CN102175540B - Torsion testing device for torsional spring - Google Patents

Torsion testing device for torsional spring Download PDF

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Publication number
CN102175540B
CN102175540B CN201110045142A CN201110045142A CN102175540B CN 102175540 B CN102175540 B CN 102175540B CN 201110045142 A CN201110045142 A CN 201110045142A CN 201110045142 A CN201110045142 A CN 201110045142A CN 102175540 B CN102175540 B CN 102175540B
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China
Prior art keywords
torsion spring
torsion
anistree
pivoted arm
clamping plate
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Expired - Fee Related
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CN201110045142A
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Chinese (zh)
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CN102175540A (en
Inventor
陈国定
孙恒超
尹明虎
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NANTONG JINNIU MACHINERY MANUFACTURE CO., LTD.
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Northwestern Polytechnical University
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Abstract

The invention provides a torsion measuring device for a torsional spring. The torsion measuring device comprises a supporting member, a torsional spring twisting end member and a torsional spring fixing end member and is characterized in that the torsional spring twisting end member comprises a fixing plate, a steering plate, a pivoted arm and a movable clamping plate; the steering plate and the pivoted arm are used for determining a twist angle; and the movable clamping plate and the pivoted arm are used for clamping a torsional spring twisting end. Due to the design of a new torsional spring twisting end clamping mode, the torque and dynamic impulsive torque of the torsional spring can be measured at different twist angles; moreover, a bench clamp can be taken as the supporting member of the device; and the torsion measuring device has the characteristics of convenience for using and low cost, and can be used widely.

Description

A kind of torsion spring torsion-testing apparatus
Technical field
The present invention relates to a kind of proving installation, be specially a kind of torsion spring torsion-testing apparatus.
Background technology
The torsion spring moment of torsion is one of important indicator of weighing the torsion spring operating characteristic, and the measurement of torsion spring moment of torsion is to measure necessary part in the work of torsion spring performance index.At present, the work of torsion spring torque rating is mainly accomplished on the torsion spring machine for testing torsion, and existing torsion spring machine for testing torsion complex structure costs an arm and a leg, and various simple and easy torsion spring torque sensing system often is to make to a kind of specific torsion spring, and versatility is poor.Application number is 00259938.4 to have announced a kind of spring torque testing machine; Its bulky, complex structure; Its dynamometry pin and thrust pin are that point contacts with spring arm fixed form; So the distortion of spring arm is very big to the influence of torsion angle, be difficult to record the torque value of torsion spring under the accurate torsion angle, this spring torque testing machine can not carry out the test of torsion spring impact characteristics in addition.Application number is that the spring torque meter of 97204526.0 announcements can't obtain the corresponding torsion angle of different torque values, and the torquer precision that its ohmmeter repacks into is lower, and this spring torque meter also can not carry out the test of torsion spring impact characteristics.
Summary of the invention
The technical matters that solves
In order accurately to measure quiet moment of torsion of torsion spring and dynamic impulsion moment of torsion, can adapt to the torsion spring of various structures again, and apparatus structure is also comparatively simple, the present invention proposes a kind of torsion spring torque-measuring apparatus.
Technical scheme
Technical scheme of the present invention is:
Said a kind of torsion spring torsion-testing apparatus; Comprise that support unit, torsion spring reverse end part and torsion spring stiff end parts; Torsion spring reverses the end part and torsion spring stiff end parts all are fixed on the support unit; Torsion spring stiff end parts comprise torque sensor and test splice, and test splice passes to torque sensor with the torsion spring moment of torsion, and said torsion spring torsion-testing apparatus is characterised in that: torsion spring reverses the end part and comprises fixed head, rotation angle disk, pivoted arm, moving clamping plate and core pipe; Fixed head is fixed on the support unit; Rotation angle disk is the disc-shaped structure that has circumferential ring surface; Rotation angle disk bottom surface and fixed head side are fitted fixing; On the circumferential ring surface of rotation angle disk, evenly have some pilot holes; Rotation angle disk center and fixed head correspondence position all have axis hole, and the core pipe inserts in the axis hole of rotation angle disk center and fixed head, and with rotation angle disk and fixed head interference fit; Pivoted arm the inner has along the through hole of pivoted arm thickness direction; The core pipe passes this through hole and is connected with rotary arm bearing; On the end face of pivoted arm outer end the blind hole perpendicular to end face is arranged; Be used for the circumferential ring surface of rotation angle disk on pilot hole cooperate rotation angle disk and pivoted arm fixed, also even circular distribution has some moving clamping plate fixed orifices around the inner through hole of pivoted arm; Moving clamping plate are the platy structure that has the circular arc concave surface, and arc radius is consistent with torsion spring spring silk outline to be measured face of cylinder radius, on moving clamping plate one side plane, vertical groove is arranged; Be used for fixing torsion spring spring arm to be measured; Also have two fixed vias on the moving clamping plate, when moving clamping plate cooperated clamping torsion spring to be measured to reverse end with pivoted arm, moving clamping plate circular arc concave surface propped up torsion spring to be measured; Torsion spring spring arm to be measured is fixed in the vertical groove of moving clamping plate; On the moving clamping plate on two fixed vias and the pivoted arm any two moving clamping plate fixed orifice positions consistent, and will move clamping plate and pivoted arm is fixed, thereby torsion spring to be measured reversed to hold to grip with bolt; Mandrel passes core Guan Bingyu core ligament and cooperates; The mandrel other end inserts in the axis hole at test splice center; And with the test splice clearance fit; Torsion spring reverses on the mandrel between end part and the torsion spring stiff end parts and is with lining, and liner sleeve length equals torsion spring length to be measured, and insert diameter equals profile face of cylinder diameter in the torsion spring spring silk to be measured.
A preferred version of the present invention is characterized in that: said support unit is a bench vice.
A preferred version of the present invention; It is characterized in that: test splice one end is a platy structure; The other end is fixedly connected with torque sensor; Even circular distribution has some quiet clamping plate fixed orifices around the platy structure one end central shaft hole of test splice, and quiet clamp region is identical with moving clamp region, and quiet clamping plate cooperate clamping torsion spring stiff end to be measured with the platy structure of test splice.
A preferred version of the present invention is characterized in that: through pivoted arm being fixed on the different angles in the rotation angle disk, measure the moment of torsion under the different torsion angles of torsion spring to be measured.
A preferred version of the present invention is characterized in that: through pivoted arm being fixed on the different angles in the rotation angle disk, and match with the different fixing position of moving clamping plate on pivoted arm, measure the moment of torsion under the different torsion angles of torsion spring to be measured.
A preferred version of the present invention is characterized in that: through inserting by pin in the rotation angle disk precalculated position, measure torsion spring dynamic impulsion moment of torsion to be measured.
Beneficial effect
The present invention has designed new torsion spring and has reversed the end hold assembly, can realize measuring torsion spring moment of torsion and dynamic impulsion moment of torsion under the different torsion angles, and this device can adopt bench vice as support unit, has easy to usely, and the characteristics that cost is low can be widely used.
Description of drawings
Fig. 1: structural representation of the present invention;
Fig. 2: torsion spring reverses end part structural representation;
Fig. 3: torsion spring reverses end part structure cut-open view;
Fig. 4: torsion spring stiff end parts structural representation;
Fig. 5: moving clamp region synoptic diagram;
Fig. 6: anistree AND DEWATERING FOR ORIFICE STRUCTURE synoptic diagram;
Fig. 7: torque sensor structural representation;
Fig. 8: by the pin scheme of installation;
Wherein: 1, bench vice; 2, fixed head; 3, rotation angle disk; 4, pivoted arm; 5, pivoted arm handle; 6, lock pin; 7, core pipe; 8, mandrel; 9, bearing; 10, moving clamping plate; 11, torsion spring to be measured; 12, lining; 13, quiet clamping plate; 14, anistree plate; 15, anistree orifice plate; 16, torque sensor; 17, sensor installing plate; 18, connecting plate piece; 19, lack riser; 20, by pin.
Embodiment
Below in conjunction with embodiment the present invention is described:
Embodiment:
The described torsion spring torsion-testing apparatus of present embodiment comprises that support unit, torsion spring reverse end part and torsion spring stiff end parts.
With reference to accompanying drawing 1; Adopt bench vice 1 as support unit; Torsion spring reverses on the traveling table piece that the end part is fixed on bench vice 1; Torsion spring stiff end parts are fixed on the fixed station of bench vice 1, adjust the distance of traveling table piece and fixed station through the leading screw of bench vice 1, can conveniently realize the installation and the torsion-testing of torsion spring to be measured.
With reference to accompanying drawing 2 and accompanying drawing 3, torsion spring reverses the end part and comprises fixed head 2, rotation angle disk 3, pivoted arm 4, moving clamping plate 10 and core pipe 7.Fixed head 2 is a link, and on the traveling table piece, fit by upper side and rotation angle disk 3 bottom surfaces through screw retention for its lower end side, and with bolt that fixed head 2 is fixing with rotation angle disk 3; Rotation angle disk 3 is the limiting part of torsion spring torsion angle to be measured, and it is the disc-shaped structure that has circumferential ring surface, is circumferentially evenly having some pilot holes on the ring surface; The central axis in hole is crossed the central axis of rotation angle disk 3, and 24 pilot holes are arranged in the present embodiment, 15 ° of the angle between promptly adjacent two pilot holes; Rotation angle disk 3 centers have axis hole; And also have concentric axis hole at the correspondence position of fixed head 2, be used to pass core pipe 7, and core pipe 7 is interference fit with rotation angle disk 3 with fixed head 2; Pivoted arm 4 and the moving clamping plate 10 that are fixed on the pivoted arm 4 are hold assembly; Be used to grip torsion spring to be measured and reverse end; And drive torsion spring to be measured reverse the end reverse, there is the through hole along thickness direction pivoted arm 4 the inners, also are to be used to pass core pipe 7; And core pipe 7 is connected through bearing 9 with pivoted arm 4, makes pivoted arm 4 to rotate around core pipe 7; When mounted; These pivoted arm 4 inner through holes are concentric with rotation angle disk 3 central shaft holes; On the pivoted arm 4 outer end end faces blind hole perpendicular to end face is arranged, be used for rotation angle disk 3 circumferential ring surfaces on pilot hole cooperate, through lock pin 6 rotation angle disk 3 and pivoted arm 4 are fixed in the angle position of setting; For the ease of rotating pivoted arm 4, end side surface has also fixedly mounted pivoted arm handle 5 outside pivoted arm 4; Also even circular distribution has some moving clamping plate fixed orifices around pivoted arm 4 inner through holes; In the present embodiment be 8; This fixed orifice is except the effect that can play fixing moving clamping plate 10; Can also cooperate rotation angle disk 3 to limit the torsion angle of torsion spring to be measured through the moving installation site of clamping plate 10 on pivoted arm 4 of adjustment; With reference to accompanying drawing 5, moving clamping plate 10 are for having the platy structure of circular arc concave surface, and arc radius is consistent with torsion spring spring silk outline to be measured face of cylinder radius; On moving clamping plate 10 1 side planes, vertical groove is arranged; Be used for fixing torsion spring spring arm to be measured, recess width and torsion spring spring arm equal diameters to be measured also have two fixed vias on the moving clamping plate 10; When moving clamping plate 10 cooperate clamping torsion spring to be measured to reverse end with pivoted arm 4; Moving clamping plate 10 circular arc concave surfaces prop up torsion spring to be measured, and torsion spring spring arm to be measured is fixed in the vertical groove of moving clamping plate, on the moving clamping plate on two fixed vias and the pivoted arm adjacent two moving clamping plate fixed orifice positions consistent; And will move clamping plate and pivoted arm is fixed with bolt, thereby being reversed end, torsion spring to be measured grips.
With reference to accompanying drawing 4; Torsion spring stiff end parts comprise torque sensor 16 and test splice; Torque sensor 16 rear ends are fixed on the sensor installing plate 17; Sensor installing plate 17 is fixedly linked through contiguous block 18 and short riser 19, and contiguous block 18 and short riser 19 all are fixedly linked through the fixed station of bolt and bench vice 1, thereby torque sensor 16 is fixed on the fixed station of bench vice.Test splice comprises anistree plate 14 and anistree orifice plate 15; With reference to accompanying drawing 6 and accompanying drawing 7, insert in the breach of torque sensor 16 front ends anistree orifice plate 15 rear ends, and use bolt; Thereby when anistree orifice plate 15 receives moment of torsion, can moment of torsion be passed to torque sensor 16; Anistree orifice plate 15 leading portion platy structure centre bits are equipped with anistree hole, and anistree hole size is corresponding consistent with anistree plate 14, and anistree plate 14 embeddings are fixed in the anistree hole; Anistree plate 14 centers also have axis hole, are used to pass mandrel 8, and same evenly circular distribution has some quiet clamping plate fixed orifices around axis hole; In the present embodiment be 8; Quiet clamping plate 13 are identical with moving clamping plate 10 structures, and quiet clamping plate 13 cooperate clamping torsion spring stiff end to be measured with anistree plate 14, and method of clamping reverses with torsion spring to be measured holds method of clamping identical.
In the time will measuring the moment of torsion of torsion spring to be measured, the leading screw through bench vice 1 widens traveling table piece and fixed station distance, so that mandrel and torsion spring to be measured are installed.Mandrel 8 passes core pipe 7, and with core pipe 7 clearance fit, mandrel 8 other ends insert in anistree plate 14 central shaft holes, and with anistree plate 14 clearance fit, mandrel 8 mainly plays the effect of radial location; Reverse on the mandrel 8 between end part and the torsion spring stiff end parts at torsion spring and to be with lining 12; Lining 12 length equal torsion spring length to be measured; Lining 12 diameters equal profile face of cylinder diameter in the torsion spring spring silk to be measured; During measurement with torsion spring set to be measured on lining 12, and torsion spring to be measured two ends grip respectively.
Present embodiment is when measuring the torsion spring static torque; Rotate pivoted arm 4 through pivoted arm handle 5; And cooperating the moving installation site of clamping plate on pivoted arm 4 to obtain the different torsion angles of torsion spring 11 to be measured, torque sensor 16 promptly records the torque value under the torsion spring 11 different torsion angles to be measured.
When measuring torsion spring dynamic impulsion moment of torsion; According to the impact characteristics testing requirements; Impacting the final position insertion by pin 20, then pivoted arm 4 is being reversed to the initial torsion angle of impact, behind the release pivoted arm 4; Pivoted arm 4 rotates under torsion spring 11 torsional interactions to be measured and clashes into by pin 20, and torque sensor 16 will be gathered the moment of torsion of torsion spring 11 to be measured in this process.
When carrying out the test of torsion spring stress relaxation characteristics; According to the stress relaxation test requirement; Through pivoted arm 4 torsion spring 11 to be measured is reversed to specific torsion angle; And with lock pin 6 that pivoted arm 4 is fixing with rotation angle disk 3, leave standstill some hrs (as 50 hours) in this torsion angle position, torque sensor 16 will be gathered the moment of torsion of torsion spring 11 to be measured in this process.

Claims (6)

1. torsion spring torsion-testing apparatus; Comprise that support unit, torsion spring reverse end part and torsion spring stiff end parts, torsion spring reverses the end part and torsion spring stiff end parts all are fixed on the support unit, and torsion spring stiff end parts comprise torque sensor and test splice; Test splice passes to torque sensor with the torsion spring moment of torsion; Test splice comprises anistree plate and anistree orifice plate, and insert in the breach of torque sensor front end anistree orifice plate rear end, and use bolt; Thereby when anistree orifice plate receives moment of torsion, can moment of torsion be passed to torque sensor; Anistree orifice plate leading portion platy structure centre bit is equipped with anistree hole, and anistree hole size is corresponding consistent with anistree plate, and anistree plate embeds and is fixed in the anistree hole, and anistree plate center has axis hole; Said torsion spring torsion-testing apparatus is characterised in that: torsion spring reverses the end part and comprises fixed head, rotation angle disk, pivoted arm, moving clamping plate and core pipe; Fixed head is fixed on the support unit; Rotation angle disk is the disc-shaped structure that has circumferential ring surface; Rotation angle disk bottom surface and fixed head side are fitted fixing; On the circumferential ring surface of rotation angle disk, evenly have some pilot holes; Rotation angle disk center and fixed head correspondence position all have axis hole, and the core pipe inserts in the axis hole of rotation angle disk center and fixed head, and with rotation angle disk and fixed head interference fit; Pivoted arm the inner has along the through hole of pivoted arm thickness direction; The core pipe passes this through hole and is connected with rotary arm bearing; On the end face of pivoted arm outer end the blind hole perpendicular to end face is arranged; Be used for the circumferential ring surface of rotation angle disk on pilot hole cooperate rotation angle disk and pivoted arm fixed, also even circular distribution has some moving clamping plate fixed orifices around the inner through hole of pivoted arm; Moving clamping plate are the platy structure that has the circular arc concave surface, and arc radius is consistent with torsion spring spring silk outline to be measured face of cylinder radius, on moving clamping plate one side plane, vertical groove is arranged; Be used for fixing torsion spring spring arm to be measured; Also have two fixed vias on the moving clamping plate, when moving clamping plate cooperated clamping torsion spring to be measured to reverse end with pivoted arm, moving clamping plate circular arc concave surface propped up torsion spring to be measured; Torsion spring spring arm to be measured is fixed in the vertical groove of moving clamping plate; On the moving clamping plate on two fixed vias and the pivoted arm adjacent two moving clamping plate fixed orifice positions consistent, and will move clamping plate and pivoted arm is fixed, thereby torsion spring to be measured reversed to hold to grip with bolt; Mandrel passes core Guan Bingyu core ligament and cooperates; The mandrel other end inserts in the axis hole at anistree plate center; And cooperate with anistree sheet separation; Torsion spring reverses on the mandrel between end part and the torsion spring stiff end parts and is with lining, and liner sleeve length equals torsion spring length to be measured, and insert diameter equals profile face of cylinder diameter in the torsion spring spring silk to be measured.
2. a kind of torsion spring torsion-testing apparatus according to claim 1 is characterized in that: said support unit is a bench vice.
3. a kind of torsion spring torsion-testing apparatus according to claim 1; It is characterized in that: even circular distribution has some quiet clamping plate fixed orifices around the anistree plate central shaft hole; Quiet clamp region is identical with moving clamp region, and quiet clamping plate cooperate clamping torsion spring stiff end to be measured with anistree plate.
4. a kind of torsion spring torsion-testing apparatus according to claim 1 is characterized in that: through pivoted arm being fixed on the different angles in the rotation angle disk, measure the moment of torsion under the different torsion angles of torsion spring to be measured.
5. a kind of torsion spring torsion-testing apparatus according to claim 1; It is characterized in that: through pivoted arm being fixed on the different angles in the rotation angle disk; And match with the different fixing position of moving clamping plate on pivoted arm, measure the moment of torsion under the different torsion angles of torsion spring to be measured.
6. a kind of torsion spring torsion-testing apparatus according to claim 1 is characterized in that: through inserting by pin in the rotation angle disk precalculated position, measure torsion spring dynamic impulsion moment of torsion to be measured.
CN201110045142A 2011-02-24 2011-02-24 Torsion testing device for torsional spring Expired - Fee Related CN102175540B (en)

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CN104280236B (en) * 2014-11-06 2016-11-02 航天科工哈尔滨风华有限公司 A kind of torsion spring deformation angle survey tool of simplicity
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CN110542522B (en) * 2018-05-29 2021-08-20 中国科学院金属研究所 Dynamic test method for stress relaxation of torsion spring
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CN202024843U (en) * 2011-02-24 2011-11-02 西北工业大学 Device for measuring torque of torsion spring

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