Large-torque maintenance-free walking gear box for coal mining machine

Abstract

The large-torque maintenance-free walking gear box comprises a gear box body, the front face of the gear box body is fixedly connected with a purification oil tank, the inner wall of the purification oil tank is fixedly connected with a filtering frame, and an oil stain filtering plate is fixedly embedded in the inner bottom wall of the filtering frame. The front face of the gearbox body is fixedly connected with an oil stain pump, and the input end of the oil stain pump fixedly communicates with an oil stain pipe. According to the device, through the arrangement of the purification oil tank, the oil stain pump, the first oil drain pipe, the filter frame, the oil stain filter plate, the oil injection pump, the oil pumping pipe, the second oil drain pipe, the lubricating oil storage tank, the oil drain pipe and the PLC, gear lubricating oil in the gear box body can be pumped, filtered and purified at the same time, and clean lubricating oil can be injected circularly; automatic replacement and maintenance of lubricating oil are achieved, effective maintenance and automatic maintenance of the gearbox body are facilitated, and long-term safe use of the walking gearbox is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining machines, in particular to a large torque maintenance-free travel gear box for coal mining machines. Background Art

[0002] Coal mining machine is one of the important equipment to realize the mechanization and modernization of coal mine production. Mechanized coal mining can reduce physical labor, improve safety, and achieve the goals of high output, high efficiency and low consumption. Coal mining machines are divided into four types: sawing, planing, drilling and milling. Coal mining machine is a large and complex system integrating mechanical, electrical and hydraulic. With the development of the coal industry, coal mining machines have more and more functions, among which large torque gearboxes are often needed in coal mining machinery.

[0003] Due to the high-intensity work of the coal mining machine, the load of the gear unit inside the gear box increases, and thus its degree of wear is also greater. A certain amount of gear lubricating oil needs to be injected into the gear box to reduce the wear of the gear. However, during the long-term operation of the gear box, the gear lubricating fluid is prone to produce impurities, which reduces the service life of the lubricating oil. The gear box needs to be regularly maintained, which affects the coal mining efficiency of the coal mining machine. For this reason, we propose a high-torque maintenance-free travel gearbox for coal mining machines to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a large torque maintenance-free travel gear box for a coal mining machine 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] A high-torque maintenance-free travel gearbox for a coal mining machine comprises a gearbox body, a purified oil tank is fixedly connected to the front of the gearbox body, a filter frame is fixedly connected to the inner wall of the purified oil tank, an oil filter plate is fixedly inlaid on the inner bottom wall of the filter frame, an oil pump is fixedly connected to the front of the gearbox body, an input end of the oil pump is fixedly connected to an oil pipe, the input end of the oil pipe is fixedly connected to the front of the gearbox body, an output end of the oil pump is fixedly connected to a first oil drain pipe, and the output end of the first oil drain pipe passes through the purified oil tank And it extends to the interior of the filter frame, the inner wall of the purified oil tank is fixedly connected with an oil filling pump, the input end of the oil filling pump is fixedly connected with an oil extraction pipe, the output end of the oil filling pump is fixedly connected with a second oil discharge pipe, the output end of the second oil discharge pipe passes through the purified oil tank and is fixedly connected with the front of the gear box body, the upper surface of the purified oil tank is fixedly connected with a lubricating oil storage tank, the right side of the lubricating oil storage tank is fixedly connected with an oil drain pipe, the bottom end of the oil drain pipe is fixedly connected with the upper surface of the purified oil tank, and the outer surface of the oil drain pipe is fixedly connected with a control oil valve.

[0007] In a further embodiment, an observation frame is fixedly embedded on the front of the purified oil tank, and the observation frame is located in the middle of the purified oil tank.

[0008] In a further embodiment, a PLC controller is fixedly connected to the front of the purified oil tank, and the PLC controller is electrically connected to the oil waste pump and the oil injection pump through wires.

[0009] In a further embodiment, a cleaning door is installed on the upper surface of the purified oil tank, and a switch handle is fixedly connected to the upper surface of the cleaning door.

[0010] In a further embodiment, a lifting ring is fixedly connected to the upper surface of the gear box body, and the lifting ring is located in the middle of the gear box body.

[0011] In a further embodiment, a mounting plate is fixedly connected to the bottom surface of the gear box body, a damping pad is fixedly connected to the bottom surface of the mounting plate, and two groups of mounting holes are formed on the upper surface of the mounting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device can extract the gear lubricating oil inside the gear box body, filter and purify it at the same time, and can circulate and inject clean lubricating oil to realize automatic replacement and maintenance of the lubricating oil, facilitate effective and automatic maintenance of the gear box body, and facilitate long-term and safe use of the traveling gear box through the arranged purified oil tank, oil sewage pump, oil sewage pump, first oil row pipe, filter frame, oil sewage filter plate, oil filling pump, oil extraction pipe, second oil row pipe, lubricating oil storage tank, oil drain pipe and PLC controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a high-torque maintenance-free travel gearbox for a coal mining machine.

[0015] Figure 2 This is a schematic diagram of the internal dissection structure of the purified oil tank in the high-torque maintenance-free travel gearbox for coal mining machines.

[0016] Figure 3 A sectional view of the side view of the purified oil tank in a high-torque maintenance-free travel gearbox for a coal mining machine.

[0017] Figure 4 Bottom view of the mounting plate in a high torque maintenance-free travel gearbox for a coal mining machine.

[0018] In the figure: 1. Gearbox body; 2. Lubricating oil storage tank; 3. Lifting ring; 4. Switch handle; 5. Cleaning door; 6. First row of oil pipes; 7. Oil pump; 8. Oil pipes; 9. Damping pads; 10. PLC controller; 11. Observation frame; 12. Purification oil tank; 13. Mounting plate; 14. Mounting hole; 15. Oil extraction pipe; 16. Oil drain pipe; 17. Control oil valve; 18. Oil filling pump; 19. Filter frame; 20. Oil filter plate; 21. Second row of oil pipes. 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 large torque maintenance-free travel gearbox for a coal mining machine includes a gearbox body 1, a purified oil tank 12 is fixedly connected to the front of the gearbox body 1, a filter frame 19 is fixedly connected to the inner wall of the purified oil tank 12, an oil filter plate 20 is fixedly inlaid on the inner bottom wall of the filter frame 19, an oil pump 7 is fixedly connected to the front of the gearbox body 1, an oil pipe 8 is fixedly connected to the input end of the oil pump 7, the input end of the oil pipe 8 is fixedly connected to the front of the gearbox body 1, and the output end of the oil pump 7 is fixedly connected to the first oil pipe 6, and the output end of the first oil pipe 6 passes through the purified oil tank 12 and Extending to the interior of the filter frame 19, the inner wall of the purified oil tank 12 is fixedly connected with an oil filling pump 18, the input end of the oil filling pump 18 is fixedly connected with an oil extraction pipe 15, the output end of the oil filling pump 18 is fixedly connected with a second oil discharge pipe 21, the output end of the second oil discharge pipe 21 passes through the purified oil tank 12 and is fixedly connected with the front of the gear box body 1, the upper surface of the purified oil tank 12 is fixedly connected with a lubricating oil storage tank 2, the right side of the lubricating oil storage tank 2 is fixedly connected with an oil drain pipe 16, the bottom end of the oil drain pipe 16 is fixedly connected with the upper surface of the purified oil tank 12, and the outer surface of the oil drain pipe 16 is fixedly connected with a control oil valve 17.

[0023] An observation frame 11 is fixedly embedded on the front of the purified oil tank 12. The observation frame 11 is located in the middle of the purified oil tank 12, and the oil content inside the purified oil tank 12 can be observed, which is convenient for maintaining sufficient oil inside the purified oil tank 12. A PLC controller 10 is fixedly connected to the front of the purified oil tank 12. The PLC controller 10 is electrically connected to the oil pump 7 and the oil injection pump 18 through wires, which enables the staff to control the oil injection device more conveniently, so that the gear box body 1 is automatically injected with oil in a cycle.

[0024] A cleaning door 5 is installed on the upper surface of the purified oil tank 12, and a switch handle 4 is fixedly connected to the upper surface of the cleaning door 5, which can be conveniently opened to clean the lubricating oil. A lifting ring 3 is fixedly connected to the upper surface of the gear box body 1, and the lifting ring 3 is located in the middle of the gear box body 1, which can conveniently lift the gear box body 1, and is convenient for the installation of the gear box body 1. A mounting plate 13 is fixedly connected to the bottom surface of the gear box body 1, and a damping pad 9 is fixedly connected to the bottom surface of the mounting plate 13. Two groups of mounting holes 14 are opened on the upper surface of the mounting plate 13, which can be used to install and fix the gear box body 1, and is convenient for the stable use of the gear box body 1.

[0025] The working principle of the utility model is:

[0026] When in use, the gear box body 1 is lifted by a lifting device on the lifting ring 3, and the gear box body 1 is installed on the coal mining machine equipment through the mounting plate 13 and the mounting hole 14. During the operation of the coal mining machine, the PLC controller 10 is program-edited to control the oil pump 7 to work regularly, and the gear oil inside the gear box body 1 is extracted by the oil pipe 8 and injected into the purified oil tank 12. The extracted lubricating oil is filtered for impurities and sludge by the filter frame 19 and the oil filter plate 20. At the same time, the control oil valve 17 is opened to inject fresh lubricating oil into the purified oil tank 12, and the oil injection pump 18 is operated to extract the purified fresh lubricating oil, which is injected into the gear box body 1 again through the second oil pipe 21, so as to realize the circulating oil injection of the gear box body 1, effectively maintain the quality of the lubricating oil inside the gear box body 1, and realize the safe and stable use of this traveling gear box.

[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-restrictive 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 be 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 high torque maintenance-free travel gearbox for a coal mining machine, characterized in that: The gearbox comprises a gearbox body (1), the front of the gearbox body (1) is fixedly connected to a purified oil tank (12), the inner wall of the purified oil tank (12) is fixedly connected to a filter frame (19), the inner bottom wall of the filter frame (19) is fixedly inlaid with an oil filter plate (20), the front of the gearbox body (1) is fixedly connected to an oil pump (7), the input end of the oil pump (7) is fixedly connected to an oil pipe (8), the input end of the oil pipe (8) is fixedly connected to the front of the gearbox body (1), the output end of the oil pump (7) is fixedly connected to a first oil discharge pipe (6), the output end of the first oil discharge pipe (6) passes through the purified oil tank (12) and extends to the inside of the filter frame (19), The inner wall of the purified oil tank (12) is fixedly connected to an oil injection pump (18); the input end of the oil injection pump (18) is fixedly connected to an oil extraction pipe (15); the output end of the oil injection pump (18) is fixedly connected to a second oil discharge pipe (21); the output end of the second oil discharge pipe (21) passes through the purified oil tank (12) and is fixedly connected to the front of the gearbox body (1); the upper surface of the purified oil tank (12) is fixedly connected to a lubricating oil storage tank (2); the right side of the lubricating oil storage tank (2) is fixedly connected to an oil drain pipe (16); the bottom end of the oil drain pipe (16) is fixedly connected to the upper surface of the purified oil tank (12); and the outer surface of the oil drain pipe (16) is fixedly connected to an oil control valve (17).

2. A high torque maintenance-free travel gearbox for a coal mining machine according to claim 1, characterized in that: An observation frame (11) is fixedly embedded on the front of the purified oil tank (12), and the observation frame (11) is located in the middle of the purified oil tank (12).

3. A large torque maintenance-free travel gearbox for a coal mining machine according to claim 1, characterized in that: A PLC controller (10) is fixedly connected to the front of the purified oil tank (12), and the PLC controller (10) is electrically connected to the oil waste pump (7) and the oil injection pump (18) via wires.

4. A large torque maintenance-free travel gearbox for a coal mining machine according to claim 1, characterized in that: A cleaning door (5) is installed on the upper surface of the purified oil tank (12), and a switch handle (4) is fixedly connected to the upper surface of the cleaning door (5).

5. The large torque maintenance-free travel gearbox for coal mining machine according to claim 1, characterized in that: A lifting ring (3) is fixedly connected to the upper surface of the gear box body (1), and the lifting ring (3) is located in the middle of the gear box body (1).

6. A large torque maintenance-free travel gearbox for a coal mining machine according to claim 1, characterized in that: The bottom surface of the gear box body (1) is fixedly connected to a mounting plate (13), the bottom surface of the mounting plate (13) is fixedly connected to a damping pad (9), and the upper surface of the mounting plate (13) is provided with two groups of mounting holes (14).

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