CN111252105A - Plug-in type adjustable framework connecting structure and method for rail engineering vehicle - Google Patents
Plug-in type adjustable framework connecting structure and method for rail engineering vehicle Download PDFInfo
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- CN111252105A CN111252105A CN202010071302.3A CN202010071302A CN111252105A CN 111252105 A CN111252105 A CN 111252105A CN 202010071302 A CN202010071302 A CN 202010071302A CN 111252105 A CN111252105 A CN 111252105A
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- vehicle body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
- B61F1/14—Attaching or supporting vehicle body-structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
Abstract
The invention discloses a plug-in type adjustable framework connecting structure for a rail engineering truck, which comprises a fixed connecting part, a front connecting part and a rear connecting part, wherein the fixed connecting part is used for connecting the tail end of a welding framework of a truck body on the front side; an embedded connection part connected to a side surface of the fixed connection part; a U-shaped connecting part for connecting the front end of the vehicle body welding framework positioned at the rear side; the U-shaped connecting part is U-shaped, the closed end of the U-shaped connecting structure is used for being connected with the front end of a welding framework of the automobile body on the rear side, the width of the open end of the U-shaped connecting structure is smaller than that of the fixed connecting part, and the embedded connecting part can be embedded in the U-shaped connecting structure and can slide. By applying the invention to the integral vehicle body framework structure, the technical parameters of the integral vehicle body welding bone framework, such as integral length, height and the like, caused by tolerance accumulation in the actual production process can be adjusted within a certain range.
Description
Technical Field
The invention relates to the field of rail vehicles, in particular to a plug-in type adjustable framework connecting structure and a method for a rail engineering vehicle.
Background
Along with the more and more generalization of subway trip modes, the requirements on safe and reliable operation of subway vehicles are higher and higher, so that the rail engineering vehicle is taken as a necessary product of each subway company, and simultaneously, along with the explosive growth of rail transit construction in each region, the requirements on the rail engineering vehicle are increased. The production efficiency of the rail machineshop truck becomes crucial.
The inventor finds that the overall length and height of the welding skeleton of the railway engineering vehicle body cannot be effectively controlled due to tolerance accumulation in the actual production process, the difficulty becomes a bottleneck restricting the production efficiency, the process adjustability of the welding skeleton of the vehicle body is poor, the process cost is relatively high, and the appearance quality and key technical parameters of the overall vehicle body skeleton cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a plug-in type adjustable framework connecting structure and a method for a rail engineering vehicle, aiming at overcoming the defects of the existing rail engineering vehicle in the manufacturing process.
The invention aims to provide a plug-in type adjustable framework connecting structure for a rail engineering truck.
The second objective of the present invention is to provide a method for connecting a plug-in type adjustable frame for a rail engineering vehicle.
In order to realize the purpose, the invention discloses the following technical scheme:
in a first aspect, the invention discloses a plug-in type adjustable framework connecting structure for a rail engineering truck, which is characterized by comprising,
a fixed connection portion for connecting a distal end of a vehicle body welding skeleton on a front side;
an embedded connection part connected to a side surface of the fixed connection part;
a U-shaped connecting part for connecting the front end of the vehicle body welding framework positioned at the rear side;
the U-shaped connecting part is U-shaped, the closed end of the U-shaped connecting structure is used for being connected with the front end of a welding framework of the automobile body on the rear side, the width of the open end of the U-shaped connecting structure is smaller than that of the fixed connecting part, and the embedded connecting part can be embedded in the U-shaped connecting structure and can slide.
Further, the fixed connecting part and the embedded connecting part are square pipes.
Further, the height of the fixed connecting part is smaller than the thickness of the welding framework of the vehicle body.
Further, the height of the embedded connecting portion is smaller than that of the fixed connecting portion, and the embedded connecting portion is connected to the middle of the side face of the fixed connecting portion.
Further, the central axis of the embedded connecting portion and the central axis of the fixed connecting portion are located on the same horizontal plane.
Further, the height of the U-shaped connecting part is smaller than the thickness of the welding framework of the vehicle body.
Further, the vertical cross sections of the fixed connecting part and the embedded connecting part are rectangular or rounded rectangle.
In a second aspect, the invention discloses a plug-in type adjustable framework connecting method for a rail engineering truck, which comprises the following steps:
1) connecting a first square steel pipe as a fixed connecting part at the tail end of the first group of vehicle body welding frameworks, and connecting a second square steel pipe as an embedded connecting part at the outer side surface of the first square steel pipe;
2) the front end of a second group of vehicle body welding frameworks adjacent to the first group of vehicle body welding frameworks is connected with U-shaped steel, and the tail end of the second group of vehicle body welding frameworks is connected with a first square steel pipe to be used as a fixed connecting part;
3) the third group, the fourth group and the nth group of vehicle body welding frameworks are all connected with a first square steel pipe, a second square steel pipe and U-shaped steel;
when the plurality of groups of vehicle body welding frameworks are connected, the U-shaped steel of the vehicle body welding framework positioned on the rear side is clamped to the second square steel pipe of the vehicle body welding framework positioned on the front side.
Furthermore, the first square steel pipe and the welding framework of the vehicle body, the first square steel pipe and the second square steel pipe and the U-shaped connecting part and the welding framework of the vehicle body are connected in a welding mode.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention solves the problem that the overall length and height of the welding skeleton of the railway engineering vehicle body can not be effectively controlled due to tolerance accumulation in the actual production and manufacturing process, and through the application of the connecting structure on the overall vehicle body skeleton structure, the technical parameters of the overall length, height and the like of the welding skeleton of the overall vehicle body due to tolerance accumulation in the actual production process can be adjusted within a certain range, key technical parameters are effectively controlled, the process cost is obviously reduced, and the process adjustability and the appearance quality of the welding skeleton of the overall vehicle body are fully ensured.
2) In the invention, the used connecting parts are all existing parts and are simply and conveniently connected with the welding framework of the rail engineering vehicle body.
3) The invention keeps the slidable function in the Y direction between the U-shaped connecting part and the embedded connecting part, and simultaneously fixes the position of the adjacent welding frame of the vehicle body in the X direction.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Figure 1 is a top view of the embodiment 1,
FIG. 2 is a vertical sectional view of embodiment 1.
In the figure, 1, a fixed connecting part, 2, an embedded connecting part and 3 are U-shaped connecting parts.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", etc., are only used for descriptive purposes and are not intended to indicate or imply relative importance.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background art, the present invention aims to provide a plug-in type adjustable frame connection structure and method for a railway engineering vehicle, which can adjust the technical parameters such as the overall length and height of an overall vehicle body welding frame caused by tolerance accumulation in the actual production process within a certain range by applying the connection structure to an overall vehicle body frame structure, and the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
A plug-in type adjustable framework connecting structure for a rail engineering vehicle is characterized by comprising,
a fixed connection part 1 for connecting the distal end of a vehicle body welding skeleton on the front side;
an embedded connection part 2 connected to a side surface of the fixed connection part 1;
a U-shaped connecting portion 3 for connecting the front end of the vehicle body welding frame located on the rear side;
the U-shaped connecting portion 3 is U-shaped, the closed end of the U-shaped connecting structure is used for being connected with the front end of a welding framework of the vehicle body located on the rear side, the width of the open end of the U-shaped connecting structure is smaller than that of the fixed connecting portion 1, please refer to fig. 1, and the embedded connecting portion 2 can be embedded inside the U-shaped connecting structure and can slide in the Y direction.
The Y direction in the present embodiment is the vertical direction in fig. 1, and the X direction in the present embodiment is the horizontal direction in fig. 1; the front end, the tail end, the front side and the back side in the embodiment are relative to the front and the back of the station.
It can be understood that, in this embodiment, the vehicle body welding framework refers to a framework for supporting a vehicle body through welding connection, gas shielded welding is generally adopted for vehicle body framework welding, in framework welding, main connection forms of steel pipes are T-shaped joints and butt joints, welding seams are fillet welds and I-shaped welds, and welding wires with a diameter of 0.8mm are generally adopted.
The skeleton can make the skeleton produce deformation because welding current's influence at the in-process of welded, and its concrete principle is no longer repeated, and it has two kinds of forms, and firstly wholly warp, and secondly local deformation, both can make the accumulation of tolerance appear in the in-process of the final concatenation of single skeleton, influence the equipment precision.
Through the application of the structure disclosed by the embodiment to the integral automobile body framework structure, the technical parameters such as the integral length, the height and the like of the integral automobile body welding framework caused by tolerance accumulation in the actual production process can be adjusted within a certain range, the key technical parameters are effectively controlled, the process cost is obviously reduced, and the process adjustability and the appearance quality of the integral automobile body welding framework are fully ensured.
The fixed connecting part 1 and the embedded connecting part 2 are square pipes, wherein the adopted square pipes are different in specification, but the adopted square pipes are the same in length.
The height of the fixed connecting part 1 is smaller than the thickness of a welding framework of the vehicle body, so that welding is facilitated.
The height of the embedded connecting part 2 is smaller than that of the fixed connecting part 1, and the embedded connecting part 2 is connected to the middle position of the side face of the fixed connecting part 1.
The central axis of the embedded connecting part 2 and the central axis of the fixed connecting part 1 are positioned on the same horizontal plane.
The height of the U-shaped connecting part 3 is smaller than the thickness of a welding framework of the vehicle body.
The vertical cross sections of the fixed connecting part 1 and the embedded connecting part 2 are rectangular or rounded rectangle.
Example 2
A plug-in type adjustable framework connecting method for a rail engineering truck comprises the following steps:
1) connecting a first square steel pipe as a fixed connecting part 1 at the tail end of the first group of vehicle body welding frameworks, and connecting a second square steel pipe as an embedded connecting part 2 at the outer side surface of the first square steel pipe;
2) the front end of a second group of vehicle body welding frameworks adjacent to the first group of vehicle body welding frameworks is connected with U-shaped steel, and the tail end of the second group of vehicle body welding frameworks is connected with a first square steel pipe to be used as a fixed connecting part 1;
3) the third group, the fourth group and the nth group of vehicle body welding frameworks are all connected with a first square steel pipe, a second square steel pipe and U-shaped steel;
when the plurality of groups of vehicle body welding frameworks are connected, the U-shaped steel of the vehicle body welding framework positioned on the rear side is clamped to the second square steel pipe of the vehicle body welding framework positioned on the front side.
And the first square steel pipe and the vehicle body welding framework are connected in a welding manner, the first square steel pipe and the second square steel pipe are connected in a welding manner, and the U-shaped connecting part 3 and the vehicle body welding framework are connected in a welding manner.
In the embodiment, the welding connection adopts gas shielded welding with a welding wire with the diameter of 0.8 mm.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A plug-in type adjustable framework connecting structure for a rail engineering vehicle is characterized by comprising,
a fixed connection portion for connecting a distal end of a vehicle body welding skeleton on a front side;
an embedded connection part connected to a side surface of the fixed connection part;
a U-shaped connecting part for connecting the front end of the vehicle body welding framework positioned at the rear side;
the U-shaped connecting part is U-shaped, the closed end of the U-shaped connecting structure is used for being connected with the front end of a welding framework of the automobile body on the rear side, the width of the open end of the U-shaped connecting structure is smaller than that of the fixed connecting part, and the embedded connecting part can be embedded in the U-shaped connecting structure and can slide.
2. The plug-in type adjustable skeleton connecting structure for the rail engineering truck as claimed in claim 1, wherein the fixed connecting part and the embedded connecting part are square pipes.
3. The plug-in type adjustable framework connection structure for the rail engineering truck as claimed in claim 2, wherein the height of the fixed connection part is smaller than the thickness of a welding framework of the truck body.
4. The plug-in type adjustable skeleton connection structure for the rail engineering truck as claimed in claim 2, wherein the height of the embedded connection part is smaller than that of the fixed connection part, and the embedded connection part is connected to a middle position of a side surface of the fixed connection part.
5. The plug-in type adjustable skeleton connection structure for the rail engineering truck as claimed in claim 4, wherein the central axis of the embedded connection portion and the central axis of the fixed connection portion are located on the same horizontal plane.
6. The plug-in type adjustable framework connecting structure for the rail engineering truck as claimed in claim 1, wherein the height of the U-shaped connecting part is smaller than the thickness of a welding framework of a truck body.
7. The plug-in type adjustable skeleton connecting structure for the rail engineering truck as claimed in claim 1, wherein the vertical cross-sections of the fixed connecting part and the embedded connecting part are rectangular or rounded rectangular.
8. A plug-in type adjustable framework connecting method for a rail engineering truck is characterized by comprising the following steps:
1) connecting a first square steel pipe as a fixed connecting part at the tail end of the first group of vehicle body welding frameworks, and connecting a second square steel pipe as an embedded connecting part at the outer side surface of the first square steel pipe;
2) the front end of a second group of vehicle body welding frameworks adjacent to the first group of vehicle body welding frameworks is connected with U-shaped steel, and the tail end of the second group of vehicle body welding frameworks is connected with a first square steel pipe to be used as a fixed connecting part;
3) the third group, the fourth group and the nth group of vehicle body welding frameworks are all connected with a first square steel pipe, a second square steel pipe and U-shaped steel;
when the plurality of groups of vehicle body welding frameworks are connected, the U-shaped steel of the vehicle body welding framework positioned on the rear side is clamped to the second square steel pipe of the vehicle body welding framework positioned on the front side.
9. The method for connecting the plug-in type adjustable framework for the rail engineering vehicle according to claim 8, wherein the first square steel tube and the welding framework of the vehicle body, the first square steel tube and the second square steel tube, and the U-shaped connecting part and the welding framework of the vehicle body are connected by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010071302.3A CN111252105B (en) | 2020-01-21 | 2020-01-21 | Plug-in type adjustable framework connecting structure and method for rail engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010071302.3A CN111252105B (en) | 2020-01-21 | 2020-01-21 | Plug-in type adjustable framework connecting structure and method for rail engineering vehicle |
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| CN111252105A true CN111252105A (en) | 2020-06-09 |
| CN111252105B CN111252105B (en) | 2021-03-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203186428U (en) * | 2013-03-11 | 2013-09-11 | 苏州市奥杰汽车技术有限公司 | Connecting structure of body frame and underframe |
| CN203835888U (en) * | 2013-12-20 | 2014-09-17 | 伍鐌科技股份有限公司 | Buckle type connecting piece |
| CN206029098U (en) * | 2016-06-15 | 2017-03-22 | 江阴戎辉机械设备制造有限公司 | Frock is assembled to frame |
| CN207482013U (en) * | 2017-11-30 | 2018-06-12 | 奇瑞万达贵州客车股份有限公司 | A kind of half bearing-type pure electric coach vehicle body and the connection structure on chassis |
| CN207697664U (en) * | 2017-10-27 | 2018-08-07 | 华晨汽车集团控股有限公司 | Cornice strengthening structure before a kind of automobile |
| CN108448278A (en) * | 2018-05-18 | 2018-08-24 | 吴通控股集团股份有限公司 | A kind of frame-type connection structure |
-
2020
- 2020-01-21 CN CN202010071302.3A patent/CN111252105B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203186428U (en) * | 2013-03-11 | 2013-09-11 | 苏州市奥杰汽车技术有限公司 | Connecting structure of body frame and underframe |
| CN203835888U (en) * | 2013-12-20 | 2014-09-17 | 伍鐌科技股份有限公司 | Buckle type connecting piece |
| CN206029098U (en) * | 2016-06-15 | 2017-03-22 | 江阴戎辉机械设备制造有限公司 | Frock is assembled to frame |
| CN207697664U (en) * | 2017-10-27 | 2018-08-07 | 华晨汽车集团控股有限公司 | Cornice strengthening structure before a kind of automobile |
| CN207482013U (en) * | 2017-11-30 | 2018-06-12 | 奇瑞万达贵州客车股份有限公司 | A kind of half bearing-type pure electric coach vehicle body and the connection structure on chassis |
| CN108448278A (en) * | 2018-05-18 | 2018-08-24 | 吴通控股集团股份有限公司 | A kind of frame-type connection structure |
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| CN111252105B (en) | 2021-03-23 |
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