CN116833969A - Drum disassembly device - Google Patents

Abstract

The invention relates to the technical field of coal mines, and in particular to a drum disassembly device. The drum disassembly device includes a disassembly assembly. The disassembly assembly includes a plurality of adjustment frames, a plurality of ferrules and a first two-way screw. The plurality of adjustment frames are in the first Arranged at intervals in the direction, the ferrules are connected to the adjustment frame. The end of the ferrules away from the adjustment frame is suitable for supporting the roller. The first two-way screw extends along the second direction, and the second direction is orthogonal to the first direction. The first two-way screw is connected to the adjustment frame. The first two-way screw is connected with the frame, and two ferrules are connected to the first two-way screw, and the two ferrules are arranged oppositely on the first two-way screw. The first two-way screw can rotate in the second direction relative to the adjustment frame so that the two ferrules can Approaching or moving away from each other, the roller disassembly device can improve the adaptability of the roller disassembly device.

Description

Drum removal device

Technical field

The invention relates to the technical field of coal mines, and in particular to a drum disassembly device.

Background technique

Coal mines are areas where coal resources are mined in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. In order to increase the efficiency of coal mining, various large-scale coal mining machines are usually used to mine coal. The mined coal requires continuous coal mining. In order to improve the transportation efficiency of coal mines, coal mine transportation machinery with a roller conveyor structure is needed to transport lumpy coal. The rollers will wear out after long-term use. When the roller wear is large, the rollers need to be disassembled and inspected. , due to the heavy weight of the drum, a drum disassembly device needs to be used to assist in the disassembly and assembly work of the drum. However, the sizes of the drums of different conveyors are different, and the size of the drum disassembly device is fixed, which reduces the adaptability of the drum disassembly device.

Contents of the invention

The present invention aims to solve one of the technical problems in the related art, at least to a certain extent. To this end, embodiments of the present invention propose a drum disassembly device, which can improve the adaptability of the drum disassembly device.

The roller disassembly device according to the embodiment of the present invention includes a disassembly assembly. The disassembly assembly includes a plurality of adjustment frames, a plurality of clamp sleeves and a first two-way screw. The plurality of adjustment frames are arranged at intervals in the first direction. The clamps The sleeve is connected to the adjustment frame, the end of the clamp sleeve away from the adjustment frame is suitable for supporting the roller, the first two-way screw extends along a second direction, and the second direction is orthogonal to the first direction, The first two-way screw is connected to the adjustment frame, two of the ferrules are connected to the first two-way screw, and the two ferrules are arranged oppositely on the first two-way screw. The bidirectional screw can rotate about the second direction relative to the adjustment frame so that the two ferrules can move closer to or farther away from each other.

The drum disassembly device according to the embodiment of the present invention can improve the adaptability of the drum disassembly device.

In some embodiments, the disassembly assembly further includes a support frame and a second two-way screw rod, the support frame extends along the first direction, the second two-way screw rod is connected to the support frame, and a plurality of the adjustment Frames are arranged oppositely on the second two-way screw, and the second two-way screw can rotate about the first direction relative to the support frame so that the adjustment frames located at both ends of the second two-way screw can move closer to or farther away from each other. .

In some embodiments, the disassembly assembly further includes a limiting rod extending along the first direction, and one end of the limiting rod is connected to the inner wall surface of one end of the support frame, and the The other end of the limiting rod passes through a plurality of the adjustment frames and is connected to the inner wall surface of the other end of the support frame.

In some embodiments, the drum disassembly device further includes a bearing, the bearing is provided on the inner wall surface of the support frame, and the bearing is rotationally connected to the second two-way screw.

In some embodiments, the disassembly assembly further includes a sliding block, one end of the sliding block is connected to the first two-way screw, and the other end of the sliding block is connected to the ferrule.

In some embodiments, the drum disassembly device further includes a connecting plate and a handle. One end of the connecting plate is connected to one end of the second two-way screw passing through the support frame, and the other end of the connecting plate is connected to the The handles are connected.

In some embodiments, the drum disassembly device further includes a base plate and a hydraulic rod. One end of the hydraulic rod is connected to an end of the support frame away from the adjustment frame, and the other end of the hydraulic rod is connected to the base plate. , the hydraulic rod can move in a third direction relative to the bottom plate so that the support frame can be close to or away from the bottom plate, and the third direction is orthogonal to the first direction and the second direction.

In some embodiments, the drum disassembly device further includes a telescopic frame, one end of the telescopic frame is connected to the bottom plate, and the other end of the telescopic frame is connected to the support frame.

In some embodiments, the number of the telescopic frames is two, the two telescopic frames are arranged at intervals in the first direction, and the two telescopic frames are arranged on both sides of the hydraulic rod.

In some embodiments, the drum disassembly device further includes a handrail and a universal wheel. The universal wheel is provided at an end of the bottom plate away from the support frame. The handrail is provided on the bottom plate close to the support frame. one end.

Description of the drawings

Figure 1 is a schematic diagram of a drum disassembly device according to an embodiment of the present invention.

Figure 2 is a schematic diagram of a disassembled assembly according to an embodiment of the present invention.

Figure 3 is a schematic diagram of an adjustment frame according to an embodiment of the present invention.

Figure 4 is a schematic diagram of a hydraulic rod according to an embodiment of the present invention.

Reference signs:

Base plate 1, hydraulic rod 2, disassembly component 3, support frame 301, adjustment frame 302, adjustment groove 3021, first two-way screw 303, sliding block 304, ferrule 305, second two-way screw 306, rotating handle 307, armrest 4, Universal wheel 5, telescopic frame 6, limit rod 7, connecting plate 8, handle 9, bearing 10, reinforcement ring 11.

Detailed ways

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and are not to be construed as limiting the present invention.

The roller disassembly device of the embodiment of the present invention includes a disassembly assembly 3. The disassembly assembly 3 includes a plurality of adjustment frames 302, a plurality of ferrules 305 and a first two-way screw 303. The plurality of adjustment frames 302 are in the first direction (as shown in Figure 1 are arranged at intervals in the left and right directions as shown), the ferrules 305 are connected to the adjustment frame 302, the end of the ferrules 305 away from the adjustment frame 302 is suitable for supporting the roller, and the first two-way screw 303 is along the second direction (the front and rear direction as shown in Figure 1 ) extends, the second direction is orthogonal to the first direction, the first two-way screw 303 is connected to the adjustment frame 302, two ferrules 305 are connected to the first two-way screw 303, and the two ferrules 305 are on the first two-way screw 303 Arranged opposite each other, the first two-way screw 303 can rotate in the second direction relative to the adjustment frame 302 so that the two ferrules 305 can move closer to or farther away from each other.

Specifically, as shown in Figures 1 to 3, a ferrule 305 is provided above the adjustment frame 302. Two ferrules 305 are provided on each adjustment frame 302. The two ferrules 305 are spaced apart in the front and rear directions. The orthographic projection shape of the sleeve 305 in the left and right directions is arc-shaped. The curvature of the two clamp sleeves 305 is the same. The arc-shaped opening faces upward to facilitate supporting the roller. Since each adjustment frame 302 is provided with two clamp sleeves 305, multiple adjustment The setting of the frame 302 facilitates better support of the roller and ensures the stability of the roller on the ferrule 305.

The adjustment frame 302 is provided with an adjustment slot 3021, and the first two-way screw 303 is installed in the adjustment slot 3021. The front end of the first two-way screw 303 passes through the rear end surface of the adjustment frame 302, extends into the adjustment slot 3021, and connects with the front end of the adjustment frame 302. Rotation connection, the front end thread and the rear end thread of the first two-way screw 303 are opposite, one of the two ferrules 305 is installed on the front end thread, and the other ferrule 305 is installed on the rear end thread. The disassembly assembly 3 also includes a rotating handle 307, which is connected to the rear end of the first two-way screw rod 303, and the rotating handle 307 is located outside the adjusting frame 302.

In the embodiment of the present invention, the first two-way screw 303 is driven by the rotating handle 307 to rotate in the front and rear direction relative to the adjustment frame 302. The rotation of the first two-way screw 303 causes the two ferrules 305 to move closer or farther away from each other. The adjustment of the spacing distance in the direction can realize the adaptability of the ferrule 305 to the rollers of different diameters. When the diameter of the drum is small, the spacing distance of the two ferrules 305 on the same adjustment frame 302 in the front and rear direction can be reduced, so as to The ferrule 305 can adapt to a drum with a smaller diameter; when the diameter of the drum is larger, increase the distance between the two ferrules 305 on the same adjustment frame 302 in the front and rear directions so that the ferrule 305 can adapt to a larger diameter. of rollers, thereby realizing the adaptability of the ferrule 305 to rollers of different diameters, thus improving the adaptability of the roller disassembly device.

For example, the number of adjustment racks 302 is two, three, four, or six. The two adjustment racks 302 are arranged oppositely in the left and right direction. The two adjustment racks 302 can be close to each other or far away from each other to adapt to rollers of different lengths. .

In some embodiments, the disassembly assembly 3 also includes a support frame 301 and a second two-way screw rod 306. The support frame 301 extends along the first direction. The second two-way screw rod 306 is connected to the support frame 301. A plurality of adjustment frames 302 are in the second two-way direction. The screw rods 306 are arranged opposite each other, and the second two-way screw rod 306 can rotate in a first direction relative to the support frame 301 so that the adjustment brackets 302 located at both ends of the second two-way screw rod 306 can move closer to or farther away from each other.

Specifically, the support frame 301 extends in the left-right direction, and the adjustment frame 302 is installed on the support frame 301. The right end of the second two-way screw 306 passes through the left end of the support frame 301 and passes through multiple adjustment frames 302 in sequence and then connects with the support frame 301. The right end is rotationally connected, and the adjusting frame 302 is threadedly connected to the second two-way screw rod 306. One of the two adjusting frames 302 is located on the left side of the second two-way screw rod 306, and the other adjusting frame 302 is located on the left side of the second two-way screw rod 306. On the right side, the second two-way screw 306 rotates around the left and right directions to drive the two adjustment frames 302 closer to or farther away from each other, thereby adjusting the separation distance of the two adjustment frames 302 in the left and right directions, so that the disassembly assembly 3 can adjust the distance between the two adjustment frames 302 with different lengths. The roller is supported, thereby improving the adaptability of the roller disassembly device.

In the embodiment of the present invention, the second two-way screw 306 is provided to cooperate with the support frame 301, and the threaded connection relationship between the second two-way screw 306 and the adjustment frame 302 can be utilized by rotating the second two-way screw 306 to drive the two adjustment frames 302 closer to each other. Or away from each other, so as to be able to adapt to the auxiliary disassembly work of rollers of different lengths, and then rotate the first two-way screw 303 to cooperate with the adjustment frame 302 and the threaded connection relationship between the first two-way screw 303 and the sliding block 304 to drive the two clamps on the adjustment frame 302 The distance between the sleeves 305 in the front and rear directions can be adapted to the auxiliary disassembly work of rollers of different diameters, which greatly increases the adaptability of the auxiliary disassembly of the roller disassembly and assembly device and can better adapt to the disassembly of rollers of different lengths and diameters. The installation work serves to make the drum disassembly and assembly device cooperate with the disassembly and assembly mechanism and improve the adaptability of the drum disassembly and assembly device.

In some embodiments, the disassembly assembly 3 further includes a limiting rod 7 , which extends along the first direction. One end of the limiting rod 7 is connected to the inner wall surface of one end of the support frame 301 , and the other end of the limiting rod 7 The plurality of adjustment frames 302 are connected to the inner wall surface of the other end of the support frame 301 .

Specifically, as shown in Figure 1, the left end of the limit rod 7 is connected to the left end of the support frame 301, and the right end of the limit rod 7 passes through the two adjustment frames 302 and is connected to the right end of the support frame 301. The number is set to two, the two limit rods 7 are spaced apart in the front and rear direction, and the second two-way screw 306 is located in the middle position of the two limit rods 7, and each limit rod 7 slides with the adjustment frame 302 The connection method allows the limit rod 7 to better limit the adjustment frame 302, making the adjustment frame 302 more stable and reliable when moving left and right, and improving the accuracy of the adjustment frame 302 when moving.

In some embodiments, the drum disassembly device further includes a bearing 10 , which is provided on the inner wall surface of the support frame 301 , and is rotationally connected to the second two-way screw 306 .

Specifically, as shown in Figure 2, the bearing 10 is provided on the right inner wall of the support frame 301, and the right end of the second two-way screw 306 is rotationally connected to the bearing 10. The bearing 10 can assist the second two-way screw 306 in rotating. , reducing the friction between the second two-way screw 306 and the support frame 301, and improving the rotation smoothness of the second two-way screw 306 when used.

In some embodiments, the disassembly assembly 3 further includes a sliding block 304 , one end of the sliding block 304 is connected to the first two-way screw 303 , and the other end of the sliding block 304 is connected to the ferrule 305 .

Specifically, as shown in Figure 3, the lower end of the sliding block 304 is threadedly connected to the first two-way screw 303, and the upper end of the sliding block 304 is connected to the ferrule 305. The number of the sliding block 304 is the same as the number of ferrules 305, that is, each The adjustment frame 302 is provided with two sliding blocks 304. The setting of the sliding blocks 304 realizes the threaded connection between the ferrule 305 and the first two-way screw 303. When the first two-way screw 303 rotates in the front and rear directions, the two sliding blocks The first two-way screw 303 moves forward and backward, thereby realizing the two ferrules 305 on the adjustment frame 302 to move closer to or farther away from each other.

In some embodiments, the drum disassembly device further includes a connecting plate 8 and a handle 9. One end of the connecting plate 8 is connected to one end of the second two-way screw 306 passing through the support frame 301, and the other end of the connecting plate 8 is connected to the handle 9.

Specifically, as shown in Figure 2, the left end of the second two-way screw 306 is located outside the support frame 301, the left end of the second two-way screw 306 is connected to the right end of the connecting plate 8, and the left end of the connecting plate 8 is connected to the handle 9. By setting The handle 9 cooperates with the connecting plate 8 to facilitate the staff to rotate the second two-way screw 306, making the rotation of the second two-way screw 306 more convenient and faster, and increasing the operational convenience of the second two-way screw 306.

In some embodiments, the drum disassembly device also includes a base plate 1 and a hydraulic rod 2. One end of the hydraulic rod 2 is connected to the end of the support frame 301 away from the adjustment frame 302. The other end of the hydraulic rod 2 is connected to the base plate 1. The hydraulic rod 2 can The support frame 301 moves in a third direction (up and down direction as shown in FIG. 1 ) relative to the base plate 1 so that the support frame 301 can be close to or away from the base plate 1 . The third direction is orthogonal to the first direction and the second direction.

Specifically, as shown in Figure 4, the base plate 1 is provided at the lower end of the support frame 301, the lower end of the hydraulic rod 2 is connected to the base plate 1, the upper end of the hydraulic rod 2 is connected to the lower end of the support frame 301, and the up and down movement of the hydraulic rod 2 makes the support The frame 301 can be close to or away from the bottom plate 1. The arrangement of the hydraulic rod 2 facilitates adjusting the position of the adjusting frame 302 in the up and down direction, so that the adjusting frame 302 can better support the drum.

Optionally, a reinforcement ring 11 is fixedly installed on the outer surface of the hydraulic rod 2, and the bottom surface of the reinforcement ring 11 is fixedly connected to the upper surface of the base plate 1. By providing the reinforcement ring 11, the hydraulic rod 2 can be reinforced, so that the hydraulic rod 2 and The connection of the base plate 1 is stronger and more reliable, making it less likely for the hydraulic rod 2 and the base plate 1 to loosen.

In some embodiments, the drum disassembly device further includes a telescopic frame 6 , one end of the telescopic frame 6 is connected to the base plate 1 , and the other end of the telescopic frame 6 is connected to the support frame 301 .

Specifically, the upper end of the telescopic frame 6 is connected to the lower end of the support frame 301, and the lower end of the telescopic frame 6 is connected to the upper end of the base plate 1. Through the arrangement of the telescopic frame 6, the support frame 301 is supported, so that the hydraulic rod 2 moves up and down. The up and down movement of the support frame 301 is more stable.

For example, the telescopic frame 6 can telescopically move up and down. When the hydraulic rod 2 moves upward to drive the support frame 301 to move upward, the telescopic frame 6 is simultaneously driven to move upward. When the hydraulic rod 2 moves downward to drive the support frame 301 to move downward, the support frame The downward force of 301 drives the telescopic frame 6 to move downward, ensuring that the telescopic frame 6 provides support to the support frame 301 at different positions.

In some embodiments, the number of telescopic frames 6 is two, the two telescopic frames 6 are spaced apart in the first direction, and the two telescopic frames 6 are arranged on both sides of the hydraulic rod 2 .

Specifically, the telescopic frames 6 are arranged at intervals in the left and right directions, and the hydraulic rod 2 is located in the middle of the two telescopic frames 6. The left and right ends of the support frame 301 are supported by the left telescopic frame and the right telescopic frame, which can improve the support. The stability of the frame 301 when moving up and down makes the support frame 301 less prone to excessive deflection and shaking, ensuring the reliability of the support frame 301 during use.

In some embodiments, the drum disassembly device also includes a handrail 4 and a universal wheel 5 . The universal wheel 5 is provided at an end of the base plate 1 away from the support frame 301 , and the handrail 4 is provided at an end of the base plate 1 close to the support frame 301 .

Specifically, an armrest 4 is fixedly installed on the upper surface of the base plate 1, and four universal wheels 5 are fixedly installed on the bottom surface of the base plate 1. By providing the armrests 4 to cooperate with the rotation of the base plate 1 and the universal wheels 5, it is convenient for the staff to move the base plate 1 and the universal wheels 5. The device is moved to the required position, which increases the convenience of movement when using the device.

When it is necessary to assist the drum in disassembly work, the embodiment of the present invention provides an armrest 4 and a universal wheel 5 to facilitate the use of the armrest 4 and the universal wheel 5 to move the drum disassembly device below the drum and connect the hydraulic rod 2 with the power supply. The thrust provided by the hydraulic rod 2 and the assistance of the telescopic frame 6 are used to push the support frame 301 to move upward until the ferrule 305 is in contact with the drum. At this time, the disassembly assembly 3 assists in the drum disassembly operation. When it is necessary to assist in the disassembly and assembly of drums with different diameters. When the first two-way screw rod 303 is rotated to cooperate with the adjusting frame 302 and the threaded connection relationship between the first two-way screw rod 303 and the sliding block 304, the two sliding blocks 304 on the first two-way screw rod 303 can be driven forward and backward in the adjusting frame 302. Sliding, the movement of the two sliding blocks 304 in turn drives the distance between the two ferrules 305 on the first two-way screw 303 in the front and rear directions, thereby being able to adapt to the auxiliary disassembly work of rollers of different diameters. When it is necessary to assist rollers of different lengths, just Manually hold the handle 9 and cooperate with the connecting plate 8 and then rotate the second two-way screw 306. Through the limit of the auxiliary limit rod 7 of the bearing 10 and the threaded connection relationship between the second two-way screw 306 and the adjustment frame 302, the two adjustment frames can be driven. 302 are far away from or close to each other in the left and right directions, thus being able to adapt to the auxiliary disassembly work of drums of different lengths, which greatly increases the adaptability of the auxiliary disassembly and use of the drum disassembly and assembly device, making it better adapted to drums of different lengths and diameters. The disassembly and assembly work of the device increases the convenience of use of the disassembly and assembly device and the overall auxiliary disassembly and assembly effect.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis", The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply the referred devices or components. Must have a specific orientation, be constructed and operate in a specific orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be mechanically connected, electrically connected or communicable with each other; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction between two elements, Unless otherwise expressly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present invention, unless otherwise expressly stated and limited, a first feature being "on" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. touch. Furthermore, the terms “above”, “above” and “above” a first feature on a second feature can mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. "Below", "below" and "beneath" the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

As used herein, the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" mean specific features, structures, materials, or features described in connection with the embodiment or example. Features are included in at least one embodiment or example of the invention. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.

It can be understood that the above-mentioned embodiments are illustrative and should not be construed as limitations of the present invention. Those of ordinary skill in the art can make changes, modifications, replacements and modifications to the above-mentioned embodiments within the scope of the present invention.

Claims (10)

1. The utility model provides a cylinder dismounting device, its characterized in that, including dismantling the subassembly, dismantle the subassembly and include a plurality of alignment brackets, a plurality of cutting ferrule and first bi-directional screw rod, a plurality of the alignment brackets is in first direction interval arrangement, the cutting ferrule with the alignment brackets links to each other, the cutting ferrule is kept away from the one end of alignment brackets is suitable for supporting the cylinder, first bi-directional screw rod extends along the second direction, the second direction quadrature is in first direction, first bi-directional screw rod with the alignment brackets links to each other, be connected with two on the first bi-directional screw rod the cutting ferrule, and two the cutting ferrule is in on the first bi-directional screw rod relative arrangement, first bi-directional screw rod can for the alignment brackets is around the second direction rotates so that two cutting ferrules can be close to each other or keep away from.

2. The drum removing device as claimed in claim 1, wherein the removing assembly further comprises a supporting frame extending in the first direction and a second double-direction screw coupled to the supporting frame, the plurality of adjusting frames being relatively arranged on the second double-direction screw, the second double-direction screw being rotatable with respect to the supporting frame about the first direction such that the adjusting frames at both ends of the second double-direction screw are moved toward or away from each other.

3. The drum removing device as claimed in claim 2, wherein the removing assembly further comprises a stopper rod extending in the first direction, one end of the stopper rod is connected to an inner wall surface of one end of the supporting frame, and the other end of the stopper rod is connected to an inner wall surface of the other end of the supporting frame through a plurality of the regulating frames.

4. The drum dismounting device according to claim 2, further comprising a bearing provided on an inner wall surface of the supporting frame, the bearing being rotatably connected to the second bidirectional screw.

5. The drum removal device of claim 1, wherein the removal assembly further comprises a slider, one end of the slider being connected to the first bi-directional screw and the other end of the slider being connected to the ferrule.

6. The drum dismounting device of claim 2, further comprising a connection plate and a handle, wherein one end of the connection plate is connected to one end of the second bi-directional screw passing through the support frame, and the other end of the connection plate is connected to the handle.

7. The drum removing device as claimed in claim 1, further comprising a base plate and a hydraulic lever, one end of the hydraulic lever being connected to an end of the supporting frame remote from the adjusting frame, the other end of the hydraulic lever being connected to the base plate, the hydraulic lever being movable relative to the base plate in a third direction orthogonal to the first and second directions so that the supporting frame can be moved closer to or farther from the base plate.

8. The drum dismounting device of claim 7, further comprising a telescoping frame, wherein one end of the telescoping frame is connected to the base plate and the other end of the telescoping frame is connected to the support frame.

9. The drum dismounting device according to claim 8, wherein the number of the expansion brackets is two, two of the expansion brackets are arranged at intervals in the first direction, and two of the expansion brackets are arranged on both sides of the hydraulic lever.

10. The roller dismounting device of claim 7, further comprising a handrail and a universal wheel, the universal wheel being provided at an end of the base plate remote from the support frame, the handrail being provided at an end of the base plate near the support frame.