CN218695604U

CN218695604U - Welding limiting tool for rotor of shield pump

Info

Publication number: CN218695604U
Application number: CN202223164530.9U
Authority: CN
Inventors: 王福徕; 赵志远
Original assignee: Dalian Zhongke Mingrui Pump Co ltd
Current assignee: Dalian Zhongke Mingrui Pump Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-24
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a welding frock technical field just discloses a spacing frock of welding of canned motor pump rotor, including the protective housing, still include positioner and clamping device, positioner sets up in protective housing one side, and positioner includes: the supporting leg, fixed mounting is in the protective housing bottom, the battery, fixed mounting is in the protective housing bottom, the hand wheel, fixed mounting is in two-way threaded rod one end, two-way threaded rod rotates with the protective housing inner wall through the bearing to be connected, the friction pad, fixed cover is established there is not screw thread one end at two-way threaded rod, the movable plate, screw thread cover is established in two-way threaded rod one end, the slide opening, set up at the protective housing inner wall, place the board, fixed mounting is on the movable plate top, electric telescopic handle, fixed mounting is on placing the board top. The utility model provides a when welding process, if do not carry out the fixed welding of centre gripping to the rotor and will influence the machining precision seriously, just also can influence the holistic unbalanced problem of copper bar rotor.

Description

Welding limiting tool for rotor of shield pump

Technical Field

The utility model relates to a welding frock technical field specifically is a spacing frock of welding of canned motor pump rotor.

Background

Along with the flourishing prosperity of economy, the living standard of people is continuously improved, the development of production technology is better and better, people utilize the time of oneself more and more rigorously, in the life, our requirement to equipment is higher and higher, hope can improve the work efficiency of equipment through the innovation to equipment, reduce operating time, improve the availability factor, make it exert the maximum value, the rotor subassembly of canned motor pump is one of the core components of whole canned motor pump, according to the design of canned motor pump, the availability factor, some products can use the copper bar rotor. During the operation of the canned motor pump, the vibration quantity of the rotor assembly has a crucial influence on the operation quality and the service life of the canned motor pump. If the vibration quantity of the rotor assembly is too large, the torque force and the torque output by the rotor assembly are influenced if the vibration quantity of the rotor assembly is too large, and the design requirement cannot be met; the rotor shielding sleeve can be abraded heavily, the liquid can be fed into the rotor assembly, the performance of the motor is affected, potential safety hazards can be brought, meanwhile, abrasion of other parts can be aggravated, and the service life is shortened seriously. When the shielding pump conveys various media with inflammability, toxicity, precious property, corrosiveness or radioactivity, once a problem occurs, the whole shielding pump cannot be used, one of the main factors causing the vibration of the rotor assembly is that the unbalance amount of the rotor assembly is too large, and the whole processing technological process of the copper bar rotor can be found through observing the whole processing technological process, the processing precision on mechanical processing equipment is high, the deformation and the uneven size of the copper bar rotor cannot be caused too much, and the unbalance amount cannot be influenced too much. However, if the rotor is not clamped and fixed during the welding process, the machining accuracy is seriously affected, and the unbalance of the whole copper bar rotor is also affected. Therefore, a welding limiting tool for the rotor of the shield pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spacing frock of welding of canned motor pump rotor reaches the purpose of solving the problem that exists among the above-mentioned prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a welding limiting tool for a shield pump rotor comprises a protective shell, a positioning device and a clamping device;

the positioning device is arranged on one side of the protective shell;

the positioning device includes:

the supporting legs are fixedly arranged at the bottom end of the protective shell;

the storage battery is fixedly arranged at the bottom end of the protective shell;

the hand wheel is fixedly arranged at one end of the bidirectional threaded rod;

the bidirectional threaded rod is rotationally connected with the inner wall of the protective shell through a bearing;

the friction pad is fixedly sleeved at one end of the bidirectional threaded rod without threads;

the moving plate is sleeved at one end of the bidirectional threaded rod through threads;

the sliding hole is formed in the inner wall of the protective shell;

the placing plate is fixedly arranged at the top end of the moving plate;

electric telescopic handle, fixed mounting places the board top.

Preferably, the clamping device is arranged at the top of the protective shell;

the clamping device comprises:

the clamping frame is fixedly arranged at the output end of the electric telescopic rod;

the groove is formed in the top end of the clamping frame;

the spring is fixedly arranged on the inner wall of the groove;

the movable plate is fixedly arranged at the top end of the spring;

the clamping plate is fixedly arranged at the top end of the movable plate;

the sliding block is fixedly arranged at one end of the movable plate;

the strip hole is formed in the inner wall of the groove;

the handle, fixed mounting makes the pulling handle drive splint carry out the rebound on splint top, sets up like this for the fly leaf slides and the rebound in the recess is inside, and the spring receives tensile this moment simultaneously, places the canned motor pump rotor and loosens the handle again inside the holding frame and make the fly leaf drive splint downstream under the effect that the spring resumes elastic deformation, realizes splint and holding frame and carries out the work of pressing from both sides tight fixed to the canned motor pump rotor.

Preferably, the supporting legs are four in number, the two-way threaded rod penetrates through the inner wall of the protective shell and is in sliding connection with the inner wall of the protective shell, threads are not arranged at one end of the two-way threaded rod, the supporting effect of the four supporting legs can be more stably worked due to the arrangement, and the hand wheel is rotated to enable the two-way threaded rod to penetrate through the protective shell to conveniently rotate under the effect of the bearing.

Preferably, the movable plate and sliding hole inner wall sliding connection, the movable plate is totally two, electric telescopic handle and battery electric connection set up like this and make the movable plate can more firm under two-way threaded rod rotates and the gliding limiting displacement of sliding hole and remove, make fixed mounting remove about the more convenient drive electric telescopic handle of board of placing on movable plate top, can be more convenient carry out flexible work under electric telescopic handle and battery electric connection's effect.

Preferably, the holding frame is totally two, fly leaf and recess inner wall sliding connection set up like this and make two holding frames press from both sides tight fixed frock to the canned motor pump rotor of equidimension not, conveniently weld frock to canned motor pump rotor, and the fly leaf can be inside the recess more convenient the sliding simultaneously.

Preferably, slider and rectangular hole inner wall sliding connection, the handle is totally two, the inside and the equal fixed mounting in splint bottom of holding frame have the blotter, set up like this and make can effectually prevent to cause the condition of colliding with the damage to the canned motor pump rotor under the cushioning effect of blotter, the fly leaf reciprocates that can stabilize more under slider and the rectangular hole slip spacing effect simultaneously to can prevent that splint rebound from taking place the condition that breaks away from.

The utility model provides a spacing frock of welding of canned motor pump rotor. The method has the following beneficial effects:

(1) The utility model discloses a device can more firm work of going on under the supporting role of four supporting legs, make the two-way threaded rod pass the protective housing more convenient rotation under the effect of bearing through rotating the hand wheel, thereby make the movable plate can more firm under the gliding limiting displacement of both-way threaded rod rotation and slide opening control, make fixed mounting remove about the more convenient drive electric telescopic handle of board of placing on movable plate top, the work of stretching out and drawing back that can be more convenient under electric telescopic handle and battery electric connection's effect, thereby it places welded work to drive the canned motor pump rotor of equidimension not, the weldment work effect of device to the canned motor pump rotor has been improved.

(2) The utility model discloses a pulling handle drives splint and carries out the rebound, make the fly leaf slide and the rebound inside the recess, the spring receives tensile this moment simultaneously, place the canned pump rotor and place inside the handle that loosens again of holding frame and make the fly leaf drive splint downstream under the effect that the spring resumes elastic deformation, realize that splint and holding frame carry out the tight fixed work of clamp to the canned pump rotor, can effectually prevent to cause the circumstances of colliding with the damage to the canned pump rotor under the cushioning effect of blotter, the fly leaf can reciprocate with the rectangular hole slip spacing effect more firm simultaneously, and can prevent that splint rebound from taking place the condition that breaks away from, make the canned pump rotor can be safer weld the frock, the welding work effect of device to the canned pump rotor has been improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged front sectional view of the structure A of the present invention;

fig. 4 is a front enlarged sectional view of the structure B of the present invention.

In the figure: 1. a protective shell; 2. a positioning device; 201. supporting legs; 202. a storage battery; 203. a hand wheel; 204. a bidirectional threaded rod; 205. a friction pad; 206. moving the plate; 207. a slide hole; 208. placing the plate; 209. an electric telescopic rod; 3. a clamping device; 301. a clamping frame; 302. a groove; 303. a spring; 304. a movable plate; 305. a splint; 306. a slider; 307. a strip hole; 308. a handle.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a spacing frock of welding of canned motor pump rotor, includes protective housing 1, still includes positioner 2 and clamping device 3, and positioner 2 sets up in 1 one side of protective housing, and positioner 2 includes: the device comprises supporting legs 201, a storage battery 202, a hand wheel 203, a bidirectional threaded rod 204, a friction pad 205, four bidirectional threaded rods 204, a friction pad 204 and four bidirectional threaded rods 204, wherein the supporting legs 201 are fixedly arranged at the bottom end of the protective shell 1, the bidirectional threaded rods 204 are fixedly arranged at one ends of the bidirectional threaded rods 204 and are rotatably connected with the inner wall of the protective shell 1 through bearings, the friction pad 205 is fixedly sleeved at the end without the threads of the bidirectional threaded rods 204, the four bidirectional threaded rods 204 penetrate through the inner wall of the protective shell 1 and are slidably connected with the inner wall of the protective shell 1, the threads are not arranged at one end of the bidirectional threaded rods 204, the device can work more stably under the supporting action of the four supporting legs 201, the bidirectional threaded rods 204 can more conveniently rotate under the action of the bearings by rotating the hand wheel 203, and the bidirectional threaded rods 204 can more stably and slowly rotate under the contact action of the friction pad 205 and the inner wall of the protective shell 1, moving plate 206, the threaded sleeve is established in two-way threaded rod 204 one end, sliding hole 207, set up at the 1 inner wall of protective housing, place board 208, fixed mounting is on moving plate 206 top, electric telescopic handle 209, fixed mounting is on placing board 208 top, moving plate 206 and sliding hole 207 inner wall sliding connection, moving plate 206 is totally two, electric telescopic handle 209 and battery 202 electric connection, the setting makes moving plate 206 rotate and can more firm under the gliding limiting displacement of sliding hole 207 remove about moving plate 206 like this, make the more convenient drive electric telescopic handle 209 of placing board 208 of fixed mounting on moving plate 206 top remove about, can be more convenient the flexible work of carrying on under electric telescopic handle 209 and battery 202 electric connection's effect, thereby drive the shielding pump rotor of equidimension not and place welded work.

In this embodiment, the hand wheel 203 is rotated to enable the bidirectional threaded rod 204 to pass through the protective shell 1 to rotate under the action of the bearing, so that the moving plate 206 moves left and right under the limiting action of rotation of the bidirectional threaded rod 204 and sliding of the sliding hole 207, the placing plate 208 fixedly mounted at the top end of the moving plate 206 drives the electric telescopic rod 209 to move left and right, and accordingly shield pump rotors of different sizes are driven to place welding.

Example two:

as shown in fig. 1-4, on the basis of the first embodiment, the utility model provides a technical solution: preferably, the holding device 3 is disposed on top of the protective casing 1, and the holding device 3 includes: clamping frame 301, fixed mounting is at electric telescopic handle 209 output, recess 302, set up on clamping frame 301 top, spring 303, fixed mounting is at recess 302 inner wall, movable plate 304, fixed mounting is on spring 303 top, splint 305, fixed mounting is on movable plate 304 top, slider 306, fixed mounting is in movable plate 304 one end, rectangular hole 307, set up at recess 302 inner wall, handle 308, fixed mounting is on splint 305 top, clamping frame 301 is totally two, movable plate 304 and recess 302 inner wall sliding connection, slider 306 and rectangular hole 307 inner wall sliding connection, handle 308 is totally two, the inside and splint 305 bottom of clamping frame 301 all fixed mounting have the blotter, set up like this and make pulling handle 308 drive splint 305 to carry out the upward movement, make movable plate 304 slide and the upward movement in recess 302 inside, spring 303 receives the extension this moment, place the shielding pump rotor and loosen handle 308 again inside clamping frame 301 and make movable plate 304 drive splint 305 to move down under the effect that spring 303 resumes elastic deformation, realize that splint 305 and clamping frame 301 carry out the work of fixing to the shielding rotor, can effectually prevent to the damage the rotor of shielding pump under the effect of the clamping frame rotor 305 and the clamping the circumstances that the slide and the clamping frame 304 can prevent to carry out the damage the limit of the clamp and the slider and the clamp that the frock moves up and move down more the clamp that the slide the clamp that the slide and can take place the slide the slider and can cause the circumstances, and move the clamp that the slide the slider can prevent to the slide the slider to take place the frock under the slide more.

In this embodiment, the clamping plate 305 is driven to move upwards by pulling the handle 308, so that the movable plate 304 slides and moves upwards in the groove 302, and the spring 303 is stretched at this time, and the shield pump rotor is placed in the clamping frame 301, and then the handle 308 is loosened so that the movable plate 304 drives the clamping plate 305 to move downwards under the action of the elastic deformation of the spring 303, so that the clamping plate 305 and the clamping frame 301 clamp and fix the shield pump rotor.

When the clamping device is used, the clamping plate 305 is driven to move upwards by pulling the handle 308, the movable plate 304 slides in the groove 302 and moves upwards, meanwhile, the spring 303 is stretched at the moment, the shielding pump rotor is placed in the clamping frame 301, the handle 308 is loosened again, so that the movable plate 304 drives the clamping plate 305 to move downwards under the action of elastic deformation recovery of the spring 303, the clamping plate 305 and the clamping frame 301 clamp and fix the shielding pump rotor, the bidirectional threaded rod 204 penetrates through the protective shell 1 to rotate under the action of the bearing by rotating the hand wheel 203, the movable plate 206 moves left and right under the limiting action of rotation of the bidirectional threaded rod 204 and sliding of the sliding hole 207, the placing plate 208 fixedly installed at the top end of the movable plate 206 drives the electric telescopic rod 209 to move left and right, and the shielding pump rotors with different sizes are driven to place welded work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A welding limiting tool for a shield pump rotor comprises a protective shell (1), and is characterized by further comprising a positioning device (2) and a clamping device (3);

the positioning device (2) is arranged on one side of the protective shell (1);

the positioning device (2) comprises:

the supporting legs (201) are fixedly arranged at the bottom end of the protective shell (1);

the storage battery (202) is fixedly arranged at the bottom end of the protective shell (1);

the hand wheel (203) is fixedly arranged at one end of the bidirectional threaded rod (204);

the bidirectional threaded rod (204) is rotationally connected with the inner wall of the protective shell (1) through a bearing;

a friction pad (205) fixedly sleeved at the end without the screw thread of the bidirectional screw rod (204);

the moving plate (206) is sleeved at one end of the bidirectional threaded rod (204) through threads;

the sliding hole (207) is formed in the inner wall of the protective shell (1);

a placing plate (208) fixedly arranged at the top end of the moving plate (206);

and the electric telescopic rod (209) is fixedly arranged at the top end of the placing plate (208).

2. The welding limit tool for the rotor of the shield pump according to claim 1, wherein: the clamping device (3) is arranged at the top of the protective shell (1);

the clamping device (3) comprises:

the clamping frame (301) is fixedly arranged at the output end of the electric telescopic rod (209);

the groove (302) is formed in the top end of the clamping frame (301);

the spring (303) is fixedly arranged on the inner wall of the groove (302);

the movable plate (304) is fixedly arranged at the top end of the spring (303);

the clamping plate (305) is fixedly arranged at the top end of the movable plate (304);

the sliding block (306) is fixedly arranged at one end of the movable plate (304);

the long hole (307) is formed in the inner wall of the groove (302);

and the handle (308) is fixedly arranged at the top end of the clamping plate (305).

3. The welding limit tool for the rotor of the shield pump according to claim 1, wherein: the supporting legs (201) are four in number, the two-way threaded rod (204) penetrates through the inner wall of the protective shell (1) and is in sliding connection with the inner wall of the protective shell (1), and threads are not arranged at one end of the two-way threaded rod (204).

4. The welding limit tool for the rotor of the shield pump according to claim 1, wherein: the movable plates (206) are connected with the inner wall of the sliding hole (207) in a sliding mode, the number of the movable plates (206) is two, and the electric telescopic rods (209) are electrically connected with the storage battery (202).

5. The welding limit tool for the shielding pump rotor according to claim 2, characterized in that: the number of the clamping frames (301) is two, and the movable plate (304) is connected with the inner wall of the groove (302) in a sliding mode.

6. The welding limit tool for the rotor of the shield pump according to claim 2, wherein: the sliding blocks (306) are connected with the inner wall of the long hole (307) in a sliding mode, the number of the handles (308) is two, and buffering cushions are fixedly mounted inside the clamping frame (301) and at the bottom of the clamping plate (305).