CN112196973A

CN112196973A - Take lubricated bevel gear speed reducer of oil-well pump

Info

Publication number: CN112196973A
Application number: CN202011167569.9A
Authority: CN
Inventors: 叶青
Original assignee: Jiangsu Tailong Decelerator Machinery Co Ltd
Current assignee: Jiangsu Tailong Decelerator Machinery Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-01-08

Abstract

The invention relates to the field of speed reducers, and provides a bevel gear speed reducer with oil well pump lubrication. Through installation cam on the jackshaft, the cam promotes the piston rod in the vertical direction to by spring reset piston rod, make the piston rod do the piston motion in the piston inner cylinder, thereby draw lubricating oil and deliver to the bearing frame of top through the pipeline lubrication to the bearing from the speed reducer bottom, need not extra power and can provide sufficient lubricating oil and fully lubricate the bearing with technical scheme, it is lubricated effectual.

Description

Take lubricated bevel gear speed reducer of oil-well pump

Technical Field

The invention relates to the field of speed reducers, in particular to a lubricated bevel gear speed reducer with an oil well pump.

Background

The speed reducer is applied to the mechanical field and used for transmitting torque. During operation, the bearings and gears generate a significant amount of heat due to friction. Bearings and gears of the reducer need to be lubricated. In the prior art, lubricating oil with a certain liquid level is generally injected into a speed reducer, a gear part is soaked in the lubricating oil, and the lubricating oil is thrown to a bearing by using an oil thrower to realize lubrication and cooling. For a vertical speed reducer, the output shaft is a vertical shaft, the upper bearing is generally positioned at the top of the speed reducer, and the oil thrower cannot achieve the lubricating effect.

Disclosure of Invention

In order to solve the problem that a bearing above a speed reducer is difficult to lubricate in the prior art, the invention aims to provide a bevel gear speed reducer with an oil well pump for lubrication.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

a bevel gear reducer with oil well pump lubrication comprises a box body and a multi-stage transmission mechanism arranged in the box body, wherein lubricating oil is injected into the box body, the multi-stage transmission mechanism comprises an input bevel gear shaft, more than one intermediate shaft and an output shaft, the input bevel gear shaft is meshed with a bevel gear on a first intermediate shaft, the first intermediate shaft drives the output shaft to output through one or more than one gear pair, the bevel gear shaft is supported on the box body through a bearing seat, a cam is arranged on the first intermediate shaft through a key, a vertical piston oil well pump is arranged at the bottom in the box body, the piston oil well pump comprises a piston cylinder, a piston, a spring and a lower end cover, the piston cylinder is inserted from the bottom of the box body and is limited with the bottom surface of the box body through the shoulder of the piston cylinder, the lower end cover is arranged at the bottom of the piston cylinder, the top of the piston extends out of the piston cylinder and is in abutting fit with the outer circular surface of the cam; an oil inlet communicated with the inner cavity of the piston in the speed reducer box is formed in the side wall of the piston cylinder, and the oil inlet is located in the stroke range of the piston and below the lubricating oil level; an oil duct communicated with the inner cavity of the piston is arranged in the lower end cover, and the end part of the oil duct is connected with a bearing seat corresponding to the bevel gear shaft through an oil pipe.

Furthermore, the bearing seat comprises a seat body, two upper bearings and a lower bearing, the bevel gear shaft is supported on the seat body through the two upper bearings and the lower bearing, and the seat body is fixedly connected with the box body through a screw.

Further, the lateral wall of piston cylinder is equipped with the round oil inlet.

Still further, the top of piston rod installs the round pin, the excircle face of round pin and the excircle face rolling fit of cam.

After the technical scheme is adopted, the invention has the beneficial effects that: through installation cam on the jackshaft, the cam promotes the piston rod in the vertical direction to by spring reset piston rod, make the piston rod do the piston motion in the piston inner cylinder, thereby draw lubricating oil and deliver to the bearing frame of top through the pipeline lubrication to the bearing from the speed reducer bottom, need not extra power and can provide sufficient lubricating oil and fully lubricate the bearing with technical scheme, it is lubricated effectual.

Drawings

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

fig. 2 is a transmission schematic diagram of the speed reducer.

Detailed Description

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings:

as shown in the figure, a take lubricated bevel gear speed reducer of oil-well pump, including box 1, input bevel gear axle 2, first jackshaft 3, bevel gear 4, cam 5, bearing frame 6, first gear pair 7, second jackshaft 8, second gear pair 9 and output shaft 10 are constituteed, it is first,

second jackshaft

3,8, the both ends of output shaft 10 all have bearing rotation to support in the middle part of box 1, it has lubricating oil to annotate in the box 1 for lubricate each gear and bearing, the end cover is installed respectively in the outside of each bearing. An input bevel gear shaft 2 is vertically arranged on the upper part 1 of the box body through a bearing seat 3, and the shaft end part of the input bevel gear 2 extends out of the top of the box body 1. The bearing seat 6 includes a seat body 61, two upper bearings 62 and a lower bearing 63, the input bevel gear shaft 2 is rotatably supported in the seat body 61 by the two upper bearings 62 and the lower bearing 63, and the seat body 61 is fixedly connected with the box body 1 by screws. The lower end face of the base body 61 and the input bevel gear shaft 2 are sealed by an oil seal, the upper end face of the base body 31 is provided with an end cover, and the end cover and the input bevel gear shaft 2 are sealed by an oil seal

The bevel gear shaft 2 is meshed with a bevel gear 4 on a first intermediate shaft 3, the first intermediate shaft 3 is driven by a first gear pair 7 to drive a second intermediate shaft 8, and the second intermediate shaft 8 is driven by a second gear pair 9 to drive an output shaft 10 to output. The cam 5 is installed on the first intermediate shaft 3 through a key, the vertical piston oil well pump is installed at the bottom of the box body 1, the piston oil well pump is composed of a piston cylinder 11, a piston 12, a spring 13, a lower end cover 14 and an oil pipe 15, the piston cylinder 11 is inserted into the box body from the bottom of the box body 1 and limited by the shoulder of the piston cylinder 11 and the bottom surface of the box body 1, the lower end cover 14 is installed at the bottom of the piston cylinder 11 and sealed against the piston cylinder 11, the piston cylinder 11 is fixed through the fixed connection of a screw and the outer wall of the box body 1, the piston 12 is located in the piston cylinder 11, a top piston rod of the piston 12 extends out of the piston cylinder 11, the spring 13 is extruded between the lower end surface of the piston 12 and the upper wall of the lower end cover 14, a. The side wall of the piston cylinder 11 is provided with a circle of oil inlet 17 communicating lubricating oil in the speed reducer box body with the inner cavity of the piston cylinder, and the oil inlet 17 is positioned in the stroke range of the piston and below the lubricating oil level; an oil passage 18 communicated with the inner cavity of the piston is processed in the lower end cover 14, and the end part of the oil passage 18 is connected with the bearing seat 3 corresponding to the input bevel gear shaft 2 through an oil pipe 15.

When the cam 5 rotates, the cam 5 regularly pushes the piston 12 downwards, the piston 12 pushes oil in the piston cylinder 11 out and enters the bearing seat 3 through the oil pipe 15 for lubrication, after the cam 5 passes through a high point, the spring 13 drives the piston 12 to reset, lubricating oil is sucked into the piston cylinder 11 from the box body 1 through the oil inlet 17, and the reciprocating operation is carried out so as to continuously lubricate the bearing seat.

Claims

1. A bevel gear reducer with oil pump lubrication comprises a box body and a multi-stage transmission mechanism arranged in the box body, wherein lubricating oil is injected into the box body, the multi-stage transmission mechanism comprises an input bevel gear shaft, more than one intermediate shaft and an output shaft, the input bevel gear shaft is meshed with a bevel gear on a first intermediate shaft, the first intermediate shaft drives the output shaft to output through one or more than one gear pair, the bevel gear shaft is supported on the box body through a bearing seat, the bevel gear reducer is characterized in that a cam is arranged on the first intermediate shaft through a key, a vertical piston oil pump is arranged at the bottom in the box body, the piston oil pump comprises a piston cylinder, a piston, a spring and a lower end cover, the piston cylinder is inserted from the bottom of the box body and limited with the bottom surface of the box body through the shoulder of the piston cylinder, the lower end cover is arranged at the bottom of the piston cylinder, the top of the piston extends out of the piston cylinder and is in abutting fit with the outer circular surface of the cam; an oil inlet communicated with the inner cavity of the piston in the speed reducer box is formed in the side wall of the piston cylinder, and the oil inlet is located in the stroke range of the piston and below the lubricating oil level; an oil duct communicated with the inner cavity of the piston is arranged in the lower end cover, and the end part of the oil duct is connected with a bearing seat corresponding to the bevel gear shaft through an oil pipe.

2. The lubricated bevel gear speed reducer of band-pass pump of claim 1, characterized in that, the bearing frame includes pedestal, two upper bearings and a lower bearing, and the bevel gear axle is supported in the pedestal by two upper bearings and a lower bearing, and the pedestal is by screw and box fixed connection.

3. The lubricated bevel gear speed reducer of band-pass pump according to claim 1, characterized in that, the lateral wall of piston cylinder is equipped with a round oil inlet.

4. The lubricated bevel gear reducer of band-pass pump of claim 1, characterized in that, the top of piston rod installs the round pin, the outer disc of round pin and the outer disc rolling fit of cam.