CN220351647U

CN220351647U - Lifting device for be used for cable pit

Info

Publication number: CN220351647U
Application number: CN202322059287.2U
Authority: CN
Inventors: 蒋美美
Original assignee: Hubei Zili Transmission And Transformation Engineering Co ltd
Current assignee: Hubei Zili Transmission And Transformation Engineering Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-16
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to the technical field of lifting equipment, and discloses a lifting device for a cable shaft. The utility model has the following advantages and effects: be convenient for receive and release and altitude mixture control to can make the device be applicable to the cable shaft of equidimension not and use, the effectual convenience and the flexibility that has improved the device use simultaneously, and can provide effectual buffering for equipment or personnel on the upper plate when the bottoming phenomenon appears, avoid equipment to receive damage or personnel to receive the injury, have better practicality and suitability.

Description

Lifting device for be used for cable pit

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a lifting device for a cable shaft.

Background

In the construction process of residential communities and municipal cable lines, more and more power equipment is generally arranged, wherein an important part is the arrangement of cable wells, the number of which is large and is close to roads and residences, and the positions of the cable wells are very obvious. When the cable construction is carried out, workers in the power industry need to go into the cable well to carry out paying-off operation, the workers on the right need to carry some corresponding equipment to go down underground, and the workers generally need to carry a ladder at any time or use the cable well lifting device to assist in going up and down the well when going up and down the well, the traditional lifting device for the cable well is three-legged, needs to be erected and fixed before use, and needs to be detached after use is completed, so that the convenience and flexibility of use are poor, and meanwhile, the lifting is controlled in a single lifting rope or double lifting ropes mode, so that certain defects exist in stability.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide a lifting device for a cable shaft, which is convenient to retract and adjust the height, so that the device is suitable for cable shafts of different sizes, simultaneously, the convenience and the flexibility of the device in use are effectively improved, and effective buffering can be provided for equipment or personnel on an upper plate when the bottoming phenomenon occurs, the equipment is prevented from being damaged or the personnel are prevented from being damaged, and the lifting device has the effects of good practicability and applicability.

The technical aim of the utility model is realized by the following technical scheme: a lifting device for a cable shaft comprises a U-shaped plate, four supporting rods, four moving wheels, a supporting and adjusting assembly, a lifting mechanism, an upper plate and a buffer assembly;

the U-shaped plate is rotatably provided with two supporting shafts, the supporting and adjusting assembly and the lifting mechanism are arranged in the U-shaped plate, the supporting and adjusting assembly is connected with the two supporting shafts, the upper plate is arranged on the lifting mechanism, the buffer assembly is arranged on the upper plate, four supporting rods are respectively and radially fixedly arranged on the corresponding supporting shafts, and four moving wheels are respectively and rotatably arranged on the corresponding supporting rods.

The utility model is further provided with: the support adjusting assembly comprises an adjusting motor, a worm and two worm gears, the worm gears are fixedly sleeved on the two supporting shafts, the same supporting plate is fixedly installed on the inner walls of the front side and the rear side of the U-shaped plate, the adjusting motor is fixedly installed on the bottom side of the supporting plate, the worm is fixedly connected to the output shaft of the adjusting motor, the top end of the worm is rotatably connected with the inner wall of the top side of the U-shaped plate, and the worm is meshed with the worm gears.

Through adopting above-mentioned technical scheme, can control two support axial opposite direction synchronous deflection to can adjust the angle of opening of branch, and then can adjust the height of U-shaped board, the cable well that is applicable to not equidimension that can be better uses.

The utility model is further provided with: the lifting mechanism comprises two mandrels, four winding and unwinding rollers, four lifting ropes, a brake motor, a toothed belt and two toothed belt wheels, wherein two side plates are fixedly installed on the inner walls of the front side and the rear side of the U-shaped plate, two mandrels are rotatably installed on the two side plates, two winding and unwinding rollers are fixedly sleeved on the two mandrels, the brake motor is fixedly installed on one side plate, an output shaft of the brake motor is fixedly connected with one mandrel in the axial direction, the lifting ropes are fixedly arranged on the four winding and unwinding rollers and wound on the four winding and unwinding rollers, the bottom ends of the lifting ropes are fixedly installed on the upper plate, the toothed belt wheels are fixedly sleeved on the two mandrels, and the same toothed belt is connected to the two toothed belt wheels in a transmission mode.

Through adopting above-mentioned technical scheme, can cooperate the lifting rope to control the upper plate and go up and down when receiving and releasing the roller to rotate, can make two dabbers keep rotating in step simultaneously to can make the receive and release speed of four receiving and releasing the roller keep unanimous.

The utility model is further provided with: the buffer assembly comprises a lower plate and a plurality of damping springs, wherein the damping springs are fixedly arranged at the bottom side of the upper plate, and the same lower plate is fixedly arranged at the bottom ends of the damping springs.

Through adopting above-mentioned technical scheme, can realize the shock attenuation when the bottoming condition appears in the upper plate downward movement to can provide the protection to the equipment of placing on the upper plate or the personnel of standing on the upper plate.

The utility model is further provided with: the top side of lower plate fixed mounting has a plurality of guide bars, and a plurality of guide bars all with upper plate sliding connection.

Through adopting above-mentioned technical scheme, can provide the direction to the hypoplastron, effectual stability that has improved.

The utility model is further provided with: and a plurality of limiting holes are formed in the moving wheel.

Through adopting above-mentioned technical scheme, be convenient for carry out spacingly to the movable wheel to can make it keep better stability in the in-process of using.

The beneficial effects of the utility model are as follows: the supporting and adjusting components can control the supporting rods on two sides to deflect synchronously in opposite directions, so that the height of the U-shaped plate can be adjusted, the device can be applied to cable wells of different sizes, the device can be conveniently moved under the cooperation of the moving wheels, the use convenience of the device can be effectively improved, the lifting mechanism can control the upper plate to stably lift, the equipment and staff can be conveniently operated in a lifting mode, the buffer component can provide effective buffering for equipment or staff on the upper plate when the bottoming phenomenon occurs, damage to the equipment or injury to the staff is avoided, and the device has good stability and flexibility compared with the existing tripod type lifting device and is convenient to rapidly retract.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a lifting device for a cable shaft according to the present utility model;

FIG. 2 is a schematic view of a lifting device for a cable pit with a partially cut-away structure according to the present utility model;

fig. 3 is a schematic structural view of a portion a of a lifting device for a cable shaft according to the present utility model.

In the figure, a U-shaped plate is shown as a 1; 11. a support plate; 12. a side plate; 2. a support shaft; 21. a worm wheel; 22. adjusting a motor; 23. a worm; 3. a support rod; 31. a moving wheel; 4. a mandrel; 41. a winding and unwinding roller; 42. a hanging rope; 43. a brake motor; 44. toothed belt wheel; 45. toothed belts; 5. an upper plate; 51. a lower plate; 52. a guide rod; 53. and a damping spring.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1-3, a lifting device for a cable pit comprises a U-shaped plate 1, four supporting rods 3, four movable wheels 31 and an upper plate 5, wherein two supporting shafts 2 are rotatably arranged on the U-shaped plate 1, the four supporting rods 3 are respectively and radially fixedly arranged on the corresponding supporting shafts 2, the four movable wheels 31 are respectively and rotatably arranged on the corresponding supporting rods 3, worm gears 21 are fixedly sleeved on the two supporting shafts 2, the same supporting plate 11 is fixedly arranged on the inner walls of the front side and the rear side of the U-shaped plate 1, an adjusting motor 22 is fixedly arranged on the bottom side of the supporting plate 11, a worm 23 is fixedly connected to an output shaft of the adjusting motor 22, the top end of the worm 23 is rotatably connected with the inner wall of the top side of the U-shaped plate 1, the worm 23 is meshed with the worm gears 21, the two supporting shafts 2 can be controlled to synchronously deflect in opposite directions, so that the opening angle of the supporting rods 3 can be adjusted, the height of the U-shaped plate 1 can be adjusted, the U-shaped plate is better suitable for cable wells with different sizes, two side plates 12 are fixedly arranged on the inner walls of the front side and the rear side of the U-shaped plate 1, two mandrels 4 are rotatably arranged on the two side plates 12, two winding and unwinding rollers 41 are fixedly sleeved on the two mandrels 4, a brake motor 43 is fixedly arranged on one side plate 12, an output shaft of the brake motor 43 is fixedly connected with one mandrel 4 in the axial direction, lifting ropes 42 are fixedly and wound on the four winding and unwinding rollers 41, the bottom ends of the four lifting ropes 42 are fixedly arranged on the upper plate 5, the lifting of the upper plate 5 is controlled by matching with the lifting ropes 42 when the winding and unwinding rollers 41 rotate, toothed pulleys 44 are fixedly sleeved on the two mandrels 4, the same toothed belt 45 is in transmission connection with the two toothed pulleys 44, and the two mandrels 4 can keep synchronous rotation, thereby can make the winding and unwinding speed of four winding and unwinding rollers 41 keep unanimous, and then can guarantee that upper plate 5 goes up and down steadily, the downside fixed mounting of upper plate 5 has a plurality of damping springs 53, and the bottom fixed mounting of a plurality of damping springs 53 has same hypoplastron 51, can realize the shock attenuation when upper plate 5 moves down and appears touching the bottom condition to can provide the protection to the equipment of placing on upper plate 5 or the personnel of standing on upper plate 5.

Specifically, a plurality of guide rods 52 are fixedly arranged on the top side of the lower plate 51, the guide rods 52 are slidably connected with the upper plate 5, the lower plate 51 can be guided, a plurality of limiting holes are formed in the movable wheel 31, the movable wheel 31 is limited through an external limiting screw rod, and accordingly good stability can be maintained in the use process after adjustment is completed.

Working principle: the device is firstly powered on and moves to a position required to be used under the cooperation of the movable wheel 31, the struts 3 on two sides can be controlled to deflect in the directions away from each other through the cooperation of the adjusting motor 22, the worm wheel 21 and the worm 23, so that the struts 3 on two sides can be unfolded, the device is further suitable for lifting and using cable shafts with different sizes, the movable wheel 31 is limited by using an external limiting screw rod to cooperate with corresponding limiting holes, the four winding and unwinding rollers 41 are controlled to synchronously rotate under the cooperation of the braking motor 43, the mandrel 4, the toothed belt wheel 44 and the toothed belt 45, the upper plate 5 can be kept stably to descend under the action of the four lifting ropes 42, required equipment is placed on the upper plate 5 and fixed, or an operator can stand on the upper plate 5 and then control the upper plate 5 to descend to the required height in the cable shaft through the braking motor 43, and when a bottom phenomenon occurs, the vibration reduction and buffering can be provided under the action of the plurality of vibration reduction springs 53.

The above description is made in detail of a lifting device for a cable shaft. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The lifting device for the cable shaft is characterized by comprising a U-shaped plate (1), four supporting rods (3), four moving wheels (31), a supporting and adjusting assembly, a lifting mechanism, an upper plate (5) and a buffer assembly;

the U-shaped plate (1) is rotationally provided with two supporting shafts (2), the supporting and adjusting assembly and the lifting mechanism are arranged in the U-shaped plate (1), the supporting and adjusting assembly is connected with the two supporting shafts (2), the upper plate (5) is arranged on the lifting mechanism, the buffer assembly is arranged on the upper plate (5), the four supporting rods (3) are respectively and fixedly arranged on the corresponding supporting shafts (2) in the radial direction, and the four moving wheels (31) are respectively and rotationally arranged on the corresponding supporting rods (3).

2. A lifting device for a cable shaft according to claim 1, wherein: the support adjusting assembly comprises an adjusting motor (22), a worm (23) and two worm gears (21), wherein the worm gears (21) are fixedly sleeved on the two supporting shafts (2), one supporting plate (11) is fixedly installed on the inner walls of the front side and the rear side of the U-shaped plate (1), the adjusting motor (22) is fixedly installed on the bottom side of the supporting plate (11), the worm (23) is fixedly connected to an output shaft of the adjusting motor (22), the top end of the worm (23) is rotatably connected with the inner wall of the top side of the U-shaped plate (1), and the worm (23) is meshed with the worm gears (21).

3. A lifting device for a cable shaft according to claim 1, wherein: elevating system includes two dabbers (4), four receive and release roller (41), four lifting rope (42) and brake motor (43), fixedly mounted has two curb plates (12) on the front and back both sides inner wall of U shaped board (1), rotate on two curb plates (12) and install two dabbers (4), all fixed cover is equipped with two receive and release roller (41) on two dabbers (4), fixed mounting has brake motor (43) on one of them curb plate (12), the output shaft and one of them dabber (4) axial fixed connection of brake motor (43), all fix on four receive and release roller (41) and wind and be equipped with lifting rope (42), the equal fixed mounting in bottom of four lifting rope (42) is on upper plate (5).

4. A lifting device for a cable shaft according to claim 3, wherein: the lifting mechanism further comprises a toothed belt (45) and two toothed belt wheels (44), the toothed belt wheels (44) are fixedly sleeved on the two mandrels (4), and the two toothed belt wheels (44) are connected with the same toothed belt (45) in a transmission mode.

5. A lifting device for a cable shaft according to claim 1, wherein: the buffer assembly comprises a lower plate (51) and a plurality of damping springs (53), wherein the damping springs (53) are fixedly arranged on the bottom side of the upper plate (5), and the same lower plate (51) is fixedly arranged at the bottom ends of the damping springs (53).

6. A lifting device for a cable shaft as recited in claim 5, wherein: a plurality of guide rods (52) are fixedly arranged on the top side of the lower plate (51), and the guide rods (52) are in sliding connection with the upper plate (5).

7. A lifting device for a cable shaft according to claim 1, wherein: a plurality of limiting holes are formed in the movable wheel (31).