Maintenance workbench for maintenance of coal mining machine
By designing a coal miner maintenance workbench including motor, gear system and threaded mechanism, the problem of staff needing to climb high places during coal miner maintenance is solved, and convenient movement and efficient maintenance of staff and tools are achieved.
Patent Information
- Application Number
- CN202421355438.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-14
AI Technical Summary
During the maintenance of the coal mining machine, staff need to climb to a high place for maintenance and carry tools, which leads to a large workload and is not conducive to maintenance.
A maintenance workbench for coal mining machine maintenance is designed, including motor, driving gear, secondary driving gear, rolling bearing, threaded rod, threaded cylinder, movable plate, slider and lifting plate. Through the motor driving gear system and thread mechanism, the automatic movement of staff and tools to the height is realized.
The device allows staff to move to high places for maintenance and maintenance conveniently, reducing the burden on staff and improving maintenance efficiency.
Smart Images

Figure CN222574267U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of coal mining machines, in particular to a maintenance workbench for coal mining machine maintenance. Background Art
[0002] The coal mining machine is a large and complex system integrating mechanical, electrical and hydraulic functions. It works in a harsh environment. If a failure occurs, the entire coal mining operation will be interrupted, causing huge economic losses.
[0003] At present, during the maintenance process of coal mining machines, workers are required to climb to a high place to maintain the coal mining machines, and they also have to carry maintenance tools, which is a heavy workload and not conducive to the maintenance of the coal mining machines. Therefore, we propose a maintenance workbench for coal mining machine maintenance to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a maintenance workbench for coal mining machine maintenance, so as to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The cam is secured to the upper and lower surfaces of the frame, and the cam is secured to the lower surface of the frame by a plurality of locking plates, each of which is secured to the lower surface of the frame by a plurality of locking plates.
[0007] In a further embodiment, a counterweight block is fixedly connected to the upper surface of the connecting plate, and the counterweight block is located on the right side of the box body.
[0008] In a further embodiment, two sets of moving wheels are fixedly connected to the bottom surface of the connecting plate, and a push handle is fixedly connected to the right side surface of the box.
[0009] In a further embodiment, a limit frame is provided on the left side of the box body, the bottom surface of the limit frame is fixedly connected to the upper surface of the lifting plate, and a baffle is fixedly connected to the inner side wall of the box body.
[0010] In a further embodiment, a reinforcing block is fixedly connected to the upper surface of each of the sliding blocks, and a left side surface of each of the reinforcing blocks is fixedly connected to the right side surface of the lifting plate.
[0011] In a further embodiment, a warning sign is provided in front of the box, and the back side of the warning sign is fixedly connected to the front side of the box.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The device is provided with a motor, a driving gear, a secondary gear, a rolling bearing, a threaded rod, a threaded barrel, a movable plate, a slider and a lifting plate, and utilizes the connection relationship between the motor, the driving gear and the secondary gear so that the driving gear drives the secondary gear to rotate while the threaded rod rotates inside the rolling bearing following the rotation of the secondary gear. The threaded barrel and the threaded rod cooperate to facilitate the upward and downward movement of the movable plate and the slider to drive the lifting plate to move the staff and tools to a high place. This method is convenient for the staff to perform maintenance and repair of the coal mining machine at a high place, is beneficial to the work of the staff, and can reduce the burden on the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic diagram of the overall three-dimensional structure of a maintenance workbench for coal mining machine maintenance;
[0015] Figure 2 A three-dimensional structural diagram of a top view of a maintenance workbench box for coal mining machine maintenance;
[0016] Figure 3 A sectional view of the side view of the inspection workbench box for coal mining machine maintenance;
[0017] Figure 4 A cross-sectional view of the top view of the maintenance workbench box used for coal mining machine maintenance.
[0018] In the figure: 1. moving wheel; 2. connecting plate; 3. counterweight; 4. warning sign; 5. push handle; 6. motor; 7. box; 8. limit frame; 9. lifting plate; 10. reinforcement block; 11. slide; 12. threaded cylinder; 13. baffle; 14. secondary gear; 15. driving gear; 16. threaded rod; 17. movable plate; 18. slider; 19. rolling bearing. DETAILED DESCRIPTION
[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0021] 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.
[0022] See also Figure 1-4In the utility model, a maintenance workbench for coal mining machine maintenance includes a connecting plate 2, the upper surface of the connecting plate 2 is fixedly connected with a box body 7, the inner bottom wall of the box body 7 and the inner top wall of the box body 7 are fixedly inlaid with two rolling bearings 19, the left side of the box body 7 is provided with two sliding openings 11, the inner wall of each sliding opening 11 is slidably connected with a slider 18, the right sides of the two sliders 18 are commonly fixedly connected with a movable plate 17, the upper surface of the movable plate 17 is fixedly inlaid with two threaded cylinders 12, the inner wall of each threaded cylinder 12 is threadedly connected with a threaded rod 16, the top ends of the two threaded rods 16 and the bottom ends of the threaded rods 16 are respectively fixedly connected with the inner rings of the two groups of rolling bearings 19, the upper surface of the box body 7 is fixedly inlaid with a motor 6, the output end of the motor 6 is fixedly connected with a driving gear 15, the outer surface of each threaded rod 16 is fixedly connected with a secondary gear 14, each secondary gear 14 is meshed with the driving gear 15, and the left ends of the two sliders 18 are commonly fixedly connected with a lifting plate 9.
[0023] A counterweight 3 is fixedly connected to the upper surface of the connecting plate 2, and the counterweight 3 is located on the right side of the box body 7. The counterweight 3 is used to make the device more stable as a whole. Two sets of moving wheels 1 are fixedly connected to the bottom surface of the connecting plate 2, and a push handle 5 is fixedly connected to the right side surface of the box body 7. The cooperation of the moving wheels 1 and the push handle 5 can facilitate the movement of the device to the use position. A limit frame 8 is provided on the left side of the box body 7, and the bottom surface of the limit frame 8 is fixedly connected to the upper surface of the lifting plate 9. A baffle 13 is fixedly connected to the inner wall of the box body 7. The limit frame 8 can prevent tools from falling, and the movable plate 17 can be limited by the baffle 13.
[0024] The upper surface of each slider 18 is fixedly connected with a reinforcement block 10, and the left side of each reinforcement block 10 is fixedly connected to the right side of the lifting plate 9. The reinforcement block 10 is used to increase the stability of the lifting plate 9. A warning sign 4 is provided in front of the box 7, and the back of the warning sign 4 is fixedly connected to the front of the box 7. The warning sign 4 is used to remind the staff of precautions.
[0025] The working principle of the utility model is:
[0026] When the staff uses it, they first move the device to the use position through the cooperation of the push handle 5 and the moving wheel 1, and then put the tool on the lifting plate 9. At this time, the staff stands on the lifting plate 9, and then the power provided by the motor 6 drives the driving gear 15 and the secondary gear 14 to drive the threaded rod 16 to rotate, and through the connection relationship between the threaded cylinder 12 and the threaded rod 16, the movable plate 17 drives the slider 18 to slide inside the sliding mouth 11, and at the same time drives the lifting plate 9 to move upward, so that the staff and the tool are moved to a higher place.
[0027] 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 essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, 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. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A maintenance workbench for coal mining machine maintenance, characterized in that: The invention comprises a connecting plate (2), the upper surface of which is fixedly connected to a box body (7), the inner bottom wall of the box body (7) and the inner top wall of the box body (7) are both fixedly inlaid with two rolling bearings (19), the left side of the box body (7) is provided with two sliding openings (11), the inner wall of each sliding opening (11) is slidably connected to a slider (18), the right sides of the two sliders (18) are jointly fixedly connected to a movable plate (17), the upper surface of the movable plate (17) is fixedly inlaid with two threaded cylinders (12), the inner wall of each threaded cylinder (12) is The two sliders (18) are threadedly connected with a threaded rod (16), the top ends of the two threaded rods (16) and the bottom ends of the threaded rods (16) are respectively fixedly connected to the inner rings of two sets of rolling bearings (19), the upper surface of the box body (7) is fixedly inlaid with a motor (6), the output end of the motor (6) is fixedly connected to a driving gear (15), the outer surface of each threaded rod (16) is fixedly connected to a secondary driving gear (14), each secondary driving gear (14) is meshed with the driving gear (15), and the left ends of the two sliders (18) are commonly fixedly connected to a lifting plate (9).
2. The maintenance workbench for coal mining machine maintenance according to claim 1, characterized in that: A counterweight block (3) is fixedly connected to the upper surface of the connecting plate (2), and the counterweight block (3) is located on the right side of the box body (7).
3. The maintenance workbench for coal mining machine maintenance according to claim 1, characterized in that: Two sets of moving wheels (1) are fixedly connected to the bottom surface of the connecting plate (2), and a push handle (5) is fixedly connected to the right side surface of the box body (7).
4. The maintenance workbench for coal mining machine maintenance according to claim 1, characterized in that: A limit frame (8) is provided on the left side of the box body (7), the bottom surface of the limit frame (8) is fixedly connected to the upper surface of the lifting plate (9), and a baffle (13) is fixedly connected to the inner side wall of the box body (7).
5. The maintenance workbench for coal mining machine maintenance according to claim 1, characterized in that: The upper surface of each of the sliding blocks (18) is fixedly connected to a reinforcing block (10), and the left side surface of each of the reinforcing blocks (10) is fixedly connected to the right side surface of the lifting plate (9).
6. The maintenance workbench for coal mining machine maintenance according to claim 1, characterized in that: A warning sign (4) is provided in front of the box body (7), and the back side of the warning sign (4) is fixedly connected to the front side of the box body (7).