In order to minimize the wear and tear of the feeding belt, the structure design of the feeding belt should satisfy the following conditions:
A) The feeding and conveyor belts operate in the same direction. In the process of feeding, the material moves at almost the same speed as the delivery belt.
B) The equivalent free falling height of the material on the delivery belt is less than 1 meter, so that the impact force on the delivery belt is as small as possible.
C) The feeding chute is equipped with a belt sieve to make the fine material fall on the delivery belt first and provide buffer for the large material.
(d) Design reasonable chutes and guide chutes so that materials can continuously fall in the center of the delivery belt;
f)進(jìn)料段應(yīng)堅(jiān)持程度或傾斜不超越8度,進(jìn)料段應(yīng)裝置緩沖輥或?qū)Σ圯伡用堋?/div>
F) The feeding section should be adhered to or inclined not exceeding 8 degrees, and the feeding section should be equipped with buffer roll or groove roll encryption.
另外,溜槽和導(dǎo)向槽應(yīng)固定結(jié)實(shí),使其正確地靠在保送帶上,導(dǎo)向底部不能離保送帶太近。
In addition, chutes and guide grooves should be fixed and firm, so that they can be positioned correctly on the delivery belt, and the bottom of the guide should not be too close to the delivery belt.
換向滾筒與保送帶磨損
Wear of reversing drum and delivery belt
倒轉(zhuǎn)滾筒位于保送機(jī)尾部,保送帶隨倒轉(zhuǎn)滾筒一同旋轉(zhuǎn),使下保送帶成為上保送帶停止物料保送。
The reverse drum is located at the tail of the conveyor. The conveyor belt rotates with the reverse drum, so that the lower conveyor belt becomes the upper conveyor belt and stops material delivery.
維護(hù)措施
Maintenance measures
(a)在換向鼓外表左近裝置刮刀板。刮料板與刮料板整體焊接。刮料板用螺栓固定在保送架上,刮料板與滾筒傾斜一定角度,以增加刮料才能。
(a) A scraper plate is installed near and left on the outer surface of the reversing drum. The scraper plate and scraper plate are welded as a whole. The scraper plate is fixed on the guaranteed shelf with bolts. The scraper plate and the drum are inclined at a certain angle to increase the scraper ability.
b)在倒轉(zhuǎn)鼓前部裝置V型打掃器(用螺栓與機(jī)架銜接),打掃器與保送帶接觸端裝置橡膠條,減少皮帶磨損。其構(gòu)造如下圖所示:
B) A V-type sweeper is installed at the front of the inverted drum (connecting the bolt with the frame), and a rubber strip is installed at the contact end of the sweeper and the delivery belt to reduce belt wear. Its structure is shown in the following figure:
此外,為處理倒轉(zhuǎn)鼓前無支撐段漏料的問題,也可在無支撐段裝置擋板,以減少漏料。
In addition, in order to deal with the problem of material leakage in the unsupported section before the inverted drum, baffles can also be installed in the unsupported section to reduce material leakage.
皮帶跑偏形成的部分磨損
Partial wear due to belt deviation
保送帶跑偏是保送帶常見毛病,主要是保送帶運(yùn)轉(zhuǎn)時(shí),保送帶線偏離保送帶縱向線。
Escort belt deviation is a common problem of the escort belt, mainly when the escort belt is running, the center line of the escort belt deviates from the longitudinal center line of the escort belt.
維護(hù)措施
Maintenance measures
(a)頭尾鼓不平行,呈現(xiàn)跑緊跑不松現(xiàn)象。
(a) Head and tail drums are not parallel, showing the phenomenon of running fast and not loose.
假如整個(gè)保送機(jī)的線有偏向,則需求重新校準(zhǔn)線;假如只要細(xì)微偏向,則能夠擰緊軸承座。但這種辦法只能調(diào)整較小的偏移量。關(guān)于較大的偏移量,可將尾鼓裝置在挪動(dòng)小車上(見下圖),并可調(diào)整小車以糾正偏向。
If the center line of the whole delivery machine is biased, the center line needs to be recalibrated; if only slightly biased, the bearing seat can be tightened. But this method can only adjust the smaller offset. For larger offset, the tail drum can be installed on the moving car (see figure below), and the car can be adjusted to correct the deviation.
b)由于保送帶自身彎曲不直或接頭不正確,招致保送帶負(fù)載不平均,形成跑偏。保送帶應(yīng)切割、重新粘合或釘牢。
B) Due to the incorrect bending of the belt itself or incorrect joints, the load of the belt is uneven, resulting in deviation. The belts should be cut, re-bonded or pinned.
c)托輥組軸線與保送帶線不垂直,形成保送帶運(yùn)轉(zhuǎn)后不向前運(yùn)轉(zhuǎn),即保送帶向后運(yùn)轉(zhuǎn)(與保送帶方向相反)。假如調(diào)整辦法是偏離哪一側(cè),則哪一側(cè)的托輥將偏離保送帶行進(jìn)方向24度(見下圖),普通狀況下,應(yīng)調(diào)整幾個(gè)托輥以糾正偏向。
C) The axis of the supporting roller group is not perpendicular to the center line of the belt, forming that the belt does not run forward after running, that is, the belt runs backward (opposite to the direction of the belt). If the adjustment method is to deviate from which side, then which side of the idler will deviate from the direction of the delivery belt 2 to 4 degrees (see figure below). Under normal conditions, several idlers should be adjusted to correct the deviation.
惰輪和傳送帶之間的磨損
Wear between idler wheel and conveyor belt
維護(hù)措施
Maintenance measures
(a),確保整個(gè)保送機(jī)處于線上;其次,兩側(cè)傾斜托輥與中間程度托輥具有相同的傾斜角度。一切中間托輥均在同一程度面上,使一切托輥與保送帶接觸良好,以保證各托輥受力平均。
(a) Firstly, ensure that the whole delivery machine is on the central line; secondly, the inclined idlers on both sides have the same inclination angle as the intermediate idlers. All intermediate idlers are on the same level, so that all idlers are in good contact with the belt to ensure the average force of each idler.
b)盡量減少運(yùn)用調(diào)心輥。
B) Minimize the use of aligning rollers.
c)增強(qiáng)托輥的日常維護(hù),及時(shí)改換損壞的托輥。
C) Enhance the daily maintenance of idlers and replace damaged idlers in time.
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