CN219788149U - Bearing clamping tool - Google Patents

Abstract

The utility model relates to the technical field of maintenance equipment, in particular to a bearing clamping tool. The device comprises an L-shaped main frame, a movable rod seat vertically arranged in the middle of the main frame, a movable rod which can slide up and down and is arranged near the end part of the movable rod seat, a movable chuck which is arranged at the end part of the movable rod and a fixed chuck which is arranged at the end part of a short rod of the main frame; the movable rod is sleeved with a spring, and the spring is arranged between the movable chuck and the movable rod seat. The utility model has the advantages of ingenious structural design, convenient and quick use, reduced waiting time for mounting after heating the bearing, and more contribution to the bearing mounting or replacement work, thereby improving the working efficiency. The spring clamping mechanism avoids the risk that the bearing is easy to drop and damage due to the fact that the bearing is clamped by a traditional tool, and improves the stability of the working process.

Description

Bearing clamping tool

Technical Field

The utility model relates to the technical field of maintenance equipment, in particular to a bearing clamping tool.

Background

In the petrochemical industry device area, after a certain period of operation of the motor, the bearing in the motor is damaged due to severe use environment or needs to be replaced periodically after the service life is reached. The bearing is generally in interference fit with the shaft, the waste bearing is disassembled, and in order to facilitate the installation of a new bearing, a bearing heater is generally used for heating the new bearing and then the new bearing is installed.

When the heated new bearing is moved to the end of the motor shaft, the bearing is usually clamped by a common tool or wrapped by a towel and then moved. When the common tool is used for clamping, the outer surface of the bearing is easy to damage because the common tool is made of steel, and sometimes the bearing can be damaged due to falling of the bearing caused by loose clamping. After being wrapped by a towel, the movable bearing is easy to stain, and sometimes, workers can be scalded to cause personal injury. Both of these approaches have major drawbacks.

Disclosure of Invention

The utility model provides a bearing clamping tool, which aims to solve the technical problems existing in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a bearing clamping tool which comprises an L-shaped main frame, a movable rod seat vertically arranged in the middle of the main frame, a movable rod which can slide up and down and is arranged near the end part of the movable rod seat, a movable chuck which is arranged at the bottom end of the movable rod and a fixed chuck which is arranged on the end part of a short rod of the main frame, wherein the movable chuck is arranged at the bottom end part of the movable rod seat; the movable rod is sleeved with a spring, and the spring is arranged between the movable chuck and the movable rod seat.

In one embodiment, the main frame handle is fixedly arranged at the head part of the main frame.

In one embodiment, the end of the short rod of the main frame is connected with the arc bottom of the outer surface of the fixed chuck through a short rod of a cylinder.

In an embodiment, a sliding groove extending from the end of the fixed chuck to the root of the movable rod seat is arranged on the inner side surface of the main frame.

In an embodiment, the cross section of the handle is T-shaped, and an inner hole extending inwards is formed in the bottom end of the handle.

In one embodiment, one end of the movable chuck is fixedly connected with the sliding block.

The beneficial effects achieved by the utility model are as follows:

1) The arc-shaped groove design of the chuck is suitable for clamping bearings with various specifications, and has wide application range;

2) The chuck is copper, the outer surface of the bearing is not damaged, and the damage or stains of the bearing caused by wrapping of a traditional common tool or towel are avoided;

3) The utility model has ingenious structural design and convenient and quick use, reduces the waiting time of the bearing after being heated, is more beneficial to the bearing installation or replacement work, and improves the working efficiency in this respect;

4) The spring clamping mechanism avoids the risk that the bearing is easy to drop and damage due to the fact that the bearing is clamped by a traditional tool, and improves the stability of the working process in this respect;

5) The spring clamping mechanism provided by the utility model avoids the risks of easy staining of bearings and scalding of workers after the conventional towel is wrapped, and avoids personal injury.

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 required in the embodiments or the description of the prior art will be briefly described, 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 the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the present utility model in use.

FIG. 2 is a schematic view of the structure of the present utility model in an unused state.

Fig. 3 is a schematic cross-sectional view of a portion of the structure of the present utility model.

In the figure, 1, a main frame; 2. a main frame handle; 3. a handle; 4. a movable rod; 5. a movable rod seat; 6. a spring; 7. a movable chuck; 8. fixing a chuck; 9. and (3) a bearing.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1-3, the present utility model provides a bearing clamping tool for clamping a hot bearing 9, assisting a worker in mounting the bearing 9 to a spindle.

The clamping tool comprises an L-shaped main frame 1, a movable rod seat 5 vertically arranged in the middle of the main frame 1, a movable rod 4 which can slide up and down and is arranged near the end part of the movable rod seat 5, a movable chuck 7 arranged at the bottom end of the movable rod 4 and a fixed chuck 8 arranged on the end part of a short rod of the main frame 1; the movable rod 4 is sleeved with a spring 6, and the spring 6 is arranged between the movable clamping head 7 and the movable rod seat 5.

In the embodiment of the utility model, the main frame 1 is L-shaped, a handle of the main frame 1 is fixedly arranged at the head position, a movable rod seat 5 is fixedly arranged at the middle upper part, and the end part of a short rod of the main frame 1 is connected with the arc bottom of the outer surface of the fixed chuck 8 through a short rod of a cylinder.

The inner side surface of the main frame 1 is provided with a sliding groove extending from the end part of the fixed chuck 8 to the root part of the movable rod seat 5, and the sliding groove is used for sliding a sliding block fixedly arranged at one end of the movable chuck 7 up and down in the sliding groove.

In the embodiment of the utility model, the end part of the main frame 1 is provided with a main frame 1 handle, the main frame 1 handle is a rectangular frame body, and the upper frame of the main frame 1 handle is covered with plastic materials, and the shape accords with the ergonomic design.

In the embodiment of the utility model, the cross section of the handle 3 is T-shaped, the whole handle 3 is made of plastic, the bottom end of the handle 3 is provided with an inner hole extending inwards, and the head of the movable rod 4 is embedded into the inner hole at the bottom end of the handle 3 and is adhered with the inner hole. Wherein, the diameter of the bottom end of the handle 3 is larger than the diameter of the opening hole at the outer end part of the movable rod seat 5 for limiting.

The head of the movable rod 4 is adhered to an inner hole formed in the bottom end of the T-shaped lifting handle 3, the movable rod 4 penetrates through a through hole formed in one end of the movable rod seat 5 and then is sleeved with the spring 6, and the bottom end of the movable rod 4 is fixedly connected with the arc top of the outer surface of the movable chuck 7. The movable rod 4 can drive the movable clamping head 7 to slide up and down in the sliding groove of the main frame 1.

One end of the movable rod seat 5 is provided with a through hole for passing through the movable rod 4. The other end of the movable rod seat 5 is fixedly arranged near the middle part of the main frame 1.

The spring 6 is sleeved on the movable rod 4, the top end of the spring 6 is propped against the lower surface of the movable rod seat 5, the bottom end of the spring 6 is propped against the arc top of the outer surface of the movable chuck 7, and the spring 6 is used for assisting in clamping the bearing 9.

The movable chuck 7 is of an arc-shaped grooved structure, the cross section of the movable chuck is U-shaped, and the movable chuck is made of copper; the arc top of the outer surface is fixedly connected with the bottom end of the movable rod 4, one end of the movable chuck 7 is fixedly connected with a sliding block, the width of the sliding block is slightly smaller than the inner width of the sliding groove of the main frame 1, and the movable chuck 7 can slide up and down in the sliding groove of the main frame 1. In the initial state, the movable clamp 7 is buckled with the fixed clamp 8 under the action of the spring 6.

The fixed chuck 8 is of an arc-shaped grooved structure, the cross section of the fixed chuck is U-shaped, the fixed chuck is made of copper, and the arc bottom of the outer surface is connected with the end part of the short rod of the main frame 1 through a cylinder short rod. The fixed clamping head 8 is fixedly arranged near the bottom of the main frame 1 through a fixed block with one end fixedly connected.

The specific use is as follows:

after the bearing 9 is heated on the bearing 9 heating table, firstly lifting the handle 3 upwards for separating the movable chuck 7 from the fixed chuck 8 by a proper distance;

further from one side of the bearing 9, the two chucks are sleeved after being aligned with the bearing 9;

the lifting handle 3 is further gradually released, and the two chucks can firmly clamp the bearing 9 in the arc-shaped grooves of the two chucks through the tension of the compressed springs 6;

further lifting the handle, extracting a yoke of a bearing 9 heater in the inner ring of the bearing 9, and moving the bearing 9 to be sleeved on a motor shaft of the bearing 9 to be installed;

the lifting handle 3 is further lifted, so that the bearing 9 can be further installed after the bearing is taken down.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (5)

1. A bearing clamping tool, characterized in that: the device comprises an L-shaped main frame (1), a movable rod seat (5) vertically arranged in the middle of the main frame (1), a movable rod (4) which is arranged near the end part of the movable rod seat (5) and can slide up and down, a movable chuck (7) arranged at the bottom end of the movable rod (4) and a fixed chuck (8) arranged on the end part of a short rod of the main frame (1); the movable rod (4) is sleeved with a spring (6), and the spring (6) is arranged between the movable clamping head (7) and the movable rod seat (5).

2. A bearing gripping tool as claimed in claim 1, wherein: the handle of the main frame (1) is fixedly arranged at the head part of the main frame (1).

3. A bearing gripping tool as claimed in claim 2, wherein: the end part of the short rod of the main frame (1) is connected with the arc bottom of the outer surface of the fixed chuck (8) through a cylinder short rod.

4. A bearing clamping tool according to any one of claims 1 to 3, wherein: the inner side surface of the main frame (1) is provided with a sliding groove extending from the end part of the fixed clamping head (8) to the root part of the movable rod seat (5).

5. A bearing gripping tool as claimed in claim 1, wherein: one end of the movable chuck (7) is fixedly connected with a sliding block.