CN104677577A - Spring deformation performance testing device - Google Patents
Spring deformation performance testing device Download PDFInfo
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- CN104677577A CN104677577A CN201310628695.3A CN201310628695A CN104677577A CN 104677577 A CN104677577 A CN 104677577A CN 201310628695 A CN201310628695 A CN 201310628695A CN 104677577 A CN104677577 A CN 104677577A
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Abstract
The invention discloses a spring deformation performance testing device. The spring deformation performance testing device comprises a support, a driving assembly and a sliding rod, wherein the support comprises supporting pieces, a fixing piece and a bearing piece; the fixing piece and the bearing piece are installed on the supporting pieces and are arranged at interval; a squeezing portion is arranged on the sliding rod, and the squeezing portion is located between the fixing piece and the bearing piece; toothed portions are arranged at one end, far away from the bearing piece, of the sliding rod; the number of the toothed portions is plural, the plurality of toothed portions are arranged along the length direction of the sliding rod to form a toothed rack on the sliding rod; the driving assembly comprises a motor and a gear which is matched with the toothed rack; a spring to be tested is located between the pressing portion and the bearing piece, the sliding rod is driven to move back and forth to enable the spring to be tested to be squeezed and deformed through the cooperation of the motor, the gear and the toothed rack, the toothed rack is formed on the sliding rod and thus the structure can be simplified; the displacement of the sliding rod can be controlled by controlling the number of turns of the output shaft of the motor, thus the squeezing degree of the spring to be tested is controlled, the testing is facilitated, the spring deformation performance can be quickly and effectively tested and the testing efficiency is improved.
Description
Technical field
The present invention relates to spring reliability testing, particularly relate to a kind of spring deformation performance testing device.
Background technology
The faults such as general lamp mounting bracket does not have Anti-vibration Design in violent place, and when using light fixture in the environment that vibration environment is relatively violent, mounting bracket is easily out of shape in strong vibration environment, and light source is loosening or broken, cause light fixture reliability to reduce.In order to ensure that light fixture reliability meets client's request for utilization under different vibration environment, in order to reduce the vibrational energy of lamp socket or mounting bracket, lamp socket or mounting bracket is used to carry out simple vibration energy level, the method of normal employing is exactly at mounting bracket or lamp socket, or light source fixedly goes out employing spring to carry out vibration damping, thus reach the vibrational energy level absorbing vibration and weaken the external world, because light fixture to be arranged in high vibration environment under service condition for a long time, the long-term vibrated extruding of spring causes after distortion cannot resilience and lose resistance to shock, therefore lamp bracket is caused to rupture, or the most common failure such as light source is damaged, thus reduce the reliability index of product.In prior art, carrying out in spring deformation performance test process, adopt and carry out spring compresses generation deformation by hand, but be also several thousand or up to ten thousand secondary according to market request for utilization spring compresses, cause tester's fatigue strength larger like this, tester is carrying out can not other testing in this test process simultaneously, causes the low inferior problem of testing efficiency.In addition, tester is when testing, wayward to the extruding degree of spring, and the deformation quantity causing each extruding to produce is all not identical, affects test accuracy.
Summary of the invention
The object of the present invention is to provide a kind of spring deformation performance testing device, structure is simple, can detect spring deformation performance rapidly and accurately, improves testing efficiency.
In order to solve the problems of the technologies described above, the invention provides a kind of spring deformation performance testing device, comprising support, driven unit and slide bar;
Described support comprises support member, fixture and bearing part; Described fixture is fixedly connected on described support member; Described bearing part is installed on described support member, and and described fixture interval arrange;
Described slide bar is provided with press section, described extruded parts between described fixture and described bearing part, for extruding tested spring; Described fixture is provided with fixing slide opening, and described bearing part is provided with carrying slide opening, and described slide bar wears described fixing slide opening and described carrying slide opening along self sliding axially, described slide bar is provided with teeth portion away from one end of described bearing part; Described teeth portion is multiple, and the length direction arrangement along described slide bar is arranged, to form tooth bar on described slide bar; Described tooth bar is positioned at the side away from described bearing part on described fixture;
Described driven unit is installed on the side away from described bearing part on described fixture, the gear that described driven unit comprises motor and matches with described tooth bar; The output shaft of described motor is connected with described gear, moves to drive described slide bar linear reciprocation.
Wherein, described teeth portion is tabular, and its plate face is perpendicular to the length direction of described slide bar; Each described teeth portion is parallel to each other and interval is arranged; The gear teeth of described gear be the rotation axis that is parallel to described gear to tabular.
Wherein, described driven unit also comprises keeper, and described keeper is fixed on described fixture, and described keeper is provided with locating piece, and described locating piece and described fixture interval are arranged; Described slide bar is provided with the locating slot be slidably matched with described locating piece, and described locating slot is the bar shaped arranged along described slide bar length direction.
Wherein, the cell wall of described locating slot is provided with for by spacing for the described locating piece limiting section in described locating slot.
Wherein, the fixing slide opening place on described fixture is provided with fixed guide pipe, and described sliding bar wears described fixed guide pipe; Fixed guide pipe is fixed on the side relatively away from described bearing part on described fixture.
Wherein, described slide bar comprises the first sub bar and second sub bar of coaxial setting; Described first sub bar is removably fixedly connected with the second sub bar; Described first sub bar slides and wears described fixing slide opening; Described first sub bar slides and wears described carrying slide opening.
Wherein, described first sub bar is threaded with described second sub bar.
Wherein, carrying guide pipe is arranged with in described carrying slide opening, the external diameter of described carrying guide pipe and the diameter compatible of described carrying slide opening close, and described second sub bar slides and wears described carrying guide pipe, and the internal diameter of described carrying guide pipe matches with the external diameter of described second sub bar;
One end outer wall relatively near fixture on described carrying guide pipe is provided with carrying flange, the edge of described carrying flange gear close described fixture on described carrying slide opening.
Wherein, described press section is to the collar flange arranged around described sliding pole axis.
Wherein, described bearing part is slidably connected to described support member, and its glide direction is parallel to the moving direction of described slide bar; The clamping screw of the two being locked is provided with between described bearing part and described support member.
Spring deformation performance testing device provided by the invention, tested spring is between press section and bearing part, and move back and forth tested spring compresses is out of shape by the mating band moving slide-bar of motor, wheel and rack, tooth bar is formed on slide bar, can simplify structure; The revolution controlling motor output shaft can control the amount of displacement of slide bar, thus controls the extruding degree of tested spring, is beneficial to test, can fast and effeciently tests out spring deformation performance, improves testing efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the spring deformation performance testing device that the preferred embodiment of the present invention provides;
Fig. 2 is another angle schematic diagram of spring deformation nature proving installation in Fig. 1;
Fig. 3 is the exploded view of spring deformation nature proving installation in Fig. 1;
Fig. 4 is the schematic diagram of bearing part and the second sub bar in spring deformation nature proving installation in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
See also Fig. 1 to Fig. 4, a kind of spring deformation performance testing device that embodiment of the present invention provides, comprise support 1, driven unit 2 and slide bar 3; Driven unit 2 and slide bar 3 are all connected to support 1, and driven unit 2 is connected to slide bar 3 and moves back and forth along the axial straight line of slide bar 3 to drive slide bar 3 opposite brackets 1, and slide bar 3 can drive tested spring 9 flexible to test the deformation nature of spring.
Support 1 comprises support member 11, fixture 12 and bearing part 13.Fixture 12 is fixedly connected on support member 11.Bearing part 13 and fixture 12 are intervally arranged and arrange, to form the space being used for the tested spring 9 of installation testing between fixture 12 and bearing part 13.In the present embodiment, bearing part 13 and fixture 12 all be strip; Support member 11 is two of being oppositely arranged, and the two ends of bearing part 13 are connected to two support members 11, and the two ends of fixture 12 are fixedly connected on two support members 11 respectively, utilize two support members 11 can ensure the stability of whole support 1.
Bearing part 13 is slidably connected to support member 11, and its glide direction is parallel to the moving direction of slide bar 3; The clamping screw 14 of the two being locked is provided with between bearing part 13 and support member 11.By regulating the position relationship between bearing part 13 and support member 11, the space size between bearing part 13 and fixture 12 can be regulated, with the tested spring 9 of adaptive testing different length.When slide bar 3 and press section 30 displacement thereof are determined, the position of mobile bearing part 13 can control the compression degree of tested spring 9, and structure is simple, and cost is low.
Support member 11 is rectangular frame-shaped, and its length direction is the glide direction of bearing part 13.Support member 11 comprises two long frame edges be oppositely arranged 111 and two short edges 112 be oppositely arranged.Described in one, short edge 112 is fixedly connected with fixture 12, and another short edge 112 can coordinate with the placed side of support 1 (as desktop, work top) and contacts, the stability of whole support 1 when utilizing the length of short edge 112 can ensure support member 11 vertical display.
Bearing part 13 is provided with sliding shoe 131, and sliding shoe 131 is slidably arranged between two long frame edges 111.Utilize two long frame edges 111 can clamp spacing by sliding shoe 131.In the present embodiment, the two ends of bearing part 13 are equipped with sliding shoe 131, are respectively used to and two support member 11 corresponding matching.
Be fixed with guide 113 between two long frame edges 111, between guide 113 and two long frame edges 111, all there is gap.In the present embodiment, support member 11 is provided with bearing pin 114, and bearing pin 114 wears two long frame edges 111 and guide 113 thus is fixed between two long frame edges 111 by guide 113, so that the assembly connection between support member 11 and guide 113.Herein, as other embodiment, guide 113 is also fixed on the centre position of short edge 112 by securing members such as screws, thus makes all there is gap between guide 113 and two long frame edges 111.
Sliding shoe 131 is provided with the pilot hole (not shown) be slidably matched with guide 113, the glide direction being axially parallel to bearing part 13 of pilot hole.Guide 113, between two long frame edges 111, can play slide-and-guide effect from centre position to sliding shoe 131, coordinates the spacing of two long frame edges, 111 pairs of sliding shoes 131, effectively can ensure that sliding shoe 131 slides along assigned direction, prevent it from offseting.
Sliding shoe 131 is provided with the threaded hole 1310 being communicated to pilot hole, the axis being axially perpendicular to pilot hole of threaded hole 1310, clamping screw 14 is threadedly connected to threaded hole 1310, when the end of clamping screw 14 is resisted against orienting lug, guide 113 and sliding shoe 131 are locked, thus bearing part 13 and support member 11 are locked.In the present embodiment, sliding shoe 131 is provided with two threaded holes 1310, and to be separately positioned on sliding shoe 131 on two relative sides, each threaded hole 1310 is connected to described clamping screw 14.Thus can lock from the both sides of sliding shoe 131 by sliding shoe 131 and guide 113, effectively ensure the location of bearing part 13, make it can not move in test process.Clamping screw 14 can be wing bolt or plum blossom bolt, so that tester's rotational lock bolt 14.
Herein, as other embodiment, clamping screw 14 also can wear long frame edge 111 by screw thread, when its end is resisted against sliding shoe 131, sliding shoe 131 and long frame edge 111 can be locked, realize the locking of bearing part 13 and support member 11; Or sliding shoe 131 is provided with bar hole, the length direction of bar hole is the glide direction of sliding shoe 131, and clamping screw 14 wears bar hole and is threaded with guide 113, and guide 113 and sliding shoe 131 can be locked by rotational lock bolt 14.
Fixture 12 is provided with fixing slide opening (not shown), and bearing part 13 is provided with carrying slide opening 130, and slide bar 3 wears fixing slide opening and carrying slide opening 130 along self sliding axially.In the present embodiment, fixing slide opening is arranged on the centre position of fixture 12 length direction, and carrying slide opening 130 is arranged on the centre position of bearing part 13 length direction, interferes to avoid producing between slide bar 3 and support member 11.Slide bar 3 is provided with the press section 30 for driving tested spring 9 flexible.Press section 30 between fixture 12 and bearing part 13, for extruding tested spring 9.
Slide bar 3 is provided with teeth portion 311 away from one end of bearing part 13.Teeth portion 311 is multiple, and the length direction arrangement along slide bar 3 is arranged, to form tooth bar on slide bar 3.The gear 22 that driven unit 2 comprises motor 21 and matches with tooth bar, the output shaft of motor 21 is connected with gear 22, and by coordinating of gear 22 and multiple teeth portion 311, motor can drive slide bar 3 linear reciprocation to move.Teeth portion 311 is formed at slide bar 3, can simplify the structure of proving installation, reduces cost of manufacture.
As preferentially, teeth portion 311 is tabular, and its plate face is perpendicular to the length direction of slide bar 3; Each teeth portion 311 is parallel to each other and interval is arranged, and to simplify structure, is convenient to processing preparation.Correspondingly, the gear teeth of gear 22 be the rotation axis that is parallel to gear 22 to tabular, can realize simplifying while gear 22 coordinates with the transmission of tooth bar the structure of gear 22 with tooth bar.
Driven unit 2 is installed on the side away from bearing part 13 on fixture 12, to avoid driven unit 2 on the impact of test.Motor 21 is fixed on fixture 12, and fixture 12 is tabular, its plate face perpendicular to the moving direction of slide bar 3 so that on fixture 12 mounted motor 21.More specifically, in the present embodiment, fixture 12 is provided with fixed block 121, and motor 21 is installed on fixed block 121, to make there is a determining deviation between motor 21 and fixture 12, is beneficial to and drives slide bar 3 to move.The output shaft rotating of motor 21 switches, and can realize the to-and-fro movement of slide bar 3.By the cooperation of rack and pinion 22, the revolution controlling motor 21 output shaft can control the amount of displacement of slide bar 3, is convenient to the compression degree controlling tested spring.
Further, driven unit 2 also comprises keeper 24, and keeper 24 is fixed on fixture 12.Keeper 24 is provided with locating piece 241, and locating piece 241 and fixture 12 interval are arranged.In the present embodiment, keeper 24 is shaft-like, and is fixed on fixed block 121, to make there is spacing between keeper 24 and fixture 12, and is beneficial to being connected of locating piece 241 and slide bar 3.
Slide bar 3 is provided with the locating slot 310 be slidably matched with locating piece 241, and locating slot 310 is the bar shaped arranged along tooth bar length direction, utilizes coordinating, to ensure the stability of slide bar 3 movement of locating slot 310 and locating piece 241.The cell wall of locating slot 310 is provided with for by spacing for locating piece 241 limiting section in locating slot 310.In the present embodiment, locating slot 310 is T-slot, and locating piece 241 is T-shaped with matching, and T-slot cell wall convexes to form described limiting section, thus locating piece 241 can be limited in locating slot 310 and slide, and prevents being separated of locating piece 241 and slide bar 3.Or locating slot 310 is dovetail groove, locating piece 241 is dovetails, thus can form limiting section in locating slot 310, to slide spacing for locating piece 241 in locating slot 310.
One end open on the length direction of locating slot 310, so that the assembly connection of locating slot 310 and locating piece 241, one end of locating slot 310 closes, for limiting slide bar 3 to the maximum position away from bearing part 13 direction movement.
In the present embodiment, slide bar 3 comprises the first sub bar 31 and the second sub bar 32.Teeth portion 311 is arranged on the first sub bar, and the first sub bar 31 slides and wears fixing slide opening, and the second sub bar 32 slides and wears carrying slide opening 130.First sub bar 31 arranges with the second sub bar 32 is coaxial and is removably fixed together.First sub bar 31 separates with the second sub bar 32 is removable, thus is convenient to sheathed tested spring 9 on slide bar 3, and makes in the space of tested spring 9 between fixture 12 and bearing part 13.In the present embodiment, the first sub bar 31 is threaded with the second sub bar 32, so that assembling therebetween and fractionation.More specifically, the end opens of the first sub bar 31 has threaded hole, and the end of the second sub bar 32 is provided with the stud closed with corresponding threaded holes.Certainly, also can be that the end of the second sub bar 32 is provided with threaded hole, stud be arranged on the end of the first sub bar 31.Herein, as other embodiment, the first sub bar 31 and the second sub bar 32 also be can be buckle and are connected or are linked together by removably fixed connecting piece.
Fixing slide opening place on fixture 12 is provided with fixed guide pipe 123, and the first sub bar 31 of slide bar 3 slides and wears fixed guide pipe 123, utilizes fixed guide pipe 123 can ensure the stability that slide bar 3 slides further.Fixed guide pipe 123 is fixed on the side relatively away from bearing part 13 on fixture 12, thus avoids fixed guide pipe 123 to have an impact to tested spring 9 is flexible.The end of fixed guide pipe 123 is provided with the mounting flange be fixedly connected with fixture 12, so that being fixedly connected with of fixed guide pipe 123 and fixture 12.
Bearing part 13 is provided with carrying guide pipe 133, and carrying guide pipe 133 is set in carrying slide opening 130.Second sub bar 32 slides and wears carrying guide pipe 133, and the internal diameter of carrying guide pipe 133 matches with the external diameter of the second sub bar 32, utilizes carrying guide pipe 133 can ensure the stability that the second sub bar 32 slides further.One end outer wall relatively near fixture 12 on carrying guide pipe 133 is provided with carrying flange 1331, and carrying flange 1331 keeps off the edge near fixture 12 on carrying slide opening 130.The external diameter of carrying guide pipe 133 and the minor diameter fit of carrying slide opening 130, so that the assembly connection of carrying guide pipe 133 and bearing part 13, carrying guide pipe 133 is inserted in carrying slide opening 130, carrying flange 1331 keeps off the edge near fixture 12 on carrying slide opening 130, is beneficial to the replacing of carrying guide pipe 133; Meanwhile, carrying flange 1331 can abut with one end of tested spring 9, utilizes the elastic force of tested spring 9 to be positioned at by carrying guide pipe 133 in carrying slide opening 130.
When carrying slide opening internal diameter and determining, second sub bar 32 that can prepare many cover different sizes combines with carrying guide pipe.During test, the second sub bar 32 that external diameter and tested spring 9 diameter compatible close can be selected, affect test accuracy to prevent tested spring 9 from bending in extrusion process.The internal diameter of carrying guide pipe 133 matches with the external diameter of the second sub bar 32, the external diameter of carrying guide pipe 133 and the minor diameter fit of carrying slide opening 130, carrying guide pipe 133 can not move radially in carrying slide opening 130, the stability that the second sub bar 32 slides can be ensured, can not produce and move radially, suitable carrying guide pipe 133 can be selected according to the external diameter of the second sub bar 32.Thus the second suitable sub bar 32 and carrying guide pipe 133 can be selected according to different tested springs 9, effectively ensure test accuracy.
Press section 30 is arranged on the junction of the first sub bar 31 and the second sub bar 32.Press section 30 is the collar flange axially arranged around slide bar 3, to provide balanced acting force to stage clip in the circumferential.In the present embodiment, press section 30 is arranged on the end near the first sub bar 31 on the second sub bar 32.Herein, as other embodiment, the diameter due to the first sub bar 31 is greater than the diameter of the second sub bar 32, is directly formed the press section 30 that can press stage clip by the end of the first sub bar 31; As another embodiment, press section 30 can be installed on slide bar 3 as independent parts, such as, press section 30 is ring-shaped article, be provided with screw thread in its ring, after press section 30 being threadedly connected to the end of the second sub bar 32, then the second sub bar 32 be threaded with the first sub bar 31.
When testing, it can be separated with the first sub bar 31 by rotation second sub bar 32, tested spring 9 is set on the second sub bar 32, one end of tested spring 9 is resisted against carrying flange 1331, the second sub bar 32 and the first sub bar 31 is carried out the other end of tested spring 9 after being connected and is resisted against press section 30.Starter motor 21 can be tested, reliably simple and safe, reduces the fatigue strength of tester, improves testing efficiency.Go out the length of tested spring before testing with kind of calliper, after the compressional deformation through certain number of times, then measure tested its length, by twice length vs, the deformation nature of tested spring can be known.
In the present embodiment, spring deformation performance testing device also comprises controller 4, and controller 4 is electrically connected on motor 21, for control motor 21 output shaft forward and reverse between switching.By the rotating of switch motor 21 output shaft, thus realize moving back and forth of tooth bar.The present embodiment, controller 4 is A.C. contactor.Controlled the both positive and negative polarity of direct supply by the main contact and auxiliary contact utilizing A.C. contactor, thus control the rotating of motor 21 output shaft.Controller 4 is arranged on fixed block 121, so that the electrical connection of controller 4 and motor 21.
In the present embodiment, spring deformation performance testing device also comprises counter 5, to be squeezed the number of times of deformation for move back and forth number of times and the tested spring 9 recording slide bar.Counter 5 is provided with display screen 51, to be squeezed the number of times of deformation, so that tester's record for showing tested spring 9.Counter 5 is installed on the fixed head of support 1.Counter 5 can be electrically connected to controller 4, add up tested spring 9 by the switching times of controller 4 pairs of motors 21 to be squeezed the number of times of deformation, or, support 1 is installed the position detector that proximity switch, infrared probe etc. detect tooth bar or slide bar 3 position, calculates tested spring 9 by the number of times of tooth bar or slide bar 3 trigger position detecting device and to be squeezed the number of times of deformation.
In the above-described embodiment, controller 4 is A.C. contactor, to realize the switching of motor 21 rotating, herein, as other embodiment, controller 4 can comprise two position switchs, two position switchs are electrically connected to the Enable Pin of motor 21, two position switchs to be arranged on support member 11 and to be positioned at two extreme positions of slide bar 3 movement, slide bar 3 is arranged a trigger head, when slide bar 3 moves to extreme position, trigger head trigger position switch, position switch controls motor 21 and switches rotation direction, thus slide bar 3 is slided to another extreme position, two position switch is utilized to realize the switching of motor 21 rotating, position switch can be proximity switch, optoelectronic switch, infrared sensing switch etc., in addition, controller 4 can also be control circuit, and it can realize the switching of motor 21 rotating.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a spring deformation performance testing device, is characterized in that, comprises support, driven unit and slide bar;
Described support comprises support member, fixture and bearing part; Described fixture is fixedly connected on described support member; Described bearing part is installed on described support member, and and described fixture interval arrange;
Described slide bar is provided with press section, described extruded parts between described fixture and described bearing part, for extruding tested spring; Described fixture is provided with fixing slide opening, and described bearing part is provided with carrying slide opening, and described slide bar wears described fixing slide opening and described carrying slide opening along self sliding axially, described slide bar is provided with teeth portion away from one end of described bearing part; Described teeth portion is multiple, and the length direction arrangement along described slide bar is arranged, to form tooth bar on described slide bar; Described tooth bar is positioned at the side away from described bearing part on described fixture;
Described driven unit is installed on the side away from described bearing part on described fixture, the gear that described driven unit comprises motor and matches with described tooth bar; The output shaft of described motor is connected with described gear, moves to drive described slide bar linear reciprocation.
2. spring deformation performance testing device according to claim 1, is characterized in that, described teeth portion is tabular, and its plate face is perpendicular to the length direction of described slide bar; Each described teeth portion is parallel to each other and interval is arranged; The gear teeth of described gear be the rotation axis that is parallel to described gear to tabular.
3. spring deformation performance testing device according to claim 1, it is characterized in that, described driven unit also comprises keeper, and described keeper is fixed on described fixture, described keeper is provided with locating piece, and described locating piece and described fixture interval are arranged; Described slide bar is provided with the locating slot be slidably matched with described locating piece, and described locating slot is the bar shaped arranged along described slide bar length direction.
4. spring deformation performance testing device according to claim 3, is characterized in that, the cell wall of described locating slot is provided with for by spacing for the described locating piece limiting section in described locating slot.
5. spring deformation performance testing device according to claim 1, is characterized in that, the fixing slide opening place on described fixture is provided with fixed guide pipe, and described sliding bar wears described fixed guide pipe; Fixed guide pipe is fixed on the side relatively away from described bearing part on described fixture.
6. spring deformation performance testing device according to claim 1, is characterized in that, described slide bar comprises the first sub bar and second sub bar of coaxial setting; Described first sub bar is removably fixedly connected with the second sub bar; Described first sub bar slides and wears described fixing slide opening; Described first sub bar slides and wears described carrying slide opening.
7. spring deformation performance testing device according to claim 6, is characterized in that, described first sub bar is threaded with described second sub bar.
8. spring deformation performance testing device according to claim 6, it is characterized in that, carrying guide pipe is arranged with in described carrying slide opening, the external diameter of described carrying guide pipe and the diameter compatible of described carrying slide opening close, described second sub bar slides and wears described carrying guide pipe, and the internal diameter of described carrying guide pipe matches with the external diameter of described second sub bar;
One end outer wall relatively near fixture on described carrying guide pipe is provided with carrying flange, the edge of described carrying flange gear close described fixture on described carrying slide opening.
9. spring deformation performance testing device according to claim 1, is characterized in that, described press section is to the collar flange arranged around described sliding pole axis.
10. spring deformation performance testing device according to claim 1, is characterized in that, described bearing part is slidably connected to described support member, and its glide direction is parallel to the moving direction of described slide bar; The clamping screw of the two being locked is provided with between described bearing part and described support member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628695.3A CN104677577A (en) | 2013-11-29 | 2013-11-29 | Spring deformation performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628695.3A CN104677577A (en) | 2013-11-29 | 2013-11-29 | Spring deformation performance testing device |
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| CN104677577A true CN104677577A (en) | 2015-06-03 |
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| CN201310628695.3A Pending CN104677577A (en) | 2013-11-29 | 2013-11-29 | Spring deformation performance testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977164A (en) * | 2015-07-02 | 2015-10-14 | 肖叶 | Pedestal for detecting tensile strength of spring |
| CN105928483A (en) * | 2016-06-20 | 2016-09-07 | 浙江美力汽车弹簧有限公司 | Suspension spring shape contour size detection device |
| CN113740011A (en) * | 2021-09-28 | 2021-12-03 | 成都深地领航能源科技有限公司 | Spring measuring device |
-
2013
- 2013-11-29 CN CN201310628695.3A patent/CN104677577A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977164A (en) * | 2015-07-02 | 2015-10-14 | 肖叶 | Pedestal for detecting tensile strength of spring |
| CN105928483A (en) * | 2016-06-20 | 2016-09-07 | 浙江美力汽车弹簧有限公司 | Suspension spring shape contour size detection device |
| CN113740011A (en) * | 2021-09-28 | 2021-12-03 | 成都深地领航能源科技有限公司 | Spring measuring device |
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Application publication date: 20150603 |