CN103353394A - Plane scroll spring life test machine - Google Patents

Plane scroll spring life test machine Download PDF

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Publication number
CN103353394A
CN103353394A CN2013103015019A CN201310301501A CN103353394A CN 103353394 A CN103353394 A CN 103353394A CN 2013103015019 A CN2013103015019 A CN 2013103015019A CN 201310301501 A CN201310301501 A CN 201310301501A CN 103353394 A CN103353394 A CN 103353394A
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CN
China
Prior art keywords
mandrel
scroll spring
rod
plane scroll
main shaft
Prior art date
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.)
Granted
Application number
CN2013103015019A
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Chinese (zh)
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CN103353394B (en
Inventor
华启升
王庆忠
翁云富
杨旭东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO YUNSHENG ELASTICITY ELEMENT Co Ltd
YUNSHENG HOLDING GROUP CO Ltd
Original Assignee
NINGBO YUNSHENG ELASTICITY ELEMENT Co Ltd
YUNSHENG HOLDING GROUP CO Ltd
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Application filed by NINGBO YUNSHENG ELASTICITY ELEMENT Co Ltd, YUNSHENG HOLDING GROUP CO Ltd filed Critical NINGBO YUNSHENG ELASTICITY ELEMENT Co Ltd
Priority to CN201310301501.9A priority Critical patent/CN103353394B/en
Publication of CN103353394A publication Critical patent/CN103353394A/en
Application granted granted Critical
Publication of CN103353394B publication Critical patent/CN103353394B/en
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Abstract

A plane scroll spring life test machine comprises a driving mechanism, a main shaft, a pressure plate, a rotating disk, a central spindle and a curling fixture. One end of the plane scroll spring is fixed on the rotating disk and the other end is fixed on the curling fixture. The main shaft is connected with the rotating disk. The driving mechanism drives the main shaft. The central spindle is arranged in the main shaft and the main shaft is supported by a bearing. The one end of the central spindle passes through the rotating disk and is fixed with the curling fixture. The other end of the central spindle is fixed with a connecting rod. The connecting rod is limited by a limit slot which is vertical to a lower limited block. A proximity switch is arranged on a connecting rod swing path. The connecting rod is close to the proximity switch so as to operate the driving mechanism. The connecting rod leaves the proximity switch so as to close the driving mechanism. The proximity switch is arranged to control on and off of the motor. Fracture of the plane scroll spring is used to touch the proximity switch. During the test, under the condition that the plane scroll spring is in a good condition, after the spring is preloaded, equipment runs normally. Otherwise, after the spring is broken, the equipment automatically stops and does not counting. Therefore, the number of life can be accurately tested and the motor can timely stop working.

Description

The plane scroll spring life testing machine
Technical field
The present invention relates to the plane scroll spring field tests, particularly a kind of instrument that can test the plane scroll spring life-span.
Background technology
As shown in Figure 1, existing plane scroll spring life testing machine comprises pressing plate 1, shaft collar 2, mandrel 3, shaft coupling 4, reductor 5, motor 6, and motor 6 is fixing with mandrel 3 by speed reduction unit 5, shaft coupling 4.During test, plane scroll spring is fixed between shaft collar 2 and the mandrel 3 and by pressing plate 1 and pushes down, and starter motor 6 makes mandrel 3 rotations, and plane scroll spring begins mathematic(al) expectation.To plane scroll spring fracture, because of mandrel 3 and motor 6 still in rotation, feedback not, counting is also still continuing, therefore, the test plane scroll spring need someone be supervised, and the life-span error that the actual life of plane scroll spring and the test of plane scroll spring life testing machine show is larger.
Summary of the invention
Technical matters to be solved by this invention is to overcome the above-mentioned deficiency of prior art and a kind of plane scroll spring life testing machine is provided, life-span that can the Accurate Measurement plane scroll spring.
The present invention solves the problems of the technologies described above the technical scheme that adopts:
The plane scroll spring life testing machine, comprise driving mechanism, main shaft, pressing plate, rotating disk, mandrel, curling tool, plane scroll spring one end is fixed on the rotating disk, the other end is fixed on curling tool, main shaft is connected with rotating disk, the driving mechanism drive shaft, mandrel is set in the main shaft and is supported by bearing, mandrel one end passes rotating disk and fixes with curling tool, the mandrel other end and connecting rod are fixed, and be spacing in the stopper slot of connecting rod by the limited block of vertical lower, and approach switch is arranged on the connecting rod swing path, connecting rod is because starting driving mechanism near approach switch, and connecting rod is closed driving mechanism because leaving approach switch.
Better, above-mentioned mandrel is divided into mandrel I and mandrel II, and mandrel I one end passes rotating disk and fixes with curling tool, and the mandrel I other end and mandrel II one end are fixed, and the mandrel II other end and connecting rod are fixed, and mandrel can be processed better like this.
Better, above-mentioned driving mechanism comprises motor, driving gear, follower gear, and electric machine main shaft connects driving gear, and follower gear is enclosed within on the main shaft, driving gear and follower gear engagement.
Better, said motor links to each other with main shaft by speed reduction unit.
Compared with prior art, the invention has the advantages that: because the opening and closing of approach switch control motor are set, and remove to touch approach switch by the fracture of plane scroll spring, when therefore testing, in the intact situation of plane scroll spring, spring is behind pretension, and equipment runs well.Otherwise after the spring weak point split, the equipment auto stop was no longer counted, and therefore can accurately test the life-span number of times, and motor can quit work in time.
Description of drawings
Fig. 1 is existing plane scroll spring life testing machine structural representation.
Fig. 2 is the explosive view of embodiment of the invention plane scroll spring life testing machine.
Fig. 3 is the structural representation of embodiment of the invention plane scroll spring life testing machine.
Fig. 4 is the vertical view of embodiment of the invention plane scroll spring life testing machine.
Embodiment
The invention will be further described below in conjunction with accompanying drawing embodiment.
Such as Fig. 2, shown in Figure 3, mandrel I 7 front ends and rotating disk 25 are fixing, and curling tool 37 is fixed on the mandrel I 7, and mandrel I 7 is connected with mandrel II 14, and mandrel II 14 rear portions are by supporting holder assembly 16 supportings, and mandrel II 14 rear ends and connecting rod 32 are fixing.
Main shaft 11 is enclosed within on mandrel I 7 and the mandrel II 14, and mandrel I 7 is supported by main shaft 11 by bearing 8, and main shaft 11 front ends are bearing on the front-end bearing pedestal assembly 9 by bearing, and the rear end is by bearing block assembly 15 supportings.
Connecting rod 32 is spacing by the stopper slot 311 of the limited block 31 of vertical lower, and stopper slot 311 width are greater than the width of connecting rod 32, so connecting rod 32 can swing under the twisting force of mandrel II 14, but owing to the restriction of stopper slot 311, its oscillating stroke is limited.
Approach switch (not shown in FIG.) is arranged on connecting rod 32 and swings on the path, and connecting rod 32 is because starting motor 6 near approach switch, and connecting rod 32 is because leaving approach switch disable motor 6.
Driving mechanism comprises motor 6, driving gear 20, follower gear 34, and motor connects driving gear 20 by speed reduction unit 5, and driven tooth wheel case 34 is on main shaft 11, and Fig. 4 is seen in driving gear and follower gear engagement.When follower gear 34 during by driving gear 20 driven rotary, main shaft 11 is and then rotation also, the other end of main shaft 11 is installed on the rotating disk 25, main shaft 11 rotates then also and then rotation of rotating disk 25, but because main shaft 11 does not contact with mandrel II 14 with mandrel I 7, so mandrel I 7 can and then not rotated with mandrel II 14.
The miscellaneous part of above-mentioned driving mechanism and test machine all is fixed on the frame 21.
In plane scroll spring when test,, the outer hook end of plane scroll spring is fixed on the rotating disk 25 by chuck 24, and the hook end is fixed on the curling tool 37 in the plane scroll spring, and spacing by pressing plate 1, prevents that plane scroll spring from deviating from.
Need first predetermined 3-4 circle at test frontal plane scroll spring, namely rotating disk 25 turns first the 3-4 circle, because the interior hook end of plane scroll spring pretension 3-4 circle back plane scroll spring will be stressed, and the interior hook end of plane scroll spring is fixed on the curling tool 37, so curling tool 37 is stressed too.Curling tool 37 links to each other with mandrel II 14, connecting rod 32 is connected to again the other end of mandrel II 14, so connecting rod 32 is also stressed, will swing after connecting rod 32 is stressed, he will swing to the right when being subjected to dextrorotation power, he will swing left when being subjected to left-handed power, and stressed direction depends on the direction of plane scroll spring pretension.General closed planar scroll spring pretension only has a direction, so connecting rod 32 also only can swing toward a direction, approach switch then is installed in that direction that connecting rod 32 swings, and when connecting when catching up with connecting rod 32 pendulum to come, then the approach switch opertaing device runs well.After the plane scroll spring fracture, the interior hook end of plane scroll spring is just no longer stressed, and connecting rod 32 has not just stressed yet, can be again to the direction swing of approach switch, and approach switch then opertaing device shuts down.

Claims (4)

1. plane scroll spring life testing machine, it is characterized in that: comprise driving mechanism, main shaft, pressing plate, rotating disk, mandrel, curling tool, plane scroll spring one end is fixed on the rotating disk, the other end is fixed on curling tool, main shaft is connected with rotating disk, the driving mechanism drive shaft, mandrel is set in the main shaft and is supported by bearing, mandrel one end passes rotating disk and fixes with curling tool, the mandrel other end and connecting rod are fixed, and be spacing in the stopper slot of connecting rod by the limited block of vertical lower, and approach switch is arranged on the connecting rod swing path, connecting rod is because starting driving mechanism near approach switch, and connecting rod is closed driving mechanism because leaving approach switch.
2. plane scroll spring life testing machine as claimed in claim 1, it is characterized in that: described mandrel is divided into mandrel I and mandrel II, mandrel I one end passes rotating disk and fixes with curling tool, and the mandrel I other end and mandrel II one end are fixed, and the mandrel II other end and connecting rod are fixed.
3. plane scroll spring life testing machine as claimed in claim 1 or 2, it is characterized in that: described driving mechanism comprises motor, driving gear, follower gear, electric machine main shaft connects driving gear, and follower gear is enclosed within on the main shaft, driving gear and follower gear engagement.
4. plane scroll spring life testing machine as claimed in claim 3, it is characterized in that: described motor links to each other with main shaft by speed reduction unit.
CN201310301501.9A 2013-07-17 2013-07-17 Plane scroll spring life testing machine Active CN103353394B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201310301501.9A CN103353394B (en) 2013-07-17 2013-07-17 Plane scroll spring life testing machine

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CN103353394B CN103353394B (en) 2016-01-13

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105043748A (en) * 2015-08-27 2015-11-11 苏州金牛精密机械有限公司 Fixing device used for coil spring life test machine
CN105067253A (en) * 2015-08-26 2015-11-18 苏州金牛精密机械有限公司 Coiling spring service life detection machine with self-locking function
CN105699059A (en) * 2015-10-27 2016-06-22 北京航科发动机控制系统科技有限公司 Torsion spring measuring tool
CN110125631A (en) * 2019-04-28 2019-08-16 上海航天设备制造总厂有限公司 A kind of scroll spring running in machine and method
CN110873643A (en) * 2019-11-19 2020-03-10 北京航空航天大学 Accelerated storage life test system for planar spiral spring

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JPH06109592A (en) * 1992-09-30 1994-04-19 Yokogawa Electric Corp Evaluating method for spiral spring
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CN102151926A (en) * 2011-02-18 2011-08-17 宁波高新区聚光太阳能有限公司 Energy storage and conversion device of high-speed wire cutting and conveying system
CN102661901A (en) * 2012-04-20 2012-09-12 芜湖杰锋汽车动力系统有限公司 Fatigue test equipment for flat spiral springs and method for performing fatigue test by aid of fatigue test equipment
CN202903477U (en) * 2012-12-03 2013-04-24 浙江美力科技股份有限公司 Novel fatigue test machine of directionally rotary flat volute spiral spring
CN203231891U (en) * 2013-07-17 2013-10-09 韵升控股集团有限公司 Service life test machine for flat spiral springs

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JPH06109592A (en) * 1992-09-30 1994-04-19 Yokogawa Electric Corp Evaluating method for spiral spring
CN2537832Y (en) * 2002-02-22 2003-02-26 帖德顺 Full autoamtic spring starter
CN2638939Y (en) * 2003-08-01 2004-09-08 陈百捷 Gripping head of manipulator
JP2010054202A (en) * 2008-08-26 2010-03-11 Takano Co Ltd Inspection system for gas spring
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CN102151926A (en) * 2011-02-18 2011-08-17 宁波高新区聚光太阳能有限公司 Energy storage and conversion device of high-speed wire cutting and conveying system
CN102661901A (en) * 2012-04-20 2012-09-12 芜湖杰锋汽车动力系统有限公司 Fatigue test equipment for flat spiral springs and method for performing fatigue test by aid of fatigue test equipment
CN202903477U (en) * 2012-12-03 2013-04-24 浙江美力科技股份有限公司 Novel fatigue test machine of directionally rotary flat volute spiral spring
CN203231891U (en) * 2013-07-17 2013-10-09 韵升控股集团有限公司 Service life test machine for flat spiral springs

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105067253A (en) * 2015-08-26 2015-11-18 苏州金牛精密机械有限公司 Coiling spring service life detection machine with self-locking function
CN105043748A (en) * 2015-08-27 2015-11-11 苏州金牛精密机械有限公司 Fixing device used for coil spring life test machine
CN105043748B (en) * 2015-08-27 2017-11-28 苏州金牛精密机械有限公司 A kind of fixing device with coil spring life testing machine
CN105699059A (en) * 2015-10-27 2016-06-22 北京航科发动机控制系统科技有限公司 Torsion spring measuring tool
CN110125631A (en) * 2019-04-28 2019-08-16 上海航天设备制造总厂有限公司 A kind of scroll spring running in machine and method
CN110873643A (en) * 2019-11-19 2020-03-10 北京航空航天大学 Accelerated storage life test system for planar spiral spring
CN110873643B (en) * 2019-11-19 2021-05-25 北京航空航天大学 Accelerated storage life test system for planar spiral spring

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Address after: 315020 Jiangbei Industrial Park, Zhejiang, 1, No. ten, Ningbo

Applicant after: Ningbo Yunsheng Elasticity Element Co., Ltd.

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Address before: 315040 Zhejiang province Ningbo City Jiangdong District Road No. 348 Min'an

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