CN219562946U - Disassembling tool - Google Patents

Abstract

The present disclosure relates to a removal tool for will cup joint at epaxial waiting to dismantle piece and pivot separation, the removal tool includes: the balance piece is arranged above the piece to be disassembled; the base of the jack is abutted with the bottom surface of the balancing piece, the piston of the jack is abutted with the shaft end surface of the rotating shaft, and the central axis of the piston is parallel to the central axis of the rotating shaft; and the connecting piece is used for connecting the balance piece and the piece to be disassembled. So, can be with balance piece and cup joint and be connected in pivot epaxial waiting to dismantle the piece through the connecting piece to place the jack between balance piece and waiting to dismantle the piece, make the bottom surface of the base butt balance piece of jack, make the axle head face of the piston butt pivot of jack simultaneously, along with the piston of jack stretches out, will wait to dismantle the piece and take off from the pivot.

Description

Disassembling tool

Technical Field

The present disclosure relates to the field of service tools for power generation equipment, and in particular, to a removal tool.

Background

Currently, in the overhaul of a circulating water pump, the disassembly period of an impeller and a motor thrust head is a key factor directly influencing the overhaul period of the circulating water pump. In the related art, the impeller or the motor thrust head to be disassembled can be heated by adopting a heating process, but in the actual operation process, the ordinary baking handle is used for heating, the temperature rise control of the impeller or the motor thrust head is not easy to grasp, the condition that the heating temperature of the impeller or the motor thrust head is uneven exists, the expansion of the impeller or the motor thrust head is uneven, the heat is locally concentrated and can be conducted to a motor shaft, the motor shaft is caused to follow the expansion, and the heated impeller or the motor thrust head is not easy to ensure balance when the impeller or the motor thrust head is directly lifted and disassembled by using an electric hoist, so that the impeller or the motor thrust head is inclined, and the disassembly is caused to be blocked.

Disclosure of Invention

It is an object of the present disclosure to provide a dismounting tool that can dismount a piece to be dismounted, which is mounted on a rotating shaft, to solve, at least in part, the problems in the related art.

In order to achieve the above object, the present disclosure provides a detaching tool for separating a piece to be detached, which is sleeved on a rotating shaft, from the rotating shaft, the detaching tool comprising:

the balance piece is arranged above the piece to be disassembled;

the base of the jack is abutted with the bottom surface of the balancing piece, the piston of the jack is abutted with the shaft end surface of the rotating shaft, and the central axis of the piston is parallel to the central axis of the rotating shaft; and

the connecting piece is used for connecting the balance piece and the piece to be disassembled.

Optionally, the connecting piece is including being located respectively two at least threaded rods of the opposite sides of the central axis of piston, the one end threaded connection of threaded rod in wait to dismantle the piece, the threaded rod deviate from wait to dismantle the other end threaded connection of piece have the fixture block, the fixture block butt in the one side of deviation of balancing piece the jack.

Optionally, the balancing piece is provided with two strip-shaped holes respectively positioned at two opposite sides of the central axis of the piston, and the strip-shaped holes are used for the threaded rod to penetrate.

Optionally, the balancing piece includes two support pieces of interval arrangement and links firmly in two the backing plate of support piece forms between two the support piece respectively be located the backing plate both sides two bar hole, the backing plate is used for with the base butt of jack.

Optionally, the number of the backing plates is two, and the two backing plates are respectively located on two opposite sides of the two supporting pieces along the central axis of the piston.

Optionally, the balancing piece further comprises two binding parts respectively located at two sides of the backing plate.

Optionally, the balancing piece further comprises two first supporting legs located on two opposite sides of the base plate respectively, the first supporting legs are fixedly connected to the lower surface of the balancing piece, and the binding portion is formed by the portion, located between the first supporting legs and the base plate, of the balancing piece.

Optionally, the balancing piece further comprises two second supporting legs located on two opposite sides of the base plate respectively, the second supporting legs are fixedly connected to the upper surface of the balancing piece, and the binding portion is formed by the portion, located between the second supporting legs and the base plate, of the balancing piece.

Optionally, the two first legs coincide with the projections of the two second legs in the direction of the central axis of the piston.

Optionally, the first leg and the second leg are both configured as channel steel; and/or

The support is configured as a channel steel.

Through above-mentioned technical scheme, can be with the balancing piece with cup joint in the epaxial piece of waiting to dismantle and be connected to place the jack between balancing piece and waiting to dismantle, make the bottom surface of the base butt balancing piece of jack, make the axle head face of the piston butt pivot of jack simultaneously, along with the piston of jack stretches out, will wait to dismantle the piece and take off from the pivot.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:

fig. 1 is a schematic view of a structure in which a dismounting tool provided in an exemplary embodiment of the present disclosure dismantles a piece to be dismounted mounted on a rotation shaft;

FIG. 2 is a schematic structural view of a balance member provided in an exemplary embodiment of the present disclosure;

fig. 3 is a front view of a balance member provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1-a rotating shaft; 101-a piece to be disassembled; 2-clamping blocks; 3-balancing piece; 301-bar-shaped holes; 302-backing plate; 303-a binding portion; 304-a first leg; 305-a second leg; 306-a support; 4-jack; 401-a base; 402-a piston; a 5-connector; 501-a threaded rod.

Detailed Description

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.

In the present disclosure, unless otherwise indicated, terms of orientation such as "upper and lower" are used to generally refer to "upper and lower" that are opposite in the direction of gravity when the corresponding component is in use, and reference may be made to the upper and lower sides of the drawing in fig. 1. "inner and outer" means inner and outer relative to the contour of the component or structure itself. In addition, the terms "first," "second," and the like, as used in this disclosure, are used to distinguish one element from another without sequence or importance. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated.

In the related art, when the circulating water pump in the hydraulic engineering needs to be maintained, the piece to be disassembled is required to be disassembled, wherein the piece to be disassembled can be an impeller sleeved on the rotating shaft or a thrust head and the like. However, at present, to the dismantlement mode of waiting to dismantle the piece, mostly adopt heating technology to dismantle the piece, namely, will cup joint in the epaxial piece of waiting to dismantle and carry out heating treatment through roast, make the clearance appear between the piece of waiting to dismantle and the pivot by the heating, thereby be convenient for personnel dismantle it, but, in actual operation, there is the inhomogeneous condition of overcoat part heating temperature of waiting to dismantle the piece, can cause to wait to dismantle the piece after heating and expand unevenly, and the heat local is concentrated, can be conducted to the pivot, lead to the pivot to follow to wait to dismantle the piece inflation, and the balance of waiting to dismantle the piece is difficult to guarantee when the direct use electric block upwards lifts to dismantle to wait to dismantle the piece after the heating, the overcoat part slope of waiting to dismantle the piece, and the inhomogeneous slope of overcoat part inflation of waiting to dismantle, the inflation of axle and atress are uneven, all can make to dismantle the degree of difficulty grow, can also lead to spare part damage simultaneously.

Based on this, in the embodiment provided in the present disclosure, as shown in fig. 1 to 2, a disassembling tool is provided for separating a piece to be disassembled 101 sleeved on a rotating shaft 1 from the rotating shaft 1, and includes a balance piece 3, a jack 4, and a connecting piece 5, wherein the balance piece 3 can be moved to above the piece to be disassembled 101 by means of lifting by an electric hoist, then the balance piece 3 is fixedly connected with the piece to be disassembled 101 sleeved on the rotating shaft 1 through the connecting piece 5, then the jack is placed between the balance piece 3 and the piece to be disassembled 101, and the base 401 of the jack 4 is abutted with the bottom surface of the balance piece 3, the piston 402 of the jack 4 is abutted with the shaft end surface of the rotating shaft 1, wherein the central axis of the piston 402 is parallel or collinear with the central axis of the rotating shaft 1.

Through the above technical scheme, the balance piece 3 can be connected with the piece 101 to be disassembled which is sleeved on the rotating shaft 1 through the connecting piece 5, and the jack 4 is placed between the balance piece 3 and the piece 101 to be disassembled, so that the base 401 of the jack 4 is abutted against the bottom surface of the balance piece 3, and meanwhile, the piston 402 of the jack 4 is abutted against the shaft end surface of the rotating shaft 1, and the length of the connecting piece 5 for connecting the balance piece 3 and the piece 101 to be disassembled is a fixed value as shown in the reference diagram 1, so when the piston 402 of the jack 4 slowly stretches out, the piece 101 to be disassembled which is sleeved on the rotating shaft 1 moves towards the shaft end surface direction of the rotating shaft 1 until the piece 101 to be disassembled is separated from the rotating shaft 1, namely, the disassembly of the piece 101 to be disassembled is completed.

In the present disclosure, the balance member 3 may be suspended above the member to be detached 101 by an electric hoist, and after the member to be detached 101 is detached, the detached member to be detached 101 and the balance member 3 may be lifted to a preselected designated placement position together by the electric hoist.

The jack 4 selected in the present disclosure is an electro-hydraulic jack 4, and the diameter of the piston 402 of the electro-hydraulic jack 4 is smaller than the diameter of the rotating shaft 1, so that when the diameter of the piston 402 is smaller than the diameter of the rotating shaft 1, it is ensured that the piston 402 does not prevent the member to be disassembled 101 from being separated from the rotating shaft 1.

In some embodiments, referring to fig. 1, the connector 5 in the present disclosure may be at least two threaded rods 501 respectively located at opposite sides of the central axis of the piston 402, wherein the at least two oppositely disposed threaded rods 501 have the advantage that the stress of the jack 4 may be made more balanced, i.e., the base 401 of the jack 4 may stably abut against the bottom surface of the balance member 3, and the piston 402 of the jack 4 may stably abut against the rotating end surface of the rotating shaft 1.

In the present disclosure, one end of the threaded rod 501 is screwed to the fixture block 2, the fixture block 2 abuts against one side of the balance member 3 facing away from the jack 4, and the other end of the threaded rod 501 is screwed to the member to be disassembled 101, where the member to be disassembled 101 includes, but is not limited to, an impeller or a thrust head sleeved on the rotating shaft 1, the member to be disassembled 101 should itself have a threaded hole connected to the threaded rod 501, the threaded hole is a hole for fixing the member to be disassembled 101 after the rotating shaft 1, when the piston 402 of the jack 4 protrudes, a force is applied to the direction of the rotating shaft 1 facing away from the shaft end surface thereof (under the action of the force, the piston 402 pushes down against the shaft end surface of the rotating shaft 1), at this time, the threaded rod 501 applies an opposite force to the member to be disassembled 101, and the member to be disassembled 101 is pulled out from the rotating shaft 1 by the opposite force.

In some embodiments, referring to fig. 1 and 2, in the present disclosure, two bar holes 301 are provided on the balance member 3, which are respectively located on two opposite sides of the central axis of the piston 402, one end of the threaded rod 501 facing away from the to-be-detached member 101 may pass through the balance member 3 through the bar holes 301, so that the clamping block 2 abuts against the upper surface of the balance member 3, and the threaded rod 501 passing through the balance member 3 through the bar holes 301 may enable the threaded rod 501 to be located at an intermediate position of the balance member 3 (refer to an intermediate position of the balance member 3 in the width direction shown in fig. 1 or 2), so that the clamping block 2 abuts against an intermediate position of the upper surface of the balance member 3, and when the threaded rod 501 drives the to-be-detached member 101 to disengage from the rotating shaft 1, the balance member 3 may provide good force support for the threaded rod 501 and the clamping block 2 screwed onto the threaded rod 501.

In the present disclosure, the clamping block 2 may be a nut or a metal block with a threaded hole.

In some embodiments, referring to fig. 1 and 2, the balance member 3 in the present disclosure includes two supporting members 306 arranged at intervals and a pad plate 302 fixedly connected to the two supporting members 306, two bar-shaped holes 301 respectively located at both sides of the pad plate 302 are formed between the two supporting members 306, wherein the pad plate 302 is used to abut against the base 401 of the jack 4, and the pad plate 302 is located at a middle position of the supporting members 306 (refer to a middle position in a length direction of the balance member 3 shown in fig. 1 or 2), when the two threaded rods 501 pass through the bar-shaped holes 301 to set the balance member 3, one ends of the two threaded rods 501 facing away from the to-be-disassembled member 101 are located at both sides of the pad plate 302, i.e., the threaded rods 501 are located at both sides of the jack 4.

In some embodiments, referring to fig. 1 and 2, in the present disclosure, the number of the pads 302 is two, the two pads 302 are respectively located on two opposite sides of the two supports 306 along the central axis of the piston 402, and the advantage of providing the two pads 302 is that when a person needs to use the disassembling tool to disassemble the piece 101, no adjustment on the placement angle of the balance piece 3 is needed, and both the pads 302 can play a supporting role on the base 401 of the jack 4.

In some embodiments, referring to fig. 2, the balance member 3 further includes two binding portions 303 respectively located at both sides of the pad 302 in the present disclosure, that is, the binding portions 303 function as a binding band for binding the balance member 3, wherein one end of the binding band is bound on the binding portion 303 of the balance member 3, and the other end of the binding band is connected with a hook of the electric hoist.

The two binding portions 303 are provided in the present disclosure to enable the balance member 3 to be stably driven to move by the electric hoist during lifting, so that the balance member 3 is more stably suspended above the member to be disassembled 101.

In some embodiments, referring to fig. 2 and 3, the balance member 3 in the present disclosure further includes two first legs 304 respectively located at opposite sides of the pad 302, wherein the first legs 304 are fixedly connected to the lower surface of the balance member 3. The two first legs 304 can support the support 306 when the balance 3 is received.

In the present disclosure, the portion of the balance member 3 located between the first leg 304 and the pad plate 302 forms the binding portion 303, so that the binding band for lifting the balance member 3 can be bound and fitted between the first leg 304 and the pad plate 302. Further, when the balance 3 is accommodated, since it can be supported on the ground by the two first legs 304, the strap is facilitated to pass under the balance 3 to be bound on the balance 3.

In some embodiments, referring to fig. 2 and 3, the balance member 3 in the present disclosure further includes two second legs 305 respectively located at opposite sides of the pad 302, wherein the second legs 305 are fixedly connected to the upper surface of the balance member 3. The two second legs 305 can support the support 306 when the balance 3 is stored.

In the present disclosure, the portion of the balance member 3 located between the second leg 305 and the pad plate 302 forms the binding portion 303, so that the binding band for lifting the balance member 3 can be bound and fitted between the second leg 305 and the pad plate 302. Further, when the balance 3 is accommodated, since it can be supported on the ground by the two second legs 305, the strap is facilitated to pass under the balance 3 to be bound on the balance 3.

In some embodiments, referring to fig. 2 and 3, in the present disclosure, the projections of the two first legs 304 and the two second legs 305 along the central axis direction of the piston 402 are overlapped, and the first legs 304 and the second legs 305 can both play a supporting role on the supporting member 306, so that no personnel need to intentionally adjust the placement angle of the balance member 3, and the first legs 304 may be selected to contact the ground or the second legs 305 may be selected to contact the ground.

In some embodiments, referring to fig. 1 to 3, in the present disclosure, the first leg 304 and the second leg 305 may be made of channel steel as a raw material in order to reduce the manufacturing time, and similarly, the supporting member 306 may be made of channel steel as a raw material in order to reduce the manufacturing time.

Description of the use of the removal tool: the balancing piece 3 can be lifted to the upper side of the piece 101 to be dismounted through the form of lifting by an electric hoist, the threaded rod 501 is installed, namely, one end of the threaded rod 501 is in threaded connection with the piece 101 to be dismounted, the other end of the threaded rod 501 penetrates through the balancing piece 3 and is in threaded connection with the clamping block 2 through the strip-shaped hole 301, then the electric hoist is started, the balancing piece 3 is moved upwards by a small distance, the clamping block 2 is abutted against the upper surface of the balancing piece 3, then the jack 4 is installed, the jack 4 is placed between the piece 101 to be dismounted and the balancing piece 3, the base 401 of the jack 4 is abutted against the base plate 302, the piston 402 of the jack 4 is abutted against the shaft end face of the rotating shaft 1, then the jack 4 is started, the piston 402 of the jack 4 stretches out, and the piece 101 to be dismounted moves towards the direction of the shaft end face of the rotating shaft 1 along with the gradual stretching of the piston 402 until the piece 101 to be dismounted is separated from the rotating shaft 1, namely, the piece 101 to be dismounted is completely.

After the disassembly is finished, the part 101 to be disassembled and the balance piece 3 can be lifted to the appointed placement position together through the electric hoist.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.

Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims (10)

1. A removal tool for separating a piece to be removed, which is sleeved on a rotating shaft, from the rotating shaft, the removal tool comprising:

the balance piece is arranged above the piece to be disassembled;

the base of the jack is abutted with the bottom surface of the balancing piece, the piston of the jack is abutted with the shaft end surface of the rotating shaft, and the central axis of the piston is parallel to the central axis of the rotating shaft; and

the connecting piece is used for connecting the balance piece and the piece to be disassembled.

2. The removal tool of claim 1, wherein the connecting member comprises at least two threaded rods located on opposite sides of a central axis of the piston, one end of each threaded rod is in threaded connection with the piece to be removed, the other end of each threaded rod facing away from the piece to be removed is in threaded connection with a clamping block, and the clamping blocks are abutted to one side of the balancing member facing away from the jack.

3. The removal tool of claim 2, wherein the balance member is provided with two bar-shaped holes located on opposite sides of a central axis of the piston, respectively, the bar-shaped holes being penetrated by the threaded rod.

4. A removal tool as claimed in claim 3, wherein the balancing member comprises two supporting members arranged at intervals and a backing plate fixedly connected to the two supporting members, two strip-shaped holes respectively formed in two sides of the backing plate are formed between the two supporting members, and the backing plate is used for abutting against a base of the jack.

5. The removal tool of claim 4, wherein the number of pads is two, the two pads being located on opposite sides of the two supports along the central axis of the piston.

6. The removal tool of claim 4, wherein the counterbalance further comprises two binding portions on each side of the pad.

7. The removal tool of claim 6, wherein the counterbalance further comprises two first legs on opposite sides of the pad, the first legs being fixedly attached to a lower surface of the counterbalance, a portion of the counterbalance between the first legs and the pad forming the binding.

8. The removal tool of claim 7, wherein the counterbalance further comprises two second legs on opposite sides of the pad, the second legs being fixedly attached to the counterbalance upper surface, a portion of the counterbalance between the second legs and the pad forming the binding.

9. The removal tool of claim 8, wherein the two first legs are coincident with projections of the two second legs along a central axis of the piston.

10. The removal tool of claim 8, wherein the first leg and the second leg are each configured as a channel; and/or

The support is configured as a channel steel.