CN114260634B - Underframe assembling tool and assembling method - Google Patents
Underframe assembling tool and assembling method Download PDFInfo
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- CN114260634B CN114260634B CN202210073527.1A CN202210073527A CN114260634B CN 114260634 B CN114260634 B CN 114260634B CN 202210073527 A CN202210073527 A CN 202210073527A CN 114260634 B CN114260634 B CN 114260634B
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- sleeper
- traction
- support
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses an underframe assembly tool and an underframe assembly method, and belongs to the technical field of railway trucks. The chassis assembly fixture comprises: the two traction beam support frames are fixedly arranged on the assembly reference platform, and the two sleeper beam support frames are arranged between the two traction beam support frames; the two sleeper beam support frames are fixedly arranged on the assembly reference platform, and the interval between the two sleeper beam support frames is set; the sleeper beam supporting frame is provided with two positioning plates, the distance between the two positioning plates is set, the positioning plates are provided with two positioning pieces, and the distance between the two positioning pieces is set; the plurality of main beam support frames are fixedly arranged on the assembly standard platform, and are arranged between the two sleeper beam support frames; two limiting plates are arranged on the main beam supporting frame, and the distance between the two limiting plates is set; two side beam support plates are arranged on the main beam support frame, and the height of each side beam support plate is set. The chassis assembling tool and the assembling method can ensure the dimensional accuracy and improve the production efficiency.
Description
Technical Field
The invention relates to the technical field of railway trucks, in particular to an underframe assembly tool and an underframe assembly method.
Background
In the prior art, the underframe assembly process is that the traction pillow components at two ends are hung on a platform, the traction pillow core disc distance is measured by manually using a 20m tape measure, the diagonal line is measured, and the traction pillow core disc distance is adjusted by manually using a screw rod, so that the size of the traction pillow reaches the requirement. Fixing the traction pillow at two ends, and drawing lines to assemble the main beam, the side beam, the cross beam and the like.
However, the dimension error of manual line drawing operation is large, after the underframe is assembled and welded, the numerical values of center plate distance, diagonal line and deflection exceed the numerical values required by the technology, the requirement of the flatness of the side bearing surface formed by the traction and the pillows is 1mm, the requirement is not met, the difficult problems of reworking and the like are required, and the production efficiency is low.
Disclosure of Invention
The invention provides an underframe assembly tool and an underframe assembly method, which solve or partially solve the technical problems of first underframe assembly precision and low production efficiency in the prior art.
In order to solve the technical problems, the invention provides an underframe assembly fixture, which comprises: the system comprises an assembly reference platform, two sleeper beam supporting frames, two traction beam supporting frames and a plurality of main beam supporting frames; the two traction beam support frames are fixedly arranged on the assembly reference platform, and the two sleeper beam support frames are arranged between the two traction beam support frames; the two sleeper beam supporting frames are fixedly arranged on the assembly reference platform, and the interval between the two sleeper beam supporting frames is set; the sleeper beam supporting frame is provided with two positioning plates, the distance between the two positioning plates is set, the positioning plates are provided with two positioning pieces, and the distance between the two positioning pieces is set; the main beam support frames are fixedly arranged on the assembly standard platform, and are arranged between the two sleeper beam support frames; two limiting plates are arranged on the main beam supporting frame, and the distance between the two limiting plates is set; two side beam support plates are arranged on the main beam support frame, and the height of each side beam support plate is set.
Further, the bolster support frame includes: a first bracket and a first support plate; the first support plate is fixedly arranged on the first bracket; the two locating plates are arranged on the first supporting plate.
Further, the positioning plate is perpendicular to the first supporting plate, and the two positioning pieces are arranged along the length direction of the positioning plate.
Further, the main beam support frame includes: the second bracket and the second supporting plate; the second supporting plate is fixedly arranged on the second bracket; the two limiting plates and the two side beam supporting plates are arranged on the second supporting plate, and the two limiting plates are arranged between the two side beam supporting plates.
Further, two backup plates are arranged on the second support plate, the distance between the two backup plates is set, the side parts of the backup plates and the side beam support plates are fixedly connected with the end faces of the limiting plates, which deviate from the limiting plates, and the height of the backup plates is larger than that of the side beam support plates.
Based on the same inventive concept, the present application also provides a chassis assembling method comprising: respectively hoisting two traction sleeper components onto two sleeper beam supporting frames and two traction sleeper beam supporting frames, wherein the traction sleeper beam supporting frames support traction beams of the traction sleeper components, the sleeper beam supporting frames support sleeper beams of the traction sleeper components, and positioning pieces penetrate through positioning holes of the sleeper beams; hoisting two girders onto a girder support frame, arranging the two girders between two limiting plates, welding the girders with the limiting plates, and welding the girders with the girder support frame; welding a plurality of cross beams with two main beams; hoisting two side beams to two side beam support plates and welding the two side beam support plates with the side beam support plates; and welding the side cross beams with the side beams and the main beams.
Further, the lower plane of the lower cover plate of the traction beam is attached to the traction beam supporting frame; the side bearing surface of the lower cover plate of the sleeper beam is attached to the positioning plate; the main beam is attached to the main beam supporting frame; the side beam is attached to the side beam support plate.
Further, when the main beam is welded with the limiting plate, welding is sequentially performed from the middle part of the main beam to the two ends of the main beam.
Further, when the two side beams are hoisted to the two side beam support plates, the movable gantry acts from the middle parts of the two side beams to the end parts of the two side beams so as to enable the two side beams to be attached to the backup plates of the main beam support frame.
Further, after welding of the cross beams and the two main beams is completed, clamping pieces are arranged on the first side beams on two sides of the sleeper beam, and the second side beams are placed into the clamping pieces, so that the second side beams and the first side beams are in the same plane.
Further, when the side cross beam is welded to the side beam and the main beam, a plurality of connecting pieces are welded between the two side beams.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the two traction sleeper components are respectively hoisted to the two sleeper beam supporting frames and the two traction sleeper supporting frames, the traction sleeper supporting frames support the traction sleeper beams of the traction sleeper components, and the positioning pieces penetrate through the positioning holes of the sleeper beams, so that the center plate distance of the underframe can be ensured by setting the distance between the two sleeper beam supporting frames and positioning through the positioning pieces, the accuracy requirement can be met by the length of the underframe and the diagonal line of the underframe, the two main beams are arranged between the two limiting plates, the main beams are welded with the main beam supporting frames, the plurality of cross beams are welded with the two main beams, the two side beams are hoisted to the two side beam supporting plates and are welded with the side beam supporting plates, the side beams are welded with the side beams, and the main beams are set, the accuracy requirement can be met by setting the distance between the two limiting plates and the height of the side beam supporting plates, the dimensional accuracy of the underframe is ensured, and the production efficiency is improved.
Drawings
Fig. 1 is a front view of an underframe assembly fixture provided by an embodiment of the invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural view of a bolster support frame of the chassis assembly tooling of fig. 1;
fig. 4 is a schematic structural view of a main beam support frame of the chassis assembly tool in fig. 1.
Detailed Description
Referring to fig. 1 to 4, an underframe assembly tool provided in an embodiment of the present invention is characterized by comprising: the system comprises an assembly reference platform 1, two sleeper beam supporting frames 2, two traction beam supporting frames 3 and a plurality of main beam supporting frames 4.
The two traction beam support frames 3 are fixedly arranged on the assembly reference platform 1, and the two sleeper beam support frames 2 are arranged between the two traction beam support frames 3.
The two sleeper beam supporting frames 2 are fixedly arranged on the assembly reference platform 1, and the interval between the two sleeper beam supporting frames 2 is set.
The sleeper beam support frame 2 is provided with two positioning plates 5, the distance between the two positioning plates 5 is set, the positioning plates 5 are provided with two positioning pieces 6, and the distance between the two positioning pieces 6 is set.
The plurality of main beam support frames 4 are fixedly arranged on the assembly standard platform 1, and the plurality of main beam support frames 4 are arranged between the two sleeper beam support frames 2.
Two limiting plates 7 are arranged on the main beam supporting frame 4, and the distance between the two limiting plates 7 is set.
The girder support frame 4 is provided with two side girder support plates 8, and the height of the side girder support plates 8 is set.
According to the specific embodiment of the application, as the two traction sleeper components are respectively hoisted onto the two sleeper beam supporting frames 2 and the two traction sleeper supporting frames 3, the traction sleeper supporting frames 3 support the traction sleeper 10 of the traction sleeper components, the sleeper beam supporting frames 2 support the sleeper beams 11 of the traction sleeper components, and the positioning pieces 6 penetrate through the positioning holes of the sleeper beams 11, the center plate distance of the underframe can be ensured by setting the distance between the two sleeper beam supporting frames 2 and positioning through the positioning pieces 6, the accuracy requirements can be met by the length of the underframe and the diagonal line of the underframe, and as the two main girders 12 are hoisted onto the main girder supporting frames 4, the two main girders 12 are arranged between the two limiting plates 7, the main girders 12 are welded with the main girder supporting frames 4, the plurality of cross girders 14 are welded with the two main girders 12, the two side girders 13 are hoisted onto the two side girder supporting plates 8 and welded with the side girder supporting plates 8, and the side girders are welded with the side girders 13 and the main girders 12, the dimensional accuracy requirements can be ensured by setting the distance between the two limiting plates 7 and the height of the side girder supporting plates 8, and the accuracy requirements of the underframe can be ensured.
In the present embodiment, the positioning member 6 may be a positioning pin.
Specifically, the bolster support frame 2 includes: the first support 2-1 and the first support plate 2-2.
The first support plate 2-2 is fixedly arranged on the first support 2-1, and the first support plate 2-2 is supported by the first support 2-1.
The two positioning plates 5 are provided on the first support plate 2-2, and the two positioning plates 5 are supported by the first support plate 2-2.
Specifically, the locating plate 5 is perpendicular to the first supporting plate 2-2, and the two locating pieces 6 are arranged along the length direction of the locating plate 5, so that the locating precision is ensured.
Specifically, the main beam support frame 4 includes: the second support 4-1 and the second support plate 4-2.
The second support plate 4-2 is fixedly arranged on the second support 4-1, and the second support plate 4-2 is supported by the second support 4-1.
The two limiting plates 7 and the two side beam supporting plates 8 are arranged on the second supporting plate 4-2, the two limiting plates 7 are arranged between the two side beam supporting plates 8, and the two limiting plates 7 and the two side beam supporting plates 8 are supported through the second supporting plate 4-2.
Specifically, two backup plates 9 are arranged on the second support plate, the distance between the two backup plates 9 is set, the side parts of the backup plates 9 are fixedly connected with the end faces of the side beam support plates 8, which deviate from the limiting plates 7, and the height of the backup plates 9 is larger than that of the side beam support plates 8, so that the side beams 13 lean against the backup plates 9, the side beams 13 are positioned through the backup plates 9, and the width of the underframe is ensured.
Based on the same inventive concept, the application also provides an underframe assembly method comprising the following steps:
step S1, two traction sleeper components are respectively hoisted to two sleeper beam supporting frames 2 and two traction sleeper beam supporting frames 3, the traction sleeper beam supporting frames 3 support traction beams 10 of the traction sleeper components, the sleeper beam supporting frames 2 support sleeper beams 11 of the traction sleeper components, and positioning pieces 6 are arranged in positioning holes of the sleeper beams 11 in a penetrating mode.
And S2, hoisting the two main beams 12 to the main beam support frame 4, arranging the two main beams 12 between the two limiting plates 7, welding the main beams 12 with the limiting plates 7, and welding the main beams 12 with the main beam support frame 4. The welding is spot welding.
Step S3, welding the plurality of cross beams 14 to the two main beams 12. The welding is spot welding.
Step S4, the two side members 13 are hoisted to the two side member support plates 8 and welded to the side member support plates 8. The welding is spot welding.
And S5, welding the side cross beams with the side beams 13 and the main beams 12. The welding is spot welding.
Step S1 is described in detail.
When the positioning piece 6 is penetrated into the positioning hole of the sleeper beam 11, a plurality of welding process supports are welded on the assembly reference platform 1, and the welding process supports are welded with the sleeper beam 11 to fix the traction sleeper assembly.
Specifically, the lower plane of the lower cover plate of the traction beam 10 is attached to the traction beam support frame 3, and the side bearing surface of the lower cover plate of the sleeper beam 11 is attached to the positioning plate 5, so that the traction sleeper assembly is guaranteed to fall on the traction beam support frame 3 and the positioning plate 5.
Specifically, the main beam 12 is attached to the main beam supporting frame 4, so that the main beam 12 is ensured to be in place.
Specifically, the side member 13 is fitted to the side member support plate 8, ensuring that the side member 13 is in place.
Step S2 is described in detail.
When one girder 12 is hoisted to the girder supporting frame 4, the middle part of the girder 12 is pushed to the two ends of the girder 12, so that the girder 12 is attached to the backup plate 9, and the girder 12 is ensured to be in place.
When the main beam 12 is welded with the limiting plates 7, the middle part of the main beam 12 is welded to the two ends of the main beam in sequence, so that the internal stress can be eliminated, the straightness of the main beam 12 is ensured, and the welding deformation is eliminated. At the same time, the main beam 12 is welded to the floor of the sleeper beam 11.
Specifically, when the two side beams 13 are hoisted to the two side beam support plates 8, the movable gantry moves from the middle parts of the two side beams 13 to the end parts of the two side beams 13, so that the two side beams 13 are attached to the backup plates 9 of the main beam support frame 4, and two measurements 13 are guaranteed to be in place.
Specifically, after the welding of the plurality of cross beams 14 and the two main beams 12 is completed, the first side beams 15 on both sides of the sleeper beam 11 are provided with clamping pieces, and the second side beams 16 are placed in the clamping pieces, so that the second side beams 16 and the first side beams 15 are in the same plane, and the sleeper beam 11 is assembled.
Specifically, when the side cross members are welded to the side members 13 and the main members 12, a plurality of connecting members are welded between the two side members 13 to prevent shrinkage deformation during welding of the chassis.
In this embodiment, the connection member may be a process channel steel
Specifically, when the welding of the connecting piece is finished, the connecting piece is hung into the movable gantry at the two ends of the sleeper beam 11, and is pressed by a jack, so that the side bearing positioning surface is ensured to be gapless, and the underframe assembly is completed.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a chassis equipment frock which characterized in that includes: the system comprises an assembly reference platform, two sleeper beam supporting frames, two traction beam supporting frames and a plurality of main beam supporting frames;
the two traction beam support frames are fixedly arranged on the assembly reference platform, and the two sleeper beam support frames are arranged between the two traction beam support frames;
the two sleeper beam supporting frames are fixedly arranged on the assembly reference platform, and the interval between the two sleeper beam supporting frames is set;
the sleeper beam supporting frame is provided with two positioning plates, the distance between the two positioning plates is set, the positioning plates are provided with two positioning pieces, and the distance between the two positioning pieces is set;
the main beam support frames are fixedly arranged on the assembly standard platform, and are arranged between the two sleeper beam support frames;
two limiting plates are arranged on the main beam supporting frame, and the distance between the two limiting plates is set;
two side beam support plates are arranged on the main beam support frame, and the height of each side beam support plate is set.
2. The undercarriage assembly tooling of claim 1 wherein the bolster support frame comprises: a first bracket and a first support plate;
the first support plate is fixedly arranged on the first bracket;
the two positioning plates are arranged on the first supporting plate;
the locating plate is perpendicular to the first supporting plate, and the two locating pieces are arranged along the length direction of the locating plate.
3. The chassis assembly tooling of claim 1, wherein the main beam support frame comprises: the second bracket and the second supporting plate;
the second supporting plate is fixedly arranged on the second bracket;
the two limiting plates and the two side beam supporting plates are arranged on the second supporting plate, and the two limiting plates are arranged between the two side beam supporting plates.
4. The chassis assembly tooling of claim 3, wherein:
two backup plates are arranged on the second supporting plate, the distance between the two backup plates is set, the side parts of the backup plates are fixedly connected with the end faces of the side beam supporting plates, which deviate from the limiting plates, and the height of the backup plates is larger than that of the side beam supporting plates.
5. A chassis assembling method, characterized in that based on the chassis assembling tool according to any one of claims 1-4, the chassis assembling method comprises:
respectively hoisting two traction sleeper components onto two sleeper beam supporting frames and two traction sleeper beam supporting frames, wherein the traction sleeper beam supporting frames support traction beams of the traction sleeper components, the sleeper beam supporting frames support sleeper beams of the traction sleeper components, and positioning pieces penetrate through positioning holes of the sleeper beams;
hoisting two girders onto a girder support frame, arranging the two girders between two limiting plates, welding the girders with the limiting plates, and welding the girders with the girder support frame;
welding a plurality of cross beams with two main beams;
hoisting two side beams to two side beam support plates and welding the two side beam support plates with the side beam support plates;
and welding the side cross beams with the side beams and the main beams.
6. The chassis assembly method of claim 5, wherein:
the lower plane of the lower cover plate of the traction beam is attached to the traction beam supporting frame;
the side bearing surface of the lower cover plate of the sleeper beam is attached to the positioning plate;
the main beam is attached to the main beam supporting frame;
the side beam is attached to the side beam support plate.
7. The chassis assembly method of claim 5, wherein:
when the main beam is welded with the limiting plate, the middle part of the main beam is welded to the two ends of the main beam in sequence.
8. The chassis assembly method of claim 5, wherein:
when the two side beams are hoisted to the two side beam supporting plates, the middle parts of the two side beams act towards the end parts of the two side beams through the movable gantry, so that the two side beams are attached to the backup plates of the main beam supporting frame.
9. The chassis assembly method of claim 5, wherein:
and after the welding of the cross beams and the two main beams is finished, clamping pieces are arranged on the first side beams at two sides of the sleeper beam, and the second side beams are placed into the clamping pieces so that the second side beams and the first side beams are in the same plane.
10. The chassis assembly method of claim 5, wherein:
and when the side cross beams, the side beams and the main beams are welded, a plurality of connecting pieces are welded between the two side beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073527.1A CN114260634B (en) | 2022-01-21 | 2022-01-21 | Underframe assembling tool and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073527.1A CN114260634B (en) | 2022-01-21 | 2022-01-21 | Underframe assembling tool and assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114260634A CN114260634A (en) | 2022-04-01 |
| CN114260634B true CN114260634B (en) | 2023-07-25 |
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ID=80833240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210073527.1A Active CN114260634B (en) | 2022-01-21 | 2022-01-21 | Underframe assembling tool and assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114260634B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101219B (en) * | 2010-12-14 | 2013-07-10 | 南车南京浦镇车辆有限公司 | Production method of chassis of railway vehicle |
| CN202411708U (en) * | 2011-11-30 | 2012-09-05 | 株洲联诚集团有限责任公司 | Replaceable assembly welding tool for subway end part bottom frame |
| JP6534938B2 (en) * | 2016-01-20 | 2019-06-26 | 日立Ｇｅニュークリア・エナジー株式会社 | Lining plate installation and rain curing jig and lining plate installation method using the jig |
| JP6098966B1 (en) * | 2016-10-13 | 2017-03-22 | 克 中里 | Large drawing arrangement tool set, large drawing arrangement tool kit and large drawing arrangement method |
| CN210172894U (en) * | 2019-06-17 | 2020-03-24 | 中车石家庄车辆有限公司 | Draw beam assembly welding frock |
| CN212529631U (en) * | 2020-06-30 | 2021-02-12 | 中车齐齐哈尔车辆有限公司 | Container car automobile body and container car |
| CN112077511B (en) * | 2020-09-03 | 2022-08-02 | 中车长春轨道客车股份有限公司 | Assembly welding tool for large part of underframe of railway vehicle |
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- 2022-01-21 CN CN202210073527.1A patent/CN114260634B/en active Active
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