CN224046839U

CN224046839U - Safety device of electric crane

Info

Publication number: CN224046839U
Application number: CN202520977433.6U
Authority: CN
Inventors: 李海韬; 裴国强; 段海涛; 孙勇; 刘丁丁
Original assignee: Qingdao Senze Intelligent Equipment Co ltd
Current assignee: Qingdao Senze Intelligent Equipment Co ltd
Priority date: 2025-05-19
Filing date: 2025-05-19
Publication date: 2026-03-27
Anticipated expiration: 2035-05-19

Abstract

This utility model discloses a safety device for an electric crane, including two parallel mounting rods. A first connecting plate is fixedly connected to the upper end of each rod, and a second connecting plate is fixedly connected to the lower end of each rod. A lead screw is rotatably connected between the first and second connecting plates. The lower end of the lead screw extends directly below the second connecting plate and is fixedly connected to a turntable. A movable block is threaded onto the lead screw. A safety ruler is mounted on one side of the movable block via a horizontal adjustment mechanism. The horizontal adjustment mechanism is used to adjust the horizontal position of the safety ruler. This utility model allows for convenient adjustment of the safety ruler's height when it is far from the operator, thereby facilitating the adjustment of the distance between the safety ruler and the track without disassembling the entire device. This greatly simplifies the safety ruler's position adjustment process and solves the problems of cumbersome and inconvenient safety ruler position adjustment in existing technologies.

Description

Safety device of electric crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a safety device of an electric crane.

Background

The safety ruler of the crane is mainly used for the trolley, a limit switch is arranged on the main beam, and when the trolley runs to the limit position, the safety ruler can touch the limit switch, so that the whole trolley is powered off, and the safety effect is achieved.

For example, the prior publication number is CN206553097U, and specifically discloses an adjustable safety device of a crane, which comprises two mounting brackets and a safety ruler movably mounted on the two mounting brackets, wherein the two mounting brackets are arranged in parallel, each mounting bracket comprises a sliding rod and a mounting rod, the mounting rod is mounted on the sliding rod and is vertically arranged with the sliding rod, each mounting rod is provided with a sliding groove, and the safety ruler is movably mounted on the two sliding grooves through two left and right adjusting bolts. The adjustable safety device of the crane is convenient to use and can effectively reduce the use cost.

However, in the related art, the problem that the device needs to manually adjust all corresponding bolt structures when the horizontal position of the safety ruler or the distance between the safety ruler and the track is required to be adjusted, and the whole device needs to be detached for adjustment when the safety ruler is far away from a worker, so that the position adjustment process of the safety ruler is complicated and inconvenient.

Disclosure of utility model

The utility model provides a safety device of an electric crane, which aims to overcome the defects that the position adjustment process of a safety ruler in the prior art is complicated and inconvenient.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model relates to a safety device of an electric crane, which comprises two parallel mounting rods, wherein one sides of the two mounting rods are respectively and fixedly connected with a fixing clamp, the two mounting rods are respectively and fixedly connected to a track through the two fixing clamps, the upper ends of the two mounting rods are fixedly connected with a first connecting plate, the lower ends of the two mounting rods are fixedly connected with a second connecting plate, a screw rod is rotatably connected between the first connecting plate and the second connecting plate, the lower end of the screw rod extends to the position right below the second connecting plate and is fixedly connected with a turntable, a moving block is sleeved on the screw rod in a threaded manner, the two ends of the moving block are respectively and fixedly connected with a sliding sleeve, the two sliding sleeves are respectively and slidably sleeved on the two mounting rods, one side of the moving block is provided with a safety ruler through a horizontal adjusting mechanism, and the horizontal adjusting mechanism is used for adjusting the horizontal position of the safety ruler.

As a preferable technical scheme of the utility model, the second connecting plate is connected with a tightening bolt in a threaded manner, and the tightening bolt is used for tightening the turntable.

As a preferable technical scheme of the utility model, the horizontal adjusting mechanism comprises a threaded rod, the threaded rod is in threaded connection with the moving block, one end of the threaded rod is rotationally connected with a first clamp through a rotating assembly, the safety ruler is fixedly arranged in the first clamp, and the other end of the threaded rod is fixedly connected with a knob.

As a preferable technical scheme of the utility model, the rotating assembly comprises a round groove and a rotating block, wherein the round groove is fixedly connected to one side of the first clamp, and the rotating block is fixedly connected to one end of the threaded rod.

As a preferable technical scheme of the utility model, the rotating block is of a circular structure, and is rotatably connected in the circular groove.

As a preferable technical scheme of the utility model, the limiting assembly for limiting the safety ruler is arranged on the moving block and comprises a limiting rod, the limiting rod is arranged on the moving block in a sliding manner, one end of the limiting rod is fixedly connected with a second clamp, and the safety ruler is fixedly arranged in the second clamp.

As a preferable technical scheme of the utility model, the other end of the limiting rod is fixedly connected with a limiting block, and the limiting block is of a circular structure.

The beneficial effects of the utility model are as follows:

1. This kind of electric crane safety device, when needs adjust the safety chi for the distance between the track, the staff can drive the lead screw through manual rotation carousel, the lead screw can drive the movable block and rise or descend in the rotation, the movable block can drive the safety chi and rise or descend, the corresponding change can take place for the distance between the track to the safety chi, when adjusting the safety chi to required high position, screw up the tightening bolt again, can fasten the carousel, the stability of safety chi position has been improved. Therefore, when the safety ruler is far away from a worker, the safety ruler can be conveniently lifted and adjusted, the distance between the safety ruler and the track can be conveniently adjusted, the whole device is not required to be detached for adjustment, the position adjustment process of the safety ruler is very convenient, and the defects that the position adjustment process of the safety ruler is complex and inconvenient in the prior art are overcome.

2. This kind of electric crane safety device, when the horizontal position of safety chi needs to be adjusted, the staff rotates the knob through manual, the knob can drive the threaded rod and rotate, the threaded rod can drive first anchor clamps and carry out horizontal migration in the rotation and under the rotation effect of circular slot and rotatory piece, and under the spacing effect of gag lever post, can prevent that first anchor clamps from taking place to rotate at horizontal migration in-process, thereby can make first anchor clamps and second anchor clamps carry out horizontal rectilinear motion, first anchor clamps and second anchor clamps can drive the safety chi and carry out horizontal rectilinear motion, the horizontal position of safety chi will take place corresponding change. Therefore, the horizontal position of the safety ruler can be conveniently adjusted through the arrangement of the horizontal adjusting mechanism and the limiting assembly.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of an assembled structure of a safety device of an electric crane according to the present utility model;

FIG. 2 is a schematic view of the whole structure of a safety device of an electric crane according to the present utility model;

FIG. 3 is a schematic view of the structure of a horizontal adjustment mechanism of the safety device of the electric crane of the present utility model;

FIG. 4 is a schematic diagram of the horizontal adjustment mechanism of the safety device of the electric crane after disassembly;

fig. 5 is a schematic structural view of a limiting assembly of a safety device of an electric crane according to the present utility model.

The device comprises a rail, a mounting rod, a fixing clamp, a first connecting plate, a second connecting plate, a screw rod, a moving block, a horizontal adjusting mechanism, a screw rod, a knob, a round groove, a rotating block, a first clamp, a limiting assembly, a limiting rod, a limiting block, a second clamp, a sliding sleeve, a rotating disc, a regulating bolt and a safety ruler, wherein the fixing clamp comprises the rail, the mounting rod, the fixing clamp, the first connecting plate, the second connecting plate, the screw rod, the moving block, the horizontal adjusting mechanism, the screw rod, the rotating block, the knob, the round groove, the rotating block, the first clamp, the limiting assembly, the limiting rod, the limiting block, the rotating block, the second clamp, the clamping rod, the sliding sleeve, the rotating disc, the regulating bolt and the safety ruler.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

The embodiment of the utility model is as shown in figures 1, 2, 3, 4 and 5, the safety device of the electric crane comprises two parallel mounting rods 2, one sides of the two mounting rods 2 are respectively and fixedly connected with a fixed clamp 3, the two mounting rods 2 are respectively and fixedly connected to a track 1 through the two fixed clamps 3, the upper ends of the two mounting rods 2 are fixedly connected with a first connecting plate 4, the lower ends of the two mounting rods 2 are fixedly connected with a second connecting plate 5, a screw rod 6 is rotatably connected between the first connecting plate 4 and the second connecting plate 5, the lower end of the screw rod 6 extends to the right lower side of the second connecting plate 5 and is fixedly connected with a turntable 11, a moving block 7 is sleeved on the screw rod 6 in a threaded manner, two ends of the moving block 7 are respectively and fixedly connected with sliding sleeves 10, the two sliding sleeves 10 are respectively and fixedly sleeved on the two mounting rods 2, one sides of the moving block 7 are respectively provided with a safety ruler 13 through a horizontal adjusting mechanism 8, and the horizontal adjusting mechanism 8 is used for adjusting the horizontal position of the safety ruler 13.

The second connecting plate 5 is connected with a tightening bolt 12 for tightening the turntable 11 in a threaded manner, and the turntable 11 can be conveniently tightened through the setting of the tightening bolt 12, so that the stability of the position of the safety ruler 13 after the adjustment is finished can be improved.

When the safety ruler 13 is used, when the distance between the safety ruler 13 and the track 1 needs to be adjusted, a worker manually rotates the rotary table 11, the rotary table 11 can drive the screw rod 6 to rotate, the screw rod 6 can drive the moving block 7 to ascend or descend in the rotation, the moving block 7 can drive the safety ruler 13 to ascend or descend, the distance between the safety ruler 13 and the track 1 can be correspondingly changed, when the safety ruler 13 is adjusted to a required height position, the tightening bolt 12 is tightened again, the rotary table 11 can be fastened, and the stability of the position where the safety ruler 13 is located is improved. Therefore, when the safety ruler 13 is far away from the staff, the safety ruler 13 can be conveniently lifted and adjusted, the distance between the safety ruler 13 and the track 1 can be conveniently adjusted, the whole device is not required to be detached for adjustment, the position adjustment process of the safety ruler 13 is quite convenient, and the defects that the position adjustment process of the safety ruler in the prior art is complex and inconvenient are overcome.

Wherein, horizontal adjustment mechanism 8 includes threaded rod 81, and threaded rod 81 threaded connection is on movable block 7, and threaded rod 81 one end is connected with first anchor clamps 85 through rotating the subassembly rotation, and safety ruler 13 fixed setting is in first anchor clamps 85, and threaded rod 81 other end fixedly connected with knob 82.

The rotating assembly comprises a circular groove 83 and a rotating block 84, wherein the circular groove 83 is fixedly connected to one side of the first clamp 85, the rotating block 84 is fixedly connected to one end of the threaded rod 81, the rotating block 84 is of a circular structure, and the rotating block 84 is rotatably connected to the circular groove 83.

Be provided with the spacing subassembly 9 that is used for carrying out spacing to safety chi 13 on the movable block 7, spacing subassembly 9 includes gag lever post 91, and gag lever post 91 slides and sets up on the movable block 7, and gag lever post 91 one end fixedly connected with second anchor clamps 93, and safety chi 13 fixed setting is in second anchor clamps 93.

The stop block 92 is fixedly connected with the other end of the stop lever 91, and the stop block 92 is of a circular structure, and the stop lever 91 can be limited through the arrangement of the stop block 92, so that the stop lever 91 is prevented from falling off from the moving block 7.

When the horizontal position of the safety ruler 13 needs to be adjusted, a worker manually rotates the knob 82, the knob 82 drives the threaded rod 81 to rotate, the threaded rod 81 drives the first clamp 85 to horizontally move in rotation under the rotation action of the circular groove 83 and the rotating block 84, and the first clamp 85 can be prevented from rotating in the horizontal movement process under the limiting action of the limiting rod 91, so that the first clamp 85 and the second clamp 93 can horizontally move in a straight line, the first clamp 85 and the second clamp 93 can drive the safety ruler 13 to horizontally move in a straight line, and the horizontal position of the safety ruler 13 can be correspondingly changed. Therefore, by the arrangement of the horizontal adjustment mechanism 8 and the limiting assembly 9, the horizontal position of the safety ruler 13 can be adjusted conveniently.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an electric crane safety device, includes two parallel arrangement's installation pole (2), its characterized in that, two installation pole (2) one side is fixedly connected with fixation clamp (3) respectively, two install pole (2) are respectively through two fixation clamp (3) fixed connection is on track (1), two install pole (2) upper end fixedly connected with first connecting plate (4), two install pole (2) lower extreme fixedly connected with second connecting plate (5), first connecting plate (4) with rotate between second connecting plate (5) and be connected with lead screw (6), lead screw (6) lower extreme extends to under second connecting plate (5) and fixedly connected with carousel (11), threaded sleeve has moved movable block (7) on lead screw (6), move movable block (7) both ends are fixedly connected with sliding sleeve (10) respectively, and two sliding sleeve establish on installation pole (2), move movable block (7) one side and be provided with safety adjustment mechanism (13) through level adjustment mechanism (8), level adjustment mechanism (13) are used for level.

2. The safety device of an electric crane according to claim 1, characterized in that the second connecting plate (5) is screwed with a tightening bolt (12) for tightening the turntable (11).

3. The electric crane safety device according to claim 1, wherein the horizontal adjusting mechanism (8) comprises a threaded rod (81), the threaded rod (81) is in threaded connection with the moving block (7), one end of the threaded rod (81) is rotationally connected with a first clamp (85) through a rotating assembly, the safety ruler (13) is fixedly arranged in the first clamp (85), and the other end of the threaded rod (81) is fixedly connected with a knob (82).

4. A safety device for an electric crane according to claim 3, wherein the rotating assembly comprises a circular groove (83) and a rotating block (84), the circular groove (83) is fixedly connected to one side of the first clamp (85), and the rotating block (84) is fixedly connected to one end of the threaded rod (81).

5. The safety device of an electric crane according to claim 4, characterized in that the rotating block (84) has a circular structure, and the rotating block (84) is rotatably connected in the circular groove (83).

6. An electric crane safety device according to claim 3, characterized in that the moving block (7) is provided with a limiting component (9) for limiting the safety ruler (13), the limiting component (9) comprises a limiting rod (91), the limiting rod (91) is slidably arranged on the moving block (7), one end of the limiting rod (91) is fixedly connected with a second clamp (93), and the safety ruler (13) is fixedly arranged in the second clamp (93).

7. The safety device of an electric crane according to claim 6, wherein a limiting block (92) is fixedly connected to the other end of the limiting rod (91), and the limiting block (92) has a circular structure.