CN202075073U - Scroll spring torque testing device - Google Patents

Scroll spring torque testing device Download PDF

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Publication number
CN202075073U
CN202075073U CN2011200536951U CN201120053695U CN202075073U CN 202075073 U CN202075073 U CN 202075073U CN 2011200536951 U CN2011200536951 U CN 2011200536951U CN 201120053695 U CN201120053695 U CN 201120053695U CN 202075073 U CN202075073 U CN 202075073U
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CN
China
Prior art keywords
spring
whirlpool
torsion
measured
rotation angle
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Expired - Lifetime
Application number
CN2011200536951U
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Chinese (zh)
Inventor
陈国定
尹明虎
孙恒超
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Northwestern Polytechnical University
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Northwestern Polytechnical University
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Priority to CN2011200536951U priority Critical patent/CN202075073U/en
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Abstract

The utility model provides a scroll spring torque testing device, comprising a supporting part, a scroll spring torsion end part, a scroll spring clamping part and a scroll spring torque measuring part. The device is characterized in that the scroll spring torsion end part comprises a fixing plate, a corner disc, a tumbler, a mobile connecting plate and a core pipe, the scroll spring clamping part comprises a rotating turret, a linkage spring shaft, a static connecting plate and a cover plate, the corner disc and the tumbler are used for determining a torsion angle, and the rotating turret and the linkage spring shaft are used for clamping an inner spring arm and an outer spring arm the scroll spring. With a new clamping part designed to be adapted to the scroll spring, the device can test scroll spring torques and dynamic impact torques under different torsion angles. Besides, a bench clamp can be used as the supporting part for the device, and the device is convenient in usage, low in cost and can be widely used.

Description

A kind of whirlpool spring torsion-testing apparatus
Technical field
The utility model relates to a kind of proving installation, is specially a kind of whirlpool spring torsion-testing apparatus.
Background technology
Whirlpool spring moment of torsion is one of important indicator of weighing whirlpool spring operating characteristic, and the measurement of whirlpool spring moment of torsion is to measure necessary part in the spring performance index work of whirlpool.Because the whirlpool spring structure is special, the instrument of measuring at the static torque of whirlpool spring is less specially, does not almost have especially at the device of whirlpool spring impact characteristics test.At present, whirlpool spring torque rating work is mainly finished on machine for testing torsion, existing machine for testing torsion complex structure, cost an arm and a leg, and when on machine for testing torsion, carrying out whirlpool spring torsion-testing, mostly record after fixing, greatly reduce the accuracy of whirlpool spring torque measurement by the whirlpool spring being carried out simple clamping.Application number is 00259938.4 to have announced a kind of spring torque testing machine, its bulky, complex structure, when measuring whirlpool spring moment of torsion, its dynamometry pin and thrust pin are that line contacts with spring arm fixed form, in twist process, be easy to produce slippage between spring arm and the pin rod, influence measuring accuracy; This spring torque testing machine can not carry out whirlpool spring impact characteristics test in addition.
The utility model content
The technical matters that solves
Use inconvenience, the higher shortcoming of cost in order to overcome machine for testing torsion, can adapt to the special construction of whirlpool spring simultaneously, can accurately measure quiet moment of torsion of whirlpool spring and dynamic impulsion moment of torsion, the utility model proposes a kind of whirlpool spring torsion-testing apparatus.
Technical scheme
The technical solution of the utility model is:
Described a kind of whirlpool spring torsion-testing apparatus, comprise that support unit, whirlpool spring reverse end part, whirlpool spring hold assembly and whirlpool spring torque measurement parts, the whirlpool spring reverses the end part and whirlpool spring torque measurement parts all are fixed on the support unit, whirlpool spring torque measurement parts comprise torque sensor, and described whirlpool spring torsion-testing apparatus is characterised in that: the whirlpool spring reverses the end part and comprises fixed head, rotation angle disk, pivoted arm, moving fishplate bar 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, 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, and the core pipe passes this through hole and is connected with rotary arm bearing, and the blind hole perpendicular to end face is arranged on the end face of pivoted arm outer end, is used for cooperating with pilot hole on the circumferential ring surface of rotation angle disk rotation angle disk and pivoted arm are fixed; Moving fishplate bar is fixedly connected on the pivoted arm side, on the lateral surface of moving fishplate bar step-like projection is arranged, and is used for being connected with whirlpool spring hold assembly; Whirlpool spring hold assembly comprises turret, connection spring axle, quiet fishplate bar and cover plate; Quiet fishplate bar and cover plate are connected, and form that " " the type groove is used to place whirlpool to be measured spring and connection spring axle to U, and the outside of quiet fishplate bar and torque sensor be connected, and is used for the moment of torsion of whirlpool to be measured spring is passed to torque sensor; Join the spring axle and pass the central through hole that the spring arm is rolled in the spring of whirlpool to be measured, two ends are connected with quiet fishplate bar and cover plate respectively, and there is the screw perpendicular to connection spring axle central axis at connection spring axle middle part, is extended with screw in screw, will join the interior spring arm of spring axle and whirlpool to be measured spring and be connected; Outer spring arm of whirlpool to be measured spring and turret one end are connected, and the step-like projection of the turret other end and moving fishplate bar is connected.
A preferred version of the present utility model is characterized in that: described support unit is a bench vice.
A preferred version of the present utility model is characterized in that: by pivoted arm being fixed on the different angles in the rotation angle disk, measure the moment of torsion under the different torsion angles of whirlpool to be measured spring.
A preferred version of the present utility model, it is characterized in that: circle is evenly distributed with some moving fishplate bar fixed orifices around the inner through hole of pivoted arm, also have the circular equally distributed mounting hole of equal number at moving fishplate bar correspondence position, by choosing the moving different fixing angle of fishplate bar on pivoted arm, and cooperate the different fixing angle of pivoted arm in rotation angle disk, measure the moment of torsion under the different torsion angles of whirlpool to be measured spring.
A preferred version of the present utility model is characterized in that: by inserting by pin in the rotation angle disk precalculated position, measure whirlpool to be measured spring dynamic impulsion moment of torsion.
A preferred version of the present utility model is characterized in that: connection spring axle central axis and torque sensor tip side central axis conllinear.
A preferred version of the present utility model is characterized in that: connection spring axle two ends are fixed on the support, and support is " U " type structure, and two arms of " U " type structure are fixed on respectively on quiet fishplate bar and the cover plate.
A preferred version of the present utility model is characterized in that: have the convergent hole on the spring arm in the spring of whirlpool to be measured, after whirlpool to be measured spring was rolled into, spring arm in the spring of whirlpool to be measured and connection spring axle were fixed in convergent hole on the interior spring arm and the screw clamping of passing connection spring axle middle part screw.
A preferred version of the present utility model, it is characterized in that: there is axial interior hexagonal groove at the two ends of connection spring axle, join the fixed angle of spring axle on support by rotating, and cooperate the different fixing angle of pivoted arm in rotation angle disk, measure the moment of torsion under the different torsion angles of whirlpool to be measured spring.
Beneficial effect
The utility model has designed the hold assembly of new adaptation whirlpool spring, can measure whirlpool 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 extensive use of.
Description of drawings
Fig. 1: the utility model structural representation;
Fig. 2: the whirlpool spring reverses end part structural representation;
Fig. 3: the whirlpool spring reverses end part structure cut-open view;
Fig. 4: whirlpool spring hold assembly structural representation;
Fig. 5: whirlpool spring hold assembly structure cut-open view;
Fig. 6: whirlpool spring structure synoptic diagram;
Fig. 7: the synoptic diagram after the whirlpool spring launches;
Fig. 8: connection spring axle construction synoptic diagram;
Fig. 9: support structural representation;
Figure 10: turret structural representation;
Figure 11: quiet fishplate bar structural representation:
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, moving fishplate bar; 9, bearing; 10, support; 11, cover plate; 12, whirlpool to be measured spring; 13, quiet fishplate bar; 14, turret; 15, connection spring axle; 16, torque sensor; 17, sensor installing plate; 18, connecting plate piece; 19, lack riser; 20, by pin.
Embodiment
Below in conjunction with embodiment the utility model is described:
Embodiment:
The described whirlpool of present embodiment spring torsion-testing apparatus comprises that support unit, whirlpool spring reverse end part, whirlpool spring hold assembly and whirlpool spring torque measurement parts.
With reference to accompanying drawing 1, adopt bench vice 1 as support unit, the whirlpool spring reverses on the traveling table piece that the end part is fixed on bench vice 1, whirlpool spring torque measurement parts are fixed on the fixed station of bench vice 1, adjust the distance of traveling table piece and fixed station by the leading screw of bench vice 1, can conveniently realize the installation and the torsion-testing of whirlpool to be measured spring.
With reference to accompanying drawing 2 and accompanying drawing 3, the whirlpool spring reverses the end part and comprises fixed head 2, rotation angle disk 3, pivoted arm 4, moving fishplate bar 8 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 by 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 whirlpool spring torsion angle, it is the disc-shaped structure that has circumferential ring surface, 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 an interference fit with rotation angle disk 3 and fixed head 2; Pivoted arm 4 and the moving fishplate bar 8 that is fixed on the pivoted arm 4 are rotatable parts, being used to drive whirlpool spring hold assembly rotates, make whirlpool to be measured spring produce moment of torsion, there is the through hole along thickness direction pivoted arm 4 the inners, also be to be used to pass core pipe 7, and core pipe 7 is connected by 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, blind hole perpendicular to end face is arranged on the pivoted arm 4 outer end end faces, be used for cooperating with pilot hole on the rotation angle disk 3 circumferential ring surfaces, by 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 fishplate bar 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 fishplate bar 8, can also cooperate the different fixing angle of pivoted arm 4 in rotation angle disk 3 to limit the torsion angle of whirlpool to be measured spring 12 by adjusting the moving setting angle of fishplate bar 8 on pivoted arm 4; On the lateral surface of moving fishplate bar 8 the step projection is arranged, have two threaded holes on the step projection, be used for being connected with whirlpool spring hold assembly bolt.
With reference to accompanying drawing 4 and accompanying drawing 5, whirlpool spring hold assembly comprises turret 14, support 10, connection spring axle 15, quiet fishplate bar 13 and cover plate 11.
With reference to accompanying drawing 10, turret 14 mainly plays a part the outer spring arm of whirlpool to be measured spring 12 is linked to each other with the step projection of moving fishplate bar 8, thereby can drive spring 12 outer spring arms in whirlpool to be measured by the rotation of moving fishplate bar 8 rotates, make whirlpool to be measured spring 12 produce moment of torsion, two tapped through holes are arranged on turret 14 1 ends, be used for moving fishplate bar 8 step projections on two threaded holes be connected by bolt, turret 14 middle parts also have two tapped through holes, be used for being connected with whirlpool to be measured spring 12 outer spring arm screws, turret 14 other ends are " U " type structures, mainly play a part spacing with whirlpool to be measured spring 12, and on the two sides of " U " type structure, have coaxial aperture, be used to pass connection spring axle 15, and turret 14 can rotate around connection spring axle 15.
With reference to accompanying drawing 9, support 10 is " U " type structure, has coaxial aperture on the two sides of " U " type structure, and have through hole on the end face of two sides, and the through hole central axis is perpendicular to support coaxial aperture central axis.
With reference to Fig. 5 and Figure 11, quiet fishplate bar 13 and cover plate 11 bottoms are connected by bolt, and form " U " space, be used to place whirlpool to be measured spring 12, support 10, turret 14 and connection spring axle 15, wherein the two sides of support 10 can embed respectively in quiet fishplate bar 13 and the cover plate 11, and it is fixing with quiet fishplate bar 13 and cover plate 11, quiet fishplate bar 13 outsides have joint to be connected with the torque sensor 16 test lead track bolts in the whirlpool spring torque measurement parts, and the moment of torsion of whirlpool to be measured spring 12 is passed to torque sensor 16.
With reference to Fig. 8, there is axial interior hexagonal groove at the two ends of connection spring axle 15,, also uniform some pin-and-holes on the wall of connection spring axle 15 two ends grooves are arranged perpendicular to the tapped through hole that joins spring axle 15 central axis at the middle part of connection spring axle 15.The main effect of connection spring axle 15 is that the interior spring arm of whirlpool to be measured spring is fixed, in whirlpool to be measured spring 12, have the convergent hole that is approximately water droplet shape on the spring arm, after whirlpool to be measured spring 12 is rolled into, can be used to pass screw than large-diameter region in the convergent hole of water droplet shape, be used for blocking screw than small diameter area, during installation, connection spring axle 15 is passed the central through hole that the spring arm is rolled in the whirlpool to be measured spring 12, and on the middle part tapped through hole of connection spring axle 15, have screw, the tapped through hole at connection spring axle 15 middle parts is corresponding with the convergent hole site of whirlpool to be measured spring 12, and pass the convergent hole of whirlpool to be measured spring 12 with screw after, the interior spring arm of whirlpool to be measured spring 12 is caught on, thereby it is fixing with whirlpool to be measured spring 12 to join spring axle 15.With reference to accompanying drawing 5, connection spring axle 15 two ends are installed in the coaxial aperture of support " U " type structure two sides, and pass the end face through hole of support two sides and the pin-and-hole on the connection spring axle 15 two ends walls with pin, and it is fixing with support 10 to join spring axle 15.And in connection spring axle 15 two ends are opened axially hexagonal groove, then can will join spring axle 15 to rotate, thereby can change the fixed position of connection spring axle 15 on support 10, and then the position of the interior spring arm of change, the torsion angle of whirlpool promptly to be measured spring by allen key.
When adopting the moment of torsion of this measurement device whirlpool to be measured spring, moving fishplate bar 8 drives turret 14 and rotates, the outer spring arm that turret 14 drives whirlpool to be measured spring 12 rotates, produce moment of torsion, the spring arm is connected with connection spring axle 15 in the whirlpool to be measured spring 12, connection spring axle 15 is connected with support 10, and support 10 is fixed between quiet fishplate bar 13 and the cover plate 11, thereby the moment of torsion that whirlpool to be measured spring 12 produces is delivered on the torque sensor 16 by connection spring axle 15, support 10 and quiet fishplate bar 13 successively.In order to improve the accuracy of measurement, the central axis of connection spring axle 15 should with torque sensor 16 tip side central axis conllinear.
Present embodiment is when measuring whirlpool spring static torque, rotate pivoted arm 4 by pivoted arm handle 5, and cooperate moving fishplate bar 8 in installation site on the pivoted arm 4 and the fixed position of connection spring axle 15 on support 10, obtain the different torsion angles of whirlpool to be measured spring 12, torque sensor 16 promptly records the torque value under the whirlpool to be measured spring 12 different torsion angles.
When measuring whirlpool 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 reversed to impacting initial torsion angle, after discharging pivoted arm 4, pivoted arm 4 rotates under spring 12 torsional interactions of whirlpool to be measured and clashes into by pin 20, and torque sensor 16 will be gathered the moment of torsion of whirlpool to be measured spring 12 in this process.
When carrying out whirlpool spring stress relaxation characteristics test, according to the stress relaxation test requirement, by pivoted arm 4 whirlpool to be measured spring 12 is reversed to specific torsion angle, and it is pivoted arm 4 is fixing with rotation angle disk 3 with lock pin 6, leave standstill some hrs (as 50 hours) in this torsion angle position, torque sensor 16 will be gathered the moment of torsion of whirlpool to be measured spring 12 in this process.

Claims (9)

1. whirlpool spring torsion-testing apparatus, comprise that support unit, whirlpool spring reverse end part, whirlpool spring hold assembly and whirlpool spring torque measurement parts, the whirlpool spring reverses the end part and whirlpool spring torque measurement parts all are fixed on the support unit, whirlpool spring torque measurement parts comprise torque sensor, and described whirlpool spring torsion-testing apparatus is characterised in that: the whirlpool spring reverses the end part and comprises fixed head, rotation angle disk, pivoted arm, moving fishplate bar 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, 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, and the core pipe passes this through hole and is connected with rotary arm bearing, and the blind hole perpendicular to end face is arranged on the end face of pivoted arm outer end, is used for cooperating with pilot hole on the circumferential ring surface of rotation angle disk rotation angle disk and pivoted arm are fixed; Moving fishplate bar is fixedly connected on the pivoted arm side, on the lateral surface of moving fishplate bar step-like projection is arranged, and is used for being connected with whirlpool spring hold assembly; Whirlpool spring hold assembly comprises turret, connection spring axle, quiet fishplate bar and cover plate; Quiet fishplate bar and cover plate are connected, and form " U " type groove and be used to place whirlpool to be measured spring and connection spring axle, and the outside of quiet fishplate bar and torque sensor be connected, and are used for the moment of torsion of whirlpool to be measured spring is passed to torque sensor; Join the spring axle and pass the central through hole that the spring arm is rolled in the spring of whirlpool to be measured, two ends are connected with quiet fishplate bar and cover plate respectively, and there is the screw perpendicular to connection spring axle central axis at connection spring axle middle part, is extended with screw in screw, will join the interior spring arm of spring axle and whirlpool to be measured spring and be connected; Outer spring arm of whirlpool to be measured spring and turret one end are connected, and the step-like projection of the turret other end and moving fishplate bar is connected.
2. a kind of whirlpool according to claim 1 spring torsion-testing apparatus, it is characterized in that: described support unit is a bench vice.
3. a kind of whirlpool according to claim 1 spring torsion-testing apparatus is characterized in that: by pivoted arm being fixed on the different angles in the rotation angle disk, measure the moment of torsion under the different torsion angles of whirlpool to be measured spring.
4. a kind of whirlpool according to claim 1 spring torsion-testing apparatus, it is characterized in that: circle is evenly distributed with some moving fishplate bar fixed orifices around the inner through hole of pivoted arm, also have the circular equally distributed mounting hole of equal number at moving fishplate bar correspondence position, by getting the different fixing angle of fishplate bar on pivoted arm, and cooperate the different fixing angle of pivoted arm in rotation angle disk, measure the moment of torsion under the different torsion angles of whirlpool to be measured spring.
5. a kind of whirlpool according to claim 1 spring torsion-testing apparatus is characterized in that: by inserting by pin in the rotation angle disk precalculated position, measure whirlpool to be measured spring dynamic impulsion moment of torsion.
6. a kind of whirlpool according to claim 1 spring torsion-testing apparatus is characterized in that: connection spring axle central axis and torque sensor tip side central axis conllinear.
7. a kind of whirlpool according to claim 1 spring torsion-testing apparatus is characterized in that: connection spring axle two ends are fixed on the support by pin, and support is " U " type structure, and two arms of " U " type structure are fixed on respectively on quiet fishplate bar and the cover plate.
8. a kind of whirlpool according to claim 1 spring torsion-testing apparatus, it is characterized in that: have the convergent hole on the spring arm in the spring of whirlpool to be measured, after whirlpool to be measured spring was rolled into, spring arm in the spring of whirlpool to be measured and connection spring axle were fixed in convergent hole on the interior spring arm and the screw clamping of passing connection spring axle middle part screw.
9. a kind of whirlpool according to claim 7 spring torsion-testing apparatus, it is characterized in that: there is axial interior hexagonal groove at the two ends of connection spring axle, by rotating the fixed angle of connection spring axle on support, and cooperate the different fixing angle of pivoted arm in rotation angle disk, measure the moment of torsion under the different torsion angles of whirlpool to be measured spring.
CN2011200536951U 2011-03-03 2011-03-03 Scroll spring torque testing device Expired - Lifetime CN202075073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200536951U CN202075073U (en) 2011-03-03 2011-03-03 Scroll spring torque testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200536951U CN202075073U (en) 2011-03-03 2011-03-03 Scroll spring torque testing device

Publications (1)

Publication Number Publication Date
CN202075073U true CN202075073U (en) 2011-12-14

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Application Number Title Priority Date Filing Date
CN2011200536951U Expired - Lifetime CN202075073U (en) 2011-03-03 2011-03-03 Scroll spring torque testing device

Country Status (1)

Country Link
CN (1) CN202075073U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102156078A (en) * 2011-03-03 2011-08-17 西北工业大学 Volute spring torsion testing device
CN103115706A (en) * 2013-01-29 2013-05-22 江苏新洛凯机电有限公司 Device and method for detecting torque of flat spiral springs
CN105277307A (en) * 2014-07-24 2016-01-27 韩正山 Electric brush spring torsion detector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102156078A (en) * 2011-03-03 2011-08-17 西北工业大学 Volute spring torsion testing device
CN102156078B (en) * 2011-03-03 2012-11-21 西北工业大学 Volute spring torsion testing device
CN103115706A (en) * 2013-01-29 2013-05-22 江苏新洛凯机电有限公司 Device and method for detecting torque of flat spiral springs
CN105277307A (en) * 2014-07-24 2016-01-27 韩正山 Electric brush spring torsion detector
CN105277307B (en) * 2014-07-24 2018-06-15 韩正山 A kind of brush spring torsion detector

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AV01 Patent right actively abandoned

Granted publication date: 20111214

Effective date of abandoning: 20130227

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