CN215624841U - Belt conveyor carrier roller for coal mining - Google Patents

Abstract

The utility model discloses a belt conveyor carrier roller for coal mining, which comprises a conveyor carrier roller body arranged at the top of a base, wherein the conveyor carrier roller body comprises a first mounting plate and two second mounting plates, the first mounting plate and the two second mounting plates are arranged above the base, the first mounting plate is positioned between the two second mounting plates, the two second mounting plates are obliquely and rotatably arranged at the top of the base, and the two second mounting plates are symmetrically arranged. The horizontal carrier roller adjusting device is reasonable in design, is convenient to relieve the rigid impact force on the horizontal carrier roller, reduces the damage risk caused by the increase of the rigid impact force, is convenient to adjust the elasticity of the buffer spring according to actual needs, effectively relieves the impact force, reduces the jumping amplitude, improves the transportation stability, is convenient to synchronously adjust the inclination angles of the two lateral carrier rollers according to the actual needs, avoids the phenomenon that the two lateral carrier rollers have different inclinations, and improves the use flexibility.

Description

Belt conveyor carrier roller for coal mining

Technical Field

The utility model relates to the technical field of belt conveyor carrier rollers, in particular to a belt conveyor carrier roller for coal mining.

Background

Coal mines are an important resource on the earth, coal mines can be divided into underground coal mines, open coal mines and other types, along with the development of the era, people pay more and more attention to the coal mine exploitation, a belt conveyor is generally used in the coal mine exploitation, the coal mines can be automatically transported through the belt conveyor, a carrier roller structure is an important component of the belt conveyor when the belt conveyor is used, the existing belt conveyor carrier rollers for the coal mine exploitation comprise an underframe and three groups of carrier rollers, each group of carrier rollers comprise a carrier roller body and two groups of supports, the carrier rollers are sleeved with a conveying belt when the belt conveyor is used, the conveying belt is driven to convey forwards through the rotation of the two groups of first carrier rollers and the second carrier rollers, in order to reduce the impact force in the process of conveying the coal mines, most of the coal mines are provided with a buffer mechanism at the bottom of the carrier rollers for relieving the hard impact force of the carrier rollers, and the damage risk of the belt is reduced, for example, application No.: 201821695819.4 relates to a belt conveyer roller for coal mining, which can realize the damping function through a damping spring and resist larger impact force; meanwhile, the device can be conveniently detached and maintained; in addition, in the coal mining process, dust can be prevented from entering; the carrier roller comprises a chassis and three groups of carrier rollers, wherein each group of carrier rollers comprises a carrier roller body and two groups of brackets, two ends of the carrier roller body are respectively connected with the top ends of the two groups of brackets, the bottom ends of six groups of brackets in the three groups of carrier rollers are sequentially fixed at the top end of the chassis from left to right, each group of carrier roller body comprises a barrel body, a central shaft, two groups of ball bearings and two groups of outer sealing rings, two ends of the barrel body are respectively communicated and provided with two groups of barrel holes, two groups of ball bearings are respectively fixed in the two groups of barrel holes, two groups of outer sealing rings are respectively fixed at the outer sides of the two groups of ball bearings, the two groups of outer sealing holes are respectively communicated with the inner rings of the corresponding ball bearings, the carrier roller further comprises two groups of threaded rods and two groups of threaded pipes, the chassis comprises three groups of bottom rods, two ends of the three groups of bottom rods are sequentially hinged together, the three groups of carrier rollers are respectively installed on the three groups of bottom rods, and the two ends of the two groups of threaded pipes are respectively fixed at two ends of a fixing frame, two groups of threaded rods are respectively screwed in the two groups of threaded pipes, two groups of adjusting grooves are respectively arranged at the bottom ends of the bottom rod positioned on the left side and the bottom rod positioned on the right side, and the top ends of the two groups of threaded rods are respectively placed in the two groups of adjusting grooves; the height of two sets of threaded rods can be adjusted by rotating the two sets of threaded rods, so that the height of the left bottom rod and the height of the right bottom rod are adjusted, three sets of carrier rollers can be adjusted within a certain angle range, and flexibility and convenience in use of the device are improved.

In the above patent, the impact force of the whole device can be relieved by the damping spring, but it has a disadvantage that it is inconvenient to adjust the elasticity of the damping spring, so that the jumping amplitude and the damping force cannot be balanced, if the elasticity of the spring is too small and soft, the vertical jumping amplitude is too large, the normal transportation operation is affected, when the elasticity of the spring is too large and too hard, the spring cannot play an effective role in buffering and damping, and the angle adjustment of the three groups of carrier rollers can be realized through the threaded rod in the patent, but its mode work efficiency of independent control is low, hardly guarantees that the inclination of two bearing rollers of both sides keeps unanimous, and the bearing roller inclination of both sides is different, appears transporting the phenomenon of skew easily, synthesizes the problem that the patent exists and improves, therefore we have proposed that the mining adopts band conveyer bearing roller to be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a belt conveyor carrier roller for coal mining.

In order to achieve the purpose, the utility model adopts the following technical scheme:

belt conveyor roller is used in coal mining, including installing the conveyer roller body at the base top, conveyer roller body is including setting up first mounting panel and two second mounting panels in the base top, and first mounting panel is located between two second mounting panels, and two second mounting panels all incline to rotate and install at the top of base, and two second mounting panel symmetries set up, and the top of first mounting panel is rotated and is installed horizontal bearing roller, and the top of second mounting panel is rotated and is installed the side direction bearing roller, be equipped with shock-absorbing capacity adjustment mechanism on the base, be equipped with on the base with two side direction bearing roller matched with synchronous angle adjustment mechanism.

Preferably, the buffering performance adjusting mechanism comprises a clip frame fixedly arranged at the bottom of the first mounting plate, a first rectangular groove is formed in the top of the base, the bottom of the clip frame extends into the first rectangular groove, a transverse plate is fixedly connected between the front inner wall and the rear inner wall of the first rectangular groove, positioning plates are fixedly connected to both sides of the transverse plate, the clip frame is slidably sleeved on the two positioning plates, a pressure regulating plate is slidably sleeved in the clip frame, a plurality of buffering springs are fixedly connected between the bottom of the pressure regulating plate and the top of the transverse plate, fixed blocks are fixedly connected to the inner walls of both sides of the clip frame, positioning rods are fixedly connected between the top of the fixed blocks and the bottom of the first mounting plate, the pressure regulating plate is slidably sleeved on the two positioning rods, a first through hole is formed in the left side of the first mounting plate, two first screw rods are rotatably arranged in the first through hole, and one end of the two first screw rods, which are close to each other, is welded, the screw thread turning directions of the two first screw rods are opposite, the two moving blocks are slidably mounted on the inner wall of the top of the first through hole, the corresponding first screw rods are sleeved with the moving block threads, the connecting rods which are obliquely arranged are rotatably mounted on the front sides of the moving blocks, the bottom ends of the connecting rods are hinged to the top of the pressure regulating plate, the two connecting rods are symmetrically arranged, and the right end of the first screw rod on the right side in the two first screw rods extends to the right side of the first mounting plate and is fixedly connected with a knob.

Preferably, synchronous angle adjustment mechanism is including the slider of difference slidable mounting in two second mounting panel bottoms, the bottom of two sliders all articulates there is the carriage release lever, the top both sides of base all inlay and are equipped with the rectangular pipe, the rectangular pipe slip cap is established on the carriage release lever that corresponds, the second screw rod is installed to the rectangular pipe internal rotation, carriage release lever thread bush is established on the second screw rod that corresponds, the bottom fixedly connected with of base returns the shape supporting seat, the bottom of second screw rod extends to and returns shape supporting seat in and fixedly connected with sprocket, the transmission is connected with same chain on two sprockets, fixedly connected with driving motor on the bottom inner wall of shape supporting seat returns, the output shaft top of driving motor and the bottom fixed connection who lies in left sprocket in two sprockets.

Preferably, two U-shaped mount pads of top fixedly connected with of base, the equal fixedly connected with first bearing in front side and the rear side of second mounting panel, the inner circle internal fixation cover of first bearing is equipped with the round pin axle, has all seted up first circular port on the front side inner wall of U-shaped mount pad and the rear side inner wall, the inboard of first circular port and the outside fixed connection of the round pin axle that corresponds.

Preferably, first rectangular holes are formed in two sides of the bottom of the square frame, and the inner walls of the first rectangular holes are in sliding connection with the outer sides of the corresponding positioning plates.

Preferably, a second rectangular hole is formed in each of two sides of the top of the pressure regulating plate, and the inner wall of each second rectangular hole is connected with the outer side of the corresponding positioning rod in a sliding mode.

Preferably, one side of the moving block is provided with a first threaded hole, the first threaded hole is in threaded connection with a corresponding first screw, a sliding groove is formed in the inner wall of the top of the first through hole, a T-shaped sliding rail is fixedly connected to the inner wall of the top of the sliding groove, the top of the moving block is provided with a T-shaped sliding groove, the two sides of the T-shaped sliding groove are both provided with openings, and the T-shaped sliding rail is in sliding connection with the T-shaped sliding groove.

Preferably, four second bearings are fixedly connected between the top inner wall and the bottom inner wall of the first through hole, and the inner sides of the inner rings of the second bearings are fixedly connected with the outer sides of the corresponding first screws.

Preferably, spacing holes have all been seted up on the one side inner wall that two rectangular pipes are close to each other, the equal fixedly connected with stopper in one side that two carriage release levers are close to each other, stopper and the spacing hole sliding connection who corresponds, the mounting hole has all been seted up to the top both sides of base, the inner wall of mounting hole and the outside fixed connection of the rectangular pipe that corresponds, fixedly connected with third bearing between the both sides inner wall of rectangular pipe, the inboard outside fixed connection with the second screw rod that corresponds of inner circle of third bearing.

Preferably, a second threaded hole is formed in the bottom end of the moving rod and is in threaded connection with a corresponding second screw rod, two second circular holes are formed in the inner wall of the top of the square-shaped supporting seat, and the second screw rod is located in the corresponding second circular hole and is not in contact with the inner wall of the second circular hole.

Compared with the prior art, the utility model has the beneficial effects that:

through the cooperation of the base, the first mounting plate, the second mounting plate, the transverse carrier roller, the lateral carrier roller, the clip frame, the first rectangular groove, the positioning plate, the transverse plate, the positioning rod, the pressure regulating plate, the buffer spring, the first through hole, the first screw rod, the moving block, the connecting rod, the fixing block, the sliding block, the moving rod, the rectangular tube, the clip support seat, the second screw rod and the driving motor with the chain wheel, when the transverse carrier roller generates impact force during use, the transverse carrier roller drives the clip frame to slide downwards on the two positioning plates through the first mounting plate, the first mounting plate drives the pressure regulating plate to compress the buffer spring downwards through the first screw rod, the moving block and the connecting rod, under the elastic force action of the buffer spring, the hard impact force can be relieved, when the soft elastic force of the buffer spring is needed to be regulated, the two first screw rods are driven to rotate by the forward rotation knob, the two first screw rods rotate to drive the two moving blocks to move towards the direction close to each other and extrude the corresponding connecting rods to move and rotate, the two connecting rods simultaneously extrude the pressure regulating plates to slide downwards on the two positioning rods and compress the buffer springs, so that the buffer springs are in a slightly compressed or semi-compressed state before being compressed, the compression stroke of the buffer springs is shortened, the damping elasticity of the buffer springs in the compressed state on the first mounting plate is increased, the buffer force of the buffer springs is changed, and the jumping amplitude and the vibration force are properly balanced and adjusted;

when the inclination angles of the two lateral supporting rollers need to be adjusted, the forward starting driving motor drives the two second screw rods to rotate through the two chain wheels and the chain, the second screw rods rotate to drive the corresponding movable rods to move downwards, the movable rods drive the second mounting plates to rotate through pulling the corresponding sliding blocks, the two second mounting plates drive the two lateral supporting rollers to rotate and incline, and after the adjustment is proper, the driving motor is stopped, and the adjustment is completed.

The horizontal carrier roller adjusting device is reasonable in design, is convenient to relieve the rigid impact force on the horizontal carrier roller, reduces the damage risk caused by the increase of the rigid impact force, is convenient to adjust the elasticity of the buffer spring according to actual needs, effectively relieves the impact force, reduces the jumping amplitude, improves the transportation stability, is convenient to synchronously adjust the inclination angles of the two lateral carrier rollers according to the actual needs, avoids the phenomenon that the two lateral carrier rollers have different inclinations, and improves the use flexibility.

Drawings

FIG. 1 is a schematic structural view of a belt conveyor idler for coal mining according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100 bases, 101 first mounting plates, 102 second mounting plates, 103 transverse supporting rollers, 104 lateral supporting rollers, 1 clip frame, 2 first rectangular grooves, 3 positioning plates, 4 transverse plates, 5 positioning rods, 6 pressure adjusting plates, 7 buffer springs, 8 first through holes, 9 first screw rods, 10 moving blocks, 11 connecting rods, 12 fixing blocks, 13 sliding blocks, 14 moving rods, 15 rectangular pipes, 16 clip supporting seats, 17 second screw rods, 18 driving motors and 19 chain wheels.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a belt conveyor idler for coal mining comprises a conveyor idler body mounted on the top of a base 100, the conveyor idler body comprises a first mounting plate 101 and two second mounting plates 102 which are arranged above the base 100, the first mounting plate 101 is located between the two second mounting plates 102, the two second mounting plates 102 are both obliquely and rotatably mounted on the top of the base 100, the two second mounting plates 102 are symmetrically arranged, a transverse idler 103 is rotatably mounted on the top of the first mounting plate 101, a lateral idler 104 is rotatably mounted on the top of the second mounting plate 102, a buffer performance adjusting mechanism is arranged on the base 100, and a synchronous angle adjusting mechanism matched with the two lateral idlers 104 is arranged on the base 100;

the buffering performance adjusting mechanism comprises a clip frame 1 fixedly arranged at the bottom of a first mounting plate 101, a first rectangular groove 2 is arranged at the top of a base 100, the bottom of the clip frame 1 extends into the first rectangular groove 2, a transverse plate 4 is fixedly connected between the front inner wall and the rear inner wall of the first rectangular groove 2, two sides of the transverse plate 4 are fixedly connected with positioning plates 3, the clip frame 1 is slidably sleeved on the two positioning plates 3, a pressure regulating plate 6 is slidably sleeved in the clip frame 1, a plurality of buffer springs 7 are fixedly connected between the bottom of the pressure regulating plate 6 and the top of the transverse plate 4, fixed blocks 12 are fixedly connected on the inner walls of the two sides of the clip frame 1, positioning rods 5 are fixedly connected between the top of the fixed blocks 12 and the bottom of the first mounting plate 101, the pressure regulating plate 6 is slidably sleeved on the two positioning rods 5, a first through hole 8 is arranged at the left side of the first mounting plate 101, two first screw rods 9 are rotatably arranged in the first through hole 8, the two first screw rods 9 are welded at the ends close to each other, the thread turning directions of the two first screw rods 9 are opposite, two moving blocks 10 are slidably mounted on the inner wall of the top of the first through hole 8, the moving blocks 10 are sleeved on the corresponding first screw rods 9 in a threaded manner, connecting rods 11 which are obliquely arranged are rotatably mounted at the front sides of the moving blocks 10, the bottom ends of the connecting rods 11 are hinged with the top of the pressure regulating plate 6, the two connecting rods 11 are symmetrically arranged, and the right end of the first screw rod 9 on the right side in the two first screw rods 9 extends to the right side of the first mounting plate 101 and is fixedly connected with a knob;

the synchronous angle adjusting mechanism comprises sliding blocks 13 which are respectively and slidably mounted at the bottoms of two second mounting plates 102, moving rods 14 are respectively hinged at the bottoms of the two sliding blocks 13, rectangular pipes 15 are respectively embedded at two sides of the top of a base 100, the rectangular pipes 15 are slidably sleeved on the corresponding moving rods 14, second screw rods 17 are rotatably mounted in the rectangular pipes 15, the moving rods 14 are in threaded sleeve connection with the corresponding second screw rods 17, a clip-shaped support base 16 is fixedly connected at the bottom of the base 100, the bottom end of each second screw rod 17 extends into the clip-shaped support base 16 and is fixedly connected with a chain wheel 19, the two chain wheels 19 are in transmission connection with the same chain, a driving motor 18 is fixedly connected on the inner wall of the bottom of the clip-shaped support base 16, the top end of an output shaft of the driving motor 18 is fixedly connected with the bottoms of the chain wheels 19 positioned at the left side of the two chain wheels 19, and the synchronous angle adjusting mechanism is reasonable in design and convenient for relieving the hard impact force applied to the transverse carrier roller 103, reduce because of the damage risk that hard impact force increaseed and cause, be convenient for adjust buffer spring 7's elasticity size according to actual need, reduce the range of beating when effectively alleviating the impact force, improve transportation stability, and be convenient for adjust two lateral direction bearing roller 104's inclination in step according to actual need, avoid two lateral direction bearing roller 104 to appear the phenomenon that the gradient is different, improve and use the flexibility.

In the utility model, two U-shaped mounting seats are fixedly connected to the top of a base 100, first bearings are fixedly connected to the front side and the rear side of a second mounting plate 102, pin shafts are fixedly sleeved in inner rings of the first bearings, first circular holes are respectively formed in the front side inner wall and the rear side inner wall of each U-shaped mounting seat, the inner sides of the first circular holes are fixedly connected with the outer sides of the corresponding pin shafts, first rectangular holes are respectively formed in the two sides of the bottom of a clip frame 1, the inner walls of the first rectangular holes are slidably connected with the outer sides of corresponding positioning plates 3, second rectangular holes are respectively formed in the two sides of the top of a pressure regulating plate 6, the inner walls of the second rectangular holes are slidably connected with the outer sides of corresponding positioning rods 5, first threaded holes are formed in one side of a moving block 10, the first threaded holes are in threaded connection with corresponding first screw rods 9, sliding grooves are formed in the inner walls of the tops of first through holes 8, and T-shaped sliding rails are fixedly connected to the inner walls of the tops of the sliding grooves, the top of the moving block 10 is provided with a T-shaped sliding groove with two sides provided with openings, the T-shaped sliding rail is connected with the T-shaped sliding groove in a sliding manner, four second bearings are fixedly connected between the top inner wall and the bottom inner wall of the first through hole 8, the inner sides of the inner rings of the second bearings are fixedly connected with the outer sides of the corresponding first screw rods 9, the inner walls of one sides, close to each other, of the two rectangular tubes 15 are respectively provided with a limiting hole, one sides, close to each other, of the two moving rods 14 are respectively fixedly connected with a limiting block, the limiting blocks are slidably connected with the corresponding limiting holes, the two sides of the top of the base 100 are respectively provided with a mounting hole, the inner walls of the mounting holes are fixedly connected with the outer sides of the corresponding rectangular tubes 15, a third bearing is fixedly connected between the inner walls of the two sides of the rectangular tubes 15, the inner sides of the inner rings of the third bearing are fixedly connected with the outer sides of the corresponding second screw rods 17, the bottom ends of the moving rods 14 are provided with second threaded holes, and the second threaded holes are connected with the corresponding second screw rods 17, the two second circular holes are formed in the inner wall of the top of the square-shaped supporting seat 16, the second screw rods 17 are located in the corresponding second circular holes and are not in contact with the inner walls of the second circular holes, the horizontal carrier roller bearing structure is reasonable in design, hard impact force on the horizontal carrier roller 103 is relieved conveniently, damage risks caused by the fact that the hard impact force is increased are reduced, the elasticity of the buffer springs 7 can be adjusted conveniently according to actual needs, jumping amplitude is reduced while the impact force is relieved effectively, transportation stability is improved, the inclination angles of the two lateral carrier rollers 104 can be adjusted synchronously according to the actual needs, the phenomenon that the two lateral carrier rollers 104 are different in inclination is avoided, and use flexibility is improved.

The working principle is as follows: when the impact force is generated during the use process of the transverse carrier roller 103, the impact force drives the transverse carrier roller 103 to move downwards, the transverse carrier roller 103 drives the first mounting plate 101 to move downwards, the first mounting plate 101 drives the clip frame 1 to move downwards, the clip frame 1 slides downwards on the two positioning plates 3, meanwhile, the first mounting plate 101 sequentially drives the pressure regulating plate 6 to move downwards through the first screw 9, the moving block 10 and the connecting rod 11, the pressure regulating plate 6 compresses the buffer spring 7 downwards, the hard impact force can be relieved under the elastic force action of the buffer spring 7, the damage risk of the transverse carrier roller 103 caused by large impact force is reduced, when the elastic force of the buffer spring 7 is soft, the vertical jumping amplitude of the transverse carrier roller 103 is large easily to influence the transmission operation, when the elastic force of the buffer spring 7 needs to be regulated, the knob is rotated forwards, the knob drives the two first screw rods 9 to rotate, under the action of first threaded holes arranged on the moving blocks 10, the two first screw rods 9 rotate to drive the two moving blocks 10 to move towards the directions close to each other, the moving blocks 10 push the corresponding connecting rods 11 to move and rotate, the two connecting rods 11 simultaneously push the pressure regulating plate 6 to slide downwards on the two positioning rods 5 and compress the buffer springs 7, so that the buffer springs 7 are in a slightly compressed or semi-compressed state before being compressed, the compression stroke of the buffer springs is shortened, the damping elastic force of the buffer springs 7 in the compressed state on the first mounting plate 101 is increased, the buffering force is changed, the vertical jumping amplitude of the first mounting plate 101 is reduced, the elastic force of the buffer springs 7 can be adjusted according to actual needs, and the proper balance adjustment of the jumping amplitude and the vibration force is achieved, the bounce amplitude is reduced while the impact force is effectively relieved, and the transportation stability is improved;

when the inclination angles of the two lateral support rollers 104 need to be adjusted according to the use requirement, the driving motor 18 is started in the forward direction, the output shaft of the driving motor 18 drives the left chain wheel 19 to rotate, the left chain wheel 19 drives the right chain wheel 19 to rotate through a chain, the chain wheel 19 drives the corresponding second screw 17 to rotate, under the action of a second threaded hole formed in the moving rod 14, the second screw 17 drives the corresponding moving rod 14 to move downwards while rotating, the moving rod 14 pulls the corresponding sliding block 13 to move downwards, the sliding block 13 pulls the corresponding second mounting plate 102 to rotate, the two second mounting plates 102 simultaneously rotate in the direction away from each other, the second mounting plates 102 drive the corresponding lateral support rollers 104 to rotate, so that the inclination angles of the lateral support rollers 104 are changed, after the appropriate adjustment is carried out, the driving motor 18 is stopped, under the action of locking forces of the second threaded holes and the corresponding second screw 17, the lateral carrier rollers 104 are fixed and adjusted, so that the inclination angles of the two lateral carrier rollers 104 can be adjusted synchronously according to actual needs, and the phenomenon that the two lateral carrier rollers 104 have different inclinations can be avoided.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (10)

1. Belt conveyor roller is used in coal mining, including installing the conveyer roller body at base (100) top, conveyer roller body is including setting up first mounting panel (101) and two second mounting panels (102) in base (100) top, first mounting panel (101) are located between two second mounting panels (102), the top at base (100) is installed in the equal slope rotation of two second mounting panels (102), two second mounting panels (102) symmetry set up, horizontal bearing roller (103) are installed in the top rotation of first mounting panel (101), side direction bearing roller (104) are installed in the top rotation of second mounting panel (102), a serial communication port, be equipped with shock-absorbing capacity adjustment mechanism on base (100), be equipped with on base bearing roller (100) with two side direction bearing roller (104) matched with synchronous angle adjustment mechanism.

2. The belt conveyor carrier roller for coal mining according to claim 1, characterized in that the buffering performance adjusting mechanism comprises a clip frame (1) fixedly installed at the bottom of a first installation plate (101), a first rectangular groove (2) is formed at the top of a base (100), the bottom of the clip frame (1) extends into the first rectangular groove (2), a transverse plate (4) is fixedly connected between the front inner wall and the rear inner wall of the first rectangular groove (2), positioning plates (3) are fixedly connected to both sides of the transverse plate (4), the clip frame (1) is slidably sleeved on the two positioning plates (3), an adjusting plate (6) is slidably sleeved in the clip frame (1), a plurality of buffer springs (7) are fixedly connected between the bottom of the adjusting plate (6) and the top of the transverse plate (4), and fixing blocks (12) are fixedly connected to both inner walls of the clip frame (1), fixedly connected with locating lever (5) between the top of fixed block (12) and the bottom of first mounting panel (101), pressure regulating plate (6) slip cap is established on two locating levers (5), first through-hole (8) have been seted up in the left side of first mounting panel (101), two first screw rods (9) are installed to first through-hole (8) internal rotation, the one end that two first screw rods (9) are close to each other welds mutually, the screw thread of two first screw rods (9) is turned to opposite, slidable mounting has two movable blocks (10) on the top inner wall of first through-hole (8), movable block (10) thread bush is established on corresponding first screw rod (9), connecting rod (11) that the slope set up are installed in the front side rotation of movable block (10), the bottom of connecting rod (11) is articulated mutually with the top of pressure regulating plate (6), two connecting rod (11) symmetry set up, the right-hand member of the first screw rod (9) that lies in the right side in two first screw rods (9) extends to the right side of first mounting panel (101) And is fixedly connected with a knob.

3. The belt conveyor idler roller for coal mining according to claim 1, wherein the synchronous angle adjusting mechanism comprises sliding blocks (13) respectively slidably mounted at the bottoms of the two second mounting plates (102), the bottoms of the two sliding blocks (13) are respectively hinged with a movable rod (14), rectangular pipes (15) are respectively embedded at two sides of the top of the base (100), the rectangular pipes (15) are slidably sleeved on the corresponding movable rods (14), second screw rods (17) are rotatably mounted in the rectangular pipes (15), the movable rods (14) are threadedly sleeved on the corresponding second screw rods (17), a clip-shaped support seat (16) is fixedly connected to the bottom of the base (100), the bottom end of each second screw rod (17) extends into the clip-shaped support seat (16) and is fixedly connected with a chain wheel (19), the two chain wheels (19) are respectively and movably connected with a same chain, a driving motor (18) is fixedly connected to the inner wall of the bottom of the clip-shaped support seat (16), the top end of an output shaft of the driving motor (18) is fixedly connected with the bottom of the chain wheel (19) positioned on the left side in the two chain wheels (19).

4. The belt conveyor idler roller for coal mining according to claim 1, wherein two U-shaped mounting seats are fixedly connected to the top of the base (100), the first bearings are fixedly connected to the front side and the rear side of the second mounting plate (102), the pin shafts are fixedly sleeved in the inner rings of the first bearings, first circular holes are formed in the inner walls of the front side and the inner wall of the rear side of each U-shaped mounting seat, and the inner sides of the first circular holes are fixedly connected with the outer sides of the corresponding pin shafts.

5. The belt conveyor idler roller for coal mining according to claim 2, wherein first rectangular holes are formed in both sides of the bottom of the square frame (1), and inner walls of the first rectangular holes are slidably connected with outer sides of the corresponding positioning plates (3).

6. The belt conveyor idler roller for coal mining according to claim 2, wherein second rectangular holes are formed in both sides of the top of the pressure regulating plate (6), and inner walls of the second rectangular holes are slidably connected with outer sides of the corresponding positioning rods (5).

7. The belt conveyor carrier roller for coal mining according to claim 2, wherein a first threaded hole is formed in one side of the moving block (10), the first threaded hole is in threaded connection with the corresponding first screw (9), a sliding groove is formed in the inner wall of the top of the first through hole (8), a T-shaped sliding rail is fixedly connected to the inner wall of the top of the sliding groove, a T-shaped sliding groove with two sides being opened is formed in the top of the moving block (10), and the T-shaped sliding rail is in sliding connection with the T-shaped sliding groove.

8. The belt conveyor idler roller for coal mining according to claim 2, wherein four second bearings are fixedly connected between the top inner wall and the bottom inner wall of the first through hole (8), and the inner sides of the inner rings of the second bearings are fixedly connected with the outer sides of the corresponding first screw rods (9).

9. The belt conveyor idler roller for coal mining according to claim 3, wherein a limiting hole is formed in each of two adjacent rectangular tubes (15), a limiting block is fixedly connected to each of two adjacent moving rods (14), each limiting block is slidably connected to the corresponding limiting hole, mounting holes are formed in each of two sides of the top of the base (100), each of the inner walls of the mounting holes is fixedly connected to the outer side of the corresponding rectangular tube (15), a third bearing is fixedly connected between the inner walls of the two sides of each rectangular tube (15), and the inner side of an inner ring of each third bearing is fixedly connected to the outer side of the corresponding second screw (17).

10. The belt conveyor idler roller for coal mining according to claim 3, wherein the bottom end of the moving rod (14) is provided with a second threaded hole, the second threaded hole is in threaded connection with a corresponding second screw (17), the top inner wall of the square-shaped support seat (16) is provided with two second circular holes, and the second screw (17) is located in the corresponding second circular hole and is not in contact with the inner wall of the second circular hole.

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