Oil circulation device for gear box of raise boring machine

Abstract

The utility model relates to the technical field of circulating devices, and provides a raise boring machine gear box oil circulating device which comprises a gear box body, a maintenance box, a driving column, a driving convex block, an oil passing port, a sealing rubber plate and an oil outlet pipe, a circulating pump is installed on the gear box body, and two circulating pipelines are communicated between the circulating pump and the gear box body. The maintenance box is detachably connected to one side of the gear box body through a mounting seat, a sealing ring is fixedly connected to the maintenance box, the sealing ring is attached to the outer side wall of the gear box body, the driving column is rotationally installed on the maintenance box in a penetrating mode, a driving opening matched with the driving column is formed in the gear box body, and the multiple driving protruding blocks are fixedly connected to the driving column. The oil passing openings are formed in the driving protruding blocks, and the sealing rubber plate is movably arranged on one side of the driving opening through the sealing assembly. According to the technical scheme, the problem that in the prior art, lubricating oil is inconvenient to inspect and replace regularly in all directions is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circulation devices, in particular to an oil circulation device for a gear box of a raise boring machine. Background Art

[0002] The power of a raise boring machine is usually provided by a motor or engine. The power is first input to the input shaft of the gearbox. The gears on the input shaft mesh with other gears to transmit the power to the various gear sets in the gearbox. By combining gears of different sizes, different speeds and torque outputs can be achieved.

[0003] In the prior art, the oil circulation of the gearbox of the raise boring rig plays a vital role in the operation of the raise boring rig. The gears in the gearbox will generate friction and wear when running at high speed. The circulating lubricating oil can form an oil film on the surface of the gear, reducing the friction between the gears, reducing the degree of wear, and extending the service life of the gears. At the same time, the oil pump in the gearbox draws the lubricating oil from the oil tank and transports it to various parts of the gearbox, such as gears and bearings, through the oil pipe. The lubricating oil forms an oil film on these parts, which plays the role of lubrication, cooling and cleaning, and then flows back to the oil tank through the return oil pipe. In this process, the lubricating oil is continuously circulated to ensure the normal operation of the gearbox. However, the quality of the lubricating oil, such as color, viscosity and impurity content, has a certain impact on the normal operation of the gearbox of the raise boring rig. At present, it is not convenient to conduct regular and comprehensive inspection and replacement of the lubricating oil during the maintenance of the gearbox of the raise boring rig, which is easy to affect the normal operation and maintenance of the gearbox of the raise boring rig. Utility Model Content

[0004] The utility model provides an oil circulation device for a gear box of a raise boring machine, which solves the problem in the related art that it is inconvenient to regularly and comprehensively check and replace the lubricating oil.

[0005] The technical solution of the utility model is as follows: a gearbox oil circulation device for a raise boring machine, comprising a gearbox body, a circulation pump installed on the gearbox body, two circulation pipelines connecting the circulation pump and the gearbox body, and further comprising an inspection box, a drive column, a drive bump, an oil port, a sealing rubber plate and an oil outlet pipe;

[0006] The maintenance box is detachably connected to one side of the gear box body through a mounting seat;

[0007] The driving column is rotatably mounted on the maintenance box, and the gear box body is provided with a driving port matching the driving column;

[0008] The driving protrusion is provided in plurality, and the plurality of driving protrusions are fixedly connected to the driving column;

[0009] The oil passage port is opened on each of the driving protrusions;

[0010] The sealing rubber plate is movably arranged on one side of the driving port through the sealing assembly;

[0011] The oil outlet pipe is connected to the gear box body.

[0012] Furthermore, the sealing assembly includes:

[0013] An electric push rod, wherein the electric push rod is mounted on the outer side wall of the maintenance box, and an output end of the electric push rod is connected to the maintenance box;

[0014] A connecting plate, the connecting plate being fixedly connected between the output end of the electric push rod and the sealing rubber plate;

[0015] A sealing rubber ring, which is fixedly sleeved on the sealing rubber plate and has a connection port that matches the connection plate;

[0016] The sliding plate is provided in two pieces, the two sliding plates are symmetrically connected to the sealing rubber plate, and a sliding groove for the sliding plates to slide is provided on the inner side wall of the maintenance box.

[0017] Furthermore, the mounting base includes:

[0018] A mounting block, wherein the mounting block is provided in plurality and the plurality of mounting blocks are fixedly connected to the outer side wall of the maintenance box;

[0019] a mounting screw threadedly connected between each mounting block and an outer side wall of the gear housing;

[0020] A mounting screw ring is threadedly connected to each of the mounting screws.

[0021] Furthermore, a mounting plate is fixedly connected to the outer side wall of the gear box body, a motor is installed on the top of the mounting plate, and an output end of the motor is fixedly connected to the driving column.

[0022] Furthermore, a sealing ring is fixedly connected to the maintenance box, and the sealing ring is in contact with the outer side wall of the gear box body.

[0023] Furthermore, the sealing rubber plate is provided with a moving opening that matches the driving column.

[0024] Furthermore, the outer side wall of the sealing rubber ring is in contact with the side wall of the driving port.

[0025] The working principle and beneficial effects of the utility model are as follows:

[0026] 1. In the present invention, the cooperation of the circulating pump and the circulating pipeline facilitates the extraction of lubricating oil from the gear box body to lubricate the bearings. At the same time, the gears in the gear box will produce friction and wear when running at high speed. The circulating lubricating oil can form an oil film on the gear surface to ensure the normal operation of the gear box.

[0027] 2. In the present invention, the mounting seat facilitates the installation of the inspection box on one side of the gear box body. The driving port facilitates the flow of lubricating oil in the gear box body into the inspection box for easy discharge through the oil outlet pipe, thereby enabling regular inspection and replacement of the lubricating oil.

[0028] 3. In the present invention, the motor is used to rotate the drive column, so that the lubricating oil in the gear box body is stirred and mixed through multiple drive protrusions and multiple oil ports. As a result, the lubricating oil in the gear box body can enter the maintenance box evenly in all directions through the oil ports, and the lubricating oil can be discharged through the oil outlet pipe, so that the lubricating oil can be positioned and inspected and replaced in all directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the overall structure of the utility model from another angle;

[0032] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0033] Figure 4 It is a cross-sectional structural diagram of the maintenance box, driving protrusion and sealing ring of the utility model.

[0034] In the figure: 1. Gear box; 2. Circulation pump; 3. Circulation pipeline; 4. Maintenance box; 5. Drive column; 6. Drive bump; 7. Sealing rubber plate; 8. Oil outlet pipe; 9. Electric push rod; 10. Connecting plate; 11. Sealing rubber ring; 12. Sliding plate; 13. Mounting block; 14. Mounting screw; 15. Mounting nut; 16. Motor; 17. Sealing ring. DETAILED DESCRIPTION

[0035] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] like Figures 1 to 4 As shown, this embodiment proposes an oil circulation device for a gearbox of a raise drilling rig, including a gearbox body 1, a circulating pump 2 installed on the gearbox body 1, and two circulating pipes 3 connected between the circulating pump 2 and the gearbox body 1. The gears in the gearbox body 1 will generate friction and wear when running at high speed. The circulating lubricating oil can form an oil film on the surface of the gears, thereby reducing the friction between the gears, reducing the degree of wear, and extending the service life of the gears. At the same time, the circulating pump 2 extracts the lubricating oil from the gearbox body 1 and transports it to various parts of the gearbox body 1, such as gears and bearings, through the circulating pipe 3. The lubricating oil forms an oil film on these parts, which plays the role of lubrication, cooling and cleaning, and then flows back to the gearbox body 1 through the circulating pipe 3. In this process, the lubricating oil circulates continuously to ensure the normal operation of the gearbox body 1. It also includes an inspection box 4, a driving column 5, a driving bump 6, an oil port, a sealing rubber plate 7 and an oil outlet pipe 8. The inspection box 4 is detachably connected to one side of the gearbox body 1 through a mounting seat, and a sealing ring is fixedly connected to the inspection box 4 17, the sealing ring 17 fits with the outer wall of the gear box body 1, and can seal the maintenance box 4 on the gear box body 1. The driving column 5 is rotatably installed on the maintenance box 4, and a driving port matching the driving column 5 is opened on the gear box body 1. A plurality of driving protrusions 6 are provided, and the plurality of driving protrusions 6 are fixedly connected to the driving column 5. An oil passage is opened on each driving protrusion 6. Through the cooperation of the plurality of driving protrusions 6 and the plurality of oil passages, it is convenient to stir and mix the lubricating oil in the gear box body 1 in all directions. The sealing rubber plate 7 is movable on one side of the driving port through the sealing assembly. Through the driving port, the driving column 5 can drive the plurality of driving protrusions 6 to move in and out of the gear box body 1, so as to facilitate the installation and removal of the driving column 5 and the driving protrusion 6 in the gear box body 1. At the same time, the driving column 5 will rotate stably in the driving port. The oil outlet pipe 8 is connected to the gear box body 1. An oil outlet valve is provided on the oil outlet pipe 8. By opening the oil outlet valve, the lubricating oil in the gear box body 1 can be discharged for maintenance and replacement.

[0037] refer to Figure 2The sealing assembly includes an electric push rod 9, a connecting plate 10, a sealing rubber ring 11 and a sliding plate 12. The electric push rod 9 is installed on the outer wall of the maintenance box 4, and the output end of the electric push rod 9 is connected to the maintenance box 4. The connecting plate 10 is fixedly connected between the output end of the electric push rod 9 and the sealing rubber plate 7. The sealing rubber ring 11 is fixedly sleeved on the sealing rubber plate 7, and the sealing rubber ring 11 is provided with a connection port that matches the connecting plate 10. There are two sliding plates 12, and the two sliding plates 12 are symmetrically connected to the sealing rubber plate 7, and the inspection box 4 is connected to the maintenance box 4. A sliding groove for sliding the sliding plate 12 is provided on the inner side wall of the repair box 4, so that the connecting plate 10 can move stably in the repair box 4, so that the connecting plate 10 can drive the sealing rubber plate 7 to move stably. A moving opening that matches the driving column 5 is provided on the sealing rubber plate 7. The outer side wall of the sealing rubber ring 11 fits with the side wall of the driving opening, so that the sealing rubber plate 7 can move stably on the driving column 5. At the same time, the sealing rubber ring 11 can move stably at the driving opening, so that the sealing rubber ring 11 can stably enter the driving opening and block the driving opening.

[0038] When it is necessary to allow the lubricating oil in the gear box body 1 to flow into the maintenance box 4 through the drive port, the electric push rod 9 is started to drive the connecting plate 10 to move, so that the connecting plate 10 drives the sealing rubber plate 7 and the sealing rubber ring 11 to move, exposing the drive port, so that the lubricating oil can flow into the maintenance box 4 through the drive port.

[0039] refer to Figure 2 The mounting base includes a mounting block 13, a mounting screw 14 and a mounting screw ring 15. The mounting block 13 is provided in plurality, and the plurality of mounting blocks 13 are fixedly connected to the outer wall of the maintenance box 4. The mounting screw 14 is threadedly connected between each mounting block 13 and the outer wall of the gear box body 1, and the mounting screw ring 15 is threadedly connected to each mounting screw 14;

[0040] By cooperating with multiple mounting screws 14 and multiple mounting nut rings 15, multiple mounting blocks 13 can be installed and removed on the outer wall of the gear box body 1, so as to facilitate the installation and disassembly of the maintenance box 4, thereby facilitating the disassembly and maintenance of the motor 16, electric push rod 9 and drive column 5.

[0041] refer to Figure 2 , a mounting plate is fixedly connected to the outer wall of the gear box body 1, a motor 16 is installed on the top of the mounting plate, and the output end of the motor 16 is fixedly connected to the driving column 5;

[0042] The mounting plate facilitates the stable installation of the motor 16. At the same time, the motor 16 rotates the drive column 5, which can drive the multiple drive protrusions 6 to rotate. Through the cooperation of multiple drive protrusions 6 and multiple oil ports, the lubricating oil in the gear box body 1 can be stirred and mixed.

[0043] In this embodiment, when the lubricating oil needs to be inspected and replaced, the motor 16 is started, so that the motor 16 drives the driving column 5 to rotate, and the driving column 5 drives the multiple driving protrusions 6 to rotate, so that the multiple driving protrusions 6 and the multiple oil ports can stir and mix the lubricating oil in all directions, and then the electric push rod 9 is started, so that the electric push rod 9 drives the connecting plate 10 to move, so that the connecting plate 10 drives the sealing rubber plate 7 and the sealing rubber ring 11 to move, and the driving port is exposed, so that the lubricating oil can flow into the maintenance box 4 through the driving port, and at the same time, the oil outlet valve is opened to discharge the lubricating oil through the oil outlet pipe 8 for inspection and replacement.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gearbox oil circulation device for a raise boring machine, comprising a gearbox (1), a circulating pump (2) mounted on the gearbox (1), two circulating pipes (3) communicating with the circulating pump (2) and the gearbox (1), characterized in that: Also includes: An inspection box (4), the inspection box (4) being detachably connected to one side of the gear box body (1) via a mounting seat; A driving column (5), the driving column (5) is rotatably mounted on the maintenance box (4), and the gear box body (1) is provided with a driving port matching the driving column (5); A driving protrusion (6), wherein the driving protrusion (6) is provided in plurality, and the plurality of driving protrusions (6) are all fixedly connected to the driving column (5); An oil passage port, the oil passage port being opened on each of the driving protrusions (6); A sealing rubber plate (7), the sealing rubber plate (7) being movable and arranged on one side of the driving port through a sealing assembly; An oil outlet pipe (8), the oil outlet pipe (8) is connected to the gear box body (1).

2. The gearbox oil circulation device of a raise boring machine according to claim 1, characterized in that: The sealing assembly comprises: An electric push rod (9), the electric push rod (9) being mounted on the outer side wall of the maintenance box (4), and the output end of the electric push rod (9) being connected to the maintenance box (4); A connecting plate (10), the connecting plate (10) being fixedly connected between the output end of the electric push rod (9) and the sealing rubber plate (7); A sealing rubber ring (11), wherein the sealing rubber ring (11) is fixedly sleeved on the sealing rubber plate (7), and a connection port matching the connection plate (10) is provided on the sealing rubber ring (11); A sliding plate (12), wherein two sliding plates (12) are provided, the two sliding plates (12) are symmetrically connected to the sealing rubber plate (7), and a sliding groove for the sliding plates (12) to slide is provided on the inner side wall of the maintenance box (4).

3. The gearbox oil circulation device of a raise boring machine according to claim 2, characterized in that: The mounting base comprises: A mounting block (13), wherein the mounting block (13) is provided in plurality, and the plurality of mounting blocks (13) are all fixedly connected to the outer side wall of the maintenance box (4); a mounting screw (14) threadedly connected between each mounting block (13) and an outer side wall of the gear housing (1); A mounting screw ring (15) is threadedly connected to each of the mounting screws (14).

4. The gearbox oil circulation device of a raise boring machine according to claim 3, characterized in that: A mounting plate is fixedly connected to the outer side wall of the gear box body (1), a motor (16) is installed on the top of the mounting plate, and an output end of the motor (16) is fixedly connected to the driving column (5).

5. The gearbox oil circulation device of a raise boring machine according to claim 4, characterized in that: A sealing ring (17) is fixedly connected to the maintenance box (4), and the sealing ring (17) is in contact with the outer wall of the gear box body (1).

6. The gearbox oil circulation device of a raise boring machine according to claim 5, characterized in that: The sealing rubber plate (7) is provided with a moving opening that matches the driving column (5).

7. The raise boring rig gearbox oil circulation device according to claim 6, characterized in that: The outer side wall of the sealing rubber ring (11) is in contact with the side wall of the driving port.

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