CN219317572U

CN219317572U - Bearing lubricating structure of travelling box of coal mining machine

Info

Publication number: CN219317572U
Application number: CN202223415930.2U
Authority: CN
Inventors: 赫荣昆; 吴彦; 陈斌; 韩晨; 赵永杰
Original assignee: SHANGHAI CHUANGLI GROUP CO LTD
Current assignee: SHANGHAI CHUANGLI GROUP CO LTD
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-07
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a bearing lubricating structure of a travelling box of a coal mining machine, which comprises an oil tank, an oil pipe, a driving wheel assembly, an idler wheel assembly and a travelling wheel assembly, wherein the oil tank is provided with an oil return port, gear oil is filled in the oil tank, the driving wheel assembly is positioned above the idler wheel assembly, the idler wheel assembly is positioned above the travelling wheel assembly, the driving wheel assembly is provided with an oil inlet pipeline I and an oil outlet pipeline I, a shaft of the idler wheel assembly is provided with the oil inlet pipeline II and the oil outlet pipeline II, the shaft of the travelling wheel assembly is provided with the oil inlet pipeline III and the oil outlet pipeline III, the oil tank is connected with the oil pipe through a hinge body, the oil pipe is connected with an oil inlet pipe of a driving wheel bearing, an oil inlet pipe of the idler wheel bearing and an oil inlet pipe of the travelling wheel bearing, and an oil return pipe of the idler wheel bearing are connected with the oil return port of the travelling wheel bearing.

Description

Bearing lubricating structure of travelling box of coal mining machine

Technical Field

The utility model belongs to the technical field of coal mine mechanical equipment, and is suitable for a coal mining machine, in particular to a bearing lubrication structure of a travelling box of the coal mining machine.

Background

The bearing in the traveling box of the coal mining machine is generally grease lubrication, the bearing of the driving wheel of the individual traveling box is oil lubrication, and most of the bearing is required to be perforated in the traveling box shell or the shaft, so that grease is required to be frequently maintained and injected, otherwise, the grease is solidified to cause the blockage of the oil filling hole, the maintenance is difficult, the grease lubrication cannot take away the heat generated by the part in emergency, and the heat generated by the part can be taken away in emergency. At present, the existing oil is lubricated, the cavity is communicated with the traction part, once encountering a large stoping working face, the oil level of the driving wheel bearing can be reduced, even the oil is not lubricated in place, the lubricating effect is reduced, and the large stoping working face at home is more, so that the bearing still generates heat seriously.

Disclosure of Invention

In order to solve the problems, the utility model discloses a lubricating structure for a bearing of a travelling box of a coal mining machine, which improves an oiling mode, can obviously improve the lubricating effect of bearings at all parts, greatly reduces heating and is convenient to maintain.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model discloses a bearing lubricating structure of a travelling box of a coal mining machine, which comprises an oil tank, an oil pipe, a driving wheel assembly, an idler wheel assembly and a travelling wheel assembly, wherein an oil return port is formed in the oil tank, gear oil is filled in the oil tank, the driving wheel assembly is positioned above the idler wheel assembly, the idler wheel assembly is positioned above the travelling wheel assembly, the driving wheel assembly is provided with an oil inlet pipeline I and an oil outlet pipeline II, the shaft of the idler wheel assembly is provided with the oil inlet pipeline II and the oil outlet pipeline II, the shaft of the travelling wheel assembly is provided with the oil inlet pipeline III and the oil outlet pipeline III, the oil tank is connected with the oil pipe through a hinge body, the oil pipe is connected with a driving wheel bearing oil inlet pipe, the idler wheel bearing oil inlet pipe is connected with the travelling wheel bearing oil inlet pipeline II, the travelling wheel bearing oil inlet pipe is connected with the oil inlet pipeline III, the driving wheel bearing oil return pipe is connected with the oil outlet pipeline I, the idler wheel bearing oil return pipe is connected with the oil outlet pipeline II, and the travelling wheel bearing oil return pipe is connected with the oil outlet pipeline III.

Further, the method comprises the steps of, the joint of the oil tank and the hinge body is lower than the oil return port.

Further, the driving wheel assembly is provided with 2 oil inlet pipelines I and 2 oil outlet pipelines I, and the oil inlet pipelines I are positioned below the oil outlet pipelines I.

Further, the oil inlet pipeline of the idler wheel assembly is located below the oil outlet pipeline II.

Further, the oil inlet pipeline III of the travelling wheel assembly is positioned below the oil outlet pipeline III.

Further, the articulated body includes oil tank connecting block and oil pipe connecting block, the oil pipe connecting block is the L type, the oil pipe connecting block includes first and second, be equipped with mounting groove one in the middle of the first, second is equipped with the dashpot of intercommunication, spread groove and oil pipe mounting groove, mounting groove one and dashpot intercommunication, the oil tank connecting block includes spliced pole and fixed head, the one end of spliced pole passes second, the outside at second is fixed to the fixed head, the spliced pole is located dashpot department and is equipped with the oil outlet, the axle of oil outlet overlaps with the axle of dashpot, the spliced pole is equipped with the oil inlet groove towards oil pipe department, oil inlet groove and oil outlet intercommunication, the diameter of spliced pole is less than first, a portion of spliced pole is located first, the end of spliced pole is located the outer end of first.

Further, the second block is provided with 2 mounting holes, the shaft of each mounting hole is perpendicular to the shaft of the oil pipe mounting groove, and each mounting hole penetrates through the oil pipe mounting groove.

The beneficial effects of the utility model are as follows:

the utility model can lubricate the bearings at a plurality of positions only by oiling the oil tank, and is convenient to maintain. According to the utility model, the communicating vessel principle is adopted, the external pressure is not required to be applied independently, lubricating oil enters the bearing through the oil injection pipeline by self gravity, the oil return pipeline is used for exhausting, so that an oil way is smooth, the oil level in the bearing is ensured not to change, the oil level in the bearing is always maintained along with the change of the angle of the working surface, and the oil level in the bearing is also convenient to observe.

The utility model can ensure the lubrication effect of the traveling box of the coal mining machine under various angles and avoid damage caused by oil shortage.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

FIG. 2 is a cross-sectional view of an embodiment A-A of the present utility model.

Fig. 3 is a schematic view of oil entering and exiting the driving wheel according to an embodiment of the present utility model.

FIG. 4 is a schematic diagram of the oil inlet and outlet of an idler wheel according to an embodiment of the utility model.

FIG. 5 is a schematic illustration of the oil entering and exiting of a routine walking wheel according to an embodiment of the present utility model.

FIG. 6 is a schematic view of a hinge according to an embodiment of the present utility model.

FIG. 7 is a schematic view of another view of a hinge body according to an embodiment of the present utility model.

Fig. 8 is a cross-sectional view of a hinge body according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

As shown in the figure, the utility model discloses a bearing lubrication structure of a travelling box of a coal mining machine, which comprises an oil tank 1, an oil pipe 2, a driving wheel assembly 3, an idler wheel assembly 4 and a travelling wheel assembly 5, wherein the oil tank 1 is provided with an oil return port 101, gear oil is filled in the oil tank 1, the driving wheel assembly 3 is positioned above the idler wheel assembly 4, the idler wheel assembly 4 is positioned above the travelling wheel assembly 5, the driving wheel assembly 3 is provided with an oil inlet pipeline I6 and an oil outlet pipeline I7, the shaft of the idler wheel assembly 4 is provided with an oil inlet pipeline II 8 and an oil outlet pipeline II 9, the shaft of the travelling wheel assembly is provided with an oil inlet pipeline III 10 and an oil outlet pipeline III 11, the oil tank 1 is connected with the oil pipe 2 through a hinge body 12, the oil pipe 2 is connected with a driving wheel bearing oil inlet pipe 13, an idler wheel bearing oil inlet pipe 14 and a travelling wheel bearing oil inlet pipe 15, the driving wheel bearing oil inlet pipe 13 is connected with an oil inlet pipeline I6, the idler wheel bearing oil inlet pipe 14 is connected with an oil pipeline II 8, the travelling wheel bearing oil inlet pipe 15 is connected with an oil inlet pipeline III 10, a driving wheel bearing oil return pipe 16 is connected with an oil outlet pipeline I7, an idler wheel bearing oil return pipe 17 is connected with an oil outlet pipeline II 9, a travelling wheel bearing oil return pipe 18 is connected with an oil outlet pipeline III 11, and the driving wheel bearing oil return pipe 16, the idler wheel bearing oil return pipe 17 and the travelling wheel bearing oil return pipe 18 are connected into an oil return port 101.

The oil tank is also provided with an oil level observation cursor, so that the oil quantity can be observed in real time, and the oil tank is convenient to refuel, practical and convenient to maintain.

In one embodiment of the utility model, the connection between the tank 1 and the hinge body 12 is lower than the return port 101.

In one embodiment of the utility model, the driving wheel assembly 3 is provided with 2 oil inlet pipelines I6 and 2 oil outlet pipelines I7, and the oil inlet pipelines I6 are positioned below the oil outlet pipelines I7.

In one embodiment of the present utility model, the second oil inlet pipe 8 of the idler pulley assembly 4 is located below the second oil outlet pipe 9.

In one embodiment of the utility model, the oil inlet pipeline III 10 of the travelling wheel assembly 5 is positioned below the oil outlet pipeline III 11. The oil inlets of the driving wheel assembly 3, the idler wheel assembly 4 and the traveling wheel assembly 5 are lower than the oil outlets, so that lubricating oil can be ensured to fill the whole bearing, and the lubricating effect is ensured.

In an embodiment of the present utility model, the hinge body 12 includes an oil tank connecting block 19 and an oil pipe connecting block 20, the oil pipe connecting block 20 is L-shaped, the oil pipe connecting block includes a first block 201 and a second block 202, a mounting groove first block 201 is provided in the middle of the first block 201, the second block 202 is provided with a buffer groove 2021, a connecting groove 2022 and an oil pipe mounting groove 2023 which are communicated, the mounting groove first block is communicated with the buffer groove 2021, the oil tank connecting block 19 includes a connecting column 191 and a fixing head 192, one end of the connecting column 191 passes through the second block 202, the fixing head 192 is fixed on the outer side of the second block 202, an oil outlet 1911 is provided at the buffer groove of the connecting column 191, an axis of the oil outlet 1911 overlaps with an axis of the buffer groove 2021, an oil inlet 1912 is provided at the position of the connecting column 191 toward the oil pipe 2, the oil inlet 1912 is communicated with the oil outlet 1911, the diameter of the connecting column 191 is smaller than that of the first block 201, a part of the connecting column 191 is located in the first block 201, and the tail end of the connecting column 191 is located at the outer end of the first block 201. The hinged body has the structural design that the oil pipe 2 can be quickly replaced and also can be quickly installed, and the main point is that the oil pipe connecting block 20 can be installed in an oil tank in a threaded manner and can be fixed by using bolts. And the connection post 191 may be screw-mounted at the oil pipe connection block 20.

In one embodiment of the present utility model, the second block 202 has 2 mounting holes 2024, the axis of the mounting holes 2024 is perpendicular to the axis of the oil pipe mounting groove 2023, and the mounting holes pass through the oil pipe mounting groove. The mounting holes 2024 allow for quick removal and installation of tubing.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a coal-winning machine walking case bearing lubricating structure, a serial communication port, including the oil tank, oil pipe, drive wheel subassembly, idler subassembly and walking wheel subassembly, the oil tank is equipped with the oil return port, be equipped with gear oil in the oil tank, drive wheel subassembly is located the top of idler subassembly, idler subassembly is located the top of walking wheel subassembly, drive wheel subassembly is equipped with oil feed pipeline I and play oil pipe I, be equipped with oil feed pipeline II and play oil pipe II on the axle of idler subassembly, be equipped with oil feed pipeline III and play oil pipe III on the axle of walking wheel subassembly, the oil tank is connected with oil pipe through the articulated body, oil pipe is with drive wheel bearing oil feed pipe, idler bearing oil feed pipe and walking wheel bearing oil feed pipe are connected, drive wheel bearing oil feed pipe is connected with oil feed pipeline I, idler bearing oil feed pipe is connected with oil feed pipeline II, walking wheel bearing oil feed pipe is connected with oil feed pipeline III, drive wheel bearing oil return pipe is connected with play oil pipe I, idler bearing oil return pipe is connected with oil outlet pipe I, walking wheel bearing oil return pipe is connected with oil outlet pipe, the walking wheel bearing oil return pipe is connected with oil return port.

2. The bearing lubrication structure of a traveling case of a coal mining machine according to claim 1, wherein the connection between the oil tank and the hinge body is lower than the oil return port.

3. The bearing lubrication structure of a traveling case of a coal mining machine according to claim 1, wherein the driving wheel assembly is provided with 2 oil inlet pipes and 2 oil outlet pipes, and the oil inlet pipes are located below the oil outlet pipes.

4. The lubrication structure for a bearing of a traveling case of a coal mining machine according to claim 1, wherein the oil inlet pipe of the idler assembly is located below the oil outlet pipe II.

5. The bearing lubrication structure of a traveling box of a coal mining machine according to claim 1, wherein an oil inlet pipeline III of the traveling wheel assembly is located below an oil outlet pipeline III.

6. The bearing lubricating structure of the traveling box of the coal mining machine according to claim 1, wherein the hinge body comprises an oil tank connecting block and an oil pipe connecting block, the oil pipe connecting block is L-shaped, the oil pipe connecting block comprises a first block and a second block, a first mounting groove is formed in the middle of the first block, a buffer groove, a connecting groove and an oil pipe mounting groove are formed in the second block, the first mounting groove is communicated with the buffer groove, the oil tank connecting block comprises a connecting column and a fixing head, one end of the connecting column penetrates through the second block, the fixing head is fixed on the outer side of the second block, an oil outlet is formed in the connecting column at the buffer groove, an oil shaft of the oil outlet overlaps with an oil inlet groove is formed in the connecting column towards the oil pipe, the oil inlet groove is communicated with the oil outlet, the diameter of the connecting column is smaller than that of the first block, a part of the connecting column is located in the first block, and the tail end of the connecting column is located at the outer end of the first block.

7. The lubrication structure for the bearing of the traveling box of the coal mining machine according to claim 6, wherein the second block is provided with 2 mounting holes, the axes of the mounting holes are perpendicular to the axes of the oil pipe mounting grooves, and the mounting holes penetrate through the oil pipe mounting grooves.