CN220863899U

CN220863899U - Thermal state rotator dismouting frock

Info

Publication number: CN220863899U
Application number: CN202322761742.3U
Authority: CN
Inventors: 彭湃; 张飞; 顾波; 杨荣青; 宋崧
Original assignee: MCC Baosteel Technology Services Co Ltd
Current assignee: MCC Baosteel Technology Services Co Ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-04-30
Anticipated expiration: 2033-10-13

Abstract

The utility model discloses a thermal state rotating body dismounting tool and a dismounting method in the technical field of thermal state bearing dismounting, comprising a left movable frame, a right movable frame, a left pull rod, a right pull rod, a left chuck, a right chuck and a locking piece, wherein the right movable frame and the left movable frame are transversely arranged at intervals; the left pull rod is arranged at the left side of the left moving frame, and the shaft end of the left pull rod can transversely penetrate through the left moving frame and is fixedly connected with the right moving frame; the axle head of right pull rod can be removed transversely run through right movable frame and with left movable frame fixed connection, left chuck sets up in the left movable frame and is close to one side of right movable frame, right chuck sets up in the right movable frame and is close to one side of left movable frame, retaining member and left movable frame fixed connection, and retaining member can with right pull rod axial fixed connection. The dismounting tool improves the construction efficiency, reduces the labor intensity and reduces the safety risk.

Description

Thermal state rotator dismouting frock

Technical Field

The utility model relates to the technical field of disassembly and assembly of thermal state bearings, in particular to a disassembly and assembly tool of a thermal state rotating body.

Background

A large number of transmission devices exist in the cold rolling area, and the tooth type coupling and the bearing spare parts (hereinafter referred to as rotating body spare parts) need to be replaced periodically due to abrasion caused by long-term use; the spare parts of the rotating body are in interference fit with the shaft ends, and the spare parts of the rotating body are heated to expand and then are reinstalled.

In actual production activities, after the spare parts of the rotating body are heated to the specified temperature, the spare parts of the rotating body need to be immediately taken up for reloading, otherwise, the spare parts of the rotating body need to be reworked after the expansion coefficient is lost due to temperature reduction, and in severe cases, even the spare parts of the rotating body are directly blocked due to premature cooling when the spare parts of the rotating body are reloaded to half of the spare parts of the rotating body due to too low temperature. The existing replacement mode is as follows: the bearing heater and the medium-frequency induction heater are used for heating the rotating body, the heated rotating body spare parts are high in temperature, the heated rotating body spare parts are required to be combined by being lifted to the installation position through the resultant force of two persons after being bundled by using steel wires, the rotating body spare parts are easy to loose in the moving process, the rotating body spare parts are difficult to be matched with the shaft ends in a coaxial mode rapidly due to too large shaking, reworking is caused by slight careless assembly failure, time and labor are consumed, and the danger is high.

Therefore, how to quickly and safely realize the reinstallation of the spare parts of the rotating body at the shaft end becomes a technical problem to be solved by the technicians in the field.

Disclosure of utility model

Therefore, the utility model aims to provide a thermal state rotating body dismounting tool for solving the technical problems that the existing thermal state rotating body is inconvenient to assemble back on the shaft end and dangerous.

The application adopts the technical means that: a thermal state rotator disassembly and assembly tool comprising:

the left moving frame is arranged along the vertical direction;

The right moving frame is arranged along the vertical direction, and the right moving frame and the left moving frame are transversely arranged at intervals;

the left pull rod is arranged at the left side of the left moving frame, and the shaft end of the left pull rod can transversely penetrate through the left moving frame in a moving way and is fixedly connected with the right moving frame;

the right pull rod is arranged on the right side of the right moving frame, and the shaft end of the right pull rod can transversely penetrate through the right moving frame in a moving way and is fixedly connected with the left moving frame;

The left clamping head is fixedly connected with the left moving frame and is arranged on one side of the left moving frame, which is close to the right moving frame;

The right clamping head is fixedly connected with the right moving frame and is arranged on one side of the right moving frame, which is close to the left moving frame;

the locking piece is fixedly connected with the left moving frame, and the locking piece can be axially and fixedly connected with the right pull rod.

Preferably, the left pull rod and the right pull rod are U-shaped rods; the two shaft ends of the right pull rod are positioned at the inner sides of the two shaft ends of the left pull rod.

Preferably, the left chuck and the right chuck are both V-shaped chucks.

Preferably, the two left chucks are vertically arranged at intervals, and the left chucks are rotationally connected with the left moving frame; the two right chucks are vertically arranged at intervals, and the right chucks are rotationally connected with the right moving frame.

Preferably, two left sliding blocks are movably and fixedly connected to the left moving frame, and the two left chucks are in one-to-one corresponding rotary connection with the two left sliding blocks; two right sliding blocks are movably and fixedly connected to the right moving frame, and the two right chucks are in one-to-one corresponding rotary connection with the two right sliding blocks.

Preferably, the left chuck and the right chuck each comprise a shaft body and a plate body, two ends of the shaft body are rotationally connected with the left sliding block or the right sliding block, one end of the plate body is fixedly connected with the shaft body, the other end of the plate body is provided with a protruding part, and the two protruding parts are arranged at two ends of the plate body in one-to-one correspondence, so that a limiting groove for axially limiting the rotating body is formed at one end of the plate body away from the shaft body.

Preferably, the left moving frame and the right moving frame comprise guide plate bodies and connecting pipe bodies, two guide plate bodies are arranged at a transverse interval, a plurality of connecting pipe bodies are arranged between the two guide plate bodies along a vertical direction interval, transverse through holes which are coaxially communicated with the connecting pipe bodies are formed in the guide plate bodies, and first fastening bolts which are used for axially and fixedly connecting a left pull rod or a right pull rod with the connecting pipe bodies are arranged on the connecting pipe bodies.

Preferably, the locking member is an electromagnetic lock.

Preferably, the left moving frame, the right moving frame, the left pull rod and the right pull rod are made of aluminum alloy; the left chuck and the right chuck are made of brass.

The utility model has the beneficial effects that:

According to the utility model, a mode of opposite clamping and fixing is adopted, the left pull rod axially penetrates through the left moving frame and then is fixedly connected with the right moving frame, the right pull rod axially penetrates through the right moving frame and then is fixedly connected with the left moving frame, a left chuck and a right chuck are fixedly connected to one side, which is close to each other, of the left moving frame and the right moving frame, the left moving frame and the right moving frame can be driven to reversely approach or separate by reversely pulling the left pull rod and the right pull rod, the left chuck and the right chuck are further driven to clamp or release the rotating body, the locking piece fixedly arranged on the left moving frame is matched with the axial locking of the left pull rod and the right pull rod, the rotating body in a thermal state can be rapidly clamped and fixed, and the axial movement of the rotating body at the shaft end and the carrying and the returning of the rotating body are realized through the action of the left pull rod and the right pull rod, so that the replacement efficiency of the rotating body can be improved, and the personal safety can be ensured.

Drawings

FIG. 1 is a perspective view of a thermal rotator assembly and disassembly tool according to the present utility model at a first perspective view;

FIG. 2 is a perspective view of a thermal rotator assembly and disassembly tool according to a second aspect of the present utility model;

FIG. 3 is a front view of the hot rotator disassembly tool of the present utility model;

FIG. 4 is a schematic diagram of the connection of the right movable frame to the right chuck;

FIG. 5 is a schematic diagram of the connection of the left movable frame to the left chuck;

Fig. 6 is a schematic structural view of the left and right moving frames;

fig. 7 is a schematic structural view of the left and right chucks.

The reference numerals in the drawings illustrate:

1. A left moving frame; 2. a right moving frame; 3. a left pull rod; 4. a right pull rod; 5. a left chuck; 6. a right chuck; 7. a locking member; 8. a left slider; 9. a right slider; 10. a rotating body; 11. a transverse through hole; 12. a first fastening bolt; 13. a second fastening bolt; 14. a guide plate body; 15. a connection pipe body; 16. installing a positioning hole; 17. a shaft body; 18. a plate body portion; 19. a protruding portion; 20. and a limit groove.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present utility model and are not intended to be limiting.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

1-7, A thermal state rotator dismouting frock, this dismouting frock includes:

a left movable frame 1, the left movable frame 1 being disposed in a vertical direction.

The right moving frame 2 is arranged along the vertical direction, and the right moving frame 2 and the left moving frame 1 are arranged along the lateral direction at intervals.

The left pull rod 3, this left pull rod 3 sets up in the left side of left movable frame 1, and the horizontal left movable frame 1 that runs through that the axle head of left pull rod 3 can remove and with right movable frame 2 fixed connection, that is the right-hand member of left pull rod 3 runs through left movable frame 1 along the axial after with right movable frame 2 fixed connection.

The right pull rod 4 is arranged on the right side of the right movable frame 2, and the shaft end of the right pull rod 4 can move transversely penetrates through the right movable frame 2 and is fixedly connected with the left movable frame 1, namely, the left end of the right pull rod 4 extends axially to penetrate through the right movable frame 2 and is fixedly connected with the left movable frame 1.

The left chuck 5 is fixedly connected with the left movable frame 1, and the left chuck 5 is arranged on one side of the left movable frame 1, which is close to the right movable frame 2.

The right clamping head 6 is fixedly connected with the right moving frame 2, and the right clamping head 6 is arranged on one side of the right moving frame 2, which is close to the left moving frame 1.

And a locking member 7, wherein the locking member 7 is fixedly connected with the left moving frame 1, and the locking member 7 can be axially and fixedly connected with the right pull rod 4, so that the transverse positions of the left clamping head 5 and the right clamping head 6 of the clamping rotary body 10 are locked.

According to the utility model, a mode of opposite clamping and fixing is adopted, the left pull rod 3 axially penetrates through the left moving frame 1 and then is fixedly connected with the right moving frame 2, the right pull rod 4 axially penetrates through the right moving frame 2 and then is fixedly connected with the left moving frame 1, the left clamping head 5 and the right clamping head 6 are fixedly connected to one side, which is close to each other, of the left moving frame 1 and the right moving frame 2, the left pull rod 3 and the right pull rod 4 can be pulled reversely to drive the left moving frame 1 and the right moving frame 2 to reversely approach or separate, the left clamping head 5 and the right clamping head 6 are further driven to clamp or release the rotary body 10, the locking piece 7 fixedly arranged on the left moving frame 1 is matched to axially lock the left pull rod 3 and the right pull rod 4, the rotary body 10 in a thermal state can be rapidly clamped and fixed, and the axial movement of the rotary body 10 at the shaft end and the carrying and the returning of the rotary body 10 are completed through the action of the left pull rod 3 and the right pull rod 4, so that the personal safety can be ensured.

The lateral direction in the present application refers to the double arrow direction in fig. 1, and the longitudinal direction in the present application refers to the single arrow direction in fig. 1.

In one embodiment, as shown in fig. 1, 2 and 3, the left pull rod 3 and the right pull rod 4 are both U-shaped rods.

This is so arranged because: when left pull rod 3 and right pull rod 4 are U type pole, left pull rod 3 and right pull rod 4 all have two axle ends, and two axle ends of this left pull rod 3 can be after running through the both ends of left movable frame 1 and right movable frame 2's both ends one-to-one fixed connection, and two axle ends of right pull rod 4 can be after running through the both ends of right movable frame 2 and left movable frame 1's both ends one-to-one fixed connection, so can make whole dismouting frock become rectangular, not only can keep the stability of whole dismouting frock, also be convenient for two staff hold the horizontal one end of dismouting frock respectively, and then conveniently remove to the mounted position and make a concentric group to the body, also be convenient for the staff to apply axial effort to rotary body 10.

Preferably, the two shaft ends of the right pull rod 4 are located at the inner sides of the two shaft ends of the left pull rod 3, that is, the vertical distance between the two shaft ends of the right pull rod 4 is smaller than the vertical distance between the two shaft ends of the Yu Zuola rod 3, so that the stress on the two vertical sides of the rotating body 10 is balanced.

In one embodiment, as shown in fig. 4, 5 and 7, the left chuck 5 and the right chuck 6 are V-shaped chucks.

Preferably, the number of the left chucks 5 is two, and the two left chucks 5 are arranged at intervals along the vertical direction, and the left side of the left chucks 5 is rotationally connected with the right side of the left moving frame 1, so that the left chucks 5 can rotate in the vertical plane, and further the left chucks 5 can be attached to the left side of the rotating body 10.

The number of the right chucks 6 is two, and the two right chucks 6 are arranged at intervals along the vertical direction, the right side of the right chucks 6 is rotationally connected with the left side of the right moving frame 2, so that the right chucks 6 can rotate in the vertical plane, and the right chucks 6 can be attached to the right side of the rotating body 10.

More preferably, two left sliding blocks 8 are movably and fixedly connected to the left moving frame 1, that is, two left sliding blocks 8 are mounted on the left moving frame 1, the left sliding blocks 8 are slidably connected to the left moving frame 1 along the vertical direction, the positions of the left sliding blocks 8 on the left moving frame 1 can be fixed, and two left chucks 5 are rotatably connected to the two left sliding blocks 8 in a one-to-one correspondence manner.

Two right sliding blocks 9 are movably and fixedly connected to the right moving frame 2, namely, two right sliding blocks 9 are installed on the right moving frame 2, the right sliding blocks 9 are in sliding connection with the right moving frame 2 along the vertical direction, the positions of the right sliding blocks 9 on the right moving frame 2 can be fixed, and two right chucks 6 are in one-to-one corresponding rotation connection with the two right sliding blocks 9.

This is so arranged because: when the rotating body 10 is clamped and fixed by using the V-shaped chucks, the four V-shaped chucks are uniformly distributed on the circumference of the rotating body 10, and the clamping and fixing effects on the rotating body 10 are best. In this embodiment, two left sliding blocks 8 are installed on the left moving frame 1, two right sliding blocks 9 are installed on the right moving frame 2, and the vertical positions of the two left sliding blocks 8 on the left moving frame 1 and the vertical positions of the two right sliding blocks 9 on the right moving frame 2 are adjusted to realize the adjustment of the vertical distance between the two left chucks 5 and the two right chucks 6, so that the two left chucks 5 and the two right chucks 6 can clamp and fix rotating bodies 10 with different radial sizes, and the optimal clamping effect is ensured.

Still preferably, the left chuck 5 and the right chuck 6 each include a shaft body 17 and a plate body 18; wherein the shaft body 17 is arranged along the longitudinal direction, and two ends of the shaft body 17 are rotationally connected with the left sliding block 8 or the right sliding block 9; the number of the plate body parts 18 is two, one end of each plate body part 18 is fixedly connected with the corresponding shaft body part 17, two protruding parts 19 are arranged at the other ends of each plate body part 18, the two protruding parts 19 are arranged at two longitudinal ends of each plate body part 18 in a one-to-one correspondence manner, and a limiting groove 20 for axially limiting the rotating body 10 is formed at one end, away from the shaft body part 17, of each plate body part 18, namely, the longitudinal dimension of each limiting groove 20 is larger than the axial dimension of the rotating body 10.

This is so arranged because: when the left moving frame 1 and the right moving frame 2 drive the V-shaped clamping head to reversely move to clamp the rotating body 10, the V-shaped clamping head can only radially limit the rotating body 10. In this embodiment, protruding portions 19 are disposed at two longitudinal ends of the plate body 18 of the V-shaped chuck, so that axial limiting of the rotating body 10 is achieved through axial stopping action of the protruding portions 19 on the rotating body 10, safety in carrying and reloading processes can be guaranteed, and axial acting force can be applied to the rotating body 10 through dismounting tools.

In one embodiment, as shown in fig. 4, 5 and 6, the left moving frame 1 and the right moving frame 2 each include a guide plate body 14 and a connection pipe body 15; the number of the guide plate bodies 14 is two, the two guide plate bodies 14 are arranged at intervals along the transverse direction, and each guide plate body 14 is arranged along the vertical direction; the number of the connecting pipe bodies 15 is at least four, a plurality of connecting pipe bodies 15 are arranged between two guide plate bodies 14 at intervals along the vertical direction, the two connecting pipe bodies 15 are arranged between the top ends of the two guide plate bodies 14 one by one, the two connecting pipe bodies 15 are arranged between the bottom ends of the two guide plate bodies 14 one by one, and the guide plate bodies 14 are provided with transverse through holes 11 coaxially communicated with the connecting pipe bodies 15; the left pull rod 3 and the right pull rod 4 are inserted into the transverse through hole 11 and the connecting pipe 15, and the connecting pipe 15 is provided with a first fastening bolt 12 for fixedly connecting the left pull rod 3 or the right pull rod 4 with the connecting pipe 15 in the axial direction.

Specifically, the shaft end of the left pull rod 3 passes through the connecting pipe body 15 of the left moving frame 1 and is fixedly connected with the connecting pipe body 15 of the right moving frame 2, and the shaft end of the right pull rod 4 passes through the connecting pipe body 15 of the right moving frame 2 and is fixedly connected with the connecting pipe body 15 of the left moving frame 1.

Preferably, the guide plate body 14 is provided with mounting positioning holes 16, and a plurality of mounting positioning holes 16 are arranged on the guide plate body 14 at intervals along the vertical direction, the left sliding block 8 and the right sliding block 9 are sleeved outside the two guide plate bodies 14, the left sliding block 8 and the right sliding block 9 are provided with second fastening bolts 13, and the second fastening bolts 13 are in threaded connection with the mounting positioning holes 16, so that the left sliding block 8 is fixedly connected with the left moving frame 1, and the right sliding block 9 is fixedly connected with the right moving frame 2.

In a specific embodiment, the locking member 7 may be any locking structure capable of axially and fixedly connecting the left pull rod 3 and the right pull rod 4, and is preferably an electromagnetic lock.

This is so arranged because: the electromagnetic lock can complete locking and releasing actions only by pressing the control switch, and the requirements of rapid clamping and fixing of the thermal rotary body 10 can be met to the greatest extent.

In a specific embodiment, the left moving frame 1, the right moving frame 2, the left pull rod 3 and the right pull rod 4 are made of aluminum alloy, so that the weight of the disassembly and assembly tool is reduced to the greatest extent on the premise of ensuring the structural strength, and the operator can conveniently carry and reload the rotary body 10.

The left chuck 5 and the right chuck 6 are made of brass so as to reduce the influence of clamping force on the rotating body 10.

An embodiment, a thermal rotator disassembling and assembling method, the disassembling and assembling method uses the thermal rotator disassembling and assembling tool, the disassembling and assembling method includes the following steps:

The rotor 10 is removed.

The method specifically comprises the following steps: the original rotating body 10 is heated to a prescribed temperature, that is, the rotating body 10 on the shaft is heated to a detachable temperature.

The disassembly and assembly tool is integrally sleeved on the periphery of the rotary body 10, then the left pull rod 3 and the right pull rod 4 are pulled reversely, namely the left pull rod 3 is pulled leftwards, the right pull rod 4 is pulled rightwards at the same time until the left clamping head 5 and the right clamping head 6 are clamped on the outer surface of the rotary body 10, and finally the left pull rod 3 and the right pull rod 4 are fixedly connected axially through the locking piece 7.

An axial force is applied to the rotating body 10 through the left and right tie rods 3 and 4 to axially move the rotating body 10 on the shaft.

The rotating body 10 is axially withdrawn and then moved to a specified position, the axial connection of the left and right tie rods 3 and 4 is released, and the rotating body 10 is removed.

And (3) mounting the rotary body 10.

The method specifically comprises the following steps: the rotary body 10 is heated to a prescribed temperature.

The disassembly and assembly tool is sleeved on the periphery of the rotary body 10, then the left pull rod 3 and the right pull rod 4 are pulled reversely until the left chuck 5 and the right chuck 6 clamp the rotary body, and finally the left pull rod 3 and the right pull rod 4 are fixedly connected in the axial direction through the locking piece 7.

The rotary body 10 is carried to the shaft end position, then the rotary body 10 is coaxially aligned with the shaft end through the left pull rod 3 and the right pull rod 4, the rotary body 10 is assembled on the shaft head, and finally the axial connection of the left pull rod 3 and the right pull rod 4 is released.

The working principle of the dismounting tool of the application is as follows:

According to the application, the clamping ranges of the left clamping head and the right clamping head are controlled by the left pull rod and the right pull rod to adapt to the radial sizes of the coupler and the bearing, and the left pull rod and the right pull rod can be locked by the self-contained electromagnetic lock after clamping so as to prevent the loosening of the bearing caused by loosening of the left pull rod or the right pull rod in the moving process; the left moving frame, the right moving frame, the left sliding block and the right sliding block are made of aluminum alloy, so that the weight can be reduced under the condition of ensuring the strength, and the personnel can conveniently carry the left moving frame, the right moving frame, the left sliding block and the right sliding block; the left chuck and the right chuck are made of brass, so that the bearing can be prevented from being damaged; the rectangular frame structure can ensure the stability of personnel handling assembly, and the bearing hole shaft assembly is convenient and quick, compared with the conventional iron wire bundling and carrying, the construction efficiency is greatly improved, the labor intensity is reduced, and the safety risk is reduced.

Compared with the prior art, the application has at least the following beneficial technical effects:

The dismounting tool disclosed by the application can realize mechanical clamping and locking, can directly carry the bearing to the shaft end for replacement operation, is convenient for concentric assembly due to the rectangular frame structure, further optimizes the complicated construction flow, optimizes the adjustment and adjustment process in construction, improves the construction safety and efficiency, and reduces the labor load.

After the bearing is clamped by the dismounting tool, the dismounting tool can be locked by the electromagnetic lock so as to prevent loosening in the carrying process, and then two persons lift one end to the mounting position for assembly, so that the stability is greatly improved.

The application replaces manpower with machines, not only improves the original construction process, improves the construction safety and efficiency and reduces the labor load, but also reduces the investment of the overhaul cost, ensures the overhaul quality and greatly improves the overhaul efficiency.

The disassembly and assembly tool can reduce the investment of maintenance personnel, shorten the construction time, and have important guarantee on maintenance quality and considerable economic benefit.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. The utility model provides a hot rotator dismouting frock which characterized in that includes:

The left moving frame (1), the said left moving frame (1) is set up along the vertical direction;

The right moving frame (2) is arranged along the vertical direction, and the right moving frame (2) and the left moving frame (1) are arranged at a transverse interval;

The left pull rod (3) is arranged at the left side of the left moving frame (1), and the shaft end of the left pull rod (3) can transversely penetrate through the left moving frame (1) in a moving way and is fixedly connected with the right moving frame (2);

The right pull rod (4) is arranged on the right side of the right moving frame (2), and the shaft end of the right pull rod (4) can transversely penetrate through the right moving frame (2) in a moving way and is fixedly connected with the left moving frame (1);

the left clamping head (5) is fixedly connected with the left moving frame (1), and the left clamping head (5) is arranged on one side, close to the right moving frame (2), of the left moving frame (1);

The right clamping head (6) is fixedly connected with the right moving frame (2), and the right clamping head (6) is arranged on one side, close to the left moving frame (1), of the right moving frame (2);

The locking piece (7), locking piece (7) and left movable frame (1) fixed connection, just locking piece (7) can be with right pull rod (4) axial fixed connection.

2. The hot rotator disassembly and assembly tool according to claim 1, wherein the left pull rod (3) and the right pull rod (4) are U-shaped rods; the two shaft ends of the right pull rod (4) are positioned at the inner sides of the two shaft ends of the left pull rod (3).

3. The hot rotator disassembly and assembly tool according to claim 1, wherein the left clamp head (5) and the right clamp head (6) are both V-shaped clamp heads.

4. A hot rotator dismounting tool as claimed in claim 3, wherein two left chucks (5) are arranged at a vertical interval, and the left chucks (5) are rotationally connected with a left movable frame (1); the two right chucks (6) are vertically arranged at intervals, and the right chucks (6) are rotationally connected with the right moving frame (2).

5. The hot rotator dismounting tool according to claim 4, wherein two left sliding blocks (8) are movably and fixedly connected to the left moving frame (1), and the two left chucks (5) are in one-to-one corresponding rotational connection with the two left sliding blocks (8); two right sliding blocks (9) are movably and fixedly connected to the right moving frame (2), and the two right chucks (6) are in one-to-one corresponding rotary connection with the two right sliding blocks (9).

6. The hot rotator disassembly and assembly tool according to claim 4, wherein the left clamping head (5) and the right clamping head (6) comprise shaft body parts (17) and plate body parts (18), two ends of the shaft body parts (17) are rotationally connected with the left sliding block (8) or the right sliding block (9), one ends of the two plate body parts (18) are fixedly connected with the shaft body parts (17), protruding parts (19) are arranged at the other ends of the two plate body parts (18), the two protruding parts (19) are arranged at two longitudinal ends of the plate body parts (18) in a one-to-one correspondence mode, and one ends of the plate body parts (18) away from the shaft body parts (17) form limiting grooves (20) for axially limiting the rotator (10).

7. The hot rotator disassembly and assembly tool according to claim 4, wherein the left moving frame (1) and the right moving frame (2) comprise guide plate bodies (14) and connecting pipe bodies (15), two guide plate bodies (14) are arranged at a transverse interval, a plurality of connecting pipe bodies (15) are arranged between the two guide plate bodies (14) along a vertical direction interval, transverse through holes (11) which are coaxially communicated with the connecting pipe bodies (15) are formed in the guide plate bodies (14), and first fastening bolts (12) which are used for axially and fixedly connecting the left pull rod (3) or the right pull rod (4) with the connecting pipe bodies (15) are arranged on the connecting pipe bodies (15).

8. The hot rotator disassembly and assembly tool according to claim 1, wherein the locking piece (7) is an electromagnetic lock.

9. The hot rotator disassembly and assembly tool according to claim 1, wherein the left moving frame (1), the right moving frame (2), the left pull rod (3) and the right pull rod (4) are made of aluminum alloy; the left clamping head (5) and the right clamping head (6) are made of brass.