CN210265801U

CN210265801U - Self-lubricating system

Info

Publication number: CN210265801U
Application number: CN201920660763.7U
Authority: CN
Inventors: 张承军; 黄京生
Original assignee: Golden Dragon Precise Copper Tube Group Inc
Current assignee: Golden Dragon Precise Copper Tube Group Inc
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-04-07
Anticipated expiration: 2029-05-09

Abstract

The utility model provides a self-lubricating system, which comprises a box body, wherein a plurality of transmission shafts are arranged in the box body in a penetrating way, an oil pump is fixedly arranged in the box body, the oil pump is externally connected with an oil suction pipe and an oil outlet pipe, the oil pump is provided with a driving mechanism, and the driving mechanism is linked with at least one transmission shaft; the automatic cycle of lubricating oil can be realized, resources are saved, manual operation is not needed, an additional motor device is not needed, trouble and labor are saved, energy consumption is reduced, and the structure design is ingenious, simple and practical.

Description

Self-lubricating system

Technical Field

The utility model relates to a bearing lubrication technology of transmission shaft in the vertical gear box specifically is a self-lubricating system.

Background

The utility model provides a drive gear box of line tubular product drawbench is vertical structure, and two transmission shaft arrangements are the structure that sets up side by side from top to bottom, because the high-speed operation of transmission shaft needs lubricate the bearing of establishing above that, and the thin oil lubrication mode is the externally mounted lubricating pump usually, and the motor drives the lubricating pump, is connected to bearing department through oil pipe and lubricates. The bearing sleeved on the lower transmission shaft can be lubricated in a soaking mode, but the bearing sleeved on the upper transmission shaft needs to be lubricated by an external oil pump, so that the energy consumption is high, and the arrangement is inconvenient.

Disclosure of Invention

To the not enough among the prior art, the utility model provides a self-lubricating system.

The utility model provides a self-lubricating system, includes the box wear to be equipped with a plurality of transmission shaft in the box, its characterized in that: the oil pump is fixedly arranged in the box body, an oil suction pipe and an oil outlet pipe are connected outside the oil pump, the oil pump is provided with a driving mechanism, and the driving mechanism is linked with at least one transmission shaft.

The utility model discloses a theory of operation: lubricating oil is injected into the bottom of the box body, the oil suction pipe is immersed into the lubricating oil, the transmission shaft drives the oil pump to work, the oil is sucked from the oil suction pipe, then the oil is discharged from the oil outlet pipe to lubricate a place needing to be lubricated in the box body, and the lubricating oil flows to the oil tank again after being lubricated, so that the lubricating oil circularly lubricates parts in the box body.

Further comprises the following steps: the oil pump comprises a barrel-shaped cylinder body, the driving mechanism comprises a piston and a connecting rod, the piston is arranged in the cylinder body in a sealing and sliding mode, one end of the connecting rod is perpendicular to and fixedly connected with the end face of one end of the piston, and the end part of the other end of the connecting rod penetrates through the end face of the cylinder body and is in sealing and sliding fit with the cylinder body;

an oil inlet and an oil outlet are respectively formed in the end parts of the two ends of the cylinder body, one-way valves are respectively installed on the oil inlet and the oil outlet, and the oil suction pipe and the oil outlet pipe are respectively connected with the oil inlet and the oil outlet in a one-to-one correspondence manner; the piston is provided with a one-way valve, and the one-way valve on the piston is communicated with the inner cavities of the cylinder bodies at two ends of the piston.

Further comprises the following steps: a return spring is arranged in the cylinder body, one end of the return spring abuts against the end face of the other end of the piston, and the other end of the return spring abuts against the cylinder body (namely the inner end face of the cylinder body).

Further comprises the following steps: the transmission shaft is fixedly sleeved with a cam, and the outer end of the connecting rod is abutted against the cam and is arranged along the cam in a sliding manner.

Further comprises the following steps: the oil outlet device comprises two transmission shafts, wherein one transmission shaft is positioned at the lower part of the box body, the other transmission shaft is positioned at the upper part of the box body, a bearing is fixedly sleeved between the transmission shafts and the box body, the outer end of a ball cavity of the bearing is arranged in a sealing manner, the inner end of the ball cavity is communicated with the box body, and an outlet of the oil outlet pipe is positioned in the ball cavity.

The utility model has the advantages that: the automatic cycle of lubricating oil can be realized, resources are saved, manual operation is not needed, an additional motor device is not needed, trouble and labor are saved, energy consumption is reduced, and the structure design is ingenious, simple and practical.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;

fig. 3 is an enlarged view of a structure of a region B in fig. 1.

In the figure 1, a transmission shaft; 11. a cam; 12. a bearing; 2. a box body; 21. lubricating oil; 3. an oil pump; 31. a cylinder body; 32. a piston; 33. a connecting rod; 34. a one-way valve; 341. a sealing ball; 342. a second return spring; 343. a housing; 35. an oil inlet; 36. an oil outlet; 37. a return spring; 4. a fixed seat; 51. an oil suction pipe; 52. an oil outlet pipe.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.

A self-lubricating system comprises a box body 2, wherein a plurality of transmission shafts 1 penetrate through the box body 2, an oil pump 3 is fixedly arranged in the box body 2 through a fixed seat 4, the oil pump 3 is externally connected with an oil suction pipe 51 and an oil outlet pipe 52, the oil pump 3 is provided with a driving mechanism, and the driving mechanism is linked with at least one transmission shaft 1;

as shown in fig. 2, the oil pump 3 includes a barrel-shaped cylinder 31, the driving mechanism includes a piston 32 and a connecting rod 33, the piston 32 is disposed in the cylinder 31 in a sealing and sliding manner, one end of the connecting rod 33 is perpendicular to and fixedly connected with an end face of one end of the piston 32, and an end portion of the other end of the connecting rod 33 penetrates through the end face of the cylinder 31 and is in sealing and sliding fit with the cylinder 31; an oil inlet 35 and an oil outlet 36 are respectively formed at the end parts of the two ends of the cylinder body 31, one-way valves are respectively installed on the oil inlet 35 and the oil outlet 36, and the oil suction pipe 51 and the oil outlet pipe 52 are respectively connected with the oil inlet 35 and the oil outlet 36 in a one-to-one correspondence manner; the piston 32 is provided with a one-way valve 34, and the one-way valve 34 on the piston 32 is communicated with the inner cavities of the cylinder 31 at the two ends of the piston 32;

a return spring 37 is arranged in the cylinder 31, one end of the return spring 37 abuts against the end surface of the other end of the piston 32, and the other end of the return spring 37 abuts against the inside of the cylinder 31, namely the inner end surface of the cylinder 31; the transmission shaft 1 is fixedly sleeved with a cam 11, and the outer end of the connecting rod 33 is abutted against the cam 11 and is arranged along the cam 11 in a sliding manner; as shown in fig. 1, the oil pump comprises two transmission shafts 1, wherein one transmission shaft 1 is located at the lower part of a box body 2, a cam 11 is located on the transmission shaft 1 at the lower part of the box body 2, the other transmission shaft 1 is located at the upper part of the box body 2, a bearing 12 is fixedly sleeved between the transmission shaft 1 and the box body 2, the outer end of a ball cavity of the bearing 12 is hermetically arranged, the inner end of the ball cavity is communicated with the box body 2, and an outlet of an oil outlet pipe 52 is located in the ball cavity; wherein, the bottom of the box body 2 is filled with lubricating oil 21, about one half of the transmission shaft 1 at the lower part of the box body 2 is immersed in the lubricating oil 21, and the outer end part of the oil suction pipe 51 is immersed in the lubricating oil 21 for oil suction.

In addition, as shown in fig. 3, the check valve includes a cylindrical housing 343, a through hole is provided in the middle of the end surfaces of both ends of the housing 343, a sealing ball 341 and a second return spring 342 are provided in the housing 343 between the end surfaces, the sealing ball 341 closes the through hole on the end surface of one end of the housing 343, one end of the second return spring 342 abuts against the sealing ball 341, and the other end of the second return spring 342 abuts against the inner end surface of the other end of the housing 343. The direction from the sealing ball 341 to the second return spring 342 on the housing 343 is defined as the positive direction, and the positive direction of the check valve is consistent with the flowing direction of the lubricating oil sequentially passing through the oil suction pipe 51, the oil pump and the oil outlet pipe 52.

The working principle of the oil pump is as follows: the connecting rod is driven to move back and forth under the combined action of the cam and the return spring, so that the piston moves in the cylinder body, under the action of the three one-way valves, the inner cavity of the cylinder body on one side of the piston absorbs oil, the inner cavity of the cylinder body on the other side of the piston discharges oil, the circulation is carried out, the oil suction pipe continuously sucks the oil, the oil discharge pipe continuously lubricates the bearing, the opening in the inner end of the ball cavity of the bearing is arranged to enable the lubricating oil to flow back to the oil tank again, and the self-lubricating process is achieved under the condition that no external.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a self-lubricating system, includes the box wear to be equipped with a plurality of transmission shaft in the box, its characterized in that: the oil pump is fixedly arranged in the box body, an oil suction pipe and an oil outlet pipe are connected outside the oil pump, the oil pump is provided with a driving mechanism, and the driving mechanism is linked with at least one transmission shaft.

2. A self-lubricating system according to claim 1, wherein: the oil pump comprises a barrel-shaped cylinder body, the driving mechanism comprises a piston and a connecting rod, the piston is arranged in the cylinder body in a sealing and sliding mode, one end of the connecting rod is perpendicular to and fixedly connected with the end face of one end of the piston, and the end part of the other end of the connecting rod penetrates through the end face of the cylinder body and is in sealing and sliding fit with the cylinder body;

3. A self-lubricating system according to claim 2, wherein: and a return spring is arranged in the cylinder body, one end of the return spring is abutted against the end surface of the other end of the piston, and the other end of the return spring is abutted against the cylinder body.

4. A self-lubricating system according to claim 3, wherein: the transmission shaft is fixedly sleeved with a cam, and the outer end of the connecting rod is abutted against the cam and is arranged along the cam in a sliding manner.

5. A self-lubricating system according to any one of claims 1 to 4, characterised in that: the oil outlet device comprises two transmission shafts, wherein one transmission shaft is positioned at the lower part of the box body, the other transmission shaft is positioned at the upper part of the box body, a bearing is fixedly sleeved between the transmission shafts and the box body, the outer end of a ball cavity of the bearing is arranged in a sealing manner, the inner end of the ball cavity is communicated with the box body, and an outlet of the oil outlet pipe is positioned in the ball cavity.