CN216997354U

CN216997354U - Protection device of electronic scale for crane

Info

Publication number: CN216997354U
Application number: CN202221492801.0U
Authority: CN
Inventors: 焦勇涛; 秦江朝; 李立强; 沈蕊涛
Original assignee: HENAN JUREN CRANE GROUP CO Ltd
Current assignee: HENAN JUREN CRANE GROUP CO Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-07-19
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to a protective device of an electronic scale for a crane, which comprises the electronic scale which is vertically distributed, two mounting plates are arranged on two sides of the electronic scale, a first pin shaft is arranged between the bottoms of the two mounting plates and the bottom of the electronic scale, the first pin shaft sequentially penetrates through the mounting plates and the electronic scale, a first connecting plate is arranged between each mounting plate and the electronic scale, a second pin shaft is arranged between the bottoms of the two first connecting plates and the top of the electronic scale, the second pin shaft sequentially penetrates through the first connecting plates and the electronic scale, a third pin shaft is arranged between the tops of the two first connecting plates, a heavy lantern ring is sleeved on the third pin shaft between the two first connecting plates, a second connecting plate is arranged between each first connecting plate and the mounting plates, the top of each second connecting plate is respectively sleeved on the second pin shaft, and the bottom of each second connecting plate is respectively sleeved on the first pin shaft, when the electronic scale is suddenly broken, the utility model can prevent the hanging beam from inclining downwards, thereby reducing the potential safety hazard.

Description

Protection device of electronic scale for crane

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a protection device of an electronic scale for a crane.

Background

The electronic scale for the crane is a pressure sensor for the crane, at present, when in use, the electronic scale is generally vertically installed at two ends of a hanging beam which is horizontally distributed, as shown in fig. 7, a structural schematic diagram of the electronic scale installed on the hanging beam in the prior art is shown, specifically, the bottom of the electronic scale 4 is fixedly installed on the top surface of the hanging beam 12 through a first support structure 16, a second support structure 17 is arranged at the top of the electronic scale 4, a heavy lantern ring 8 is arranged in the second support structure 17, when in use, a steel wire rope body on the crane bypasses the heavy lantern ring 8, but by adopting the installation mode, when the electronic scale 4 located at one end of the hanging beam is suddenly broken, the hanging beam 12 can be inclined downwards, so that potential safety hazards exist, and therefore, defects and shortcomings exist in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protection device of an electronic scale for a crane, which solves the problem that when the electronic scale for the crane is suddenly broken in the installation mode of the electronic scale for the crane on a hanging beam, the hanging beam is inclined downwards, so that potential safety hazards exist.

In order to solve the problems, the utility model adopts the technical scheme that:

a protection device of an electronic scale for a crane comprises the electronic scale which is vertically distributed, two mounting plates which are vertically and oppositely distributed are arranged on two sides of the electronic scale, a first hinge pin which is horizontally distributed and detachable is arranged between the bottoms of the two mounting plates and the bottom of the electronic scale, the first hinge pin sequentially penetrates through the mounting plates and the electronic scale, a first connecting plate which is parallel to the mounting plates is arranged between each mounting plate and the electronic scale, the two first connecting plates are oppositely arranged, a second hinge pin which is parallel to the first hinge pin and detachable is arranged between the bottoms of the two first connecting plates and the top of the electronic scale, the second hinge pin sequentially penetrates through the first connecting plates and the electronic scale, a third hinge pin which is parallel to the second hinge pin and detachable is arranged between the tops of the two first connecting plates, the third hinge pin is positioned above the electronic scale, and a heavy lantern ring is sleeved on the third hinge pin between the two first connecting plates, second connecting plates which are parallel to the first connecting plates are arranged between each first connecting plate and the mounting plate, the two second connecting plates are arranged oppositely, the top of each second connecting plate is sleeved on the second pin shaft, and the bottom of each second connecting plate is sleeved on the first pin shaft.

Furthermore, the top of each second connecting plate is provided with a limiting through hole and sleeved on the second pin shaft through the limiting through hole, and the aperture of the limiting through hole is larger than the shaft diameter of the second pin shaft.

Furthermore, a first spacing ring is sleeved on a second pin shaft between each first connecting plate and the electronic scale.

Furthermore, a second spacing ring is sleeved on a third pin shaft between each first connecting plate and the heavy lantern ring.

Furthermore, a third spacer ring is sleeved on the first pin shaft between each second connecting plate and the mounting plate, and a third spacer ring is also sleeved on the first pin shaft between each second connecting plate and the electronic scale.

By adopting the technical scheme, the utility model has the beneficial effects that:

the utility model is also vertically arranged at two end parts of the hanging beam when in use, and is different from the prior art in that the used hanging beam is of a box body structure with a cavity, and mounting holes are oppositely arranged on a top plate and a bottom plate of the hanging beam, particularly, when in use, the top ends of two mounting plates are respectively and fixedly connected with the outer bottom surface of the hanging beam vertically, and the top part of an electronic scale is penetrated through the mounting hole arranged on the bottom plate of the hanging beam, at the moment, the top parts of a heavy lantern ring, a first connecting plate and a second connecting plate are positioned in the hanging beam, and the top plate of the hanging beam is provided with the mounting hole so as to lead a steel wire rope body on a crane to pass through the heavy lantern ring and lead the steel wire rope to penetrate out of the hanging beam, in addition, when the electronic scale is suddenly broken, the second connecting plate is arranged, thereby preventing the heavy lantern ring from falling out of the hanging beam after the electronic scale is broken, and further avoiding the hanging beam from tilting downwards, potential safety hazards are reduced; and secondly, the first pin shaft, the second pin shaft and the third pin shaft can be disassembled, so that the utility model is convenient to assemble.

Drawings

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

FIG. 2 is a schematic structural diagram of a first connecting plate according to the present invention;

FIG. 3 is a schematic structural view of a second connecting plate according to the present invention;

FIG. 4 is a schematic view of a first spacer ring according to the present invention;

FIG. 5 is a schematic view of a second spacer ring according to the present invention;

FIG. 6 is a schematic view of a third spacer ring according to the present invention;

fig. 7 is a schematic view showing a structure in which an electronic scale according to the prior art is mounted on a hanging beam.

Reference numerals: 1. a first pin shaft; 2. a second pin shaft; 3. a third pin shaft; 4. an electronic scale; 5. mounting a plate; 6. a first connecting plate; 7. a second connecting plate; 71. a limiting through hole; 8. a heavy duty collar; 9. a first spacer ring; 10. a second spacer ring; 11. a third spacer ring; 12. a hanging beam; 121. mounting holes; 13. a flat washer; 14. a cotter pin; 15. a reinforcing rib plate; 16. a first support structure; 17. a second support structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in figures 1 to 3, the utility model provides a protecting device of an electronic scale for a crane, which comprises the electronic scale 4 which is vertically distributed, wherein the electronic scale 4 is a pressure sensor in the prior art, two mounting plates 5 which are vertically distributed oppositely are arranged on two sides of the electronic scale 4, first pin shafts 1 which are horizontally distributed and can be disassembled are arranged between the bottoms of the two mounting plates 5 and the bottom of the electronic scale 4, the first pin shafts 1 sequentially penetrate through the mounting plates 5 and the electronic scale 4, a first connecting plate 6 which is parallel to the mounting plates 5 is arranged between each mounting plate 5 and the electronic scale 4, the two first connecting plates 6 are oppositely arranged, second pin shafts 2 which are parallel to the first pin shafts 1 and can be disassembled are arranged between the bottoms of the two first connecting plates 6 and the top of the electronic scale 4, the second pin shafts 2 sequentially penetrate through the first connecting plates 6 and the electronic scale 4, a third pin shaft 3 which is parallel to the second pin shafts 2 and can be disassembled is arranged between the tops of the two first connecting plates 6, specifically, the mode that third round pin axle 3, second round pin axle 2 and first round pin axle 1 detachable is as follows: a flat washer 13 is sleeved at the tail of the pin shaft, a through hole is formed in the pin shaft outside the flat washer 13, and a cotter 14 is arranged in the through hole; the third pin shaft 3 is positioned above the electronic scale 4, the third pin shaft 3 between the two first connecting plates 6 is sleeved with a heavy lantern ring 8, a second connecting plate 7 which is parallel to the first connecting plate 6 is arranged between each first connecting plate 6 and the mounting plate 5, the two second connecting plates 7 are oppositely arranged, the top of each second connecting plate 7 is respectively sleeved on the second pin shaft 2, and the bottom of each second connecting plate 7 is respectively sleeved on the first pin shaft 1, the utility model is also vertically arranged at the two end parts of the hanging beam 12 when in use, compared with the prior art, the hanging beam 12 is a box structure with a cavity, the top plate and the bottom plate of the hanging beam 12 are oppositely provided with mounting holes 121, concretely, when in use, the top ends of the two mounting plates 5 are respectively vertically and fixedly connected with the outer bottom surface of the hanging beam 12, and a reinforcing rib plate 15 is arranged between the outer side of the mounting plate 5 and the outer bottom surface of the hanging beam 12, the top of the electronic scale 4 penetrates through a mounting hole 121 formed in a bottom plate of the hanging beam 12, at the moment, the top of the heavy lantern ring 8, the top of the first connecting plate 6 and the top of the second connecting plate 7 are located in the hanging beam 12, a mounting hole 121 is formed in a top plate of the hanging beam 12 so that a steel wire rope body on a crane can pass through the hanging beam 12 after bypassing the heavy lantern ring 8, and in addition, when the electronic scale 4 is suddenly broken, the second connecting plate 7 is arranged, so that the heavy lantern ring 8 can be prevented from being separated from the hanging beam 12 after the electronic scale 4 is broken, the hanging beam 12 is prevented from inclining downwards, and potential safety hazards are reduced; secondly, the first pin shaft 1, the second pin shaft 2 and the third pin shaft 3 can be disassembled, so that the assembly of the utility model is convenient.

Furthermore, compared with the installation mode of the existing electronic scale on the hanging beam, because the electronic scale 4 is installed in the hanging beam 12 and the heavy lantern ring 8 is also positioned in the hanging beam 12 when the crane is used, the installation mode can enlarge the height range of the crane when the crane lifts heavy objects compared with the prior art.

Further, when the crane lifts a heavy object, the force acting on the electronic scale 4 can make the electronic scale 4 generate a certain deformation amount, and in order to ensure that the electronic scale 4 can be normally used, as shown in fig. 1 and 3, a limiting through hole 71 is formed at the top of each second connecting plate 7 and is sleeved on the second pin shaft 2 through the limiting through hole 71, the aperture of the limiting through hole 71 is larger than the shaft diameter of the second pin shaft 2, that is, a gap exists between the hole wall of the limiting through hole 71 and the outer wall of the second pin shaft 2, and the gap is larger than the deformation amount which can be generated by the electronic scale 4 itself.

Further, as shown in fig. 1 and 4, a first spacer ring 9 is sleeved on the second pin 2 between each first connection plate 6 and the electronic scale 4, and the positions of the electronic scale 4, the first connection plate 6 and the second connection plate 7 on the second pin 2 can be limited by arranging the first spacer ring 9.

Further, as shown in fig. 1 and 5, a second spacer ring 10 is sleeved on the third pin shaft 3 between each first connecting plate 6 and the heavy-duty lantern ring 8, and the positions of the heavy-duty lantern ring 8 and the first connecting plate 6 on the third pin shaft 3 can be limited by arranging the second spacer ring 10.

Further, as shown in fig. 1 and 6, a third spacer ring 11 is sleeved on the first pin 1 between each second connecting plate 7 and the mounting plate 5, and a third spacer ring 11 is also sleeved on the first pin 1 between each second connecting plate 7 and the electronic scale 4, so that the positions of the electronic scale 4 and the second connecting plate 7 on the first pin 1 can be limited by the third spacer ring 11.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be covered by the appended claims. The scope of the utility model is defined by the appended claims and equivalents.

Claims

1. The utility model provides a protection device of electronic scale for hoist, includes the electronic scale of vertical distribution, its characterized in that: two mounting plates which are vertically and oppositely distributed are arranged on two sides of the electronic scale, a horizontally distributed and detachable first pin shaft is arranged between the bottoms of the two mounting plates and the bottom of the electronic scale, the first pin shaft sequentially penetrates through the mounting plates and the electronic scale, a first connecting plate which is arranged in parallel with the mounting plates is arranged between each mounting plate and the electronic scale, the two first connecting plates are oppositely arranged, a second pin shaft which is parallel with the first pin shaft and is detachable is arranged between the bottoms of the two first connecting plates and the top of the electronic scale, the second pin shaft sequentially penetrates through the first connecting plates and the electronic scale, a third pin shaft which is parallel with the second pin shaft and is detachable is arranged between the tops of the two first connecting plates, the third pin shaft is positioned above the electronic scale, a heavy lantern ring is sleeved on the third pin shaft between the two first connecting plates, and a second connecting plate which is arranged in parallel with the first connecting plate is arranged between each first connecting plate and the mounting plate, the two second connecting plates are oppositely arranged, the top of each second connecting plate is sleeved on the second pin shaft, and the bottom of each second connecting plate is sleeved on the first pin shaft.

2. The protection device of the crane electronic scale according to claim 1, characterized in that: and the top of each second connecting plate is provided with a limiting through hole and sleeved on the second pin shaft through the limiting through hole, and the aperture of the limiting through hole is larger than the shaft diameter of the second pin shaft.

3. The protection device of the crane electronic scale according to claim 1, characterized in that: a first spacing ring is sleeved on a second pin shaft between each first connecting plate and the electronic scale.

4. A protector of an electronic scale for a crane according to claim 3, wherein: and a second spacing ring is sleeved on a third pin shaft between each first connecting plate and the heavy lantern ring.

5. A protector of an electronic scale for a crane according to claim 3, wherein: and a third spacing ring is sleeved on the first pin shaft between each second connecting plate and the mounting plate, and a third spacing ring is also sleeved on the first pin shaft between each second connecting plate and the electronic scale.