CN219113951U

CN219113951U - Quick disassembly tool for coupler

Info

Publication number: CN219113951U
Application number: CN202223574818.3U
Authority: CN
Inventors: 张春明; 张凯瑞
Original assignee: Shanxi Weida Machinery Manufacture Co ltd
Current assignee: Shanxi Weida Transmission Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-02
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a quick coupler disassembly tool, and belongs to the technical field of maintenance of speed reducers; the device comprises a top seat, a base, a jack, a push rod, a first sleeve and a second sleeve; the top seat and the base are parallel up and down and are connected through a plurality of uniformly distributed screw rods; the center of the base is provided with a threaded hole, and the upper end of the first sleeve is connected in the threaded hole of the base; the lower end of the second sleeve is detachably connected with the threaded hole of the coupler; the first sleeve and the second sleeve are connected through a connecting sleeve; the ejector rod passes through the first sleeve and the second sleeve, one end of the ejector rod is tightly propped against the end part of the speed reducer shaft, the other end of the ejector rod is connected with the jack, and the extending end of the jack is connected with the bottom of the top seat; when the coupler is pulled, the coupler is uniformly applied, offset forces in other directions cannot occur, and the coupler can be pulled out of the speed reducer quickly and in a labor-saving manner.

Description

Quick disassembly tool for coupler

Technical Field

The utility model belongs to the technical field of maintenance of speed reducers, and particularly relates to a quick coupler disassembly tool.

Background

A coupler, also called a coupling, is a hydraulic transmission device for connecting a power source (typically an engine or an electric motor) to a working machine and transmitting torque by means of a change in the moment of liquid momentum. The hydraulic coupler is widely applied to large-scale rotating equipment, is connected with a speed reducer for use, can cause problems of oil seal oil leakage, bearing damage, speed reducer gear abrasion and the like after long-period operation, often causes equipment to be shut down for maintenance, and when the speed reducer needs maintenance, the coupler needs to be detached from the speed reducer.

The existing disassembly tool is made of columnar steel, one end of the tool is processed into external threads, the end of the tool is processed into a cylindrical shape convenient for centering, and the other end of the tool is processed into a through hole extending in a mirror image mode so as to apply external force. When the tool is used for disassembling the hydraulic coupler, one end of the columnar steel material with external threads is screwed into a threaded hole in the center of the hydraulic coupler, the end face of the columnar steel material is propped against the end face of an output shaft of the hydraulic coupler, then the other force transmission rod body penetrates through the arranged through hole, and the force transmission rod body is moved to drive the columnar steel material to rotate, so that the columnar steel material moves along the axial direction, and then the hydraulic coupler in threaded connection with the columnar steel material is driven to move relative to the output shaft, and the disassembly between the hydraulic coupler and the output shaft is realized. The columnar steel is only partially connected with the driving piece, so that various non-axial acting forces are inevitably generated on the columnar steel, the phenomenon that the bar is deviated from the center of the output shaft is caused, the disassembly difficulty is increased, and the disassembly efficiency is affected.

The prior patent CN 206614467U provides a disassembly tool for a hydraulic coupler, which comprises a push rod, a supporting sleeve and a movable driving device; the support sleeve is connected with the hydraulic coupler; the ejector rod is propped against the output shaft, and the ejector rod is driven to move relative to the support sleeve to detach the hydraulic coupler. The coupler is pulled by the pulling disc, and the pulling structure of the coupler also has non-axial acting force, so that the dismounting efficiency is influenced.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides a quick coupler disassembly tool; so as to improve the balance of the stress of the coupler in the disassembly process, and make the disassembly more labor-saving and quick.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme.

A coupler quick disassembly tool comprises a top seat, a base, a jack, a push rod, a first sleeve and a second sleeve; the top seat and the base are parallel up and down and are connected through a plurality of uniformly distributed screw rods; the center of the base is provided with a threaded hole, and the upper end of the first sleeve is connected in the threaded hole of the base; the lower end of the second sleeve is detachably connected with the threaded hole of the coupler; the first sleeve and the second sleeve are connected through a connecting sleeve; the ejector rod passes through the first sleeve and the second sleeve, one end of the ejector rod is tightly propped against the end part of the speed reducer shaft, the other end of the ejector rod is connected with the jack, and the extending end of the jack is connected with the bottom of the top seat.

Furthermore, the ejector rod is formed by detachably connecting a plurality of short rods.

Furthermore, the upper end face of the short rod is of a conical groove structure, and the lower end face of the short rod is of a conical bulge matched with the conical groove; the short rods are clamped with the conical grooves through conical protrusions to form an ejector rod perpendicular to the shaft of the speed reducer.

Still further, the taper angle of the taper groove is 60 °.

Further, one end of the ejector rod is connected with a top cover; the base of the jack is placed on the top cover.

Further, the upper end of the screw rod is connected with the footstock through a hexagonal nut, and the lower end of the screw rod is connected with the base through a hexagonal nut.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model forms a stable pulling assembly through a plurality of screws which are uniformly distributed and connected between the top seat and the base, wherein the top seat and the base are vertically parallel; through at base center adapter sleeve, adopt with sleeve pipe assorted ejector pin from whole pulling assembly center jack-up reduction gear axle, when pulling the coupler, the application of force is even, can not appear the offset force of other directions, can be fast laborsaving pull out the coupler from the reduction gear.

According to the utility model, the ejector rods are formed by connecting or clamping the plurality of short rods, and the length of the ejector rods can be adjusted according to the length of the pulling-out stroke of the coupler; through first sleeve pipe and second sleeve pipe segmentation connection, can change the second sleeve pipe according to the size of coupler via hole aperture, be applicable to the dismantlement of the coupler of multiple model, application scope is wider.

Drawings

Fig. 1 is a schematic structural diagram of a quick coupler disassembly tool according to the present utility model.

In the figure, a 1-hexagonal nut, a 2-footstock, a 3-screw, a 4-jack, a 5-top cover, a 6-third short rod, a 7-second short rod, an 8-base, a 9-first short rod, a 10-first sleeve, a 11-coupler, a 12-speed reducer shaft, a 13-second sleeve and a 14-connecting sleeve are arranged.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The following describes the technical scheme of the present utility model in detail with reference to examples and drawings, but the scope of protection is not limited thereto.

As shown in fig. 1, the present embodiment provides a quick coupler disassembly tool, which includes a circular top seat 2, a circular base 8 with steps, a jack 4, a push rod, a first sleeve 10 and a second sleeve 13. The top seat 2 and the base 8 are parallel up and down, and one surface of the base 8 with a step is far away from the top seat 2; the top seat 2 and the base 8 are connected through four uniformly distributed screw rods 3; specifically, the upper end of screw rod 3 is connected with footstock 2 outward flange through hexagon nut 1, and the lower extreme of screw rod 3 is connected with base 8 outward flange through hexagon nut 1.

A threaded hole is formed in the center of the base 8, the upper end of the first sleeve 10 is connected in the threaded hole of the base 8 through threads, and the lower end of the second sleeve 13 is detachably connected with the threaded hole of the coupler 11; the first sleeve 10 and the second sleeve 13 are connected through a connecting sleeve 14; therefore, the second sleeve 13 can be replaced according to the aperture of the through hole of the different coupler 11, and the application range of the disassembly tool is improved. The first sleeve 10 and the second sleeve 13 are tubular structures with upper and lower openings; the ejector rod passes through the first sleeve 10 and the second sleeve 13, one end of the ejector rod is tightly propped against the end part of the speed reducer shaft 12, and the other end of the ejector rod is connected with the top cover 5; the base of the jack 4 is arranged on the top cover 5, and the extending end of the jack 4 is connected with the bottom of the top seat 2.

In order to adapt to different pulling strokes of the coupler, the ejector rod in the embodiment is formed by detachably connecting a plurality of short rods. Specifically, the bottom of first quarter butt 9 matches with reduction gear shaft 12, and the top of first quarter butt 9 is the toper groove structure, and the bottom of second quarter butt 7 is the toper arch with toper groove matched with, and second quarter butt 7 passes through the toper groove and the bellied cooperation joint in the top of first quarter butt 9, and the same structure, third quarter butt 6 are connected at the top of second quarter butt 7. The bottom center of top cap 5 is provided with the toper arch, and the toper arch of top cap 5 bottom and the toper groove structure joint at third quarter butt 6 top. The short rods are clamped with the conical grooves through conical protrusions to form a push rod perpendicular to the reducer shaft 12.

The specific working process of the disassembly tool in this embodiment is as follows:

firstly, connecting four screws 3 with a base 8, connecting a first sleeve 10 with a second sleeve 13 through a connecting sleeve 14, and then connecting the upper end of the first sleeve 10 with a threaded hole in the center of the base 8; then the first short rod 9 penetrates into the second sleeve 13 and the first sleeve 10 from the bottom of the second sleeve 13, the second sleeve 13 is connected with a threaded hole of the coupler 11, and the bottom of the first short rod 9 is tightly propped against the reducer shaft 12; then the screw rod 3 is fixedly connected with the upper top seat 2; the second short rod 7 is clamped on the upper end face of the first short rod 9, the third short rod 6 is clamped on the upper end face of the second short rod 7, the top cover 5 is clamped on the upper end face of the third short rod 6, then the jack 4 is placed on the top cover 5, the extending end of the jack 4 is connected with the bottom face of the top seat 2, the jack 4 is opened, the ejector rod formed by connecting the three short rods is used for supporting the speed reducer shaft 12 through the ejector block 13 at the bottom, and the extending end of the jack 4 pulls the top seat 2, the screw rod 3, the base 8, the first sleeve 10, the second sleeve 13 and the coupler 11 to move upwards together, so that the coupler 11 is pulled out of the speed reducer.

While the utility model has been described in detail in connection with specific preferred embodiments thereof, it is not to be construed as limited thereto, but rather as a result of a simple deduction or substitution by a person having ordinary skill in the art to which the utility model pertains without departing from the scope of the utility model defined by the appended claims.

Claims

1. The quick coupler disassembly tool is characterized by comprising a top seat (2), a base (8), a jack (4), a push rod, a first sleeve (10) and a second sleeve (13); the top seat (2) and the base (8) are parallel up and down, and the top seat (2) and the base (8) are connected through a plurality of uniformly distributed screw rods (3); the center of the base (8) is provided with a threaded hole, and the upper end of the first sleeve (10) is connected in the threaded hole of the base (8); the lower end of the second sleeve (13) is detachably connected with a threaded hole of the coupler (11); the first sleeve (10) and the second sleeve (13) are connected through a connecting sleeve (14); the ejector rod passes through the first sleeve (10) and the second sleeve (13), one end of the ejector rod is tightly propped against the end part of the speed reducer shaft (12), the other end of the ejector rod is connected with the jack (4), and the extending end of the jack (4) is connected with the bottom of the top seat (2).

2. The quick coupler disassembly tool according to claim 1, wherein the ejector rod is formed by detachably connecting a plurality of short rods.

3. The quick coupler disassembly tool according to claim 2, wherein the upper end face of the short rod is of a conical groove structure, and the lower end face of the short rod is of a conical protrusion matched with the conical groove; the short rods are clamped with the conical grooves through conical protrusions to form a push rod perpendicular to the reducer shaft (12).

4. A quick coupler disassembly tool according to claim 3, wherein the taper angle of the taper groove is 60 °.

5. The quick coupler disassembly tool according to claim 1, wherein one end of the ejector rod is connected with a top cover (5); the base of the jack (4) is arranged on the top cover (5).

6. The quick coupler disassembly tool according to claim 1, wherein the upper end of the screw rod (3) is connected with the top seat (2) through a hexagonal nut (1), and the lower end of the screw rod (3) is connected with the base (8) through the hexagonal nut (1).