CN216662406U

CN216662406U - Safety protection device for crane maintenance

Info

Publication number: CN216662406U
Application number: CN202122512301.0U
Authority: CN
Inventors: 黄锦丽; 肖世沿
Original assignee: Quanzhou Peiwang Machinery Co ltd
Current assignee: Quanzhou Peiwang Machinery Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-06-03
Anticipated expiration: 2031-10-19

Abstract

The utility model belongs to the field of crane maintenance, and discloses a safety protection device for crane maintenance, which comprises a vehicle body, wherein four corners of the bottom of the vehicle body are fixedly connected with universal wheels, the top of the vehicle body is provided with a hydraulic scissor type lifter, and the top of the hydraulic scissor type lifter is fixedly connected with a protective guard. This scheme drives whole device through automobile body and universal wheel and removes, then the extension through electric telescopic handle drives the backup pad decline, make whole device stabilize and place, promote the security, and adjust according to the maintenance height of hoist through hydraulic pressure fork formula lift, the operator just can arrive the maintenance position smoothly on the platform of standing of hydraulic pressure fork formula lift as long as treat, and the setting of rail guard can the protection personnel's safety, and during the maintenance staff place maintenance tool in the instrument inslot and carry out altitude mixture control through altitude mixture control subassembly, thereby the in-process convenience of taking at the maintenance.

Description

Safety protection device for crane maintenance

Technical Field

The utility model relates to the field of crane maintenance, in particular to a safety protection device for crane maintenance.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The general crane is generally used in large machinery plants or on the site, and is damaged after long-time use and environmental influence, while the crane has overlarge volume and overhigh cost, generally has faults and needs to be maintained by maintenance personnel, and the maintenance is inconvenient for the mechanical equipment with huge volume.

Traditional maintenance mode climbs through artifical ladder and goes to its maintenance, and not only the maintenance is got up more trouble like this, and is more dangerous moreover, simply lets maintainer climb maintenance on the hoist, does not have safeguard measure, hardly guarantees personnel's personal safety, bare-handed climbing on the hoist, but also need carry a plurality of repair tools, and maintainer is hardly stable operates on the hoist that does not have the guardrail, efficiency greatly reduced, the operation is complicated.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the present invention aims to provide a safety protection device for crane maintenance.

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a safety device for hoist maintenance, includes the automobile body, the equal fixedly connected with universal wheel in four corners of bottom of the car body, the top of automobile body is provided with hydraulic pressure fork formula lift, the top fixedly connected with rail guard of hydraulic pressure fork formula lift, the top of hydraulic pressure fork formula lift just is located and is provided with height adjusting part in the rail guard, height adjusting part's top is connected with the instrument groove, the bottom of automobile body just is located adjacent two equal fixedly connected with electric telescopic handle, every between the universal wheel electric telescopic handle's the equal fixedly connected with backup pad in bottom.

As a further description of the above technical solution: the bottom of the supporting plate is fixedly connected with a plurality of reinforcing teeth.

As a further description of the above technical solution: the height adjusting component comprises an outer hollow rod and an inner hollow rod, the inner hollow rod is inserted and arranged in the outer hollow rod, the bottom of the outer hollow rod is fixedly connected with the top of the hydraulic scissor lift, the top of the inner hollow rod is provided with a support rod in an inserting way, the top end of the supporting rod is fixedly connected with the bottom of the tool groove, the bottoms of the supporting rod and the inner hollow rod are both fixedly connected with a lifting block, the left sides of the outer hollow rod and the inner hollow rod are both provided with movable openings, the two movable openings are mutually corresponding, the left sides of outer hollow rod and interior hollow rod inner wall all set up the slot that the equidistance was arranged, two all alternate on the elevator and be provided with T type inserted bar, two T type inserted bar pegs graft with the slot on outer hollow rod and the interior hollow rod inner wall respectively, two T type inserted bar all extends to the outside of outer hollow rod.

As a further description of the above technical solution: the bottom of two the elevator piece all fixedly connected with buffer spring, two buffer spring's bottom respectively with outer hollow rod and interior diapire fixed connection of interior hollow rod.

As a further description of the above technical solution: two the elevator block is square piece, two the lateral surface of elevator block is respectively with the smooth contact of the inside wall of outer hollow rod and interior hollow rod.

Compared with the prior art, the utility model has the advantages that:

this scheme drives whole device through automobile body and universal wheel and removes, then the extension through electric telescopic handle drives the backup pad decline, make whole device stabilize and place, promote the security, and adjust according to the maintenance height of hoist through hydraulic pressure fork formula lift, the operator just can arrive the maintenance position smoothly on the platform of standing of hydraulic pressure fork formula lift as long as treat, and the setting of rail guard can the protection personnel's safety, and during the maintenance staff place maintenance tool in the instrument inslot and carry out altitude mixture control through altitude mixture control subassembly, thereby the in-process convenience of taking at the maintenance.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the height adjustment assembly of FIG. 1 in accordance with the present invention;

fig. 3 is a partial front sectional view of fig. 2 of the present invention.

The reference numbers in the figures illustrate:

1. a vehicle body; 2. a universal wheel; 3. a hydraulic scissor lift; 4. protecting the fence; 5. a height adjustment assembly; 51. an outer hollow rod; 52. an inner hollow rod; 53. a support bar; 54. a lifting block; 55. a movable opening; 56. a slot; 57. a T-shaped inserted link; 58. a buffer spring; 6. a tool slot; 7. an electric telescopic rod; 8. a support plate; 9. strengthening the teeth.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;

referring to fig. 1 to 3, a safety protection device for crane maintenance includes a vehicle body 1, universal wheels 2 are fixedly connected to four corners of the bottom of the vehicle body 1, a hydraulic scissor lift 3 is disposed on the top of the vehicle body 1, a protective guard 4 is fixedly connected to the top of the hydraulic scissor lift 3, a height adjusting assembly 5 is disposed on the top of the hydraulic scissor lift 3 and in the protective guard 4, a tool slot 6 is connected to the top of the height adjusting assembly 5, electric telescopic rods 7 are fixedly connected to the bottom of the vehicle body 1 and between two adjacent universal wheels 2, a support plate 8 is fixedly connected to the bottom of each electric telescopic rod 7, the vehicle body 1 and the universal wheels 2 drive the whole device to move, the support plates 8 are driven to descend by the extension of the electric telescopic rods 7, the whole device is stably disposed, the safety is improved, and the hydraulic scissor lift 3 is adjusted according to the maintenance height of the crane, an operator can smoothly reach a maintenance position only by waiting on a standing platform of the hydraulic scissor lift 3, the arrangement of the guard rail 4 can protect the safety of personnel, and the personnel places maintenance tools in the tool groove 6 and performs height adjustment through the height adjusting assembly 5 during maintenance, so that the maintenance is convenient to take.

Wherein, the bottom of the supporting plate 8 is fixedly connected with a plurality of reinforcing teeth 9, which increases the holding performance of the supporting plate 8 to the ground.

Specifically, the height adjusting assembly 5 comprises an outer hollow rod 51 and an inner hollow rod 52, the inner hollow rod 52 is inserted into the outer hollow rod 51, the bottom of the outer hollow rod 51 is fixedly connected with the top of the hydraulic scissor lift 3, the top of the inner hollow rod 52 is inserted with a support rod 53, the top end of the support rod 53 is fixedly connected with the bottom of the tool groove 6, the bottoms of the support rod 53 and the inner hollow rod 52 are fixedly connected with lifting blocks 54, the left sides of the outer hollow rod 51 and the inner hollow rod 52 are respectively provided with a movable opening 55, the two movable openings 55 correspond to each other, the left sides of the inner walls of the outer hollow rod 51 and the inner hollow rod 52 are respectively provided with slots 56 which are arranged at equal intervals, the two lifting blocks 54 are respectively inserted with T-shaped inserting rods 57, the two T-shaped inserting rods 57 are respectively inserted into the slots 56 on the inner walls of the outer hollow rod 51 and the inner hollow rod 52, and the two T-shaped inserting rods 57 extend to the outer side of the outer hollow rod 51, one or two T-shaped inserting rods 57 are taken down from the inserting grooves 56, then the inner hollow rod 52 or the supporting rod 53 is upwards pulled according to requirements, the whole height of the tool groove 6 can be adjusted, after the position of the tool groove 6 is determined, the T-shaped inserting rods 57 are inserted into the inserting grooves 56 again, the positioning can be achieved, and the height adjusting mode is very simple.

Wherein, the bottom of two elevator blocks 54 all fixedly connected with buffer spring 58, the bottom of two buffer spring 58 respectively with outer hollow rod 51 and the interior diapire fixed connection of interior hollow rod 52, buffer spring 58 plays the effect of buffering.

In addition, the two lifting blocks 54 are square blocks, and the outer side surfaces of the two lifting blocks 54 are respectively in smooth contact with the inner side walls of the outer hollow rod 51 and the inner hollow rod 52, so that the inner hollow rod 52 or the supporting rod 53 can be prevented from rotating.

The working principle is as follows: when the device is used, the whole device is driven to move by the vehicle body 1 and the universal wheels 2, then the supporting plate 8 is driven to descend by the extension of the electric telescopic rod 7, and the holding performance of the supporting plate 8 on the ground is improved by matching with the reinforcing teeth 9, so that the whole device is stably placed, and the safety is improved;

then an operator stands on a standing platform of the hydraulic scissor lift 3, a maintenance tool is placed in the tool groove 6, according to the height of the operator, one or two T-shaped inserting rods 57 are taken down from the inserting grooves 56, then the inner hollow rod 52 or the supporting rod 53 is upwards pulled according to the requirement, the adjustment of the whole height of the tool groove 6 can be achieved, after the position of the tool groove 6 is determined, the T-shaped inserting rods 57 are inserted into the inserting grooves 56 again, the positioning can be achieved, the tool groove can be conveniently taken in the maintenance process, finally the hydraulic scissor lift 3 is adjusted according to the maintenance height of the crane, the maintenance position can be smoothly reached, and the safety of the operator can be protected due to the arrangement of the protective guard 4.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A safety device for crane maintenance, comprising a trolley body (1), characterized in that: the all fixedly connected with universal wheel (2) in four corners of automobile body (1) bottom, the top of automobile body (1) is provided with hydraulic pressure fork formula lift (3), the top fixedly connected with rail guard (4) of hydraulic pressure fork formula lift (3), the top of hydraulic pressure fork formula lift (3) just is located rail guard (4) and is provided with altitude mixture control subassembly (5), the top of altitude mixture control subassembly (5) is connected with instrument groove (6), the bottom of automobile body (1) just is located adjacent two equal fixedly connected with electric telescopic handle (7), every between universal wheel (2) the equal fixedly connected with backup pad (8) in bottom of electric telescopic handle (7).

2. A safety shield apparatus for crane maintenance as claimed in claim 1, wherein: the bottom of the supporting plate (8) is fixedly connected with a plurality of reinforcing teeth (9).

3. A safety shield apparatus for crane maintenance as claimed in claim 1, wherein: the height adjusting assembly (5) comprises an outer hollow rod (51) and an inner hollow rod (52), the inner hollow rod (52) is arranged inside the outer hollow rod (51) in an inserting mode, the bottom of the outer hollow rod (51) is fixedly connected with the top of the hydraulic cross-shearing type lifter (3), the top of the inner hollow rod (52) is provided with a supporting rod (53) in an inserting mode, the top end of the supporting rod (53) is fixedly connected with the bottom of the tool groove (6), the bottoms of the supporting rod (53) and the inner hollow rod (52) are fixedly connected with lifting blocks (54), movable openings (55) are formed in the left sides of the outer hollow rod (51) and the inner hollow rod (52), the movable openings (55) correspond to each other, inserting grooves (56) which are arranged at equal intervals are formed in the left sides of the inner walls of the outer hollow rod (51) and the inner hollow rod (52), and T-shaped inserting rods (57) are arranged on the lifting blocks (54) in an inserting mode, two T type inserted bar (57) peg graft with slot (56) on outer hollow rod (51) and interior hollow rod (52) inner wall respectively, two T type inserted bar (57) all extend to the outside of outer hollow rod (51).

4. A safety shield for crane maintenance according to claim 3, wherein: the bottoms of the two lifting blocks (54) are fixedly connected with buffer springs (58), and the bottom ends of the two buffer springs (58) are fixedly connected with the inner bottom wall of the outer hollow rod (51) and the inner hollow rod (52) respectively.

5. A safety shield for crane maintenance according to claim 3, wherein: the two lifting blocks (54) are square blocks, and the outer side faces of the two lifting blocks (54) are respectively in smooth contact with the inner side walls of the outer hollow rod (51) and the inner hollow rod (52).