CN201792221U - Positioning clamping device for processing pin seat at traction center - Google Patents
Positioning clamping device for processing pin seat at traction center Download PDFInfo
- Publication number
- CN201792221U CN201792221U CN 201020297461 CN201020297461U CN201792221U CN 201792221 U CN201792221 U CN 201792221U CN 201020297461 CN201020297461 CN 201020297461 CN 201020297461 U CN201020297461 U CN 201020297461U CN 201792221 U CN201792221 U CN 201792221U
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- China
- Prior art keywords
- pin
- chamfered edge
- short
- clamping device
- positioning clamping
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a positioning clamping device of key parts for processing a bogie of a railway vehicle, in particular to a positioning clamping device for processing a pin seat at a traction center, comprising a fixed bottom plate, and a supporting and positioning device arranged on the fixed bottom plate, wherein the supporting and positioning device comprises a long cylindrical pin, a long edge-cutting pin, a short edge-cutting pin and a short cylindrical pin which are respectively arranged on the fixed bottom plate; the other ends of the long cylindrical pin, the long edge-cutting pin, the short edge-cutting pin and the short cylindrical pin are installing ends of processed workpieces; the installing ends of the processed workpieces of the long cylindrical pin and the short cylindrical pin are respectively provided with a cylindrical installing section; and the installing ends of the processed workpieces of the long edge-cutting pin and the short edge-cutting pin are respectively provided with a diamond installing section. The positioning clamping device has the benefits of being firm and reliable in installation, accurate in positioning, high in installing efficiency and capable of meeting the high machining requirement.
Description
Technical field
The utility model relates to a kind of positioning clamping device of part processing, is specifically related to a kind of positioning clamping device of processing bogies for railway vehicles with key components and parts, a kind of more precisely processing centre of pull key seat positioning clamping device.
Background technology
The centre of pull key seat is CRH3 type EMUs bogie one of key components and parts, and at present, the traction of CRH3 type EMUs bogie, the employed centre of pull key seat of rotation are import parts.The centre of pull key seat plays important effect to the performance of bogie, and whether the stationarity of vehicle operating, security, hauling ability, maintenance, gauge meet standard influenced by it.And when processing centre of pull key seat, the centre of pull key seat need be fixed, guarantee that it can not produce to rock, guarantee the machining accuracy of centre of pull key seat.
The utility model content
At the problems referred to above, the purpose of this utility model provide a kind of simple in structure, location accurately, clamp solid and reliable processing centre of pull key seat positioning clamping device.
The realization the technical solution of the utility model is as follows:
A kind of processing centre of pull key seat positioning clamping device, comprise fixed base plate, be arranged on the supporting and positioning device on the fixed base plate, supporting and positioning device comprises the oval pin that is separately positioned on the fixed base plate, long chamfered edge pin, short chamfered edge pin and short cylindrical pin, the other end of oval pin, long chamfered edge pin, short chamfered edge pin and short cylindrical pin is the workpiece to be machined installation end, the workpiece to be machined installation end of described oval pin, short cylindrical pin is respectively arranged with the cylinder construction section, and the workpiece to be machined installation end of long chamfered edge pin, short chamfered edge pin is respectively arranged with the rhombus construction section.
Be set with backing plate on the described fixed base plate, backing plate comprises first backing plate, second backing plate, and oval pin, long chamfered edge pin are fixedly installed on first backing plate, and short chamfered edge pin, short cylindrical pin are fixedly installed on second backing plate.
One spacer pin is set between described backing plate and the fixed base plate at least, and an end of spacer pin is arranged in the backing plate, the other end and fixed base plate interference fit.
Also comprise and regulate the tightening device, it comprises the baffle plate that is fixedly installed on the fixed base plate, and baffle plate is provided with regulates supporting.Regulate supporting and adopt the screw thread rotation mode to hold out against workpiece to be machined, prevent from machining process, to cause workpiece to be machined to produce displacement, guarantee the fastness of workpiece to be machined owing to being subjected to the cutting force effect.
The workpiece to be machined installation end of described oval pin, long chamfered edge pin, short chamfered edge pin and short cylindrical pin is respectively arranged with and compresses locking device, and the described locking device that compresses comprises pressing plate, locking nut.After workpiece to be machined was in place, the workpiece to be machined installation end at oval pin, long chamfered edge pin, short chamfered edge pin, short cylindrical pin overlapped top board respectively again, with locking nut locking, guarantees that the installation of workpiece to be machined is firm again.
Be respectively arranged with the joint pin that the two is fixedlyed connected between described oval pin, long chamfered edge pin and short chamfered edge pin, the short cylindrical pin.Described joint pin is isometric studs, and the two ends of isometric studs are provided with spacing ladder.Distance between oval pin, long chamfered edge pin and short chamfered edge pin, the short cylindrical pin is determined by the spacing ladder of isometric studs.
Adopt such scheme, the workpiece to be machined installation end of oval pin, short cylindrical pin is arranged to the cylinder construction section respectively, the workpiece to be machined installation end of long chamfered edge pin, short chamfered edge pin is arranged to the rhombus construction section respectively.Such structure is aimed at each alignment pin and can be in place as long as installing hole will be installed on the centre of pull key seat when the centre of pull key seat is installed, and overlaps top board again, tightens locking nut.The beneficial effects of the utility model are solid and reliable, and the location is accurate, and the installation effectiveness height can satisfy high machining requirement.
Description of drawings
Fig. 1 is an assembling plan view of the present utility model;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is the structural representation of long alignment pin in the utility model;
Fig. 4 is the structural representation of the short-and-medium alignment pin of the utility model;
In the accompanying drawing, 1, fixed base plate, 2, first backing plate, 21, second backing plate, 3, short chamfered edge pin, 4, joint pin, 5, short cylindrical pin, 6, pressing plate, 7, the centre of pull key seat, 8, long chamfered edge pin, 9, oval pin, 10, baffle plate, 11, regulate supporting, 12, spacer pin, 13, the straight pin section, 131, the straight pin section, 132, straight pin section, 133, straight pin section, 14, oval pin cylindrical section, 15, long chamfered edge pin diamond, 16, lack chamfered edge pin diamond, 17, short cylindrical pin cylindrical section, 18, locking nut, 19, spacing ladder.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Shown in Fig. 1-4, a kind of processing centre of pull key seat positioning clamping device, comprise fixed base plate 1, be arranged on the supporting and positioning device on the fixed base plate 1, supporting and positioning device comprises the oval pin 9 that is separately positioned on the fixed base plate 1, long chamfered edge pin 8, short chamfered edge pin 3 and short cylindrical pin 5, oval pin, long chamfered edge pin, the other end of short chamfered edge pin and short cylindrical pin is centre of pull key seat 7 installation ends, oval pin, the workpiece to be machined installation end of short cylindrical pin is respectively arranged with the cylinder construction section, long chamfered edge pin, the workpiece to be machined installation end of short chamfered edge pin is respectively arranged with the rhombus construction section.
Referring to Fig. 1,2, be set with backing plate on the fixed base plate 1, backing plate comprises first backing plate 2, second backing plate 21, and oval pin, long chamfered edge pin are fixedly installed on first backing plate 2, and short chamfered edge pin, short cylindrical pin are fixedly installed on second backing plate 21.One spacer pin 12 is set between backing plate and the fixed base plate at least, and an end of spacer pin is arranged in the backing plate, the other end and fixed base plate interference fit.Backing plate is by two round spacer pins and fixed base plate interference fit, and accurately the location re-uses six soket head cap screws backing plate is fixed on fixed base plate.
Referring to Fig. 1, also comprise and regulate the tightening device, it comprises the baffle plate 10 that is fixedly installed on the fixed base plate, baffle plate 10 is provided with regulates supporting 11.Baffle plate links to each other with base plate by soket head cap screw, regulates supporting and adopts the screw thread rotation mode to hold out against centre of pull key seat 7, prevents to cause the centre of pull key seat to produce displacement owing to being subjected to the cutting force effect in machining process.
Referring to Fig. 1-4, the centre of pull key seat installation end of oval pin, long chamfered edge pin, short chamfered edge pin and short cylindrical pin is respectively arranged with and compresses locking device, compresses locking device and comprises pressing plate 6, locking nut 18.Four cylindrical holes of centre of pull key seat match with oval pin, long chamfered edge pin, short chamfered edge pin and short cylindrical pin respectively, and the centre of pull key seat is seated, and overlap top board 6 again, tighten with locking nut 18.Be respectively arranged with the two joint pin of fixedlying connected 4 between oval pin, long chamfered edge pin and short chamfered edge pin, the short cylindrical pin.Joint pin 4 is isometric studs, and the two ends of isometric studs are provided with spacing ladder 19.Oval pin is connected by isometric studs with long chamfered edge pin, adopts hex nut to tighten, and spacing is between the two determined that by the spacing step length on the isometric studs assembling back is connected with backing plate, is fixed on then on the base plate; Short chamfered edge pin is connected by isometric studs equally with the short cylindrical pin, adopts nut screwing clamping, and spacing is between the two determined that by the spacing step length on the isometric studs assembling back is whole to be connected with backing plate, is fixed on the base plate then.
In concrete enforcement: the straight pin section 13 and the backing plate interference fit of oval pin one end, use the outer-hexagonal thin nut tight, the oval pin cylindrical section 14 and the centre of pull key seat matched in clearance of the other end; The straight pin section 131 and the backing plate interference fit of long chamfered edge pin one end use the outer-hexagonal thin nut tight, the long chamfered edge pin diamond 15 and the centre of pull key seat matched in clearance of the other end; The straight pin section 132 and backing plate interference fit of short chamfered edge pin one end use the outer-hexagonal thin nut tight, the short chamfered edge pin diamond 16 and the centre of pull key seat matched in clearance of the other end; The straight pin section 133 and the backing plate interference fit of short cylindrical pin one end, tight, the short cylindrical pin cylindrical section 17 and the centre of pull key seat of the other end are mismatched, and mainly play supporting role with the outer-hexagonal thin nut.
Claims (7)
1. process centre of pull key seat positioning clamping device for one kind, comprise fixed base plate, be arranged on the supporting and positioning device on the fixed base plate, it is characterized in that: supporting and positioning device comprises the oval pin that is separately positioned on the fixed base plate, long chamfered edge pin, short chamfered edge pin and short cylindrical pin, oval pin, long chamfered edge pin, the other end of short chamfered edge pin and short cylindrical pin is the workpiece to be machined installation end, described oval pin, the workpiece to be machined installation end of short cylindrical pin is respectively arranged with the cylinder construction section, long chamfered edge pin, the workpiece to be machined installation end of short chamfered edge pin is respectively arranged with the rhombus construction section.
2. a kind of processing centre of pull key seat positioning clamping device according to claim 1, it is characterized in that: be set with backing plate on the described fixed base plate, backing plate comprises first backing plate, second backing plate, oval pin, long chamfered edge pin are fixedly installed on first backing plate, and short chamfered edge pin, short cylindrical pin are fixedly installed on second backing plate.
3. a kind of processing centre of pull key seat positioning clamping device according to claim 2, it is characterized in that: a spacer pin is set between described backing plate and the fixed base plate at least, and an end of spacer pin is arranged in the backing plate, the other end and fixed base plate interference fit.
4. a kind of processing centre of pull key seat positioning clamping device according to claim 1 is characterized in that: also comprise and regulate the tightening device, it comprises the baffle plate that is fixedly installed on the fixed base plate, and baffle plate is provided with regulates supporting.
5. a kind of processing centre of pull key seat positioning clamping device according to claim 1, it is characterized in that: the workpiece to be machined installation end of described oval pin, long chamfered edge pin, short chamfered edge pin and short cylindrical pin is respectively arranged with and compresses locking device, and the described locking device that compresses comprises pressing plate, locking nut.
6. a kind of processing centre of pull key seat positioning clamping device according to claim 1 is characterized in that: be respectively arranged with the joint pin that the two is fixedlyed connected between described oval pin, long chamfered edge pin and short chamfered edge pin, the short cylindrical pin.
7. a kind of processing centre of pull key seat positioning clamping device according to claim 6, it is characterized in that: described joint pin is isometric studs, and the two ends of isometric studs are provided with spacing ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020297461 CN201792221U (en) | 2010-08-19 | 2010-08-19 | Positioning clamping device for processing pin seat at traction center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020297461 CN201792221U (en) | 2010-08-19 | 2010-08-19 | Positioning clamping device for processing pin seat at traction center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201792221U true CN201792221U (en) | 2011-04-13 |
Family
ID=43847144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020297461 Expired - Lifetime CN201792221U (en) | 2010-08-19 | 2010-08-19 | Positioning clamping device for processing pin seat at traction center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201792221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829962A (en) * | 2021-01-12 | 2021-05-25 | 宝鸡赫威特机械科技有限公司 | Wheel holding mechanism for aircraft tractor |
| CN114803050A (en) * | 2022-04-22 | 2022-07-29 | 南京中车物流服务有限公司 | But rail vehicle bogie king pin cyclic utilization equipment for packing |
-
2010
- 2010-08-19 CN CN 201020297461 patent/CN201792221U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829962A (en) * | 2021-01-12 | 2021-05-25 | 宝鸡赫威特机械科技有限公司 | Wheel holding mechanism for aircraft tractor |
| CN114803050A (en) * | 2022-04-22 | 2022-07-29 | 南京中车物流服务有限公司 | But rail vehicle bogie king pin cyclic utilization equipment for packing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CSR CHANGZHOU TECH-MARK INDUSTRIAL CO., LTD. Free format text: FORMER NAME: CHANGZHOU TIEMA SCIENCE AND TECHNOLOGY INDUSTRIAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Co-patentee after: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Patentee after: CSR Changzhou Tech-Mark Industrial Co., Ltd. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Co-patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Patentee before: Changzhou Tech-Mark Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 213000 Jiangsu city of Changzhou province Changzhou New District Xue Zhen Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL CO., LTD. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Co-patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Patentee before: CSR Changzhou Tech-Mark Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |
|
| CX01 | Expiry of patent term |