CN220223497U - Liftable maintenance device - Google Patents

Abstract

The utility model relates to the technical field of engineering mechanical equipment, in particular to a lifting maintenance device which comprises a base and two fixed side plates fixedly arranged at the upper end of the base; the hanging basket is slidably mounted between the two fixed side plates, the power assembly used for driving the hanging basket to lift is mounted on the top end of each fixed side plate, a plurality of groups of anti-falling assemblies are mounted on each fixed side plate, each anti-falling assembly comprises a rotary barrel, a safety limiting block, a movable plate, a guide rod and a spring, toothed rings are fixedly arranged on the rotary barrel, two rectangular connecting frames are arranged above the base, a plurality of long racks are fixedly connected between the two rectangular connecting frames, the long racks are connected with the toothed rings on one side in an all-meshed mode, and a linear driving mechanism used for driving the rectangular connecting frames to lift is mounted on the base. The utility model has high safety and can avoid the falling acceleration in the process of driving the hanging basket to ascend and descend.

Description

Liftable maintenance device

Technical Field

The utility model relates to the technical field of engineering mechanical equipment, in particular to a lifting maintenance device.

Background

The lifting machinery is mechanical equipment driven to lift by a hydraulic cylinder or a chain and is mainly used for high-altitude operation and high-altitude maintenance; when large-scale mechanical maintenance work is performed, a lifter is required for mechanical maintenance, and the lifter is also required for top maintenance of mechanical equipment.

The Chinese patent with the authorized bulletin number of CN210683122U discloses a liftable maintenance platform, which comprises a travelling mechanism, a supporting frame, a lifting platform, a lifting driving mechanism and an electric control system; the support frame comprises a base and a vertical frame, the travelling mechanism is arranged on the base, the lifting platform is connected to the slidable vertical frame, the lifting platform is connected with the lifting driving mechanism and driven by the lifting driving mechanism to realize lifting and descending motions, and the lifting driving mechanism is electrically connected with the electric control system; a working pedal is paved on the working table surface of the lifting platform, and an arc-shaped opening matched with equipment to be overhauled is formed in the working pedal; four corners of the base are provided with auxiliary supports for positioning.

The following technical drawbacks remain in the above-mentioned published patents: when the lifting platform falls rapidly due to faults, the lifting platform falls to the ground from a high place, and the lifting platform has larger kinetic energy due to larger fall, so that safety accidents are easy to be caused.

Disclosure of Invention

The utility model aims to solve the technical problems in the background technology and provides a lifting maintenance device.

The technical scheme of the utility model is as follows: a lifting maintenance device comprises a base and two fixed side plates fixedly arranged at the upper end of the base; the bottom of base is installed a plurality of auto-lock universal wheels, slidable mounting has the hanging flower basket between two fixed curb plates, the power pack who is used for driving the hanging flower basket to go up and down is installed on the top of fixed curb plate, all install multiunit anti-falling assembly on two fixed curb plates, anti-falling assembly is including rotating the barrel, safe stopper, the fly leaf, guide bar and spring, wherein, it installs on fixed curb plate to rotate the barrel rotation, the inside at the barrel is rotated to the guide bar, fly leaf slidable mounting is on the guide bar, the spring housing is established and is installed on the guide bar, safe stopper is located one side of rotating the barrel, safe stopper is triangular prism structure, fixedly connected with a plurality of connecting rods between safe stopper and the fly leaf, the tip of barrel is rotated in all activity run through to a plurality of connecting rods, fixedly provided with the ring gear on the rotation barrel, the top of base is provided with two rectangle link, fixedly connected with a plurality of long racks between two rectangle link, long rack and a plurality of ring gear that correspond one side are all meshed and are connected, install the sharp actuating mechanism that is used for driving the rectangle link to go up and down on the base.

Preferably, the bottom of base rotates and installs a plurality of dwang, and the tip threaded connection of dwang has the threaded rod, and the upper and lower both ends of threaded rod are fixed respectively and are provided with supporting shoe and carousel.

Preferably, a plurality of reinforcing cross bars are fixedly connected between the two fixed side plates.

Preferably, the safety limiting block is fixedly provided with a buffer gasket.

Preferably, the basket is provided with a controller.

Preferably, the power assembly comprises a servo motor, a speed reducer, a wire winding wheel and a high-strength steel wire rope, wherein the servo motor and the speed reducer are fixedly arranged at the top end of the fixed side plate, an output shaft of the servo motor is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is fixedly connected with the wire winding wheel, one end of the high-strength steel wire rope is fixedly wound on the wire winding wheel, and the other end of the high-strength steel wire rope is fixedly connected with the hanging basket.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: when the hanging basket is driven to move upwards, the hanging basket extrudes a plurality of safety limiting blocks to move outwards, so that the hanging basket can rise smoothly, when equipment breaks down to cause the hanging basket to fall rapidly, the arranged safety limiting blocks can play a limiting role on the hanging basket, and when the hanging basket is driven to move downwards, the controller automatically controls the linear driving mechanism to work so as to drive a plurality of long racks to move, and the long racks move to drive a plurality of toothed rings to rotate, so that the reversing work of the safety limiting blocks is realized, and the hanging basket can be prevented from falling rapidly when the hanging basket falls downwards; in conclusion, the utility model has high safety, and can avoid the falling acceleration in the process of driving the hanging basket to ascend and descend.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic view of a fall arrest assembly according to the present utility model.

Reference numerals: 1. fixing the side plates; 2. a hanging basket; 3. a base; 4. self-locking universal wheels; 5. a controller; 6. rotating the cylinder; 7. a linear driving mechanism; 8. a servo motor; 9. a speed reducer; 10. a wire winding wheel; 11. a high strength steel wire rope; 12. a safety limiting block; 13. a reinforcing cross bar; 14. a rectangular connecting frame; 15. a long rack; 16. a toothed ring; 17. a rotating lever; 18. a support block; 19. a threaded rod; 20. a turntable; 21. a buffer pad; 22. a connecting rod; 23. a movable plate; 24. a guide rod; 25. and (3) a spring.

Detailed Description

Example 1

As shown in fig. 1-2, the lifting maintenance device provided by the utility model comprises a base 3 and two fixed side plates 1 fixedly arranged at the upper end of the base; a plurality of reinforcing cross bars 13 are fixedly connected between the two fixed side plates 1, a plurality of self-locking universal wheels 4 are arranged at the bottom end of the base 3, a hanging basket 2 is slidably arranged between the two fixed side plates 1, a power component for driving the hanging basket 2 to lift is arranged at the top end of the fixed side plate 1, the power component comprises a servo motor 8, a speed reducer 9, a take-up pulley 10 and a high-strength steel wire rope 11, wherein the servo motor 8 and the speed reducer 9 are fixedly arranged at the top end of the fixed side plate 1, an output shaft of the servo motor 8 is connected with an input shaft of the speed reducer 9, an output shaft of the speed reducer 9 is fixedly connected with the take-up pulley 10, one end of the high-strength steel wire rope 11 is fixedly wound on the take-up pulley 10, the other end of the high-strength steel wire rope is fixedly connected with the hanging basket 2, a plurality of groups of anti-falling components are arranged on the two fixed side plates 1, the anti-falling components comprise a rotary cylinder 6, a safety limiting block 12, a movable plate 23, a guide rod 24 and a spring 25, wherein the rotary cylinder body 6 is rotatably arranged on the fixed side plate 1, the guide rod 24 is fixed in the rotary cylinder body 6, the movable plate 23 is slidably arranged on the guide rod 24, the spring 25 is sleeved on the guide rod 24, the safety limiting block 12 is arranged on one side of the rotary cylinder body 6, the safety limiting block 12 is of a triangular prism structure, the safety limiting block 12 is fixedly provided with a buffer gasket 21, a plurality of connecting rods 22 are fixedly connected between the safety limiting block 12 and the movable plate 23, the plurality of connecting rods 22 movably penetrate through the end part of the rotary cylinder body 6, the toothed ring 16 is fixedly arranged on the rotary cylinder body 6, two rectangular connecting frames 14 are arranged above the base 3, a plurality of long racks 15 are fixedly connected between the two rectangular connecting frames 14, the long racks 15 are in meshed connection with the plurality of toothed rings 16 on the corresponding side, the base 3 is provided with a linear driving mechanism 7 for driving the rectangular connecting frame 14 to lift, and the hanging basket 2 is provided with a controller 5.

In this embodiment, when the hanging basket 2 is driven to move upwards, the hanging basket 2 extrudes the plurality of safety limiting blocks 12 to move outwards, so that the hanging basket 2 can rise smoothly, when the hanging basket 2 falls rapidly due to equipment failure, the arranged safety limiting blocks 12 can limit the hanging basket 2, and when the hanging basket 2 is driven to move downwards, the controller 5 automatically controls the linear driving mechanism 7 to work so as to drive the plurality of long racks 15 to move, and the long racks 15 move and drive the plurality of toothed rings 16 to rotate 180 degrees, so that the reversing work of the safety limiting blocks 12 is realized, and the hanging basket 2 can be prevented from falling rapidly when the hanging basket 2 falls downwards; in conclusion, the utility model has high safety, and can avoid the falling acceleration of the hanging basket 2 in the ascending and descending processes of the hanging basket.

Example two

As shown in fig. 1, in the present embodiment, compared with the first embodiment, the lifting maintenance device further includes a plurality of rotating rods 17 rotatably mounted at the bottom end of the base 3, the end portions of the rotating rods 17 are in threaded connection with threaded rods 19, and the upper and lower ends of the threaded rods 19 are respectively and fixedly provided with supporting blocks 18 and turntables 20.

In this embodiment, the plurality of rotating rods 17 are driven to rotate, so that the end portions of the rotating rods 17 are far away from the base 3 as far as possible, and then the threaded rods 19 are driven to rotate until the supporting blocks 18 are in contact with the ground, so that the stability of the base 3 can be improved.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (6)

1. The lifting maintenance device is characterized by comprising a base (3) and two fixed side plates (1) fixedly arranged at the upper end of the base; a plurality of self-locking universal wheels (4) are arranged at the bottom end of a base (3), a hanging basket (2) is slidably arranged between two fixed side plates (1), a power component for driving the hanging basket (2) to lift is arranged at the top end of each fixed side plate (1), a plurality of groups of anti-falling components are arranged on each fixed side plate (1), each anti-falling component comprises a rotary cylinder body (6), a safety limiting block (12), a movable plate (23), a guide rod (24) and a spring (25), wherein the rotary cylinders (6) are rotatably arranged on the fixed side plates (1), the guide rods (24) are fixed inside the rotary cylinders (6), the movable plates (23) are slidably arranged on the guide rods (24), the springs (25) are sleeved on the guide rods (24), the safety limiting blocks (12) are arranged on one sides of the rotary cylinders (6), a plurality of connecting rods (22) are fixedly connected between the safety limiting blocks (12) and the movable plates (23), the end parts of the rotary cylinders (6) are movably penetrated through, rectangular toothed rings (6) are fixedly arranged on the rotary cylinders (6), a plurality of rectangular racks (14) are fixedly connected with two rectangular racks (14) respectively, a plurality of racks (14) are fixedly connected with one another, the long rack (15) is in meshed connection with a plurality of toothed rings (16) on the corresponding side, and a linear driving mechanism (7) for driving the rectangular connecting frame (14) to lift is arranged on the base (3).

2. The lifting maintenance device according to claim 1, wherein a plurality of rotating rods (17) are rotatably arranged at the bottom end of the base (3), threaded rods (19) are connected to the end portions of the rotating rods (17) in a threaded manner, and supporting blocks (18) and rotating discs (20) are fixedly arranged at the upper end and the lower end of the threaded rods (19) respectively.

3. A lifting maintenance device according to claim 1, characterized in that a plurality of reinforcing crossbars (13) are fixedly connected between the two fixed side plates (1).

4. The lifting maintenance device according to claim 1, wherein a buffer pad (21) is fixedly arranged on the safety limiting block (12).

5. A lifting maintenance device according to claim 1, characterized in that the basket (2) is provided with a controller (5).

6. The lifting maintenance device according to claim 1, wherein the power assembly comprises a servo motor (8), a speed reducer (9), a take-up pulley (10) and a high-strength steel wire rope (11), wherein the servo motor (8) and the speed reducer (9) are fixedly arranged at the top end of the fixed side plate (1), an output shaft of the servo motor (8) is connected with an input shaft of the speed reducer (9), an output shaft of the speed reducer (9) is fixedly connected with the take-up pulley (10), one end of the high-strength steel wire rope (11) is fixedly wound on the take-up pulley (10), and the other end of the high-strength steel wire rope is fixedly connected with the hanging basket (2).