Coal mine transportation equipment for underground mining of coal mine

By designing the grab, lift and switch mechanism of coal mine transportation equipment, coal is automatically transferred from the transportation trolley to the conveyor belt, solving the problem of time and labor waste caused by manual loading and unloading by workers, and achieving efficient coal transportation.

CN222333855UActive Publication Date: 2025-01-10SHAANXI YONGYAN ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202420366010.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-28
Publication Date
2025-01-10
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

During underground mining of coal mines, workers manually load coal into transport trucks and pour them into conveyor belts, resulting in waste of time and labor.

Method used

A coal mine transportation equipment is designed, including a base plate, a moving device, a lifting mechanism, a grabbing mechanism and a switch mechanism. The coal is automatically placed into the load box through the grabbing mechanism. The lifting mechanism adjusts the height of the load box and opens it through the switch mechanism. The discharge port causes the coal to slide onto the conveyor belt.

Benefits of technology

No manual loading and unloading by workers is required, which improves loading and unloading efficiency, saves time and labor, and meets the needs of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The coal mine transportation equipment comprises a bottom plate, a moving device is arranged at the bottom of the bottom plate, a plurality of sets of sleeves are arranged on the surface of the bottom plate, lifting mechanisms are installed in the sleeves, a carrying box is fixedly connected to the tops of the lifting mechanisms, and an inclined plate is arranged in the carrying box. A discharging port is formed in the position, at the bottommost end of the inclined plate, of one side of the carrying box, and a switching mechanism is arranged at the discharging port. A rotating mechanism is arranged on the right side of the surface of the bottom plate and comprises a rotating plate, fixing frames are symmetrically arranged on the surface of the rotating plate, and grabbing mechanisms are slidably arranged in the fixing frames. The grabbing mechanism is arranged to grab coal and put the coal into the object carrying box, then the height of the object carrying box and the height of the discharging port are adjusted through the lifting mechanism, the height of the discharging port can be matched with the height of the conveying belt at different positions, and finally the discharging port is opened through the switching mechanism, so that the coal slides onto the conveying belt. Manual loading and unloading of coal by workers are not needed, and convenience and rapidness are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of coal mine transportation, in particular to coal mine transportation equipment used for underground mining in coal mines. Background Art

[0002] Coal mines are areas where humans exploit coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, people generally choose to dig tunnels underground to mine coal. This is an underground coal mine. When the coal seam is very close to the surface, people generally choose to directly peel off the surface soil layer to mine coal. This is an open-pit coal mine. The vast majority of coal mines in my country are underground coal mines.

[0003] Generally, when mining coal, workers are mostly responsible for loading the coal into transport carts, and then pouring the coal in the transport carts onto conveyor belts, which are then transported to designated locations. Since workers manually load and unload the coal, this method wastes a lot of time and is too laborious. Utility Model Content

[0004] The purpose of the utility model is to provide a coal transport equipment for underground coal mining, so as to solve the problem raised in the above-mentioned background technology that in general, when mining coal, workers are mostly relied on to load the coal into a transport cart, and then pour the coal in the transport cart onto a conveyor belt, which is transported to a designated location by the conveyor belt. Since the workers manually load and unload the coal, this method leads to a waste of a lot of time in loading and unloading the coal and is too laborious.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A coal transportation equipment for underground mining in coal mines, including a base plate, a moving device is arranged at the bottom of the base plate, a plurality of sleeves are arranged on the surface of the base plate, a lifting mechanism is installed in the sleeve, a cargo box is fixedly connected to the top of the lifting mechanism, an inclined plate is arranged inside the cargo box, a discharge port is opened at one side of the cargo box and the bottom end of the inclined plate, and a switch mechanism is arranged at the discharge port; a rotating mechanism is arranged on the right side of the base plate surface, the rotating mechanism includes a rotating plate, a fixed frame is arranged on the surface of the rotating plate, and a grabbing mechanism is slidably arranged in the fixed frame.

[0007] Furthermore, a stepper motor is arranged on the top of the fixed frame, the output end of the stepper motor passes through the fixed frame and is fixedly connected to a first screw rod, the other end of the first screw rod is rotatably connected to the bottom of the fixed frame, the first screw rod is threadedly connected to a lifting plate, and the bottom of one end of the lifting plate is fixedly connected to the grabbing mechanism through a connecting piece.

[0008] Furthermore, a guide rod is fixedly connected to the interior of the fixed frame, and the lifting plate is slidably connected to the guide rod.

[0009] Furthermore, the grabbing mechanism includes a connecting frame, a servo motor is arranged at the left end of the connecting frame, the output end of the servo motor passes through the connecting frame and is fixedly connected with a threaded rod, the other end of the threaded rod is rotatably connected to the right end of the connecting frame, the threads opened at both ends of the threaded rod rotate in opposite directions, and the left and right ends of the threaded rod are respectively threadedly connected with a first grabbing member and a second grabbing member.

[0010] Furthermore, a plurality of fixing rods are fixedly connected in the connection frame, and the fixing rods are respectively arranged on both sides of the threaded rod, and the first grabbing member and the second grabbing member are both slidably connected to the fixing rods.

[0011] Furthermore, the lifting mechanism includes a second screw rod, which is rotatably connected to the inside of the sleeve, and guide rails are fixedly installed on both sides of the inside of the sleeve. The outer surface of the guide rail is slidably connected to a lifting block, and the lifting block is threadedly connected to the outer surface of the second screw rod, and both sides of the top of the lifting block are fixedly connected to the bottom end of the cargo box through connecting plates. The bottom end of the second screw rod passes through the top wall of the bottom plate and is fixedly installed with a driving mechanism.

[0012] Furthermore, the driving mechanism includes multiple groups of fixed plates, and the multiple groups of fixed plates are fixedly installed on both sides of the bottom end of the base plate, and the fixed plates on both sides are rotatably connected with rotating rods, and second bevel gears are fixedly provided at both ends of the rotating rods, and the second bevel gears are meshed with the first bevel gear set at one end of the second screw rod passing through the base plate, and a third bevel gear is installed in the middle of the rotating rod, and a dual-axis motor is fixedly installed at the bottom end of the base plate, and both output ends of the dual-axis motor are fixedly connected with rotating parts, and the other end of the rotating part is fixedly installed with a fourth bevel gear meshed with the third bevel gear, and the rotating part is rotatably connected to the inside of the fixed part.

[0013] Furthermore, the switch mechanism includes a mounting plate, which is fixedly mounted on the outside of the cargo box and above the discharge port. A plurality of electric push rods are arranged on the surface of the mounting plate. The output ends of the electric push rods pass through the mounting plate and are fixedly connected to a cover plate. A material guide plate corresponding to the discharge port is arranged on the outside of the cargo box, and baffles are fixedly mounted on both sides of the surface of the material guide plate.

[0014] Furthermore, the rotating mechanism includes a slide groove, which is arranged on the surface of the base plate, and the bottom end of the rotating plate is fixedly connected with a slider adapted to the slide groove, and the slider is slidably connected inside the slide groove. A rotating shaft is arranged at the bottom of the rotating plate, and the rotating shaft is rotatably connected to the base plate through a bearing arranged on the base plate, and the lower end passes through the base plate, and one end of the rotating shaft passes through the base plate and is fixedly connected to the output end of the driving motor, and the driving motor is fixedly installed at the bottom of the base plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] A grabbing mechanism is provided to grab the coal and put it into the cargo box. Secondly, the height of the cargo box and the discharge port is adjusted by the lifting mechanism so that the height of the discharge port can be matched with the height of the conveyor belt at different positions. Finally, the discharge port is opened by the switch mechanism to allow the coal to slide onto the conveyor belt. Workers do not need to manually load and unload the coal, which is convenient and quick and meets the needs of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 Main view;

[0019] Figure 3 It is a schematic diagram of the lifting mechanism of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the mobile mechanism of the utility model;

[0021] Figure 5 For this utility model Figure 4 A partial enlarged view of the middle part;

[0022] In the figure: 1, bottom plate; 101, sleeve; 102, cargo box; 103, inclined plate; 104, cover plate; 105, mounting plate; 106, electric push rod; 107, guide plate; 108, baffle plate; 109, rotating plate; 110, driving motor; 2, lifting mechanism; 201, second screw rod; 202, guide rail; 203, lifting block; 204, connecting plate; 205, first bevel gear; 206, fixed plate; 207, rotating rod ; 208, second bevel gear; 209, third bevel gear; 210, dual-axis motor; 211, rotating member; 212, fourth bevel gear; 3, grabbing mechanism; 301, fixed frame; 302, first screw rod; 303, guide rod; 304, stepping motor; 305, lifting plate; 306, connecting frame; 307, threaded rod; 308, fixed rod; 309, servo motor; 310, first grabbing member; 311, second grabbing member. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] See also Figure 1-5 As shown, a coal transportation equipment for underground mining in a coal mine comprises a base plate 1, a moving device is arranged at the bottom of the base plate 1, four groups of sleeves 101 are arranged on the surface of the base plate 1, a lifting mechanism 2 is installed in the sleeves 101, a cargo box 102 is fixedly connected to the top of the lifting mechanism 2, an inclined plate 103 is arranged inside the cargo box 102, a discharge port is opened at one side of the cargo box 102 and the bottom end of the inclined plate 103, and a switch mechanism is arranged at the discharge port; a rotating mechanism is arranged on the right side of the surface of the base plate 1, and the rotating mechanism comprises a rotating plate 109, a fixed frame 301 is arranged on the surface of the rotating plate 109, and a grabbing mechanism 3 is slidably arranged in the fixed frame 301.

[0026] The rotating mechanism includes a slide groove, which is arranged on the surface of the base plate 1. A slider matched with the slide groove is fixedly connected to the bottom end of the rotating plate 109. The slider is slidably connected inside the slide groove, and the cooperation of the slider and the slide groove improves the rotation stability of the rotating plate 109. A rotating shaft is arranged at the bottom of the rotating plate 109. The rotating shaft is rotatably connected to the base plate 1 through a bearing arranged on the base plate 1, and the lower end passes through the base plate 1. One end of the rotating shaft passes through the base plate 1 and is fixedly connected to the output end of the driving motor 110. The driving motor 110 is fixedly installed at the bottom of the base plate 1, and the rotating shaft is driven to rotate by the driving motor 110, thereby driving the rotating plate 109 to rotate.

[0027] refer to Figure 4-Figure 5As shown: a stepper motor 304 is arranged on the top of the fixed frame 301, the output end of the stepper motor 304 passes through the fixed frame 301, and is fixedly connected to a first screw rod 302, the other end of the first screw rod 302 is rotatably connected to the bottom of the fixed frame 301, the first screw rod 302 is threadedly connected to a lifting plate 305, the bottom of one end of the lifting plate 305 is fixedly connected to the grasping mechanism 3 through a connecting piece, the interior of the fixed frame 301 is also fixedly connected to a guide rod 303, and the lifting plate 305 is slidably connected to the guide rod 303; the grasping mechanism 3 includes a connecting frame 306, the left side of the connecting frame A servo motor is provided at the side end, and the output end of the servo motor passes through the connecting frame and is fixedly connected with a threaded rod 307. The other end of the threaded rod 307 is rotatably connected to the right end of the connecting frame. The threads opened at both ends of the threaded rod 307 rotate in opposite directions, and the left and right ends of the threaded rod 307 are respectively threadedly connected with a first grabbing member 310 and a second grabbing member. A plurality of fixed rods 308 are also fixedly connected in the connecting frame 306. The fixed rods 308 are respectively arranged on both sides of the threaded rod 307, and the first grabbing member 310 and the second grabbing member 311 are both slidably connected to the fixed rod 308.

[0028] In this solution, a grabbing mechanism 3 is provided to grab the coal and put it into the cargo box 102. The specific method is as follows: the output end of the stepper motor 304 drives the second screw rod 201 to rotate, so that the lifting plate 305 moves downward, and then the first grabbing member 310 and the second grabbing member 311 move downward. Then, the output end of the servo motor 309 drives the threaded rod 307 to rotate, so that the first grabbing member 310 and the second grabbing member 311 approach each other to grab the coal, and then the output end of the stepper motor 304 drives the second screw rod 201 to rotate, so that the lifting plate 305 moves downward, and then the first grabbing member 310 and the second grabbing member 311 move downward. Driven by the output end, the first grabbing member 310 and the second grabbing member 311 that grab the coal move upward to a position higher than the top of the cargo box 102, and then the rotating plate 109 is driven to rotate by the output end of the driving motor 110, so that the first grabbing member 310 and the second grabbing member 311 are located directly above the cargo box 102. Finally, driven by the output end of the servo motor 309, the first grabbing member 310 and the second grabbing member 311 move away from each other, thereby realizing the automatic addition of coal into the interior of the cargo box 102.

[0029] Embodiment 2:

[0030] refer to Figure 3 As shown, the lifting mechanism 2 includes a second screw rod 201, which is rotatably connected to the inside of the sleeve 101, and guide rails 202 are fixedly installed on both sides of the inside of the sleeve 101. The outer surface of the guide rail 202 is slidably connected with a lifting block 203, and the lifting block 203 is threadedly connected to the outer surface of the second screw rod 201, and both sides of the top of the lifting block 203 are fixedly connected to the bottom end of the cargo box 102 through a connecting plate 204. The bottom end of the second screw rod 201 passes through the top wall of the base plate 1 and is fixedly installed with a driving mechanism.

[0031] refer to Figure 2 As shown, the driving mechanism includes multiple groups of fixed plates 206, and the multiple groups of fixed plates 206 are fixedly installed on both sides of the bottom end of the base plate 1. The interior of the fixed plates 206 on both sides is rotatably connected with a rotating rod 207, and second bevel gears 208 are fixedly provided at both ends of the rotating rod 207. The second bevel gear 208 is meshed with the first bevel gear 205 set at one end of the second screw rod 201 passing through the base plate, and a third bevel gear 209 is installed in the middle of the rotating rod. A dual-axis motor 210 is fixedly installed at the bottom end of the base plate 1, and both output ends of the dual-axis motor 210 are fixedly connected with a rotating member 211, and the other end of the rotating member 211 is fixedly installed with a fourth bevel gear 212 meshing with the third bevel gear 209, and the rotating member 211 is rotatably connected to the inside of the fixed member.

[0032] refer to Figure 1 As shown, the switch mechanism includes a mounting plate 105, which is fixedly mounted on the outside of the cargo box 102 and above the discharge port. A plurality of electric push rods 106 are arranged on the surface of the mounting plate 105, and the output ends of the electric push rods 106 pass through the mounting plate 105 and are fixedly connected to a cover plate 104. A guide plate 107 corresponding to the discharge port is arranged on the outside of the cargo box 102, and baffles 108 are fixedly mounted on both sides of the surface of the guide plate 107.

[0033] In this solution, when the coal in the cargo box 102 needs to be placed on the conveyor belt, it is convenient for the conveyor belt to transport the coal to the designated location. In real life, the heights of the multi-section conveyor belts are different in different working environments. The height of the cargo box 102 is adjusted by the lifting mechanism 2, thereby adjusting the height of the guide plate 107. The specific method is: the two output ends of the dual-axis motor 210 drive the rotating parts 211 and the fourth bevel gear 212 on both sides to rotate synchronously as a whole, thereby the third bevel gears 209 and the rotating rod 20 7 and the second bevel gear 208 rotate synchronously as a whole, so that the four groups of first screw rods 302 and the first bevel gear 205 rotate synchronously as a whole, driving the four groups of lifting blocks 203 and the connecting plate 204 to move up and down synchronously as a whole, thereby changing the height of the cargo box 102 and the guide plate 107, so that the height of the guide plate 107 can be adapted to the height of the conveyor belt at different positions. Finally, the output end of the electric push rod 106 is retracted, and the cover plate 104 moves upward to open the discharge port, so that the coal slides onto the conveyor belt, which is convenient and quick and meets the needs of the staff.

[0034] Working principle:

[0035] The coal is grabbed by a grabbing mechanism 3 and placed into the cargo box 102. The height of the cargo box 102 and the guide plate 107 are adjusted by the lifting mechanism 2 so that the height of the guide plate 107 can be matched with the height of the conveyor belt at different positions. Finally, the output end of the electric push rod 106 is retracted, and the cover plate 104 moves upward to open the discharge port, so that the coal slides onto the conveyor belt. There is no need for workers to manually load and unload the coal, which is convenient and quick, meeting the needs of the staff.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0037] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coal transport device for underground mining in a coal mine, comprising a bottom plate (1), wherein a moving device is arranged at the bottom of the bottom plate (1), characterized in that: The surface of the bottom plate (1) is provided with a plurality of sleeves (101), a lifting mechanism (2) is installed inside the sleeves (101), a cargo box (102) is fixedly connected to the top of the lifting mechanism (2), an inclined plate (103) is arranged inside the cargo box (102), a discharge port is opened at one side of the cargo box (102) and at the bottom end of the inclined plate (103), and a switch mechanism is arranged at the discharge port; a rotating mechanism is arranged on the right side of the surface of the bottom plate (1), the rotating mechanism comprises a rotating plate (109), a fixed frame (301) is arranged on the surface of the rotating plate (109), and a grabbing mechanism (3) is slidably arranged inside the fixed frame (301).

2. The coal transportation equipment for underground mining in a coal mine according to claim 1, characterized in that: A stepper motor (304) is arranged on the top of the fixed frame (301); an output end of the stepper motor (304) passes through the fixed frame (301) and is fixedly connected to a first screw rod (302); the other end of the first screw rod (302) is rotatably connected to the bottom of the fixed frame (301); the first screw rod (302) is threadedly connected to a lifting plate (305); and the bottom of one end of the lifting plate (305) is fixedly connected to the grasping mechanism (3) via a connecting piece.

3. The coal transportation equipment for underground mining in a coal mine according to claim 2, characterized in that: A guide rod (303) is also fixedly connected inside the fixed frame (301), and the lifting plate (305) is slidably connected to the guide rod (303).

4. The coal transportation equipment for underground mining in a coal mine according to claim 2, characterized in that: The gripping mechanism (3) comprises a connecting frame (306), a servo motor is arranged at the left end of the connecting frame, the output end of the servo motor passes through the connecting frame and is fixedly connected to a threaded rod (307), the other end of the threaded rod (307) is rotatably connected to the right end of the connecting frame, the threads at the two ends of the threaded rod (307) rotate in opposite directions, and the left and right ends of the threaded rod (307) are respectively threadedly connected to a first gripping member (310) and a second gripping member (311).

5. The coal transportation equipment for underground mining in a coal mine according to claim 4, characterized in that: A plurality of fixing rods (308) are also fixedly connected in the connection frame (306), and the fixing rods (308) are respectively arranged on both sides of the threaded rod (307), and the first grabbing member (310) and the second grabbing member (311) are both slidably connected to the fixing rods (308).

6. The coal transportation equipment for underground mining in a coal mine according to claim 1, characterized in that: The lifting mechanism (2) comprises a second screw rod (201), the second screw rod (201) is rotatably connected to the inside of the sleeve (101), guide rails (202) are fixedly installed on both sides of the inside of the sleeve (101), and the outer surface of the guide rail (202) is slidably connected to a lifting block (203), the lifting block (203) is threadedly connected to the outer surface of the second screw rod (201), and both sides of the top of the lifting block (203) are fixedly connected to the bottom end of the cargo box (102) through a connecting plate (204), and the bottom end of the second screw rod (201) passes through the top wall of the bottom plate (1) and is fixedly installed with a driving mechanism.

7. The coal transportation equipment for underground mining in a coal mine according to claim 6, characterized in that: The driving mechanism comprises a plurality of groups of fixed plates (206), the plurality of groups of fixed plates (206) being fixedly mounted on both sides of the bottom end of the base plate (1), the inside of the fixed plates (206) on both sides being rotatably connected with a rotating rod (207), both ends of the rotating rod (207) being fixedly mounted with a second bevel gear (208), the second bevel gear (208) being meshed with a first bevel gear (205) being arranged at one end of the second screw rod (201) passing through the base plate, a third bevel gear (209) being mounted in the middle of the rotating rod, a double-axis motor (210) being fixedly mounted on the bottom end of the base plate (1), both output ends of the double-axis motor (210) being fixedly connected with a rotating member (211), the other end of the rotating member (211) being fixedly mounted with a fourth bevel gear (212) meshed with the third bevel gear (209), and the rotating member (211) being rotatably connected inside the fixed member.

8. The coal transportation equipment for underground mining in a coal mine according to claim 1, characterized in that: The switch mechanism comprises a mounting plate (105), the mounting plate (105) being fixedly mounted on the outside of the cargo box (102) and above the discharge port, a plurality of electric push rods (106) being arranged on the surface of the mounting plate (105), the output ends of the electric push rods (106) passing through the mounting plate (105) and being fixedly connected to a cover plate (104), a guide plate (107) corresponding to the discharge port being arranged on the outside of the cargo box (102), baffle plates (108) being fixedly mounted on both sides of the surface of the guide plate (107).

9. The coal transportation equipment for underground mining in a coal mine according to claim 1, characterized in that: The rotating mechanism comprises a slide groove, which is arranged on the surface of the base plate (1); a slider matched with the slide groove is fixedly connected to the bottom end of the rotating plate (109); the slider is slidably connected inside the slide groove; a rotating shaft is arranged at the bottom of the rotating plate (109); the rotating shaft is rotatably connected to the base plate (1) through a bearing arranged on the base plate, and the lower end passes through the base plate (1); one end of the rotating shaft passing through the base plate (1) is fixedly connected to the output end of the driving motor (110); the driving motor (110) is fixedly installed at the bottom of the base plate (1).