CN109896250B - Electronic deviation prevention device for raw coal transportation conveying belt - Google Patents

Electronic deviation prevention device for raw coal transportation conveying belt Download PDF

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Publication number
CN109896250B
CN109896250B CN201910224619.3A CN201910224619A CN109896250B CN 109896250 B CN109896250 B CN 109896250B CN 201910224619 A CN201910224619 A CN 201910224619A CN 109896250 B CN109896250 B CN 109896250B
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CN
China
Prior art keywords
conveying belt
tank body
heat
raw coal
fixedly connected
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Expired - Fee Related
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CN201910224619.3A
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Chinese (zh)
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CN109896250A (en
Inventor
曹淑良
张宝华
郭玉成
安增艳
曹勇
黄传海
马涛
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Shandong Huaheng Mining Co ltd
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Shandong Huaheng Mining Co ltd
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Priority to CN201910224619.3A priority Critical patent/CN109896250B/en
Publication of CN109896250A publication Critical patent/CN109896250A/en
Application granted granted Critical
Publication of CN109896250B publication Critical patent/CN109896250B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an electronic deviation preventing device for a raw coal conveying belt, which comprises a transmission roller and a conveying belt sleeved on the surface of the transmission roller, wherein a flat plate is arranged below the transmission roller, and two ends of the transmission roller are rotatably connected with supporting rods through bearings. Has the advantages that: after the conveying belt deviates, the edge of the conveying belt can synchronously rotate by utilizing the friction force between the conveying belt and the rotating disc, the rotating shaft and the dynamic friction disc, the dynamic friction disc and the static friction disc relatively rotate to generate a large amount of heat and transmit the heat to evaporated liquid through the heat conduction column, the piston is jacked up through the air guide pipe after the evaporated liquid is evaporated and vaporized, the piston rod jacks up one end of the driving rod, the friction force on one side of the conveying belt deviation is reduced, the friction force on the other side of the conveying belt is increased, automatic correction can be completed, the temperature of the evaporated liquid is reduced after heat exchange between the heat conduction block and outside air, the next correcting operation is waited, the automation degree is high.

Description

Electronic deviation prevention device for raw coal transportation conveying belt
Technical Field
The invention relates to the technical field of deviation prevention of conveying belts, in particular to an electronic deviation prevention device for a raw coal conveying belt.
Background
In coal mining, a conveying belt is usually used for conveying raw coal, but in actual use, the conveying belt is easy to deviate. The problems of system fault shutdown influencing the production operation efficiency, abnormal damage of main parts of equipment, potential safety hazard easily formed, environmental pollution and the like are caused. The root causes of the deviation of the conveyer belt of the conveyer are as follows: the resultant force of the external force applied to the conveyer belt in the width direction of the conveyer belt is not zero or the tensile stress perpendicular to the width direction of the conveyer belt is not uniform. Because the factors causing the deviation of the conveying belt are many, the deviation rule of the conveying belt is concluded from the aspects of design, manufacture, installation and debugging, use, maintenance and the like of the conveyor: "run tight and not run loose", "run high and not run low", and "run back and not run front". I.e. if the tightness is different on both sides of the conveyor belt. The conveyor belt moves to the tight side; if the heights of the two sides of the conveying belt are different, the conveying belt moves to the higher side; if the idler supports, etc., are not mounted in a cross-section perpendicular to the direction of belt travel, but rather are forward and rearward (in the direction of belt travel), the belt will move toward the rearward end.
The problem is solved by the modes of arranging a forward tilting carrier roller, arranging baffle rollers on two sides of a conveying belt, manually adjusting an adjusting screw rod of a head and a tail wheel and the like in the prior art, the effect is not ideal, and the intelligentization is insufficient.
In order to solve the problems, an electronic deviation preventing device for a raw coal transportation conveying belt is provided.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an electronic deviation preventing device for a raw coal transportation conveying belt.
In order to achieve the purpose, the invention adopts the following technical scheme: an electronic deviation preventing device for a raw coal transportation conveying belt comprises a transmission roller and a conveying belt sleeved on the surface of the transmission roller, wherein a flat plate is arranged below the transmission roller, two ends of the transmission roller are rotatably connected with supporting rods by using bearings, supporting side plates are fixedly connected to the upper end face of the flat plate and two ends of the transmission roller, the supporting side plates are provided with movable grooves in sliding connection with the supporting rods on the same side, a driving rod is rotatably connected to one side of the transmission roller by using a middle shaft, the two supporting rods and the driving rod are in pin joint with each other, the transmission roller, the supporting rods, the connecting rod and the driving rod form a parallelogram mechanism, and induction deviation preventing mechanisms are symmetrically arranged at two ends of the conveying belt;
the induction anti-deviation mechanism comprises a U-shaped block fixedly connected with a supporting side plate, the opening of the U-shaped block is arranged to deviate from the supporting side plate, a tank body is arranged under the U-shaped block, the upper inner wall and the lower inner wall of the U-shaped block are rotatably connected with a rotating shaft, a rotating disk with two sides sunken inwards is fixedly sleeved on the rotating shaft in the U-shaped block, the rotating disk and a conveying belt are positioned on the same plane, the lower end of the rotating shaft penetrates through the U-shaped block and the tank body and is fixedly connected with a dynamic friction disk, the inner bottom wall of the tank body is fixedly connected with a heat conduction column, the upper end of the heat conduction column is fixedly connected with a static friction disk which is in contact with the dynamic friction disk, the tank body is filled with evaporation liquid which is immersed in the heat conduction column, the upper end surface of a flat plate is fixedly connected with a vertical plate, the side face of one side of the piston is fixedly connected with a piston rod, one end, far away from the piston, of the piston rod penetrates through the cylinder barrel and is rotatably connected with one end of the driving rod, the side wall of the upper end of the tank body is connected with an air guide pipe, and one end, far away from the tank body, of the air guide pipe is communicated with the inner wall of the lower end of the cylinder barrel.
In the electronic deviation-preventing device for the raw coal transportation conveying belt, the upper end face of the tank body is in airtight threaded connection with the sealing cover, the lower end of the tank body is communicated with the drain pipe, and the drain pipe is provided with the first shut-off valve.
In the electronic deviation-preventing device for the raw coal transportation conveying belt, the air guide pipe is provided with a second shut-off valve.
In the electronic deviation preventing device for the raw coal transportation conveying belt, the evaporation liquid is one of butyl acetate, ether and pentane.
In the electronic deviation prevention device for the raw coal transportation conveying belt, the tank body is provided with a plurality of heat conduction blocks in rectangular arrangement in a penetrating manner, and the heat conduction blocks are embedded in the tank body in a sealing manner.
In the electronic deviation prevention device for the raw coal transportation conveyer belt, the heat conduction block is made of one of copper, copper alloy and graphite with high heat conductivity coefficient.
Compared with the prior art, the electronic deviation preventing device for the raw coal transportation conveying belt has the advantages that:
after the conveying belt deviates, the edge of the conveying belt can synchronously rotate by utilizing the friction force between the conveying belt and the rotating disc, the rotating shaft and the dynamic friction disc, the dynamic friction disc and the static friction disc relatively rotate to generate a large amount of heat and transmit the heat to evaporated liquid through the heat conduction column, the piston is jacked up through the air guide pipe after the evaporated liquid is evaporated and vaporized, the piston rod jacks up one end of the driving rod, the friction force on one side of the conveying belt deviation is reduced, the friction force on the other side of the conveying belt is increased, automatic correction can be completed, the temperature of the evaporated liquid is reduced after heat exchange between the heat conduction block and outside air, the next correcting operation is waited, the automation degree is high.
Drawings
Fig. 1 is a schematic top view of an electronic deviation preventing device for a raw coal transportation conveying belt according to the present invention;
FIG. 2 is a front perspective view of an electronic deviation preventing device for a raw coal transportation conveying belt according to the present invention;
FIG. 3 is a schematic structural diagram of a tank side surface of an electronic deviation preventing device for a raw coal transportation conveying belt according to the present invention;
FIG. 4 is an enlarged schematic view of FIG. 1 at A;
fig. 5 is a rough schematic diagram of the electronic deviation preventing device for the raw coal transportation conveying belt provided by the invention after the conveying belt is adjusted on the left side of deviation.
In the figure: the device comprises a flat plate 1, a transmission roller 2, a conveyer belt 3, a support rod 4, a support side plate 5, a movable groove 6, a connecting rod 7, a center shaft 8, a driving rod 9, an air guide pipe 10, a rotating disc 11, a rotating shaft 12, a U-shaped block 13, a tank body 14, a dynamic friction disc 15, a static friction disc 16, a heat conduction column 17, a flow discharge pipe 18, a piston rod 19, a piston 20, a cylinder barrel 21, a spring 22, a vertical plate 23 and a heat conduction block 24.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
In the present invention, unless otherwise specifically stated or limited, the terms "cover", "fitted", "attached", "fixed", "distributed", and the like are to be understood in a broad sense, and may be, for example, fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1-5, an electronic anti-deviation device for a raw coal transportation conveyor belt comprises a transmission roller 2 and a conveyor belt 3 sleeved on the surface of the transmission roller 2, a flat plate 1 is arranged below the transmission roller 2, two ends of the transmission roller 2 are rotatably connected with supporting rods 4 by bearings, two ends of the upper end surface of the flat plate 1 and positioned on the transmission roller 2 are fixedly connected with supporting side plates 5, the supporting side plates 5 are provided with movable grooves 6 which are slidably connected with the supporting rods 4 positioned on the same side, one side of the upper end surface of the flat plate 1 and positioned on the transmission roller 2 is rotatably connected with a driving rod 9 by a middle shaft 8, the two supporting rods 4 and the driving rod 9 are in pin joint with a connecting rod 7, the transmission roller 2, the supporting rods 4, the connecting rod 7 and the driving rod 9 form a parallelogram mechanism together, and two ends of the conveyor;
the induction deviation-preventing mechanism comprises a U-shaped block 13 fixedly connected with a supporting side plate 5, the opening of the U-shaped block 13 is arranged to deviate from the supporting side plate 5, a tank body 14 is arranged under the U-shaped block 13, the upper inner wall and the lower inner wall of the U-shaped block 13 are rotatably connected with a rotating shaft 12, a rotating disc 11 with two sides sunken inwards is fixedly sleeved on the rotating shaft 12 in the U-shaped block 13, the rotating disc 11 and a conveying belt 3 are positioned on the same plane, the lower end of the rotating shaft 12 penetrates through the U-shaped block 13 and the tank body 14 and is fixedly connected with a dynamic friction disc 15, the inner bottom wall of the tank body 14 is fixedly connected with a heat-conducting column 17, the upper end of the heat-conducting column 17 is fixedly connected with a static friction disc 16 contacted with the dynamic friction disc 15, the tank body 14 is filled with evaporation liquid submerged into the heat-conducting column 17, the upper end face of a flat plate 1 is, a piston rod 19 is fixedly connected to the side face of one side of the piston 20, one end, far away from the piston 20, of the piston rod 19 penetrates through the cylinder barrel 20 and is rotatably connected with one end of the driving rod 9, the side wall of the upper end of the tank body 14 is connected with an air guide pipe 10, and one end, far away from the tank body 14, of the air guide pipe 10 is communicated with the inner wall of the lower end of the cylinder barrel 21.
In the invention, the upper end surface of the tank body 14 is connected with a sealing cover in an airtight threaded manner, the lower end of the tank body 14 is communicated with a drain pipe 18, a first shut-off valve is arranged on the drain pipe 18, a second shut-off valve is arranged on the air guide pipe 10, and the first shut-off valve and the second shut-off valve respectively control the drain pipe 18 and the air guide pipe 10.
In the invention, the evaporating liquid adopts one of butyl acetate, ether and pentane, and can also adopt other evaporating liquids of different types, and the evaporating liquids of different boiling points are selected mainly according to the air temperature.
In the invention, a plurality of heat conducting blocks 24 which are arranged in a rectangular shape penetrate through the tank body 14, the heat conducting blocks 24 are embedded on the tank body 14 in a sealing manner, and heat in the evaporated liquid can be rapidly exchanged with external air by utilizing the heat conducting blocks 24.
In the invention, the heat conducting block 24 is made of one of copper, copper alloy and graphite with high heat conductivity coefficient, and the common characteristics of the materials are that the heat conductivity coefficient is high and the heat exchange efficiency is higher than that of other materials.
In the invention, according to the known situation in the background art that if the tightness of two sides of the conveying belt is different, the conveying belt moves to the tight side, the friction force of one deviated end of the conveying belt 3 can be deduced to be larger than that of the other end of the conveying belt.
It is stated in advance that when the conveyer belt 3 normally transports raw coal, the transmission roller 2, the support rod 4, the connecting rod 7 and the driving rod 9 jointly form a parallelogram mechanism, and the whole body is rectangular at the moment, when the conveyer belt 3 deviates; taking the left side deviation of the conveyer belt 3 as an example, the left side edge of the conveyer belt 3 contacts with the rotary table 11, the conveyer belt 3 drives the rotary table 11 to rotate through the friction force between the conveyer belt 3 and the rotary table 11, the rotary table 11 drives the rotary shaft 12 coaxially arranged with the rotary table 11 and the dynamic friction disc 15 at the lower end of the rotary shaft 12 to synchronously rotate, the dynamic friction disc 15 continuously and frictionally contacts with the static friction disc 16 to generate heat, the static friction disc 16 exchanges heat through the air and the heat conducting column 17 until the temperature of the evaporation liquid reaches the boiling point of the evaporation liquid to be vaporized, the vaporized evaporation liquid is introduced into the cylinder barrel 21 through the air duct 10 and jacks up the piston 20 and the piston rod 19, the piston rod 19 jacks up the left end of the driving rod 9, the left end of the driving rod 9 slightly tilts up, the right end of the driving rod 9 can descend, the connecting rod 7 in the parallelogram moves along with the same (, namely, the left side of the conveyer belt 3 becomes loose gradually, the right side becomes tight gradually, the friction force on the right side of the conveyer belt 3 is increased to gradually correct the transmission position of the conveyer belt 3, once the position of the conveyer belt 3 is restored to the initial position, the edge of the conveyer belt 3 is not contacted with the wheel disc 11 any more, the dynamic friction disc 15 is not contacted with the static friction disc 16 any more, the tank body 14 exchanges heat with the outside air through the plurality of heat conduction blocks 24 under the condition of not generating heat, until the temperature of the evaporation liquid in the tank body 14 is restored to be below the boiling point, and the evaporation liquid is liquefied again and gathered in the.
It should be noted that:
1. the sensitivity of the induction deviation preventing mechanism can be set according to specific requirements (weather temperature), namely, when the temperature is lower, an evaporating solution with a lower boiling point, such as butyl acetate, can be selected, the boiling point is 26.5 ℃, when the temperature is higher, an evaporating solution with a higher boiling point, such as diethyl ether, can be selected, the boiling point is 34.6 ℃, such as pentane, and the boiling point is 36.1 ℃; the specific operation when different types of evaporated liquid are replaced is that the first shutoff valve is opened, the evaporated liquid is collected through the drain pipe 18, the shutoff valve is closed, the sealing cover is opened, and new evaporated liquid is added again;
2. the heat conduction column 17 is arranged for rapidly transferring heat generated by mutual friction between the dynamic friction disc 15 and the static friction disc 16 to the evaporated liquid, and the heat conduction block 24 is arranged for rapidly exchanging heat between the heat of the evaporated liquid and the outside air through the heat conduction block 24 once the conveyor belt 3 returns to the initial position, so that cooling is completed, and over-correction is avoided;
3. after the right end of the driving rod 9 is lowered by the spring 22, the situation that the air in the cylinder barrel 21 cannot be compressed due to the air pressure due to the fact that the piston rod 19 cannot compress the air is avoided, the spring 22 provides a certain compression interval, meanwhile, the air pressure after vaporization of certain evaporation liquid is consumed, and the situation that the tilting of the left end of the driving rod 9 is excessive is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. The utility model provides an off tracking device is prevented to electron for raw coal transportation conveyer belt, establishes conveyer belt (3) at its surface including driving pulley (2) and cover, its characterized in that, the below of driving pulley (2) is equipped with dull and stereotyped (1), the both ends of driving pulley (2) all use the bearing to rotate and are connected with branch (4), the up end of dull and stereotyped (1) just is located the equal fixedly connected with in both ends of driving pulley (2) and supports sideboard (5), support and set up on sideboard (5) and lie in branch (4) sliding connection's with one side activity groove (6), the up end of dull and stereotyped (1) just uses axis (8) to rotate in one side of driving pulley (2) and is connected with active rod (9), two branch (4) all pin joint connecting rod (7) jointly with active rod (9), driving pulley (2), branch (4), The connecting rod (7) and the driving rod (9) form a parallelogram mechanism together, and two ends of the conveying belt (3) are symmetrically provided with induction deviation prevention mechanisms;
the induction deviation-preventing mechanism comprises a U-shaped block (13) fixedly connected with a supporting side plate (5), the opening of the U-shaped block (13) deviates from the supporting side plate (5), a tank body (14) is arranged under the U-shaped block (13), the upper inner wall and the lower inner wall of the U-shaped block (13) are rotatably connected with a rotating shaft (12), a rotating disc (11) with two inwards sunken sides is fixedly sleeved on the rotating shaft (12) positioned in the U-shaped block (13), the rotating disc (11) and a conveying belt (3) are positioned on the same plane, the lower end of the rotating shaft (12) penetrates through the U-shaped block (13) and the tank body (14) and is fixedly connected with a dynamic friction disc (15), the inner bottom wall of the tank body (14) is fixedly connected with a heat-conducting column (17), the upper end of the heat-conducting column (17) is fixedly connected with a static friction disc (16) contacted with the dynamic friction disc (15), and, the evaporation liquid is immersed in the heat conduction column (17), the upper end face of the flat plate (1) is fixedly connected with a vertical plate (23), the side wall of one side of the vertical plate (23) is elastically connected with a cylinder barrel (21) through a spring (22), the inner wall of the cylinder barrel (21) is connected with a piston (20) in a sealing and sliding mode, the side face of one side of the piston (20) is fixedly connected with a piston rod (19), one end, far away from the piston (20), of the piston rod (19) penetrates through the cylinder barrel (21) and is rotatably connected with one end of the driving rod (9), the side wall of the upper end of the tank body (14) is connected with a gas guide pipe (10), and one end, far away from the tank body (14), of the gas guide pipe.
2. The electronic deviation preventing device for the raw coal transportation conveying belt according to claim 1, wherein a sealing cover is connected to the upper end face of the tank body (14) in an airtight threaded manner, a drainage pipe (18) is communicated with the lower end of the tank body (14), and a first shut-off valve is installed on the drainage pipe (18).
3. The electronic deviation preventing device for the raw coal transportation conveying belt according to claim 1, wherein a second shut-off valve is mounted on the air guide pipe (10).
4. The electronic deviation preventing device for the raw coal transportation conveying belt according to claim 1, wherein the evaporation liquid is one of butyl acetate, diethyl ether and pentane.
5. The electronic deviation preventing device for the raw coal transportation conveying belt according to claim 1, wherein a plurality of heat conducting blocks (24) which are arranged in a rectangular shape are arranged in the tank body (14) in a penetrating mode, and the heat conducting blocks (24) are embedded on the tank body (14) in a sealing mode.
6. The electronic deviation preventing device for the raw coal transportation conveying belt according to claim 5, wherein the heat conducting block (24) is made of one of copper, copper alloy and graphite with high heat conductivity coefficient.
CN201910224619.3A 2019-03-23 2019-03-23 Electronic deviation prevention device for raw coal transportation conveying belt Expired - Fee Related CN109896250B (en)

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CN109896250B true CN109896250B (en) 2020-07-17

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135380A (en) * 1989-05-01 1992-08-04 Akebono Brake Industry Co., Ltd. Supply device for supplying friction material to devolatizing device
CN202765773U (en) * 2012-07-19 2013-03-06 湖北鑫荣矿业有限公司 Automation self-aligning device of belt
CN104326236A (en) * 2014-10-24 2015-02-04 河北工程大学 Graded automatic deviation correcting device for mineral conveyor
CN204847240U (en) * 2015-06-11 2015-12-09 河南工业大学 Bearing roller band conveyer
CN105292996A (en) * 2015-10-29 2016-02-03 侯可中 Belt deviation rectifying device and belt deviation rectifying method
KR101663828B1 (en) * 2016-01-22 2016-10-07 (주)서원푸드 Dumpling refrigerating apparatus
CN106347962A (en) * 2016-11-22 2017-01-25 江苏闪锐现代农业设备制造有限公司 Automatic QT-type powerful deviation adjusting device for conveyor belt
CN106966110A (en) * 2017-05-02 2017-07-21 农业部南京农业机械化研究所 A kind of staged serialization is dehydrated anti-deviation conveyer
CN106966133A (en) * 2016-08-08 2017-07-21 铜陵重钢机械装备有限公司 Ribbon conveyer automatic aligning pop-up roller group
CN207158126U (en) * 2017-08-21 2018-03-30 泰州协力吊装设备有限公司 Intelligent conveyer belt anti-deviation device
CN108996165A (en) * 2018-08-30 2018-12-14 安徽盛运重工机械有限责任公司 Belt conveyor with belt deviation detecting and correcting functions
CN208233999U (en) * 2018-03-28 2018-12-14 天能电池集团(安徽)有限公司 A kind of transfer roller part of the anti-belt deflection of rub resistance

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135380A (en) * 1989-05-01 1992-08-04 Akebono Brake Industry Co., Ltd. Supply device for supplying friction material to devolatizing device
CN202765773U (en) * 2012-07-19 2013-03-06 湖北鑫荣矿业有限公司 Automation self-aligning device of belt
CN104326236A (en) * 2014-10-24 2015-02-04 河北工程大学 Graded automatic deviation correcting device for mineral conveyor
CN204847240U (en) * 2015-06-11 2015-12-09 河南工业大学 Bearing roller band conveyer
CN105292996A (en) * 2015-10-29 2016-02-03 侯可中 Belt deviation rectifying device and belt deviation rectifying method
KR101663828B1 (en) * 2016-01-22 2016-10-07 (주)서원푸드 Dumpling refrigerating apparatus
CN106966133A (en) * 2016-08-08 2017-07-21 铜陵重钢机械装备有限公司 Ribbon conveyer automatic aligning pop-up roller group
CN106347962A (en) * 2016-11-22 2017-01-25 江苏闪锐现代农业设备制造有限公司 Automatic QT-type powerful deviation adjusting device for conveyor belt
CN106966110A (en) * 2017-05-02 2017-07-21 农业部南京农业机械化研究所 A kind of staged serialization is dehydrated anti-deviation conveyer
CN207158126U (en) * 2017-08-21 2018-03-30 泰州协力吊装设备有限公司 Intelligent conveyer belt anti-deviation device
CN208233999U (en) * 2018-03-28 2018-12-14 天能电池集团(安徽)有限公司 A kind of transfer roller part of the anti-belt deflection of rub resistance
CN108996165A (en) * 2018-08-30 2018-12-14 安徽盛运重工机械有限责任公司 Belt conveyor with belt deviation detecting and correcting functions

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