Sewage treatment motor bearing dismounting device

Abstract

A sewage treatment motor bearing dismounting device comprises a main supporting table, a side positioning plate, an auxiliary pressing wheel, a sewage treatment motor rotor, an auxiliary supporting table, an auxiliary supporting wheel, a first to-be-dismounted bearing, a transverse driving screw rod, a longitudinal driving screw rod, a dismounting bearing block, a dismounting block, a clamping jaw mounting plate, a dismounting hydraulic cylinder and a main supporting wheel. An auxiliary supporting table is arranged on one side of the main supporting table, main supporting legs are arranged at the bottom of the main supporting table, supporting table linkage sliding rods are arranged on the side, facing the auxiliary supporting table, of the main supporting table, auxiliary supporting legs are arranged at the bottom of the auxiliary supporting table, and supporting table linkage blocks are arranged on the side, facing the main supporting table, of the auxiliary supporting table. The supporting table linkage sliding rod is matched with the supporting table linkage block, the supporting table linkage sliding rod is connected with the supporting table linkage block, and the supporting table linkage sliding rod slides in the supporting table linkage block.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment field especially relates to a sewage treatment motor bearing dismounting device. BACKGROUND

[0002] The prior art (publication number: CN107553394A) provides a sewage treatment motor bearing dismounting device, which comprises a device body, a base arranged at the bottom of the device body, a support column arranged above the base, a cross beam arranged at the top of the support column, a support plate arranged on the device body, a support rod arranged at the bottom of the support plate, a bearing plate arranged above the support plate, a rotating shaft arranged on the device body, a belt wheel arranged at the bottom of the rotating shaft, a rotating rod arranged on the device body, a bracket arranged at the top of the rotating rod, and the like. SUMMARY

[0003] The utility model discloses in view of above -mentioned insufficient of prior art, provide a kind of through starting dismounting hydraulic cylinder and make dismounting dog move towards transmission shaft contact block, to bearing is unloaded, this device only fixes motor transmission shaft in fixing process, avoid the damage to the core portion of sewage treatment motor rotor in positioning process, motor transmission shaft side is supported by two groups of deputy support wheel, motor transmission shaft other side is supported by two groups of main support wheel while also having two groups of auxiliary pressure wheel to limit, make motor transmission shaft stable and keep central position after positioning is completed, more not easy to produce deviation, positioning stability is better a kind of sewage treatment motor bearing dismounting device.

[0004] The utility model discloses the purpose is realized through following technical scheme:

[0005] The utility model provides a sewage treatment motor bearing dismounting device, including main support table, side positioning plate, auxiliary compression wheel, sewage treatment motor rotor, auxiliary support table, vice support wheel, one bearing to be dismantled, horizontal drive screw rod, vertical drive screw rod, dismounting bearing block, dismounting block, claw mounting plate, dismounting hydraulic cylinder, main support wheel, one side of main support table is provided with auxiliary support table, and the bottom of main support table has main support foot, and the side of main support table towards auxiliary support table has support table linkage sliding rod, and the bottom of auxiliary support table has auxiliary support foot, and the side of auxiliary support table towards main support table has support table linkage block, and support table linkage sliding rod is adapted to support table linkage block, and support table linkage sliding rod is connected support table linkage block, and support table linkage sliding rod slides in support table linkage block inside, and the top of auxiliary support table has vice support wheel installation table, and vice support wheel installation table is connected with vice support wheel rotationally, and the top of main support table has main support wheel installation table, and main support wheel installation table is connected with main support wheel rotationally, and the top of auxiliary support table is provided with sewage treatment motor rotor, and the middle part of sewage treatment motor rotor has motor drive shaft, and one side of motor drive shaft is connected with one bearing to be dismantled, and the other side of motor drive shaft is connected with two bearings to be dismantled, and motor drive shaft is compressed on vice support wheel, main support wheel, and sewage treatment motor rotor, two bearings to be dismantled are located respectively on both sides of vice support wheel, and sewage treatment motor rotor, one bearing to be dismantled are located respectively on both sides of main support wheel.

[0006] The middle part of main support table has horizontal screw rod installation groove, and horizontal drive screw rod is arranged in horizontal screw rod installation groove, and horizontal screw rod installation groove is rotationally connected with horizontal screw rod installation block in the middle part of horizontal drive screw rod, and horizontal drive screw rod has horizontal screw rod drive knob on both sides, and main support table has horizontal positioning sliding rod on both sides, and side positioning plate is arranged on both sides of main support table, and side positioning plate has horizontal screw rod connecting groove in the middle part, and horizontal screw rod connecting groove is screw-connected with horizontal drive screw rod, and side positioning plate has horizontal positioning sliding groove in the bottom, and horizontal positioning sliding groove is adapted to horizontal positioning sliding rod, and horizontal positioning sliding groove is connected with horizontal positioning sliding rod, and horizontal positioning sliding groove slides outside horizontal positioning sliding rod, and side positioning plate has upper compression wheel installation table on the top, and upper compression wheel installation table is rotationally connected with auxiliary compression wheel, and auxiliary compression wheel is compressed on the upper part of motor drive shaft, and the side of main support table away from sewage treatment motor rotor has dismounting block positioning table, and dismounting block positioning table has vertical positioning sliding groove and vertical screw rod connecting groove in the inside, and vertical screw rod connecting groove is in the central position, and vertical positioning sliding groove is distributed on both sides of vertical screw rod connecting groove, and dismounting block positioning table is provided with dismounting bearing block on the top.

[0007] The transmission shaft contact block is pressed against the end face of the motor transmission shaft, the bottom of the dismounting bearing block is provided with a longitudinal positioning sliding rod and a longitudinal screw rod mounting table, the longitudinal screw rod mounting table is located in the middle position, the longitudinal positioning sliding rods are distributed on both sides of the longitudinal screw rod mounting table, the longitudinal positioning sliding rods are matched with longitudinal positioning sliding grooves, the longitudinal positioning sliding rods are connected with the longitudinal positioning sliding grooves, the longitudinal positioning sliding rods slide in the longitudinal positioning sliding grooves, the top of the longitudinal drive screw rod is rotationally connected with the longitudinal screw rod mounting table, the middle of the longitudinal drive screw rod is threadedly connected with the longitudinal screw rod connecting groove, the bottom of the longitudinal drive screw rod is provided with a longitudinal screw rod driving knob, and the dismounting bearing block is internally provided with a hydraulic cylinder mounting groove.

[0008] Beneficial effects: 1. When the sewage treatment motor bearing dismounting operation is carried out, the both sides of the motor transmission shaft are pressed against the upper portions of the main supporting wheels and the auxiliary supporting wheels, the auxiliary pressing wheels are pressed against the upper portions of the motor transmission shafts, the transmission shaft contact blocks are pressed against the side faces of the motor transmission shafts, the dismounting clamping jaws are located at the rear portions of the No. 1 bearing to be dismounted, the dismounting clamping jaws move towards the transmission shaft contact blocks through the starting of the dismounting hydraulic cylinder, and then the bearing is dismounted.

[0009] 2. The longitudinal drive screw rod is threadedly connected with the longitudinal screw rod connecting groove, the dismounting bearing block can freely ascend and descend, the height of the dismounting bearing block can be freely adjusted to correspond to the motor transmission shaft when the device faces the motor transmission shafts with different diameters, the device can carry out the bearing dismounting operation of the sewage treatment motor rotors with different models, and the use range of the device is increased.

[0010] 3. The sewage treatment motor rotor is horizontally placed, compared with vertical placement, the horizontal placement process is more convenient for the carrying of the sewage treatment motor rotor, the stress cross-sectional area of the motor transmission shaft is larger, and the bearing stability is better.

[0011] 4. The upper portion of the dismounting clamping jaw is designed in an inclined chamfer, the motor transmission shaft can guide the dismounting clamping jaw to automatically move to both sides during the placement of the motor transmission shaft, the dismounting clamping jaw avoids hindering the placement of the motor transmission shaft, the dismounting clamping jaw is always kept pressed against the motor transmission shaft through the spring connection between the dismounting jaw positioning cylinder and the side bearing column, the operator does not need to carry out subsequent positioning, and the use convenience of the device is further increased. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1The utility model relates to a sewage treatment motor bearing dismounting device structure schematic view.

[0013] Figure 2 The utility model relates to a sewage treatment motor bearing dismounting device side view.

[0014] Figure 3 The utility model relates to a sewage treatment motor bearing dismounting device local enlarged view.

[0015] Figure 4 The utility model relates to a sewage treatment motor bearing dismounting device local side view cross section.

[0016] Figure 5 The utility model relates to a sewage treatment motor bearing dismounting device local plan view cross section.

[0017] Figure 6 The utility model relates to a sewage treatment motor bearing dismounting device local front view cross section.

[0018] Figure 7 The utility model relates to a main support platform structure schematic view.

[0019] Figure 8 The utility model relates to a dismounting piece structure schematic view.

[0020] Figure 9 The utility model relates to a claw mounting plate structure schematic view. Specific implementation

[0021] The utility model will be further explained in detail below according to the drawings and examples:

[0022] Example 1:

[0023] The utility model provides a sewage treatment motor bearing dismounting device, including main support table 1, side positioning plate 6, auxiliary compression wheel 7, sewage treatment motor rotor 8, auxiliary support table 9, vice support wheel 11, a bearing to be dismounted 14, horizontal drive screw 17, vertical drive screw 24, dismounting bearing block 27, dismounting block 28, claw mounting plate 32, dismounting hydraulic cylinder 38, main support wheel 41, one side of main support table 1 is provided with auxiliary support table 9, and main support table 1 bottom has main support foot 12, and the side of main support table 1 towards auxiliary support table 9 has support table linkage sliding rod 2, and auxiliary support table 9 bottom has auxiliary support foot 3, and the side of auxiliary support table 9 towards main support table 1 has support table linkage block 4, and support table linkage sliding rod 2 is adapted to support table linkage block 4, and support table linkage sliding rod 2 connects support table linkage block 4, and support table linkage sliding rod 2 slides in support table linkage block 4, and auxiliary support table 9 top has vice support wheel installation table 10, and vice support wheel installation table 10 is rotatably connected with vice support wheel 11, and main support table 1 top has main support wheel installation table 40, and main support wheel installation table 40 is rotatably connected with main support wheel 41, and auxiliary support table 9 top is provided with sewage treatment motor rotor 8, and sewage treatment motor rotor 8 adopts horizontal placement, compared with vertical placement, the carrying of sewage treatment motor rotor 8 is more convenient during horizontal placement, and the stress cross section area of motor drive shaft 13 itself is larger, and the bearing stability is better, and sewage treatment motor rotor 8 middle has motor drive shaft 13, one side of motor drive shaft 13 is connected with a bearing to be dismounted 14, the other side of motor drive shaft 13 is connected with No.

[0024] Example 2

[0025] The utility model discloses a main support platform 1 middle part has the horizontal screw rod installation groove 21, horizontal screw rod installation groove 21 inside is provided with horizontal drive screw rod 17, horizontal drive screw rod 17 middle part has horizontal screw rod mounting block 42, horizontal screw rod mounting block 42 is connected with horizontal screw rod installation groove 21 rotation, horizontal drive screw rod 17 both sides have horizontal screw rod drive knob 18, main support platform 1 both sides have horizontal positioning slide bar 19, main support platform 1 both sides are provided with side locating plate 6, and side locating plate 6 middle part has horizontal screw rod connecting groove 16, and horizontal screw rod connecting groove 16 is connected with horizontal drive screw rod 17 screw, and side locating plate 6 bottom has horizontal positioning sliding groove 20, and horizontal positioning sliding groove 20 is adapted with horizontal positioning slide bar 19, and horizontal positioning sliding groove 20 connects horizontal positioning slide bar 19, and horizontal positioning sliding groove 20 slides in horizontal positioning slide bar 19 outside, and side locating plate 6 top has upper pressure wheel installation platform 15, and upper pressure wheel installation platform 15 is connected with auxiliary pressure wheel 7 rotation, and auxiliary pressure wheel 7 is pressed in motor transmission shaft 13 upper portion, and main support platform 1 is away from sewage treatment motor rotor 8 one side and has the dismounting piece positioning table 5, and the dismounting piece positioning table 5 inside has longitudinal positioning sliding groove 22, longitudinal screw rod connecting groove 23, longitudinal screw rod connecting groove 23 is in the central position, and longitudinal positioning sliding groove 22 is distributed in longitudinal screw rod connecting groove 23 both sides, and the dismounting piece positioning table 5 upper portion is provided with the dismounting bearing block 27.

[0026] Example 3

[0027] The disassembly bearing block 27 of this utility model has a transmission shaft contact block 29 on one side. The transmission shaft contact block 29 is pressed against the end face of the motor transmission shaft 13. When disassembling the sewage treatment motor bearing, the two sides of the motor transmission shaft 13 are pressed against the upper part of the main support wheel 41 and the secondary support wheel 11, respectively, so that the auxiliary pressing wheel 7 is pressed against the upper part of the motor transmission shaft 13, and the transmission shaft contact block 29 is pressed against the side of the motor transmission shaft 13. The disassembly claw 36 is positioned behind the first bearing 14 to be disassembled. The disassembly claw 36 is moved by starting the disassembly hydraulic cylinder 38. The bearing is removed by moving towards the drive shaft contact block 29. This device only fixes the motor drive shaft 13 during the fixing process, avoiding damage to the iron core of the sewage treatment motor rotor 8 during positioning. One side of the motor drive shaft 13 is supported by two sets of auxiliary support wheels 11, and the other side is supported by two sets of main support wheels 41, while two sets of auxiliary clamping wheels 7 provide limiting, ensuring that the motor drive shaft 13 remains stably centered after positioning, reducing the likelihood of displacement and improving positioning stability. Disassembly and bearing... The bottom of block 27 has a longitudinal positioning slide rod 26 and a longitudinal screw mounting platform 39. The longitudinal screw mounting platform 39 is in the center position, and the longitudinal positioning slide rod 26 is distributed on both sides of the longitudinal screw mounting platform 39. The longitudinal positioning slide rod 26 is adapted to the longitudinal positioning groove 22 and is connected to the longitudinal positioning groove 22. The longitudinal positioning slide rod 26 slides inside the longitudinal positioning groove 22. The top of the longitudinal drive screw 24 is rotatably connected to the longitudinal screw mounting platform 39, and the middle part of the longitudinal drive screw 24 is threadedly connected to the longitudinal screw connecting groove 23. The longitudinal drive screw 24 and the longitudinal screw connecting groove are connected... The 23 threaded connection allows the disassembly support block 27 to rise and fall freely, enabling the device to adjust its height to match the motor drive shaft 13 of different diameters. This allows the device to disassemble the bearings of different models of sewage treatment motor rotors 8, increasing its applicability. The bottom of the longitudinal drive screw 24 has a longitudinal screw drive button 25. The disassembly support block 27 has a hydraulic cylinder mounting groove 37 inside, and the disassembly hydraulic cylinder 38 is inserted into the hydraulic cylinder mounting groove 37 for fixation.

[0028] Example 4:

[0029] The disassembly hydraulic cylinder 38 of this utility model has a hydraulic rod fixedly connected to a disassembly block 28. The disassembly block 28 has side bearing columns 31 on both sides, and a disassembly positioning block 30 at the end of the side bearing column 31. The disassembly positioning block 30 is adapted to the disassembly bearing block 27 and is connected to the disassembly bearing block 27. The disassembly positioning block 30 slides on the outside of the disassembly bearing block 27. The side of the side bearing column 31 has a disassembly claw positioning column 34. The disassembly block 28 has a claw mounting plate 32 on both sides, and a disassembly claw positioning cylinder 33 on one side of the claw mounting plate 32.

[0030] Example 5:

[0031] The utility model discloses the dismounting claw positioning cylinder 33 is adapted with the dismounting claw positioning column 34, and the dismounting claw positioning cylinder 33 is connected the dismounting claw positioning column 34, and the dismounting claw positioning cylinder 33 slides outside the dismounting claw positioning column 34, and the dismounting claw positioning cylinder 33 is connected through the spring between the side bearing column 31, and the end of clamping jaw mounting plate 32 has the dismounting claw connecting column 35, and the end of dismounting claw connecting column 35 has the dismounting claw 36, and the upper portion of dismounting claw 36 adopts the design of inclined chamfer, makes the motor transmission shaft 13 can guide the dismounting claw 36 automatic movement to both sides in the process of putting in the motor transmission shaft 13, avoids the dismounting claw 36 to hinder the putting in of motor transmission shaft 13, and simultaneously through the spring connection of dismounting claw positioning cylinder 33 and side bearing column 31, makes the dismounting claw 36 always keep the compression of motor transmission shaft 13, makes the operator not need to carry out subsequent positioning, further increases the use convenience of this device, and the dismounting claw 36 is compressed in the both sides of motor transmission shaft 13.

[0032] Example 6

[0033] The utility model discloses the installation steps are as follows: the support table linkage slide rod 2 of main support platform 1 is inserted into the inside of support table linkage block 4 that the auxiliary support platform 9 has, the auxiliary support platform 9 has the auxiliary support wheel installation platform 10 and auxiliary support wheel 11 rotation connection, the main support platform 1 has the main support wheel installation platform 40 and main support wheel 41 rotation connection, the horizontal screw rod installation block 42 of horizontal drive screw rod 17 has is rotationally connected with the horizontal screw rod installation groove 21 of main support platform 1, the horizontal positioning sliding groove 20 of side positioning plate 6 is sleeved outside the horizontal positioning slide rod 19 of main support platform 1, the horizontal screw rod connecting groove 16 of side positioning plate 6 is screwed with horizontal drive screw rod 17, the upper compression wheel installation platform 15 of side positioning plate 6 is rotationally connected with auxiliary compression wheel 7, the longitudinal positioning slide rod 26 of dismounting bearing block 27 is inserted into the inside of longitudinal positioning sliding groove 22 that the main support platform 1 has, the longitudinal screw rod installation platform 39 of longitudinal drive screw rod 24 top and dismounting bearing block 27 has rotation connection, longitudinal drive screw rod 24 is screwed with the longitudinal screw rod connecting groove 23 of main support platform 1, dismounting hydraulic cylinder 38 is inserted into the inside fixation of hydraulic cylinder installation groove 37 that dismounting bearing block 27 has, the dismounting positioning block 30 of dismounting block 28 is sleeved outside dismounting bearing block 27, the hydraulic rod of dismounting hydraulic cylinder 38 is fixedly connected with dismounting block 28, the dismounting claw positioning cylinder 33 of clamping jaw mounting plate 32 is sleeved outside the dismounting claw positioning column 34 of dismounting block 28, the side bearing column 31 of dismounting claw positioning cylinder 33 and dismounting block 28 has spring connection, and the device is installed.

[0034] The above merely is preferred implementation manner of the present application, and is not used for limiting the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the technical principle of the present application, can also make several improvements and variations, these improvements and variations also should be regarded as the protection scope of the present application.

Claims

1. A sewage treatment motor bearing dismounting device, characterized in that : Including main support platform (1), side positioning plate (6), auxiliary compression wheel (7), sewage treatment motor rotor (8), auxiliary support platform (9), vice support wheel (11), No. 1 bearing to be disassembled (14), horizontal drive screw (17), vertical drive screw (24), disassembly bearing block (27), disassembly block (28), jaw mounting plate (32), disassembly hydraulic cylinder (38), main support wheel (41), one side of the main support platform (1) is provided with auxiliary support platform (9), the bottom of the main support platform (1) has main support foot (12), the side of the main support platform (1) towards auxiliary support platform (9) has support platform linkage slide rod (2), the bottom of the auxiliary support platform (9) has auxiliary support foot (3), the side of the auxiliary support platform (9) towards main support platform (1) has support platform linkage block (4), support platform linkage slide rod (2) is adapted to support platform linkage block (4), support platform linkage slide rod (2) connects support platform linkage block (4), support platform linkage slide rod (2) slides in support platform linkage block (4), the top of the auxiliary support platform (9) has vice support wheel installation table (10), vice support wheel installation table (10) is rotatably connected with vice support wheel (11), the top of the main support platform (1) has main support wheel installation table (40), main support wheel installation table (40) is rotatably connected with main support wheel (41), the top of the auxiliary support platform (9) is provided with sewage treatment motor rotor (8), the middle of sewage treatment motor rotor (8) has motor transmission shaft (13), one side of motor transmission shaft (13) is connected with No. 1 bearing to be disassembled (14), the other side of motor transmission shaft (13) is connected with No. 2 bearing to be disassembled (43), motor transmission shaft (13) is compressed on vice support wheel (11) and main support wheel (41), sewage treatment motor rotor (8) and No. 2 bearing to be disassembled (43) are located on the two sides of vice support wheel (11) respectively, sewage treatment motor rotor (8) and No. 1 bearing to be disassembled (14) are located on the two sides of main support wheel (41) respectively.

2. A sewage treatment motor bearing puller according to claim 1, wherein The middle of the main support platform (1) has a horizontal screw rod installation groove (21), the inside of the horizontal screw rod installation groove (21) is provided with a horizontal drive screw rod (17), the middle of the horizontal drive screw rod (17) has a horizontal screw rod installation block (42), the horizontal screw rod installation block (42) is rotationally connected with the horizontal screw rod installation groove (21), the both sides of the horizontal drive screw rod (17) have horizontal screw rod drive buttons (18), the both sides of the main support platform (1) have horizontal positioning slide rods (19), the both sides of the main support platform (1) are provided with side positioning plates (6), the middle of the side positioning plate (6) has a horizontal screw rod connecting groove (16), the horizontal screw rod connecting groove (16) is threadedly connected with the horizontal drive screw rod (17), the bottom of the side positioning plate (6) has a horizontal positioning sliding groove (20), the horizontal positioning sliding groove (20) is adapted to the horizontal positioning slide rod (19), the horizontal positioning sliding groove (20) is connected with the horizontal positioning slide rod (19), the horizontal positioning sliding groove (20) slides outside the horizontal positioning slide rod (19), the top of the side positioning plate (6) has an upper pressing wheel installation table (15), the upper pressing wheel installation table (15) is rotationally connected with an auxiliary pressing wheel (7), the auxiliary pressing wheel (7) is pressed on the upper portion of the motor transmission shaft (13), the side, away from the sewage treatment motor rotor (8), of the main support platform (1) has a dismounting block positioning table (5), the inside of the dismounting block positioning table (5) has a vertical positioning sliding groove (22) and a vertical screw rod connecting groove (23), the vertical screw rod connecting groove (23) is in a central position, the vertical positioning sliding groove (22) is distributed on the both sides of the vertical screw rod connecting groove (23), and the upper portion of the dismounting block positioning table (5) is provided with a dismounting bearing block (27).

3. A sewage treatment motor bearing puller according to claim 2, wherein The side of the dismounting bearing block (27) has a transmission shaft contact block (29), the transmission shaft contact block (29) is pressed on the end face of the motor transmission shaft (13), the bottom of the dismounting bearing block (27) has a vertical positioning slide rod (26) and a vertical screw rod installation table (39), the vertical screw rod installation table (39) is in a central position, the vertical positioning slide rod (26) is distributed on the both sides of the vertical screw rod installation table (39), the vertical positioning slide rod (26) is adapted to the vertical positioning sliding groove (22), the vertical positioning slide rod (26) is connected with the vertical positioning sliding groove (22), the vertical positioning slide rod (26) slides inside the vertical positioning sliding groove (22), the top of the vertical drive screw rod (24) is rotationally connected with the vertical screw rod installation table (39), the middle of the vertical drive screw rod (24) is threadedly connected with the vertical screw rod connecting groove (23), the bottom of the vertical drive screw rod (24) has a vertical screw rod drive button (25), the inside of the dismounting bearing block (27) has a hydraulic cylinder installation groove (37), and a dismounting hydraulic cylinder (38) is inserted into the inside of the hydraulic cylinder installation groove (37) and fixed.

4. A sewage treatment motor bearing puller according to claim 1, wherein : The hydraulic cylinder (38) has a hydraulic rod fixedly connected with a dismounting block (28), the dismounting block (28) has side bearing columns (31) on both sides, the side bearing columns (31) have dismounting positioning blocks (30) at the ends, the dismounting positioning blocks (30) are adapted to dismounting bearing blocks (27), the dismounting positioning blocks (30) are connected with the dismounting bearing blocks (27), the dismounting positioning blocks (30) slide outside the dismounting bearing blocks (27), the side bearing columns (31) have dismounting claw positioning columns (34) on the sides, the dismounting block (28) is provided with a claw mounting plate (32) on both sides, and the claw mounting plate (32) has a dismounting claw positioning cylinder (33) on one side.

5. A sewage treatment motor bearing puller according to claim 2, wherein : The dismounting claw positioning cylinder (33) is adapted to the dismounting claw positioning column (34), the dismounting claw positioning cylinder (33) is connected with the dismounting claw positioning column (34), the dismounting claw positioning cylinder (33) of the claw mounting plate (32) is sleeved outside the dismounting claw positioning column (34) of the dismounting block (28), the dismounting claw positioning cylinder (33) slides outside the dismounting claw positioning column (34), the dismounting claw positioning cylinder (33) is connected with the side bearing column (31) through a spring, the claw mounting plate (32) has a dismounting claw connecting column (35) at the end, the dismounting claw connecting column (35) has a dismounting claw (36) at the end, and the dismounting claw (36) is pressed against both sides of the motor transmission shaft (13).

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