Gối đỡ dao động – Hệ thống treo giảm chấn, chống rung cho các loại máy sàng, băng tải máy lắc và máy sàng hồi chuyển

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Gối đỡ dao động – Hệ thống treo giảm chấn, chống rung cho các loại máy sàng, băng tải máy lắc và máy sàng hồi chuyển

  • Áp dụng cho tất cả các loại sàng rung, máng rung và băng tải
  • Giá đỡ giảm chấn, chống rung cho sàng rung tròn và tuyến tính
  • Tay đỡ đôi chống rung, định hướng cho máng truyền rung tốc độ cao
  • Bộ tích lũy lò xo cho các máy hoạt động gần như cộng hưởng
  • Tay quay và đầu thanh đẩy cho máng xối trượt
  • Vòng bi khớp phổ dụng cho máy sàng rung hồi chuyển

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Gối đỡ dao động – Hệ thống treo giảm chấn, chống rung cho các loại máy sàng, băng tải máy lắc và máy sàng hồi chuyển

Giá treo dao động ROSTA Type AB là các thanh lắc đàn hồi không cần bảo trì để hỗ trợ hoặc treo các thiết bị rung dao động tự do với nhiều kiểu dáng và hệ thống truyền động khác nhau. Các giá treo dao động hỗ trợ các lực truyền động theo hướng vận chuyển và đảm bảo dẫn hướng tuyến tính tốt cho bộ phận dao động của máy sàng rung. Cấu trúc pantograph của giá đỡ dao động cho phép độ lệch lò xo lớn khi chịu tải, dẫn đến tần số tự nhiên thấp (xuống khoảng 2,2 Hz) và do đó hiệu quả cách nhiệt đặc biệt cao đối với cấu trúc hỗ trợ. Độ ổn định ngang tuyệt vời của giá treo dao động ROSTA ngăn cản sự lắc lư của vỏ sàng rung điển hình của giá treo lò xo xoắn ốc khi đi qua tần số cộng hưởng.

Vỏ của các sản phẩm từ ROSTA AB 15 đến AB 38 được làm từ cấu hình hợp kim nhẹ và được trang bị các mặt bích cố định bên, bao gồm các lỗ cố định cần thiết để gắn trực tiếp vào bộ phận máy của khách hàng. Giá đỡ sàng rung, sàng lắc  AB 45, AB 50 và AB 50-2 có chân sắt graphite hình cầu để bắt vít trực tiếp vào màn hình và cấu trúc giá đỡ.
 
Vỏ của các bộ phận treo cao su kép bằng nhôm định hình cho các kích thước AB 15 đến AB 45, và bằng thép hình cầu cho các kích thước AB 50 và AB 50-2.
 
Tất cả các giá treo dao động AB cũng có sẵn bằng thép không gỉ (AISI 304) và có thể hoán đổi cho nhau với các giá treo dao động AB màu xanh lam!

Bảng lựa chọn Gối đỡ dao động:

 
Hệ thống một khối Hệ thống một khối Hệ thống hai khối Hệ thống một khối
lưới sàng chuyển động tròn lưới sàng chuyển động thẳng với khung đối trọng treo lưới sàng chuyển động thẳng
  Hình ảnh Loại Mô tả
Gối đỡ cho hệ thống giao động tự do (với kích thích không cân bằng) AB
ABI
Gối đỡ dao động – lắp phổ biến.
Khả năng cách ly rung động, giảm chấn / chống rung cao và truyền lực dư thấp.
Tần số tự nhiên xấp xỉ. 2–3Hz.
9 kích thước từ 50N đến 20 000N.
 
AB-HD
ABI-HD
Gối đỡ dao động cho máng nạp liệu bằng rung và sản lượng cao nhất (Máy có công suất cao).
Tần số tự nhiên xấp xỉ. 2–4Hz.
11 kích thước từ 150N đến 60 000N
 
HS
HSI
  Gối đỡ dao động cho hệ thống treo.
Tần số tự nhiên xấp xỉ. 3–5Hz.
7 kích thước từ 150N đến 14 000N.
AB-D   Gối đỡ dao động trong thiết kế nhỏ gọn.
Tối ưu trong hệ thống hai khối như lắp khung đối trọng.
Tần số tự nhiên xấp xỉ. 3 –4,5Hz.
7 kích thước từ 500N đến 16 000N.
 

.

 
Đỡ sàng giao động theo phương thẳng đứng Treo sàng giao động
Hình ảnh Loại Mô tả
AK Khớp nối đa năng dùng để đỡ hoặc treo máy truyền động dương hoặc máy sàng dao động tự do nhằm giảm chấn, chống rung và khử lực rung dư
10 kích thước phần tử lên đến 40 000N cho mỗi AK.
AV

Khớp đơn được thiết kế đặc biệt với khối lượng cao su lớn cho sàng rung kiểu con quay lơ lửng. Gối đỡ với vít được lắp 2 bên.
5 kích thước lên đến 16 000N cho mỗi AV.

.

 
Hệ thống một khối  Hệ thống một khối Hệ thống hai khối
hệ thống «brute-force» hệ thống «natural frequency» hệ thống «fast-runner» bù phản lực
Hình ảnh Loại Mô tả
AU
AUI
Thanh truyền đơn cho chiều dài cánh tay có thể thay đổi.
Gối đỡ với vít bên phải và bên trái.
7 kích thước lên đến 5000 N.
AS-P
AS-C 

Thanh truyền đơn với khoảng cách tâm được cố định tiêu chuẩn hóa.
6 kích cỡ lên đến 2 500 N để cố định mặt bích.
6 kích thước lên đến 2 500 N để cố định trung tâm.

AD-P
AD-C
 

Thanh truyền kép với khoảng cách tâm được cố định tiêu chuẩn hóa.
6 kích thước lên đến 2 500 N để cố định mặt bích.
4 kích thước lên đến 1 600 N để cố định trung tâm.

 

AR Thanh truyền đơn và thanh truyền kép có thể điều chỉnh độ dài, kết nối các gối đỡ AR bằng ống tròn.
Các máy lắc hai khối với dòng chảy hướng kép đơn giản để thu được.
3 kích thước lên đến 1 600 N.
ST
STI

Đầu truyền động để truyền dẫn động tay quay.
Chi tiết với các vít bên phải và bên trái.
9 kích thước lên đến 27 000 N.

DO-A    Bộ tích lũy lò xo với giá trị lò xo động cao cho
Hệ thống trung chuyển chạy gần với tần số cộng hưởng.
Một bộ tích lũy lò xo bao gồm 2 phần tử DO-A.
5 kích thước với giá trị lò xo động lên đến 320 N/ mm.

Chi tiết các thông số sản phẩm xem thêm tại đây: ROSTA_Katalog_2021_EN-hi-oscillating_3

Thông số kỹ thuật và bảo hành

  • Bảo hành sản phẩm:: 24 tháng

Hướng dẫn sử dụng

Phương pháp lắp đặt giá treo dao động – hệ thống dao động tự do.

1/ Sàng rung vận chuyển phôi

 

Đối tượng Ký hiệu ĐVT Các công thức tính:
Khối lượng của máng trống và động cơ* m0 kg Tải mỗi góc 
Sản phẩm trên máng truyền* mm kg
Tổng cộng khối lượng máng rung m = m0 + mm kg
Phân bố khối lượng:  

 

 

Đầu cấp liệu % feed end %

Hành trình giao động:

Đầu xả % discharge end %
Gia tốc do trọng trường g 9.81m/s2
Tải mỗi góc đầu cấp liệu F feed end N
Tải mỗi góc đầu xả F discharge end N

Lực li tâm:

Momen làm việc của hai động cơ AM Kgcm
Hành trình giao động máng khi trống sw0 Mm
Hành trình giao động khi vận hành sw Mm
Vòng quay động cơ ns Min-1

Hệ số dao động máy:

Lực li tâm của hai động cơ Fz N
Hệ số giao động máy K  
Gia tốc máy a = K.g g

* Khi xác định trọng lượng, cần tính đến:

  1. Khớp nối cao hoặc độ dính của vật liệu rời ẩm ướt
  2. Máng vận chuyển đang chạy đầy tải
  3. Sàn sàng xếp chồng hoàn toàn với vật liệu ẩm
  4. Phân bổ trọng lượng khi có và không có vật liệu được vận chuyển
  5. Lực ly tâm không chạy qua trọng tâm (máng đầy hoặc rỗng)
  6. Xảy ra tải va đập đột ngột làm lệch số liệu
  7. Các bổ sung tiếp theo cho cấu trúc sàng (ví dụ: sàn sàng bổ sung)

2/ Cách ly rung động, giảm chấn chống rung

 

3/ Tốc độ vận chuyển vật liệu trung bình vm

 

Các yêu tố ảnh hưởng chính:

  1. Khả năng vận chuyển vật liệu
  2. Chiều cao của hàng rời
  3. Độ nghiêng của đế sàng
  4. Góc truyền động của nguồn kích thích trong dao động thẳng
  5. Vị trí của tâm trọng lực
  6. Tốc độ vật liệu trên sàng chuyển động tròn khác nhau và phụ thuộc phần lớn vào độ nghiêng của khối sàng.

 

4/ Chế độ vận hành và cộng hưởng

Khi sàng rung khởi động hoặc kết thúc chu trình làm việc, tần số tự nhiên của gối đỡ được truyền qua gối đỡ. Trong quá trình siêu nâng biên độ thu được, bốn gối đỡ cao su tạo ra mức độ giảm chấn cao, giúp giảm đáng kể biên độ rung. Sàng rung do đó sẽ dừng hoàn toàn chỉ sau một vài hành trình. Cách ly rung, giảm chấn và chống rung hiệu quả.

Các phép đo trong phòng thí nghiệm về sự phát triển điển hình của lực dư trên hệ thống sàng treo ROSTA:

Gối đỡ được cố định vào sàng rung thực hiện phần lớn các dao động. Cánh tay đòn được cố định vào cấu trúc thân đỡ hầu như vẫn đứng yên, cung cấp một lớp đệm chắc chắn và đảm bảo tần số tự nhiên thấp và do đó cách ly rung, giảm chấn tốt trên khung cơ sở.

 

5/ Căn chỉnh gối đỡ

Khung lắp đặt phải được bố trí vuông góc (90°) với khung truyền tải, với dung sai tối đa là ±1°.

 

6/ Chiều cao và chế độ lắp đặt gối đỡ ROSTA AB và ROSTA ABI

 

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.

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7/ Chiều cao và chế độ lắp đặt gối đỡ ROSTA AB-HD và ABI-HD

Bảng chị tiết chiều cao và chế độ lắp đặt của gối đỡ cho sàng rung, sàng lắc,băng chuyền hàng 1

.

Bảng chị tiết chiều cao và chế độ lắp đặt của gối đỡ cho sàng rung, sàng lắc,băng chuyền hàng

.

Bảng chị tiết chiều cao và chế độ lắp đặt của gối đỡ cho sàng rung, sàng lắc,băng chuyền hàng 2

.

8/ Chiều cao và chế độ lắp đặt gối đỡ ROSTA HS và HSI

Bảng 1 mô tả chi tiết chiều cao và chế độ lắp đặt gối đỡ rosta cho sàng rung, sàng lắc, băng tải chuyển hàng nhằm bảo vệ băng tải, bảo vệ sàng rung, bảo vệ sàng lắc

.

Bảng 2 mô tả chi tiết chiều cao và chế độ lắp đặt gối đỡ rosta cho sàng rung, sàng lắc, băng tải chuyển hàng nhằm bảo vệ băng tải, bảo vệ sàng rung, bảo vệ sàng lắc

.

Bảng 3mô tả chi tiết chiều cao và chế độ lắp đặt gối đỡ rosta cho sàng rung, sàng lắc, băng tải chuyển hàng nhằm bảo vệ băng tải, bảo vệ sàng rung, bảo vệ sàng lắc

.

9/ Chiều cao và chế độ lắp đặt gối đỡ ROSTA AB-D

Bảng mô tả chi tiết chiều cao và chế độ lắp đặt gối đỡ rosta AB-D cho sàng rung, sàng lắc, băng tải chuyển hàng nhằm bảo vệ băng tải, bảo vệ sàng rung, bảo vệ sàng lắc

.

10/ Hệ thống một khối không có bộ giảm chấn của ROSTA: tính toán

MÔ TẢ hệ thống khối lượng cho sàng lắc, sàng rung hoặc sàng vận chuyển vật liệu không có bộ giảm chấn chông rung bảo vệ cho sàng lắc, sàng rung hoặc sàng vận chuyển vật liệu :  theo tính toán

 

  Đối tượng Ký hiệu ĐVT Công thức tính
Chiều dài, trọng lượng Trọng lượng rỗng máng * m0 kg

Hệ số dao động máy:

Tổng giá trị đàn hồi của hệ thống:

Tải trên mỗi thanh truyền:

Lực gia tốc (dành cho lựa chọn ST):

Công suất ổ đĩa xấp xỉ:

Giá trị đàn hồi động trên mỗi thanh truyền:

Hệ số khả năng cộng hưởng:

Theo hệ số khả năng cộng hưởng i ≥ 0,8 hệ thống thường có tiêu đề là «máy lắc tần số tự nhiên»

Trọng lượng của vật liệu*   kg
Khối lượng của khối dao động m = m0 + mm kg
Tham số ổ đĩa Bán kính lệch tâm R mm
Hành trình sw = 2.R mm
Rpm trên máng ns min-1
Gia tốc trọng lực g 9.81 m/s2
Hệ số dao động máy K  
Gia tốc  a = K.g m/s2
Tổng giá trị đàn hồi của hệ thống ct N/mm
Tay thanh truyền Số lượng thanh truyền** z  
Tải trên thanh G N
Khoảng cách trung tâm của các gối đỡ A mm
Ổ đĩa Lực gia tốc F N
Công suất ổ đĩa xấp xỉ. P kW
Giá trị đàn hồi của máy lắc tần số tự nhiên Mômen động Mdd Nm/o
Giá trị đàn hồi động trên mỗi thanh truyền cd N/mm
Giá trị đàn hồi động trên tất cả thanh truyền z.cd N/mm
Hệ số khả năng cộng hưởng i  

* Khi xác định trọng lượng, hãy tính đến:

  1. Hệ số khớp nối cao hoặc dính vật liệu ẩm ướt
  2. Có thể có khối lượng thân máng

** Khoảng cách tối đa của thanh truyền là 1,5 mét.

 

11/ Hệ thống một khối có bộ tích lũy lò xo: tính toán

 

Tính toán tương tự hệ thống một khối không có tích lũy lò xo và bổ sung như sau:

 

Đối tượng

Ký hiệu

ĐVT

Công thức tính

Bộ tích lũy lò xo

Số lượng

zs

 

Hệ số khả năng cộng hưởng với các bộ tích lũy

Theo hệ số khả năng cộng hưởng i ≥ 0,8 hệ thống thường có tiêu đề là «máy lắc tần số tự nhiên»

Giá trị đàn hồi động trên mỗi mặt hàng

cs

N/mm

Giá trị đàn hồi động trên tất cả mặt hàng

zs.cs

N/mm

Hệ số khả năng cộng hưởng

is

 

 

12/ Hệ thống băng tải một khối: hướng dẫn lắp đặt

Khoảng cách giữa các thanh truyền Lmax:

  1. Thông thường, khoảng cách giữa các thanh truyền theo phương dọc không được quá 1,5 mét.
  2. Với máng rộng hơn 1,5 m, chúng tôi khuyên bạn nên lắp hàng thứ ba hoặc nhiều hàng thanh truyền ở mặt dưới của đế máng hoặc lắp bộ tích lũy lò xo để cải thiện độ ổn định.

Vị trí lắp đầu ổ đĩa ST

Đối với hệ thống máy lắc một khối, nên đặt vị trí đầu ổ đĩa phía trước trọng tâm của máng, theo hướng đầu xả.

 

Góc tấn β:

Góc tấn β của thanh truyền phải nằm trong khoảng từ 10° đến 30° so với đường vuông góc, tùy thuộc vào quá trình và tốc độ truyền tải. (Sự kết hợp tối ưu giữa tốc độ truyền tải nhanh và tốc độ ném vật liệu cao được đưa ra ở góc tấn β = 30°.) Hướng hoạt động của thanh truyền động phải ở 90°, tức là góc tấn của lực đẩy β tương ứng giữa 10° và 30° so với đường nằm ngang.

Góc dao động α:

Các thông số về góc và tốc độ dao động phải nằm trong khoảng cho phép.

Loại vít:

Chọn loại vít 8,8 và lắp với mômen siết chính xác.

Chiều dài ren Z:

Chiều dài ren Z ít nhất là 1,5 × kích thước ren danh nghĩa.

 

13/ Hệ thống hai khối với cân bằng khối lượng trực tiếp

 

  • Gia tốc đối đa khoảng 5 g và chiều dài máng tối đa khoảng 25 mét
  • Thanh truyền được làm từ các gối đỡ ROSTA AR, AD-P hoặc AD-C
  • Cân bằng tối ưu của các lực với m1 = m2
  • Cách tính giống như đối với một hệ thống khối lượng, có sự khác biệt sau:

Khối lượng dẫn động bao gồm khớp nối vật liệu

m1 [kg]

Khối lượng điều khiển bao gồm khớp nối vật liệu

m2 [kg]

Khối lượng dao động toàn phần

m = m1 + m2 [kg]

Giá trị đàn hồi động trên mỗi thanh truyền [N/mm]

  • Tính ct và F với khối lượng dao động toàn phần mới m
  • Đặt lực với ST tại bất kỳ điểm nào dọc theo máng, 90° so với trục của thanh truyền
  • Đối với các thanh truyền tùy chỉnh với các khoảng cách tâm A khác nhau, vui lòng liên hệ ROSTA.

 

14/ Tốc độ vận chuyển vật liệu trung bình vm

Các yếu tố ảnh hưởng chính:

  1. Chiều cao, số lượng lớn
  2. Kết cấu bề mặt sàng
  3. Góc lái và do đó góc tấn của thanh truyền
  4. Khả năng tiếp liệu phụ thuộc vào hình dạng và độ ẩm của vật liệu, ví dụ vật liệu khô, hạt mịn cần hệ số hiệu chỉnh lên đến 30%.

Theo hệ số gia tốc K> 2 và góc lắp thanh truyền là β = 30° (với đường vuông góc) thì gia tốc thẳng đứng lớn hơn 1g, do đó vật liệu bắt đầu nâng lên khỏi đáy máng = vật liệu ném.

 

15/ Tải trọng cực đại G, tốc độ ns và góc dao động α

Kích Thước
(e. g. AU 15)
Công suất tải tối đa trên mỗi rocker [N] Số vòng quay tối đa ns
[min-1] *
K < 2 K = 2 K = 3 K = 4 α±5° α±6°
15 100 75 60 50 640 480
18 200 150 120 100 600 450
27 400 300 240 200 560 42
38 800 600 500 400 530 390
45 1600 1200 1000 800 500 360
50 2500 1800 1500 1200 470 340
60 2500 1800 1500 1200 470 340

Vui lòng liên hệ ROSTA để biết các thông số máy cao hơn và các phần tử có tải trọng lớn hơn. Các vòng quay thường là ns = 300 đến 600min-1 và góc dao động α đến cực đại ± 6°.

Góc dao động α của mỗi thành phần phải nằm trong khoảng phạm vi ứng dụng cho phép (ns và α), tức là ổ lăn, thanh truyền động và bộ tích lũy lò xo.

Tính góc dao động của thanh truyền theo công thức: 

Trong đó:

  • Bán kính lệch tâm R [mm]
  • Khoảng cách tâm A [mm]
  • Góc giao động α ± [o]

 

16/ Rosta AU/AUI: Thanh kết nối

Để tạo thanh kết nối, tốt nhất nên lắp đặt có cả ren bên trái và bên phải. Cùng với các giá đỡ dao động tương ứng, khoảng cách giữa các giá đỡ (A) có thể được điều chỉnh tự do. Sử dụng một thanh ren tiêu chuẩn (với chỉ một ren bên phải) có thể tiết kiệm hơn, nhưng nó kém chính xác hơn.

Khoảng cách tâm A phải được đặt giống nhau cho tất cả các thanh kết nối và chiều dài ren Z phải ít nhất là 1,5 × M.

 

17/ ROSTA AS/ AD: Kết quả góc dao động α so với bán kính lệch tâm R

 

18/ ROSTA AR: Thanh truyền đơn, đôi và 2 chiều

Thanh đơn Thanh đôi Thanh 2 chiều

Hai thiết bị ROSTA AR được lắp lên một ống tròn. Khoảng cách tâm mong muốn được đặt trên một tấm nắn thẳng và sau đó được cố định bằng cách siết chặt kẹp. Với ba phần tử AR, độ dày thành ống được điều chỉnh theo khoảng cách tâm A.. Đối trọng có thể được sử dụng như một máng băng tải bổ sung có cùng hướng vận chuyển.

Ba yếu tố AR được gắn trong cấu hình hồi chuyển tạo ra dòng vật liệu hai chiều. Chiều dày thành ống theo kích thước của các ống nối. Luồng vận chuyển hai chiều này có thể đơn giản hóa quá trình vận chuyển và sự cân bằng khối lượng được duy trì với sự sắp xếp này.

 

19/ ROSTA AR: Lựa chọn kích thước của các ống kết nối

Loại sản phẩm Đường kính ống – ø Độ dày ống Khoảng cách trung tâm tối đa A Kết quả góc tấn tối thiểu β [°] với thanh truyền hai chiều  
AR 27 30 3 160 26.0
  • Khách hàng cung cấp các ống nối.
  • Đối với các thanh truyền đơn với AR 27 hoặc AR 38, các ống có độ dày từ 3mm đến A = 300mm.
  • Đối với các khoảng cách trung tâm A khác nhau, vui lòng liên hệ ROSTA.
4 220 19.5
5 300 14.6
AR 38 45 27.53 200 27.5
4 250 22.6
5 300 19.1
AR 45 50 5 300 23.4
8 400 18.0

 

20/ ROSTA ST/STI: Chiều dài thanh truyền động AST và bán kính lệch tâm R

Để tạo lực cân bằng, góc lệch αST của thanh truyền động không được vượt quá ± 5,7 °. Điều này tương ứng với tỷ lệ R: AST là 1:10.

Tính toán góc lệch:

  • Bán kính lệch tâm R [mm]
  • Khoảng cách tâm AST [mm]
  • Góc lệch αST ± [°]

 

21/ ROSTA DO-A: Thông số vận hành và hướng dẫn lắp đặt

Ví dụ về góc lệch DO-A (kết nối nối tiếp) Nhược điểm bộ tích lũy của
2×DO-A 45
Nhược điểm bộ tích lũy của
2×DO-A 50
R sw ns
tối đa

K
tối đa

R sw ns
tối đa

K
tối đa

±6° 15.3 30.6 360 2.2 16.4 32.8 340 2.1
±5° 12.8 25.6 500 3.6 13.6 27.2 470 3.4
±4° 10.2 20.4 740 6.2 10.9 21.8 700 6.0

Các đòn bẩy kết nối được thực hiện bởi khách hàng, giữa các gối đỡ DO-A, nằm ở 90° so với trục phần tử DO-A. Có thể lắp đặt một giằng chéo (V) nếu được yêu cầu. Các gối đỡ DO-A song song với nhau và song song với các thanh truyền; chúng được gắn lại ở vị trí ngã ba tại một điểm cứng trên băng tải rung và khung đế

 

22/ ROSTA AK – Hướng dẫn lắp đặt bộ sàng vận chuyển vật liệu dạng hồi chuyển

  • Sắp xếp hai phần tử bên trong lệch nhau 90° (tải trọng xoắn đều).
  • Kết nối AK, điều chỉnh độ cao lắp đặt. Ngay cả khi các sàng ở một góc, chiều cao cột «X» phải giống hệt nhau.
  • Giá đỡ góc loại WS có thể được sử dụng đến AK 50
  • Để tránh nghiêng và lật không mong muốn, trọng tâm của khối sàng «S» được đặt trên hoặc trong cột khớp chung.

Sàng quay hồi chuyển treo và giao động tự do:

Sàng quay hồi chuyển đứng với ổ trục tay quay liên tục:

 

ROSTA AK: Tính toán cho bộ sàng hồi chuyển: Loại máy sàng hồi chuyển đứng

Mô tả Ký hiệu ĐVT Công thức tính
Tổng khối giao động (bao gồm cả vật liệu) m kg

Góc giao động:

Tải trên mỗi cột:

Bán kính lệch tâm R Mm
Chiều dài của cột hỗ trợ X mm
Góc dao động (ngoài R và X) α± o
Số lượng cột hỗ trợ z chiếc
Tải trên mỗi cột G N

 

23/ ROSTA AV: Hướng dẫn lắp đặt gối đỡ cho bộ sàng hồi chuyển trên các loại máy sàng rung, sàng lắc, máng chuyển vật liệu.

  1. Với phiên bản ROSTA có sử dụng đầy đủ cả gối đỡ ở 2 bên phải và bên trái, kỹ thuật viên có thể dễ dàng điều chỉnh độ dài X của thanh treo. X phải giống hệt nhau cho tất cả các “tăng đơ” và các giới hạn góc đã chỉ định phải được đảm bảo sẽ giúp gối đỡ hoạt động tốt! nhất trong việc truyền lực, định hướng, giảm chấn và chống rung. 
  2. Việc lắp đặt hai gối đỡ giảm chấn chống rung có định hướng ROSTA cấu hình theo chiều ngang sẽ giúp bộ sàng hồi chuyển di chuyển theo chuyển động tròn.
  3. Việc lắp đặt hai gối đỡ giảm chấn chống rung có định hướng ROSTA trong cùng một cấu hình sẽ di chuyển bộ sàng hồi chuyển theo chuyển động hình elip.
  4. Để tránh sàng rung, sàng lắc bị nghiêng hoặc xoay không mong muốn, trọng tâm của khối sàng rung / sàng lắc «S» cần được đặt ở cùng mức hoặc thấp hơn một chút so với phần đính kèm của thanh treo sẽ giúp thiết bị hoạt động ổn định nhờ việc giảm chấn, chống rung của các gối đỡ được phát huy tốt nhất.
  5. Vui lòng tham khảo đội ngũ của BSTRONG trong việc lựa chọn các phần tử ROSTA AV cho bộ sàng quay đứng.

 

ROSTA AV: Tính toán cho máy sàng hồi chuyển

Mô tả Ký hiệu Đơn vị tính Công thức tính
Tổng khối lượng dao động (bao gồm vật liệu) m kg

Góc dao động:

Tải trên mỗi thanh treo:

Bán kính lệch tâm (2) R mm
Chiều dài thanh treo X mm
Góc dao động (ngoài R và X), không được vượt quá ±2° (2) β+ °
Số lượng thanh treo z chiếc
Tải trên mỗi thanh treo G N

 

VÍ DỤ THỰC TẾ ỨNG DỤNG SẢN PHẨM TRÊN CÁC THIẾT BỊ

 

ROSTA AB-D ứng dụng giảm chấn chống, rung trên máy nghiền đá, băng tải máy nghiền đá, giảm chấn chống rung trên máng vận chuyển vật liệu

ROSTA AB-D ứng dụng giảm chấn chống, rung trên máy nghiền đá, băng tải máy nghiền đá

ROSTA HS ỨNG DỤNG TRÊN GIẢM CHẤN CHỐNG RUNG CHO SÀNG RUNG CÔNG NGHIỆP NẶNG HAVER NGÀNH KHAI MỎ, XI MĂNG, PHÂN BÓN

ROSTA HS Ứng dụng trên sàng rung HAVER cho ngành công nghiệp nặng giúp giảm chấn, chống / triệt tiêu rung động máy ảnh hưởng đến khung kết cấu hoặc nền nhà.

ROSTA AK ỨNG DỤNG GIẢM CHẤN, CHỐNG RUNG, KHỬ ỒN TRÊN CÁC SÀNG RUNG, SÀNG LẮC PHÂN LOẠI SẢN PHẨM

ROSTA AK Ứng dụng giảm chấn chống rung trên các sàng rung, sàng lắc phân loại sản phẩm. Rosta giúp máy hoạt động ổn định, triệt tiêu rung động dư thừa và bảo vệ kết cấu tổng thể máy

ROSTA AD ỨNG DỤNG TRÊN CÁC SÀNG RUNG TÁCH NƯỚC, MÁNG VẬN CHUYỂNTRONG THỰC PHẨM

ROSTA AD ỨNG DỤNG TRIỆT TIÊU RUNG ĐỘNG TRUYỀN TỪ MÁY RA HỆ THỐNG KHUNG HOẶC NỀN NHÀ TRÊN CÁC SÀNG RUNG TÁCH NƯỚC TRONG NGÀNH THỰC PHẨM, GIẢM CHẤN CHỐNG RUNG TRÊN MÁNG VẬN CHUYỂN TRONG THỰC PHẨM

ROSTA ỨNG DỤNG GIẢM CHẤN CHỐNG RUNG TRÊN CÁC MÁY CƠ KHÍ, MÁNG VẬN CHUYỂN VẬT LIỆU / SẢN PHẨM  CÓ ĐỊNH HƯỚNG

ROSTA ỨNG DỤNG GIẢM CHẤN CHỐNG RUNG TRÊN CÁC MÁY CƠ KHÍ, MÁY NÔNG NGHIỆP HOẶC GIẢM CHẤN / CHỐNG RUNG CHO CÁC MÁNG VẬN CHUYỂN CÓ ĐỊNH HƯỚNG

Các video ứng dụng thực tế của sản phẩm

https://youtu.be/5jt1bU_cKIE

Gối đỡ giảm chấn, chống rung ( gối đỡ dao động) ROSTA giúp cải tiến sàng lắc trên băng chuyền hồi nhanh vận chuyển sản phẩm giúp giảm chấn khi đổ sản phẩm, chống rung khử ồn trong quá trình hoạt động của sản phẩm

 

Video ứng dụng thực tế gối đỡ giảm chấn , chống rung ( hay còn gọi là hệ thống treo giảm chấn / gối đỡ dao động) ROSTA AS giúp giảm chấn, chống rung lây truyền ra khung kết cấu trên sàng rung phân loại sản phẩm nông nghiệp

 

Ứng dụng thực tế gối đỡ giảm chấn/ chống rung ( hệ thống treo / gối đỡ dao động) ROSTA ST trên sàng rung tách nước và vận chuyển sản phẩm nông nghiệp giúp định hướng, tăng sự ổn định và triệt tiêu rung dộng (giảm chấn chống rung), và khử ồn

 

Video thực tế ứng dụng hệ thống treo / gối đỡ giảm chấn chống rung có định hướng ROSTA AV trên máng rung vận chuyển phế thải vật liệu xây dựng giúp giảm chấn tại vị trí đổ phế thải, chống rung và giảm bớt tiếng ồn khi máy hoạt động.

 

Video thực tế ứng dụng hệ thống treo / gối đỡ giảm chấn chống rung có định hướng ROSTA  AD trên máy phân loại và tách vỏ sản phẩm giúp thiết bị hoạt động ổn định hơn, định hướng di chuyển. Gối đỡ giảm chấn cũng giúp khử ồn, giảm chấn tại vị trí đổ tải

https://youtu.be/5jt1bU_cKIE

Video ứng dụng thực tế gối đỡ dao động – Hệ thống treo giảm chấn, chống rung ROSTA AV trên hệ thống băng truyền hồi nhanh vận chuyển vật liệu giúp giảm chấn tại vị trí đô tải, chống rung dư cho toàn bộ hệ thống khung két cấu máy khi hoạt động và định hướng chính xác hơn cho hệ cơ cấu, từ đó giảm chi phí cho vận hành, bảo trì và năng lượng.

Video

Đang cập nhập

Mô tả

Chi tiết các thông số sản phẩm xem thêm tại đây: ROSTA_Katalog_2021_EN-hi-oscillating_3

BÌNH LUẬN

2.72 trên 5 dựa trên 123 đánh giá của khách hàng

(Dựa trên 125 đánh giá)

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  4. Beirut, Lebanon
    CNN

    A deadly Israeli airstrike on Hezbollah’s stronghold in southern Beirut on Friday has left over a dozen people dead, including a high-ranking Hezbollah commander, sharply escalating the conflict between the two sides and raising fears of all-out war.
    [url=][/url]
    Senior Hezbollah commander Ibrahim Aqil, part of Hezbollah’s elite Radwan Force, was assassinated along with “about 10” other commanders, Israel Defense Forces (IDF) spokesperson Daniel Hagari said, accusing them of planning to raid and occupy communities in Galilee in northern Israel.

    Hezbollah confirmed Aqil’s death on Friday, saying he was killed “following a treacherous Israeli assassination operation on 09/20/2024 in the southern suburbs of Beirut.”

    According to Hagari, the targeted commanders were “underground underneath a residential building in the heart of the Dahiyeh neighborhood, using civilians as a human shield” at the time of the attack.

    Lebanon’s health ministry said at least 14 people were killed and 66 others injured in the airstrike, which leveled a multistory building in a densely populated neighborhood.

    Aqil had a $7 million bounty on his head from the United States for his suspected involvement in the 1983 strike on the US Embassy in Beirut, which killed 63 people, as well as the bombing of the Beirut Marine barracks, which killed 241 US personnel later that year.

    A CNN team on the ground in Beirut saw a frantic effort to rescue people from underneath the rubble and rush the wounded to hospital. Witnesses said nearby buildings shook for nearly half an hour after the strike, which the IDF said it had carried out at around 4 p.m. local time.

    A week of surprise attacks
    Friday’s strike marked the fourth consecutive day of surprise attacks on Beirut and other sites across the country, even as Israeli forces continued deadly strikes and operations in Gaza and the occupied West Bank.

    The first major attack against Hezbollah this week came Tuesday afternoon when pagers belonging to the militant groups’ members exploded near-simultaneously. The pagers had been used by Hezbollah to communicate after the group’s leader, Hassan Nasrallah, encouraged members to switch to low-tech devices to prevent more of them from being assassinated.

    Almost exactly 24 hours later, Lebanon was rocked by a second wave of explosions, after Hezbollah walkie-talkies detonated in Beirut and the south of the country on Wednesday.

    At least 37 people were killed, including some children, and more than 3,000 were injured in the twin attacks.

    In a United Nations Security Council meeting on Friday, UN human rights chief Volker Turk on Friday warned that the detonation of communication devices could violate international human rights law.

    Lebanese Foreign Minister Abdallah Bou Habib and Israeli Ambassador to the UN Danny Danon clashed at the heated meeting, with Bou Habib calling on the council to condemn Israel’s actions and Danon slamming the Lebanese envoy for not mentioning Hezbollah.

  5. Beirut, Lebanon
    CNN

    A deadly Israeli airstrike on Hezbollah’s stronghold in southern Beirut on Friday has left over a dozen people dead, including a high-ranking Hezbollah commander, sharply escalating the conflict between the two sides and raising fears of all-out war.
    [url=][/url]
    Senior Hezbollah commander Ibrahim Aqil, part of Hezbollah’s elite Radwan Force, was assassinated along with “about 10” other commanders, Israel Defense Forces (IDF) spokesperson Daniel Hagari said, accusing them of planning to raid and occupy communities in Galilee in northern Israel.

    Hezbollah confirmed Aqil’s death on Friday, saying he was killed “following a treacherous Israeli assassination operation on 09/20/2024 in the southern suburbs of Beirut.”

    According to Hagari, the targeted commanders were “underground underneath a residential building in the heart of the Dahiyeh neighborhood, using civilians as a human shield” at the time of the attack.

    Lebanon’s health ministry said at least 14 people were killed and 66 others injured in the airstrike, which leveled a multistory building in a densely populated neighborhood.

    Aqil had a $7 million bounty on his head from the United States for his suspected involvement in the 1983 strike on the US Embassy in Beirut, which killed 63 people, as well as the bombing of the Beirut Marine barracks, which killed 241 US personnel later that year.

    A CNN team on the ground in Beirut saw a frantic effort to rescue people from underneath the rubble and rush the wounded to hospital. Witnesses said nearby buildings shook for nearly half an hour after the strike, which the IDF said it had carried out at around 4 p.m. local time.

    A week of surprise attacks
    Friday’s strike marked the fourth consecutive day of surprise attacks on Beirut and other sites across the country, even as Israeli forces continued deadly strikes and operations in Gaza and the occupied West Bank.

    The first major attack against Hezbollah this week came Tuesday afternoon when pagers belonging to the militant groups’ members exploded near-simultaneously. The pagers had been used by Hezbollah to communicate after the group’s leader, Hassan Nasrallah, encouraged members to switch to low-tech devices to prevent more of them from being assassinated.

    Almost exactly 24 hours later, Lebanon was rocked by a second wave of explosions, after Hezbollah walkie-talkies detonated in Beirut and the south of the country on Wednesday.

    At least 37 people were killed, including some children, and more than 3,000 were injured in the twin attacks.

    In a United Nations Security Council meeting on Friday, UN human rights chief Volker Turk on Friday warned that the detonation of communication devices could violate international human rights law.

    Lebanese Foreign Minister Abdallah Bou Habib and Israeli Ambassador to the UN Danny Danon clashed at the heated meeting, with Bou Habib calling on the council to condemn Israel’s actions and Danon slamming the Lebanese envoy for not mentioning Hezbollah.

  6. Ukrainian President Volodymyr Zelensky will meet US President Joe Biden and Vice President Kamala Harris in Washington on Thursday. Leon Neal/Getty Images
    CNN

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    As terrifying events pile up, from the wars in Ukraine and the Middle East to deadly extreme weather, it’s hard to escape the sense we live in a time of rolling existential crises — often a hair’s breadth from global disaster.

    People are increasingly beginning to wonder whether their views on preppers have been misconceived, Mills said. “There is a bigger question floating in the air, which is: Are preppers crazy, or is everyone else?”
    Killjoy has seen a huge change over the last five years in people’s openness to prepping. Those who used to make fun of her for her “go bag” are now asking for advice.

    It’s not necessarily the start of a prepping boom, she said. “I think it is about more and more people adopting preparedness and prepper things into a normal life.”

    Evidence already points this way. Americans stockpiled goods in advance of Trump’s tariffs and online sales of contraceptives skyrocketed in the wake of his election, amid concerns he would reduce access. Shows like “The Walking Dead,” meanwhile, have thrust the idea of prepping into popular culture and big box stores now sell prepping equipment and meal kits.

    People are hungry to learn about preparedness, said Shonkwiler. “They have the understanding that the world as we knew it, and counted on it, is beginning to cease to be. … What we need to be doing now is figuring out how we can survive in the world that we’ve created.”

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