CN101985192B

CN101985192B - Method for assembling crawler base of excavator

Info

Publication number: CN101985192B
Application number: CN2010105470132A
Authority: CN
Inventors: 丁超; 王艳丽; 李战锋
Original assignee: LONKING (SHANGHAI) EXCAVATOR MANUFACTURING Co Ltd
Current assignee: LONKING (SHANGHAI) EXCAVATOR MANUFACTURING Co Ltd
Priority date: 2010-11-17
Filing date: 2010-11-17
Publication date: 2012-05-30
Anticipated expiration: 2030-11-17
Also published as: CN101985192A

Abstract

The invention provides a method for assembling a crawler base of an excavator, which is characterized by comprising the following steps: hoisting a left bracket body, a right bracket body and a base in turn to process equipment; adjusting the position of the base and the positions of the left bracket body and the right bracket body in turn; welding; after welding, detecting position tolerance, particularly the items including the parallelism of the upper plane of a supporting seat and the bottom faces of the left and right bracket bodies, the overall planeness of the bottom faces of the left and right bracket bodies and consistency between the parallelism of the central lines of the left and right bracket bodies and the requirements of a drawing on form and position tolerance; and after the position tolerance is detected to be qualified, turning to a next process flow. The method has the advantages of ensuring the dimension accuracy of the assembly of the crawler base and vehicle performance, making operation steps simple, reducing labor intensity, improving assembly efficiency and reducing manufacturing cost of the excavator.

Description

A kind of excavator crawler belt base assembly method

Technical field

The present invention relates to a kind of excavator crawler belt base assembly method.

Background technology

The crawler belt base belongs to vitals in the excavator member, it is related to the stability of excavator walking states and duty, and is as shown in Figure 1, and it is by left socle body 1, base 2 and the welding of right support body 3 three parts or assemblies.

In conjunction with Fig. 1 and Fig. 2; The factor of analyzing influence excavator walking states and stability under working conditions mainly contains: be positioned at the flatness of the thrust wheel installing plate 4 of base 2 bottoms, the depth of parallelism of left socle body 1, right support body 2 and thrust wheel installing plate 4 and the depth of parallelism that is positioned at the supporting base 5 on base 2 tops.

To these influence factors; How excavator manufacturer all guarantees the depth of parallelism of thrust wheel installing plate 4 and supporting base 5 from the research of assembly technology angle both at home and abroad; The flatness of thrust wheel installing plate 4; And the depth of parallelism of left socle body 1, right support body 2, make the form and position tolerance reference standard that different tonne excavator crawler belt bases are made simultaneously.Purpose is to alleviate manpower labour intensity, to improve efficiency of assembling, to reduce manufacturing cost.

At present, the demand of city's field alignment type excavator is increasing, simultaneously to the accuracy of manufacture of excavator with propose higher requirement service life.These market demands are directly to the technological design of excavator claim more innovative designs and the process conditions that can satisfy large quantities of volume productions.

Summary of the invention

The purpose of this invention is to provide a kind of excavator crawler belt base assembly method, can not only guarantee precision of assembling and the process conditions that can satisfy production in enormous quantities through this assembly method.

In order to achieve the above object, technical scheme of the present invention has provided a kind of excavator crawler belt base assembly method, it is characterized in that step is:

Step 1, hang left socle body, right support body and base to technological equipment successively;

The position of step 2, adjustment base makes the last plane and the snap of process unit locating surface of supporting base to clamp base;

Step 3, adjustment left socle body and right support body position; Make center line and the center line of left socle body and the center line snap of right support body of thrust wheel installing plate; Simultaneously; Make and the bottom surface of left socle body and the bottom surface and the snap of process unit locating surface of right support body clamp left socle body and right support body;

Step 4, require left socle body, right support body and base are welded according to art work sheet;

Step 5, postwelding check position tolerance; Main project is the depth of parallelism of bottom surface of bottom surface and right support body of last plane and the left socle body of supporting base; The integral planar degree of the bottom surface of the bottom surface of left socle body and right support body; Whether the depth of parallelism of the center line of the center line of left socle body and right support body meets the drawing Geometrical Tolerance Principle, changes road flow process down through after the assay was approved.

The invention has the beneficial effects as follows: guarantee crawler belt base fitted position precision and complete machine performance, operating procedure is simple, alleviates manpower labour intensity, improves efficiency of assembling, reduces the excavator manufacturing cost.

Description of drawings

Fig. 1 is that a kind of excavator crawler belt base is formed sketch map;

Fig. 2 is supporting base and the thrust wheel installing plate position view in a kind of excavator crawler belt base;

Left and right stake body used when Fig. 3 was the assembling of a kind of excavator crawler belt base positioning reference D, E;

Supporting base and left and right stake body used when Fig. 4 was the assembling of a kind of excavator crawler belt base positioning reference A, B, C;

The technological equipment front view of Fig. 5 for using among the embodiment;

The technological equipment vertical view of Fig. 6 for using among the embodiment;

The technological equipment side view of Fig. 7 for using among the embodiment.

The specific embodiment

Specify the present invention below in conjunction with embodiment.

Embodiment

In conjunction with Fig. 1 to Fig. 4, the invention provides a kind of excavator crawler belt base assembly method, step is:

Step 1, hang left socle body 1, right support body 3 and base 2 to technological equipment successively;

The position of step 2, adjustment base 2 makes the last plane A and the snap of process unit locating surface of supporting base 5 to clamp base 2;

Step 3, adjustment left socle body 1 and right support body 3 positions; Make the center line of thrust wheel installing plate 4 align with the center line D of left socle body 1 and the center line E of right support body 3; Make simultaneously and the bottom surface C and the snap of process unit locating surface of bottom surface B and right support body 3 of left socle body 1 clamp left socle body 1 and right support body 3;

Step 4, require left socle body 1, right support body 3 and base 2 are welded according to art work sheet;

Step 5, postwelding check position tolerance; Main project is the depth of parallelism of bottom surface C of bottom surface B and right support body 3 of last plane A and the left socle body 1 of supporting base 5; The integral planar degree of the bottom surface B of left socle body 1 and the bottom surface C of right support body 3; Whether the depth of parallelism of the center line D of left socle body 2 and the center line E of right support body 3 meets the drawing Geometrical Tolerance Principle, changes road flow process down through after the assay was approved.

Above-mentioned frock can be conventional tooling device; In the present embodiment; Above-mentioned process unit is that Fig. 5 is to shown in Figure 6; It is in 200920213853.8 the patent that this equipment is disclosed in application number, comprises that stake body supporting and limiting device 21, right side sliding seat 31, Connection Block 41, left side sliding seat 51, stopping means 6, driving wheel stopping means 7, fixed support 8, equal-high base 9, middle cylinder drive 10, base plate 18, first guide rail 19 and second guide rail 20 form.

The left and right sides all is provided with first guide rail 19 on the base plate 18; Be respectively equipped with left side sliding seat 51 and right side sliding seat 31 on first guide rail 19 of the left and right sides; The front end of left side sliding seat 51 and right side sliding seat 31 is respectively equipped with second guide rail 20; All be provided with driving wheel stopping means 7 on second guide rail 20 of the left and right sides; The position that is positioned at second guide rail, 20 rear sides on left side sliding seat 51 and the right side sliding seat 31 all is provided with stake body supporting and limiting device 21; The position that is positioned at sliding seat 5 right sides, left side and right side sliding seat 31 left sides on the base plate 18 all is provided with stopping means 6, and base plate 18 middle parts are provided with equal-high base 9, and equal-high base 9 upper ends connect fixed support 8; The position that is positioned at equal-high base 9 left and right sides on the base plate 18 all is provided with middle cylinder drive 10, and the middle cylinder drive 10 of the left and right sides connects left side sliding seats 5 and right side sliding seats 31 through Connection Block 4 respectively.

Claims

1. excavator crawler belt base assembly method, excavator crawler belt base is welded by left socle body (1), base (2) and right support body (3), and it is characterized in that: step is:

Step 1, hang left socle body (1), right support body (3) and base (2) to technological equipment successively;

The position of step 2, adjustment base (2) makes the last plane (A) and the snap of process unit locating surface of supporting base (5) to clamp base (2);

Step 3, adjustment left socle body (1) and right support body (3) position; Make center line and the center line (D) of left socle body (2) and center line (E) snap of right support body (3) of thrust wheel installing plate (4); Simultaneously; Make and clamp left socle body (1) and right support body (3) in the bottom surface (B) of left socle body (1) and the bottom surface (C) and the snap of process unit locating surface of right support body (3);

Step 4, require left socle body (1), right support body (3) and base (2) are welded according to art work sheet;

Step 5, postwelding check position tolerance; Main project is the depth of parallelism of bottom surface (C) of bottom surface (B) and right support body (3) of last plane (A) and the left socle body (1) of supporting base (5); The integral planar degree of the bottom surface (B) of left socle body (1) and the bottom surface (C) of right support body (3); Whether the depth of parallelism of the center line (D) of left socle body (2) and the center line (E) of right support body (3) meets the drawing Geometrical Tolerance Principle, changes road flow process down through after the assay was approved.