CN210703990U

CN210703990U - Boiler grinding device

Info

Publication number: CN210703990U
Application number: CN201921445617.9U
Authority: CN
Inventors: 赵杏梅; 裴斐; 裴晨
Original assignee: Zhenjiang Zhongnan Power Equipment Co Ltd
Current assignee: Zhenjiang Zhongnan Power Equipment Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-09
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a boiler polishing device, which comprises a U-shaped frame and a boiler body, wherein the opening of the U-shaped frame faces to the right, the boiler body is in an inverted state, the boiler body is arranged in the U-shaped frame, a supporting plate is movably connected to the position, close to the bottom, of the inner cavity of the U-shaped frame, a straight plate is movably connected above the supporting plate, the top of the straight plate is contacted with the top of the boiler body, the top of the supporting plate is movably connected with a vertical plate near the left side and the right side respectively, the back wall of the straight plate is movably connected with connecting rods from top to bottom near the left side and the right side respectively through a rotating shaft and a bearing, and one end of the connecting rod far away from the supporting plate is movably connected with the rear wall of the vertical plate through a rotating shaft and a bearing, be close to top fixedly connected with second electric telescopic handle on the relative one side lateral wall of riser and boiler body, the utility model discloses a series of structures make this device have application scope wide and polish characteristics such as effectual.

Description

Boiler grinding device

Technical Field

The utility model relates to a boiler processing technology field specifically is a boiler grinding device.

Background

The boiler is in the course of working, and its bottom often is rough injustice, consequently need polish to the bottom of boiler, and present grinding device is fixed mostly, can only the boiler of centre gripping fixed dimension polish to it, thereby it is narrow to lead to current boiler grinding device application scope, simultaneously because the boiler is the structure of cylinder mostly, its bottom is when polishing, and there is the shortcoming of the difficulty of polishing in the edge of bottom, thereby it is poor to lead to polishing the effect, for this reason we have proposed a boiler grinding device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's application scope narrow and polish defect such as effect difference, provide a boiler grinding device. The boiler polishing device has the characteristics of wide application range, good polishing effect and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler grinding device, includes U-shaped frame and boiler body, and the opening orientation of U-shaped frame right, and boiler body is inversion state, its characterized in that: a boiler body is arranged in the U-shaped frame, a flat plate is arranged at the position, close to the bottom, of an inner cavity of the U-shaped frame, a supporting plate is movably connected above the flat plate, a straight plate is movably connected above the supporting plate, the top of the straight plate is contacted with the top of the boiler body, vertical plates are respectively and movably connected at the positions, close to the left side and the right side, of the top of the supporting plate, connecting rods are respectively and movably connected with the rear wall of the vertical plate from top to bottom through rotating shafts and bearings at the positions, close to the left side and the right side, of the rear wall of the straight plate, the end, far away from the connecting rods and the supporting plate, is movably connected with the rear wall of the vertical plate through rotating shafts and bearings, a second electric telescopic rod is fixedly connected at the position, close to the top, of the side wall, far away from the vertical, a transverse plate is fixedly connected to the position, close to the top, of the inner cavity of the U-shaped frame, a first motor is installed on the top of the transverse plate, a polishing disc is movably connected to the bottom of the transverse plate, the bottom of the polishing disc is in contact with the bottom of the boiler body, vertical plates are fixedly connected to the positions, close to the left and right sides, of the bottom of the transverse plate respectively, a dust suction head is arranged on the position, close to the bottom, of one side wall, opposite to the boiler body, of each vertical plate, a dust collection box is movably connected to the position, close to the right side, of the top of the transverse plate, the left side of the dust collection box is provided with a first material guide pipe, a second material guide pipe is fixedly connected to the first material guide pipe and communicated with the inside of the first material guide pipe, through holes matched with the first material guide pipe and the second material guide pipe are formed in the right side walls of the transverse plate, the vertical plates, the dust collector is fixedly connected to the position, close to the right side, of the first material guide pipe, the left end of the first material guide pipe and the bottom end of the second material guide pipe penetrate through the through holes in the transverse plate and the vertical plate respectively and are fixedly connected with the side wall of the dust collection head, and the supporting legs are fixedly connected to the positions, close to the left side and the right side, of the bottom of the U-shaped frame respectively.

Preferably, the cylinder is installed to dull and stereotyped bottom, and has cup jointed the air duct on the top gas port of cylinder, the thick pipe of fixedly connected with on the dull and stereotyped top, and the top of air duct runs through the bottom fixed connection of dull and stereotyped and thick pipe to the top of air duct is linked together with the inside of thick pipe, be provided with the piston in the thick pipe, and the outer wall of piston contacts with the inner wall of thick pipe, fixedly connected with catch bar on the top of piston, and set up on the top of thick pipe with catch bar assorted through-hole, the movable groove has been seted up in the backup pad, and has seted up the mounting groove on the bottom of straight board, the top of catch bar passes through-hole and movable groove in proper order and through pivot and bearing and the front and back inner wall.

Preferably, the bottom of the vertical plate is fixedly connected with a sliding block, and the top of the supporting plate is provided with a sliding groove matched with the sliding block.

Preferably, be close to the different fixedly connected with mounting panel of left and right sides punishment on the bottom of backup pad, and have first electric telescopic handle and slender pole through pivot and bearing swing joint respectively on the back wall of two mounting panels, the slender pole overcoat is equipped with expanding spring and first pipe, and expanding spring's both ends respectively with the bottom of mounting panel and the top fixed connection of first pipe, one side that first pipe and expanding spring kept away from mutually and first electric telescopic handle's bottom respectively with dull and stereotyped top fixed connection.

Preferably, there is the second pipe through pivot and bearing swing joint on the bottom of diaphragm, and the second pipe endotheca is equipped with T shape pole, seted up on the bottom of second pipe with T shape pole assorted through-hole, and the bottom of T shape pole passes the through-hole and extends to the second pipe outside with the top fixed connection who beats the mill, fixedly connected with compression spring between the top of T shape pole and the inner chamber top of second pipe, and the top of second pipe passes the inner circle of bearing and runs through the output shaft fixed connection of diaphragm and first motor.

Preferably, fixedly connected with discharging pipe on the top of dust collection box, the discharging pipe intussuseption is filled with the sealing plug, fixedly connected with inserted bar on the right side lateral wall of dust collection box, be close to right side department fixedly connected with L shaped plate on the inner chamber top of U-shaped frame, seted up on the bottom of L shaped plate with inserted bar assorted slot.

Preferably, the second motor is installed to the bottom of U-shaped frame, and has the carousel through pivot and bearing swing joint on the inner chamber bottom of U-shaped frame to the bottom of pivot passes the inner circle of bearing and runs through the bottom of U-shaped frame and the output shaft fixed connection of second motor, be close to the fixedly connected with montant respectively of left and right sides punishment on the top of carousel, and the top of montant and dull and stereotyped top fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a mutually supporting between cylinder, thick pipe, piston, catch bar and the straight board, adaptable boiler body to different height dimensions is fixed, through mutually supporting between second electric telescopic handle, arc splint and the protection pad, can realize carrying out the centre gripping to different external diameter dimension's boiler body to can realize that this device can adapt to not unidimensional boiler body and carry out the centre gripping fixed, and then the effectual application scope who enlarges this device.

2. The utility model discloses an electric telescopic handle, first motor, the second motor, the carousel, it is dull and stereotyped, the montant, the fat pipe, the catch bar, the second pipe, mutually support between T shape pole and the dish of polishing, thereby can realize carrying out even polishing to the edge and the bottom of boiler body, through the dust catcher, first passage, mutually support between second passage and the dust absorption head, can realize absorbing the produced piece dust of boiler body when polishing, and then improved the efficiency of polishing effectively, thereby reach the effectual purpose of polishing.

3. The utility model discloses a mutually supporting between first pipe, thin pole, expanding spring, second pipe, T shape pole and the compression spring, stability when can effectual improvement boiler body be in the state of having a down dip from top to bottom with can reduce the produced vibrations of boiler body when polishing, and then the effectual efficiency of polishing of dish to boiler body that has improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Reference numbers in the figures: 1. a U-shaped frame; 2. a boiler body; 3. a second electric telescopic rod; 4. a straight plate; 5. a first material guide pipe; 6. an arc-shaped splint; 7. a first electric telescopic rod; 8. a cylinder; 9. a thick pipe; 10. a piston; 11. a push rod; 12. a transverse plate; 13. grinding disc; 14. a second circular tube; 15. a T-shaped rod; 16. a compression spring; 17. a first motor; 18. a vertical plate; 19. a dust collecting box; 20. a second material guide pipe; 21. a dust collection head; 22. a vacuum cleaner; 23. a support plate; 24. a vertical plate; 25. a thin rod; 26. a tension spring; 27. a first circular tube; 28. a second motor; 29. a turntable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a boiler polishing device comprises a U-shaped frame 1 and a boiler body 2, wherein the opening of the U-shaped frame 1 faces to the right, the boiler body 2 is in an inverted state, the boiler body 2 is arranged in the U-shaped frame 1, a flat plate is arranged in the position, close to the bottom, of an inner cavity of the U-shaped frame 1, a supporting plate 23 is movably connected above the flat plate, a straight plate 4 is movably connected above the supporting plate 23, the top of the straight plate 4 is contacted with the top of the boiler body 2, vertical plates 24 are respectively and movably connected to the positions, close to the left side and the right side, of the top of the supporting plate 23, connecting rods are respectively and movably connected to the positions, close to the left side and the right side, of the rear wall of the straight plate 4 from top to bottom through rotating shafts and bearings, one end, far away from the supporting plate 23, of each connecting rod is movably connected with the rear wall of the, and the end of the second electric telescopic rod 3 far away from the vertical plate 24 is fixedly connected with an arc-shaped clamping plate 6, and the side wall of one side of the arc-shaped clamping plate 6 opposite to the boiler body 2 is fixedly connected with a protective pad, thereby realizing the clamping of the boiler bodies 2 with different external diameter sizes, the inner cavity of the U-shaped frame 1 near the top is fixedly connected with a horizontal plate 12, the top of the horizontal plate 12 is provided with a first motor 17, the bottom of the horizontal plate 12 is movably connected with a polishing disc 13, the bottom of the polishing disc 13 is contacted with the bottom of the boiler body 2, the bottom of the horizontal plate 12 near the left and right sides is respectively fixedly connected with a vertical plate 18, the side wall of one side of the vertical plate 18 opposite to the boiler body 2 near the bottom is provided with a dust suction head 21, the top of the horizontal plate 12 near the right side is movably connected with a dust collecting box 19, the left side of the dust collecting box 19 is provided, the second material guiding pipe 20 is communicated with the inside of the first material guiding pipe 5, through holes matched with the first material guiding pipe 5 and the second material guiding pipe 20 are respectively formed in the side wall of the right side of the transverse plate 12, the vertical plate 18 and the dust collection box 19, the right end of the first material guiding pipe 5 penetrates through the through hole in the side wall of the right side of the dust collection box 19 and extends into the dust collection box 19, a dust collector 22 is fixedly connected to the position, close to the right side, of the first material guiding pipe 5, the left end of the first material guiding pipe 5 and the bottom end of the second material guiding pipe 20 respectively penetrate through the through holes in the transverse plate 12 and the vertical plate 18 and are fixedly connected with the side wall of the dust collection head 21, accordingly, the suction of the scrap dust generated during the grinding of the boiler body 2 can be achieved, the grinding efficiency is effectively improved, the purpose of good grinding effect is achieved, and supporting legs are respectively;

referring to fig. 2-3, an air cylinder 8 is installed at the bottom of the flat plate, an air duct is sleeved on an air port at the top of the air cylinder 8, a thick tube 9 is fixedly connected to the top of the flat plate, the top end of the air duct penetrates through the flat plate and is fixedly connected to the bottom of the thick tube 9, the top end of the air duct is communicated with the inside of the thick tube 9, a piston 10 is arranged in the thick tube 9, the outer wall of the piston 10 contacts with the inner wall of the thick tube 9, a push rod 11 is fixedly connected to the top of the piston 10, a through hole matched with the push rod 11 is formed in the top of the thick tube 9, a movable groove is formed in the support plate 23, a mounting groove is formed in the bottom of the straight plate 4, the top end of the push rod 11 sequentially penetrates through the through hole and the movable groove and is movably connected with the front and rear inner walls of the mounting groove through a rotating shaft and a bearing, so that boiler bodies 2, thereby effectively expanding the application range of the device, the bottom of the vertical plate 24 is fixedly connected with a slide block, the top of the support plate 23 is provided with a slide groove matched with the slide block, the bottom of the support plate 23 is fixedly connected with mounting plates close to the left and right sides respectively, and the rear walls of the two mounting plates are movably connected with a first electric telescopic rod 7 and a thin rod 25 through a rotating shaft and a bearing respectively, thereby realizing the inclination of the boiler body 2, enabling the edge and the bottom of the boiler body 2 to be uniformly polished, further achieving the purpose of good polishing effect, the thin rod 25 is sleeved with an extension spring 26 and a first circular tube 27, the two ends of the extension spring 26 are fixedly connected with the bottom of the mounting plate and the top of the first circular tube 27 respectively, the side of the first circular tube 27 far away from the extension spring 26 and the bottom of the first electric telescopic rod 7 are fixedly connected with the top of a flat, a second round pipe 14 is movably connected to the bottom of the transverse plate 12 through a rotating shaft and a bearing, a T-shaped rod 15 is sleeved in the second round pipe 14, a through hole matched with the T-shaped rod 15 is formed in the bottom of the second round pipe 14, the bottom end of the T-shaped rod 15 penetrates through the through hole and extends out of the second round pipe 14 to be fixedly connected with the top of the polishing disc 13, a compression spring 16 is fixedly connected between the top of the T-shaped rod 15 and the top of an inner cavity of the second round pipe 14, so that the stability of the boiler body 2 in an up-down inclined state can be effectively improved, the vibration generated during polishing of the boiler body 2 can be reduced, the polishing efficiency of the polishing disc 13 on the boiler body 2 is further effectively improved, the top of the second round pipe 14 penetrates through the inner ring of the bearing and penetrates through the transverse plate 12 to be fixedly connected with an output shaft of the first motor 17, a discharge pipe is fixedly connected to the top, an inserted bar is fixedly connected on the right side wall of the dust collecting box 19, an L-shaped plate is fixedly connected on the top of the inner cavity of the U-shaped frame 1 near the right side, a slot matched with the inserted bar is arranged on the bottom of the L-shaped plate, thereby realizing convenient and fast installation and disassembly of the dust collecting box 19 and cleaning the dust in the dust collecting box 19, the bottom of the U-shaped frame 1 is provided with the second motor 28, the bottom of the inner cavity of the U-shaped frame 1 is movably connected with the turntable 29 through the rotating shaft and the bearing, the bottom end of the rotating shaft penetrates through the inner ring of the bearing and penetrates through the bottom of the U-shaped frame 1 to be fixedly connected with an output shaft of a second motor 28, vertical rods are fixedly connected to the top of the rotary table 29 close to the left side and the right side respectively, and the top of the vertical rod is fixedly connected with the top of the flat plate, and the second electric telescopic rod 3, the first electric telescopic rod 7, the cylinder 8, the first motor 17, the second motor 28 and the dust collector 22 are respectively electrically connected with a control switch through an external power line.

The working principle is as follows: when the utility model is used, firstly, the boiler body 2 is inverted on the straight plate 4, the cylinder 8 is started, the cylinder 8 drives the push rod 11 to move upwards in the thick pipe 9 through the piston 10, at the moment, the connecting rod is stressed to drive the vertical plate 24 to slide towards the side wall direction of the boiler body 2, the cylinder 8 is closed until the bottom of the boiler body 2 is contacted with the bottom of the polishing disc 13, the second electric telescopic rod 3 is started, the second electric telescopic rod 3 is closed until the protective pad on the arc-shaped clamping plate 6 clamps the outer wall of the boiler body 2, thereby the boiler bodies 2 with different sizes can be clamped and fixed, the application range of the device is effectively enlarged, the first electric telescopic rod 7 is started, the first electric telescopic rod 7 moves upwards, the boiler body 2 on the supporting plate 23 is in an upper and lower inclined state, the first electric telescopic rod 7 is closed, at the moment, the T-shaped rod 15 and the thin rod 25 are respectively stressed to move downwards in the second round pipe 14 and the first round pipe 27, the compression spring 16 and the extension spring 26 are respectively in a stretching or compressing state, so that the stability of the boiler body 2 in an up-down tilting state is effectively improved, the vibration generated when the boiler body 2 is polished can be reduced, the polishing efficiency of the polishing disc 13 on the boiler body 2 is effectively improved, the first motor 17, the second motor 28 and the dust collector 22 are started, the first motor 17 drives the polishing disc 13 to rotate through the second round pipe 14 and the T-shaped rod 15, the second motor 28 drives the rotary disc 29 to rotate, so that the edge of the boiler body 2 can be effectively polished, meanwhile, the dust collector 22 can absorb the dust generated when the boiler body 2 is polished through the mutual matching of the first material guide pipe 5, the second material guide pipe 20 and the dust collection head 21, the polishing efficiency is effectively improved, and the purpose of good polishing effect is achieved, after the edge of boiler body 2 was polished smoothly, start first electric telescopic handle 7, first electric telescopic handle 7 downstream, make boiler body 2 in backup pad 23 be in the state of keeping flat after, close first electric telescopic handle 7, this moment, compression spring 16 and expanding spring 26 are in resilience state respectively, meanwhile, polishing plate 13 carries out even polishing to the bottom of boiler body 2, thereby can reach the effectual purpose of polishing, after the bottom of boiler body 2 is polished and is accomplished, close first motor 17, second motor 28 and dust catcher 22, pull out first passage 5 on the dust collection box 19, make the inserted bar break away from with the slot, take off dust collection box 19, pull out the sealing plug, thereby can realize that convenient the piece dust to in the dust collection box 19 clears up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boiler grinding device, includes U-shaped frame (1) and boiler body (2), and the opening orientation of U-shaped frame (1) right, and boiler body (2) are inversion state, its characterized in that: a boiler body (2) is arranged in the U-shaped frame (1), a flat plate is arranged at the position, close to the bottom, of an inner cavity of the U-shaped frame (1), a supporting plate (23) is movably connected to the upper portion of the flat plate, a straight plate (4) is movably connected to the upper portion of the supporting plate (23), the top portion of the straight plate (4) is in contact with the top portion of the boiler body (2), vertical plates (24) are movably connected to the positions, close to the left side and the right side, of the top portion of the supporting plate (23) respectively through a rotating shaft and a bearing, a connecting rod is movably connected to the positions, close to the left side and the right side, of the rear wall of the straight plate (4) from top to bottom respectively through a rotating shaft and a bearing, one end, far away from the supporting plate (23), of the connecting rod is movably connected to the rear wall of the vertical plate, an arc-shaped clamping plate (6) is fixedly connected to one end, far away from the vertical plate (24), of the second electric telescopic rod (3), a protective pad is fixedly connected to the side wall, opposite to the boiler body (2), of the arc-shaped clamping plate (6), a transverse plate (12) is fixedly connected to the position, close to the top, of an inner cavity of the U-shaped frame (1), a first motor (17) is installed on the top of the transverse plate (12), a polishing disc (13) is movably connected to the bottom of the transverse plate (12), the bottom of the polishing disc (13) is contacted with the bottom of the boiler body (2), vertical plates (18) are fixedly connected to the positions, close to the left side and the right side, of the bottom of the transverse plate (12), dust collection heads (21) are arranged on the positions, close to the bottom, of the side walls, opposite to the boiler body (2), of the vertical plates (18), and a dust collection box, a first material guiding pipe (5) is arranged at the left side of the dust collecting box (19), a second material guiding pipe (20) is fixedly connected on the first material guiding pipe (5), the second material guide pipe (20) is communicated with the inside of the first material guide pipe (5), through holes matched with the first material guide pipe (5) and the second material guide pipe (20) are respectively arranged on the lateral walls of the right sides of the transverse plate (12), the vertical plate (18) and the dust collection box (19), and the right end of the first material guiding pipe (5) passes through a through hole on the side wall of the right side of the dust collecting box (19) and extends into the dust collecting box (19), a dust collector (22) is fixedly connected to the position, close to the right side, of the first material guiding pipe (5), the left end of the first material guiding pipe (5) and the bottom end of the second material guiding pipe (20) respectively penetrate through the through holes on the transverse plate (12) and the vertical plate (18) to be fixedly connected with the side wall of the dust collection head (21), the bottom of the U-shaped frame (1) is respectively and fixedly connected with supporting legs close to the left side and the right side.

2. The boiler grinding device as claimed in claim 1, wherein: the bottom of the flat plate is provided with an air cylinder (8), an air port at the top of the air cylinder (8) is sleeved with an air guide pipe, the top of the flat plate is fixedly connected with a thick pipe (9), the top end of the air guide pipe penetrates through the flat plate and is fixedly connected with the bottom of the thick pipe (9), the top end of the air duct is communicated with the inside of the thick tube (9), a piston (10) is arranged in the thick tube (9), the outer wall of the piston (10) is contacted with the inner wall of the thick pipe (9), the top of the piston (10) is fixedly connected with a push rod (11), the top of the thick pipe (9) is provided with a through hole matched with the push rod (11), the supporting plate (23) is provided with a movable groove, and the bottom of the straight plate (4) is provided with a mounting groove, and the top end of the push rod (11) sequentially penetrates through the through hole and the movable groove and is movably connected with the front inner wall and the rear inner wall of the mounting groove through the rotating shaft and the bearing.

3. The boiler grinding device as claimed in claim 1, wherein: the bottom of the vertical plate (24) is fixedly connected with a sliding block, and the top of the supporting plate (23) is provided with a sliding groove matched with the sliding block.

4. The boiler grinding device as claimed in claim 1, wherein: be close to the different fixedly connected with mounting panel of left and right sides punishment on the bottom of backup pad (23), and have first electric telescopic handle (7) and slender pole (25) through pivot and bearing swing joint respectively on the back wall of two mounting panels, slender pole (25) overcoat is equipped with expanding spring (26) and first pipe (27), and the both ends of expanding spring (26) respectively with the bottom of mounting panel and the top fixed connection of first pipe (27), one side that first pipe (27) and expanding spring (26) kept away from mutually and the bottom of first electric telescopic handle (7) respectively with dull and stereotyped top fixed connection.

5. The boiler grinding device as claimed in claim 1, wherein: there are second pipe (14) through pivot and bearing swing joint in the bottom of diaphragm (12), and second pipe (14) endotheca is equipped with T shape pole (15), set up on the bottom of second pipe (14) with T shape pole (15) assorted through-hole, and the bottom of T shape pole (15) passes the through-hole and extend to second pipe (14) outer with the top fixed connection who beats mill (13), fixedly connected with compression spring (16) between the top of T shape pole (15) and the inner chamber top of second pipe (14), and the top of second pipe (14) passes the inner circle of bearing and runs through the output shaft fixed connection of diaphragm (12) and first motor (17).

6. The boiler grinding device as claimed in claim 1, wherein: fixedly connected with discharging pipe on the top of dust collection box (19), the discharging pipe intussuseption is filled with the sealing plug, fixedly connected with inserted bar on the right side lateral wall of dust collection box (19), be close to right side department fixedly connected with L shaped plate on the inner chamber top of U-shaped frame (1), seted up on the bottom of L shaped plate with inserted bar assorted slot.

7. The boiler grinding device as claimed in claim 1, wherein: second motor (28) are installed to the bottom of U-shaped frame (1), and have carousel (29) through pivot and bearing swing joint on the inner chamber bottom of U-shaped frame (1) to the bottom of pivot passes the inner circle of bearing and runs through the bottom of U-shaped frame (1) and the output shaft fixed connection of second motor (28), be close to the other fixedly connected with montant of left and right sides punishment on the top of carousel (29), and the top of montant and dull and stereotyped top fixed connection.