CN220972238U

CN220972238U - Multifunctional puller

Info

Publication number: CN220972238U
Application number: CN202322558437.4U
Authority: CN
Inventors: 薛涛; 彭继江; 梅勇; 江和望; 范宗明; 朱帅; 李欧鹏
Original assignee: SDIC XINJIANG LUOBUPO POTASH CO Ltd
Current assignee: SDIC XINJIANG LUOBUPO POTASH CO Ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-17
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a multifunctional puller, which relates to the technical field of disassembly tools and comprises a puller Ma Zhuti, wherein a puller main body comprises a jackscrew, a cross arm, a mouth gag and a grasping assembly, the cross arm is connected to the jackscrew in a threaded manner, the grasping assembly comprises two foot pull rods, foot grapples are arranged at the bottom ends of the foot pull rods, and the two foot pull rods are symmetrically arranged at two sides of the cross arm; the cross arm is provided with a mounting hole, the footing pull rod can pass through the mounting hole, rotate around the axis of the mounting hole in the mounting hole and swing along the radial direction of the mounting hole; the mouth gag is sleeved on the jackscrew, the jackscrew is further connected with an adjusting bolt in a threaded manner, and two ends of the mouth gag can respectively form external tension to the two foot pull rods by downwards fastening the adjusting bolt, so that the two foot grapples can jointly grasp a workpiece to be disassembled. The utility model can provide convenience for disassembly and disassembly of the eccentric bearing, the shaft sleeve and the clamping pieces with various irregular inner and outer diameters, and effectively improve the working efficiency.

Description

Multifunctional puller

Technical Field

The utility model relates to the technical field of disassembly tools, in particular to a multifunctional puller.

Background

In the maintenance process of the XWD cycloidal pin gear speed reducer, disassembly and maintenance of the eccentric bearing and the shaft sleeve are required, and the eccentric bearing and the shaft sleeve of the XWD cycloidal pin gear speed reducer are arranged at the bottom of the pin gear shell, so that the disassembly is inconvenient; during daily disassembly, the eccentric bearing and the shaft sleeve are taken out simultaneously by double use of the crow bars, more than 180 minutes are needed in a complete disassembly state, the labor intensity and the workload of workers are increased, the normal operation period of equipment is influenced, and larger equipment hidden danger is brought to normal operation.

Disclosure of utility model

The utility model aims to provide a multifunctional puller which solves the problems in the prior art, and can facilitate disassembly and disassembly of eccentric bearings, shaft sleeves and clamping pieces with various irregular inner and outer diameters, and effectively improve the working efficiency.

In order to achieve the above object, the present utility model provides the following solutions:

The utility model provides a multifunctional puller, which comprises a puller Ma Zhuti, wherein the puller main body comprises a jackscrew, a cross arm, a mouth opening device and a grasping assembly, the cross arm is connected to the jackscrew in a threaded manner, the grasping assembly comprises two foot pull rods, the bottom end of any foot pull rod is provided with a foot grapple, and the two foot pull rods are symmetrically arranged on two sides of the cross arm; the foot pull rod can penetrate through the mounting hole, rotate around the axis of the mounting hole in the mounting hole and swing along the radial direction of the mounting hole; the utility model discloses a quick-witted, including the roof, the roof is located on the roof, the mouth gag cover is located on the jackscrew, and can follow the jackscrew reciprocates, just still threaded connection has adjusting bolt on the jackscrew, adjusting bolt is located the top of mouth gag, through fastening downwards adjusting bolt can make the both ends of mouth gag are respectively to same two of grasping the subassembly the footing pull rod forms outside tension, so that two footing grapple on the footing pull rod grasps the work piece of waiting to dismantle jointly.

Preferably, both ends of the mouth gag are provided with a mounting groove, a rotating block is rotatably arranged in any mounting groove through a rotating shaft, and the rotating shaft is horizontally arranged and is perpendicular to the extending direction of the mouth gag; and the outer end of the mounting groove is opened, so that the rotating block can rotate outwards along the rotating shaft to tension the foot pull rod.

Preferably, the multifunctional puller further comprises a supporting cushion block, wherein the supporting cushion block is used for being arranged at the bottom end of the jackscrew so as to support the jackscrew.

Preferably, the top of the foot pull rod is further connected with a limit bolt in a threaded manner, and the limit bolt is used for limiting the position of the foot pull rod on the cross arm.

Preferably, a nut is arranged at the top of the jackscrew, so that the jackscrew can be conveniently rotated by a spanner.

Preferably, the puller body is a puller Ma Zhuti made of chromium alloy tool steel.

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

According to the utility model, the adjusting bolts are downwards fastened, so that two ends of the mouth gag respectively form outward tension on the two foot pull rods of the same grasping assembly, the foot grapples on the two foot pull rods jointly grasp a workpiece to be disassembled, then the jackscrews are rotated downwards, namely, the foot grapples can drive the workpiece to be disassembled upwards, the disassembly is completed, the operation is simple, and the working efficiency is improved.

Moreover, when the mouth gag is positioned above the cross arm, the outer disassembly workpieces such as the bearing and the like can be disassembled, and when the mouth gag is positioned below the cross arm, the inner disassembly workpieces such as the shaft sleeve and the like can be disassembled, so that the utility model can provide convenience for disassembly and disassembly of the eccentric bearing, the shaft sleeve and the clamping pieces with various irregular inner and outer diameters.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a multi-function puller in an embodiment of the present utility model;

FIG. 2 is a schematic view of a mouth gag positioned below a cross arm in an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a rotating block according to an embodiment of the present utility model;

fig. 4 is a schematic view of the mouth gag above the cross arm in an embodiment of the present utility model.

In the figure: the device comprises a 1-jackscrew, a 101-nut, a 2-mouth gag, a 201-rotating block, a 202-rotating shaft, a 3-adjusting bolt, a 4-cross arm, a 5-foot pull rod and a 6-foot grapple.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Example 1

As shown in fig. 1-4, the embodiment provides a multifunctional puller, which comprises a puller Ma Zhuti, wherein the puller main body mainly comprises a jackscrew 1, a cross arm 4, a mouth gag 2 and a grasping assembly, the cross arm 4 is in threaded connection with the jackscrew 1, the grasping assembly comprises two foot pull rods 5, the bottom end of any one foot pull rod 5 is provided with a foot grapple 6, and the two foot pull rods 5 are symmetrically arranged on two sides of the cross arm 4; the cross arm 4 is provided with a mounting hole, the diameter of the mounting hole is larger than that of the foot pull rod 5, and the foot pull rod 5 can pass through the mounting hole, rotate around the axis of the mounting hole in the mounting hole and swing along the radial direction of the mounting hole; the mouth gag 2 is sleeved on the jackscrew 1 and can move up and down along the jackscrew 1, an adjusting bolt 3 is further connected to the jackscrew 1 in a threaded manner, the adjusting bolt 3 is located above the mouth gag 2, and two ends of the mouth gag 2 can respectively form outward tension to two foot pull rods 5 of the same grasping assembly through downwards fastening the adjusting bolt 3, so that the two foot grapples 6 on the foot pull rods 5 can jointly grasp a workpiece to be disassembled.

In this embodiment, two ends of the mouth gag 2 are provided with a mounting groove, a rotating block 201 is rotatably mounted in any one of the mounting grooves through a rotating shaft 202, and the rotating shaft 202 is horizontally arranged and is perpendicular to the extending direction of the mouth gag 2; and, the outer end of the mounting groove is opened to enable the rotating block 201 to rotate outwards along the rotating shaft 202, so as to tension the foot link 5. Wherein the cross section of the rotating block 201 is triangular, and the bottom of the rotating block 201 is lower than the bottom of the mouth gag 2.

In this embodiment, the multifunctional puller further includes a supporting cushion block, where the supporting cushion block is configured to be disposed at the bottom end of the jackscrew 1, so as to support the jackscrew 1.

The working method of the embodiment is as follows:

When the inner disassembly work piece such as the shaft sleeve is disassembled, the position direction of the foot grapple 6 and the length of the foot pull rod 5 are changed, the foot grapple 6 is placed in the work piece, the supporting cushion block is placed, the adjusting bolt 3 is placed under the cross arm 4, the mouth gag 2 is sleeved again, the adjusting bolt 3 is adjusted to be horizontal with the foot pull rod 5, the mouth gag 2 is fastened downwards to form an external tension force on the foot pull rod 5, so that the foot grapple 6 is fixed, the jackscrew 1 is rotated downwards, the foot grapple 6 is forced to form an upward acting force, and the inner disassembly work piece such as the shaft sleeve is disassembled.

When the outer dismantling workpieces such as the bearings are dismantled, the adjusting bolts 3 are arranged on the jackscrews 1, the mouth gag 2 is sleeved, the cross arms 4 are rotatably arranged, the position direction of the foot grapple 6 and the length of the foot pull rod 5 are changed, the foot grapple 6 is arranged outside the workpieces, the mouth gag 2 and the foot pull rod 5 are horizontally adjusted, the adjusting bolts 3 are downwards fastened, when the rotating blocks 201 on the mouth gag 2 are contacted with the cross arms 4, the mouth gag 2 can outwards rotate, so that an external tension is formed on the position of the foot pull rod 5 above the cross arms 4, the foot grapple 6 is fixed, the jackscrews 1 are rotated downwards, the foot grapple 6 is forced to form an upward acting force, and the outer dismantling workpieces such as the bearings are dismantled.

The multifunctional puller has few assemblies, is convenient to operate, can provide convenience for disassembly and disassembly of the eccentric bearing, the shaft sleeve and the clamping pieces with various irregular inner and outer diameters, and effectively improves the working efficiency; specifically, 45 minutes are saved compared with the original overhaul time, 25% overhaul efficiency is improved, labor intensity and workload of workers are reduced, and the normal operation period of equipment is improved.

In this embodiment, a limit bolt is further screwed on the top of the foot pull rod 5, and the limit bolt is used for limiting the position of the foot pull rod 5 on the cross arm 4.

In this embodiment, a nut 101 is provided on top of the top thread 1 to facilitate turning of the top thread 1 by a wrench.

In this embodiment, the puller body is made of high-quality chromium (Cr 03) alloy tool steel, so that the overall strength is improved, and the service life is prolonged.

It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. A multifunctional puller, which is characterized in that: the puller comprises a puller body, a puller body and a gripping assembly, wherein the puller body comprises a jackscrew, a cross arm, a mouth opening device and the gripping assembly, the cross arm is in threaded connection with the jackscrew, the gripping assembly comprises two foot pull rods, the bottom end of any one foot pull rod is provided with a foot grapple, and the two foot pull rods are symmetrically arranged on two sides of the cross arm; the foot pull rod can penetrate through the mounting hole, rotate around the axis of the mounting hole in the mounting hole and swing along the radial direction of the mounting hole; the utility model discloses a quick-witted, including the roof, the roof is located on the roof, the mouth gag cover is located on the jackscrew, and can follow the jackscrew reciprocates, just still threaded connection has adjusting bolt on the jackscrew, adjusting bolt is located the top of mouth gag, through fastening downwards adjusting bolt can make the both ends of mouth gag are respectively to same two of grasping the subassembly the footing pull rod forms outside tension, so that two footing grapple on the footing pull rod grasps the work piece of waiting to dismantle jointly.

2. The multi-function puller as set forth in claim 1, wherein: the two ends of the mouth gag are provided with mounting grooves, a rotating block is rotatably arranged in any one of the mounting grooves through a rotating shaft, and the rotating shaft is horizontally arranged and is perpendicular to the extending direction of the mouth gag; and the outer end of the mounting groove is opened, so that the rotating block can rotate outwards along the rotating shaft to tension the foot pull rod.

3. The multi-function puller as set forth in claim 1, wherein: the multifunctional puller further comprises a supporting cushion block, wherein the supporting cushion block is used for being arranged at the bottom end of the jackscrew so as to support the jackscrew.

4. The multi-function puller as set forth in claim 1, wherein: the top of the footing pull rod is also connected with a limit bolt in a threaded manner, and the limit bolt is used for limiting the position of the footing pull rod on the cross arm.

5. The multi-function puller as set forth in claim 1, wherein: the top of jackscrew is provided with the nut, is convenient for through spanner rotation the jackscrew.

6. The multi-function puller as set forth in claim 1, wherein: the puller body is a puller Ma Zhuti made of chromium alloy tool steel.