CN211136378U - Freight train tail frame is to hole machining frock - Google Patents
Freight train tail frame is to hole machining frock Download PDFInfo
- Publication number
- CN211136378U CN211136378U CN201922303488.6U CN201922303488U CN211136378U CN 211136378 U CN211136378 U CN 211136378U CN 201922303488 U CN201922303488 U CN 201922303488U CN 211136378 U CN211136378 U CN 211136378U
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- support
- face
- plate
- fastening bolt
- tail frame
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Abstract
The utility model discloses a freight train tail frame is to hole processing frock, including bottom plate and the riser of relative fixation in the bottom plate left and right sides, be provided with the support between the riser of both sides, the left and right sides of this support is fixed with the pivot and through this pivot with the riser swivelling joint, wear to be equipped with in the lateral surface of two the riser and be used for fixing the locking round pin of support position, set up in the corresponding position of support with the locking round pin matched with a plurality of locating holes; the left side surface of the support is respectively fixed with a plurality of end surface positioning pins and at least two end surface fixing mechanisms, the bottom of the support is respectively provided with a positioning column, a longitudinal fastening bolt and an adjusting bolt from left to right, and the center of the support is provided with a blanking hole. The labor intensity of workers is reduced, and the safety is high; the production efficiency is effectively improved, the positioning of the workpiece is more accurate, and the coaxiality of the two connecting holes is ensured.
Description
Technical Field
The utility model relates to train tail frame processing technology field, concretely relates to freight transportation train tail frame is to hole processing frock.
Background
The coupler buffer device is a device which is used for connecting a vehicle and a vehicle (or a locomotive) mutually in a railway vehicle, drawing and relieving impact force during train operation and the like, and comprises parts such as a tail frame, a buffer, a slave plate, a coupler yoke, a coupler body and the like. The tail frame is an important part of the coupler buffer device and is a key part for installing slave plates, buffers and bearing the traction force of train vehicles.
Because the tail frame is structurally required to be a U-shaped frame structure, connecting holes are required to be processed on two sides of the tail frame during production, and the connecting holes on the two sides are arranged oppositely, in the traditional technology, after the connecting hole on one side is drilled, the tail frame is turned to the other side by manpower, and then the tail frame is drilled, so that the labor intensity of workers is high, the risk of injury by crashing is caused, and industrial accidents are easy to occur; and the re-clamping takes longer time, the efficiency is lower, the repeated positioning is easy to deviate, and the coaxiality of the two connecting holes is not easy to guarantee.
Disclosure of Invention
The utility model aims at providing a not enough to prior art, the utility model aims at providing a freight transportation train tail frame is to hole processing frock, this frock simple structure, location are accurate, machining efficiency is high, can effectively reduce intensity of labour, guarantee processingquality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a freight transportation train tail frame is to hole processing frock which the key lies in: the support is arranged between the vertical plates on the two sides, rotating shafts are fixed on the left side and the right side of the support and are rotationally connected with the vertical plates through the rotating shafts, locking pins for fixing the positions of the support penetrate through the outer side surfaces of the two vertical plates, and a plurality of positioning holes matched with the locking pins are formed in corresponding positions of the support;
A plurality of end face positioning pins and at least two end face fixing mechanisms are respectively fixed on the left side face of the support, the axial lead of each end face positioning pin is perpendicular to the left side face of the support, each end face fixing mechanism comprises an end face fixing plate and an end face fastening bolt, a strip-shaped hole for the end face fastening bolt to pass through is formed in each end face fixing plate, the left end part of each end face fastening bolt is perpendicularly connected with the left side face of the support, a nut matched with the end face fastening bolt penetrates through the strip-shaped hole after the right end part of each end face fastening bolt passes through the strip-shaped hole, and a spring penetrates through each end face fastening bolt between the left side face of the support and the end face;
The bottom of the support is provided with a positioning column, a longitudinal fastening bolt and an adjusting bolt from left to right, the positioning column is matched with the adjusting bolt so as to position a workpiece, and a blanking hole is formed in the center of the support.
Further, the support include with bottom plate parallel arrangement's horizontal board both ends all are connected with vertical plate perpendicularly about the horizontal board, the cross-section after horizontal board is connected with vertical plate is the H type the upper surface of horizontal board sets up reference column, vertical fastening bolt and adjusting bolt.
Further, a first reinforcing plate is connected between the bottom of the transverse plate and the vertical plate.
Furthermore, the first reinforcing plate is a right-angle triangular plate, and two right-angle sides of the first reinforcing plate are respectively connected with the transverse plate and the longitudinal plate.
Furthermore, the longitudinal fastening bolt comprises a bolt body, a limiting part is arranged at the lower end of the bolt body, the diameter of the limiting part is larger than that of the bolt body, and a fastening nut with a pressing surface is connected to the upper part of the bolt body in a threaded manner.
Furthermore, a second reinforcing plate is connected between the outer side face of the vertical plate and the bottom plate, and the second reinforcing plate is respectively arranged on the front side and the rear side of the bottom plate.
The utility model discloses a show the effect and be: the structure is simple, the operation is convenient, two connecting holes can be machined by clamping at one time in a turnover mode, the phenomenon that a workpiece is turned to the other side to be machined by manpower in the traditional technology is avoided, the labor intensity of the manpower is reduced, and the safety is high; meanwhile, repeated clamping is not needed, the production efficiency is effectively improved, the positioning of the workpiece is more accurate, and the coaxiality of the two connecting holes is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
Fig. 2 is a plan view of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1-2, a hole-aligning machining tool for a freight train tail frame comprises a bottom plate 1 and vertical plates 2 relatively fixed to the left and right sides of the bottom plate 1, wherein a bracket 3 is arranged between the vertical plates 2 on the two sides, a rotating shaft 4 is fixed to the left and right sides of the bracket 3 and is rotatably connected with the vertical plates 2 through the rotating shaft 4, locking pins 5 for fixing the positions of the brackets 3 are respectively arranged on the outer side surfaces of the two vertical plates 2 in a penetrating manner, a plurality of positioning holes matched with the locking pins 5 are arranged at corresponding positions of the brackets 3, and the position locking of the brackets 3 before and after overturning is realized through the matching of the locking pins 5 and the corresponding positioning holes;
A plurality of end face positioning pins 6 and at least two end face fixing mechanisms 7 are respectively fixed on the left side face of the bracket 3, the axial lead of the end face positioning pin 6 is perpendicular to the left side face of the bracket 3, each end face fixing mechanism 7 comprises an end face fixing plate 71 and an end face fastening bolt 72, a strip-shaped hole for the end face fastening bolt 72 to pass through is formed in each end face fixing plate 71, the left end portion of each end face fastening bolt 72 is perpendicularly connected with the left side face of the bracket 3, a nut 73 matched with the end face fastening bolt 72 is arranged in each end face fastening bolt 72 after the right end portion of each end face fastening bolt 72 passes through the corresponding strip-shaped hole, a spring 74 is arranged in each end face fastening bolt 72 between the left side face of the bracket 3 and the end face fixing plate 71 in a penetrating manner, the end face positioning pin 6 of the tail frame is positioned by using the structure as a reference, realizing the transverse position fixation of the workpiece;
A positioning column 8, a longitudinal fastening bolt 9 and an adjusting bolt 10 are respectively arranged at the bottom of the support 3 from left to right, the positioning column 8 is matched with the adjusting bolt 10 so as to position a workpiece, and the workpiece can be longitudinally fixed through the longitudinal fastening bolt 9 after the positioning is finished; a blanking hole 11 is formed in the center of the support 3, so that waste generated by drilling is discharged conveniently, and the convenience of production is improved.
In this embodiment, the blanking hole 11 is formed by a left rectangular portion and a right circular portion, so as to better adapt to the workpiece and the connecting hole thereof, and improve the blanking effect.
Preferably, the support 3 include with bottom plate 1 parallel arrangement's horizontal board 31 both ends all are connected with vertical plate 32 perpendicularly about horizontal board 31, the cross-section after horizontal board 31 is connected with vertical plate 32 is the H type the upper surface of horizontal board 31 sets up reference column 8, vertical fastening bolt 9 and adjusting bolt 10 be connected with first reinforcing plate 33 between the bottom of horizontal board 31 and the vertical plate 32. The bracket 3 with the structure is adopted to effectively support the workpiece and adapt to the overturning drilling processing of the workpiece, thereby ensuring the achievement of the purpose of the invention.
In this example, the first reinforcing plate 33 is a right-angled triangular plate, and two right-angled sides of the first reinforcing plate 33 are respectively connected to the transverse plate 31 and the longitudinal plate 32.
Further, the longitudinal fastening bolt 9 includes a bolt body 91, a stopper 92 is provided at a lower end of the bolt body 91, a diameter of the stopper 92 is larger than that of the bolt body 91, and a fastening nut 93 having a pressing surface is screwed to an upper portion of the bolt body 91.
In this embodiment, in order to ensure the connection strength between the vertical plate 2 and the bottom plate 1, a second reinforcing plate 12 is further connected between the outer side surface of the vertical plate 2 and the bottom plate 1, and the second reinforcing plates 12 are respectively disposed on the front side and the rear side of the bottom plate 1.
During production, one side of a support 3 with a positioning column 8 and other structures faces upwards, the position of the support 3 is locked and positioned through a locking pin 5, a workpiece is placed on the support 3, the workpiece is horizontally positioned through the positioning column 8 and an adjusting bolt 10, the end face of the workpiece, namely a reference face, is positioned through an end face positioning pin 6, the workpiece is fixed through an end face fixing mechanism 7 and a longitudinal fastening bolt 9, the connecting hole of the workpiece is drilled, after the machining of one side is completed, the locking pin 5 is pulled out, the support 3 is turned over for 180 degrees, the locking pin 5 is used for locking and positioning the support 3, the connecting hole of the other side of the tail frame workpiece can be machined, two opposite connecting holes can be machined through one-time clamping, the phenomenon that the workpiece is turned to the other side manually in the traditional technology is avoided, and the labor intensity of manual labor is reduced, the safety is high; meanwhile, repeated clamping is not needed, the production efficiency is effectively improved, the positioning of the workpiece is more accurate, and the coaxiality of the two connecting holes is ensured.
The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides a freight transportation train tail frame is to hole processing frock which characterized in that: the support is arranged between the vertical plates on the two sides, rotating shafts are fixed on the left side and the right side of the support and are rotationally connected with the vertical plates through the rotating shafts, locking pins for fixing the positions of the support penetrate through the outer side surfaces of the two vertical plates, and a plurality of positioning holes matched with the locking pins are formed in corresponding positions of the support;
A plurality of end face positioning pins and at least two end face fixing mechanisms are respectively fixed on the left side face of the support, the axial lead of each end face positioning pin is perpendicular to the left side face of the support, each end face fixing mechanism comprises an end face fixing plate and an end face fastening bolt, a strip-shaped hole for the end face fastening bolt to pass through is formed in each end face fixing plate, the left end part of each end face fastening bolt is perpendicularly connected with the left side face of the support, a nut matched with the end face fastening bolt penetrates through the strip-shaped hole after the right end part of each end face fastening bolt passes through the strip-shaped hole, and a spring penetrates through each end face fastening bolt between the left side face of the support and the end face;
The bottom of the support is provided with a positioning column, a longitudinal fastening bolt and an adjusting bolt from left to right, the positioning column is matched with the adjusting bolt so as to position a workpiece, and a blanking hole is formed in the center of the support.
2. The freight train tail frame hole aligning machining tool according to claim 1, characterized in that: the support include with bottom plate parallel arrangement's horizontal board about both ends all are connected with vertical board perpendicularly, the cross-section after horizontal board is connected with vertical board is the H type the upper surface of horizontal board sets up reference column, vertical fastening bolt and adjusting bolt.
3. The freight train tail frame hole aligning machining tool according to claim 2, characterized in that: and a first reinforcing plate is connected between the bottom of the transverse plate and the vertical plate.
4. The freight train tail frame hole aligning machining tool according to claim 3, characterized in that: the first reinforcing plate is a right-angle triangular plate, and two right-angle sides of the first reinforcing plate are respectively connected with the transverse plate and the longitudinal plate.
5. The freight train tail frame hole aligning machining tool according to claim 1, characterized in that: the longitudinal fastening bolt comprises a bolt body, a limiting part is arranged at the lower end of the bolt body, the diameter of the limiting part is larger than that of the bolt body, and a fastening nut with a pressing surface is in threaded connection with the upper part of the bolt body.
6. The freight train tail frame hole aligning machining tool according to claim 1, characterized in that: and a second reinforcing plate is connected between the outer side surface of the vertical plate and the bottom plate, and is respectively arranged on the front side and the rear side of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303488.6U CN211136378U (en) | 2019-12-19 | 2019-12-19 | Freight train tail frame is to hole machining frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303488.6U CN211136378U (en) | 2019-12-19 | 2019-12-19 | Freight train tail frame is to hole machining frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211136378U true CN211136378U (en) | 2020-07-31 |
Family
ID=71744809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922303488.6U Expired - Fee Related CN211136378U (en) | 2019-12-19 | 2019-12-19 | Freight train tail frame is to hole machining frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211136378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263312A (en) * | 2021-07-16 | 2021-08-17 | 成都飞机工业（集团）有限责任公司 | Airplane frame positioning structure based on tolerance distribution and process method |
-
2019
- 2019-12-19 CN CN201922303488.6U patent/CN211136378U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263312A (en) * | 2021-07-16 | 2021-08-17 | 成都飞机工业（集团）有限责任公司 | Airplane frame positioning structure based on tolerance distribution and process method |
| CN113263312B (en) * | 2021-07-16 | 2021-10-08 | 成都飞机工业（集团）有限责任公司 | Airplane frame positioning structure based on tolerance distribution and process method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 Termination date: 20211219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |