Electromechanical conveying and tensioning device for coal mine

Abstract

The utility model relates to the technical field of coal mine electromechanical conveying, in particular to a coal mine electromechanical conveying tensioning device which comprises a shell, a plurality of rollers, a conveying belt and a tensioning mechanism, the tensioning mechanism comprises two driving assemblies, two moving blocks, a rotating shaft, a rotating roller, a mounting plate and a pressure assembly, the shell is provided with two through grooves, the rollers are rotationally connected with the shell, and the conveying belt is arranged on the conveying belt. The conveying belt is in transmission connection with the rollers, the two driving assemblies are arranged at the two ends of the shell, one ends of the two moving blocks are arranged at the output ends of the two driving assemblies correspondingly, the other ends of the two moving blocks extend into the shell through the two through grooves correspondingly, and the two ends of the rotating shafts are rotationally connected with the two rotating shafts correspondingly. The rotating roller is rotationally connected with the rotating shaft, the mounting plate is fixedly connected with the shell, the pressure assembly is arranged between the mounting plate and the conveying belt, the conveying belt is tensioned through the tensioning mechanism, the phenomena of loosening and slipping of the conveying belt are avoided, and the conveying efficiency of a coal mine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromechanical transportation in coal mines, in particular to an electromechanical transportation tensioning device for coal mines. Background Art

[0002] Coal mines are areas where humans mine coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. The mining of coal mines requires the use of coal mine electromechanical transportation conveying transmission devices to transport coal. The current coal mine electromechanical transportation conveying transmission devices are not convenient for filtering large pieces of coal during use, which easily increases the load on the conveyor belt and affects the service life of the conveyor belt. In addition, the coal mine electromechanical transportation conveying transmission devices are not easy to carry, which increases the difficulty of handling for operators.

[0003] In the patent application with prior art publication number CN211254257U, a conveying transmission device for electromechanical transportation of coal mines is disclosed, which includes a shell, multiple rollers and a conveyor belt. The coal mine is placed on the conveyor belt for transportation, and the service life of the device is relatively long.

[0004] However, in the existing technology, during the coal mine transportation process, the belt conveyor will cause the length of the conveyor belt to change due to load changes, and the creep phenomenon will also cause the conveyor belt to stretch. The conveyor belt will become loose and cause slipping, deviation, etc., resulting in low coal mine transportation efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide an electromechanical conveying tensioning device for coal mines, which aims to solve the problem in the prior art that, during coal mine transportation, the belt conveyor will cause the length of the conveyor belt to change due to load changes, the creep phenomenon will also cause the conveyor belt to stretch, and the conveyor belt will become loose, resulting in slipping, deviation, etc., and the transportation efficiency of the coal mine is low.

[0006] To achieve the above-mentioned purpose, the utility model provides a coal mine electromechanical conveying tensioning device, including a shell, multiple rollers, a conveyor belt and a tensioning mechanism, the tensioning mechanism including two drive assemblies, two moving blocks, a rotating shaft, a rotating roller, a mounting plate and a pressure assembly, the shell has two through slots, multiple rollers are rotatably connected to the shell and are located in the shell, the conveyor belt is transmission-connected to the multiple rollers, the two drive assemblies are arranged at both ends of the shell, one end of the two moving blocks is respectively arranged on the output ends of the two drive assemblies, the other ends of the two moving blocks extend into the shell through the two through slots respectively, the two ends of the rotating shaft are rotationally connected to the two rotating shafts respectively, the rotating roller is rotatably connected to the rotating shaft and is transmission-connected to the conveyor belt, the mounting plate is fixedly connected to the shell and is located in the shell, and the pressure assembly is arranged between the mounting plate and the conveyor belt.

[0007] Among them, the driving assembly includes a mounting bracket, a driving motor and a screw rod, the mounting bracket is fixedly connected to the shell, the driving motor is fixedly connected to the mounting bracket, the screw rod is fixedly connected to the output end of the driving motor and extends into the mounting bracket, and the moving block is threadedly connected to the screw rod.

[0008] Wherein, the driving assembly further includes a limiting column, the limiting column is fixedly connected to the housing and is located in the through slot, and the moving block is slidably connected to the limiting column.

[0009] Among them, the pressure assembly includes two telescopic kits, two support frames, a pressure shaft and a pressure roller. The two telescopic kits are arranged at both ends of the mounting frame, and the two support frames are respectively arranged above the two telescopic kits. The two ends of the pressure shaft are respectively rotatably connected to the two support frames, and the pressure roller is rotatably connected to the pressure shaft and is transmission-connected to the conveyor belt.

[0010] Among them, the telescopic kit includes a telescopic spring and a telescopic rod, the two ends of the telescopic spring are fixedly connected to the mounting plate and the support frame respectively, and the two ends of the telescopic rod are fixedly connected to the mounting plate and the support frame respectively, and are located on the telescopic spring.

[0011] Wherein, the coal mine electromechanical conveying and tensioning device further includes a scraper, which is fixedly connected to the shell and is located inside the shell.

[0012] The utility model discloses an electromechanical conveying and tensioning device for a coal mine, wherein the conveyor belt transports coal mines, and when the conveyor belt is stretched due to load changes, the pressure component pushes the conveyor belt upward, and a bulge appears on the conveyor belt. The operator starts the two driving components at the same time, and the two driving components respectively drive the two moving blocks to press down, and the two moving blocks drive the rotating roller and the rotating shaft to press down, and drive one end of the conveyor belt to move downward until the bulge on the conveyor belt disappears and the conveyor belt is tightened. At this time, the conveyor belt is in a taut state, and the pressure component contracts due to the pressure of the conveyor belt. The device tightens the stretched conveyor belt to ensure that the conveyor belt will not become loose and cause slipping, deviation, etc., thereby improving the transportation efficiency of the coal mine. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0014] Figure 1 It is a structural schematic diagram of a coal mine electromechanical conveying and tensioning device of the present utility model.

[0015] Figure 2 It is a cross-sectional view of the electromechanical conveying and tensioning device for coal mines of the present invention.

[0016] Figure 3 It is a front view of the coal mine electromechanical conveying and tensioning device of the present utility model.

[0017] Figure 4 This utility model Figure 3 AA line section view.

[0018] 101-shell, 102-roller, 103-conveyor belt, 104-mounting frame, 105-drive motor, 106-moving block, 107-limiting column, 108-rotating shaft, 109-rotating roller, 110-mounting plate, 111-telescopic rod, 112-telescopic spring, 113-support frame, 114-pressure shaft, 115-pressure roller, 116-through slot, 117-scraper, 118-screw. DETAILED DESCRIPTION

[0019] See also Figures 1 to 4 ,in, Figure 1 This is a structural diagram of the utility model of the electromechanical conveying and tensioning device for coal mines. Figure 2 This is a cross-sectional view of the utility model of the electromechanical conveying and tensioning device for coal mines. Figure 3 This is a front view of the coal mine electromechanical conveying and tensioning device of the utility model. Figure 4 This utility model Figure 3 AA line section view.

[0020] The utility model provides a coal mine electromechanical conveying tensioning device, including a shell 101, multiple rollers 102, a conveyor belt 103, a scraper 117 and a tensioning mechanism, the tensioning mechanism including two drive components, two moving blocks 106, a rotating shaft 108, a rotating roller 109, a mounting plate 110 and a pressure component, the shell 101 has two through slots 116, the drive component includes a mounting frame 104, a drive motor 105, a limit column 107 and a screw rod 118, the pressure component includes two telescopic kits, two support frames 113, a pressure shaft 114 and a pressure roller 115, the telescopic kit includes a telescopic spring 112 and a telescopic rod 111, and the above-mentioned solution solves the problem in the prior art that during coal mine transportation, the belt conveyor will cause the conveyor belt 103 to change in length due to load changes, the creep phenomenon will also cause the conveyor belt to stretch, and the conveyor belt 103 will be loose, resulting in slipping, deviation, etc., and the transportation efficiency of the coal mine is low.

[0021] In this embodiment, the shell 101 has two through slots 116, and the plurality of rollers 102 are rotatably connected to the shell 101 and are located inside the shell 101. The conveyor belt 103 is transmission-connected to the plurality of rollers 102, and the two driving components are arranged at both ends of the shell 101. One end of the two moving blocks 106 is respectively arranged on the output ends of the two driving components, and the other ends of the two moving blocks 106 extend into the shell 101 through the two through slots 116 respectively. The two ends of the rotating shaft 108 are rotationally connected to the two rotating shafts 108 respectively, the rotating roller 109 is rotationally connected to the rotating shaft 108, and is transmission-connected to the conveyor belt 103, the mounting plate 110 is fixedly connected to the shell 101 and is located inside the shell 101, and the pressure component is arranged between the mounting plate 110 and the transmission The conveyor belt 103 transports coal between the conveyor belts 103. When the conveyor belt 103 is stretched due to load changes, the pressure component pushes the conveyor belt 103 upward, and a bulge appears on the conveyor belt 103. The operator starts the two driving components at the same time. The two driving components drive the two moving blocks 106 to press down respectively. The two moving blocks 106 drive the rotating rollers 109 and the rotating shaft 108 to press down, and drive one end of the conveyor belt 103 to move downward until the bulge on the conveyor belt 103 disappears and the conveyor belt 103 is tightened. At this time, the conveyor belt 103 is in a taut state, and the pressure component contracts due to the pressure of the conveyor belt 103. The device tightens the stretched conveyor belt 103 to ensure that the conveyor belt 103 will not relax and cause slipping, deviation, etc., thereby improving the transportation efficiency of the coal mine.

[0022] Furthermore, the two telescopic kits are arranged at both ends of the mounting frame 104, the two support frames 113 are respectively arranged above the two telescopic kits, the two ends of the pressure shaft 114 are respectively rotatably connected to the two support frames 113, the pressure roller 115 is rotatably connected to the pressure shaft 114, and is transmission-connected to the conveyor belt 103.

[0023] Furthermore, both ends of the telescopic spring 112 are fixedly connected to the mounting plate 110 and the support frame 113 , respectively. Both ends of the telescopic rod 111 are fixedly connected to the mounting plate 110 and the support frame 113 , respectively, and are located on the telescopic spring 112 .

[0024] In this embodiment, when the conveyor belt 103 is stretched and becomes loose, the downward pressure of the conveyor belt 103 on the pressure roller 115 is reduced. At this time, the two telescopic springs 112 and the two telescopic rods 111 are extended and push up the pressure roller 115. A bulge appears in the middle of the conveyor belt 103, which reflects that the conveyor belt 103 is loose and needs to be tightened.

[0025] Furthermore, the mounting bracket 104 is fixedly connected to the shell 101 , the drive motor 105 is fixedly connected to the mounting bracket 104 , the screw rod 118 is fixedly connected to the output end of the drive motor 105 and extends into the mounting bracket 104 , and the moving block 106 is threadedly connected to the screw rod 118 .

[0026] Furthermore, the limiting post 107 is fixedly connected to the housing 101 and is located in the through slot 116 , and the moving block 106 is slidably connected to the limiting post 107 .

[0027] In this embodiment, when the conveyor belt 103 is tightened, the two driving motors 105 are started at the same time, and the two driving motors 105 respectively drive the two screw rods 118 to rotate, and the two screw rods 118 respectively drive the two moving blocks 106 to press down, and the limiting column 107 plays a limiting and guiding role in the movement of the moving block 106, and reduces the stress on the moving block 106. The two moving blocks 106 drive the rotating roller 109 and the rotating shaft 108 to press down, and drive one end of the conveyor belt 103 to move downward until the protrusion on the conveyor belt 103 disappears, and the conveyor belt 103 is tightened. At this time, the conveyor belt 103 is in a taut state, and the pressure on the two telescopic springs 112 increases, so the two telescopic springs 112 contract, and the device tightens the extended conveyor belt 103 to ensure that the conveyor belt 103 will not relax and cause slipping, deviation, etc., thereby improving the transportation efficiency of the coal mine.

[0028] Furthermore, the scraper 117 is fixedly connected to the housing 101 and is located inside the housing 101 .

[0029] In this embodiment, when the conveyor belt 103 transports coal, part of the coal adheres to the conveyor belt 103 , and the scraper 117 scrapes the coal off, thereby keeping the conveyor belt 103 clean.

[0030] When the utility model is used to transport coal, when the conveyor belt 103 is stretched and becomes loose, the downward pressure of the conveyor belt 103 on the pressure roller 115 is reduced. At this time, the two telescopic springs 112 and the two telescopic rods 111 are stretched and push the pressure roller 115 upward. A bulge appears in the middle of the conveyor belt 103, thereby reflecting that the conveyor belt 103 is loose. When the conveyor belt 103 is tightened, the two driving motors 105 are started at the same time. The two driving motors 105 respectively drive the two screw rods 118 to rotate, and the two screw rods 118 respectively drive the two moving blocks 106 to press down, and the limiting column 107 presses the moving block 1 The movement of 06 plays a role of limiting guidance and reduces the stress borne by the moving block 106. The two moving blocks 106 drive the rotating roller 109 and the rotating shaft 108 to press down, and drive one end of the conveyor belt 103 to move downward until the protrusion on the conveyor belt 103 disappears and the conveyor belt 103 is tightened. At this time, the conveyor belt 103 is in a taut state, and the pressure on the two telescopic springs 112 increases. Therefore, the two telescopic springs 112 contract, and the device tightens the extended conveyor belt 103 to ensure that the conveyor belt 103 will not relax and cause slipping, deviation, etc., thereby improving the transportation efficiency of the coal mine.

[0031] The above disclosure is only a preferred embodiment of the present application and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present application are still within the scope covered by the present application.

Claims

1. A coal mine electromechanical conveying and tensioning device, comprising a housing, a plurality of rollers and a conveyor belt, wherein the plurality of rollers are rotatably connected to the housing and are located inside the housing, and the conveyor belt is drivingly connected to the plurality of rollers, characterized in that: It also includes a tensioning mechanism, which includes two drive assemblies, two moving blocks, a rotating shaft, a rotating roller, a mounting plate and a pressure assembly. The shell has two through slots, and the two drive assemblies are arranged at both ends of the shell. One end of the two moving blocks is respectively arranged on the output ends of the two drive assemblies, and the other ends of the two moving blocks extend into the shell through the two through slots respectively. The two ends of the rotating shaft are respectively rotatably connected to the two rotating shafts, the rotating roller is rotatably connected to the rotating shaft and is transmission-connected to the conveyor belt. The mounting plate is fixedly connected to the shell and is located in the shell. The pressure assembly is arranged between the mounting plate and the conveyor belt.

2. The electromechanical conveying and tensioning device for coal mines according to claim 1, characterized in that: The driving assembly includes a mounting bracket, a driving motor and a screw rod. The mounting bracket is fixedly connected to the housing, the driving motor is fixedly connected to the mounting bracket, the screw rod is fixedly connected to the output end of the driving motor and extends into the mounting bracket, and the moving block is threadedly connected to the screw rod.

3. The electromechanical conveying and tensioning device for coal mines according to claim 2, characterized in that: The driving assembly further includes a limiting column, which is fixedly connected to the housing and located in the through slot, and the moving block is slidably connected to the limiting column.

4. The electromechanical conveying and tensioning device for coal mines according to claim 3, characterized in that: The pressure assembly includes two telescopic kits, two support frames, a pressure shaft and a pressure roller. The two telescopic kits are arranged at both ends of the mounting frame, and the two support frames are respectively arranged above the two telescopic kits. The two ends of the pressure shaft are respectively rotatably connected to the two support frames, and the pressure roller is rotatably connected to the pressure shaft and is transmission-connected to the conveyor belt.

5. The electromechanical conveying and tensioning device for coal mines according to claim 4, characterized in that: The telescopic kit includes a telescopic spring and a telescopic rod, the two ends of the telescopic spring are respectively fixedly connected to the mounting plate and the support frame, the two ends of the telescopic rod are respectively fixedly connected to the mounting plate and the support frame, and are located on the telescopic spring.

6. The electromechanical conveying and tensioning device for coal mines according to claim 5, characterized in that: The coal mine electromechanical conveying and tensioning device further comprises a scraper, which is fixedly connected to the shell and is located inside the shell.

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