CN202382675U - Geometric tolerance detecting device of inner cone holes and end faces of shaft parts - Google Patents
Geometric tolerance detecting device of inner cone holes and end faces of shaft parts Download PDFInfo
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- CN202382675U CN202382675U CN2011205596770U CN201120559677U CN202382675U CN 202382675 U CN202382675 U CN 202382675U CN 2011205596770 U CN2011205596770 U CN 2011205596770U CN 201120559677 U CN201120559677 U CN 201120559677U CN 202382675 U CN202382675 U CN 202382675U
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- taper hole
- internal taper
- face
- axial workpiece
- detection platform
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Abstract
The utility model discloses a geometric tolerance detecting device of inner cone holes and end faces of shaft parts. The geometric tolerance detecting device comprises a detecting platform. Four bearing supports are arranged on the detecting platform; rolling bearings are rotationally arranged on the bearing supports; axial lines of four rolling bearings are parallel to a top surface of the detecting platform; and the centers of four rolling bearings are sequentially connected to form a rectangle parallel to the top surface of the detecting platform. Four rolling bearings are arranged on the detecting platform, the shaft parts are placed among four rolling bearings when being detected, a measuring head of a dial indicator points at the inner cone holes or the end surfaces of the shaft parts, and when the shaft parts rotate a circle, a jump displayed by the dial indicator is a jump of the inner cone holes and the end surfaces relative to the reference of the shaft. With the adoption of the device, the detection accuracy of the geometric tolerance of the inner cone holes and the end faces of shaft parts is greatly improved. The device is simple and practical.
Description
Technical field
The utility model relates to pick-up unit, is specifically related to the internal taper hole and the end face form and position tolerance pick-up unit of axial workpiece.
Background technology
Progress along with expanding economy and science and technology; The application of large power, electrically locomotive more and more widely; Present novel high-power shipping electric locomotive; The inner cone transmission is mainly adopted in the output of its traction electric machine, and it is big that this kind of drive has output ratio of gear and an output torque, and advantage such as saving space.
For this reason, for the axial workpiece of this type of traction electric machine rotating shaft, the accuracy requirement of its internal taper hole is very high, must be through strict detection before dispatching from the factory.At present, the method that detects this type axial workpiece internal taper hole precision mainly contains two kinds:
First kind of detection method is to use three coordinate measuring machine to detect; Promptly utilize three coordinate measuring machine to gather on the external peripheral surface of axle on the same cross section and a plurality of sample point coordinate on the inside surface of internal taper hole; Then through the external diameter of these coordinate Calculation shafts and the internal diameter of corresponding internal taper hole; Through calculating the difference between the two, obtain the form and position tolerance between axle and the internal taper hole at last.
Second kind of detection method is to utilize horizontal lathe to detect, and with a top end that withstands axle of lathe, lives axle body with the centre frame frame then, measures the cylindrical of axle and the form and position tolerance between the internal taper through clock gauge.
But all there is the bigger problem of error in above-mentioned two kinds of detection methods, are difficult to satisfy the accuracy detection requirement of large power, electrically locomotive to traction electric machine rotating shaft internal taper hole; Specifically, for first kind of detection method, because the collection point is limited; Therefore, the form and position tolerance that calculates has than mistake; And,, therefore, also have certain error owing to be that center pit with axle is that benchmark carries out for second kind of detection method.
In view of this, demand urgently improving, detect the bigger problem of error to solve the axial workpiece internal taper hole to existing axial workpiece internal taper hole detection method.
The utility model content
To above-mentioned defective, the technical matters that the utility model solves is, a kind of internal taper hole and end face form and position tolerance pick-up unit of axial workpiece is provided, and with the internal taper hole and the end face form and position tolerance accuracy of detection of raising axial workpiece, and cost is low, simple in structure.
The internal taper hole of the axial workpiece that the utility model provides and end face form and position tolerance pick-up unit; Comprise detection platform; Said detection platform is provided with four bearing bridge; Rotate on the said bearing bridge and be provided with rolling bearing, the axis of four said rolling bearings is parallel with the end face of said detection platform respectively, and the center of four said rolling bearings be in turn connected to form one with the parallel rectangle of said detection platform end face.
Preferably, four jiaos of places, bottom surface of said detection platform are provided with adjustable support leg respectively.
Preferably, also be provided with two left and right supporting seats that are oppositely arranged on the said detection platform, four said bearing bridge are separately positioned on two said supporting seats.
Preferably, be respectively equipped with the bar shaped locating slot on the end face of said detection platform and on the bottom surface of said supporting seat, be provided with the positioning key that is complementary with it in the said bar shaped locating slot.
Preferably, said supporting seat is provided with slide rail, and said slide rail is along the fore-and-aft direction setting, two said bearing bridge be separately positioned on said slide rail preceding, back two ends, and fastening through the jackscrew that is arranged on the said bearing bridge side.
Preferably, said adjustable support leg comprises leg and the setting nut that is threaded in said leg top, and the top of said leg is threaded with the bottom surface of said detection platform after stretching out said setting nut.
Preferably; The end face of said bearing bridge is provided with the U-shaped open slot; Two sidewalls of said U-shaped open slot are provided with and run through through hole, and bearing pin is fixed through clamp nut after passing another sidewall of a sidewall, rolling bearing and said U-shaped open slot of said U-shaped open slot successively.
Preferably, be provided with pad between the sidewall of said rolling bearing and said U-shaped open slot.
The internal taper hole of the axial workpiece that the utility model provides and end face form and position tolerance pick-up unit; On detection platform, be provided with four rolling bearings; When axial workpiece is detected, place it between four rolling bearings, the gauge head of clock gauge is referred on the internal taper hole or end face of axial workpiece; Axial workpiece rotates a circle, and beating that clock gauge shows is internal taper hole and end face beating with respect to the axle benchmark.This device has improved the accuracy of detection of axial workpiece internal taper hole and end face form and position tolerance greatly, and simple, practical.
In a kind of optimized technical scheme of the utility model; Be respectively equipped with the bar shaped locating slot on the end face of detection platform and on the bottom surface of supporting seat; Be provided with the positioning key that is complementary with it in the said bar shaped locating slot, greatly facilitate the location of supporting seat, improved work efficiency through positioning key.
In the another kind of optimized technical scheme of the utility model; Said supporting seat is provided with slide rail, and said slide rail is along the fore-and-aft direction setting, two said bearing bridge be separately positioned on said slide rail preceding, back two ends; And it is fastening through the jackscrew that is arranged on the said bearing bridge side; Owing to the distance between two bearing bridge can be adjusted on slide rail, therefore, this pick-up unit goes for the axial workpiece of different-diameter.
Description of drawings
Fig. 1 is the internal taper hole and the end face form and position tolerance pick-up unit structural representation of the described axial workpiece of embodiment;
Fig. 2 is the internal taper hole of axial workpiece shown in Figure 1 and the left view of end face form and position tolerance pick-up unit.
Embodiment
The core of the utility model provides a kind of internal taper hole and end face form and position tolerance pick-up unit of axial workpiece; Four bearing bridge are set on detection platform; A rolling bearing is set on each said bearing bridge; The axis of four said rolling bearings is parallel with the end face of said detection platform respectively, and the center of four said rolling bearings be in turn connected to form one with the parallel rectangle of said detection platform end face.Through four said roller bearings axial workpieces; The gauge head of clock gauge is referred on the internal taper hole or end face of axial workpiece; Axial workpiece rotates a circle; Clock gauge shows beats and is internal taper hole and end face with respect to the beating of axle benchmark, and this device has improved the accuracy of detection of axial workpiece internal taper hole and end face form and position tolerance greatly, and simple, practical.
Below in conjunction with Figure of description and embodiment the utility model is made detailed explanation, so that those skilled in the art understand the utility model better.
Fig. 1 is the internal taper hole and the end face form and position tolerance pick-up unit structural representation of the described axial workpiece of embodiment; Fig. 2 is the internal taper hole of axial workpiece shown in Figure 1 and the left view of end face form and position tolerance pick-up unit, like Fig. 1, shown in Figure 2, and the internal taper hole of axial workpiece and end face form and position tolerance pick-up unit; Comprise detection platform 1; Detection platform 1 is provided with 3, four bearing bridge 3 of four bearing bridge and is separately positioned on two supporting seats 2, two supporting seat 2 left and right being oppositely arranged.
Rotate on the bearing bridge 3 and be provided with rolling bearing 5; Concrete scheme is: the end face of bearing bridge 3 is provided with the U-shaped open slot; Two sidewalls of U-shaped open slot are provided with and run through through hole; Bearing pin 4 passes behind another sidewall of a sidewall, rolling bearing 5 and U-shaped open slot of U-shaped open slot fixing through clamp nut 6 successively, is provided with pad 7 between the sidewall of rolling bearing 5 and U-shaped open slot.The axis of four rolling bearings 5 is parallel with the end face of detection platform 1 respectively, and the center of four rolling bearings 5 be in turn connected to form one with the parallel rectangle of detection platform 1 end face.Axial workpiece 9 to be detected is placed on four rolling bearings 5; Clock gauge is placed on the detection platform; The gauge head of clock gauge is referred on the internal taper hole or end face of axial workpiece 9; Axial workpiece 9 rotates a circle, and clock gauge shows beats and be its internal taper hole and end face with respect to the beating of axle benchmark, thereby can detect internal taper hole and the end face form and position tolerance with respect to the axle external diameter exactly.
Four jiaos of places, the bottom surface of detection platform 1 are provided with adjustable support leg 10 respectively; Adjustable support leg 10 comprises leg 11 and the setting nut 12 that is threaded in leg 11 tops; The upper end of leg 11 is stretched out setting nut 12 backs and is threaded with the bottom surface of detection platform 1; Through regulating each adjustable support leg 10, can adjust the levelness of detection platform 1.
Be respectively equipped with the bar shaped locating slot on the end face of detection platform 1 and on the bottom surface of supporting seat 2, be provided with the positioning key 8 that is complementary with it in the bar shaped locating slot, greatly facilitate the location of supporting seat 2, improved work efficiency through positioning key 8.
In order to adapt to the axial workpiece of different-diameter, the end face of supporting seat 2 is provided with slide rail, and slide rail is along the fore-and-aft direction setting, two bearing bridge 3 be separately positioned on slide rail preceding, back two ends, and fastening through the jackscrew that is arranged on bearing bridge 3 sides.The axis part diameter that detects when needs hour unclamps the jackscrew on bearing bridge 3 sides, and two bearing bridge on the supporting seat 2 are moved in opposite directions, dwindle the distance between the two, and then the jackscrew of screwing is fixing with supporting seat 2 with bearing bridge 3; When the axis part diameter that detects when needs is big, unclamp the jackscrew on bearing bridge 3 sides, with 3 opposing the moving of two bearing bridge on the supporting seat 2, enlarge the distance between the two, and then the jackscrew of screwing is fixing with supporting seat 2 with bearing bridge 3.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (8)
1. the internal taper hole of axial workpiece and end face form and position tolerance pick-up unit; Comprise detection platform; It is characterized in that said detection platform is provided with four bearing bridge, rotate on the said bearing bridge and be provided with rolling bearing; The axis of four said rolling bearings is parallel with the end face of said detection platform respectively, and the center of four said rolling bearings be in turn connected to form one with the parallel rectangle of said detection platform end face.
2. the internal taper hole of axial workpiece according to claim 1 and end face form and position tolerance pick-up unit is characterized in that, four jiaos of places, the bottom surface of said detection platform are provided with adjustable support leg respectively.
3. the internal taper hole of axial workpiece according to claim 1 and end face form and position tolerance pick-up unit; It is characterized in that; Also be provided with two left and right supporting seats that are oppositely arranged on the said detection platform, four said bearing bridge are separately positioned on two said supporting seats.
4. the internal taper hole of axial workpiece according to claim 3 and end face form and position tolerance pick-up unit; It is characterized in that; Be respectively equipped with the bar shaped locating slot on the end face of said detection platform and on the bottom surface of said supporting seat, be provided with the positioning key that is complementary with it in the said bar shaped locating slot.
5. the internal taper hole of axial workpiece according to claim 3 and end face form and position tolerance pick-up unit; It is characterized in that; Said supporting seat is provided with slide rail; Said slide rail is along the fore-and-aft direction setting, two said bearing bridge be separately positioned on said slide rail preceding, back two ends, and fastening through the jackscrew that is arranged on the said bearing bridge side.
6. the internal taper hole of axial workpiece according to claim 2 and end face form and position tolerance pick-up unit; It is characterized in that; Said adjustable support leg comprises leg and the setting nut that is threaded in said leg top, and the top of said leg is threaded with the bottom surface of said detection platform after stretching out said setting nut.
7. the internal taper hole of axial workpiece according to claim 1 and end face form and position tolerance pick-up unit; The end face of said bearing bridge is provided with the U-shaped open slot; Two sidewalls of said U-shaped open slot are provided with and run through through hole, and bearing pin is fixed through clamp nut after passing another sidewall of a sidewall, rolling bearing and said U-shaped open slot of said U-shaped open slot successively.
8. the internal taper hole of axial workpiece according to claim 7 and end face form and position tolerance pick-up unit is characterized in that, are provided with pad between the sidewall of said rolling bearing and said U-shaped open slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205596770U CN202382675U (en) | 2011-12-28 | 2011-12-28 | Geometric tolerance detecting device of inner cone holes and end faces of shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205596770U CN202382675U (en) | 2011-12-28 | 2011-12-28 | Geometric tolerance detecting device of inner cone holes and end faces of shaft parts |
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|---|---|
| CN202382675U true CN202382675U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205596770U Expired - Lifetime CN202382675U (en) | 2011-12-28 | 2011-12-28 | Geometric tolerance detecting device of inner cone holes and end faces of shaft parts |
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| CN (1) | CN202382675U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591926A (en) * | 2012-08-16 | 2014-02-19 | 北京南口轨道交通机械有限责任公司 | Shaft part warpage measuring auxiliary tool |
| CN104117875A (en) * | 2013-04-28 | 2014-10-29 | 苏州***仪器有限公司 | Multiple main shaft system accuracy dynamic detection device |
| CN105043198A (en) * | 2015-08-12 | 2015-11-11 | 丹阳市亚邦精密机械有限公司 | Tool for detecting jitter of shaft parts |
| CN105135971A (en) * | 2015-09-02 | 2015-12-09 | 吴忠仪表有限责任公司 | Movable spherical core comprehensive error detecting device supported by double vertical columns |
| CN106197194A (en) * | 2016-07-16 | 2016-12-07 | 冯文杰 | A kind of electromotor Shaft testing device |
| CN107036566A (en) * | 2017-05-25 | 2017-08-11 | 中核（天津）机械有限公司 | The detection means of columnar workpiece end face run-out |
| CN108534630A (en) * | 2018-05-03 | 2018-09-14 | 平湖市宇达精密机械有限公司 | Gear shaft end face and inner hole detecting device |
| CN108759640A (en) * | 2018-08-09 | 2018-11-06 | 四川纳涂科技有限公司 | Taper hole coating uniformity detecting tool and detection method in diamond cone casement |
| CN109238081A (en) * | 2018-11-15 | 2019-01-18 | 河南瑞创通用机械制造有限公司 | A kind of shaft element multifunctional detecting device |
| CN110906890A (en) * | 2019-11-29 | 2020-03-24 | 河北三和重工装备制造有限责任公司 | Method for detecting pumping rod jumping degree |
-
2011
- 2011-12-28 CN CN2011205596770U patent/CN202382675U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591926A (en) * | 2012-08-16 | 2014-02-19 | 北京南口轨道交通机械有限责任公司 | Shaft part warpage measuring auxiliary tool |
| CN104117875A (en) * | 2013-04-28 | 2014-10-29 | 苏州***仪器有限公司 | Multiple main shaft system accuracy dynamic detection device |
| CN105043198A (en) * | 2015-08-12 | 2015-11-11 | 丹阳市亚邦精密机械有限公司 | Tool for detecting jitter of shaft parts |
| CN105135971A (en) * | 2015-09-02 | 2015-12-09 | 吴忠仪表有限责任公司 | Movable spherical core comprehensive error detecting device supported by double vertical columns |
| CN106197194A (en) * | 2016-07-16 | 2016-12-07 | 冯文杰 | A kind of electromotor Shaft testing device |
| CN107036566A (en) * | 2017-05-25 | 2017-08-11 | 中核（天津）机械有限公司 | The detection means of columnar workpiece end face run-out |
| CN108534630A (en) * | 2018-05-03 | 2018-09-14 | 平湖市宇达精密机械有限公司 | Gear shaft end face and inner hole detecting device |
| CN108759640A (en) * | 2018-08-09 | 2018-11-06 | 四川纳涂科技有限公司 | Taper hole coating uniformity detecting tool and detection method in diamond cone casement |
| CN109238081A (en) * | 2018-11-15 | 2019-01-18 | 河南瑞创通用机械制造有限公司 | A kind of shaft element multifunctional detecting device |
| CN110906890A (en) * | 2019-11-29 | 2020-03-24 | 河北三和重工装备制造有限责任公司 | Method for detecting pumping rod jumping degree |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
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| CX01 | Expiry of patent term |