CN221539522U - Track passenger train traction beam processing positioning fixture - Google Patents
Track passenger train traction beam processing positioning fixture Download PDFInfo
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- CN221539522U CN221539522U CN202323330244.XU CN202323330244U CN221539522U CN 221539522 U CN221539522 U CN 221539522U CN 202323330244 U CN202323330244 U CN 202323330244U CN 221539522 U CN221539522 U CN 221539522U
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- 229910003460 diamond Inorganic materials 0.000 claims abstract description 18
- 239000010432 diamond Substances 0.000 claims abstract description 18
- 238000003754 machining Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of machining and discloses a positioning fixture for machining a traction beam of a railway carriage, which comprises a bottom plate, wherein traction Liang Gongzhuang is arranged on the bottom plate, and the traction Liang Gongzhuang comprises a first vertical plate and a second vertical plate; the upper parts of the first vertical plate and the second vertical plate are respectively provided with a pressing plate, the pressing plates are connected with the corresponding vertical plates through vertical screws, and the upper ends of the vertical screws are in threaded connection with locking nuts; the upper surface of the first vertical plate is provided with a diamond pin and a first cushion block, the upper surface of the second vertical plate is provided with a cylindrical pin and a second cushion block, and the diamond pin and the cylindrical pin as well as the first cushion block and the second cushion block are respectively distributed diagonally; two elastic floating supports are fixed on the upper surface of the bottom plate between the first vertical plate and the second vertical plate. The utility model can lead the positioning operation of the traction beam of the railway carriage to be simple, save time and labor and improve the processing efficiency; and can pull Liang Laogu clamping with the track passenger train, improve the accuracy of track passenger train traction beam processing, improve the product percent of pass.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a positioning fixture for machining a traction beam of a railway carriage.
Background
The bogie has the functions of increasing the load, length and volume of the vehicle, improving the running speed of the train, and reducing vibration and improving the stability and safety of wheels by being supported by the bogie when the vehicle body sits on the bogie. The traction beam is an important component of the bogie, is positioned at two ends of the underframe of the vehicle body, and mainly serves to install a traction buffer device, transmit traction force and braking force and bear certain impact force. The traction beam is a main stressed piece connected with the middle beam of the train, is mainly used for locomotive underframe components and is used for transmitting longitudinal tensile or compressive load of a locomotive or a track engineering vehicle.
The existing traction beam is shown in fig. 1, and the assembly part of the existing traction beam is a bogie frame; the device is matched with a center pin for use, and is connected with a vehicle body and a bogie to play roles in fixing and towing the vehicle body; the application vehicle type is CR300BF, CR400BF, etc. In the course of working this traction beam, need be applied to corresponding processing positioning fixture, but present traditional positioning fixture is for adopting vice centre gripping location, and in the positioning process, need processes such as marking out, alignment, location complex operation is wasted time and energy, machining efficiency is low.
Therefore, a new track passenger car traction beam machining positioning fixture is necessary to be designed, so that heavy workload of operators is reduced, products can be safely and stably machined, machining can be completed at one time, human midway intervention is avoided, and product quality and efficiency are improved.
Disclosure of utility model
In view of the above, the utility model provides a track passenger car traction beam processing and positioning clamp, which has the following specific technical scheme:
The traction beam machining and positioning fixture for the railway passenger car comprises a bottom plate, wherein traction Liang Gongzhuang is arranged on the bottom plate, the traction Liang Gongzhuang comprises a first vertical plate and a second vertical plate which are fixed in a facing manner on the left side and the right side of the upper surface of the bottom plate, and the height of the first vertical plate on the left side is lower than that of the second vertical plate on the right side; the upper parts of the first vertical plate and the second vertical plate are respectively provided with a pressing plate, the pressing plates are connected with the corresponding vertical plates through vertical screws, and the upper ends of the vertical screws are in threaded connection with locking nuts; the upper surface of the first vertical plate is provided with a diamond pin and a first cushion block, the diamond pin and the first cushion block are respectively arranged at two sides corresponding to the vertical screw rod, the upper surface of the second vertical plate is provided with a cylindrical pin and a second cushion block, the cylindrical pin and the second cushion block are also respectively arranged at two sides corresponding to the vertical screw rod, and the diamond pin, the cylindrical pin, the first cushion block and the second cushion block are respectively arranged diagonally; two elastic floating supports are fixed on the upper surface of the bottom plate between the first vertical plate and the second vertical plate.
Preferably, the vertical screw rod passes through the middle position of the pressing plate, and the lower end of the vertical screw rod is arranged in the assembly hole which corresponds to the middle position on the vertical plate.
Preferably, a first sleeve on the left side of the traction beam is matched with the diamond pin, and the bottom end of a second sleeve on the left side of the traction beam is supported by the first cushion block; and the third sleeve on the right side of the traction beam is matched with the cylindrical pin, and the bottom end of the fourth sleeve on the right side of the traction beam is supported by the second cushion block.
Preferably, the first cushion block and the second cushion block are both cylindrical structures.
Preferably, the top end of the elastic floating support is tightly propped against the arc surface between the left sleeve and the right sleeve of the traction beam.
Preferably, two or more sets of traction Liang Gongzhuang are mounted side by side on the base plate.
During assembly, corresponding sleeves at the left side and the right side of the traction Liang Gongjian are respectively matched with the diamond pins and the cylindrical pins, so that the angular positioning and the origin of a workpiece are determined; and then the pressing plate is compressed by means of a vertical screw and a matched locking nut, and finally two elastic floating supports are utilized for elastic auxiliary supporting. Compared with the prior art, the positioning fixture for machining the traction beam of the railway carriage can determine the XYZ circle center of a workpiece by the diamond pin and the cylindrical pin, and the two elastic floating supports can enable the workpiece to be more stable and not vibrate during machining.
The processing positioning fixture can enable the positioning operation of the traction beam of the railway carriage to be simple, save time and labor and improve the processing efficiency; and can pull Liang Laogu clamping with the track passenger train, improve the accuracy of track passenger train traction beam processing, improve the product percent of pass.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a traction beam of a railway carriage.
Fig. 2 is a schematic structural diagram of a positioning fixture (non-clamping traction Liang Gongjian) for machining a traction beam of a railway carriage in an embodiment.
Fig. 3 is a schematic structural diagram of a positioning fixture (clamping traction Liang Gongjian) for machining a traction beam of a railway carriage in one embodiment.
Fig. 4 is a schematic structural diagram II of a positioning fixture (clamping traction Liang Gongjian) for machining a traction beam of a railway carriage in an embodiment.
In the figure: 1-bottom plate, 2-first riser, 3-second riser, 4-clamp plate, 5-vertical screw, 6-lock nut, 7-diamond pin, 8-first cushion, 9-cylindric lock, 10-second cushion, 11-elasticity floating support, 12-pull Liang Gongjian, 13-first sleeve pipe, 14-second sleeve pipe, 15-third sleeve pipe, 16-fourth sleeve pipe.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples:
The utility model discloses a processing and positioning fixture for a traction beam of a railway passenger car, which comprises a bottom plate 1, wherein a traction beam tool is arranged on the bottom plate 1.
In particular, the method comprises the steps of,
The traction Liang Gongzhuang includes a first riser 2 and a second riser 3 fixed opposite to each other on the left and right sides of the upper surface of the base plate 1, and the first riser 2 on the left side has a lower height than the second riser 3 on the right side to adapt to the structure of the traction Liang Gongjian 12 shown in fig. 1.
The top of first riser 2 and second riser 3 all is equipped with clamp plate 4, and clamp plate 4 is connected with the riser that corresponds through vertical screw rod 5, and clamp plate 4 activity suit is on vertical screw rod 5, and the upper end threaded connection lock nut 6 of vertical screw rod 5 realizes the clamp plate 4 to compressing tightly and unclamping the work piece through rotatory lock nut 6 adjusting the distance between clamp plate 4 and the riser upper surface.
The upper surface mounting of first riser 2 has diamond pin 7 and first cushion 8, and diamond pin 7 and first cushion 8 divide to locate the both sides that correspond vertical screw rod 5, the upper surface mounting of second riser 3 has cylindric lock 9 and second cushion 10, and cylindric lock 9 and second cushion 10 also divide to locate the both sides that correspond vertical screw rod 5, diamond pin 7 and cylindric lock 9, first cushion 8 and second cushion 10 are the diagonal angle respectively and lay, cylindric lock 9 is used for confirming the origin of work piece, diamond pin 7 is used for carrying out the angular positioning to the work piece, the two cooperation uses, can confirm the XYZ centre of a circle of work piece.
In a further specific embodiment, the vertical screw 5 passes through the middle position of the pressing plate 4, and the lower end of the vertical screw 5 is installed in an assembly hole (the vertical screw 5 and the vertical plate can be fixedly connected or detachably connected by screw threads) on the corresponding vertical plate at the middle position.
The first sleeve 13 on the left side of the traction beam is matched with the diamond pin 7, and the bottom end of the second sleeve 14 on the left side is supported by the first cushion block 8; the third sleeve 15 on the right side of the traction beam is matched with the cylindrical pin 9, and the bottom end of the fourth sleeve 16 on the right side is supported by the second cushion block 10.
Further, the first cushion block 8 and the second cushion block 10 are cylindrical structures, so as to adapt to the corresponding sleeve structures on the supporting traction Liang Gongjian.
Two elastic floating supports 11 are fixed on the upper surface of the bottom plate 1 between the first vertical plate 2 and the second vertical plate 3.
The top end of the elastic floating support 11 is tightly propped against the arc surface between the left sleeve and the right sleeve of the traction beam, so that a workpiece is more stable during processing and a cutter is not vibrated. The elastic floating support 11 used in the present utility model belongs to the prior art, and the specific structure thereof is referred to as CN200974176Y, and the utility model patent named floating support device will not be described in detail herein.
In practice, two or more sets of traction Liang Gongzhuang may be installed on the base plate 1 side by side, so that two or more workpieces may be processed at a time, in this embodiment, as shown in fig. 2 to fig. 4, two sets of traction Liang Gongzhuang are installed on the base plate 1 side by side, so as to improve the processing efficiency.
When the utility model is used, the corresponding sleeves at two sides of the traction Liang Gongjian are respectively matched with the diamond pins 7 and the cylindrical pins 9 on the traction beam tool, and the other two sleeves are aligned with the first cushion block 8 and the second cushion block 10 so as to determine the angular direction and the origin coordinates of the workpiece; after the workpiece is installed, the two pressing plates 4 are pressed, and finally the elastic floating support 11 is sprung up to be contacted with the corresponding part of the traction beam, so that the production and the processing can be carried out after confirming the operation.
If two sets of traction Liang Gongzhuang are arranged on the bottom plate 1, the two traction beam workpieces 12 are positioned and clamped according to the method, and then the production and the processing are carried out at the same time.
The clamp is used for realizing blank positioning and clamping processing by utilizing a machine tool to control the movement of a clamp component when the traction beam is processed by the vertical processing center, realizing multi-procedure set and one-step set, reducing the heavy workload of an operator, safely and stably processing products, completing processing once, avoiding human midway intervention, improving the processing quality and efficiency of the traction beam, shortening the processing time of parts and ensuring the quality of the products.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a track passenger train traction beam processing positioning fixture, includes the bottom plate, install on the bottom plate and pull Liang Gongzhuang, its characterized in that, pull Liang Gongzhuang include on the left and right sides of bottom plate upper surface opposite fixed first riser and second riser, the height of the first riser that is located the left side is less than the second riser that is located the right side; the upper parts of the first vertical plate and the second vertical plate are respectively provided with a pressing plate, the pressing plates are connected with the corresponding vertical plates through vertical screws, and the upper ends of the vertical screws are in threaded connection with locking nuts; the upper surface of the first vertical plate is provided with a diamond pin and a first cushion block, the diamond pin and the first cushion block are respectively arranged at two sides corresponding to the vertical screw rod, the upper surface of the second vertical plate is provided with a cylindrical pin and a second cushion block, the cylindrical pin and the second cushion block are also respectively arranged at two sides corresponding to the vertical screw rod, and the diamond pin, the cylindrical pin, the first cushion block and the second cushion block are respectively arranged diagonally; two elastic floating supports are fixed on the upper surface of the bottom plate between the first vertical plate and the second vertical plate.
2. The positioning fixture for machining the traction beam of the railway carriage according to claim 1, wherein the vertical screw rod penetrates through the middle position of the pressing plate, and the lower end of the vertical screw rod is installed in the assembly hole which corresponds to the middle position on the vertical plate.
3. The positioning fixture for machining the traction beam of the railway carriage according to claim 1, wherein a first sleeve on the left side of the traction beam is matched with the diamond-shaped pin, and the bottom end of a second sleeve on the left side of the traction beam is supported by the first cushion block; and the third sleeve on the right side of the traction beam is matched with the cylindrical pin, and the bottom end of the fourth sleeve on the right side of the traction beam is supported by the second cushion block.
4. The positioning fixture for machining a traction beam of a railway carriage according to claim 3, wherein the first cushion block and the second cushion block are of cylindrical structures.
5. A positioning fixture for machining a traction beam of a railway carriage according to claim 3, wherein the top end of the elastic floating support is tightly pressed against the arc surface between the left sleeve and the right sleeve of the traction beam.
6. A rail car draft sill processing positioning fixture according to any of claims 1-5 wherein two or more sets of draft tubes Liang Gongzhuang are mounted side by side on said base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323330244.XU CN221539522U (en) | 2023-12-07 | 2023-12-07 | Track passenger train traction beam processing positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323330244.XU CN221539522U (en) | 2023-12-07 | 2023-12-07 | Track passenger train traction beam processing positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221539522U true CN221539522U (en) | 2024-08-16 |
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ID=92226634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323330244.XU Active CN221539522U (en) | 2023-12-07 | 2023-12-07 | Track passenger train traction beam processing positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221539522U (en) |
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2023
- 2023-12-07 CN CN202323330244.XU patent/CN221539522U/en active Active
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