CN204110053U - Guideway vehicle automatic calibration center positioning device - Google Patents
Guideway vehicle automatic calibration center positioning device Download PDFInfo
- Publication number
- CN204110053U CN204110053U CN201420523379.XU CN201420523379U CN204110053U CN 204110053 U CN204110053 U CN 204110053U CN 201420523379 U CN201420523379 U CN 201420523379U CN 204110053 U CN204110053 U CN 204110053U
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- hole
- automatic calibration
- guideway vehicle
- supporting mechanism
- vehicle automatic
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Abstract
The utility model relates to a kind of guideway vehicle automatic calibration center positioning device, comprises supporting mechanism, aligning gear and fastening device three part; Wherein supporting mechanism is located at the bottom of whole device, be made up of the brace table of round platform and side placed on it, described round platform and brace table center are provided with through hole, are trumpet type inner arc surface at the bottom of brace table centre hole, coordinate with round platform outer rim is tangent, brace table upper surface is horizontal surface; Aligning gear is positioned at the top of whole device, be made up of inverted round stage and the pressing table be placed in below it, described inverted round stage and pressing table center are provided with through hole, pressing table centre hole top is trumpet type inner arc surface, coordinate with inverted round stage outer rim is tangent, pressing table lower surface is horizontal surface, and lower surface center is provided with diameter and equals positioning workpieces aperture, is highly less than the boss of positioning workpieces thickness; Described fastening device comprises screw rod and nut, and described screw rod is through supporting mechanism and aligning gear centre hole, and nut is screwed onto screw tip; Which reduce manufacturing cost, improve assembly precision and efficiency of assembling, avoid the manufacture damage of kingpin hole.
Description
Technical field
The utility model relates to a kind of automatic positioning equipment, specifically relates to guideway vehicle kingpin hole automatic calibration center positioning device.
Background technology
Vehicle body of railway vehicle kingpin hole is the key structure docked with bogie truck, and in vehicle body of railway vehicle manufacturing process, it is conflicting existence that the location at car body center and pin-and-hole protect.Locating dowel pin is comparatively thick, and with the adjoining dimensions of pin-and-hole, location is convenient but often easily damages pin-and-hole; But locating dowel pin is comparatively thin, comparatively large with the size difference of pin-and-hole, pin-and-hole is protected very well and is but not easily located.
Current employing fixing lug boss realizes centralized positioning, and this kind of method in an assembling process, very easily causes the physical shock of pin-and-hole inwall to damage; Another method is the entrucking end of body underframe that first falls, then adopt the fastening positioning boss of screw rod on kingpin hole top, but this kind of mode needs manual adjustment kingpin hole concentric with frock screw rod, because underframe volume and weight are very large, therefore assembly difficulty is large, and operative weldability is poor.
Summary of the invention
The utility model main purpose is to solve the problem, and provides that a kind of pin-and-hole is easily assembled, precision is high and the guideway vehicle automatic calibration center positioning device of zero damage pin-and-hole.
For achieving the above object, described guideway vehicle automatic calibration center positioning device comprises: supporting mechanism, aligning gear and fastening device three part; Wherein supporting mechanism is located at the bottom of whole device, be made up of the brace table of round platform and side placed on it, described round platform and brace table center are provided with through hole, are trumpet type inner arc surface at the bottom of brace table centre hole, coordinate with round platform outer rim is tangent, brace table upper surface is horizontal surface; Aligning gear is positioned at the top of whole device, be made up of inverted round stage and the pressing table be placed in below it, described inverted round stage and pressing table center are provided with through hole, pressing table centre hole top is trumpet type inner arc surface, coordinate with inverted round stage outer rim is tangent, pressing table lower surface is horizontal surface, and lower surface center is provided with the boss that diameter equals positioning workpieces aperture, thickness is less than positioning workpieces thickness; Described fastening device comprises screw rod and nut, and described screw rod is through supporting mechanism and aligning gear centre hole, and nut is screwed onto screw tip.
When using guideway vehicle automatic calibration center positioning device described in the utility model, first supporting mechanism and screw rod is placed, screw rod is fastened on frock below this device and drafts a screwed hole of centre place, then positioning workpieces is placed in the upper surface of brace table, screw rod is made to pass the pin-and-hole of workpiece, again the boss of pressing table lower surface is placed in the pin-and-hole of workpiece, pressing table, inverted round stage, nut are installed so successively.When fastening nut, fastening force passes to inverted round stage, pressing table and workpiece pin-and-hole first successively, wherein inverted round stage and pressing table are harmonious by arc surface the principle of automatic calibration, namely the transmission of inverted round stage and pressing table power suits face perpendicular to the two, and the vertical component of this power is passed to plane on workpiece provides compression, horizontal component of force is passed to pin-and-hole inwall by the boss face of pressing table lower surface, drives workpiece level to move with this, realizes the center automatic calibration of workpiece pin-and-hole.The same aligning gear of the tangent principle of supporting mechanism arc surface, this mechanism can deflect with workpiece, avoids rigid support mechanism to the damage of workpiece.
The utility model is by the Theoretical Proof to track vehicle center pin-and-hole positioning tool, three-dimensional simulation analysis and on-site verification optimization, arc surface is adopted to be harmonious automatic calibration principle, first carry out the nothing location pre-assy of parts, rear mounting center pin-and-hole locating module, fastening finally by screw rod locating module, realize the automatic calibration centralized positioning of parts.By the utilization of above-mentioned technological means, overcome parts peg in hole operation difficulty high, the technical barrier of easy damaged pin-and-hole, carry out reaching the effect that low difficulty can't harm the centralized positioning of assembling automatic calibration; Thus solve the problems such as guideway vehicle centralized positioning skew, kingpin hole damage; Which simplify guideway vehicle tool structure form, reduce manufacturing cost, improve assembly precision and efficiency of assembling, avoid the manufacture damage of kingpin hole.
In order to reach better effect, guideway vehicle automatic calibration center positioning device described in the utility model can also adopt following measures:
1, further, round platform internal diameter and outer screw diameter and the gap between inverted round stage internal diameter and outer screw diameter are not more than 0.5mm.Screw rod can be made like this to be able to smooth transmission to round platform and inverted round stage horizontal component of force.
2, further, pad is provided with below described nut.When nut is less than aligning gear centre hole, the use of pad can ensure the fastening effect of nut.
3, further, the angle of the supporting mechanism round platform conical surface and the aligning gear inverted round stage conical surface is 30 ° to 50 °.Angle determines the relative size of horizontal component of force and vertical component, and when frustoconical bevel angle controls within the scope of 30 ° to 50 °, two component couplings are more suitable.
4, further, the angle of the described supporting mechanism round platform conical surface and aligning gear inverted round stage is 40 °.Now horizontal component of force and vertical component coupling optimum.
5, further, described brace table trumpet type inner arc radius is R=15mm, and described pressing table trumpet type inner arc surface radius is R=17mm.Can ensure that pressing table and inverted round stage have enough area of contact, have enough Rigidity and strengths concurrently like this.
6, further, the thickness of described pressing table lower surface boss is about thickness of workpiece 2/3rds.Its effect is to make workpiece be subject to enough horizontal component of forces, makes adjustment more smooth, in addition can not because of thickness too Small loss workpiece.
7, further, in described supporting mechanism, round platform circumference and brace table lower surface are provided with platform.Thus when brace table deflects with workpiece generation larger angle, round platform circumferential plane coordinates with brace table lower surface platform and plays position-limiting action, be used for the effect of this device of stable support, adjustment of being simultaneously more convenient for.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the graphics of Fig. 1.
In figure, each piece number illustrates:
1-screw rod, 2-round platform, 3-brace table, 4-pressing table, 5-inverted round stage, 6-pad, 7-nut, 8-positioning workpieces, the boss thickness of h-pressing table, H-positioning workpieces thickness, the boss diameter of D-pressing table, r-pressing table centre hole and inverted round stage centre hole semidiameter; B-inverted round stage both ends of the surface semidiameter, b-inverted round stage small end face and centre hole semidiameter.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
As shown in Figure 1, guideway vehicle automatic calibration center positioning device described in the utility model comprises: supporting mechanism, aligning gear and fastening device three part.
Described fastening device comprises screw rod 1, pad 6 and nut 7, is first fixed by screw rod 1, makes it to be fastened on frock below this device and drafts a screwed hole of centre place.
Described aligning gear is made up of the inverted round stage 5 of pressing table 4 and side placed on it, and pressing table 4 lower surface is horizontal surface, and lower surface center is provided with boss, and boss diameter D equals the aperture of positioning workpieces pin-and-hole, and thickness h is 2/3rds of thickness of workpiece H; Thus make pressing table 4 can put into the pin-and-hole of positioning workpieces 9 completely.
Described pressing table 4 centre hole top is trumpet type inner arc surface; Described pressing table 4 and inverted round stage 5 center are provided with through hole, and the two semidiameter r is less than inverted round stage both ends of the surface semidiameter B and is greater than inverted round stage small end face and its centre hole semidiameter b, thus pressing table 4 is coordinated with inverted round stage 5 outer rim is tangent.
When using guideway vehicle automatic calibration center positioning device described in the utility model, screw rod 1 is aimed at the pin-and-hole center of positioning workpieces 8 fall, make screw rod 1 as far as possible close to pin-and-hole center, again the boss of pressing table 4 lower surface is placed in the pin-and-hole of positioning workpieces 8, again inverted round stage 5 is placed on pressing table 4, successively pad 6, nut 7 is arranged on screw rod 1.During fastening nut, fastening force passes to inverted round stage 5, pressing table 4 and positioning workpieces 8 pin-and-hole successively, wherein inverted round stage 5 and compress the principle of 4 automatic calibrations that to be harmonious by arc surface, namely the transmission of inverted round stage 5 and pressing table 4 power suits face perpendicular to the two, and the vertical component of this power is passed to plane on workpiece provides compression, horizontal component of force is passed to the pin-and-hole inwall of positioning workpieces 8 by the boss face of pressing table 4 lower surface, drive positioning workpieces 8 parallel motion with this, realize the center automatic calibration of workpiece pin-and-hole.
Above-mentioned pressing table 4 trumpet type radian R is 17mm, inverted round stage 5 tapering is 40 °, can ensure that pressing table 4 and inverted round stage 5 have enough area of contact like this, have enough Rigidity and strengths concurrently, when utilizing this device to adjust, horizontal component of force and vertical component coupling optimum.
Described supporting mechanism is located at the bottom of whole device, comprise round platform 2 and brace table 3, described brace table 3 upper surface is horizontal surface, described round platform 2 is positioned at below brace table 3, the two center is equipped with through hole, is trumpet type inner arc surface, in like manner at the bottom of brace table 3 centre hole, the same aligning gear of relation of brace table 3 radius and round platform 2 center radius difference and round platform 2 end size, thus brace table 3 coordinates with round platform 2 outer rim is tangent.Positioning workpieces 8 is placed in the upper surface of brace table 3, make screw rod 1 through the pin-and-hole of positioning workpieces 8, brace table 3 and the same aligning gear of the tangent Force principle coordinated of round platform 2 outer rim, this mechanism can deflect with positioning workpieces 8, avoids rigid support mechanism to the damage of positioning workpieces 8.And round platform 2 circumference and brace table 3 lower surface are provided with platform, thus when brace table 3, with positioning workpieces 8, larger angle deflection occurs, round platform 2 circumferential plane coordinates with brace table 3 lower surface platform and plays position-limiting action, is used for the effect of this device of stable support, adjustment of being simultaneously more convenient for.
In like manner, arc radius is R=15mm, and the angle of described round platform 2 conical surface is 40 °, can ensure that brace table 3 and round platform 2 have enough area of contact like this, have enough Rigidity and strengths concurrently, when utilizing this device to adjust, horizontal component of force and vertical component coupling optimum.
Above-mentioned round platform 2 and inverted round stage 5, the gap between the two internal diameter and screw rod 1 external diameter is not more than 0.5mm.Screw rod 1 pair of round platform 2 and inverted round stage 5 horizontal component of force can be made like this to be able to smooth transmission.
Guideway vehicle automatic calibration center positioning device described in the utility model, can according to the pin-and-hole size of positioning workpieces, thickness and fastening force size adjustment corresponding assembly size.
As mentioned above, plan content given in conjunction with the accompanying drawings and embodiments, can derive similar technical scheme.In every case be the content not departing from technical solutions of the utility model, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. a guideway vehicle automatic calibration center positioning device, is characterized in that comprising: supporting mechanism, aligning gear and fastening device three part; Wherein supporting mechanism is located at the bottom of whole device, be made up of the brace table of round platform and side placed on it, described round platform and brace table center are provided with through hole, are trumpet type inner arc surface at the bottom of brace table centre hole, coordinate with round platform outer rim is tangent, brace table upper surface is horizontal surface; Aligning gear is positioned at the top of whole device, be made up of inverted round stage and the pressing table be placed in below it, described inverted round stage and pressing table center are provided with through hole, pressing table centre hole top is trumpet type inner arc surface, coordinate with inverted round stage outer rim is tangent, pressing table lower surface is horizontal surface, and lower surface center is provided with the boss that diameter equals positioning workpieces aperture, thickness is less than positioning workpieces thickness; Described fastening device comprises screw rod and nut, and described screw rod is through supporting mechanism and aligning gear centre hole, and nut is screwed onto screw tip.
2. guideway vehicle automatic calibration center positioning device according to claim 1, is characterized in that: described round platform internal diameter and outer screw diameter and the gap between inverted round stage internal diameter and outer screw diameter are not more than 0.5mm.
3. guideway vehicle automatic calibration center positioning device according to claim 2, is characterized in that: be provided with pad below described nut.
4. guideway vehicle automatic calibration center positioning device according to claim 3, is characterized in that: the angle of the described supporting mechanism round platform conical surface and the aligning gear inverted round stage conical surface is 30 ° to 50 °.
5. guideway vehicle automatic calibration center positioning device according to claim 4, is characterized in that: the angle of the described supporting mechanism round platform conical surface and aligning gear inverted round stage is 40 °.
6. guideway vehicle automatic calibration center positioning device according to claim 5, it is characterized in that: described brace table trumpet type inner arc radius is R=15mm, described pressing table trumpet type inner arc surface radius is R=17mm.
7. guideway vehicle automatic calibration center positioning device according to claim 6, is characterized in that: the thickness of described pressing table lower surface boss is about thickness of workpiece 2/3rds.
8. according to the arbitrary described guideway vehicle automatic calibration center positioning device of claim 1 to 7, it is characterized in that: in described supporting mechanism, round platform circumference and brace table lower surface are provided with platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523379.XU CN204110053U (en) | 2014-09-12 | 2014-09-12 | Guideway vehicle automatic calibration center positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523379.XU CN204110053U (en) | 2014-09-12 | 2014-09-12 | Guideway vehicle automatic calibration center positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN204110053U true CN204110053U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420523379.XU Withdrawn - After Issue CN204110053U (en) | 2014-09-12 | 2014-09-12 | Guideway vehicle automatic calibration center positioning device |
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| CN (1) | CN204110053U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260741A (en) * | 2014-09-12 | 2015-01-07 | 南车青岛四方机车车辆股份有限公司 | Auto-correction centering device for railway vehicle |
| CN105692256A (en) * | 2016-02-06 | 2016-06-22 | 武汉人天包装自动化技术股份有限公司 | Vehicle guiding and locating assembly in automatic vehicle loading system for industrial explosive cartons |
| CN112605641A (en) * | 2020-12-03 | 2021-04-06 | 北京航天爱锐科技有限责任公司 | Assembling device and assembling method for hinge type split nut separating device |
-
2014
- 2014-09-12 CN CN201420523379.XU patent/CN204110053U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260741A (en) * | 2014-09-12 | 2015-01-07 | 南车青岛四方机车车辆股份有限公司 | Auto-correction centering device for railway vehicle |
| CN105692256A (en) * | 2016-02-06 | 2016-06-22 | 武汉人天包装自动化技术股份有限公司 | Vehicle guiding and locating assembly in automatic vehicle loading system for industrial explosive cartons |
| CN112605641A (en) * | 2020-12-03 | 2021-04-06 | 北京航天爱锐科技有限责任公司 | Assembling device and assembling method for hinge type split nut separating device |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |