CN215558418U

CN215558418U - Crane grab bucket for pipeline

Info

Publication number: CN215558418U
Application number: CN202120563402.8U
Authority: CN
Inventors: 张慧芳
Original assignee: Tianjin Haorong Automation Engineering Co ltd
Current assignee: Tianjin Haorong Automation Engineering Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2022-01-18
Anticipated expiration: 2031-03-19

Abstract

The utility model provides a crane grab bucket for a pipeline, which relates to the technical field of grab buckets and comprises a connecting assembly and connecting rods, wherein seven grabbing tooth mechanisms are arranged at the bottom of the connecting assembly, the seven grabbing tooth mechanisms are divided into two groups, every two three grabbing tooth mechanisms in one group are fixedly connected through two connecting rods, every two four grabbing tooth mechanisms in the other group are fixedly connected through two connecting rods, the connecting rods are ten in number, and electric telescopic rods are rotatably sleeved on the outer surfaces of the three connecting rods. According to the utility model, when the grab bucket works, the electric telescopic rod is arranged, the electric telescopic rod drives the connecting rod to move, and the rotating shaft penetrates through the grabbing tooth mechanism and the connecting component to the inside of the second fixed block in a sliding manner, so that the grabbing tooth mechanism rotates along with the work of the electric telescopic rod, and when the grab bucket grabs a pipeline, the protective pad can play a role in protecting the pipeline, and the pipeline is prevented from being damaged.

Description

Crane grab bucket for pipeline

Technical Field

The utility model relates to the technical field of grab buckets, in particular to a crane grab bucket for a pipeline.

Background

The grab bucket is a special tool for grabbing dry and scattered goods by a crane. Two or more openable bucket-shaped jaws are combined together to form a containing space, the jaws are closed in a material pile during charging, materials are grabbed into the containing space, the jaws are opened in a suspended state on the material pile during discharging, the materials are scattered on the material pile, and the bucket can be divided into an ore grab bucket, a coal grab bucket, a grain grab bucket, a pipeline grab bucket and the like according to the types of operation goods.

However, in the prior art, the pipeline needs to be grabbed in the using process of the existing crane grab bucket, and the pipeline is in a hollow state, so that the pipeline damage caused by the contact between the pipeline and the grab bucket is easy to occur when the existing crane grab bucket is used, and the engineering cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and the protective cushion plays a role in protecting a pipeline when the grab bucket grabs by using the protective cushion, so that the problem of pipeline damage is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme: the crane grab bucket for the pipeline comprises a connecting assembly and connecting rods, wherein seven grabbing tooth mechanisms are arranged at the bottom of the connecting assembly and divided into two groups, every two three grabbing tooth mechanisms of one group are fixedly connected through two connecting rods, every two four grabbing tooth mechanisms of the other group are fixedly connected through two connecting rods, the number of the connecting rods is ten, electric telescopic rods are rotatably sleeved on the outer surfaces of the three connecting rods, the top ends of the three electric telescopic rods are rotatably connected to the bottom of the connecting assembly, and a dismounting mechanism is arranged on the front surface of the connecting assembly;

grab tooth mechanism and include hubei province board, one side of hubei province board is seted up flutedly, the inside of recess is fixed with the metal pole, the surface of metal pole is rotated the cover and is equipped with the L shaped plate, one side surface of L shaped plate is stained with the protection and is filled up, the top of L shaped plate is fixed with the stopper, the opposite side surface fixation of L shaped plate has buffer spring, buffer spring's one end is fixed at one side inside gauge wall of hubei province board, the bottom cover of hubei province board is equipped with the lag.

As a preferred embodiment, the dismounting mechanism comprises a first fixed block and a second fixed block, the rear surface of the first fixed block is of an open structure, and two rotating shafts are slidably penetrated in the first fixed block.

As a preferred embodiment, one end of each of the two rotating shafts penetrates into the second fixing block in a sliding manner, and a sliding through hole is formed in the top of the second fixing block.

In a preferred embodiment, the front inner surface wall of the first fixed block is fixed with a connecting block, and the rear surface of the connecting block extends into the second fixed block.

In a preferred embodiment, two stretching rods slide inside the sliding through hole, one ends of the two stretching rods extend to the outside of the second fixing block, and the other ends of the two stretching rods slide through the inside of the connecting block.

As a preferred embodiment, two the one end of second fixed block all is fixed with tensile handle, two the other end of tensile pole all is equipped with the limiting plate, two one side that the other end of tensile pole is close to the limiting plate all twines and is provided with compression spring.

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

1. according to the utility model, when the grab bucket works, the electric telescopic rod is arranged, the electric telescopic rod drives the connecting rod to move, the rotating shaft penetrates through the grabbing tooth mechanism and the connecting component to the inside of the second fixing block in a sliding mode, so that the grabbing tooth mechanism rotates along with the work of the electric telescopic rod, when the grab bucket grabs a pipeline, the protection pad can play a role in protection, the pipeline is prevented from being damaged, meanwhile, when a plurality of pipelines are grabbed simultaneously, the pipeline can exert pressure on the grabbing tooth mechanism after the grab bucket grabs, the L-shaped plate can rotate under the action of pressure, and meanwhile, the pipeline is supported.

2. According to the utility model, the stretching handle is pressed to drive the stretching rod to move, the stretching rod can be separated from the inside of the connecting block, so that a worker can conveniently detach the stretching rod, the operation is simple and convenient in integral use, and the working efficiency of the tooth grabbing mechanism is greatly improved.

Drawings

FIG. 1 is a perspective view of a pipeline crane grab in accordance with the present invention;

FIG. 2 is a schematic sectional front view of a pipeline crane grab according to the present invention;

FIG. 3 is a schematic view of a rear cross-sectional view of a grab bucket of a pipeline crane according to the present invention;

fig. 4 is a partially enlarged view of the area a in fig. 3 of the crane grab for pipelines according to the present invention.

Illustration of the drawings:

1. a connecting assembly; 2. a tooth grasping mechanism; 201. jaw plates; 202. a groove; 203. a metal rod; 204. an L-shaped plate; 205. a protective pad; 206. a limiting block; 207. a buffer spring; 208. a protective sleeve; 3. an electric telescopic rod; 4. a disassembly and assembly mechanism; 401. a first fixed block; 402. a rotating shaft; 403. connecting blocks; 404. a second fixed block; 405. a slide through hole; 406. stretching the handle; 407. a stretch rod; 408. a compression spring; 409. a limiting plate; 5. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a crane grab bucket for a pipeline comprises a connecting assembly 1 and connecting rods 5, wherein seven grabbing tooth mechanisms 2 are arranged at the bottom of the connecting assembly 1, the seven grabbing tooth mechanisms 2 are divided into two groups, every two grabbing tooth mechanisms 2 in one group are fixedly connected through the two connecting rods 5, every two grabbing tooth mechanisms 2 in the other group are fixedly connected through the two connecting rods 5, ten connecting rods 5 are arranged, electric telescopic rods 3 are rotatably sleeved on the outer surfaces of the three connecting rods 5, the top ends of the three electric telescopic rods 3 are rotatably connected to the bottom of the connecting assembly 1, and a dismounting mechanism 4 is arranged on the front surface of the connecting assembly 1;

grab tooth mechanism 2 and include hubei province board 201, hubei province board 201's one side is seted up flutedly 202, the inside of recess 202 is fixed with metal pole 203, the surface of metal pole 203 is rotated the cover and is equipped with L shaped plate 204, one side surface of L shaped plate 204 is stained with protection pad 205, the top of L shaped plate 204 is fixed with spacing piece 206, the opposite side surface mounting of L shaped plate 204 has buffer spring 207, buffer spring 207's one end is fixed at hubei province board 201 one side inside surface wall, hubei province board 201's bottom cover is equipped with lag 208.

Dismouting mechanism 4 includes first fixed block 401, second fixed block 404, and the rear surface of first fixed block 401 is open structure, and the inside of first fixed block 401 slides and runs through there are two pivot 402, through using first fixed block 401 and second fixed block 404, in using, cooperation pivot 402 can be connected grabbing tooth mechanism 2 and coupling assembling 1, and the grab bucket of being convenient for carries out work.

Inside the one end of two pivot 402 slided to run through to second fixed block 404, sliding through hole 405 has been seted up at the top of second fixed block 404, through using pivot 402, will grab tooth mechanism 2 and rotate the cover and establish on pivot 402 for grab tooth mechanism 2 rotates at the during operation, makes the grab bucket snatch work.

The connecting block 403 is fixed to the front inner surface wall of the first fixing block 401, the rear surface of the connecting block 403 extends to the inside of the second fixing block 404, the position of the rotating shaft 402 can be limited by using the connecting block 403 and matching the second fixing block 404, and the rotating shaft 402 is prevented from shifting to cause the grabbing tooth mechanism 2 to fall off when the grab bucket works.

The inside slip of slip through-hole 405 has two tensile poles 407, and the one end of two tensile poles 407 all extends to the second fixed block 404 outside, and inside the other end of two tensile poles 407 all slided and runs through to connecting block 403, through using tensile pole 407, can inject the position of connecting block 403, avoids connecting block 403 to break away from second fixed block 404.

The one end of two second fixed blocks 404 all is fixed with tensile handle 406, and the other end of two tensile poles 407 all overlaps and is equipped with limiting plate 409, and one side that the other end of two tensile poles 407 is close to limiting plate 409 all twines and is provided with compression spring 408, through the restoring force that uses compression spring 408 self to produce, can exert pressure to tensile pole 407 for tensile pole 407 can not break away from inside connecting block 403.

The working principle of the embodiment is as follows: when the pipeline grab bucket of the crane is used, firstly, as shown in fig. 1-4, during installation, the grabbing tooth mechanism 2 is placed inside the connecting assembly 1, the connecting assembly 1 with the rotating shaft 402 sliding and the grabbing tooth mechanism 2 are fixed inside the connecting assembly 1 through the through hole formed in the front surface, the grabbing tooth mechanism 2 is fixed inside the connecting assembly 1, then the first fixing block 401 is placed at one end of the rotating shaft 402, the connecting block 403 slides to the outside of the connecting assembly 1 through the sliding groove formed in the front surface of the connecting assembly 1, finally the stretching handle 406 applies pressure, the stretching handle 406 drives the stretching rod 407 to move, when the stretching rod 407 moves, the connecting block 403 slides to the inside of the second fixing block 404, the pressure applied to the stretching handle 406 is stopped, the restoring force of the compression spring 408 drives the limiting plate 409 to move, the limiting plate 409 drives the stretching rod 407 to move, and the stretching rod 407 moves to the connecting block 403, the fixing work of the tooth grabbing mechanism 2 is completed;

according to the illustration in fig. 1-3, when the grab bucket works, the electric telescopic rod 3 is arranged, the electric telescopic rod 3 drives the connecting rod 5 to move, the rotating shaft 402 penetrates through the grabbing tooth mechanism 2 and the connecting components 1 to the second fixing block 404 in a sliding manner, so that the grabbing tooth mechanism 2 rotates along with the work of the electric telescopic rod 3, when the grabbing work is performed, the grabbing tooth mechanism 2 applies pressure to the pipeline, the pipeline moves into a space formed among the grabbing tooth mechanisms 2, then the pipeline applies pressure to the L-shaped plate 204, the protection pad 205 is matched to prevent the pipeline from contacting the L-shaped plate 204 to reduce the damage of the pipeline, meanwhile, the pipeline applies pressure to the L-shaped plate 204 to drive the L-shaped plate 204 to move, when the electric telescopic rod 3 stops, the L-shaped plate 204 stops receiving pressure, the restoring force of the buffer spring 207 drives the L-shaped plate 204 to rotate to apply pressure to the pipeline, make the in close contact between a plurality of pipelines, increase the pipeline and at the inside stability of grab bucket, improve the result of use of device greatly, wherein, electric telescopic handle 3 adopts YNT-04 model.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a hoist grab bucket for pipeline, includes coupling assembling (1), connecting rod (5), its characterized in that: the bottom of the connecting component (1) is provided with seven grabbing tooth mechanisms (2), the seven grabbing tooth mechanisms (2) are divided into two groups, every two grabbing tooth mechanisms (2) in one group are fixedly connected through two connecting rods (5), every two grabbing tooth mechanisms (2) in the other group are fixedly connected through two connecting rods (5), the connecting rods (5) are ten in number, electric telescopic rods (3) are rotatably sleeved on the outer surfaces of the three connecting rods (5), the top ends of the three electric telescopic rods (3) are rotatably connected to the bottom of the connecting component (1), and the front surface of the connecting component (1) is provided with a dismounting mechanism (4);

grab tooth mechanism (2) and include hubei province board (201), one side of hubei province board (201) is seted up fluted (202), the inside of recess (202) is fixed with metal pole (203), the surface of metal pole (203) is rotated the cover and is equipped with L shaped plate (204), one side surface of L shaped plate (204) is stained with protection pad (205), the top of L shaped plate (204) is fixed with spacing piece (206), the opposite side surface fixing of L shaped plate (204) has buffer spring (207), the one end of buffer spring (207) is fixed at one side inside surface wall of hubei province board (201), the bottom cover of hubei province board (201) is equipped with lag (208).

2. The grab bucket of a pipeline crane according to claim 1, wherein: dismouting mechanism (4) are including first fixed block (401), second fixed block (404), the rear surface of first fixed block (401) is open structure, and the inside slip of first fixed block (401) is run through there are two pivot (402).

3. The grab bucket of a pipeline crane according to claim 2, wherein: one end of each of the two rotating shafts (402) penetrates into the second fixing block (404) in a sliding mode, and a sliding through hole (405) is formed in the top of the second fixing block (404).

4. A pipeline crane grab as claimed in claim 3, wherein: the front inner surface wall of the first fixing block (401) is fixed with a connecting block (403), and the rear surface of the connecting block (403) extends to the inside of the second fixing block (404).

5. The grab bucket of a pipeline crane according to claim 4, wherein: two stretching rods (407) slide in the sliding through hole (405), one ends of the two stretching rods (407) extend to the outside of the second fixing block (404), and the other ends of the two stretching rods (407) penetrate into the connecting block (403) in a sliding mode.

6. The grab bucket of a pipeline crane according to claim 5, wherein: two the one end of second fixed block (404) all is fixed with tensile handle (406), two the other end of tensile pole (407) all overlaps and is equipped with limiting plate (409), two one side that the other end of tensile pole (407) is close to limiting plate (409) all twines and is provided with compression spring (408).