CN219094120U

CN219094120U - Assembling device for middle beams of railway vehicle

Info

Publication number: CN219094120U
Application number: CN202223038035.3U
Authority: CN
Inventors: 张振龙; 万健; 张志发; 白代文; 杨中伟; 刘洋; 代勇; 谢林; 王小东; 刘阿君; 陈柏均; 施山成; 甘俊林; 冯陆; 杨科林
Original assignee: CRRC Meishan Co Ltd
Current assignee: CRRC Meishan Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-05-30
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a pairing device for a middle beam of a railway vehicle. The device consists of a jig frame, a wind cylinder, an installation seat thereof, a heart disk positioning bearing module, a baffle positioning baffle and a wind cylinder control system; the jig frame is a long table-shaped bearing frame, core disc positioning bearing modules are arranged at two ends of the surface of the jig frame according to the position determined by the design of the middle beam, partition plate positioning baffles with transverse width equal to the inner distance between two middle beam members are arranged between the two core disc positioning bearing modules on the surface of the jig frame at equal intervals, opposite mounting supports are welded and fixed at intervals along the longitudinal two sides of the jig frame respectively, and air cylinders used for compressing and fixing the middle beam assemblies are arranged on the supports. The assembly device of the utility model adopts a normal assembly process combination to ensure that the upper center plate does not warp after the middle beam is assembled, takes the whole upper center plate as the positioning reference of each part of the middle beam, completes the assembly of the upper center plate, the baffle plate assembly, the impact seat assembly and the like, ensures the positioning reference to be consistent and ensures the accuracy of the center plate distance; the baffle positioning baffle is used for controlling the side bending of the assembled middle beam after the baffle positioning.

Description

Assembling device for middle beams of railway vehicle

Technical Field

The utility model belongs to the technical field of railway vehicle design, and relates to a pairing device for a middle beam of a railway vehicle.

Background

The middle beam is one of the most important components in railway vehicles, and consists of component beams, impact seats, integral upper center plates, partition plates, cover plates, wearing plates and other parts, and the components are assembled and connected by an assembly process to form a complete middle beam.

The traditional assembly mode of the middle beam is to assemble the middle beam firstly, then assemble the middle beam by a reverse assembly mode of installing components such as an upper center plate, an impact seat and the like, the process flow is complex, and the dimensional accuracy of the assembled middle beam is low, so that the requirement of higher fine quality control cannot be met.

Disclosure of Invention

The utility model discloses a pairing device for a middle beam of a railway vehicle according to the defects of the prior art. The utility model aims to provide a pairing device for railway center sills, which can realize the normal assembly process of the center sills, and improve the production efficiency and the quality of the product center sills.

The utility model is realized by the following technical scheme:

a pairing device for a railway vehicle center sill, characterized by: the device consists of a jig frame, a wind cylinder, an installation seat thereof, a heart disk positioning bearing module, a baffle positioning baffle and a wind cylinder control system;

the jig frame is a long table-shaped bearing frame formed by profile steel, center plate positioning bearing modules are arranged at two ends of the surface of the jig frame according to the position determined by the design of the middle beam, partition plate positioning baffles with transverse width equal to the inner distance between two middle beam members are arranged between the two center plate positioning bearing modules on the surface of the jig frame at equal intervals, opposite mounting supports are welded and fixed at intervals along the longitudinal two sides of the jig frame respectively, and air cylinders used for compressing and fixing the middle beam assemblies are arranged on each mounting support.

The installation support and the air cylinder are at least installed at two sides of the heart disk positioning bearing modules in a relative mode, and the partition plate positioning baffle interval between the two heart disk positioning bearing modules is installed in a relative mode.

The surface of the center plate positioning bearing module is a wear-resistant steel plane with the flatness not more than 0.2mm, and a center plate positioning pin is arranged in the center; the positions of the center plate locating pins at the centers of the two center plate locating bearing modules are set according to the positions determined by the center beam design.

The baffle locating blocks comprise small-beam baffle locating blocks and large-beam baffle locating blocks which are sequentially and alternately arranged along the longitudinal direction in a circulating mode, and each baffle locating block consists of a baffle with the transverse width equal to the inner distance of two middle beam components and two locating blocks arranged on one side of the surface of the baffle.

And mounting supports and air cylinders are arranged on the side surfaces of the jig frames on the two sides of the large beam partition board positioning block.

The air cylinder control system is used for controlling each air cylinder to fix the centering beam member so as to complete assembly processing and release after the processing is completed.

The assembling device is used for the middle beam forward assembly process. Firstly, positioning and falling a center plate on a center plate positioning and bearing module of a center plate assembly device of a railway vehicle, positioning the center plate distance by a center plate positioning pin, ensuring the flatness of the center plate on a bearing surface of the center plate positioning and bearing module, reducing the labor intensity of operators, improving the center plate assembly efficiency and ensuring the assembly quality of products; the partition board positioning block is used as a partition board assembly positioning block of the middle beam and can also be used as a side bending control block of the middle beam. The jig frame, each positioning gear and the center plate positioning bearing module are connected into an integrated structure in a welding mode, so that the relative size of the middle beam assembly is ensured to be fixed, conditions are created for the standardized operation of the subsequent process, and the integrated jig type is convenient for planar layout adjustment.

The assembling device of the utility model adopts a normal assembly process combination to level the bearing surface of the upper center plate, so that the upper center plate is ensured not to warp after the middle beam is assembled; the whole upper center plate is used as a positioning reference of each middle beam, the assembly work of the upper center plate, the partition plate assembly, the impact seat assembly and the like is completed on one assembly tire, the positioning references are consistent, and the center plate distance precision is ensured; the process partition board positioning blocks uniformly distributed on the assembled tire are used for positioning the partition boards, and the side bending of the assembled middle beam can be further controlled by using synchronous force application on two sides of the air cylinder.

Drawings

FIG. 1 is a schematic view of the application state of the beam assembly device of the present utility model;

FIG. 2 is a schematic diagram of the pairing device according to the utility model;

FIG. 3 is a schematic diagram of a heart disk carrier module of the present utility model;

FIG. 4 is a schematic view of a detent lever according to the present utility model.

In the figure, 1 is the bed-jig, 2 is the support, 3 is little crossbeam baffle location shelves, 4 is big crossbeam baffle location shelves, 5 is the reservoir, 6 is heart dish location carrier module, 7 is the location shelves, 61 is heart dish round pin, 62 heart dish carrier platform.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.

As shown in the drawings, the pairing device for a railway vehicle center sill of the present utility model includes: the device comprises a jig frame, a wind cylinder, a mounting seat thereof, a heart disk positioning bearing module, a baffle positioning baffle and a wind cylinder control system.

In the middle beam assembly, the device adopts the normal assembly process of the center plate, the impact seat and the partition plate, ensures the assembly size of the middle beam group through the positioning function of the center plate positioning bearing module and the partition plate positioning block, and reduces the influence of human factors and material quality factors on the assembly quality of the middle beam. The jig frame and each baffle plate positioning baffle and center plate positioning bearing module are connected into an integrated structure in a welding mode, so that the relative size of the middle beam assembly time is ensured to be fixed; the flatness of the contact surface of the center plate positioning bearing module and the center plate is ensured by machining, so that the flatness of the center beam group to the rear center plate surface is ensured; the center plate positioning pin in the center plate positioning bearing module ensures the center plate position and the distance between the two center plates, and further limits and determines the assembly size of the center sill; the inner distance of the middle beam is ensured by the positioning baffle width of the baffle plate; the big crossbeam baffle locating shelves are arranged symmetrically on both sides of the air cylinder, and the small crossbeam baffle locating shelves are also arranged between the big crossbeam baffle locating shelves, so that the straightness of the middle beam after being combined with the beam is ensured, the working efficiency is improved, and the labor intensity is reduced.

The assembling device is suitable for assembling a middle beam structure with a middle beam consisting of two C-shaped steels and not sealed at the upper surface and the lower surface; when the assembly is completed, the integral upper center plate falls into the jig frame, the center plate positioning pins on the one-position center plate bearing module and the two-position center plate bearing module are used for positioning, then the beam partition plate positioning block is put into the jig frame and positioned by the partition plate positioning block, finally the middle beam falls into the jig frame, the symmetrical air cylinders are used for clamping, and positioning welding is carried out after the middle beam is adjusted to be proper in size.

As shown in fig. 2, the assembly device of the utility model is of a jig frame integrated structure, and six groups of air cylinders are symmetrically arranged left and right according to the length of the center sill, and each group of air cylinders has a stroke so as to facilitate the center sill to be lifted out.

The support surface of heart dish location carrier module welds together with heart dish locating pin group, and two heart dish locating pin distances are center sill heart dish distance, and heart dish locating pin and heart dish location carrier module's heart dish support surface is the machine and adds the piece to guarantee center sill group accuracy.

The baffle positioning baffle guarantees the longitudinal dimension of the baffle group, and meanwhile, the width of the baffle guarantees the inner distance of the middle beam and the side bending of the middle beam. The beam assembly device and the process method are suitable for manufacturing railway vehicles. And the middle beam is assembled by adopting the air cylinder clamping device, so that the assembly and the disassembly are convenient.

Claims

1. A pairing device for a railway vehicle center sill, characterized by: the device consists of a jig frame, a wind cylinder, an installation seat thereof, a heart disk positioning bearing module, a baffle positioning baffle and a wind cylinder control system;

2. The pairing device for a railway vehicle center sill according to claim 1, wherein: the installation support and the air cylinder are at least installed at two sides of the heart disk positioning bearing module in a relative mode, and the partition plate positioning baffle interval between the two heart disk positioning bearing modules is installed in a relative mode.

3. The pairing device for a railway vehicle center sill according to claim 2, wherein: the surface of the heart disk positioning bearing module is a wear-resistant steel plane with the flatness not more than 0.2mm, and a heart disk positioning pin is arranged in the center; the positions of the center plate locating pins at the centers of the two center plate locating bearing modules are set according to the positions determined by the center beam design.

4. The pairing device for a railway vehicle center sill according to claim 2, wherein: the baffle locating blocks comprise small-beam baffle locating blocks and large-beam baffle locating blocks which are sequentially and alternately arranged along the longitudinal direction in a circulating mode, and each baffle locating block consists of a baffle with the transverse width equal to the inner distance of two middle beam components and two locating blocks arranged on one side of the surface of the baffle.

5. The pairing device for a railway vehicle center sill as in claim 4 wherein: and mounting supports and air cylinders are arranged on the side surfaces of the jig frames on the two sides of the large beam partition board positioning block.