CN220051661U

CN220051661U - Multifunctional dismounting device

Info

Publication number: CN220051661U
Application number: CN202321603987.7U
Authority: CN
Inventors: 冷新宇; 袁银根; 熊默根; 熊磊; 黄杰
Original assignee: Jiangxi Huachuang New Material Co ltd
Current assignee: Jiangxi Huachuang New Material Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-11-21
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses a multifunctional dismounting device, comprising: a grip (11); the pressure-bearing table (1) is fixedly connected to one end of the grip; the guide shaft (12) is fixedly connected to the center of the bearing table and extends in a direction away from the bearing table; a check ring (3) fixedly connected to the guide shaft; the impact ring (2) is sleeved on the guide shaft in a sliding manner and is positioned between the bearing table and the check ring; the head pulling hole (13) is formed in the free end of the guide shaft and is detachably connected in the head pulling hole. The utility model has the beneficial effects that the utility model can be simultaneously used for disassembling parts such as pins, bearings and the like. The device has wide application field, and can be suitable for various complex scenes by changing different heads.

Description

Multifunctional dismounting device

Technical Field

The utility model relates to the technical field of mechanical tools, in particular to a multifunctional dismounting device.

Background

In the manufacture of mechanical designs, pins and bearings are often used for positioning and driving. When the mechanical structure is installed and maintained, the pins and the bearings are often required to be disassembled and assembled, so that the disassembly time can be greatly saved, the disassembly is convenient, and related parts and personnel are protected from being damaged. In the existing disassembly modes, a tool beating mode is mostly used, or a common pin puller is adopted for disassembly. They suffer from the following drawbacks: the tool is used for knocking and disassembling, so that certain damage can be caused to the pin and the bearing, and serious damage can be caused. The common pin puller can only be used for disassembling the pin, can not cope with various use scenes, and is inconvenient to use.

The pin disassembling device comprises a power source, a shell and a disassembling screw, wherein the upper part of the disassembling screw is positioned in the shell, the lower part of the disassembling screw extends out of the shell, the lower end of the disassembling screw is of an external thread structure matched with the internal thread at the top of the pin, the power source is positioned at the outer side of the shell, and the output shaft of the power source horizontally outputs power to drive the vertically arranged disassembling screw to operate through an intermediate transmission piece so as to extract the pin in the workpiece.

As another example, chinese patent publication No. CN214604124U discloses a bearing dismounting tool, which comprises a pin screw, a threaded push rod and a pin for hooking the bearing inner ring, wherein a push rod through hole is provided in the threaded push rod, the pin screw is in threaded connection with the push rod through hole, one end of the threaded push rod is provided with a pin hole penetrating through the push rod through hole, the pin is in sliding connection with the pin hole, one end of the pin is provided with a pin inclined plane, and one end of the pin screw is provided with a push rod tip for extruding the pin inclined plane to push the pin to extend out of the threaded push rod.

Disclosure of Invention

The utility model aims to solve the problem that the existing pin and bearing dismounting tool cannot be used universally, and provides a multifunctional dismounting device for the problem.

The technical scheme of the utility model is as follows: a multi-functional removal device comprising: a grip; the pressure-bearing table is fixedly connected to one end of the grip; the guide shaft is fixedly connected to the center of the bearing platform and extends in a direction away from the bearing platform; the check ring is fixedly connected to the guide shaft; the impact ring is sleeved on the guide shaft in a sliding manner and is positioned between the bearing table and the check ring; the head pulling hole is formed in the free end of the guide shaft and is detachably connected in the head pulling hole.

In the scheme, the pin puller is a pin puller, one end of the pin puller is in threaded connection with the puller hole, and the other end of the pin puller is in threaded connection with the pin.

In the scheme, the other end of the pin puller is provided with the external thread.

In the scheme, the other end of the pin puller is provided with the internal thread.

In the scheme, the head is a bearing head, the bearing head comprises a connecting shaft, one end of the connecting shaft is in threaded connection with the head drawing hole, and the other end of the connecting shaft is adapted with a bearing clamping sleeve.

The improvement of the scheme is that the surfaces of the grip and the impact ring are provided with anti-skid patterns.

The utility model has the beneficial effects that the utility model can be simultaneously used for disassembling parts such as pins, bearings and the like. The device has wide application fields, and can be suitable for various complex scenes by changing different heads; the grip and the impact ring are designed with anti-skid patterns, so that the use is safe and stable, the anti-skid grip and the impact ring can be used for disassembling various pins and bearings, and the disassembled parts cannot be damaged; simple structure, user, practicality and strong versatility, good stability, can save a large amount of manual work and manpower, can simply swiftly accomplish many manual work and be difficult to the dismantlement work of accomplishing.

Drawings

FIG. 1 is an overall schematic of the installation pin puller of the present utility model;

FIG. 2 is an overall schematic of the mounting bearing puller of the present utility model;

FIG. 3 is a schematic view of the cooperation of the grip, the compression table, the guide shaft and the topping hole in the present utility model;

FIG. 4 is a schematic view of an external thread start and an internal thread start in the present utility model;

FIG. 5 is a schematic view of a bearing puller according to the present utility model;

in the figure, 1, a pressure-bearing table, 2, an impact ring, 3, a retainer ring, 4, a pin pulling head, 41, an external thread pulling head, 42, an internal thread pulling head, 5, a bearing pulling head, 11, a handle, 12, a guide shaft, 13, a pulling head hole, 51, a connecting shaft, 52 and a bearing clamping sleeve.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1-5, a multi-functional dismounting device, comprising: a grip; the pressure-bearing table 1 is fixedly connected to one end of the grip; the guide shaft 12 is fixedly connected to the center of the bearing table and extends in a direction away from the bearing table; the check ring 3 is fixedly connected to the guide shaft; the impact ring 2 is sleeved on the guide shaft in a sliding manner and is positioned between the bearing platform and the check ring; the head pulling hole 13 is formed in the free end of the guide shaft and is detachably connected with the head pulling hole, and the pin head 4 or the bearing head 5 is installed according to the requirement.

Wherein the handle, the bearing platform, the guide shaft and the head pulling hole are main bearing and stress parts. The impact ring is a hollow shaft design, is arranged on the disassembly rod through a shaft hole and is a main disassembly part. The guide shaft end is designed with an inclined chamfer, and the surfaces of the grip and the impact ring are designed with anti-skid reticulate patterns, so that the operation of personnel and the skid resistance are facilitated. The check ring is welded on the guide shaft and used for blocking the impact ring to prevent the impact ring from falling off the guide shaft;

the pin puller comprises an external thread puller 41 and an internal thread puller 42 which are respectively used for disassembling an internal thread pin and an external thread pin, wherein the pin puller is a shafting design of one end connecting thread, one end pin pulling thread and a middle open spanner step. The pulling heads comprise pulling heads corresponding to pins with various sizes and are sleeve parts; the bearing puller is of a half-shaft design and is specifically divided into a connecting shaft and a bearing clamping sleeve and used for disassembling a bearing. The bearing pullouts are used in pairs, are special parts and can be designed in different structures according to different bearing disassembly working conditions.

When the multifunctional dismounting device is used for dismounting the pin, if the multifunctional dismounting device is used for dismounting an external thread pin, the internal thread head 41 with corresponding specification is installed in the head drawing hole 13, and the other end is connected with the pin. One hand holds the handle 11, the other hand holds the impact ring 2, the impact ring 2 is pulled backwards by proper force to enable the impact ring to be continuously bumped towards the handle 11, and the pin can be pulled out under the action of impact force after repeated impact for many times; if the pin is used for detaching the internal thread pin, the external thread pin 42 with corresponding specification is installed in the pin hole 13, and the other end is connected with the pin. The subsequent steps are consistent with the process of disassembling the external thread pin; if the bearing is used for disassembling the bearing, the bearing puller 5 with the corresponding specification is installed in the puller hole 13 of the disassembling rod 1, and the other end is connected with a pin. When the bearing is disassembled, the two bearing pullers 5 are used for wrapping the bearing, the bearing is disassembled by utilizing the principle of a pin puller, and the subsequent steps are consistent with the disassembly of the external thread pin.

The utility model can be used for disassembling various pins, bearings and other parts at the same time, and the disassembled parts cannot be damaged. The device has wide application field, and can be suitable for various complex scenes by changing different heads. Saving a large amount of manpower and manpower, accomplishing many manual work and being difficult to accomplish's dismantlement work.

While the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the utility model and not limiting thereof: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A multifunctional dismounting device is characterized in that: comprising the following steps: a grip (11); the pressure-bearing table (1) is fixedly connected to one end of the grip; the guide shaft (12) is fixedly connected to the center of the bearing table and extends in a direction away from the bearing table; a check ring (3) fixedly connected to the guide shaft; the impact ring (2) is sleeved on the guide shaft in a sliding manner and is positioned between the bearing table and the check ring; the head pulling hole (13) is formed in the free end of the guide shaft and is detachably connected in the head pulling hole.

2. A multi-functional removal device as defined in claim 1, wherein: the pin pulling head is a pin pulling head (4), one end of the pin pulling head is in threaded connection with the pin pulling head hole, and the other end of the pin pulling head is in threaded connection with the pin.

3. A multi-functional removal device as claimed in claim 2, wherein: the other end of the pin puller is provided with an external thread.

4. A multi-functional removal device as claimed in claim 2, wherein: the other end of the pin puller is provided with an internal thread.

5. A multi-functional removal device as defined in claim 1, wherein: the head is a bearing head (5), the bearing head comprises a connecting shaft (51), one end of the connecting shaft is in threaded connection with the head drawing hole, and the other end of the connecting shaft is provided with a bearing clamping sleeve (52) in an adapting mode.

6. A multi-functional removal device as defined in claim 1, wherein: the surfaces of the grip and the impact ring are provided with anti-skid patterns.