CN203310615U - Temperature control type multiphase horizontal spring fatigue testing machine - Google Patents

Temperature control type multiphase horizontal spring fatigue testing machine Download PDF

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Publication number
CN203310615U
CN203310615U CN2013203206844U CN201320320684U CN203310615U CN 203310615 U CN203310615 U CN 203310615U CN 2013203206844 U CN2013203206844 U CN 2013203206844U CN 201320320684 U CN201320320684 U CN 201320320684U CN 203310615 U CN203310615 U CN 203310615U
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China
Prior art keywords
spring
lever
horizontal
temperature control
control type
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CN2013203206844U
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Chinese (zh)
Inventor
楼静先
楼芬娣
楼华娣
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ZHEJIANG ISRI SHUANGDI SPRING CO Ltd
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ZHEJIANG ISRI SHUANGDI SPRING CO Ltd
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Priority to CN2013203206844U priority Critical patent/CN203310615U/en
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Abstract

The utility model relates to a temperature control type multiphase horizontal spring fatigue testing machine which solves the problem of nonuniform force applied on a spring in conventional spring testing processes. The testing machine comprises a work platform and a driving mechanism, wherein a number of spring horizontal installation mechanisms are uniformly distributed and arranged on the work platform along the circumferential direction, a transmission mechanism connected with the driving mechanism is arranged on the work platform, and the transmission mechanism is arranged at the center of a circle formed through enclosure of all the spring horizontal installation mechanisms. When the transmission mechanism is driven to move by the driving mechanism, the transmission mechanism can orderly drive tested springs to axially stretch out and draw back in a reciprocating manner, and the peripheries of the spring horizontal installation mechanisms are provided with heating and thermal insulating devices. The temperature control type multiphase horizontal spring fatigue testing machine is advantaged by simple and reasonable structure, strong stability, capability of testing spring fatigue characteristics at different temperatures, high testing precision, high work efficiency, capability of simultaneously testing a plurality of springs, high safety, wide application scope, convenient installation of tested springs, and high automation degree.

Description

Temperature Control Type leggy horizontal spring fatigue tester
Technical field
The utility model belongs to the spring technical field, especially relates to a kind of Temperature Control Type leggy horizontal spring fatigue tester.
Background technology
The spring fatigue characteristic is an important indicator of spring quality, it refers to spring produces after crimp phenomenon of rupture, common metal will crack after distortion, generally very little, even sometimes, can ignore, but often distortion, and crackle will increase, the crackle gap will increase, and finally causes spring fatigue.Spring fatigue test device is mainly, by compression or extension spring, spring is carried out to testing fatigue, to obtain the fatigue properties of detected spring, thereby can correctly use suitable spring in the different application occasion, so spring fatigue test device has become one of indispensable device of each spring manufacturer and application producer.While by the spring fatigue test machine, spring being carried out to torture test in the prior art, usually adopt a driving mechanism to drive a spring and do reciprocal stretching or compression movement at vertical direction, this structure exists many deficiencies, for example, complex structure, poor stability, can't the fatigue properties of test spring under the different temperatures environment, the vertical direction Compress Spring easily causes spring stress inhomogeneous, measuring accuracy is low, poor stability, inefficiency, can't test simultaneously a plurality of springs, security is low, the scope of application is little, tested spring fitting inconvenience, automaticity is low etc.
The problem existed in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of spring fatigue test device [application number: 201120169288.7], described spring fatigue test device comprises fixed mount, driving element and web member, the two ends of described fixed mount are fixedly installed respectively holder, described web member is mounted slidably on described fixed mount, and described web member is between two described holders, the two ends of spring to be measured are fixedly connected with described holder and web member respectively, described driving element is fixedly installed on described fixed mount, and described driving element is connected with described web member, the described web member of described driving device drives slides with compression or the described spring to be measured that stretches between two described holders.
Such scheme has solved the inhomogeneous problem of the tested spring stress of existing spring fatigue test machine to a certain extent, but this scheme still exists: complex structure, and poor stability, can't the fatigue properties of test spring under the different temperatures environment, measuring accuracy is low, poor stability, inefficiency, can't test a plurality of springs simultaneously, security is low, the scope of application is little, tested spring fitting inconvenience, the problem that automaticity is low.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of simple and reasonable, can test simultaneously a plurality of springs, and the Temperature Control Type leggy horizontal spring fatigue tester of the fatigue properties of energy simulation test spring at the set environment temperature.
For achieving the above object, the utility model has adopted following technical proposal: this Temperature Control Type leggy horizontal spring fatigue tester, it is characterized in that, this test machine comprises workbench and driving mechanism, on workbench, be provided be used to tested spring being installed and being made tested spring be in the horizontal installing mechanism of spring of horizontality, the horizontal installing mechanism of described spring has several and is uniformly distributed in a circumferential direction, described workbench is provided with the gear train be connected with described driving mechanism, described gear train is arranged on the horizontal installing mechanism of each spring and surrounds the center of the circle formed, and it is flexible that this gear train can drive the tested spring axial reciprocating be arranged on the horizontal installing mechanism of each spring successively when driving mechanism drives the gear train action, the horizontal installing mechanism of described spring is arranged with outward be used to controlling the heating and heat-insulating device of the environment temperature of tested spring when testing.By said structure, realize making tested spring stress even at horizontality lower compression and the tested spring of release, can carry out heat tracing to tested spring simultaneously; Even realize testing simultaneously the fatigue properties of tested spring under different temperatures.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, the horizontal installing mechanism of each described spring comprises respectively horizontally disposed lever body and the horizontally disposed quiet body of rod, the coaxial setting of the described quiet body of rod and lever body level and opposite, between the quiet body of rod and lever body, form the installing space for spring fitting to be measured, described lever body is inner to lean and can under the drive of gear train, move by axial reciprocating with gear train.
In order to facilitate the installation of tested spring, the inner of the quiet body of rod is provided with the first positioning body, the outer end of described lever body is provided with the second positioning body, between the first positioning body and the second positioning body, form described installing space, during test, by the first positioning body and the second positioning body, tested spring is fixed between the quiet body of rod and lever body, gear train drives the lever body and moves back and forth to quiet body of rod direction, thereby realizes compression and the release of tested spring.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, described workbench is provided with inner frame body and is located at the outer support body of inner frame body periphery, and described lever body is slidably connected on inner frame body, and the described quiet body of rod is fixed on outer support body.While adopting said structure to make the operation of this test machine, stability is stronger, and difficult generation is rocked.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, described inner frame body is the regular polygon on plural limit, described outer support body is the regular polygon on plural limit, and between described inner frame body and outer support body, forms the annular space of the regular polygon that is plural limit; Middle part, every one side at annular space arranges respectively the horizontal installing mechanism of a spring.As a kind of preferred version, the inner frame body here and outer support body all are regular hexagon, make the tested spring stress in the horizontal installing mechanism of each spring even.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, described heating and heat-insulating device comprises box body, this box body has axial perforation and can hold the passage of tested spring, the outer end of the inner of the described quiet body of rod and lever body lays respectively in passage, on box body, is provided with the electrical heating coil that can heat the tested spring that is positioned at passage.During test, tested spring is positioned at passage, and the electrical heating coil can carry out heat tracing to tested spring, moves to the quiet body of rod by the lever body, realizes compression and the release of tested spring, makes and can test the fatigue properties of tested spring under the different temperatures environment.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, on described box body, also be provided with for detection of the temperature-control senser of temperature in passage with for detection of the sensor for countering of the flexible number of times of passage inner spring, described electrical heating coil, temperature-control senser and sensor for countering all are connected with control circuit.After in the temperature-control senser sense channel, temperature reached design temperature, control circuit was controlled electrical heating coil stopped heating, and sensor for countering can be counted the compressed number of times of tested spring.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, the Temperature Control Type leggy horizontal spring fatigue tester of stating, it is characterized in that, described box body comprises the first halfbody and the second halfbody, on described the first halfbody and the second halfbody, be respectively equipped with upper groove body and lower groove, described the first halfbody and the second halfbody can mutually fasten and when the first halfbody and the second halfbody fasten mutually described upper groove body and lower groove amalgamation form above-mentioned passage; Described the first halfbody and the second halfbody one side are hinged, and opposite side is connected by syndeton.Be convenient to take out after the installation of tested spring and tested spring breakage.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, described gear train comprises and with driving mechanism, being connected and horizontally disposed rotating disk, at rotating disk, depart from center and be provided with power wheel, the inner of described lever body is provided with the roller that can lean with power wheel; Perhaps described gear train comprises and with driving mechanism, being connected and horizontally disposed cam, and the inner of described lever body is provided with the pulley that can lean with cam.By power wheel top pressing roller, make the lever body produce mobile, top can break away from after pressing fast simultaneously; By cam jacking sliding wheel, realize moving back and forth of lever body, after cam jacking sliding wheel, can break away from fast simultaneously.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, described rotating disk departs from center and is fixed with center-pole, described power wheel is arranged on center-pole and can circumferentially rotates with respect to center-pole, described power wheel ringwise and between power wheel and center-pole, be evenly equipped with some rolling members, is arranged with on described center-pole be used to preventing the stop collar of power wheel off center bar; Described lever end of body is provided with prong, is equipped with central shaft in described prong, and described roller housing is located on central shaft and is arranged in prong, is evenly equipped with rolling member between described roller and central shaft.After the previous lever body of power wheel drive moves, can act on rapidly next lever body, make the lever physical efficiency move successively, continuity is strong.
In above-mentioned Temperature Control Type leggy horizontal spring fatigue tester, be provided with the range controlling mechanism that can limit lever body stroke between described inner frame body and lever body; Thereby be provided with between described outer support body and the quiet body of rod, can move axially the stroke adjusting structure of adjusting lever body stroke with the sound body of rod.Noise while moving in order to reduce this test machine, described range controlling mechanism is provided with lubricating oil and adds structure, described range controlling mechanism comprises and is fixed on inner frame body and tubular pedestal, described lever body is located in pedestal, on the lever body, have axially extended bar hole, on described pedestal, be fixed with the register pin be located in bar hole; Described stroke adjusting structure comprises the swivel nut be fixed on outer support body, and the described quiet body of rod and swivel nut are threaded connection.
Compared with prior art, the advantage of this Temperature Control Type leggy horizontal spring fatigue tester is: simple and reasonable, stability is strong, can realize horizontal direction compression and retracting spring, spring stress is even, the fatigue properties of energy test spring under design temperature, and measuring accuracy is high, high efficiency, can test simultaneously a plurality of springs, safe, applied widely, tested spring fitting is convenient, and automaticity is high.
The accompanying drawing explanation
The structural representation that Fig. 1 provides for the utility model.
Fig. 2 is the structural representation of gear train in the utility model.
Fig. 3 is the structural representation of heating and heat-insulating device in the utility model.
Fig. 4 is the structural representation of range controlling mechanism of the present utility model.
Fig. 5 is circuit block diagram of the present utility model.
In figure, workbench 1, inner frame body 11, outer support body 12, the horizontal installing mechanism 2 of spring, lever body 21, prong 211, central shaft 212, the quiet body of rod 22, installing space 23, gear train 3, rotating disk 31, power wheel 32, roller 33, center-pole 34, stop collar 35, heating and heat-insulating device 4, box body 41, the first halfbody 411, upper groove body 411a, the second halfbody 412, lower groove 412a, passage 42, electrical heating coil 43, temperature-control senser 44, sensor for countering 45, control circuit 46, the first positioning body 5, the second positioning body 6, annular space 7, range controlling mechanism 8, pedestal 81, bar hole 82, register pin 83.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As Figure 1-5, this Temperature Control Type leggy horizontal spring fatigue tester, comprise workbench 1 and driving mechanism, on workbench 1, be provided be used to tested spring being installed and being made tested spring be in the horizontal installing mechanism 2 of spring of horizontality, the horizontal installing mechanism 2 of spring has several and is uniformly distributed in a circumferential direction, workbench 1 is provided with the gear train 3 be connected with described driving mechanism, gear train 3 is arranged on the horizontal installing mechanism 2 of each spring and surrounds the center of the circle formed, and it is flexible that this gear train 3 can drive the tested spring axial reciprocating be arranged on the horizontal installing mechanism 2 of each spring successively when driving mechanism drives gear train 3 action, the horizontal installing mechanism 2 of spring is outer to be arranged be used to controlling the heating and heat-insulating device 4 of the environment temperature of tested spring when testing, by said structure, realize at horizontality lower compression and the tested spring of release, make tested spring stress even, simultaneously can carry out heat tracing to tested spring, even realize testing simultaneously the fatigue properties of tested spring under different temperatures.
As a kind of technical scheme of comparatively optimizing, the horizontal installing mechanism 2 of each spring comprises respectively horizontally disposed lever body 21 and the horizontally disposed quiet body of rod 22 in the present embodiment, the coaxial setting of the quiet body of rod 22 and lever body 21 levels and opposite, between the quiet body of rod 22 and lever body 21, form the installing space 23 for spring fitting to be measured, lever body 21 is inner to lean and can under the drive of gear train 3, move by axial reciprocating with gear train 3, in order to facilitate the installation of tested spring, the inner of the quiet body of rod 22 is provided with the first positioning body 5, the outer end of described lever body 21 is provided with the second positioning body 6, between the first positioning body 5 and the second positioning body 6, form described installing space 23, during test, by the first positioning body 5 and the second positioning body 6, tested spring is fixed between the quiet body of rod 22 and lever body 21, gear train 3 drives lever body 21 and moves back and forth to the quiet body of rod 22 directions, thereby realize compression and the release of tested spring.Workbench 1 is provided with inner frame body 11 and is located at the outer support body 12 of inner frame body 11 peripheries, lever body 21 is slidably connected on inner frame body 11, the quiet body of rod 22 is fixed on outer support body 12, and while adopting said structure to make the operation of this test machine, stability is stronger, and difficult generation is rocked.Inner frame body 11 is the regular polygon on plural limit, and outer support body 12 is the regular polygon on plural limit, and between inner frame body 11 and outer support body 12, forms the annular space 7 of the regular polygon that is plural limit; Middle part, every one side at annular space 7 arranges respectively the horizontal installing mechanism 2 of a spring, and as a kind of preferred version, the inner frame body 11 here all is regular hexagon with outer support body 12, makes the tested spring stress in the horizontal installing mechanism 2 of each spring even.Heating and heat-insulating device 4 comprises box body 41, this box body 41 has axial perforation and can hold the passage 42 of tested spring, the outer end of the inner of the quiet body of rod 22 and lever body 21 lays respectively in passage 42, on box body 41, be provided with the electrical heating coil 43 that can heat the tested spring that is positioned at passage 42, during test, tested spring is positioned at passage 42, electrical heating coil 43 can carry out heat tracing to tested spring, by lever body 21, move to the quiet body of rod 22, realize compression and the release of tested spring, make and can test the fatigue properties of tested spring under the different temperatures environment.On box body 41, also be provided with for detection of the temperature-control senser 44 of passage 42 interior temperature with for detection of the sensor for countering 45 of the flexible number of times of passage 42 inner springs, electrical heating coil 43, temperature-control senser 44 and sensor for countering 45 all are connected with control circuit 46, after the interior temperature of temperature-control senser 44 sense channel 42 reaches design temperature, control circuit 46 is controlled electrical heating coil 43 stopped heatings, and sensor for countering 45 can be counted the compressed number of times of tested spring.For the ease of after the installation of tested spring and tested spring breakage, taking out, box body 41 comprises the first halfbody 411 and the second halfbody 412, on described the first halfbody 411 and the second halfbody 412, be respectively equipped with upper groove body 411a and lower groove 412a, the first halfbody 411 and the second halfbody 412 can fasten and upper groove body 411a and lower groove 412a amalgamation formation passage 42 when the first halfbody 411 and the second halfbody 412 mutual fastening mutually; The first halfbody 411 and the second halfbody 412 1 sides are hinged, and opposite side is connected by syndeton.
Further, the gear train 3 in the present embodiment comprises and with driving mechanism, being connected and horizontally disposed rotating disk 31, at rotating disk 31, departs from center and is provided with power wheel 32, and the inner of lever body 21 is provided with the roller 33 that can lean with power wheel 32; Perhaps gear train 3 comprises and with driving mechanism, being connected and horizontally disposed cam, and the inner of lever body 21 is provided with the pulley that can lean with cam, by power wheel 32 top pressing rollers 33, makes lever body 21 produce mobile, and top can break away from after pressing fast simultaneously; By cam jacking sliding wheel, realize the movement of lever body 21, after cam jacking sliding wheel, can break away from fast simultaneously.Rotating disk 31 departs from center and is fixed with center-pole 34, power wheel 32 is arranged on center-pole 34 and can circumferentially rotates with respect to center-pole 34, power wheel 32 is evenly equipped with some rolling members ringwise and between power wheel 32 and center-pole 34, on center-pole 34, is arranged be used to preventing the stop collar 35 of power wheel 32 off center bars 34; Lever body 21 ends are provided with prong 211, in prong 211, be equipped with central shaft 212, roller 33 is set on central shaft 212 and is arranged in prong 211, between roller 33 and central shaft 212, be evenly equipped with rolling member, after the previous lever body 21 of power wheel 32 drive moves, can act on rapidly next lever body 21, make lever body 21 to move successively, continuity is strong.Between inner frame body 11 and lever body 21, be provided with the range controlling mechanism 8 that can limit lever body 21 strokes; Thereby be provided with between outer support body 12 and the quiet body of rod 22, can move axially the stroke adjusting structure of adjusting lever body 21 strokes with the sound body of rod 22, noise while moving in order to reduce this test machine, described range controlling mechanism 8 is provided with lubricating oil and adds structure, described range controlling mechanism 8 comprises and is fixed on inner frame body 11 and tubular pedestal 81, described lever body 21 is located in pedestal 81, on lever body 21, have axially extended bar hole 82, on described pedestal 81, be fixed with the register pin 83 be located in bar hole 82; Described stroke adjusting structure comprises the swivel nut be fixed on outer support body 12, and the described quiet body of rod 22 is threaded connection with swivel nut.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more been used workbench 1, inner frame body 11, outer support body 12, the horizontal installing mechanism 2 of spring, lever body 21, prong 211, central shaft 212, the quiet body of rod 22, installing space 23, gear train 3, rotating disk 31, power wheel 32, roller 33, center-pole 34, stop collar 35, heating and heat-insulating device 4, box body 41, the first halfbody 411, upper groove body 411a, the second halfbody 412, lower groove 412a, passage 42, electrical heating coil 43, temperature-control senser 44, sensor for countering 45, control circuit 46, the first positioning body 5, the second positioning body 6, annular space 7, range controlling mechanism 8, pedestal 81, bar hole 82, register pin 83 terms such as grade, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.

Claims (10)

1. Temperature Control Type leggy horizontal spring fatigue tester, it is characterized in that, this test machine comprises workbench (1) and driving mechanism, on workbench (1), be provided be used to tested spring being installed and being made tested spring be in the horizontal installing mechanism of spring (2) of horizontality, the horizontal installing mechanism of described spring (2) has several and is uniformly distributed in a circumferential direction, described workbench (1) is provided with the gear train (3) be connected with described driving mechanism, described gear train (3) is arranged on the horizontal installing mechanism of each spring (2) and surrounds the center of the circle formed, and it is flexible that this gear train (3) can drive the tested spring axial reciprocating be arranged on the horizontal installing mechanism of each spring (2) successively when driving mechanism drives gear train (3) action, the horizontal installing mechanism of described spring (2) is outer to be arranged be used to controlling the heating and heat-insulating device (4) of the environment temperature of tested spring when testing.
2. Temperature Control Type leggy horizontal spring fatigue tester according to claim 1, it is characterized in that, the horizontal installing mechanism of each described spring (2) comprises respectively horizontally disposed lever body (21) and the horizontally disposed quiet body of rod (22), the described quiet body of rod (22) and lever body (21) level coaxially arrange and are opposite, between the quiet body of rod (22) and lever body (21), form the installing space (23) for spring fitting to be measured, described lever body (21) is inner to lean and can under the drive of gear train (3), move by axial reciprocating with gear train (3).
3. Temperature Control Type leggy horizontal spring fatigue tester according to claim 2, it is characterized in that, described workbench (1) is provided with inner frame body (11) and is located at the peripheral outer support body (12) of inner frame body (11), it is upper that described lever body (21) is slidably connected at inner frame body (11), and the described quiet body of rod (22) is fixed on outer support body (12).
4. Temperature Control Type leggy horizontal spring fatigue tester according to claim 3, it is characterized in that, described inner frame body (11) is the regular polygon on plural limit, described outer support body (12) is the regular polygon on plural limit, and between described inner frame body (11) and outer support body (12), forms the annular space (7) of the regular polygon that is plural limit; Middle part, every one side at annular space (7) arranges respectively the horizontal installing mechanism of a spring (2).
5. according to claim 2 or 3 or 4 described Temperature Control Type leggy horizontal spring fatigue testers, it is characterized in that, described heating and heat-insulating device (4) comprises box body (41), this box body (41) has axial perforation and can hold the passage (42) of tested spring, the outer end of the inner of the described quiet body of rod (22) and lever body (21) lays respectively in passage (42), on box body (41), is provided with the electrical heating coil (43) that can heat the tested spring that is positioned at passage (42).
6. Temperature Control Type leggy horizontal spring fatigue tester according to claim 5, it is characterized in that, on described box body (41), also be provided with for detection of the temperature-control senser (44) of the interior temperature of passage (42) with for detection of the sensor for countering (45) of the flexible number of times of passage (42) inner spring, described electrical heating coil (43), temperature-control senser (44) and sensor for countering (45) all are connected with control circuit (46).
7. Temperature Control Type leggy horizontal spring fatigue tester according to claim 6, it is characterized in that, described box body (41) comprises the first halfbody (411) and the second halfbody (412), on described the first halfbody (411) and the second halfbody (412), be respectively equipped with upper groove body (411a) and lower groove (412a), described the first halfbody (411) and the second halfbody (412) can mutually fasten and when the first halfbody (411) and the second halfbody (412) while mutually fastening described upper groove body (411a) and lower groove (412a) amalgamation form above-mentioned passage (42), described the first halfbody (411) and the second halfbody (412) one sides are hinged, and opposite side is connected by syndeton.
8. according to claim 2 or 3 or 4 described Temperature Control Type leggy horizontal spring fatigue testers, it is characterized in that, described gear train (3) comprises and with driving mechanism, being connected and horizontally disposed rotating disk (31), at rotating disk (31), depart from center and be provided with power wheel (32), the inner of described lever body (21) is provided with the roller (33) that can lean with power wheel (32); Perhaps described gear train (3) comprises and with driving mechanism, being connected and horizontally disposed cam, and the inner of described lever body (21) is provided with the pulley that can lean with cam.
9. Temperature Control Type leggy horizontal spring fatigue tester according to claim 8, it is characterized in that, described rotating disk (31) departs from center and is fixed with center-pole (34), described power wheel (32) is arranged on center-pole (34) above and can circumferentially rotates with respect to center-pole (34), described power wheel (32) is evenly equipped with some rolling members ringwise and between power wheel (32) and center-pole (34), on described center-pole (34), is arranged be used to preventing the stop collar (35) of power wheel (32) off center bar (34); Described lever body (21) end is provided with prong (211), in described prong (211), be equipped with central shaft (212), described roller (33) is set in central shaft (212) above and is arranged in prong (211), is evenly equipped with rolling member between described roller (33) and central shaft (212).
10. Temperature Control Type leggy horizontal spring fatigue tester according to claim 3, is characterized in that, between described inner frame body (11) and lever body (21), is provided with the range controlling mechanism (8) that can limit lever body (21) stroke; Between described outer support body (12) and the quiet body of rod (22), be provided with can be with the sound body of rod (22) thus move axially the stroke adjusting structure of adjusting lever body (21) stroke.
CN2013203206844U 2013-06-04 2013-06-04 Temperature control type multiphase horizontal spring fatigue testing machine Withdrawn - After Issue CN203310615U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308299A (en) * 2013-06-04 2013-09-18 浙江伊思灵双第弹簧有限公司 Temperature-controlled multiphase horizontal spring fatigue tester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308299A (en) * 2013-06-04 2013-09-18 浙江伊思灵双第弹簧有限公司 Temperature-controlled multiphase horizontal spring fatigue tester
CN103308299B (en) * 2013-06-04 2015-08-05 浙江伊思灵双第弹簧有限公司 Temperature Control Type leggy horizontal spring fatigue tester

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Granted publication date: 20131127

Effective date of abandoning: 20150805