Coal mining machine rocker arm sub-cavity lubricating structure

Abstract

The utility model discloses a coal mining machine rocker arm cavity dividing lubricating structure, which relates to the technical field of coal mining machines and comprises a rocker arm cavity dividing plate, a connecting port is arranged at one end of the rocker arm cavity dividing plate, an auxiliary rocker arm plate is movably mounted in the connecting port, and a rocker arm rotating shaft is movably mounted at the other end of the rocker arm cavity dividing plate. A rocker arm gear plate is movably installed on the outer side of the rocker arm rotating shaft, a movable shaft is movably installed at the other end of the rocker arm gear plate, an oil cavity is formed in the rocker arm cavity dividing plate, a connecting shaft is arranged on the inner wall of the oil cavity, and an oil injection mechanism is arranged at one end of an inner cavity of the oil cavity. Through mutual cooperation of the driving sliding rail, the driving block, the cleaning scraping plate, the friction plate, the friction pad and the rubber particles, the problem that lubricating oil can be conveniently injected into the device due to the fact that impurities are prone to being adhered to the surface of the oil outlet after the oil outlet is used for a long time is solved, the friction cleaning function is achieved, the device can conveniently scrape materials, and the oil outlet can be conveniently machined.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining machines, in particular to a rocker arm chamber lubrication structure for coal mining machines. Background Art

[0002] Since the coal mining machine is in the coal mine for a long time, the working environment is very bad, the surrounding space is small, there is a lot of dust, the flameproof conditions are harsh, the coal mining machine body structure is compact, and the rocker arm cutting load is large, so it is very necessary to automatically, reasonably and accurately lubricate the friction pairs of the coal mining machine rocker arm. In addition, automatic centralized lubrication of the coal mining machine is also the focus and difficulty at this stage.

[0003] In the existing technical scheme, announcement number: CN202108942U is proposed, a segmented lubrication structure of the gear cavity of the rocker arm of a coal mining machine, the rocker arm housing is constituted with a gear cavity, the gear cavity contains a gear transmission system, the gear transmission system includes a front-stage spur gear system, an intermediate-stage spur gear system and a planetary gear system, the front-stage spur gear system is connected to the intermediate-stage spur gear system via an intermediate shaft, and the intermediate-stage spur gear system is connected to the planetary gear system via an output shaft.

[0004] In order to solve the problem that the auxiliary lubrication pump requires sufficient gear cavity space, and its oil channel structure is very complex, which is not conducive to use and maintenance, and its production and use costs are also high, especially in thin coal seams or thinner coal seams, the rocker arm power is constantly increasing, the gangue passing capacity is strengthened, and the overall reliability requirements are more stringent, the existing technology is to use the coal mining machine in the coal mine for a long time, the working environment is very bad, the surrounding space is small, there is a lot of dust, the explosion-proof conditions are harsh, the coal mining machine body structure is compact, and the rocker arm cutting load is large. Therefore, it is very necessary to automatically, reasonably and accurately lubricate the moving friction pairs of the coal mining machine rocker arm. In addition, automatic centralized lubrication of the coal mining machine is also the key and difficult way to deal with it at this stage, but there will be a situation where the oil outlet is used for a long time and the surface is easy to adhere to debris, thus affecting the problem of convenient injection of lubricating oil into the device. Utility Model Content

[0005] The utility model aims to provide a lubrication structure for a rocker arm of a coal mining machine, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A rocker arm chamber lubrication structure for a coal mining machine includes a rocker arm chamber plate, one end of the rocker arm chamber plate is provided with a connecting port, an auxiliary rocker arm plate is movably installed inside the connecting port, a rocker arm shaft is movably installed on the other end of the rocker arm chamber plate, a rocker arm gear plate is movably installed on the outer side of the rocker arm shaft, and a movable shaft is movably installed on the other end of the rocker arm gear plate.

[0008] An oil chamber is provided inside the rocker arm cavity plate, a connecting shaft is provided on the inner wall of the oil chamber, and an oil filling mechanism is provided at one end of the inner cavity of the oil chamber.

[0009] A connecting frame is fixedly mounted on one end of the rocker gear plate, connecting holes are provided on both sides of the connecting frame, and connecting mechanisms are provided inside the connecting holes.

[0010] A further improvement of the technical solution of the utility model is that the oil filling mechanism includes a main oil pipe, the outer side of the main oil pipe is movably mounted on the inner wall of the oil chamber, an oil filling box is fixedly mounted on the bottom of one end of the main oil pipe, and an oil outlet is opened on one side of the oil filling box.

[0011] By adopting the above technical solution, the main oil pipe, the oil filling tank and the oil outlet cooperate with each other to achieve the function of conveniently inputting lubricating oil.

[0012] A further improvement of the technical solution of the utility model is that a driving slide rail is provided on the top of one side of the oil filling tank, a driving block is movably installed inside the driving slide rail, a telescopic pull rod is provided on one side of the driving block, and a cleaning scraper is fixedly installed on the bottom of the driving block.

[0013] By adopting the above technical solution, the function of scraping and cleaning is achieved through the cooperation between the driving rail, the driving block and the cleaning scraper.

[0014] A further improvement of the technical solution of the utility model is that a friction plate is fixedly installed on the inner side of the cleaning scraper, a friction pad is fixedly installed on the surface of the friction plate, rubber particles are fixedly installed on the surface of the friction pad, and the other side of the rubber particles is arranged on the surface of the oil outlet.

[0015] By adopting the above technical solution, the friction pad and the rubber particles cooperate with each other to achieve the function of increasing friction.

[0016] A further improvement of the technical solution of the utility model is that the connecting mechanism comprises a clamping shaft column, a sealing rubber sheet is movably mounted on one end of the clamping shaft column, and a sleeve shaft is movably mounted on the outer side of the sealing rubber sheet.

[0017] By adopting the above technical solution, the sealing rubber sheet and the sleeve shaft cooperate with each other to achieve the function of sealing connection.

[0018] A further improvement of the technical solution of the utility model is that a spring assembly is movably installed at one end of the sleeve shaft, and a mounting shaft is arranged at one end of the spring assembly.

[0019] A further improvement of the technical solution of the utility model is that a connecting gasket is arranged at one end of the rocker gear plate away from the connecting frame, and a shaft rod is movably installed inside the connecting gasket.

[0020] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0021] The utility model provides a coal mining machine rocker arm chamber lubrication structure, which solves the problem that the internal structure of the lubrication structure is complicated, which is not conducive to the convenient addition of lubricating oil to the device, thereby affecting the convenient operation of the device, and achieves the function of convenient input of lubricating oil, increasing the convenience of the device.

[0022] The utility model provides a lubrication structure for the rocker arm of a coal mining machine. Through the cooperation of a driving rail, a driving block, a cleaning scraper, a friction plate, a friction pad and rubber particles, the utility model solves the problem that the oil outlet is used for a long time and the surface is easily adhered to debris, thereby affecting the convenient injection of lubricating oil into the device. The function of friction cleaning is achieved, the device is convenient for scraping materials, and it is conducive to the convenient processing of the oil outlet.

[0023] The utility model provides a lubrication structure for the rocker arm of a coal mining machine with divided chambers. Through the cooperation of a clamping shaft column, a sealing film, a sleeve shaft, a spring assembly, a mounting shaft and a connecting gasket, the problem of poor stability of the connecting mechanism of the lubrication structure, which easily causes shaking at the connection and thus affects the safety of the equipment, is solved. The function of sealed connection is achieved, the device is convenient to use the sealing film to increase the sealing of the connection, and the resilience of the spring assembly is cooperated to increase the cushioning property, thereby improving the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the oil chamber structure of the utility model;

[0026] Figure 3 It is an enlarged view of point A of the utility model;

[0027] Figure 4 This is a schematic diagram of the cleaning scraper structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the rocker arm gear plate structure of the utility model.

[0029] In the figure: 1. rocker arm chamber plate; 11. connecting shaft; 12. oil chamber; 13. main oil pipe; 14. oil filling tank; 141. driving slide rail; 142. driving block; 143. cleaning scraper; 144. friction plate; 145. friction pad; 146. rubber particles; 15. oil outlet; 2. connecting port; 3. auxiliary rocker arm plate; 4. rocker arm shaft; 5. rocker arm gear plate; 51. connecting frame; 52. connecting hole; 53. clamping shaft column; 54. sealing film; 55. sleeve shaft; 56. spring assembly; 57. mounting shaft; 58. connecting gasket; 59. shaft rod; 6. movable shaft. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the embodiments: Embodiment 1

[0031] like Figure 1-5 As shown, the utility model provides a rocker arm chamber lubrication structure for a coal mining machine, including a rocker arm chamber plate 1, a connecting port 2 is provided at one end of the rocker arm chamber plate 1, an auxiliary rocker arm plate 3 is movably installed inside the connecting port 2, a rocker arm rotating shaft 4 is movably installed at the other end of the rocker arm chamber plate 1, a rocker arm gear plate 5 is movably installed on the outer side of the rocker arm rotating shaft 4, a movable shaft 6 is movably installed on the other end of the rocker arm gear plate 5, an oil chamber 12 is provided inside the rocker arm chamber plate 1, a connecting shaft 11 is provided on the inner wall of the oil chamber 12, an oil injection mechanism is provided at one end of the inner cavity of the oil chamber 12, and the oil injection mechanism includes a main oil pipe 13, and the outer side of the main oil pipe 13 is movably installed on the oil On the inner wall of the chamber 12, an oil filling box 14 is fixedly installed at the bottom of one end of the main oil pipe 13, and an oil outlet 15 is opened on one side of the oil filling box 14. The rocker arm shaft 4 is movably connected with the rocker arm dividing plate 1, so that the movable shaft 6 can be movable, which is convenient for the operation of the coal mining machine rocker arm. The internal gear group transmission of the rocker arm gear plate 5 cooperates with the main oil pipe 13 to connect the lubricating oil and inject it into the oil filling box 14, so that the lubricating oil flows into the oil chamber 12 along the oil outlet 15, so that the gear group is connected to the connecting shaft 11, and the lubricating oil at the bottom is adhered to the connecting shaft 11, thereby achieving the function of lubrication and facilitating the convenient operation of the machinery. Embodiment 2

[0032] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a driving slide rail 141 is provided at the top of one side of the oil filling box 14, a driving block 142 is movably installed inside the driving slide rail 141, a telescopic pull rod is provided on one side of the driving block 142, a cleaning scraper 143 is fixedly installed at the bottom of the driving block 142, a friction plate 144 is fixedly installed on the inner side of the cleaning scraper 143, a friction pad 145 is fixedly installed on the surface of the friction plate 144, and rubber particles 146 are fixedly installed on the surface of the friction pad 145, and the other side of the rubber particles 146 is arranged on the surface of the oil outlet 15. After the oil chamber 12 is used, the telescopic pull rod inside the driving slide rail 141 is used to pull the driving block 142 to slide, and the driving block 142 drives the cleaning scraper 143 to reciprocate, and cooperates with the friction pad 145 for friction cleaning, and utilizes the friction resistance of the rubber particles 146 to facilitate the cleaning mechanism to scrape off the debris on the surface of the oil outlet 15, which is conducive to the convenient processing of the oil outlet 15 next time. Embodiment 3

[0033] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a connecting frame 51 is fixedly installed at one end of the rocker gear plate 5, connecting holes 52 are opened on both sides of the connecting frame 51, and a connecting mechanism is arranged inside the connecting hole 52, the connecting mechanism includes a card shaft column 53, a sealing film 54 is movably installed at one end of the card shaft column 53, a sleeve shaft 55 is movably installed on the outer side of the sealing film 54, a spring assembly 56 is movably installed at one end of the sleeve shaft 55, and a mounting shaft 57 is arranged at one end of the spring assembly 56, and a connecting gasket 58 is arranged at one end of the rocker gear plate 5 away from the connecting frame 51, and a shaft rod 59 is movably installed inside the connecting gasket 58, the card shaft column 53 is inserted into the inside of the connecting frame 51, and the sealing film 54 is clamped and installed on the side, so as to increase the sealing performance of the connecting mechanism, and the spring assembly 56 is sleeved with the sleeve shaft 55, and the resilience of the spring assembly 56 is utilized to increase the stability of the connecting mechanism, and at the same time, it is convenient for the connecting mechanism to be disassembled and installed, which is conducive to the convenient connection of the device.

[0034] The working principle of the coal mining machine rocker arm chamber lubrication structure is described in detail below.

[0035] like Figure 1-5As shown, the rocker arm shaft 4 is movably connected with the rocker arm chamber plate 1, so that the movable shaft 6 can be movably rotated, which is convenient for the rocker arm of the coal mining machine to operate conveniently, and the internal gear group transmission of the rocker arm gear plate 5 is connected with the main oil pipe 13 to connect the lubricating oil, and is injected into the oil filling box 14, so that the lubricating oil flows into the oil chamber 12 along the oil outlet 15, so that the gear group is connected to the connecting shaft 11, and the lubricating oil at the bottom is adhered to the connecting shaft 11, so as to achieve the function of lubrication, which is convenient for the operation between the machines. After the oil chamber 12 is used, the stretching rod inside the driving slide rail 141 is used The driving block 142 is pulled to slide, and the driving block 142 drives the cleaning scraper 143 to move back and forth, and cooperates with the friction pad 145 for friction cleaning, and utilizes the friction resistance of the rubber particles 146 to facilitate the cleaning mechanism to scrape off the debris on the surface of the oil outlet 15, and then the card shaft column 53 is inserted into the inside of the connecting frame 51, and the sealing film 54 is used on the side for card installation, so as to increase the sealing of the connecting mechanism, and cooperate with the sleeve shaft 55 to sleeve the spring assembly 56, and utilize the resilience of the spring assembly 56 to increase the stability of the connecting mechanism, and at the same time facilitate the convenient disassembly and installation of the connecting mechanism.

[0036] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A coal mining machine rocker arm chamber lubrication structure, comprising a rocker arm chamber plate (1), characterized in that: A connection port (2) is provided at one end of the rocker arm cavity plate (1), an auxiliary rocker arm plate (3) is movably mounted inside the connection port (2), a rocker arm rotating shaft (4) is movably mounted at the other end of the rocker arm cavity plate (1), a rocker arm gear plate (5) is movably mounted outside the rocker arm rotating shaft (4), and a movable shaft (6) is movably mounted at the other end of the rocker arm gear plate (5); An oil chamber (12) is provided inside the rocker arm cavity plate (1), a connecting shaft (11) is provided on the inner wall of the oil chamber (12), and an oil injection mechanism is provided at one end of the inner cavity of the oil chamber (12); A connecting frame (51) is fixedly mounted on one end of the rocker gear plate (5), connecting holes (52) are provided on both sides of the connecting frame (51), and a connecting mechanism is provided inside the connecting hole (52).

2. A coal mining machine rocker arm chamber lubrication structure according to claim 1, characterized in that: The oil injection mechanism comprises a main oil pipe (13), the outer side of the main oil pipe (13) being movably mounted on the inner wall of the oil chamber (12), an oil injection box (14) being fixedly mounted on the bottom of one end of the main oil pipe (13), and an oil outlet (15) being provided on one side of the oil injection box (14).

3. A coal mining machine rocker arm chamber lubrication structure according to claim 2, characterized in that: A driving slide rail (141) is provided at the top of one side of the oil filling box (14), a driving block (142) is movably mounted inside the driving slide rail (141), a telescopic pull rod is provided at one side of the driving block (142), and a cleaning scraper (143) is fixedly mounted at the bottom of the driving block (142).

4. A coal mining machine rocker arm chamber lubrication structure according to claim 3, characterized in that: A friction plate (144) is fixedly mounted on the inner side of the cleaning scraper (143), a friction pad (145) is fixedly mounted on the surface of the friction plate (144), rubber particles (146) are fixedly mounted on the surface of the friction pad (145), and the other side of the rubber particles (146) is arranged on the surface of the oil outlet (15).

5. The lubrication structure of a coal mining machine rocker arm chamber according to claim 1 is characterized in that: The connection mechanism comprises a clamping shaft column (53), one end of the clamping shaft column (53) is movably mounted with a sealing rubber sheet (54), and the outer side of the sealing rubber sheet (54) is movably mounted with a sleeve shaft (55).

6. A coal mining machine rocker arm chamber lubrication structure according to claim 5, characterized in that: A spring assembly (56) is movably mounted on one end of the sleeve shaft (55), and a mounting shaft (57) is disposed on one end of the spring assembly (56).

7. The lubrication structure of a coal mining machine rocker arm chamber according to claim 1 is characterized in that: A connecting gasket (58) is provided at one end of the rocker gear plate (5) away from the connecting frame (51), and a shaft (59) is movably mounted inside the connecting gasket (58).

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