All kinds of surface damages in the operation of conveyor belt have many adverse effects on the safe operation of conveyor belt. In order to find out the crux of the problem, after a long time of on-site analysis, the causes of conveyor belt damage are as follows:

　　(1)給煤機(jī)料斗太直，無緩沖。大塊煤矸石或煤炭直接撞擊輸送帶，沖擊力特別大，造成輸送帶表面損壞。

　　(1) the hopper of coal feeder is too straight without buffer. The large gangue or coal directly impacts the conveyor belt, which causes the surface damage of the conveyor belt.

　　(2)輸送機(jī)司機(jī)、檢驗(yàn)員意識(shí)差。如果托輥使用時(shí)間過長，沒有及時(shí)更換，中間的托輥就會(huì)磨損，傳送帶也會(huì)損壞。

　　(2) the safety awareness of the conveyor driver and inspector is poor. If the idler is used for a long time and is not replaced in time, the idler in the middle will be worn and the conveyor belt will be damaged.

　　(3)低托輥支座稀疏，承載過大。當(dāng)輸送帶的運(yùn)煤車通過時(shí)，它會(huì)在兩個(gè)托輥之間凹陷，導(dǎo)致托輥彎曲，破壞輸送帶。

　　(3) the support of low idler is sparse and the load is too large. When the coal truck of the conveyor belt passes through, it will sink between the two idlers, resulting in the bending of the idlers and damaging the conveyor belt.

　　(4)在操作過程中,由于不正確的關(guān)節(jié)或不當(dāng)?shù)膽袧h,傳送帶將傾向于機(jī)架的一側(cè),可以撓的吊架或架,這可能會(huì)導(dǎo)致當(dāng)?shù)剌斔蛶p或損壞,甚大的凹槽,將縮短輸送帶的使用壽命。傳送帶上的邊緣刮擦大多是由于跑偏造成的。

　　(4) in the process of operation, due to incorrect joints or improper lazy people, the conveyor belt will tend to one side of the rack, which can flex the hanger or rack, which may cause wear or damage to the local conveyor belt, or even large grooves, which will shorten the service life of the conveyor belt. The edge scraping on the conveyor belt is mostly caused by deviation.

　　(5)在裝載點(diǎn)，輸送帶被尖利的物料刺穿，造成輸送帶損壞。

　　(5) at the loading point, the conveyor belt is punctured by sharp materials, causing damage to the conveyor belt.

　　(6)兩個(gè)帶式輸送機(jī)再次重疊，沒有緩沖倉，大塊的煤和混凝土直接撞擊帶式輸送機(jī)，會(huì)對(duì)帶式輸送機(jī)造成傷害。

　　(6) the two belt conveyors are overlapped again, there is no buffer bin, and the large coal and concrete directly impact the belt conveyor, which will cause damage to the belt conveyor.

　　(7)煤矸石過大，碾碎輥框或輥框掉落，刮傷輸送帶。

　　(7) if the gangue is too large, the crushing roll frame or roll frame will fall off and the conveyor belt will be scratched.

　　(8)雷管針絲和吊在架上的鐵絲會(huì)撕裂輸送帶。

　　(8) the detonator needle wire and the wire hanging on the frame will tear the conveyor belt.

　　(9)大型物料或煤炭夾在漏斗擋板導(dǎo)槽或回程部分托輥支架與輸送帶之間，可能劃傷輸送帶。

　　(9) if large materials or coal are sandwiched between the guide groove of the funnel baffle or the idler bracket of the return part and the conveyor belt, the conveyor belt may be scratched.

　　(10)煤矸石或金屬物體附著在料斗和擋板上，或輸送帶在返回部分的滾筒框與輸送帶之間損壞。

　　(10) the gangue or metal object is attached to the hopper and baffle, or the conveyor belt is damaged between the roller frame of the return part and the conveyor belt.

　　(11)輸送帶頭部清洗器刮擦輸送帶表面的金屬或其它雜物，對(duì)輸送帶造成損壞。

　　(11) the cleaner at the head of the conveyor belt scrapes the metal or other sundries on the surface of the conveyor belt, causing damage to the conveyor belt.

　　(12)小車張緊容易掉下，導(dǎo)致皮帶撕裂。

　　(12) the tension of the trolley is easy to fall, resulting in the belt tearing.

　　(13)由于加工質(zhì)量差或維修保養(yǎng)管理跟不上輥筒，密封不嚴(yán)密，軸承損壞，軸承變成煤塵或水，加油不及時(shí)。在中間，必須克服更大的阻力，而且惰輪不靈活。這樣，托輥的轉(zhuǎn)速就落后于輸送帶的轉(zhuǎn)速，導(dǎo)致輸送帶的過度磨損和損壞。

　　(13) due to poor processing quality or maintenance management can not keep up with the roller, the seal is not tight, the bearing is damaged, the bearing becomes coal dust or water, and the oil filling is not timely. In the middle, greater resistance has to be overcome and the idler is not flexible. In this way, the speed of the idler is behind the speed of the conveyor belt, resulting in excessive wear and damage of the conveyor belt.

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