CN215977427U

CN215977427U - Shoveling structure of crawler tractor

Info

Publication number: CN215977427U
Application number: CN202122446132.5U
Authority: CN
Inventors: 张玉坤; 王亚波
Original assignee: Laizhou Kuncheng Machinery Co ltd
Current assignee: Laizhou Kuncheng Machinery Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-08
Anticipated expiration: 2031-10-11

Abstract

The utility model provides a shoveling structure of a crawler tractor, which solves the problems of small retraction amplitude and small loading capacity of a bucket in the prior art. A shoveling and digging structure of a crawler tractor comprises a tractor body, wherein two bilaterally symmetrical racks are arranged on the upper surface of the tractor body, a shoveling and digging structure is arranged in front of the tractor body, and the shoveling and digging structure is hinged with the racks; the shoveling and digging structure comprises two large arms, a bucket, a first oil cylinder, a stabilizing plate, a supporting rod, a second oil cylinder, an upper support and a lower support, wherein the two large arms are hinged with two bilaterally symmetrical frames respectively, the other ends of the two large arms are hinged with the bucket respectively, the first oil cylinder is positioned below the large arms, one end of the first oil cylinder is hinged with the frames, the other end of the first oil cylinder is hinged with the large arms, the stabilizing plate is hinged above the middle portion of the large arms, the supporting rod and one end of the second oil cylinder are hinged with the stabilizing plate respectively, the other end of the supporting rod is hinged on the frames above the large arms, the other end of the second oil cylinder is hinged with the upper support and the lower support in a concentric mode, and the other ends of the upper support and the lower support are hinged with the bucket and the large arms respectively.

Description

Shoveling structure of crawler tractor

Technical Field

The utility model relates to the field of crawler shoveling machines, in particular to a shoveling structure which is reinforced in structure, large in bucket retraction amplitude and capable of enabling a bucket opening to be in a horizontal state.

Background

From the national situation, China is in the rush hour of infrastructure construction of various aspects such as road traffic, energy and water conservancy, city construction and the like, the market demand of the excavator rises year by year, and from the development of engineering machinery in recent years, the development of the excavator is relatively fast, and the excavator becomes one of the most main engineering machinery in engineering construction. With the development of excavators, various bucket configurations for different applications are in the market, and the shape of the bucket is generally determined by the movement of the hydraulic excavator, but with the existing bucket structure in the market, the bucket has a small retraction amplitude, the waste of space in the bucket is large, and the maximum loading capacity cannot be reached.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shoveling structure of a crawler tractor, which solves the problems of small retraction amplitude and small loading capacity of a bucket in the prior art.

The technical scheme of the utility model is realized as follows: a shoveling and digging structure of a crawler tractor comprises a tractor body, wherein two bilaterally symmetrical racks are arranged on the upper surface of the tractor body, a shoveling and digging structure is arranged in front of the tractor body, and the shoveling and digging structure is hinged with the racks;

the shoveling and digging structure comprises a big arm, a bucket, a first oil cylinder, a stabilizing plate, a supporting rod, a second oil cylinder, an upper support and a lower support, the two large arms are respectively hinged with the two racks which are symmetrical left and right, the other ends of the two large arms are respectively hinged with the bucket, the oil cylinder is positioned below the large arm, one end of the oil cylinder is hinged with the frame, the other end of the oil cylinder is hinged with the large arm, the stabilizing plate is hinged above the middle part of the large arm, meanwhile, one end of the support rod and one end of the second oil cylinder are respectively hinged with the stabilizing plate, the stabilizing plate connects the large arm, the support rod and the second oil cylinder to form a triangular structure, the other end of the supporting rod is hinged to the rack above the large arm, the other end of the second oil cylinder is concentrically hinged to the upper support and the lower support, and the other ends of the upper support and the lower support are respectively hinged to the bucket and the large arm.

In a preferred embodiment, the upper support is arched.

As a preferred embodiment, the upper support and the lower support connect the second cylinder, the big arm and the bucket to form a triangular structure.

After the technical scheme is adopted, the utility model has the beneficial effects that: the whole structure is more stable and the arm force is larger through the improvement of the whole structure for many times, particularly, a supporting rod above the large arm and a stabilizing plate hinged to the upper middle part of the large arm form a triangular structure together, the triangular structure is the most stable structure as well known, the stable output of the oil cylinder II in the work can be ensured, and the fact that the scraper bucket can be used for thread-cutting in a fixed state is directly ensured.

The front ends of the two oil cylinders are concentrically hinged with an upper support and a lower support, one is hinged with the bucket to play a role in pushing and withdrawing, the other is hinged with the big arm to play a role in supporting, a triangular structure is formed between the two oil cylinders, the bucket can extend out and withdraw easily and freely through the structure, the stability of the bucket is guaranteed in construction operation, damage in operation is reduced, in addition, the bucket horizontal operation can be realized through the structure, the space in the bucket is fully utilized, materials are loaded to the maximum degree, meanwhile, the falling of the materials from the bucket is reduced in the lifting process of the bucket, waste is avoided, and the pollution to the surrounding environment is further avoided.

Because the upper support is arched, the impact force of the oil cylinder to the bucket can be reduced in operation, and the service life of the bucket is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a dynamic plan structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a dynamic plan structure according to another embodiment of the present invention;

FIG. 3 is a schematic plan view of the present invention;

in the figure: 1-a vehicle body; 2-a frame; 3-shoveling and digging structure; 4-big arm; 5-a bucket; 6-oil cylinder I7-stabilizing plate; 8-a support bar; 9-oil cylinder II; 10-upper support; 11-lower support.

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.

As shown in fig. 1, two bilaterally symmetrical frames 2 are installed on the surface of a vehicle body 1, a shoveling structure 3 is hinged to the frames 2, the shoveling structure 3 comprises a large arm 4, a bucket 5, a first oil cylinder 6, a stabilizing plate 7, a supporting rod 8, a second oil cylinder 9, an upper support 10 and a lower support 11, the large arm 4 is arranged on the left and the right and is respectively hinged to the frames 2 installed on the vehicle body 1, the other end of the large arm is respectively hinged to the front bucket 5, the first oil cylinder 6 is hinged to the frame 2 below the large arm 4, the other end of the first oil cylinder 6 is hinged to the middle lower part of the large arm 4, and the lifting of the large arm 4 is controlled by the first oil cylinder 6; the retraction and extension of the bucket 5 are completed by the support rod 8 above the large arm 4, the stabilizing plate 7, the second oil cylinder 9, the upper support 10 and the lower support 11; one end of the supporting rod 8 is hinged to the large arm 4, the other end of the supporting rod is hinged to the stabilizing plate 7, meanwhile, the oil cylinder II 9 and the large arm 4 are hinged to the stabilizing plate 7, the supporting rod 8, the oil cylinder II 9 and the large arm 4 are connected through the stabilizing plate 7 to form a triangular structure, and the protruding stability of the triangular structure enables the oil cylinder II 9 to always keep stable output, so that the operating efficiency of the bucket 5 is guaranteed; the front ends of the oil cylinders II 9 are concentrically hinged with an upper support 10 and a lower support 11, one is hinged with the bucket 5 to play a role in pushing and withdrawing, the other is hinged with the large arm 4 to play a role in supporting, the two are mutually matched and form a triangular structure, the bucket 5 can extend out and withdraw easily and freely through the structure, the stability of the bucket 5 is ensured in construction operation, and damage in operation is reduced.

As shown in fig. 2 and 3, one side of the bucket 5 is parallel to the ground, the vehicle body 1 moves forward to push materials, and simultaneously control the oil return of the second oil cylinder 9, the upper support 10 and the lower support 11 pull the bucket 5 to slowly withdraw backwards, the materials enter the bucket 5, when the oil return of the second oil cylinder 9 reaches a horizontal state at the bottom of the bucket, the materials loaded in the bucket 5 at the time are the most, the working efficiency can be greatly improved, meanwhile, the large arm 4 slowly rises, the second oil cylinder 9 presses oil after rising to a certain position, the upper support 10 and the lower support 11 are matched to slowly push the bucket to turn over forwards, the materials in the bucket 5 are dumped, the upper support 10 is set to be arched for buffering the impact of the second oil cylinder 9 on the bucket 5, and the service life of the bucket 5 is prolonged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a structure is dug to crawler tractor shovel which characterized in that: the forklift comprises a forklift body, wherein two bilaterally symmetrical racks are arranged on the upper surface of the forklift body, a shoveling structure is arranged in front of the forklift body, and the shoveling structure is hinged with the racks;

2. A crawler tractor scooping structure according to claim 1, wherein: the upper support is arranged in an arch shape.

3. A crawler tractor scooping structure according to claim 1, wherein: the upper support and the lower support connect the second oil cylinder, the large arm and the bucket to form a triangular structure.