CN212055755U

CN212055755U - Novel wheel box

Info

Publication number: CN212055755U
Application number: CN202020525591.5U
Authority: CN
Inventors: 王惠恩; 耿秀强; 宋波
Original assignee: XUZHOU DONGFANG TRANSMISSION MACHINERY CORP
Current assignee: XUZHOU DONGFANG TRANSMISSION MACHINERY CORP
Priority date: 2020-04-12
Filing date: 2020-04-12
Publication date: 2020-12-01
Anticipated expiration: 2030-04-12

Abstract

The utility model discloses a novel wheel box in the technical field of oil pumping units, which comprises a box seat, wherein the left side of the surface of the box seat is provided with an input shaft, four groups of elastic devices are arranged on the input shaft, fixed columns are arranged at the bottoms of the elastic devices, the bottom of the fixed column is provided with a fixed groove, the elastic device comprises an elastic piece, the left end of the elastic piece is provided with a clamping key, the left end of card key is provided with the sealed lantern ring, the surperficial middle part of case seat is provided with the jackshaft, and the fixed column fixes a position elastic device through blocking the fixed slot, and elastic device's right side surface and the surperficial in close contact with of input shaft, elastic device promote the card key left through the elasticity of self, and the card key promotes the sealed lantern ring left, and the sealed lantern ring is contacted with the case, accomplishes the sealing to the box, makes each bearing of gearbox housing can not leak at the rotation in-process lubricating oil.

Description

Novel wheel box

Technical Field

The utility model relates to a beam-pumping unit technical field specifically is a novel wheel case.

Background

The bearing mounting holes of the gear box body of the existing oil pumping unit are all on the same horizontal plane, so that the input end and the middle part in the gear box body have a lot of residual spaces, the whole occupied space of the box body is large and heavy, when lubricating oil is filled, the cavity of the part needs to be filled with more lubricating oil, the cost is increased, the existing gear box body is not good in sealing, and the bearings of the gear box body easily cause lubricating oil leakage in the rotating process. Therefore, a novel wheel box is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel wheel box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel wheel box comprises a box seat, wherein an input shaft is arranged on the left side of the surface of the box seat, four groups of elastic devices are arranged on the input shaft, fixed columns are arranged at the bottoms of the elastic devices, fixed grooves are formed in the bottoms of the fixed columns, each elastic device comprises an elastic piece, a clamping key is arranged at the left end of each elastic piece, a sealing sleeve ring is arranged at the left end of each clamping key, a sealing gasket is arranged at the bottom of each sealing sleeve ring and comprises an inner core, an upper fixing ring is arranged at the top of each inner core, a lower fixing ring is arranged at the bottom of each inner core, a sealing check ring is arranged at the left end of each inner core, an annular rubber ring is arranged at the left end of each sealing check ring, a first gear is arranged in the middle of the input shaft, an intermediate shaft is arranged in the middle of the surface of the box seat, a second gear is, an output shaft is arranged on the right side of the surface of the box base, a third gear is arranged in the middle of the output shaft, and a box cover is arranged at the rear end of the box base.

Preferably, the oil feeder comprises an oil inlet, the left end of the oil inlet is provided with an arc-shaped oil supply pipe, a connecting hole is formed in the middle of the bottom of the arc-shaped oil supply pipe, an oil guide pipe is arranged at the bottom of the connecting hole, and an oil outlet is formed in the bottom of the oil guide pipe.

Preferably, the bottom of the box base is fixedly connected with a base, and the first gear, the intermediate shaft and the output shaft are obliquely installed.

Preferably, the bearing mounting holes of the first gear, the intermediate shaft and the output shaft are located at different heights, and the first gear, the intermediate shaft and the output shaft still keep in a straight line.

Preferably, the left end of the second gear is connected with the right end of the first gear, and the right end of the second gear is connected with the left end of the third gear.

Preferably, the oil feeder is fixedly installed on the inner wall of the tank base, and the oil feeder is connected with the second gear in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the fixed column fixes the position of the elastic device through blocking the fixed groove, the right side surface of the elastic device is in close contact with the surface of the input shaft, the elastic device pushes the clamp key leftwards through the elasticity of the elastic device, the clamp key pushes the sealing sleeve ring leftwards, the sealing sleeve ring is in contact with the box, the sealing of the box body is completed, and lubricating oil can not leak in the rotating process of each bearing of the gearbox body.

2. The bearing mounting holes are changed into inclined holes, the center distance is kept unchanged, the input shaft bearing mounting holes, the middle shaft bearing mounting holes and the output shaft bearing mounting holes are gradually increased according to needs, the structure is compact, under the condition that the center distances of the holes are the same, the space and the materials are saved, and less lubricating oil needs to be filled in the gear box.

Drawings

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

FIG. 2 is a schematic view of the elastic device of the present invention;

FIG. 3 is a schematic view of the sealing gasket of the present invention;

FIG. 4 is a schematic view of the structure of the oil feeder of the present invention;

fig. 5 is a top view of the present invention.

In the figure: the oil supply device comprises a box base 1, an input shaft 2, a fixing groove 3, a fixing column 4, an elastic device 5, an elastic part 50, a clamping key 6, a sealing lantern ring 7, a sealing gasket 8, an inner core 81, an upper fixing ring 82, a lower fixing ring 83, a sealing retainer ring 84, an annular rubber ring 85, a first gear 9, a middle shaft 10, a base 101, an oil feeder 11, an oil inlet 111, an arc-shaped oil supply pipe 112, a connecting hole 113, an oil guide pipe 114, an oil outlet 115, a second gear 12, an output shaft 13, a third gear 14 and a box cover 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a novel wheel box comprises a box base 1, an input shaft 2 is arranged on the left side of the surface of the box base 1, four groups of elastic devices 5 are arranged on the input shaft 2, fixing columns 4 are arranged at the bottoms of the elastic devices 5, fixing grooves 3 are arranged at the bottoms of the fixing columns 4, each elastic device 5 comprises an elastic piece 50, a clamping key 6 is arranged at the left end of each elastic piece 50, a sealing sleeve ring 7 is arranged at the left end of each clamping key 6, each fixing column 4 positions and fixes the corresponding elastic device 5 through the corresponding clamping fixing groove 3, the right side surface of each elastic device 5 is tightly contacted with the surface of the corresponding input shaft 2, each elastic device 5 pushes the corresponding clamping key 6 leftwards through the elasticity of the corresponding elastic piece, each clamping key 6 pushes the corresponding sealing sleeve ring 7 leftwards, each sealing sleeve ring 7 is contacted with the box body 1 to complete sealing of the box body 1, a sealing gasket 8 is arranged at the bottom, the bottom of the inner core 81 is provided with a lower fixed ring 83, the left end of the inner core 81 is provided with a sealing retainer ring 84, the left end of the sealing retainer ring 81 is provided with an annular rubber ring 85, the upper fixed ring 82 and the lower fixed ring 83 fix the inner core 81 to prevent the inner core from being bent under pressure when in use and cannot well seal the hydraulic pump body, the annular rubber ring 85 is more closely attached to the inner wall of the box body 1 under the action of extrusion force to well seal the box body 1, the middle part of the input shaft 2 is provided with a first gear 9, the middle part of the surface of the box base 1 is provided with a middle shaft 10, the middle part of the middle shaft 10 is provided with a second gear 12, the upper side and the lower side of the middle shaft 10 are both provided with oil feeders 11, the oil feeders 11 feed the second gear 12, the second gear 12 transfers lubricating oil to the first gear 9 and the third gear 14 in the rotation process, so as to complete the lubrication of the, an output shaft 13 is arranged on the right side of the surface of the box base 1, a third gear 14 is arranged in the middle of the output shaft 13, and a box cover 15 is arranged at the rear end of the box base 1.

Wherein, the oil feeder 11 comprises an oil inlet 111, the left end of the oil inlet 111 is provided with an arc oil supply pipe 112, the middle of the bottom of the arc oil supply pipe 112 is provided with a connecting hole 113, the bottom of the connecting hole 113 is provided with an oil guide pipe 114, the bottom of the oil guide pipe 104 is provided with an oil outlet 115, the oil feeder 11 is fixed outside the gear of the second gear 12 and consists of the oil guide pipe 114 and the arc oil supply pipe 112, one end of the arc oil supply pipe 112 is opened as the oil inlet 111, the other end is sealed to form an oil storage structure, the middle position of the inner side of the arc oil supply pipe 112 is provided with the oil guide pipe 114, one end of the oil guide pipe 114 is communicated with the oil supply pipe 112 through the connecting hole 113, the other end is sealed and provided with the oil outlet 115, lubricating oil is filled through the oil inlet 111, the lubricating oil flows, the gear is lubricated, so that the three-shaft bearing of the speed reducer can be continuously and well lubricated, the bearing damage caused by insufficient lubrication is avoided, and the service life of the bearing of the speed reducer is prolonged;

the bottom of the box seat 1 is fixedly connected with a base 101, the first gear 9, the intermediate shaft 10 and the output shaft 13 are installed in an inclined mode, bearing installation holes are gradually increased according to needs, the structure is compact, under the condition that the center distances of all holes are the same, space and materials are saved, and less lubricating oil needs to be filled in the gear box;

the bearing mounting holes of the first gear 9, the intermediate shaft 10 and the output shaft 13 are positioned at different heights, and the first gear 9, the intermediate shaft 10 and the output shaft 13 still keep a straight line;

the left end of the second gear 12 is connected with the right end of the first gear 9, and the right end of the second gear 12 is connected with the left end of the third gear 14;

the oil feeder 11 is fixedly installed on the inner wall of the tank mount 1, and the oil feeder 11 is slidably connected with the second gear 12.

The working principle is as follows: the gear box carries out the during operation, fixed column 4 fixes a position fixedly elastic device 5 through blocking fixed slot 3, elastic device 5's right side surface and input shaft 2's surface in close contact with, elastic device 5 promotes snap 6 left through the elasticity of self, snap 6 promotes sealed lantern ring 7 left, sealed lantern ring 7 and box 1 contact, the completion is to the sealed of box 1, and go up retainer plate 82 and lower retainer plate 83 and fix inner core 81, it takes place to buckle to avoid the inner core to receive pressure when using, can not carry out good sealing to the hydraulic pump body, annular rubber circle 85 is under the effect of extrusion force, closely paste the inner wall to box 1 more, carry out further sealing to box 1, make each bearing of gear box can not leak at rotation in-process lubricating oil.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel wheel case, includes case seat (1), its characterized in that: an input shaft (2) is arranged on the left side of the surface of the box base (1), four groups of elastic devices (5) are arranged on the input shaft (2), fixing columns (4) are arranged at the bottoms of the elastic devices (5), fixing grooves (3) are arranged at the bottoms of the fixing columns (4), each elastic device (5) comprises an elastic piece (50), a clamping key (6) is arranged at the left end of each elastic piece (50), a sealing sleeve ring (7) is arranged at the left end of each clamping key (6), a sealing gasket (8) is arranged at the bottom of each sealing sleeve ring (7), each sealing gasket (8) comprises an inner core (81), an upper fixing ring (82) is arranged at the top of each inner core (81), a lower fixing ring (83) is arranged at the bottom of each inner core (81), a sealing retainer ring (84) is arranged at the left end of each inner core (81), and an annular rubber ring (85) is arranged at the left, the middle part of input shaft (2) is provided with first gear (9), the surperficial middle part of case seat (1) is provided with jackshaft (10), the middle part of jackshaft (10) is provided with second gear (12), the upper and lower both sides of jackshaft (10) all are provided with oil feeder (11), the surperficial right side of case seat (1) is provided with output shaft (13), the middle part of output shaft (13) is provided with third gear (14), the rear end of case seat (1) is provided with case lid (15).

2. The new type wheel box according to claim 1, characterized in that: the oil feeder (11) comprises an oil inlet (111), the left end of the oil inlet (111) is provided with an arc-shaped oil supply pipe (112), a connecting hole (113) is formed in the middle of the bottom of the arc-shaped oil supply pipe (112), an oil guide pipe (114) is arranged at the bottom of the connecting hole (113), and an oil outlet hole (115) is formed in the bottom of the oil guide pipe (114).

3. The new type wheel box according to claim 1, characterized in that: the bottom of the box base (1) is fixedly connected with a base (101), and the first gear (9), the intermediate shaft (10) and the output shaft (13) are installed in an inclined mode.

4. The new type wheel box according to claim 1, characterized in that: the bearing mounting holes of the first gear (9), the intermediate shaft (10) and the output shaft (13) are arranged at different heights, and the first gear (9), the intermediate shaft (10) and the output shaft (13) are still kept in a straight line.

5. The new type wheel box according to claim 1, characterized in that: the left end of the second gear (12) is connected with the right end of the first gear (9), and the right end of the second gear (12) is connected with the left end of the third gear (14).

6. The new type wheel box according to claim 1, characterized in that: the oil feeder (11) is fixedly installed on the inner wall of the box base (1), and the oil feeder (11) is connected with the second gear (12) in a sliding mode.