CN2466625Y - Pull-pressing spring tester - Google Patents
Pull-pressing spring tester Download PDFInfo
- Publication number
- CN2466625Y CN2466625Y CN 01213838 CN01213838U CN2466625Y CN 2466625 Y CN2466625 Y CN 2466625Y CN 01213838 CN01213838 CN 01213838 CN 01213838 U CN01213838 U CN 01213838U CN 2466625 Y CN2466625 Y CN 2466625Y
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- support
- bearing
- crossbeam
- spring
- platen
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Abstract
The utility model provides a pull-pressing spring tester which rapidly and accurately measures the characteristic parameters of an extension spring, a compression spring and an extension and compression elastic component. A gates-shaped machine frame fixed on a machine base is used as a supporter, and a clamping mechanism, a load mechanism, a guiding mechanism, a displacement and pressure transducer, a microcomputer control unit and a data processing unit. The utility model has the advantages of high measuring precision, big measurement range scope, rapid measuring speed, high efficiency, convenient operation debugging and the automatic protection of overload shutdown. The precision can reach 0.5% of the indicated value, and the test range can be 10N-50KN. The pull-pressing springs with different tonnage can be measured directly, various parameters and dynamic characteristics can be displayed visually, and measuring results can be printed and output.
Description
The utility model relates to surveying instrument, and specifically a kind of being applicable to measured various extension springs, and compression spring and other stretch, the drawing-pressing spring testing machine of every characterisitic parameter of compression elastic piece.
Along with development of modern industry, various springs and stretching, compression elastic piece application very extensive, simultaneously every characteristic of spring and stretching, compression elastic piece is required more and more higher, more and more accurate to the measurement requirement of every characteristic of spring and stretching, compression elastic piece; Particularly in precision optical machinery, instrument, instrument industry, spring and stretching, the every characteristic of compression elastic piece are required strictly more, also require more accurate the measurement of every characteristic of spring and stretching, compression elastic piece.Traditional measuring method, as stem-winder disc type measuring instrument, measuring accuracy is low, to dynamic demonstration measurement parameter, export the family curve of tested spring and stretching, compression elastic piece, the statistical study of measurement data is powerless, simultaneously, and more existing digital measurement instruments, adopt the hydraulic loaded mode, system response time is slow, hydraulic oil pipe system is complicated, poor reliability, operation easier are big, and easily leaks contaminated environment; The digital measurement instrument that adopts leading screw to load, owing to there is not independently guide piece on the structure, and adopt the single-sensor detection mode, when tested spring can not centering, measure the derivation moment of flexure that loads generation and act directly on the loading leading screw, cause measuring error, particularly when measuring the large-tonnage spring, measuring error is bigger, can not satisfy accurate Testing requirement.
The purpose of this utility model provides a kind of various extension springs of fast, accurately measuring, compression spring and other stretch, every characterisitic parameter of compression elastic piece, and can in measuring process, dynamically show every characterisitic parameter and dynamic characteristic, measurement data is carried out statistical study, with the drawing-pressing spring testing machine of measurement result printout.
To achieve these goals, the utility model has been taked following technical measures: be equipped with one and assembled a cover extension spring clamping mechanism and a compression spring clamping mechanism on the support of four adjustable feet, measure load maintainer, guiding mechanism, pressure and displacement transducer, and one the cover Single-chip Controlling, data processing, show and printing equipment, its principal feature is: designed a frame support complete machine agent structure, the frame profile is a shape, it is made up of with crossbeam two root posts, the bottom of column and support are fastening equipped, top and crossbeam install, and constitute a rigidity portal frame; The back of portal frame is fixed with a rectangle attached plate contour with column, and rolling linear guide vertically is packed on the inboard one side of attached plate center frame, constitutes so-called guiding mechanism; The frame inboard is provided with the bearing that can move up and down, and its profile is rectangular bulk, its rear end face and the fastening assembling of the slide block on the rolling linear guide.There is a through hole to be fixed with the nut of ball wire bar pair between the top and bottom of bearing, the ball screw of ball wire bar pair is parallel with rolling linear guide, the equipped thrust bearing mutual group of the upper end shaft shoulder of ball screw is loaded on the crossbeam of frame, the shaft shoulder equipped thrust bearing mutual group in lower end is loaded on the support, its lower shaft end is connected with drive motor power output shaft on being packed in support by shaft joint, constitute load maintainer, the motor-driven ball screw rotates, and forces bearing to move up and down in the frame inboard along rolling linear guide.Adopt rolling linear guide as guiding mechanism and ball wire bar pair as load maintainer, can effectively lower the influence of frictional resistance, the mechanical creep phenomenon when avoiding low speed accurately to be shifted to measuring accuracy.Displacement transducer is fastening to be assemblied on the left side column of frame, and its moving chi is fastenedly connected with the plectrum that installs on the bearing, the moving up and down of bearing, and the moving chi that drives displacement transducer moves up and down, thereby detects stretching, the compression displacement amount of tested spring; Bearing is fixed with a transition disc near the lower surface of front end, the center of transition disc is provided with a through hole, aliging near a through hole that is provided with between the front end top and bottom with bearing, install a pair of pressure transducer on the transition disc side by side, is the benchmark symmetric arrangement with the transition disc center; One of fastening assembling in the lower end of pressure transducer and the identical platen of transition disc size, corresponding with platen, on support, be fitted with a pallet, be provided with three below the pallet and between the frame upper surface and adjust screw, adjusting screw threads fits on the support, to adjust pallet and platen keeping parallelism, pallet and platen constitute the clamping mechanism of compression spring jointly; The last hanging head that dress is hung extension spring is fastenedly connected on crossbeam, the following hanging head of dress extension extension spring passes a block hole and transition disc through hole and pressure disc and is fastenedly connected, the pulling force of measuring extension spring is converted to pressure to pressure transducer, reach measurement purpose the extension spring pulling force; In column dead ahead, the right side of frame a slide bar is housed; slide and be fitted on the crossbeam in the upper end of slide bar; slide and be fitted on the support in the lower end; the slide bar top and bottom are equipped with a microswitch; slide on the slide bar and be fitted with a upper limit device and a lower retainer; with the dead man interoperation that is packed in the bearing right flank, play upper and lower spacing protective effect during measurement.
Displacement transducer also can replace with angular transducer, adopt angular transducer to detect the angle that ball screw rotates, be converted into stretching, the compression displacement amount of tested spring in conjunction with the pitch of ball screw, promptly install an angular transducer on the crossbeam of frame, the last axle head of ball screw is connected with the input shaft of angular transducer with a shaft joint.
Pressure transducer both can use two symmetric arrangement, also can use three to be the center with centre point, be evenly distributed on the circumference, when measuring the large-tonnage spring, on the circumference that with the transition disc center is benchmark, evenly distribute and install three pressure transducers, use at 3 and decide the face principle, make the pressure disc that installs with pressure transducer keep balance, eliminate of the influence of the turning torque of generation when measuring loading to measuring accuracy, be evenly equipped with three threaded holes on the pressure disc, the threaded hole inward turning is furnished with three swivel nuts, makes the pressure disc level by transferring swivel nut, the spiral shell center is provided with a through hole, is used to pass trip bolt pressure disc and pressure transducer are fastenedly connected.
The utility model has the advantages that: 1, can directly test the drawing of different tonnages, pressing spring, adaptability is strong.2, range ability is big, test specification 10N～50KN; The precision height can reach 0.5% of indicating value; The numeral demonstration, accurately directly perceived, stable performance.3, can in measuring process, dynamically show and every characterisitic parameter and dynamic characteristic measurement data is carried out statistical study, and with the measurement result printout.4, adopt micrometer feed, numerical-control motor loads, and measuring speed is fast, efficient is high, and the operation debugging is convenient.5, overload is shut down, automatically protection.
Fig. 1 is the general structure synoptic diagram of utility model.
Fig. 2 is clamping mechanism among Fig. 1, the decomposing schematic representation of measuring load maintainer and guiding mechanism.
Fig. 3 is the pressure transducer decomposing schematic representation that large-tonnage is measured.
Below in conjunction with accompanying drawing the utility model is done to describe in further detail:
In Fig. 1, the 2nd, support, requirement guarantees the structural rigidity of complete machine, and its profile is a rectangular block, and support 2 belows are equipped with four adjustable feet 1 and are used to adjust support 2 levels, and support 2 height should be able to guarantee the vertical motor 27 of installing in its cavity.Motor bearing 25 is fastening be assemblied in support 2 cavitys directly over, motor 27 is installed on the motor bearing 25, motor 27 can be selected stepper motor, AC servo motor or DC servo motor for use.Be fixed with a pair of vertically parallel, symmetrical left column 13 and right column 18 on the surface, upper left side of support 2, the fastening assembling in upper end of crossbeam 14 and left column 13 and right column 18, they have constituted a door shape rigid mounting jointly, all adopt channel-section steel in left column 13, right column 18, crossbeam 14 designs, can effectively alleviate complete machine weight, and obtain favorable rigidity.Displacement transducer 7 is installed in the front of left column 13, and its moving chi 9 is fastenedly connected with bearing 11 by the plectrum 10 that is installed on the bearing 11.Slide bar 21 is positioned at the dead ahead of right column 18, and sliding support is on crossbeam 14 and support 2, and two can be bumped with microswitch 17,17 ' and connect.Slidable fit has upper limit device 19 and lower retainer 23 on the slide bar 21, upper limit device 19 and lower retainer 23 can slided on the slide bar 19 and can be locked on the desired position, when bearing 11 moves up and down, the driving lever 22 that is installed on the bearing 11 touches upper limit device 19 or touches down stop 23, the capital makes slide bar 21 play up or down, touch microswitch 17 or 17 ', cut off motor 27 power supplys and make bearing 11 stop to move.The upper right side mounted on surface of support 2 has operating key, button and microcomputer data processing unit 24, the commentaries on classics of control motor 27, stop and the signal of gathering displacement sensor 7 and pressure transducer 29 (see figure 2)s carries out data processing, finish the demonstration of data and the printout of measurement result.In the portal frame, clamping, loading and guiding mechanism are installed, wherein, the 28th, the installation site of angular transducer 32, the 15th, last hanging head is fastenedly connected on crossbeam 14, and the 16th, last extension pin, being slidingly matched is contained on the hanging head 15; The 12nd, following hanging head, the 20th, following extension pin, being slidingly matched is contained in down on the hanging head 12; The 8th, platen, the 6th, ball screw, the 5th, rolling linear guide, the 4th, pallet, the 3rd, adjustable supports screw.Upper and lower hanging head, pressure, pallet are that coaxial cable is installed.
Fig. 2 is the clamping among Fig. 1, the decomposing schematic representation of loading and guiding mechanism.The rectangular square of attached plate 35 profiles among the figure is packed in the positive back of left column 13 and right column 18.Rolling linear guide 5 vertically is packed on the center line of attached plate 35, is positioned at the inboard of the portal frame of left column 13 and right column 18 and crossbeam 14 formations.Slide block 36 on the rolling linear guide 5 links to each other with the rear end face of bearing 11 is fastening, bearing 11 can slide up and down along rolling linear guide, bearing 11 is near the nut 31 that is fixed with ball wire bar pair in the through hole between the upper and lower surfaces of slide block 36, and the ball screw 6 upper end shaft shoulders and thrust bearing 34 are equipped with mutual group and are contained on the crossbeam 14 among Fig. 1; The lower end shaft shoulder and thrust bearing 34 ' equipped mutual group is contained on the support 2 among Fig. 1, ball screw 6 and rolling linear guide 5 keeping parallelisms.The lower shaft end of ball screw 6 is connected with motor 27 by shaft joint 26.Transition disc 30 is installed under the front end of bearing 11, and bearing 11 aligns with the central through hole of transition disc 30 near the through hole between the upper and lower surface of front end.Center with transition disc 30 is symmetrical benchmark, is fixed with a pair of pressure transducer 29 side by side symmetrically; Platen 8 sizes are identical with transition disc 30, fastening pressure transducer 29 lower ends that are assemblied in, its center and transition disc 30 center-aligned, adopt symmetric double pressure transducer arranged side by side, when measuring the less compression spring of less extension spring of pulling force and pressure, can make measurement mechanism keep balance, effectively avoid deriving from the error that turning torque causes measurement result.Corresponding with platen 8, be fitted with a pallet 4 above the support 2 under it (seeing figure one), be fitted with 3 supporting screws that can regulate 3 on the support 2 below the pallet 4, be used to support pallet 4, by tuning 3 supporting screws 3, make pallet 4 and platen 8 keeping parallelisms.Last hanging head 15 is fastenedly connected (see figure 1) on crossbeam 14; Last extension pin 16 is slidingly matched and is fitted on the hanging head 15; The long handle of following hanging head 12 passes the through hole and 8 fastening linking to each other of platen of bearing 11 and transition disc 30, following extension pin 20 is slidingly matched and is fitted in down on the hanging head 12, can the pulling force when measuring extension spring convert pressure to by platen 8 to pressure transducer 29, thereby reach the measurement extension spring and stretch the purpose of power, and simplified entire machine design greatly.
During measurement, the hook at measured extension spring two ends is hung on hanging head and the following hanging head.The motor-driven ball screw rotates, and drives bearing and moves down, and spring is stretched, and the pulling force stimulus sensor that acts on the pressure disc produces pressure signal, and bearing is stirred the moving chi of displacement transducer and produced displacement signal simultaneously.When measuring compression spring, spring is placed on the pallet, and bearing moves down the platen compression spring, and the activation pressure sensor produces pressure signal, and the simultaneous displacement sensor produces displacement signal; Signal is gathered by the single-chip microcomputer processing unit, analyzing and processing; Show and print measurement result.
The another kind of mode that detects displacement is to install an angular transducer 28 on crossbeam 14, is connected with the last axle head of ball screw 6 with shaft joint 33.Pitch and corner by ball screw 6 are converted into straight-line displacement.
Fig. 3 is the decomposing schematic representation of the pressure transducer of large-tonnage measurement.When measuring the large-tonnage spring, the lower surface of transition disc 30 evenly distributes on the circumference that with its center is benchmark and is fixed with three pressure transducers arranged side by side 29, also be evenly distributed with the adjustment swivel nut 37 that three centers have a through hole on the corresponding circumference of platen 8 and pressure transducer 29, make platen 8 maintenance levels by regulating adjustment swivel nut 37, platen 8 is adjusted swivel nuts 37 by three and is installed as liner and three pressure transducers 29.Adopt three pressure transducer modes, used decide the face principle at 3, the influence of the turning torque of the bigger derivation that produces when measuring to eliminate keeps measuring balance, guarantees measuring accuracy.
Claims (3)
1, a kind of drawing-pressing spring testing machine that is used for fast, accurately measuring extension spring, compression spring and stretching, compression elastic piece characterisitic parameter, mainly constitute by support, clamping, loading, guiding mechanism, sensor and Single-chip Controlling and data processing unit, it is characterized in that: be fixed with the left column (13) and the right column (18) of two parallel symmetries on the support (2), crossbeam (14) two is assembled into a portal frame with the left and right pillar top is fastening respectively; Displacement transducer (7) is equipped with in the left column front, and slide bar (21) is equipped with in the right column front, and two ends is established microkinetic switch (17), (17 ') and bumped and connect, and establishes upper limit device (19) and lower retainer (23) on the slide bar; Frame back edge center line vertically installs rolling linear guide (5), assembles slide block (36) on the guide rail; The parallel ball screw (6) that is equipped with in guide rail front, the equipped thrust bearing mutual group of its upper end shaft shoulder is loaded on the crossbeam of frame, the shaft shoulder equipped thrust bearing mutual group in lower end is loaded on the support, and lower shaft end is connected with the power output shaft of loading motor on being packed in support by shaft joint; The nut of ball wire bar pair (31) is packed in the through hole of bearing (11), the bearing right side is provided with a driving lever (22) and rides on the slide bar (21), the left side is provided with plectrum (10), the termination connects the moving chi (9) of displacement transducer, rear end face and slide block (36) are fastenedly connected, upper and lower surface near front end has through hole, lower surface installs a transition disc (30) that has central through hole, the alignment of two holes, transition disc is the platen (8) identical with its size down, two the dish between with the disk center for the benchmark symmetry installs a pair of pressure transducer (29), on the support below the platen, tray (4); Last hanging head (15) is packed on the crossbeam (14), and through hole and platen (8) that the long handle of following hanging head (12) passes bearing (11), transition disc (30) are fastenedly connected, and hanging head, pressure pallet are that coaxial cable is installed up and down.
2, drawing-pressing spring testing machine according to claim 1 is characterized in that: the displacement sensor both can use linear movement pick-up to be loaded on the left column, also can use angular displacement sensor to be loaded on the crossbeam of screw mandrel upper end.
3, drawing-pressing spring testing machine according to claim 1, its feature exists: pressure transducer both can use two symmetric arrangement, also can use three to be the center with centre point, was evenly distributed on the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213838 CN2466625Y (en) | 2001-01-04 | 2001-01-04 | Pull-pressing spring tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213838 CN2466625Y (en) | 2001-01-04 | 2001-01-04 | Pull-pressing spring tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2466625Y true CN2466625Y (en) | 2001-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01213838 Expired - Lifetime CN2466625Y (en) | 2001-01-04 | 2001-01-04 | Pull-pressing spring tester |
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| Country | Link |
|---|---|
| CN (1) | CN2466625Y (en) |
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|---|---|---|---|---|
| CN100526844C (en) * | 2007-02-14 | 2009-08-12 | 中国计量学院 | Testing device for press pressure of press-button of lighter and performance curve of press pressure with displacement |
| CN101871343A (en) * | 2010-06-29 | 2010-10-27 | 上海大学 | Rotation type multi-station tension and compression experiment device |
| CN101569904B (en) * | 2009-05-25 | 2011-06-22 | 中山市科力高自动化设备有限公司 | Cellular material drawing mill |
| CN101750208B (en) * | 2008-12-10 | 2011-08-24 | 中国科学院沈阳自动化研究所 | Diaphragm spring tester |
| CN102589902A (en) * | 2012-03-12 | 2012-07-18 | 山东水泊焊割设备制造有限公司 | Supporting leg tester |
| CN101861216B (en) * | 2007-09-19 | 2012-12-05 | 兴山技术株式会社 | Forming apparatus |
| CN102866033A (en) * | 2012-10-22 | 2013-01-09 | 清华大学 | Dynamic loading device for two-way tension and pressure |
| CN102928159A (en) * | 2012-10-24 | 2013-02-13 | 昌辉汽车电器（黄山）股份公司 | Pressure spring balance degree testing device |
| CN102980760A (en) * | 2012-12-11 | 2013-03-20 | 安徽合力股份有限公司 | Fatigue test device for compression spring |
| CN103063421A (en) * | 2012-12-19 | 2013-04-24 | 西安理工大学 | Automatic comprehensive detection device and detection method for inclined ring spring property |
| CN103063417A (en) * | 2012-09-25 | 2013-04-24 | 王亭岭 | Spring performance automatic testing device |
| CN103115758A (en) * | 2013-01-14 | 2013-05-22 | 太原鹏跃电子科技有限公司 | Round spring test device |
| CN103245472A (en) * | 2013-05-14 | 2013-08-14 | 成都晨晖弹簧制造有限公司 | Spring tension testing machine convenient for data reading |
| CN103245497A (en) * | 2013-05-14 | 2013-08-14 | 成都晨晖弹簧制造有限公司 | Spring tester providing stretching test function |
| CN103698085A (en) * | 2013-12-16 | 2014-04-02 | 张家港市计量测试所 | Calibrating device of work dynamometer |
| CN104006939A (en) * | 2014-06-07 | 2014-08-27 | 河北联合大学 | Device for measuring nonlinear characteristic of spring |
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| CN105067216A (en) * | 2015-08-18 | 2015-11-18 | 佛山市百进一精密机械有限公司 | Device for detecting variable-force impact performances of hydraulic buffer |
| CN105157969A (en) * | 2015-08-11 | 2015-12-16 | 无锡职业技术学院 | Data-traceable spring detection system |
| CN105388009A (en) * | 2015-12-30 | 2016-03-09 | 盛瑞传动股份有限公司 | Spring durability detection device |
| CN105675196A (en) * | 2016-03-16 | 2016-06-15 | 宁波圣龙汽车动力系统股份有限公司 | Elastic force detection device for automobile clutch spring coil group |
| CN105953961A (en) * | 2016-04-27 | 2016-09-21 | 赵静 | Pressing base for sliding-adjustable spring set elastic force detection |
| CN106017892A (en) * | 2016-06-30 | 2016-10-12 | 河南平芝高压开关有限公司 | Spring testing machine |
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| CN106596270A (en) * | 2017-01-24 | 2017-04-26 | 佛山佑尔汽车智能技术有限公司 | Test device and test method of attenuation of extension spring and compression spring |
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2001
- 2001-01-04 CN CN 01213838 patent/CN2466625Y/en not_active Expired - Lifetime
Cited By (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526844C (en) * | 2007-02-14 | 2009-08-12 | 中国计量学院 | Testing device for press pressure of press-button of lighter and performance curve of press pressure with displacement |
| CN101861216B (en) * | 2007-09-19 | 2012-12-05 | 兴山技术株式会社 | Forming apparatus |
| CN101750208B (en) * | 2008-12-10 | 2011-08-24 | 中国科学院沈阳自动化研究所 | Diaphragm spring tester |
| CN101569904B (en) * | 2009-05-25 | 2011-06-22 | 中山市科力高自动化设备有限公司 | Cellular material drawing mill |
| CN101871343A (en) * | 2010-06-29 | 2010-10-27 | 上海大学 | Rotation type multi-station tension and compression experiment device |
| CN101871343B (en) * | 2010-06-29 | 2013-06-05 | 上海大学 | Rotation type multi-station tension and compression experiment device |
| CN102589902A (en) * | 2012-03-12 | 2012-07-18 | 山东水泊焊割设备制造有限公司 | Supporting leg tester |
| CN102589902B (en) * | 2012-03-12 | 2014-04-30 | 山东水泊焊割设备制造有限公司 | Supporting leg tester |
| CN103063417A (en) * | 2012-09-25 | 2013-04-24 | 王亭岭 | Spring performance automatic testing device |
| CN103063417B (en) * | 2012-09-25 | 2016-12-21 | 华北水利水电大学 | Spring automatic tester for performance |
| CN102866033A (en) * | 2012-10-22 | 2013-01-09 | 清华大学 | Dynamic loading device for two-way tension and pressure |
| CN102866033B (en) * | 2012-10-22 | 2014-11-26 | 清华大学 | Dynamic loading device for two-way tension and pressure |
| CN102928159B (en) * | 2012-10-24 | 2015-07-08 | 昌辉汽车电器（黄山）股份公司 | Pressure spring balance degree testing device |
| CN102928159A (en) * | 2012-10-24 | 2013-02-13 | 昌辉汽车电器（黄山）股份公司 | Pressure spring balance degree testing device |
| CN102980760B (en) * | 2012-12-11 | 2015-01-14 | 安徽合力股份有限公司 | Fatigue test device for compression spring |
| CN102980760A (en) * | 2012-12-11 | 2013-03-20 | 安徽合力股份有限公司 | Fatigue test device for compression spring |
| CN103063421B (en) * | 2012-12-19 | 2015-03-25 | 西安理工大学 | Automatic comprehensive detection device and detection method for inclined ring spring property |
| CN103063421A (en) * | 2012-12-19 | 2013-04-24 | 西安理工大学 | Automatic comprehensive detection device and detection method for inclined ring spring property |
| CN103115758A (en) * | 2013-01-14 | 2013-05-22 | 太原鹏跃电子科技有限公司 | Round spring test device |
| CN103115758B (en) * | 2013-01-14 | 2015-05-06 | 太原鹏跃电子科技有限公司 | Round spring test device |
| CN103245497A (en) * | 2013-05-14 | 2013-08-14 | 成都晨晖弹簧制造有限公司 | Spring tester providing stretching test function |
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| CN103698085B (en) * | 2013-12-16 | 2015-08-05 | 张家港市计量测试所 | Work dynamometer calibrating installation |
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| CN104006939B (en) * | 2014-06-07 | 2016-07-06 | 华北理工大学 | The measurement apparatus of spring nonlinear characteristic |
| CN104006939A (en) * | 2014-06-07 | 2014-08-27 | 河北联合大学 | Device for measuring nonlinear characteristic of spring |
| CN104155096A (en) * | 2014-08-22 | 2014-11-19 | 苏州昌飞自动化设备厂 | Buffer test mechanism of axle spring composite testing apparatus |
| CN105157969A (en) * | 2015-08-11 | 2015-12-16 | 无锡职业技术学院 | Data-traceable spring detection system |
| CN105067216A (en) * | 2015-08-18 | 2015-11-18 | 佛山市百进一精密机械有限公司 | Device for detecting variable-force impact performances of hydraulic buffer |
| CN105388009B (en) * | 2015-12-30 | 2017-10-24 | 盛瑞传动股份有限公司 | The durable detection means of spring |
| CN105388009A (en) * | 2015-12-30 | 2016-03-09 | 盛瑞传动股份有限公司 | Spring durability detection device |
| CN105675196A (en) * | 2016-03-16 | 2016-06-15 | 宁波圣龙汽车动力系统股份有限公司 | Elastic force detection device for automobile clutch spring coil group |
| CN105953961A (en) * | 2016-04-27 | 2016-09-21 | 赵静 | Pressing base for sliding-adjustable spring set elastic force detection |
| CN106017892A (en) * | 2016-06-30 | 2016-10-12 | 河南平芝高压开关有限公司 | Spring testing machine |
| CN106370402A (en) * | 2016-08-18 | 2017-02-01 | 武汉大学 | Testing table for detecting the relaxation of high voltage breaker closing spring stress |
| CN106596270A (en) * | 2017-01-24 | 2017-04-26 | 佛山佑尔汽车智能技术有限公司 | Test device and test method of attenuation of extension spring and compression spring |
| CN107860306A (en) * | 2017-09-21 | 2018-03-30 | 北京机械设备研究所 | A kind of indirect type position of output axle measurement apparatus |
| CN109374316A (en) * | 2018-11-28 | 2019-02-22 | 英诺菲特(北京)科技有限公司 | Electric boosting steering system performance testing device |
| CN109580141A (en) * | 2018-12-24 | 2019-04-05 | 重庆巨九磊汽车零部件制造有限公司 | A kind of damping spring test device |
| CN112067215A (en) * | 2019-11-26 | 2020-12-11 | 苏州市新艺弹簧厂 | Spring check out test set is used in spring production |
| CN111426439A (en) * | 2020-04-09 | 2020-07-17 | 扬州文丰机械制造有限公司 | Spring tension and compression detection integrated machine |
| CN113865850A (en) * | 2021-10-15 | 2021-12-31 | 广汽本田汽车有限公司 | Durability test system and method for coating limiter |
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