CN103851986A - Clearance measurement clamp - Google Patents
Clearance measurement clamp Download PDFInfo
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- CN103851986A CN103851986A CN201210505454.5A CN201210505454A CN103851986A CN 103851986 A CN103851986 A CN 103851986A CN 201210505454 A CN201210505454 A CN 201210505454A CN 103851986 A CN103851986 A CN 103851986A
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- needle
- pin
- clearance measurement
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a clearance measurement clamp and belongs to the technical field of automotive instrument cross coil machine core assembling. With the clearance measurement clamp adopted, the problem of inaccurate determination of a pin shaft clearance and the size thereof by manual drawing can be solved. The clearance measurement clamp is characterized in that the clamp is composed of a main clamp body, a clamping mechanism, a measuring mechanism, a machine core positioning mechanism and a lifting mechanism. Specifically, the main clamp body is formed by a base plate and a support; the clamping mechanism includes a pin clamping plate, a small shaft, a short pin, an inclined block, a pressure spring, a rotating shaft, a handwheel, a pin, a pin clamping spring, and a pin clamping seat; the measuring mechanism includes a measuring head, a first inner hexagonal head screw, a dial indicator, a shaft sleeve and a limit rod; the machine core positioning mechanism consists of a spring, a positioning seat and a guide rod; and the lifting mechanism comprises an eccentric wheel, a supporting seat, a second inner hexagonal head screw, an eccentric wheel shaft, a cover and a cross recess screw. The clearance measurement clamp of the invention is advantageous in convenient operation, precise measurement, low cost, and simple and practical structure, and can be applied to the technical field of the automotive electronic type meter machine core and micro-displacement changing measurement.
Description
Technical field
The invention belongs to automobile instrument convenient type crossed coil cassette mechanism mounting technology field, also can be applied to micrometric displacement measure of the change.Be specifically related to a kind of fixture of surveyor's cross circle clock mechanism plunger end play.
Background technology
A few days ago, in automobile instrument production, need to guarantee pointer energy normal rotation, namely instrument needle shaft gap meets product design requirement.In production, confirming to have by artificial hand-lifting does not have enough needle shaft gap and size thereof, accurate not, can not guarantee that whether needle shaft gap is reasonable.Movement end play is not had to ready-made testing tool equipment, just need to design a secondary measured material, after test, guarantee that needle shaft gap, in rational scope, reaches quality control needs.
summary of the invention
Object of the present invention provides a kind of fixture for above-mentioned weak point exactly, and the end play value of the main surveyor's cross circle of this fixture clock mechanism plunger is measured accurately, and method is simple, can facilitate observed and recorded to measured value.There is feature simple in structure, easy to operate, cost is low, adapt to the automobile instrument products such as various fuel level gauges, rain glass, water-thermometer.
Technical solution of the present invention is: a kind of clearance measurement fixture, is characterized in that: be made up of jig main body, clamp system, measuring mechanism, movement detent mechanism and elevating mechanism; Wherein, jig main body is to be made up of clamp bottom board and fixture mount; Clamp system is made up of needle clamping plate, little axle, short pin, skewback, rotating shaft, stage clip, handwheel, pin, folder needle spring and needle clip seat, is arranged on fixture mount right side central, and is fixed on the top of elevating mechanism; Measuring mechanism comprises measuring head, the first socket head cap screw, dial gauge, axle sleeve and gag lever post; Movement detent mechanism comprises spring, positioning seat and guide rod, and guide rod is fixed on clamp bottom board; Elevating mechanism comprises eccentric wheel, bearing, the second socket head cap screw, camshaft, lid, Philips screw, and bearing is fixed on clamp bottom board.
Jig main body described in technical solution of the present invention is assembled into half work shape by Steel material clamp bottom board and the L shaped fixture mount of Steel material, for installing and the each parts of stationary fixture, simple in structure.
After folder needle spring in clamp system described in technical solution of the present invention and needle clamping plate assembling, be fixed on needle clip seat left end by two little axles, skewback is enclosed within after rotating shaft left end spacing with short pin, rotating shaft is horizontally through the pilot hole on needle clip seat right side, the fixing handwheel of pin for opposite side, two stage clips are fixed on the bearing of elevating mechanism through needle clip seat preformed hole, and whole clamp system is in jig main body right side central.
Measuring head described in technical solution of the present invention is installed on dial gauge after dial gauge probe is removed, screw thread and axle sleeve are fixed, axle sleeve is fixed on dial gauge sounding rod by the first socket head cap screw, and whole measuring mechanism is fixed in fixture mount by axle sleeve.
Guide rod described in technical solution of the present invention is fixed on clamp bottom board through sleeve spring after positioning seat.
Eccentric wheel described in technical solution of the present invention and camshaft assembling, be fixed on bearing by Philips screw and lid, and bearing is fixed on clamp bottom board with two piece of second socket head cap screw.
A kind of clearance measurement fixture that the present invention is made up of jig main body, clamp system, measuring mechanism, movement detent mechanism and elevating mechanism.In the central axis of measuring mechanism, movement detent mechanism and clamp system, the hole central axis of threading a needle of needle clamping plate is coaxial, elevating mechanism in clamp system needle clip seat below, be fixed on clamp bottom board.Install while adjusting measuring mechanism and make dial indicator measuring head position contact product clock mechanism plunger and have pretightning force, fixing dial gauge.When product is detected, by positioning seat along pressing spring under guide rod, place product (movement) location, slowly allow positioning seat upwards rebound, now clock mechanism plunger is in the folder pin hole of needle clamping plate, after rotation clamp system handwheel clamps needle shaft, rotation (is hampered and stops, oppositely return, can not overexert, in order to avoid damage product) camshaft of elevating mechanism, make needle shaft along with clamp system moves up, the variable quantity of observing pointer on dial gauge, its variation range is the meter movement needle shaft end play value measuring.Tested rear rotating eccentricity wheel shaft and got back to initial position, convolution clamp system handwheel unclamps needle shaft, presses down positioning seat and takes out movement.The present invention can accurately measure the axial micro-displacement error of needle shaft, and operation rationally, prevents from that artificial hand from twisting to cause movement bad.Make clamp system lifting by ingenious use eccentric wheel, the feature of reached simple in structure, cost is low, easy to operate, easy to use, has met technology requirement.
The present invention has the advantages that measuring accuracy is high, easy to operate, safe and reliable, cost is low, simple and practical.The present invention is mainly used in automobile electric minor table movement technical field, also can be applied to micrometric displacement measure of the change.
Accompanying drawing explanation
Fig. 1 is contour structures schematic diagram of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of rotating shaft.
Fig. 4 is the schematic diagram of needle clamping plate.
Fig. 5 is the schematic diagram of needle clip seat.
Embodiment
As shown in Figures 1 to 5.A kind of clearance measurement fixture of the present invention is made up of jig main body, clamp system, measuring mechanism, movement detent mechanism and elevating mechanism.Wherein, jig main body is the chuck body being assembled by machined part, and for installing and the each parts parts of stationary fixture, its clamp bottom board 1 and fixture mount 6 adopt Steel material to be processed into half work type, simple in structure.Clamp system is arranged on fixture right side central, is made up of needle clamping plate 10, little axle 11, short pin 12, skewback 13, stage clip 14, rotating shaft 15, handwheel 16, pin 17, needle clip seat 18 and folder needle spring 26.Folder needle spring 26 is fixed on needle clip seat 18 left ends by two little axles 11 after assembling with needle clamping plate 10, rotating shaft 15 left ends are through behind the hole at skewback 13 middle parts, short pin 12 embeds the aperture of rotating shaft 15 left ends, rotating shaft 15 is horizontally through needle clip seat 18, right side is fixedly connected with rotating shaft 15 and handwheel 16 with pin 17, two stage clips 14 are longitudinally fixed on the bearing 20 of elevating mechanism through the hole of needle clip seat 18, and whole clamp system is in fixture right side central.Measuring mechanism comprises measuring head 5, gag lever post 25, the first socket head cap screw 7, dial gauge 8 and axle sleeve 9, measuring head 5 is installed on dial gauge 8 after dial gauge probe is removed, screw thread and axle sleeve 9 are fixing, axle sleeve 9 is fixed on dial gauge sounding rod by the first socket head cap screw 7, and whole measuring mechanism is fixed in fixture mount 6 by axle sleeve 9.Movement detent mechanism comprises spring 2, positioning seat 3 and guide rod 4, and guide rod 4 is fixed on clamp bottom board 1 through the rear sleeve spring 2 of positioning seat 3.Elevating mechanism comprises eccentric wheel 19, bearing 20, the second socket head cap screw 21, camshaft 22, lid 23, Philips screw 24, eccentric wheel 19 is assembled with camshaft 22, be fixed on bearing 20 by Philips screw 24 and lid 23,2 piece of second socket head cap screw 21 of bearing 20 use is fixed on clamp bottom board 1.
Measure, the hole central axis of threading a needle of needle clamping plate 20 is coaxial in the central axis of movement detent mechanism and clamp system, elevating mechanism in clamp system needle clip seat 18 below, be fixed on clamp bottom board 1.Install while adjusting measuring mechanism and make dial gauge 5 measuring head position contact product clock mechanism plungers and have pretightning force, fixing dial gauge.When product is detected, by positioning seat 3 along 4 times pressing springs 2 of guide rod, place product (movement) location, slowly allow positioning seat 3 upwards rebound, now clock mechanism plunger is in the folder pin hole of needle clamping plate 20, after rotation clamp system handwheel 16 clamps needle shaft 15, rotation (is hampered and stops, oppositely return, can not overexert) camshaft 22 of elevating mechanism, make needle shaft along with clamp system moves up, observe the variable quantity of pointer on dial gauge 5, its variation range is the meter movement needle shaft end play value measuring.Tested rear rotating eccentricity wheel shaft and got back to initial position, convolution clamp system handwheel unclamps needle shaft, presses down positioning seat and takes out movement.
Claims (6)
1. a clearance measurement fixture, is characterized in that: be made up of jig main body, clamp system, measuring mechanism, movement detent mechanism and elevating mechanism; Wherein, jig main body is to be made up of clamp bottom board (1) and fixture mount (6); Clamp system is made up of needle clamping plate (10), little axle (11), short pin (12), skewback (13), stage clip (14), rotating shaft (15), handwheel (16), pin (17), needle clip seat (18) and folder needle spring (26), is arranged on fixture right side central; Measuring mechanism comprises measuring head (5), the first socket head cap screw (7), dial gauge (8), axle sleeve (9) and gag lever post (25); Movement detent mechanism comprises spring (2), positioning seat (3) and guide rod (4), and guide rod (4) is fixed on clamp bottom board (1); Elevating mechanism comprises eccentric wheel (19), bearing (20), the second socket head cap screw (21), camshaft (22), lid (23), Philips screw (24), and bearing (20) is fixed on clamp bottom board (1).
2. a kind of clearance measurement fixture according to claim 1, is characterized in that: described jig main body is assembled into half work shape by Steel material clamp bottom board (1) and the L shaped fixture mount of Steel material (6).
3. a kind of clearance measurement fixture according to claim 1 and 2, it is characterized in that: the folder needle spring (26) in described clamp system is fixed on needle clip seat (18) left end with needle clamping plate (10) assembling is rear by two little axles (11), behind the hole of rotating shaft (15) left end through skewback (13) middle part, short pin (12) embeds the aperture of rotating shaft (15) left end, rotating shaft (15) is horizontally through the pilot hole on needle clip seat (18) right side, pin for right side (17) is fixedly connected with rotating shaft (15) and handwheel (16), two stage clips (14) are fixed on the bearing (20) of elevating mechanism through needle clip seat (18) preformed hole, whole clamp system is in jig main body right side central.
4. a kind of clearance measurement fixture according to claim 1 and 2, it is characterized in that: described measuring head (5) is installed on dial gauge (8) after dial gauge probe is removed, screw thread and axle sleeve (9) are fixing, axle sleeve (9) is fixed on dial gauge sounding rod by the first socket head cap screw (7), and whole measurement is fixed in fixture mount (6) by axle sleeve (9).
5. a kind of clearance measurement fixture according to claim 1 and 2, is characterized in that: described guide rod (4) is fixed on clamp bottom board (1) through sleeve spring (2) after positioning seat (3).
6. a kind of clearance measurement fixture according to claim 1 and 2, it is characterized in that: described eccentric wheel (19) and camshaft (22) assembling, be fixed on bearing (20) by Philips screw (24) and lid (23) upper, bearing (20) is fixed on clamp bottom board (1) with two piece of second socket head cap screw (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210505454.5A CN103851986B (en) | 2012-12-03 | 2012-12-03 | A kind of clearance measurement fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210505454.5A CN103851986B (en) | 2012-12-03 | 2012-12-03 | A kind of clearance measurement fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103851986A true CN103851986A (en) | 2014-06-11 |
| CN103851986B CN103851986B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210505454.5A Active CN103851986B (en) | 2012-12-03 | 2012-12-03 | A kind of clearance measurement fixture |
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| CN (1) | CN103851986B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913920A (en) * | 2015-06-18 | 2015-09-16 | 无锡曙光模具有限公司 | Elastic force measurement detection tool for spring plate |
| CN107966089A (en) * | 2017-11-29 | 2018-04-27 | 陕西航空电气有限责任公司 | A kind of fixture for detecting axial clearance of motor |
| CN110375610A (en) * | 2019-08-21 | 2019-10-25 | 荆州恒隆汽车技术(检测)中心 | A kind of measuring device of automobile spider center point offset |
| CN113386061A (en) * | 2021-06-11 | 2021-09-14 | 重庆红江机械有限责任公司 | Electric control unit pump lift air gap measuring device |
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| JP2009063516A (en) * | 2007-09-07 | 2009-03-26 | Nsk Ltd | Bearing-measuring method and instrument |
| CN101929830A (en) * | 2009-06-19 | 2010-12-29 | 宝山钢铁股份有限公司 | Method for measuring gap between bearings of roll shafts of pinch rolls |
| KR20110080521A (en) * | 2010-01-06 | 2011-07-13 | 엘아이지넥스원 주식회사 | Apparatus for measuring axial play of bearing |
| CN102538635A (en) * | 2010-12-15 | 2012-07-04 | 桂林航天电子有限公司 | Axial clearance detection device for electromagnetic relay and use method thereof |
| CN102689171A (en) * | 2012-06-08 | 2012-09-26 | 上海康比利仪表有限公司 | Automatic accurate adjustment system for instrument movement clearance |
| CN203037186U (en) * | 2012-12-03 | 2013-07-03 | 东风汽车电子有限公司 | Clearance measurement clamp |
-
2012
- 2012-12-03 CN CN201210505454.5A patent/CN103851986B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009063516A (en) * | 2007-09-07 | 2009-03-26 | Nsk Ltd | Bearing-measuring method and instrument |
| CN101929830A (en) * | 2009-06-19 | 2010-12-29 | 宝山钢铁股份有限公司 | Method for measuring gap between bearings of roll shafts of pinch rolls |
| KR20110080521A (en) * | 2010-01-06 | 2011-07-13 | 엘아이지넥스원 주식회사 | Apparatus for measuring axial play of bearing |
| CN102538635A (en) * | 2010-12-15 | 2012-07-04 | 桂林航天电子有限公司 | Axial clearance detection device for electromagnetic relay and use method thereof |
| CN102689171A (en) * | 2012-06-08 | 2012-09-26 | 上海康比利仪表有限公司 | Automatic accurate adjustment system for instrument movement clearance |
| CN203037186U (en) * | 2012-12-03 | 2013-07-03 | 东风汽车电子有限公司 | Clearance measurement clamp |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913920A (en) * | 2015-06-18 | 2015-09-16 | 无锡曙光模具有限公司 | Elastic force measurement detection tool for spring plate |
| CN104913920B (en) * | 2015-06-18 | 2017-09-05 | 无锡曙光模具有限公司 | The elastic force of spring leaf determines cubing |
| CN107966089A (en) * | 2017-11-29 | 2018-04-27 | 陕西航空电气有限责任公司 | A kind of fixture for detecting axial clearance of motor |
| CN107966089B (en) * | 2017-11-29 | 2019-10-18 | 陕西航空电气有限责任公司 | A kind of fixture detecting axial clearance of motor |
| CN110375610A (en) * | 2019-08-21 | 2019-10-25 | 荆州恒隆汽车技术(检测)中心 | A kind of measuring device of automobile spider center point offset |
| CN110375610B (en) * | 2019-08-21 | 2024-04-12 | 武汉捷隆汽车电动转向系统有限公司 | Measuring device for offset of center point of automobile cross axle |
| CN113386061A (en) * | 2021-06-11 | 2021-09-14 | 重庆红江机械有限责任公司 | Electric control unit pump lift air gap measuring device |
| CN113386061B (en) * | 2021-06-11 | 2024-01-30 | 重庆红江机械有限责任公司 | Electric control unit pump lift air gap measuring device |
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| Publication number | Publication date |
|---|---|
| CN103851986B (en) | 2016-10-19 |
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Address after: 441000 Jiangshan South Road Venture Center, Xiangyang High-tech Zone, Hubei Province Patentee after: Dongfeng Power Drive System Co., Ltd. Address before: 441001 No. 227 Daqing East Road, Xiangfan City, Hubei Province Patentee before: DONGFENG AUTOMOBILE ELECTRONICS CO., LTD. |
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