CN212715067U

CN212715067U - Internal support plate of excavator arm

Info

Publication number: CN212715067U
Application number: CN202021069574.1U
Authority: CN
Inventors: 唐基荣
Original assignee: Guangzhou Hui Tong Machinery Co ltd
Current assignee: Guangzhou Hui Tong Machinery Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-16
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses an inner supporting plate of an excavator arm, which comprises an excavator arm main body and a supporting plate, wherein the excavator arm main body is welded with lug sleeving seats, the side wall of the excavator arm main body is symmetrically provided with round holes, the two sides of the supporting plate are symmetrically welded with auxiliary welding fixing blocks, splayed through holes are arranged in the supporting plate in a penetrating way, the two ends of each auxiliary welding fixing block are symmetrically provided with chamfers, and the auxiliary welding fixing blocks are internally provided with positioning round grooves, the sides of the positioning round grooves are symmetrically provided with limiting grooves, the inner supporting plate can be used for the excavator arm by the supporting plate structure arranged by the utility model, adopts Q355 material, is light and durable, is designed into a splayed shape, reduces the tensile force, enhances the toughness of plates, is integrally formed, saves materials, is convenient and fast to weld, improves the efficiency, lightens the, saving cost and improving economic benefit.

Description

Internal support plate of excavator arm

Technical Field

The utility model relates to an excavator equipment technical field specifically is excavator arm inside backup pad.

Background

An excavator, also known as an excavating machine (excavating excavator), is an earth moving machine that excavates materials above or below a bearing surface with a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard; the materials excavated by the excavator mainly comprise soil, coal, silt, soil after pre-loosening and rock; in view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator becomes one of the most important construction machines in construction; the most important three parameters of the excavator: operating weight (mass), engine power and bucket capacity.

Most of the existing supporting plates inside the excavator arm are formed by self-assembling welding, the thicknesses of plates are different, and the existing excavator arm is formed by self-scribing, plate cutting, assembling welding and the like in the early stage; the stability is not enough, the existing supporting plate in the excavator arm wastes a large amount of materials and labor cost, and the manufacturing efficiency is slow; influence tight economic benefits to heavy unaesthetic and insecure, for this reason, the utility model provides an excavator arm inside backup pad is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside backup pad of excavator arm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: inside backup pad of excavator arm, including horn main part and backup pad, the welding is provided with the cover ear seat in the horn main part to the lateral wall symmetry of horn main part is provided with the round hole, the bilateral symmetry welding of backup pad is provided with supplementary welding fixed block to run through in the backup pad and be provided with the splayed through-hole, the both ends symmetry of supplementary welding fixed block is provided with the chamfer to be provided with the location circular slot in the supplementary welding fixed block, the avris symmetry in location circular slot is provided with the spacing groove to the bottom face in location circular slot is provided with the location thread groove, the grafting is provided with the pipe in the location circular slot, and the avris integrated into one piece symmetry of pipe is provided with the stopper, be provided with screw hole, screw hole threaded connection in the pipe and be.

Preferably, the limiting blocks correspond to the limiting grooves in arrangement position and are arranged in the same number, and the length of the limiting blocks is equal to the depth of the limiting grooves.

Preferably, the support plate is arranged in the machine arm main body in an inclined mode, the support plate is connected with the inner side wall of the machine arm main body in a welding mode, and when the lug sleeving seat is arranged on the support plate, the support plate is also connected with the lug sleeving seat.

Compared with the prior art, the beneficial effects of the utility model are that:

through the utility model discloses the backup pad structure that sets up adopts the Q355 material to this inside backup pad of all can using of excavator arm class, and light durable designs for the splayed, reduces the pulling force, reinforcing panel toughness, integrated into one piece, material saving, welding convenient and fast, raises the efficiency, alleviates the weight of arm, reduces the excavator oil consumption, practices thrift the cost, improves economic benefits.

Drawings

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

FIG. 2 is an exploded view of the connection between the main body of the arm and the supporting plate structure of the present invention;

fig. 3 is a schematic enlarged view of a portion of the structure connection of fig. 2 according to the present invention.

In the figure: the welding machine comprises a machine arm main body 1, a sleeve lug seat 2, a supporting plate 3, an auxiliary welding fixing block 4, a chamfer 5, a splayed through hole 6, a round hole 7, a positioning round groove 8, a limiting groove 9, a positioning thread groove 10, a round pipe 11, a limiting block 12, a threaded hole 13 and a positioning screw 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative work, all belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides a technical solution: an inner support plate of an excavator arm comprises an arm main body 1 and a support plate 3, wherein an ear sleeving seat 2 is welded on the arm main body 1, round holes 7 are symmetrically arranged on the side wall of the arm main body 1, auxiliary welding fixing blocks 4 are required to be symmetrically welded on two sides of the support plate 3, splayed through holes 6 are arranged in the support plate 3 in a penetrating mode, chamfers 5 are symmetrically arranged at two ends of each auxiliary welding fixing block 4, a positioning round groove 8 is arranged in each auxiliary welding fixing block 4, a limit groove 9 is symmetrically arranged on the edge side of each positioning round groove 8, a positioning thread groove 10 is arranged on the bottom end face of each positioning round groove 8, a round pipe 11 is arranged in the positioning round grooves 8 in a splicing mode, limit blocks 12 are symmetrically arranged on the edge sides of the round pipes 11 in an integrated forming mode, the limit blocks 12 correspond to the limit grooves 9 in arrangement position and are the same in arrangement number, the round tube 11 is provided with a threaded hole 13, and the threaded hole 13 is provided with a positioning screw 14 in a threaded connection mode.

The working principle is as follows: the utility model adopts Q355 material for the support plate 3, which is light and durable, the splayed through hole 6 is arranged for reducing the tension and enhancing the toughness of the plate, the welding work of the support plate can be facilitated through the arranged chamfer 5 and the auxiliary welding fixing block 4, the support plate 3 is connected with the lower cover plate in the machine arm main body 1, the aim is to enhance the internal structural strength of the arm, the support plate 3 is connected with the sleeve lug seat 2 and the bucket rod cylinder inclined plane, the welding of the arm body is beautiful and firm, when the support plate 3 is welded and arranged in the machine arm main body 1, the support plate 3 is inclined in the machine arm main body 1 according to the actual working requirement, the positioning circular groove 8 in the auxiliary welding fixing block 4 on the support plate 3 is aligned with the circular hole 7, namely, the central line is on the same straight line, then the circular pipe 11 is inserted into the positioning circular groove 8 through the circular hole 7, the limiting groove 9, at last, peg graft through set screw 14 and carry out first fixed with backup pad 3 position in location thread groove 10, connect and carry out welded connection with backup pad 3 again and fix, can prevent backup pad 3's skew at this in-process, guarantee to connect accurately to it is convenient to bring for the staff, improves work efficiency, consequently, through the utility model discloses the backup pad structure that sets up all can use this inside backup pad to excavator arm class, adopts Q355 material, and is light durable, and the design is the splayed, reduces the pulling force, strengthens panel toughness, integrated into one piece, material saving, welding convenient and fast, raises the efficiency, alleviates the weight of arm, reduces the excavator oil consumption, practices thrift the cost, raises economic benefits.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Inside backup pad of excavator arm, including horn main part (1) and backup pad (3), its characterized in that: the welding is provided with set ear seat (2) on horn main part (1) to the lateral wall symmetry of horn main part (1) is provided with round hole (7), the bilateral symmetry welding of backup pad (3) is provided with supplementary welded fastening piece (4) to run through in backup pad (3) and be provided with splayed through-hole (6), the both ends symmetry of supplementary welded fastening piece (4) is provided with chamfer (5) to be provided with location circular slot (8) in supplementary welded fastening piece (4), the avris symmetry of location circular slot (8) is provided with spacing groove (9), and the bottom face of location circular slot (8) is provided with location thread groove (10), the grafting is provided with pipe (11) in location circular slot (8), and the avris integrated into one piece symmetry of pipe (11) is provided with stopper (12), be provided with screw hole (13) in pipe (11), The threaded hole (13) is provided with a positioning screw (14) in a threaded connection manner.

2. The excavator arm internal support plate of claim 1 wherein: the limiting blocks (12) correspond to the limiting grooves (9) in arrangement position and are the same in arrangement number, and the length of the limiting blocks (12) is equal to the depth of the limiting grooves (9).

3. The excavator arm internal support plate of claim 1 wherein: the support plate (3) is obliquely arranged in the machine arm main body (1), the support plate (3) is connected with the inner side wall of the machine arm main body (1) in a welding mode, and when the position of the lug sleeving seat (2) is arranged on the support plate (3), the support plate (3) is also connected with the lug sleeving seat.