CN218698363U

CN218698363U - Bearing dismounting tool

Info

Publication number: CN218698363U
Application number: CN202222566911.3U
Authority: CN
Inventors: 邢贞武; 刁宇龙; 潘东安; 关亮; 张建华
Original assignee: China Nuclear Industry Maintenance Co Ltd
Current assignee: China Nuclear Industry Maintenance Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-24
Anticipated expiration: 2032-09-27

Abstract

The application provides a bearing extracting tool, the tight cover both ends of clamp pass through the connecting piece is connected, be used for right the bearing presss from both sides tightly, the tight cover is kept away from bearing one side is provided with the roof, the drive hole has been seted up on the roof, the actuating lever set up in the drive hole, the actuating lever with roof threaded connection, the base set up in on the bearing frame, the actuating lever bottom with the base rotates to be connected. This device passes through the clutch collar and installs at the bearing top, and the base is placed on the bearing frame, and clockwise rotation actuating lever makes roof and clutch collar can the rebound under spacing subassembly's fixed, makes the bearing frame slowly take out along axial direction for the bearing, improves canned motor pump bearing and dismantles efficiency, improves the bearing and takes out the in-process, and the integrality of bearing and bearing frame shortens maintenance cycle, reduces the cost of labor.

Description

Bearing dismounting tool

Technical Field

The application belongs to the technical field of canned motor pump overhauls, concretely relates to bearing extracting tool.

Background

In the field of nuclear power plants, a plurality of canned motor pumps are arranged in a nuclear island, and overhaul and daily maintenance work of the canned motor pumps are carried out every year, so that bearings of the canned motor pumps need to be detached from bearing seats. In the maintenance in the past, the bearing of canned motor pump is demolishd and is all directly upwards dragged or cooperate the screwdriver to dismantle with the hand, because canned motor pump bearing installs in the bearing room, the height that its top outstanding ability contact is too low, the atress undersize, it is comparatively difficult with the hand, when using the screwdriver cooperation to dismantle, easily cause the bearing to damage, lead to unable measurement bearing raw data, dismantle the in-process, too big wearing and tearing that also can lead to the bearing room if the screwdriver is used hard, consequently, dismantle the difficult problem of puzzlement staff to canned motor pump bearing during the maintenance always.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved lies in providing a bearing extracting tool, installs at the bearing top through the clutch collar, and the base is placed on the bearing frame, and clockwise rotation actuating lever makes roof and clutch collar can the rebound under spacing subassembly's is fixed, makes the bearing frame slowly take out along axial direction, improves canned motor pump bearing and dismantles efficiency, improves the bearing and takes out the in-process, and the integrality of bearing and bearing frame shortens maintenance cycle, reduces the cost of labor.

In order to solve the problems, the application provides a bearing dismounting tool which comprises a clamping sleeve, a connecting piece, a bearing, a top plate, a driving rod, a base, a bearing seat and a limiting assembly;

the two ends of the clamping sleeve are connected through the connecting piece and used for clamping the bearing, a top plate is arranged on one side, away from the bearing, of the clamping sleeve, a driving hole is formed in the top plate, the driving rod is arranged in the driving hole and is in threaded connection with the top plate, the base is arranged on the bearing seat, the bottom of the driving rod is rotatably connected with the base, and a limiting assembly is arranged between the base and the top plate; the driving rod is rotated, and the clamping sleeve can be driven to move up and down through the top plate.

Optionally, the limiting assembly includes: a connecting plate and a limiting plate;

the connecting plate is vertically connected with the top plate, a sliding groove is formed in the connecting plate, one end of the limiting plate is vertically connected with the base, and the other end of the limiting plate is arranged in the sliding groove in a sliding mode.

Optionally, the drive rod is a threaded rod.

Optionally, a fixed pipe is arranged on the base, the bottom of the driving rod is not provided with threads, and the bottom of the driving rod is rotatably connected with the fixed pipe.

Optionally, a fixing piece is arranged at the bottom of the top plate and matched with the driving hole, and an internal thread matched with the driving rod is formed in the middle of the fixing piece.

Optionally, the clamping sleeve comprises a fixing ring and fixing lugs, the fixing ring is of a semicircular structure, and the fixing lugs are arranged at two ends of the fixing ring.

Optionally, a fixing hole is formed in the fixing lug, and the connecting piece is detachably arranged in the fixing hole.

Optionally, the connecting piece is a screw and a nut.

Optionally, a handle is arranged on the top of the driving rod.

Advantageous effects

The embodiment of the utility model provides a bearing extracting tool who provides installs at the bearing top through the clutch collar, and the base is placed on the bearing frame, and clockwise rotation actuating lever makes roof and clutch collar can the rebound under spacing subassembly's fixed, makes the bearing frame can be taken out slowly along axial direction to the bearing, improves canned motor pump bearing and dismantles efficiency, improves the bearing and takes out the in-process, and the integrality of bearing and bearing frame shortens maintenance cycle, reduces the cost of labor.

Drawings

FIG. 1 is a block diagram of a bearing removal tool according to the present application;

fig. 2 is a structural view of the bearing dismounting tool after the bearing and the bearing seat are mounted.

The reference numerals are represented as:

1. a clamping sleeve; 101. a fixing ring; 102. fixing the lug; 2. a connecting member; 3. a bearing; 4. a top plate; 5. a drive rod; 6. a base; 7. a bearing seat; 8. a limiting component; 801. a connecting plate; 802. a limiting plate; 9. a fixed tube; 10. a fixing member; 11. a hand-held portion.

Detailed Description

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1 to 2 in combination, according to an embodiment of the present application, a bearing dismounting tool includes a clamping sleeve 1, a connecting member 2, a bearing 3, a top plate 4, a driving rod 5, a base 6, a bearing seat 7, and a limiting assembly 8; the two ends of the clamping sleeve 1 are connected through a connecting piece 2 and used for clamping the bearing 3, a top plate 4 is arranged on one side, away from the bearing 3, of the clamping sleeve 1, a driving hole is formed in the top plate 4, a driving rod 5 is arranged in the driving hole, the driving rod 5 is in threaded connection with the top plate 4, a base 6 is arranged on a bearing seat 7, the bottom of the driving rod 5 is rotatably connected with the base 6, and a limiting assembly 8 is arranged between the base 6 and the top plate 4; the driving rod 5 is rotated, and the clamping sleeve 1 can be driven to move up and down through the top plate 4. Install at bearing 3 top through clutch collar 1, base 6 is placed on bearing frame 7, clockwise rotation actuating lever 5 makes roof 4 and clutch collar 1 can the rebound under spacing subassembly 8's fixed, makes bearing 3 can slowly take bearing frame 7 out along axial direction, improves canned motor pump bearing 3 and dismantles efficiency, improves bearing 3 and takes out the in-process, and the integrality of bearing 3 and bearing frame 7 shortens maintenance cycle, reduces the cost of labor.

Specifically, the clamping sleeve 1 can clamp the outer circumferential surface of the bearing 3 protruding out of the bearing chamber part through the connecting piece 2, the clamping strength of the bearing 3 is improved, the base 6 is placed on the bearing seat 7, the base 6 is used for supporting the driving rod 5 to prevent the driving rod 5 from directly contacting the bearing seat 7 to cause damage to the bearing seat 7, meanwhile, the bearing seat 7 can also be fixed, and the dismounting efficiency of the bearing 3 is improved. Roof 4 is installed and is kept away from bearing 3 one side at clutch collar 1, the drive hole has been seted up on roof 4, actuating lever 5 passes drive hole bottom and installs on base 6, actuating

lever

5 and 4 threaded connection of roof, when clockwise rotation actuating lever 5 like this, can drive roof 4 and clutch collar 1 and upwards remove, and then, make bearing 3 slowly take out bearing frame 7 along the axial direction, can dismantle canned motor pump bearing 3, improve and dismantle efficiency, install spacing subassembly 8 between base 6 and roof 4, spacing subassembly 8's installation makes roof 4 can reciprocate along 3 axial direction of bearing, improve bearing 3 and take out the in-process, the integrality of bearing 3 and bearing room.

Spacing subassembly 8 includes: a connecting plate 801 and a limiting plate 802;

the connecting plate 801 is vertically connected with the top plate 4, a sliding groove is formed in the connecting plate 801, one end of the limiting plate 802 is vertically connected with the base 6, and the other end of the limiting plate 802 is slidably arranged in the sliding groove.

Specifically, connecting plate 801 is installed perpendicularly in roof 4 bottom, and limiting plate 802 is installed perpendicularly on base 6 to limiting plate 802 slidable mounting can carry out spacingly to roof 4 in the spout that connecting plate 801 was seted up, and when rotating drive rod 5, makes roof 4 can reciprocate along the 3 axial directions of bearing, causes the damage to the bearing room when avoiding bearing 3 to take out.

The driving rod 5 is a threaded rod.

Specifically, the driving rod 5 is a threaded rod, and the driving rod 5 is in threaded connection with the driving hole.

Be provided with fixed pipe 9 on the base 6, the screw thread has not been seted up to actuating lever 5 bottom, and actuating lever 5 bottom is connected with fixed pipe 9 rotation.

Specifically, fixed pipe 9 is vertical to be installed on base 6, and actuating lever 5 bottom is for not seting up the screw thread end, and actuating lever 5 bottom is located fixed pipe 9, and fixed pipe 9 can carry out spacing when to actuating lever 5 like this, and the actuating lever 5 of being convenient for rotates, and when rotating actuating lever 5, roof 4 can reciprocate on actuating lever 5, and actuating lever 5 bottom can rotate in fixed pipe 9.

The bottom of the top plate 4 is provided with a fixing piece 10 at the matching position with the driving hole, and the middle part of the fixing piece 10 is provided with an internal thread matched with the driving rod 5.

Specifically, threaded holes are formed in the fixing piece 10, the threads in the threaded holes are matched with the threads on the driving rod 5, the fixing piece 10 is installed at the bottom of the top plate 4 and located at the position matched with the driving holes, and the stability of the top plate 4 in use can be further improved through the installation of the fixing piece 10.

The clamping sleeve 1 comprises a fixing ring 101 and fixing lugs 102, the fixing ring 101 is of a semicircular structure, and the fixing lugs 102 are arranged at two ends of the fixing ring 101.

Specifically, the clamping sleeve 1 is composed of a fixing ring 101 and fixing lugs 102, the fixing ring 101 is of a semicircular structure and is matched with the outer circumferential surface of the bearing 3 for fixing the bearing 3, the fixing lugs 102 are located at two ends of the fixing ring 101, and the fixing lugs 102 are used for being connected with the connecting piece 2 to fix the fixing ring 101 on the outer circumferential surface of the bearing 3.

The fixing lug 102 is provided with a fixing hole, and the connecting piece 2 is detachably arranged in the fixing hole.

The connecting piece 2 is a screw and a nut.

Specifically, the fixing lug 102 is provided with a fixing hole, the connecting piece 2 is a screw and a nut, the connecting piece 2 is detachably mounted in the fixing hole, and the clamping sleeve 1 can be mounted and dismounted on the bearing 3 through the screw and the nut, so that the operation is convenient.

The top of the driving rod 5 is provided with a handheld part 11.

Specifically, the handheld portion 11 is installed at 5 tops of actuating lever, and the staff is manual or use tool rotates handheld portion 11, can rotate actuating lever 5 and realize that roof 4 and clamping sleeve 1 drive bearing 3 reciprocate, are convenient for dismantle bearing 3.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing are only preferred embodiments of the present application, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. A bearing disassembling tool is characterized by comprising a clamping sleeve (1), a connecting piece (2), a bearing (3), a top plate (4), a driving rod (5), a base (6), a bearing seat (7) and a limiting component (8);

the two ends of the clamping sleeve (1) are connected through the connecting piece (2) and used for clamping the bearing (3), a top plate (4) is arranged on one side, away from the bearing (3), of the clamping sleeve (1), a driving hole is formed in the top plate (4), the driving rod (5) is arranged in the driving hole, the driving rod (5) is in threaded connection with the top plate (4), the base (6) is arranged on the bearing seat (7), the bottom of the driving rod (5) is in rotary connection with the base (6), and a limiting assembly (8) is arranged between the base (6) and the top plate (4); the driving rod (5) is rotated, and the clamping sleeve (1) can be driven to move up and down through the top plate (4).

2. Bearing removal tool according to claim 1, wherein the stop assembly (8) comprises: a connecting plate (801) and a limiting plate (802);

the connecting plate (801) is vertically connected with the top plate (4), a sliding groove is formed in the connecting plate (801), one end of the limiting plate (802) is vertically connected with the base (6), and the other end of the limiting plate (802) is arranged in the sliding groove in a sliding mode.

3. Bearing removal tool according to claim 1, characterized in that the drive rod (5) is a threaded rod.

4. The bearing dismounting tool according to claim 3, characterized in that a fixed pipe (9) is arranged on the base (6), the bottom of the driving rod (5) is not threaded, and the bottom of the driving rod (5) is rotatably connected with the fixed pipe (9).

5. The bearing dismounting tool according to claim 4, characterized in that a fixing piece (10) is arranged at the bottom of the top plate (4) and matched with the driving hole, and an internal thread matched with the driving rod (5) is arranged in the middle of the fixing piece (10).

6. The bearing removal tool according to claim 1, wherein the clamping sleeve (1) comprises a fixing ring (101) and fixing lugs (102), the fixing ring (101) is of a semicircular structure, and the fixing lugs (102) are arranged at two ends of the fixing ring (101).

7. Tool for removing bearings according to claim 6, characterised in that the fixing lugs (102) begin with fixing holes in which the connecting elements (2) are removably arranged.

8. Bearing removal tool according to claim 1, characterized in that the connection piece (2) is a screw and nut.

9. Bearing removal tool according to claim 1, characterized in that the drive rod (5) is provided with a hand grip (11) at the top.