Underground coal flow conveying equipment for coal mine
By introducing a tensioning mechanism into underground coal flow conveying equipment in coal mines, and utilizing worm gear meshing and motor drive, automated tension adjustment is achieved, solving the problem of manual adjustment in existing technologies and improving equipment operating efficiency and conveyor belt life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-03-24
AI Technical Summary
Existing underground coal flow conveying equipment in coal mines is difficult to control precisely, requiring manual adjustment when the equipment is stopped, resulting in low operating efficiency and high labor intensity.
The tensioning mechanism, consisting of a U-shaped seat, rotating column, top rod, and roller, is connected by a worm gear and worm wheel and driven by a motor to achieve automated tension adjustment and reduce manual intervention.
It enables precise tension control of coal flow conveying equipment in underground coal mines, improving operating efficiency and conveyor belt life, while reducing labor intensity and risks.
Smart Images

Figure CN224029939U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mine underground coal flow conveying technical field, concretely to a coal mine underground coal flow conveying equipment. BACKGROUND
[0002] Coal is one of the most important basic energy in the world, is widely used in electric power, steel, chemical industry, building material industry, coal is mined in underground, coal mine underground coal flow conveying equipment usually adopts belt conveyor, in the conveying process, the conveying belt will gradually relax due to various reasons (such as temperature change, wear, elongation etc.
[0003] The existing coal mine underground coal flow conveying equipment, workers place the mined coal on the conveying belt for conveying, when adjusting the tension of the conveying belt, using wrench etc. rotate the screw rod, make the tensioning device move forward, increase the tension of the conveying belt.
[0004] The existing coal mine underground coal flow conveying equipment, manual adjustment is difficult to realize accurate tension control, needs manual adjustment under the equipment shutdown state, therefore, we propose a coal mine underground coal flow conveying equipment. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem of overcoming the existing defects, provides a coal mine underground coal flow conveying equipment, can realize accurate tension control, the intelligent degree is high, improves the operation efficiency and life of conveying belt, the personnel participation intensity is small, reduces the difficulty and risk of work, can effectively solve the problems in the background art.
[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a coal mine underground coal flow conveying equipment, including the frame, the left and right sides of the frame are respectively connected with transmission roller, the transmission roller is drivenly connected through the conveying belt between two transmission rollers, the front and rear sides of the frame are respectively equipped with support, the support between two supports in the middle of the frame is equipped with the support plate, further including the tensioning mechanism.
[0007] The tensioning mechanism includes U-shaped seat, rotating column, jacks and drum, the upper surface of the support plate is respectively equipped with U-shaped seat, the inner part of U-shaped seat is respectively connected with rotating column, the outer part of rotating column is respectively fixed with jacks, the upper end of jacks is respectively connected with drum, can realize accurate tension control, the intelligent degree is high, improves the operation efficiency and life of conveying belt, the personnel participation intensity is small, reduces the difficulty and risk of work.
[0008] Further, the front side of the frame is equipped with single-chip microcomputer, the input end of single-chip microcomputer is electrically connected with external power supply, provides each electric appliance electric connection.
[0009] Further, the tensioning mechanism further comprises a worm gear and a worm, the outer part of the rotating column is respectively fixedly sleeved with the worm gear, the worm is rotatably connected with the upper surface of the supporting plate, the worm gear and the worm are meshingly connected, and stable tensioning is realized.
[0010] Further, the tensioning mechanism further comprises a motor one, the motor one is arranged at the bottom end of the supporting plate, the top end of the output shaft of the motor one is fixedly connected with the bottom end of the worm, and the input end of the motor one is electrically connected with the output end of the single-chip microcomputer, so that tensioning driving is provided.
[0011] Further, the upper end of each supporting seat is provided with a connecting rod, one end of the connecting rod close to the center of the frame body is fixedly connected with a baffle, and spilling during transportation is reduced.
[0012] Further, the upper surface of the frame body is provided with a motor two, the rear end of the output shaft of the motor two is fixedly connected with a belt pulley two, the front end of the right transmission roller is fixedly connected with a belt pulley one, the belt pulley one and the belt pulley two are connected through a belt, the input end of the motor two is electrically connected with the output end of the single-chip microcomputer, and transportation driving is realized.
[0013] Further, supporting rollers are further arranged, the supporting rollers are rotatably connected between two adjacent supporting seats in front of and behind each other, the supporting rollers are installed in cooperation with the conveying belt, and transportation capacity is enhanced.
[0014] Compared with the prior art, the coal mine underground coal flow conveying equipment has the following advantages.
[0015] The worm drives the meshed worm gear to rotate, the rotating drives the jacking rod to rotate in the U-shaped seat, the drum contacts the top of the conveying belt, the tension of the conveying belt is adjusted, manual adjustment is not needed in the equipment shutdown state by means of other tools, the coal mine underground coal flow conveying efficiency is improved, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structural schematic view of the utility model;
[0017] Fig. 2 It is a structural schematic view of the utility model front side section;
[0018] Fig. 3 It is a structural schematic view of the utility model tensioning.
[0019] In the drawing: 1 frame body, 2 transmission roller, 3 conveying belt, 4 supporting seat, 5 supporting plate, 6 tensioning mechanism, 61 U-shaped seat, 62 rotating column, 63 jacking rod, 64 drum, 65 worm gear, 66 worm, 67 motor one, 7 connecting rod, 8 baffle, 9 supporting roller, 10 single-chip microcomputer, 11 belt pulley one, 12 belt pulley two, 13 motor two. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0021] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a coal mine underground coal flow conveying equipment, which comprises a frame body 1, transmission rollers 2 are rotatably connected to the left and right sides of the frame body 1 respectively, two transmission rollers 2 are drivingly connected through a conveying belt 3, the front and rear sides of the frame body 1 are respectively provided with supports 4, a support plate 5 is arranged between the two supports 4 in the middle of the frame body 1, and the frame body 1 further comprises a tensioning mechanism 6, the front side of the frame body 1 is provided with a single-chip microcomputer 10, an input end of the single-chip microcomputer 10 is electrically connected with an external power supply, upper ends of the supports 4 are respectively provided with connecting rods 7, one ends of the connecting rods 7 close to the center of the frame body 1 are fixedly connected with baffles 8, coal falling during transportation is reduced, the upper surface of the frame body 1 is provided with a motor two 13, a belt pulley two 12 is fixedly connected to the rear end of an output shaft of the motor two 13, the front end of the transmission roller 2 on the right side is fixedly connected with a belt pulley one 11, the belt pulley one 11 and the belt pulley two 12 are connected through a belt, an input end of the motor two 13 is electrically connected with an output end of the single-chip microcomputer 10, and the frame body 1 further comprises supporting rollers 9, the supporting rollers 9 are rotatably connected between two adjacent supports 4 in front and back, the supporting rollers 9 are cooperatively installed with the conveying belt 3, the conveying efficiency is prevented from being affected by collapse during transportation to the middle, when the conveying equipment needs to be used during coal mining underground, the frame body 1 is placed at a proper position, the motor two 13 starts to operate through the regulation and control of the single-chip microcomputer 10, the output shaft drives the belt pulley two 12 to rotate, the belt pulley one 11 starts to rotate through the belt, and then the transmission roller 2 on the right side starts to operate, so that the conveying belt 3 starts to operate, and the mined coal is placed on the upper end of the conveying belt 3 for conveying.
[0022] The tensioning mechanism 6 comprises a U-shaped seat 61, a rotating column 62, a jacking rod 63 and a roller 64, the upper surface of the support plate 5 is respectively provided with the U-shaped seat 61, the inner part of the U-shaped seat 61 is respectively rotationally connected with the rotating column 62, the outer part of the rotating column 62 is respectively fixedly sleeved with the jacking rod 63, the upper end of the jacking rod 63 is respectively rotationally connected with the roller 64, the tensioning mechanism 6 further comprises a worm wheel 65 and a worm 66, the outer part of the rotating column 62 is respectively fixedly sleeved with the worm wheel 65, the worm 66 is rotationally connected with the upper surface of the support plate 5, the worm wheel 65 is meshingly connected with the worm 66, the tensioning mechanism 6 further comprises a motor one 67, the motor one 67 is arranged at the bottom end of the support plate 5, the output shaft top end of the motor one 67 is fixedly connected with the bottom end of the worm 66, the input end of the motor one 67 is electrically connected with the output end of the single-chip microcomputer 10, when the conveying belt 3 needs to be tensioned after long time use, the motor one 67 starts to operate under the control of the single-chip microcomputer 10, the output shaft drives the worm 66 to start rotating, the meshed worm wheel 65 starts to rotate, the rotating column 62 rotates in the U-shaped seat 61, the jacking rod 63 moves upward, the roller 64 contacts the bottom end of the conveying belt 3, and the motor one 67 stops rotating when the tightening reaches the required degree.
[0023] The working principle of the coal mine underground coal flow conveying equipment is as follows: when the conveying equipment needs to be used during coal mining underground, the frame body 1 is placed at a proper position, the motor two 13 starts to operate under the control of the single-chip microcomputer 10, the output shaft drives the belt pulley two 12 to rotate, the belt pulley one 11 starts to rotate through the belt, and the right transmission roller 2 starts to operate, so that the transmission belt 3 starts to operate, the mined coal is placed on the upper end of the conveying belt 3 for conveying, the motor one 67 starts to operate under the control of the single-chip microcomputer 10 when the conveying belt 3 needs to be tensioned after long time use, the output shaft drives the worm 66 to start rotating, the meshed worm wheel 65 starts to rotate, the rotating column 62 rotates in the U-shaped seat 61, the jacking rod 63 moves upward, the roller 64 contacts the bottom end of the conveying belt 3, and the motor one 67 stops rotating when the tightening reaches the required degree.
[0024] It is worth noting that the single-chip microcomputer 10, the motor one 67 and the motor two 13 disclosed in the above embodiment can be selected as follows: the single-chip microcomputer 10 can be selected as PIC10F200, the motor one 67 can be selected as D180M-0160030B-E, and the motor two 13 can be selected as Y180L-615; the single-chip microcomputer 10 controls the motor one 67 and the motor two 13 to work by using the method commonly used in the prior art.
[0025] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion by using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A coal mine underground coal flow conveying device, comprising a frame body (1), the left and right sides of the frame body (1) are respectively rotationally connected with transmission rollers (2), the two transmission rollers (2) are transmissionally connected through a conveying belt (3), the front and rear sides of the frame body (1) are respectively provided with supports (4), and the two supports (4) located in the middle part of the frame body (1) are provided with a support plate (5), characterized in that: Also include tensioning mechanism (6); The tensioning mechanism (6) comprises a U-shaped seat (61), a rotating column (62), a top rod (63) and a roller (64), the upper surface of the support plate (5) is respectively provided with a U-shaped seat (61), the inner part of the U-shaped seat (61) is respectively connected with a rotating column (62), the outer part of the rotating column (62) is respectively fixed with a top rod (63), the upper end of the top rod (63) is respectively connected with a roller (64).
2. An underground coal flow conveyor for coal mines as claimed in claim 1 wherein: The front side of the frame body (1) is provided with a single-chip microcomputer (10), and the input end of the single-chip microcomputer (10) is electrically connected with an external power supply.
3. An underground coal flow conveyor for coal mines as claimed in claim 2 wherein: The tensioning mechanism (6) further comprises a worm wheel (65) and a worm (66), the outer part of the rotating column (62) is respectively fixed with a worm wheel (65), the worm (66) is rotatably connected with the upper surface of the support plate (5), and the worm wheel (65) is meshed with the worm (66).
4. A coal mine underground coal flow conveying apparatus according to claim 3, characterised in that: The tensioning mechanism (6) further comprises a motor (67), the motor (67) is arranged at the bottom end of the support plate (5), the output shaft top end of the motor (67) is fixedly connected with the bottom end of the worm (66), and the input end of the motor (67) is electrically connected with the output end of the single-chip microcomputer (10).
5. An underground coal conveyance as claimed in claim 1 wherein: The upper end of the support (4) is respectively provided with a connecting rod (7), one end of the connecting rod (7) close to the center of the frame body (1) is fixedly connected with a baffle (8).
6. An underground coal conveyance as claimed in claim 2 wherein: The upper surface of the frame body (1) is provided with a motor (13), the rear end of the output shaft of the motor (13) is fixedly connected with a belt pulley (12), the front end of the right transmission roller (2) is fixedly connected with a belt pulley (11), the belt pulley (11) and the belt pulley (12) are connected through a belt, and the input end of the motor (13) is electrically connected with the output end of the single-chip microcomputer (10).
7. An underground coal conveyance as claimed in claim 1 wherein: Further comprising a supporting roller (9), the supporting roller (9) is rotatably connected between two adjacent support (4) between front and back, the supporting roller (9) is installed in cooperation with the conveying belt (3).