A belt conveyor for coal mines

Abstract

The present invention relates to the technical field of conveyors for coal mines, and in particular to a belt conveyor for coal mines, comprising a bracket, the front end of the bracket being rotatably connected to a driving wheel, the driving wheel being driven by a motor fixedly mounted on the outer side of the bracket, the rear end of the bracket being rotatably connected to a driven wheel, and further comprising: a transmission belt; a second support mechanism; a first support mechanism; the transmission belt being sleeved on the outer sides of the second support mechanism and the first support mechanism. In the present application, the second slide plate, the fixed rod, the pressure roller and other components are provided to improve the cleanliness of the surface of the transmission belt, reduce the tearing of the transmission belt due to the wear of the coal slag, and the rotation speed sensor, the oil tank and the oil nozzle are provided to reduce the friction between the transmission belt and the second roller, reduce the wear of the transmission belt, and increase the service life of the transmission belt.

Description

Technical Field

[0001] The present invention relates to the technical field of conveyors for coal mines, and in particular to a belt conveyor for coal mines. Background Art

[0002] During coal mining, in order to transport the mined ore to the processing site, a conveyor is needed to transport the ore. The ore can be quickly transported to the designated location by a conveyor, which effectively saves manpower and improves production efficiency. Invention content, the conveyors used in the prior art are mainly belt conveyors.

[0003] However, the belt conveyor in the prior art, such as the one disclosed in Chinese Patent Publication No. CN 115339850A, still has the following problem when transporting ore. That is, since the length of the conveyor belt is often long, a plurality of support rollers need to be provided to support the conveyor belt. In the process of supporting the conveyor belt, the surface of the support roller will have a large friction with the inner surface of the conveyor belt. During the long-term contact between the conveyor belt and the support roller, the conveyor belt is easily worn due to the friction. However, no measures have been taken in the prior art to reduce the wear of the conveyor belt. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems existing in the prior art and to propose a belt conveyor for coal mines.

[0005] In order to achieve the above object, the present invention adopts the following technical scheme: a belt conveyor for coal mines, comprising a bracket, the front end of the bracket is rotatably connected to a driving wheel, the driving wheel is driven by a motor fixedly mounted on the outer side of the bracket, the rear end of the bracket is rotatably connected to a driven wheel, and also includes:

[0006] A transmission belt, wherein the transmission belt is sleeved on the outer sides of the driving wheel and the driven wheel;

[0007] A second supporting mechanism, wherein the second supporting mechanism is provided in a plurality of groups, and the plurality of groups of the second supporting mechanism are provided on a section of the bracket between the driving wheel and the driven wheel, and are used to support and lubricate the transmission belt;

[0008] The first supporting mechanism is provided with several groups, and several groups of the first supporting mechanism are arranged on a section of the bracket between the driving wheel and the driven wheel, and are located at the front end of several groups of the second supporting mechanism, for supporting the transmission belt and removing grease.

[0009] Preferably, a heating mechanism is also included, which is arranged on a section of the bracket between the driving wheel and the driven wheel and is located at the front end of several groups of first supporting mechanisms, and is used to heat the inner surface of the conveyor belt. The conveyor belt is sleeved on the outside of the heating mechanism, the first supporting mechanism and the second supporting mechanism.

[0010] Preferably, the heating mechanism comprises a fixed block fixedly mounted on the inner bottom wall of the bracket, the fixed blocks are symmetrically arranged in two groups, a heating column is rotatably connected between the two groups of fixed blocks, and the heating column is arranged in contact with the inner surface of the conveyor belt.

[0011] Preferably, the second supporting mechanism includes a second mounting plate fixedly mounted on the inner bottom wall of the bracket, second sliding columns are fixed on both sides of the upper end of the second mounting plate, a second slide plate is slidably connected to the outer side of the second sliding column, and a second spring is provided on an outer sliding sleeve of a section of the second sliding column located between the second mounting plate and the second slide plate.

[0012] Preferably, three groups of supporting lubrication components are arranged on the upper end of the second slide plate, the middle supporting lubrication component is arranged horizontally, and the supporting lubrication components on both sides are arranged inclinedly, and two groups of symmetrically arranged fixing rods are fixed on the lower end surface of the second slide plate, and a pressure roller is rotatably connected between the two groups of fixing rods.

[0013] Preferably, the supporting lubrication assembly comprises a fixing frame fixed to the upper end of the second slide plate, the fixing frames are symmetrically arranged in two groups, a fixing column is rotatably connected between the two groups of fixing frames, the outer side of the fixing column is fixedly sleeved with a second roller and a speed sensor in turn, and the rotating sleeve is provided with an oil tank, and the oil tank is connected with an oil spray nozzle;

[0014] The fixing frames at both ends of the middle supporting lubricating assembly have the same height, while the fixing frames at both ends of the supporting lubricating assemblies on both sides have different heights and are higher outside and lower inside.

[0015] Preferably, the first supporting mechanism includes a first mounting plate fixedly mounted on the inner bottom wall of the bracket, first sliding columns are fixed on both sides of the upper end of the first mounting plate, a first slide plate is slidably connected to the outer side of the first sliding column, sliding blocks are fixed at both ends of the first slide plate, the other end of the sliding block is slidably connected to a sliding groove provided on the inner side wall of the bracket, and a first spring is provided on an outer sliding sleeve of a section of the first sliding column located between the first mounting plate and the first slide plate.

[0016] Preferably, three groups of supporting and oil-removing components are arranged at the upper end of the first slide plate, the middle supporting and oil-removing component is arranged horizontally, and the supporting and oil-removing components on both sides are arranged inclinedly.

[0017] Preferably, the supporting oil removal assembly comprises a mounting frame fixed to the upper end of the first slide plate and an oil collecting tank, the mounting frame is symmetrically arranged in two groups, the oil collecting tank is located between the two groups of mounting frames, and a scraper is fixedly installed inside the oil collecting tank, and a mounting column rotatably connected to the two groups of mounting frames is arranged above the scraper, and a first roller is fixedly sleeved on the outer side of the mounting column, a semiconductor refrigeration block is installed inside the first roller, and an oil-absorbing felt is fixedly sleeved on the outer side;

[0018] The mounting frames at both ends of the middle supporting oil removal component have the same height, while the mounting frames at both ends of the supporting oil removal components on both sides have different heights and are higher outside and lower inside.

[0019] Preferably, a cover is fixedly mounted on both sides of the upper end of the bracket, a controller is mounted on the cover, and multiple groups of electric push rods are fixedly mounted inside the cover, and the output ends of the electric push rods are arranged in contact with the surface of the slider.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] 1. In the present application, the first sliding column, the first spring, the second sliding column, the second spring and other components can be provided to effectively reduce the vibration of the conveyor belt during its operation, thereby preventing coal blocks from falling to the outside of the conveyor belt due to vibration, thereby reducing losses.

[0022] 2. In the present application, by arranging the second slide plate, the fixed rod, the pressure roller and other components, when the second slide plate moves downward, the friction force of the coal blocks on the second roller passing through the conveyor belt can be reduced, thereby increasing the service life of the conveyor belt. At the same time, the downward movement of the second slide plate will cause the fixed rod to drive the pressure roller to move downward, so that the pressure roller strikes the lower end of the conveyor belt, causing the coal slag remaining on the surface of the conveyor belt to fall off, thereby improving the cleanliness of the conveyor belt surface and reducing the tearing of the conveyor belt due to the wear of the coal slag.

[0023] 3. In the present application, by setting up components such as a speed sensor, a fuel tank and a fuel injector, when the device is running, the speed sensor will determine the amount of oil output from the fuel injector through the speed of the second roller. When the friction between the conveyor belt and the surface of the second roller is large, the rotation speed of the second roller is relatively slow. At this time, the fuel injector sprays grease onto the surface of the second roller, thereby reducing the friction between the conveyor belt and the second roller, reducing the wear of the conveyor belt, and increasing the service life of the conveyor belt.

[0024] 4. In the present application, by setting up the first roller, oil absorption felt and oil collecting tank and other components, when the conveyor belt passes through the surface of the first roller, the oil absorption felt will absorb the grease on the inner side of the conveyor belt, and at the same time, the scraper can scrape out the grease absorbed by the oil absorption felt, and then the grease falls into the oil collecting tank for subsequent secondary utilization.

[0025] 5. In the present application, by setting up components such as a controller, an electric push rod and a slider, when the controller is running, the electric push rod can be driven to start alternately. When starting, the electric push rod can drive the slider to move the first slide plate downward, and the semiconductor refrigeration block fixedly installed inside the first roller cools the first roller, thereby solidifying the grease on the inside of the conveyor belt and solidifying the grease on the surface of the oil absorbent felt, which is convenient for the subsequent scraper to clean the oil absorbent felt, improves the cleaning effect of the scraper on the oil absorbent felt, and enables the oil absorbent felt to continuously absorb the grease on the inside of the conveyor belt, thereby improving the overall adsorption effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a belt conveyor for coal mines proposed by the present invention;

[0027] Figure 2 This is a schematic diagram of the structure of the driving wheel and driven wheel of a belt conveyor for coal mines proposed by the present invention;

[0028] Figure 3 This is a schematic diagram of the structure of the first slide column and the first spring portion of a belt conveyor for coal mines proposed by the present invention;

[0029] Figure 4 This is a partial structural diagram of a support and a first mounting plate of a belt conveyor for coal mines proposed by the present invention;

[0030] Figure 5 This is a partial structural diagram of the second slide plate and the first slide plate of a belt conveyor for coal mines proposed by the present invention;

[0031] Figure 6 This is a schematic diagram of the structure of the second roller and the fixed column of a belt conveyor for coal mines proposed by the present invention;

[0032] Figure 7 This is a schematic diagram of the structure of the second roller and the fixed column of a belt conveyor for coal mines proposed by the present invention;

[0033] Figure 8 This is a schematic diagram of the structure of the first roller and the mounting column of a belt conveyor for coal mines proposed by the present invention;

[0034] Fig. 9 This is a schematic diagram of the structure of the first roller and the mounting column of a belt conveyor for coal mines proposed by the present invention;

[0035] Fig.10 This is a schematic diagram of the half-section axial side structure of the first roller of a belt conveyor for coal mines proposed by the present invention;

[0036] Fig.11 This is a schematic diagram of the half-section axial side structure of a support of a belt conveyor for coal mines proposed by the present invention;

[0037] Fig.12 This is a schematic diagram of the structure of a conveyor belt and a second roller of a belt conveyor for coal mines proposed by the present invention;

[0038] Fig.13 This is a schematic diagram of the structure of the electric push rod and the slider of a belt conveyor for coal mines proposed by the present invention;

[0039] Fig.14 This is a schematic diagram of the structure of a conveyor belt and a heating column portion of a belt conveyor for coal mines proposed by the present invention.

[0040] In the figure: 1 bracket, 11 cover, 111 electric push rod, 112 controller, 12 driving wheel, 13 driven wheel, 14 transmission belt, 15 slide, 2 first mounting plate, 21 first slide column, 22 first spring, 23 second mounting plate, 24 second slide column, 25 second spring, 3 second slide plate, 31 fixed frame, 311 fixed column, 32 second roller, 33 oil tank, 34 speed sensor, 35 oil nozzle, 36 fixed rod, 361 pressure roller, 4 first slide plate, 41 mounting frame, 42 mounting column, 43 first roller, 44 oil absorption felt, 45 semiconductor refrigeration block, 46 oil collecting tank, 47 scraper, 48 slider, 5 fixed block, 51 heating column, 6 motor. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0042] Reference Figures 1 to 5 as well as Fig.12 and Fig.14 A belt conveyor for coal mines includes a bracket 1, the front end of the bracket 1 is rotatably connected to a driving wheel 12, the driving wheel 12 is driven by a motor 6 fixedly installed on the outside of the bracket 1, the rear end of the bracket 1 is rotatably connected to a driven wheel 13, the driving wheel 12 and the driven wheel 13 are both transmission-connected to the outside with the same set of transmission belts 14, when the motor 6 is running, the driving wheel 12 can be driven to rotate, the driving wheel 12 drives the transmission belt 14 to rotate, and at the same time, the other end of the transmission belt 14 drives the driven wheel 13 to rotate.

[0043] The bracket 1 is located on a section between the driving wheel 12 and the driven wheel 13, and is provided with a group of heating mechanisms, multiple groups of first supporting mechanisms and multiple groups of second supporting mechanisms from front to back. The transmission belt 14 is sleeved on the outside of the heating mechanism, the first supporting mechanism and the second supporting mechanism. The first supporting mechanism and the second supporting mechanism have basically the same structure, with only a few differences. In actual use, a corresponding number of first supporting mechanisms and second supporting mechanisms can be set according to the length of the transmission belt 14.

[0044] The heating mechanism includes a fixing block 5 fixedly mounted on the inner bottom wall of the bracket 1 . The fixing blocks 5 are symmetrically arranged in two groups. A heating column 51 is rotatably connected between the two groups of fixing blocks 5 . The heating column 51 is arranged in contact with the inner surface of the conveyor belt 14 .

[0045] Reference Figures 8 to 10 Specifically, the first support mechanism includes a first mounting plate 2 fixedly mounted on the inner bottom wall of the bracket 1, first slide posts 21 are welded and fixed on both sides of the upper end of the first mounting plate 2, a first slide plate 4 is slidably connected to the outer side of the first slide post 21, and slide blocks 48 are welded and fixed at both ends of the first slide plate 4. The other end of the slide block 48 is slidably connected to the slide groove 15 provided on the inner side wall of the bracket 1. A first spring 22 is provided on the outer side sliding sleeve of the first slide post 21 located between the first mounting plate 2 and the first slide plate 4. The lower end of the first spring 22 is welded and fixed to the surface of the first mounting plate 2, and the upper end of the first spring 22 is welded and fixed to the lower surface of the first slide plate 4. Multiple groups of mounting frames 41 are welded and fixed to the upper end of the first slide plate 4, and a group of supporting oil removal components is arranged between every two groups of mounting frames 41. There are three groups of supporting oil removal components or more groups in total, two of which are inclined and one is horizontal. In actual use, a corresponding number of supporting oil removal components can be installed according to the width of the conveyor belt 14.

[0046] The supporting oil removal component includes an oil collecting tank 46 welded and fixed to the upper end of the first slide plate 4, a scraper 47 is fixedly installed inside the oil collecting tank 46, and a mounting column 42 rotatably connected to the mounting frame 41 is provided at the upper end of the scraper 47, and the outer side of the mounting column 42 in the supporting oil removal component is fixedly sleeved with a first roller 43, a semiconductor refrigeration block 45 is installed inside the first roller 43, and an oil-absorbing felt 44 is fixedly sleeved on the outer side. The semiconductor refrigeration block 45 is composed of a plurality of semiconductor refrigeration sheets and corresponds to the shape of the first roller 43. At the same time, semiconductor refrigeration is a prior art, and its specific structural design will not be repeated here.

[0047] Reference Figure 6 to Figure 7Specifically, the second support mechanism includes a second mounting plate 23 fixedly mounted on the inner bottom wall of the bracket 1, and a second slide column 24 is welded and fixed on both sides of the upper end of the second mounting plate 23, and a second slide plate 3 is slidably connected to the outer side of the second slide column 24. A second spring 25 is provided on a section of the outer side of the second slide column 24 between the second mounting plate 23 and the second slide plate 3, and the lower end of the second spring 25 is welded and fixed to the surface of the second mounting plate 23, and the upper end of the second spring 25 is welded and fixed to the lower surface of the second slide plate 3. Multiple groups of fixing frames 31 are welded and fixed on both sides of the upper end of the second slide plate 3, and a group of supporting lubricating components is arranged between each two groups of fixing frames 31, and a total of three groups of supporting lubricating components or more groups are arranged, of which two groups are inclined and one group is horizontally arranged. In actual use, a corresponding number of supporting lubricating components can be installed according to the width of the conveyor belt 14. Two groups of symmetrically arranged fixing rods 36 are welded and fixed to the lower end surface of the second slide plate 3, and a pressure roller 361 is rotatably connected between the two groups of fixing rods 36, and the surface of the pressure roller 361 is in rotatable contact with the inner surface of the conveyor belt 14.

[0048] The supporting lubrication assembly includes a fixing frame 31 welded and fixed to the upper end of the second slide plate 3, and a fixing column 311 is rotatably connected between the fixing frames 31. The outer sides of the fixing columns 311 are fixedly sleeved with a second roller 32 and a speed sensor 34 in sequence, and the rotating sleeve is provided with an oil tank 33. The oil tank 33 stores grease with a low applicable temperature, such as calcium-based grease, aluminum-based grease, etc., and an oil spray nozzle 35 is connected to the oil tank 33. The oil spray nozzle 35 can spray the grease inside the oil tank 33 onto the surface of the second roller 32 under appropriate circumstances, thereby reducing the friction between the second roller 32 and the surface of the conveyor belt 14. The speed sensor 34 is a prior art, and its specific structural design will not be repeated here.

[0049] Reference Fig.11 and Fig.13 A cover 11 is fixedly installed on both sides of the upper end of the bracket 1, and a controller 112 is installed on the cover 11. A plurality of electric push rods 111 are fixedly installed inside the cover 11, and the output ends of the electric push rods 111 are arranged in contact with the surface of the slider 48.

[0050] When the present invention is in use, the starting motor 6 drives the driving wheel 12 to rotate, and the driving wheel 12 cooperates with the driven wheel 13 to drive the conveyor belt 14 to rotate. At this time, the coal blocks on the loader will be transported to the coal storage bin through the conveyor belt 14, which is convenient for subsequent processing of the coal blocks.

[0051] When the coal blocks fall onto the surface of the conveyor belt 14 through the loader, pressure is generated on the surface of the conveyor belt 14. At this time, the coal blocks will press the second roller 32 downward, and the second roller 32 will press the second slide plate 3 downward, so that the second slide plate 3 slides along the surface of the second slide column 24, so that the second slide column 24 squeezes the second spring 25 to reduce the shock of the upper end of the conveyor belt 14, thereby reducing the coal blocks from falling to the outside of the conveyor belt 14 due to vibration. At the same time, the downward movement of the second slide plate 3 can also reduce the friction force of the coal blocks on the second roller 32 when passing through the conveyor belt 14 (if the second roller 32 is fixed, the conveyor belt 14 The weight of the coal blocks on the conveyor belt 14 is different. If the weight of the coal blocks is large when the conveyor belt 14 passes through the second roller 32, the friction between the conveyor belt 14 and the second roller 32 will increase), thereby increasing the service life of the conveyor belt 14. At the same time, the downward movement of the second slide plate 3 will cause the fixed rod 36 to drive the pressure roller 361 to move downward, so that the pressure roller 361 knocks the lower end of the conveyor belt 14, causing the coal slag remaining on the surface of the conveyor belt 14 to fall off, thereby improving the cleanliness of the surface of the conveyor belt 14 and reducing the tearing of the conveyor belt 14 caused by the wear of the coal slag.

[0052] When the conveyor belt 14 passes through the surface of the second roller 32, it will drive the second roller 32 to rotate. The rotation of the second roller 32 will cause the speed sensor 34 to start the oil spray nozzle 35. The speed sensor 34 will determine the amount of grease sprayed by the oil spray nozzle 35 according to the rotation speed of the second roller 32. When the friction between the conveyor belt 14 and the surface of the second roller 32 is large, the rotation speed of the second roller 32 is relatively slow. At this time, the oil spray nozzle 35 sprays grease on the surface of the second roller 32, thereby reducing the friction between the conveyor belt 14 and the second roller 32, reducing the wear of the conveyor belt 14, and increasing the service life of the conveyor belt 14.

[0053] Since the friction force at the driving wheel 12 should be relatively large, in order to prevent the transmission belt 14 from slipping at the driving wheel 12, an oil-absorbing felt 44 is fixedly installed on the surface of the first roller 43. When the transmission belt 14 passes through the surface of the first roller 43, the oil-absorbing felt 44 will absorb the grease on the inner side of the transmission belt 14. At this time, when the first roller 43 rotates, it will pass through the surface of the scraper 47. The scraper 47 will scrape out the grease absorbed by the oil-absorbing felt 44, and then the grease will fall into the oil collecting tank 46 for subsequent secondary utilization. At the same time, the controller 112 will start the electric push rod 111 alternately at a fixed time, and the electric push rod 111 will drive the slider 48 to slide along the inner wall of the slide groove 15, and the slider 48 will drive the first slide plate 4 to move downward. At the same time, the semiconductor refrigeration block 45 fixedly installed inside the first roller 43 is started to cool the first roller 43 (due to frictional heat, the first roller 43 needs to be moved down to avoid affecting the refrigeration effect). After the refrigeration is completed, the electric push rod 111 is closed, and the first roller 43 returns to its original position. At this time, since the surface of the first roller 43 steadily descends and contacts with the inner side of the conveyor belt 14, the grease on the inner side of the conveyor belt 14 will solidify, and the grease will solidify on the surface of the oil absorption felt 44, which is convenient for the subsequent scraper 47 to clean the oil absorption felt 44, improves the cleaning effect of the scraper 47 on the oil absorption felt 44, and enables the oil absorption felt 44 to continuously absorb the grease on the inner side of the conveyor belt 14, thereby improving the overall adsorption effect of the device.

[0054] A fixing block 5 is fixedly installed on the bracket 1, and a heating column 51 is fixedly installed between the two fixing blocks 5. When the grease on the inner side of the conveyor belt 14 is not completely absorbed by the oil-absorbing felt 44, the heating column 51 is started to heat the surface of the conveyor belt 14, so that the temperature of the residual grease on the inner side of the conveyor belt 14 increases, thereby causing the residual grease to lose its lubricating effect, thereby preventing the grease from entering the surface of the driving wheel 12 and causing the conveyor belt 14 to slip.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A belt conveyor for coal mines, comprising a support (1), wherein the front end of the support (1) is rotatably connected to a driving wheel (12), wherein the driving wheel (12) is driven by a motor (6) fixedly mounted on the outer side of the support (1), and the rear end of the support (1) is rotatably connected to a driven wheel (13), characterized in that: Also included are: A transmission belt (14), wherein the transmission belt (14) is sleeved on the outer sides of the driving wheel (12) and the driven wheel (13); A second supporting mechanism, wherein the second supporting mechanism is provided in a plurality of groups, and the plurality of groups of the second supporting mechanism are provided on a section of the bracket (1) between the driving wheel (12) and the driven wheel (13), and are used to support and lubricate the transmission belt 14; A first supporting mechanism, wherein the first supporting mechanism is provided in a plurality of groups, wherein the plurality of groups of the first supporting mechanism are provided on a section of the bracket (1) between the driving wheel (12) and the driven wheel (13), and are located at the front end of the plurality of groups of the second supporting mechanism, and are used to support the conveyor belt 14 and remove grease; The second supporting mechanism comprises a second mounting plate (23) fixedly mounted on the inner bottom wall of the bracket (1), second sliding columns (24) being fixed on both sides of the upper end of the second mounting plate (23), the outer side of the second sliding column (24) being slidably connected to the second slide plate (3), and a second spring (25) being provided on a section of the outer side sliding sleeve of the second sliding column (24) located between the second mounting plate (23) and the second slide plate (3); The upper end of the second slide plate (3) is provided with three groups of support lubrication components, the middle support lubrication component is horizontally arranged, and the support lubrication components on both sides are inclinedly arranged. The lower end surface of the second slide plate (3) is fixed with two groups of symmetrically arranged fixing rods (36), and a pressure roller (361) is rotatably connected between the two groups of fixing rods (36); The supporting lubrication components all comprise a fixing frame (31) fixed to the upper end of the second slide plate (3), the fixing frames (31) being symmetrically arranged in two groups, a fixing column (311) being rotatably connected between the two groups of fixing frames (31), a second roller (32) and a rotation speed sensor (34) being fixedly sleeved on the outer side of the fixing column (311) in sequence, and an oil tank (33) being rotatably sleeved, and an oil nozzle (35) being connected to the oil tank (33); The fixing frames (31) at both ends of the middle supporting lubrication assembly have the same height, while the fixing frames (31) at both ends of the supporting lubrication assembly on both sides have different heights and are higher on the outside and lower on the inside.

2. A belt conveyor for coal mines according to claim 1, characterized in that: The invention also comprises a heating mechanism, which is arranged on a section of the bracket (1) between the driving wheel (12) and the driven wheel (13) and is located at the front end of the plurality of groups of first supporting mechanisms, and is used to heat the inner surface of the conveyor belt (14). The conveyor belt (14) is sleeved on the outer sides of the heating mechanism, the first supporting mechanism and the second supporting mechanism.

3. A belt conveyor for coal mines according to claim 2, characterized in that: The heating mechanism comprises a fixed block (5) fixedly mounted on the inner bottom wall of the bracket (1), wherein the fixed blocks (5) are symmetrically arranged in two groups, and a heating column (51) is rotatably connected between the two groups of the fixed blocks (5), and the heating column (51) is arranged in contact with the inner surface of the conveyor belt (14).

4. A belt conveyor for coal mine according to claim 1, characterized in that: The first supporting mechanism comprises a first mounting plate (2) fixedly mounted on the inner bottom wall of the bracket (1), first sliding columns (21) being fixed on both sides of the upper end of the first mounting plate (2), a first slide plate (4) being slidably connected to the outer side of the first sliding column (21), a sliding block (48) being fixed at both ends of the first slide plate (4), the other end of the sliding block (48) being slidably connected to a sliding groove (15) provided on the inner side wall of the bracket (1), and a first spring (22) being provided on a sliding sleeve at a section of the outer side of the first sliding column (21) between the first mounting plate (2) and the first slide plate (4).

5. A belt conveyor for coal mines according to claim 4, characterized in that: Three groups of supporting and degreasing components are arranged at the upper end of the first slide plate (4), the middle supporting and degreasing component is arranged horizontally, and the supporting and degreasing components on both sides are arranged inclinedly.

6. A belt conveyor for coal mines according to claim 5, characterized in that: The supporting oil removal assembly comprises a mounting frame (41) fixed to the upper end of the first slide plate (4) and an oil collecting tank (46), wherein the mounting frame (41) is symmetrically arranged in two groups, the oil collecting tank (46) is located between the two groups of mounting frames (41), and a scraper (47) is fixedly installed inside the oil collecting tank (46), and a mounting column (42) rotatably connected to the two groups of mounting frames (41) is arranged above the scraper (47), and a first roller (43) is fixedly sleeved on the outer side of the mounting column (42), a semiconductor refrigeration block (45) is installed inside the first roller (43), and an oil absorbing felt (44) is fixedly sleeved on the outer side; The mounting frames (41) at both ends of the middle supporting oil removal assembly have the same height, while the mounting frames (41) at both ends of the supporting oil removal assembly on both sides have different heights and are higher on the outside and lower on the inside.

7. A belt conveyor for coal mines according to claim 4, characterized in that: A cover (11) is fixedly mounted on both sides of the upper end of the bracket (1), a controller (112) is mounted on the cover (11), and a plurality of electric push rods (111) are fixedly mounted inside the cover (11), the output ends of the electric push rods (111) being arranged in contact with the surface of the slider (48).

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