Device for disassembling rolling mill die bearing
By designing a disassembly device for rolling mill die bearings that includes a sliding cylinder and a linkage, the problem of requiring a large amount of manpower to disassemble rolling mill die bearings was solved, realizing a simple and efficient disassembly process, reducing maintenance costs and extending the service life of the device.
Patent Information
- Application Number
- CN202422763536.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In existing technologies, disassembling rolling mill die bearings requires a large amount of manpower, resulting in high production line maintenance costs.
Design a device for disassembling rolling mill die bearings. The device uses a sliding cylinder and a linkage to drive four clamping parts to clamp the die bearings, and uses a lifting cylinder to lift the die shaft, thereby detaching the die bearings from the die shaft.
It achieves a simple structure, easy operation, saves manpower, improves disassembly efficiency, extends the service life of the device, and reduces wear on the mold shaft.
Smart Images
Figure CN223670625U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to equipment maintenance field especially, it is a kind of device of dismantling rolling mill die bearing. BACKGROUND
[0002] In the process of titanium profile, titanium wire production, rolling mill is important production equipment, its process task includes shaping to titanium material, make it meet production process demand or customer's demand to product shape.In the process of rolling mill operation, rolling mill die is usually in the form of rotation continuously to titanium material rolling, and rolling mill die bearing belongs to consumable.
[0003] One end of rolling mill die axle is generally fixed on a shaft seat, and rolling mill die bearing can only be set on rolling mill die axle from the other end of rolling mill die axle and be in interference fit with rolling mill die axle, in order to avoid the change of rolling mill die position, rolling mill die bearing is usually set close to shaft seat, and then the position of bearing is fixed by additional pressing part.
[0004] At present, when rolling mill die bearing is dismantled, workers need to cooperate to clamp bearing and extract bearing from shaft, since there are more rolling mill dies on production line, and the weight is heavy, only dismantling bearing needs to consume a lot of manpower or time, so as to cause high production line maintenance cost. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims at providing a kind of device of dismantling rolling mill die bearing, sliding cylinder and linkage part are arranged to drive four clamping parts to slide, four clamping parts clamp die bearing, then lifting cylinder is used to lift die axle, so that die bearing is separated from die axle.The device has the advantages of simple structure, easy operation, reliable process and labor saving.
[0006] A kind of device of dismantling rolling mill die bearing, including support part, four clamping parts, sliding cylinder, linkage part and lifting cylinder;
[0007] The support part includes dismounting table and several first support rods fixed on the bottom side of the dismounting table, the dismounting table is provided with first through hole and four sliding notches, the sliding notches extend from the outer periphery of the dismounting table to the first through hole;
[0008] The clamping part is located on the top side of the dismounting table, and four clamping parts are respectively located at four sliding notches, and the clamping part can slide along the direction in which the sliding notch extends;
[0009] The sliding cylinder is located on the bottom side of the dismounting table and is fixed with the dismounting table, the telescopic part of the sliding cylinder is arranged towards the sliding notch and is pivoted with the clamping part, and the telescopic direction of the telescopic part of the sliding cylinder is parallel to the direction in which the sliding notch extends;
[0010] The linkage part is located at the bottom side of the dismounting table, and comprises a linkage shaft, a linkage plate and four L-shaped rods; the linkage shaft is fixed to the bottom side of the dismounting table, and is provided with a second through hole in communication with the first through hole; the linkage plate is sleeved outside the linkage shaft and is rotatably fixed to the linkage shaft; one end of each of the four L-shaped rods is fixed to one of the four clamping parts, and the other end of each of the four L-shaped rods is pivotally connected to the linkage plate.
[0011] The lifting cylinder is located below the dismounting table, and comprises a fully extended state, in which the telescopic part of the lifting cylinder is fully extended and sequentially penetrates through the second through hole and the first through hole.
[0012] The device for dismounting the mill mold bearing has the advantages of simple structure, easy operation, reliable process and labor saving.
[0013] Further, the device further comprises a first limiting ring, which is fixed to the top side of the dismounting table, and the minimum distance between the four clamping parts and the inner wall of the first limiting ring is the same; the inner cavity of the first limiting ring is matched with the mill mold gap. The first limiting ring is arranged at the center of the clamping part, and the staff only needs to insert the mold shaft into the first limiting ring, so that the mold bearing is located at the center of the four clamping parts, which is beneficial to reduce the uneven stress of the clamping part during clamping, prolong the service life of the device, and also beneficial to reduce the friction between the mold shaft and the dismounting table, and reduce the wear of the mold shaft.
[0014] Further, the device further comprises a second limiting ring, which is fixed to the bottom side of the dismounting table and sleeved outside the linkage shaft, and the second limiting ring is detachably fixed to the linkage shaft. The second limiting ring is arranged to improve the stability of the linkage shaft and improve the convenience of replacing the linkage shaft.
[0015] Further, the device further comprises a limiting part, which is located above the dismounting table, and comprises a top plate, a second supporting rod and a limiting wall; the two ends of the second supporting rod are fixed to the bottom side of the dismounting table and the top plate respectively; the limiting wall is located between the top plate and the dismounting table and is fixed to the top plate; and the inner cavity of the limiting wall is matched with the shaft seat. The limiting part is arranged to limit the position of the shaft seat and improve the stability of the mold shaft during jacking.
[0016] Further, the limiting wall is provided with a gap. The gap provided on the limiting wall can avoid resistance caused by too close contact between the limiting wall and the outer periphery of the shaft seat, and facilitate the operator to take out the limiting seat from the limiting wall.
[0017] Further, four limiting plates are further included, the four limiting plates are respectively fixed with the bottom side of the four clamping parts, the limiting plates are located between the clamping parts and the dismounting table, the limiting plates are arranged at the sliding gaps and abut against the dismounting table on both sides of the sliding gaps, and the sliding cylinders are pivotally connected with the limiting plates. The limiting plates are arranged to support the clamping parts, so as to avoid damage of the clamping parts to the related components below due to the action force of the clamping parts, and improve the stability of the clamping parts during clamping.
[0018] Further, four sliding blocks are further included, the four sliding blocks are respectively slidably connected with the four sliding gaps, the top side of the sliding block is fixed with the bottom side of the clamping part, the bottom side of the sliding block is fixed with the L-shaped rod, and the extension part of the sliding cylinder is pivotally connected with the bottom side of the sliding block.
[0019] Further, the sliding cylinder includes a first driving part and two first extension parts, and the first driving part drives the two second extension parts to extend in the directions along the two sliding gaps. The two extension parts are arranged to improve the clamping force of the clamping parts, and further improve the stability of clamping.
[0020] Further, two sliding cylinders are included, the two sliding cylinders are arranged in parallel, the extension parts of the two sliding cylinders are pivotally connected with the same clamping part, and the linkage shaft is located between the two sliding cylinders. The two sliding cylinders arranged in parallel are arranged to improve the stability of the sliding path of the clamping parts.
[0021] Further, the lifting cylinder includes a second driving part and a second extension part, and the second driving part drives the second extension part to extend and retract.
[0022] The beneficial effects of the present application are as follows:
[0023] 1. The four clamping parts are driven to slide by the sliding cylinder and the linkage part, the mold bearing is clamped by the four clamping parts, and then the mold shaft is lifted by the lifting cylinder, so that the mold bearing is separated from the mold shaft.
[0024] 2. The first limiting ring is arranged at the center of the clamping part, the operator only needs to insert the mold shaft into the first limiting ring, so that the mold bearing is located at the center of the clamping part, which is beneficial to reduce the uneven stress of the clamping part during clamping, prolong the service life of the device, and also beneficial to reduce the friction between the mold shaft and the dismounting table, and reduce the wear of the mold shaft.
[0025] 3. Set the second limit ring, improve the stability of the linkage shaft fixed, and improve the convenience of the linkage shaft replacement.
[0026] 4. Set the limiting part to limit the position of the shaft seat, improve the stability of the mold shaft during the jacking process.
[0027] 5. Set the notch on the limiting wall, on the one hand, avoid the resistance generated by the too close between the limiting wall and the outer periphery of the shaft seat, on the other hand, facilitate the operator to take out the limiting seat from the limiting wall.
[0028] 6. Set the limiting plate to support the clamping part, avoid the force generated by the clamping part to the related components below, and improve the stability of the position of the clamping part during the clamping process.
[0029] 7. Set two telescopic parts, improve the clamping force of the clamping part, and further improve the stability of the clamping.
[0030] 8. Set two parallel sliding cylinders, improve the stability of the sliding path of the clamping part.
[0031] In order to better understand and implement, the following will be described in detail in conjunction with the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0032] Figure 1 The structure diagram of the device for disassembling the rolling mill mold bearing described in an embodiment;
[0033] Figure 2 The partial structure diagram of the device for disassembling the rolling mill mold bearing described in an embodiment;
[0034] Figure 3 The structure diagram of the device for disassembling the rolling mill mold bearing described in an embodiment;
[0035] Figure 4 The partial structure diagram of the device for disassembling the rolling mill mold bearing described in an embodiment;
[0036] Figure 5 The structure diagram of the device for disassembling the rolling mill mold bearing described in an embodiment;
[0037] Among them, the base 1, the disassembly table 201, the first supporting rod 202, the first through hole 203, the sliding notch 204, the clamping part 3, the limiting plate 4, the sliding block 5, the first driving part 601, the first telescopic part 602, the linkage shaft 701, the linkage plate 702, The L-shaped rod 703, the second driving part 801, the second telescopic part 802, the first limiting ring 9, the second limiting ring 10, the top plate 1101, the second supporting rod 1102, the limiting wall 1103. DETAILED DESCRIPTION
[0038] It should be understood that the embodiments described are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0039] The terms used in the embodiments of the present application are merely for the purpose of describing the specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.
[0040] The following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all the embodiments consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims. In the description of the present application, it should be understood that the terms "first", "second", "third" and the like are used only to distinguish similar objects, and do not necessarily describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0041] In addition, in the description of the present application, "a plurality of" means two or more, unless otherwise specified. The association between the associated objects is described, which means that there can be three relationships, for example, A and / or B, which can mean that A exists alone, A and B exist together, and B exists alone. The character " / " generally represents that the associated objects before and after are in an "or" relationship.
[0042] It should be understood that the embodiments of the present application are not limited to the precise structures already described and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the embodiments of the present application is limited only by the appended claims.
[0043] The utility model discloses a device for disassembling mill mold bearing, which is used for disassembling the mill mold bearing sleeved on the mold shaft. One end of the mold shaft is fixed with the shaft seat, and the mold bearing is arranged close to the shaft seat. Please refer to Figure 1 and Figure 2 The device for disassembling mill mold bearing comprises a base 1, a supporting part located above the base 1, four clamping parts 3, four limiting plates 4, four sliding blocks 5, two sliding cylinders, a linkage part and a lifting cylinder.
[0044] The support part comprises a dismounting table 201 and four first support rods 202 between the dismounting table 201 and the base 1, the two ends of the first support rod 202 are fixed to the bottom side of the dismounting table 201 and the top side of the base 1 respectively, the cross section of the dismounting table 201 of the embodiment is square, the dismounting table 201 is provided with a first through hole 203 and four sliding notches 204, the center axis of the first through hole 203 is located at the intersection of the diagonal lines of the square dismounting table 201, and the sliding notches 204 extend from the four corners of the dismounting table 201 to the center axis of the first through hole 203 along the diagonal lines;
[0045] The clamping part 3 is located on the top side of the dismounting table 201, and the four clamping parts 3 are respectively located at the four sliding notches 204, and the clamping part 3 can slide in the direction in which the sliding notch 204 extends; the clamping part 3 is used for clamping the outer wall of the mold bearing, and in some embodiments, if the outer wall of the mold bearing is provided with an oil groove, the clamping part 3 can also be clamped at the oil groove of the mold bearing through special design, so as to improve the stability of the clamping part 3 during clamping;
[0046] The four limiting plates 4 are respectively fixed to the bottom sides of the four clamping parts 3, the limiting plate 4 is located between the clamping part 3 and the dismounting table 201, the limiting plate 4 is arranged at the sliding notch 204 and abuts against the dismounting table 201 on both sides of the sliding notch 204, the limiting plate 4 can support the clamping part 3, avoid the clamping part 3 from generating acting force on the related components below to cause damage to the components, and improve the stability of the position of the clamping part 3 during clamping;
[0047] The four sliding blocks 5 are respectively in sliding fit with the four sliding notches 204, and the top side of the sliding block 5 is fixed to the bottom side of the limiting plate 4;
[0048] The sliding cylinder is located between the base 1 and the dismounting table 201, the two sliding cylinders are arranged in parallel, the connecting shaft 701 is located between the two sliding cylinders, the extension parts of the two sliding cylinders are pivotally connected with the same clamping part 3, any one of the sliding cylinders comprises a first driving part 601 and two first extension parts 602, the first driving part 601 is fixed to the dismounting table 201, and the first driving part 601 is used for driving the two first extension parts 602 to extend and retract, the two second extension parts 802 extend and retract in the directions in which the two sliding notches 204 located on the same diagonal line extend, the two first extension parts 602 are pivotally connected with the bottom sides of the two sliding blocks 5 at the corresponding positions respectively, and the pivot shafts are perpendicular to the extension and retraction directions of the extension parts;
[0049] The linkage part is located between the sliding cylinder and the dismounting table 201, and comprises a linkage shaft 701, a linkage plate 702 and four L-shaped rods 703; the linkage shaft 701 is fixed to the bottom side of the dismounting table 201, the central axis of the linkage shaft 701 is collinear with the central axis of the first through hole 203, the linkage shaft 701 is provided with a second through hole, the central axis of the second through hole is collinear with the central axis of the first through hole 203, and the second through hole is in communication with the first through hole 203, the linkage plate 702 of the embodiment is square, the linkage plate 702 is sleeved on the linkage shaft 701 and is rotatably fixed with the linkage shaft 701, one end of each of the four L-shaped rods 703 is fixed to the bottom side of each of the four sliding blocks 5, and the other end of each of the four L-shaped rods 703 is pivotally connected to a corner of the linkage plate 702, and the pivot shaft is perpendicular to the linkage plate 702;
[0050] The lifting cylinder is located between the base 1 and the dismounting table 201, and comprises a second driving part 801 and a second telescopic part 802; the second driving part 801 is fixed to the base 1, and drives the second telescopic part 802 to extend and retract; the direction in which the second telescopic part 802 extends and retracts is collinear with the central axis of the second through hole; the lifting cylinder comprises a fully extended state and a fully retracted state; in the fully extended state, the second telescopic part 802 is fully extended and sequentially penetrates through the second through hole and the first through hole 203; in the fully retracted state, the second telescopic part 802 is located between the base 1 and the dismounting table 201.
[0051] The use process of the device for dismounting the mill mold bearing in the embodiment of the utility model is as follows: in the initial state, the lifting cylinder is in the fully retracted state, the end part of the mold shaft is placed at the first through hole 203, the mold shaft is located between the dismounting table 201 and the shaft seat, and the clamping part 3 can clamp the mold bearing; then the sliding cylinder is operated, the sliding cylinder drives two of the sliding blocks 5 to move towards the mold shaft, under the action of the linkage part, the other two sliding blocks 5 move synchronously towards the mold shaft, after the clamping part 3 clamps the mold bearing, the lifting cylinder is operated, the second telescopic part 802 moves from the fully retracted state to the fully extended state, in the process of the movement of the second telescopic part 802, the mold shaft is lifted upwards and separated from the mold bearing, thereby realizing the separation of the mold bearing and the mold shaft. The device for dismounting the mill mold bearing in the embodiment of the utility model drives the four clamping parts 3 to slide by arranging the sliding cylinder and the linkage part, clamps the mold bearing by the four clamping parts 3, then lifts the mold shaft by the lifting cylinder, and thereby makes the mold bearing separate from the mold shaft, so that the device has the advantages of simple structure, convenient operation, reliable process and labor saving.
[0052] In order to further improve the convenience of the device for dismounting the mill mold bearing, in an embodiment, please further refer to Figure 3The device for disassembling the rolling mill die bearing further comprises a first limiting ring 9 fixed on the top side of the disassembling table 201, the minimum distance between the four clamping portions 3 and the inner wall of the first limiting ring 9 is the same, and the inner cavity of the first limiting ring 9 is matched with the rolling mill die gap. The first limiting ring 9 is arranged at the center clamped by the clamping portions 3, so that the staff only needs to insert the die shaft into the first limiting ring 9, and the die bearing can be ensured to be located at the center clamped by the four clamping portions 3, which is beneficial to reducing the uneven stress of the clamping portions 3 in the clamping process, prolonging the service life of the device, and reducing the friction between the die shaft and the disassembling table 201 and the wear of the die shaft.
[0053] In order to further improve the convenience of the device for disassembling the rolling mill die bearing in maintenance and repair, in an embodiment, please further refer to Figure 4 The device for disassembling the rolling mill die bearing further comprises a second limiting ring 10 fixed on the bottom side of the disassembling table 201 and sleeved on the outside of the linkage shaft 701, and the second limiting ring 10 is detachably fixed with the linkage shaft 701. The second limiting ring 10 is arranged to improve the stability of the linkage shaft 701 and improve the convenience of replacing the linkage shaft 701.
[0054] In order to further improve the reliability of the device for disassembling the rolling mill die bearing and reduce the wear of the die-related parts as much as possible, in an embodiment, please further refer to Figure 5 The device for disassembling the rolling mill die bearing further comprises a limiting portion located above the disassembling table 201, the limiting portion comprises a top plate 1101, a second support rod 1102 and a limiting wall 1103, the two ends of the second support rod 1102 are respectively fixed with the disassembling table 201 and the bottom side of the top plate 1101, the limiting wall 1103 is located between the top plate 1101 and the disassembling table 201 and is fixed with the top plate 1101, the inner cavity of the limiting wall 1103 is matched with the shaft seat, and the limiting wall 1103 is provided with a notch. The limiting portion is arranged to limit the position of the shaft seat, improve the stability of the die shaft in the jacking process, and the notch is arranged on the limiting wall 1103, which is beneficial to avoiding the resistance generated by the too close contact between the limiting wall 1103 and the outer periphery of the shaft seat and facilitating the operator to take out the limiting seat from the limiting wall 1103.
[0055] In order to further reduce the labor consumed in disassembling the bearing, in an embodiment, the device for disassembling the rolling mill die bearing further comprises four self-locking universal pulleys (not shown in the figure), which are fixed below the base 1. By arranging the self-locking universal pulleys, the on-site workers can easily move the device to the equipment at different positions.
[0056] The device for disassembling the rolling mill die bearing has the following beneficial effects:
[0057] 1. Through setting the sliding cylinder and linkage part to drive the four clamping parts 3 to slide, through the four clamping parts 3 to clamp the mold shaft bearing, and then through the lifting cylinder to top the mold shaft, and then make the mold shaft bearing separate from the mold shaft.
[0058] 2. The first limiting ring 9 is arranged at the center clamped by the clamping part 3, and the staff only needs to put the mold shaft into the first limiting ring 9, so that the mold shaft bearing is located at the center clamped by the four clamping parts 3, which is beneficial to reduce the uneven stress of the clamping part 3 in the clamping process, prolong the service life of the device, and also beneficial to reduce the friction between the mold shaft and the dismounting table 201, and reduce the wear of the mold shaft.
[0059] 3. The second limiting ring 10 is arranged, the stability of the linkage shaft 701 is improved, and the convenience of replacing the linkage shaft 701 is improved.
[0060] 4. The limiting part is arranged to limit the position of the shaft seat, and the stability of the mold shaft in the jacking process is improved.
[0061] 5. The notch is arranged on the limiting wall 1103, on the one hand, the limiting wall 1103 and the outer periphery of the shaft seat are avoided to generate resistance due to too close, and on the other hand, the operator is facilitated to take out the limiting seat from the limiting wall 1103.
[0062] 6. The limiting plate 4 is arranged to support the clamping part 3, avoid the clamping part 3 to generate the acting force on the related parts below to cause the damage of the parts, and improve the stability of the position of the clamping part 3 in the clamping process.
[0063] 7. Two telescopic parts are arranged, the clamping force of the clamping part 3 is improved, and then the stability of the clamping is improved.
[0064] 8. Two parallel sliding cylinders are arranged, the stability of the sliding path of the clamping part 3 is improved.
[0065] The above-mentioned embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a plurality of modifications and improvements can be made, and the utility model also intends to include these changes and modifications.
Claims
1. A device for dismounting a mill roll chock from a roll shaft, the roll shaft having one end fixed to a chock carrier and the roll chock being arranged close to the chock carrier, characterized in that The device comprises a supporting part, four clamping parts, a sliding cylinder, a linkage part and a lifting cylinder. The supporting part comprises a dismounting table and a plurality of first supporting rods fixed to the bottom side of the dismounting table, the dismounting table is provided with a first through hole and four sliding notches extending from the outer periphery of the dismounting table to the first through hole. The clamping parts are located on the top side of the dismounting table, and four clamping parts are respectively located at four sliding notches, the clamping parts can slide along the direction in which the sliding notches extend. The sliding cylinder is located on the bottom side of the dismounting table and is fixed to the dismounting table, the extension part of the sliding cylinder is arranged towards the sliding notches and is pivotally connected with the clamping parts, the extension part of the sliding cylinder extends in a direction parallel to the direction in which the sliding notches extend. The linkage part is located on the bottom side of the dismounting table, the linkage part comprises a linkage shaft, a linkage plate and four L-shaped rods, the linkage shaft is fixed to the bottom side of the dismounting table, the linkage shaft is provided with a second through hole communicating with the first through hole, the linkage plate is sleeved outside the linkage shaft and is rotatably fixed to the linkage shaft, one end of each of the four L-shaped rods is fixed to each of the four clamping parts, and the other end of each of the four L-shaped rods is pivotally connected to the linkage plate. The lifting cylinder is located below the dismounting table, the lifting cylinder comprises a fully extended state, in the fully extended state, the extension part of the lifting cylinder is fully extended and sequentially penetrates the second through hole and the first through hole.
2. The apparatus for dismounting a rolling mill chock according to claim 1, characterized in that, Further comprising a first limiting ring, the first limiting ring is fixed to the top side of the dismounting table, the minimum distance between each of the four clamping parts and the inner wall of the first limiting ring is the same, and the inner cavity of the first limiting ring is matched with the gap of the rolling mill die.
3. The apparatus of claim 1, wherein, Further comprising a second limiting ring, the second limiting ring is fixed to the bottom side of the dismounting table and is sleeved outside the linkage shaft, and the second limiting ring is detachably fixed to the linkage shaft.
4. The apparatus of claim 1, wherein, Further comprising a limiting part, the limiting part is located above the dismounting table, the limiting part comprises a top plate, a second supporting rod and a limiting wall, both ends of the second supporting rod are respectively fixed to the dismounting table and the bottom side of the top plate, the limiting wall is located between the top plate and the dismounting table and is fixed to the top plate, and the inner cavity of the limiting wall is matched with the shaft seat.
5. The apparatus of claim 4, wherein, The limiting wall is provided with a notch.
6. The apparatus of claim 1, wherein, Further comprising four limiting plates, each of the four limiting plates is fixed to the bottom side of each of the four clamping parts, each of the limiting plates is located between the clamping part and the dismounting table, each of the limiting plates is arranged at the sliding notch and abuts against the dismounting table on both sides of the sliding notch, and the sliding cylinder is pivotally connected to each of the limiting plates.
7. The apparatus of claim 1, wherein, Further comprising four sliding blocks, each of the four sliding blocks is slidably matched with each of the four sliding notches, the top side of each of the sliding blocks is fixed to the bottom side of each of the clamping parts, the bottom side of each of the sliding blocks is fixed to each of the L-shaped rods, and the extension part of the sliding cylinder is pivotally connected to the bottom side of each of the sliding blocks.
8. The apparatus of claim 1, wherein, The sliding cylinder comprises a first driving part and two first extension parts, the first driving part drives the two second extension parts to extend in the direction in which the two sliding notches extend, respectively.
9. The apparatus of claim 1, wherein, The two sliding cylinders are arranged in parallel, and the telescopic parts of the two sliding cylinders are pivotally connected with the same clamping part.
10. The apparatus of claim 1, wherein, The lifting cylinder comprises a second driving part and a second telescopic part, and the second driving part drives the second telescopic part to extend or retract.