CN216155397U

CN216155397U - Servo hydraulic synchronous jacking device

Info

Publication number: CN216155397U
Application number: CN202122185800.3U
Authority: CN
Inventors: 李新法; 李庆; 李德宪
Original assignee: Zhengzhou Haida Hydraulic Technology Co ltd
Current assignee: Zhengzhou Haida Hydraulic Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-04-01
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a servo hydraulic synchronous jacking device which comprises a first outer pipe and a second outer pipe which are parallel to each other, wherein a first inner pipe and a second inner pipe which can move up and down are respectively arranged in the first outer pipe and the second outer pipe in a penetrating mode, the upper end between the first inner pipe and the second inner pipe is connected with a cross beam, the upper end of the first outer pipe is provided with a first roller, the lower ends of the first inner pipe and the second inner pipe are respectively provided with a second roller, the cross beam is provided with a plurality of third rollers, one side of the first outer pipe is provided with a servo power structure, the servo power structure is provided with a steel wire rope, the steel wire rope sequentially bypasses the first roller, the second roller on the first inner pipe, the third roller and the second roller on the second inner pipe, and one end, away from the servo power structure, of the steel wire rope is fixed to the top end of the second outer pipe; according to the utility model, the first inner pipe and the second inner pipe are synchronously descended due to the lifting of the steel wire rope, so that the possibility of inclination of the ceiling in the lifting process is reduced, and the use safety is improved.

Description

Servo hydraulic synchronous jacking device

Technical Field

The utility model belongs to the technical field of hydraulic jacking and relates to a servo hydraulic synchronous jacking device.

Background

In order to meet the market demand, the mobile stage vehicle is suitable for the scene, has high liquidity, is more convenient for performance, and reduces the limitation brought by different places. At present, the mobile stage vehicle adopts a plurality of oil cylinders to support the lifting of a ceiling, but in the oil cylinder lifting process, because the oil cylinders cannot be synchronously carried out due to the manufacturing errors of the oil cylinders and the pushing oil liquid, the lifting actions of the oil cylinders at different positions cannot be synchronously carried out, the ceiling is easily inclined in the lifting process, dangerous accidents are easily caused, and the safety of personnel is damaged.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a servo hydraulic synchronous jacking device which well solves the problem that a plurality of oil cylinders cannot be lifted synchronously in the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a servo hydraulic pressure synchronous jacking device, includes first outer tube and the second outer tube that is parallel to each other, and first inner tube and the second inner tube that can the up-and-down motion are worn to be equipped with respectively in first outer tube and the second outer tube, and the upper end between first inner tube and the second inner tube is connected with the crossbeam, and the upper end of first outer tube is provided with first gyro wheel, the lower extreme of first inner tube and second inner tube all is provided with the second gyro wheel, be provided with a plurality of third gyro wheels on the crossbeam, one side of first outer tube is provided with servo power structure, servo power is structural to be provided with wire rope, wire rope walks around in proper order on second gyro wheel, third gyro wheel, the second inner tube on first gyro wheel, first inner tube, wire rope deviates from servo power structure's one end and fixes the top of second outer tube.

Furthermore, the servo power structure comprises a servo hydraulic motor, a speed reducer, a rotating shaft and a winch, an output shaft of the servo hydraulic motor is connected with an input end of the speed reducer, an output end of the speed reducer is connected with the rotating shaft, the winch is fixed to the rotating shaft, and the steel wire rope is wound on the winch.

Furthermore, one end of the rotating shaft is provided with a driven gear, the driven gear is meshed with a driving gear, a rotating handle is connected to the end face of the driving gear, and the driving gear is connected with a support.

Furthermore, the middle parts of the first outer pipe and the second outer pipe are respectively provided with a blocking hole, and the outer walls of the first outer pipe and the second outer pipe are respectively provided with a blocking pin which can be inserted into the blocking hole.

Furthermore, the side walls of the first outer pipe and the second outer pipe are respectively fixed with a sleeve ring, and the stop pin is inserted in the sleeve rings.

Furthermore, a tension wheel is arranged in the middle of the cross beam, and the steel wire rope is wound around from the lower part of the tension wheel.

Furthermore, a fourth roller is arranged at the upper end of the first outer pipe, and the steel wire rope bypasses from the upper side of the fourth roller.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the steel wire rope is wound under the driving of the servo power structure, and the steel wire rope is shortened and simultaneously lifted up the first inner pipe and the second inner pipe to be lifted up synchronously; when descending, release wire rope under the drive of servo power structure, first inner tube and second inner tube descend under the gravity of self, because wire rope's lift for first inner tube and second inner tube descend in step, make the ceiling reduce the possibility that takes place the slope in the lift in-process, improve the security of using.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the capstan and spindle of the present invention;

fig. 4 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a first outer pipe (1), a second outer pipe (2), a first inner pipe (3), a second inner pipe (4), a cross beam (5), a first roller (6), a second roller (7), a third roller (8), a steel wire rope (9), a servo hydraulic motor (10), a speed reducer (11), a rotating shaft (12), a winch (13), a driven gear (14), a driving gear (15), a stopping hole (16), a stopping pin (17), a sleeve ring (18), a tensioning wheel (19) and a fourth roller (20).

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the servo hydraulic synchronous jacking device of the utility model comprises a first outer pipe 1 and a second outer pipe 2 which are parallel to each other, wherein a first inner pipe 3 and a second inner pipe 4 which can move up and down are respectively arranged in the first outer pipe 1 and the second outer pipe 2 in a penetrating way, specifically, the first outer pipe 1, the second outer pipe 2, the first inner pipe 3 and the second inner pipe 4 can be made of round pipe section bars and square pipe section bars, so that the manufacturing cost is reduced, a cross beam 5 is welded at the upper end between the first inner pipe 3 and the second inner pipe 4, the cross beam 5 is made of square pipe section bars, ear plates are welded at the upper end of the first outer pipe 1, the ear plates are connected with a first roller 6 through a shaft, a second roller 7 is also arranged at the lower ends of the first inner pipe 3 and the second inner pipe 4 in the same structure, a hinge shaft 8 is arranged in the cross beam 5, a servo power structure is arranged at one side of the first outer pipe 1, a steel wire rope 9 is arranged on the servo power structure, the steel wire rope 9 is wound around the first roller 6, the second roller 7 and the third roller 8 on the first inner pipe 3 and the second roller 7 on the second inner pipe 4 for the last time, and one end, away from the servo power structure, of the steel wire rope 9 is fixed to the top end of the second outer pipe 2; when the technical scheme is used, the mounting plates are welded at the upper ends of the first inner pipe 3 and the second inner pipe 4 and are fixed to a ceiling through bolts, the first outer pipe 1 and the second outer pipe 2 are mounted on a carriage of the stage car through bolt structures, when the ceiling needs to ascend, the servo power structure winds the steel wire rope 9, and under the stopping action of the second roller 7, the first inner pipe 3 and the second inner pipe 4 ascend synchronously; when the ceiling needs to descend, the servo power structure releases the steel wire rope 9, the first inner pipe 3 and the second inner pipe 4 descend synchronously under the gravity of the first inner pipe 3 and the second inner pipe 4 and the gravity of the ceiling, so that the possibility of inclination of the ceiling in the lifting process is reduced, and the use safety is improved.

In this embodiment, as shown in fig. 1, the servo power structure includes a servo hydraulic motor 10, a speed reducer 11, a rotating shaft 12 and a winch 13, an output shaft of the servo hydraulic motor 10 is connected to an input end of the speed reducer 11, an output end of the speed reducer 11 is connected to the rotating shaft 12, the winch 13 is connected to the rotating shaft 12 through a key structure, the steel wire rope 9 is wound on the winch 13, two ends of the rotating shaft 12 are mounted on a carriage of the stage car through a bearing and a bearing seat, the servo hydraulic motor 10 and the speed reducer 11 are fixed to the carriage through a bolt structure, the servo hydraulic motor 10 rotates and can drive the rotating shaft 12 and the winch 13 to rotate through transmission of the speed reducer 11, and the winch 13 rotates forward and backward to release and wind the steel wire rope 9.

In this embodiment, as shown in fig. 1 and 3, one end of the rotating shaft 12 is connected with a driven gear 14 through a key structure, the driven gear 14 is engaged with a driving gear 15, a rotating handle is welded on an end surface of the driving gear 15, the driving gear 15 is integrally connected with a shaft, the shaft is connected with a support through a bearing and a bearing seat, the support can be fixed on a carriage through a bolt structure, when the servo hydraulic motor 10 is damaged or loses power, the driving gear 15 can be manually rotated, and the rotating shaft 12 and the winch 13 are driven to rotate through transmission of the driving gear 15 and the driven gear 14. Improving the adaptability of the utility model.

In this embodiment, the middle portions of the first outer tube 1 and the second outer tube 2 are both provided with a stop hole 16, the stop hole 16 completely penetrates through the first outer tube 1 and the second outer tube 2, when the first inner tube 3 and the second inner tube 4 lift the ceiling to a proper position, the lower ends of the first inner tube 3 and the second inner tube 4 are higher than the stop hole 16, and a stop pin 17 is inserted into the stop hole 16, so that when the servo power structure loses power or the steel wire rope 9 is broken, the first inner tube 3 and the second inner tube 4 are prevented from rapidly descending, and the safety in use of the utility model is improved.

In this embodiment, the side walls of the first outer tube 1 and the second outer tube 2 are both welded with the lantern rings 18, the stop pins 17 are inserted into the lantern rings 18, the stop pins 17 can be taken and used conveniently, preferably, nuts are welded on one sides of the lantern rings 18 and the stop pins 17, and a rope or a steel wire is bound between the two nuts, so that the probability that the stop pins 17 are lost is reduced.

In this embodiment, a tension pulley 19 is arranged in the middle of the cross beam 5, and the steel wire rope 9 is wound around from the lower part of the tension pulley 19; and the steel wire rope 9 is tensioned, so that the steel wire rope 9 is prevented from shaking in the use process.

In this embodiment, as shown in fig. 4, the fourth roller 20 is disposed at the upper end of the first outer tube 1, and the steel wire rope 9 is wound around the fourth roller 20, so that the steel wire rope 9 is prevented from being worn by the end surface of the first outer tube 1, and the service life of the steel wire rope 9 is prolonged.

In this embodiment, as shown in fig. 2, grooves are formed in the inner side walls of the first outer tube 1 and the second outer tube 2, and the steel wire rope 9 can be sunk into the grooves, so that the first outer tube 1, the second outer tube 2, the first inner tube 3 and the second inner tube 4 are prevented from being worn due to excessive contact, and the service life of the steel wire rope 9 is prolonged.

In this embodiment, first outer tube 1, the equal parallel arrangement of second outer tube 2 have two, and same first inner tube 3 and second inner tube 4 set up two equally, and two first inner tubes 3 and second inner tube 4 set up in the four corners department of ceiling, improve the stationarity of lifting, and corresponding is provided with two capstan winches 13 in pivot 12 to twine wire rope 9 respectively.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a servo hydraulic pressure synchronous jacking device which characterized in that: including first outer tube and the second outer tube that is parallel to each other, first inner tube and the second inner tube that can the up-and-down motion are worn to be equipped with respectively in first outer tube and the second outer tube, and the upper end between first inner tube and the second inner tube is connected with the crossbeam, and the upper end of first outer tube is provided with first gyro wheel, the lower extreme of first inner tube and second inner tube all is provided with the second gyro wheel, be provided with a plurality of third gyro wheels on the crossbeam, one side of first outer tube is provided with servo power structure, servo power is structural is provided with wire rope, wire rope walks around in proper order on the second gyro wheel on second gyro wheel, third gyro wheel, the second inner tube on first gyro wheel, first inner tube, wire rope deviates from the top of second outer tube to the one end of servo power structure.

2. The servo hydraulic synchronous jacking device according to claim 1, wherein: the servo power structure comprises a servo hydraulic motor, a speed reducer, a rotating shaft and a winch, wherein an output shaft of the servo hydraulic motor is connected with an input end of the speed reducer, an output end of the speed reducer is connected with the rotating shaft, the winch is fixed to the rotating shaft, and the steel wire rope is wound on the winch.

3. The servo hydraulic synchronous jacking device according to claim 2, wherein: one end of the rotating shaft is provided with a driven gear, the driven gear is meshed with a driving gear, a rotating handle is connected to the end face of the driving gear, and the driving gear is connected with a support.

4. The servo hydraulic synchronous jacking device according to claim 1, wherein: the middle parts of the first outer pipe and the second outer pipe are provided with stop holes, and stop pins capable of being inserted into the stop holes are placed on the outer walls of the first outer pipe and the second outer pipe.

5. The servo hydraulic synchronous jacking device according to claim 4, wherein: and the side walls of the first outer pipe and the second outer pipe are respectively fixed with a sleeve ring, and the stop pin is inserted in the sleeve rings.

6. The servo hydraulic synchronous jacking device according to claim 1, wherein: the middle part of the cross beam is provided with a tension wheel, and the steel wire rope is wound around from the lower part of the tension wheel.

7. The servo hydraulic synchronous jacking device according to claim 1, wherein: and a fourth roller is arranged at the upper end of the first outer pipe, and the steel wire rope is wound over the fourth roller.