CN108398253B - Spring fatigue life test bed equipment - Google Patents
Spring fatigue life test bed equipment Download PDFInfo
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- CN108398253B CN108398253B CN201810213331.1A CN201810213331A CN108398253B CN 108398253 B CN108398253 B CN 108398253B CN 201810213331 A CN201810213331 A CN 201810213331A CN 108398253 B CN108398253 B CN 108398253B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention provides spring fatigue life test bed equipment which comprises a double-shaft motor, a gear reversing box, a connecting sleeve, a screw rod, a sliding clamping plate, a pressure sensor and a fixed clamping plate, wherein the connecting sleeve is welded at two ends of a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft, an inner tooth hole is formed in the middle of the front end of the connecting sleeve, the sliding clamping plate is slidably installed in a T-shaped sliding groove in a test bed body through T-shaped sliding blocks on two sides of the lower end of the sliding clamping plate, a spring sleeve is installed in the middle of the sliding clamping plate, the pressure sensor is further embedded in the middle of the inner side of the sliding clamping plate, the fixed clamping plate is further fixed on the test bed body, which is opposite to the outer side, and a guide rod is further. Under the drive of a set of motor, can test four groups of the same springs simultaneously, improve experimental accuracy, the guide bar can avoid the spring to take place to warp and deviate from the inside of spring sleeve after the atress in the testing process.
Description
Technical Field
The invention belongs to the technical field of spring fatigue tests, and particularly relates to a spring fatigue life test bed device.
Background
After the spring is produced, the spring can be put into use only through strict tests before being used, because most of the springs are main parts used on machinery and vehicles, such as the springs on the vehicles, if the springs mounted on the vehicles are not subjected to the strict tests and are randomly mounted on the vehicles for use, the performance does not meet the requirements, and very serious results are easily caused; and like a spring for shock absorption, the vehicle loses balance due to the decline of performance, and traffic accidents are easily caused.
The inventor finds similar patents in the process of patent search, for example, the application numbers are: 201320569519.2 discloses a fatigue life testing device for a coil spring, which comprises a frame, a motor, a reducer and a cam shaft; the motor is in transmission connection with the camshaft through a speed reducer; at least four cam units are arranged on the cam shaft at intervals; each cam unit mainly comprises a cam, a push rod, a limiting bush, a spring, a push rod, a positioning pin and a positioning pin seat; the push rod is arranged below the cam, the limiting bush is sleeved on the push rod, and the spring is also sleeved on the push rod and is positioned below the limiting bush; the ejector rod is fixedly connected with the lower end of the push rod; the positioning pin is arranged below the ejector rod; and is in threaded fit connection with the positioning pin seat. The scheme solves the problems that the test device in the prior art can only test one spiral spring at a time, is low in efficiency and cannot meet production requirements.
Based on the above, the inventor finds that, in the conventional spring testing device, only a single spring can be tested or a plurality of groups of springs can be fixed on the inner side of the same clamping plate to be tested, so that the accuracy of the spring test is affected, and the spring is stressed to deform in the testing process and is easy to separate from the spring sleeve, thereby causing the damage of personnel or equipment.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a spring fatigue life test bed device is provided to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a spring fatigue life test stand apparatus to solve a series of problems proposed in the above background art.
The purpose and the effect of the spring fatigue life test bed equipment are achieved by the following specific technical means:
a spring fatigue life test bed device comprises a test bed body, a hexagonal inner groove, a T-shaped sliding groove, a top cover, a liquid crystal display, a double-shaft motor, a base, a gear reversing box, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, a supporting plate, an auxiliary bearing, a connecting sleeve, an inner tooth hole, a screw rod, a limiting block, a sliding clamping plate, a T-shaped sliding block, a screw hole, a spring sleeve, a pressure sensor, a fixing clamping plate, a guide rod, an outer protecting plate, an outer bearing, a screw hole and an adjusting screw rod, wherein the hexagonal inner groove is arranged in the middle of the inner side of the test bed body, the top cover is installed on the outer side of the top end of the hexagonal inner groove, the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft penetrate through the auxiliary bearing on the supporting plate and are fixed on the inner side of, the motor shafts at two ends of the double-shaft motor are connected with the third rotating shaft and the fourth rotating shaft through a gear reversing box, the double-shaft motor is connected with the first rotating shaft and the second rotating shaft through belts, connecting sleeves are welded at two ends of the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft, an inner tooth hole is formed in the middle of the front end of each connecting sleeve, the sliding clamp plates are slidably mounted in T-shaped sliding grooves in the test bed body through T-shaped sliding blocks at two sides of the lower end of each sliding clamp plate, thread sections of the screws penetrate through screw holes in the T-shaped sliding blocks and penetrate out of the T-shaped sliding grooves, polish rod sections of the screws penetrate into outer bearings of the outer guard plates, limiting blocks are further fixed on the polish rod sections of the screws at two ends of the outer guard plates, the adjusting screw rods penetrate through screw holes in two ends of the outer guard plates and are screwed into inner thread holes in, and a pressure sensor is also embedded in the middle of the inner side of the sliding clamping plate, the pressure sensor is connected with the corresponding liquid crystal display on the test bed body through a wire, a fixed clamping plate is also fixed on the test bed body just opposite to the outer side of the sliding clamping plate, and a guide rod is also inserted in the middle of the fixed clamping plate.
Further, the first rotating shaft and the second rotating shaft are arranged at the same height, and the third rotating shaft and the fourth rotating shaft are also arranged at the same height.
Furthermore, the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are arranged in a vertically staggered manner.
Furthermore, the outer peripheral surface of the light rod section at the inner side of the screw rod is also in a tooth-shaped structure, the tooth-shaped structure is meshed with the inner tooth hole, and the central line of the screw rod and the central line of the connecting sleeve are positioned on the same straight line.
Furthermore, four groups of sliding clamping plates and fixed clamping plates are annularly arranged at the center of the test bed.
Furthermore, the four groups of sliding clamping plates can be driven by the double-shaft motor to simultaneously approach or depart from the fixed clamping plates opposite to the sliding clamping plates.
Furthermore, a spring sleeve is also arranged on the inner side of the fixed clamping plate, and the spring sleeve is arranged opposite to the spring sleeve on the sliding clamping plate.
Compared with the prior art, the invention has the following beneficial effects:
the four groups of sliding clamping plates and the fixed clamping plates are arranged, the outer protection plates are close to the test bed by rotating the adjusting screw rods, the front ends of the screw rods are inserted into the inner tooth holes of the connecting sleeve by rotating the screw rods, so that the four groups of same springs can be tested simultaneously under the driving of a group of motors, the test accuracy is improved, the screw rods can be pulled out from the inner sides of the connecting sleeve by pulling the outer protection plates outwards, and the sliding clamping plates can be stopped as required.
The setting of guide bar when putting into two sets of spring sleeve's inboard with experimental spring and testing, can run through the inside of spring with the guide bar, avoids the spring to take place to warp and deviate from spring sleeve's inside behind the atress in the process of the test, causes equipment or personnel's damage.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is an enlarged schematic view of the structure at a of the present invention.
Fig. 4 is an enlarged schematic view of the invention at B.
Fig. 5 is an enlarged schematic view of the structure at C of the present invention.
Fig. 6 is a schematic view of the structure of the support plate of the present invention.
Fig. 7 is a schematic view of the connecting sleeve structure of the invention.
Fig. 8 is a front view of the sliding clamp of the present invention.
Fig. 9 is a schematic front view of the outer shield according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-test bed body, 101-hexagonal inner groove, 102-T-shaped sliding groove, 103-top cover, 104-liquid crystal display, 2-double-shaft motor, 201-base, 202-gear reversing box, 301-first rotating shaft, 302-second rotating shaft, 303-third rotating shaft, 304-fourth rotating shaft, 4-support plate, 401-auxiliary bearing, 5-connecting sleeve, 501-inner tooth hole, 6-screw rod, 601-limiting block, 7-sliding clamping plate, 701-T-shaped sliding block, 702-screw hole, 703-spring sleeve, 704-pressure sensor, 8-fixing clamping plate, 801-guide rod, 9-outer protecting plate, 901-outer bearing, 902-screw hole and 903-adjusting screw rod.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a spring fatigue life test bed device which comprises a test bed body 1, a hexagonal inner groove 101, a T-shaped sliding groove 102, a top cover 103, a liquid crystal display 104, a double-shaft motor 2, a base 201, a gear reversing box 202, a first rotating shaft 301, a second rotating shaft 302, a third rotating shaft 303, a fourth rotating shaft 304, a support plate 4, an auxiliary bearing 401, a connecting sleeve 5, an inner tooth hole 501, a screw rod 6, a limiting block 601, a sliding clamping plate 7, a T-shaped sliding block 701, a screw hole 702, a spring sleeve 703, a pressure sensor 704, a fixing clamping plate 8, a guide rod 801, an outer protection plate 9, an outer bearing 901, a screw hole 902 and an adjusting screw rod 903, wherein the hexagonal inner groove 101 is arranged in the middle of the inner side of the test bed body 1, the top cover 103 is arranged on the outer side of the top end of the hexagonal inner groove 101, and the first rotating shaft 301, the second rotating shaft 302, the third rotating shaft 303 and the fourth rotating shaft 304 penetrate The double-shaft motor 2 is fixed on the base 201 on the inner side of the hexagonal inner groove 101 through bolts, motor shafts at two ends of the double-shaft motor 2 are connected with the third rotating shaft 303 and the fourth rotating shaft 304 through the gear reversing box 202, the double-shaft motor 2 is connected with the first rotating shaft 301 and the second rotating shaft 302 through belts, the connecting sleeves 5 are welded at two ends of the first rotating shaft 301, the second rotating shaft 302, the third rotating shaft 303 and the fourth rotating shaft 304, the inner tooth hole 501 is formed in the middle of the front end of each connecting sleeve 5, the sliding clamp 7 is slidably mounted in the T-shaped sliding groove 102 on the test bed body 1 through the T-shaped sliding blocks 701 at two sides of the lower end of the sliding clamp, the thread section of the screw 6 penetrates through the screw hole 702 on the T-shaped sliding block 701 and penetrates out of the T-shaped sliding groove 102, and the polished rod section of the screw 6 penetrates into the outer, still be fixed with stopper 601 on the screw rod 6 polished rod section at outer casing 9 both ends, it is downthehole to adjust the screw hole 902 that the screw rod 903 passed outer casing 9 both ends and twist the internal thread on the test bench body 1, spring sleeve 703 is installed to the centre of slip splint 7, and still inlays in the middle of the inboard of slip splint 7 and have pressure sensor 704, and is connected through the wire between the corresponding LCD 104 on pressure sensor 704 and the test bench body 1, and pressure sensor 704 is optional to use CPS181, slip splint 7 is just still fixed with solid fixed splint 8 on the test bench body 1 in the outside, and the centre of solid fixed splint 8 has still interpenetrated has guide bar 801.
The first rotating shaft 301 and the second rotating shaft 302 are disposed at the same height, and the third rotating shaft 303 and the fourth rotating shaft 304 are also disposed at the same height.
First axis of rotation 301, second axis of rotation 302 and third axis of rotation 303, fourth axis of rotation 304 are about, crisscross setting, avoid first axis of rotation 301, second axis of rotation 302 and third axis of rotation 303, fourth axis of rotation 304 to influence rotation work each other, the installation of gear commutation case 202 of also being convenient for simultaneously to make biax motor 2 drive third axis of rotation 303, fourth axis of rotation 304 through gear commutation case 202 and rotate.
The outer peripheral surface of the inner side light rod section of the screw rod 6 is also in a toothed structure, the toothed structure is meshed with the inner tooth hole 501, the central line of the screw rod 6 and the central line of the connecting sleeve 5 are located on the same straight line, the screw rod 6 can be inserted into the inner tooth hole 501 on the inner side of the connecting sleeve 5, and the screw rod 6 can be driven to rotate when the connecting sleeve 5 rotates.
The sliding clamping plate 7 and the fixed clamping plate 8 are annularly provided with four groups with the center of the test bed 1, under the driving of a group of motors, the four groups of same springs can be tested at the same time, the test accuracy is improved, and the screw rod 6 can also be pulled outwards through the outer protecting plate 9 to be pulled out from the inner side of the connecting sleeve 5, so that the sliding clamping plate 7 stops working.
The four groups of sliding clamping plates 7 can be driven by the double-shaft motor 2 to simultaneously approach or separate from the opposite fixed clamping plates 8.
The inner side of the fixed clamp 8 is also provided with a spring sleeve 703, and the spring sleeve 703 is arranged opposite to the spring sleeve 703 on the sliding clamp 7, so that the test spring can be conveniently placed in the two sets of opposite spring sleeves 703 for testing.
The specific use mode and function of the embodiment are as follows:
in the invention, the outer guard plate 9 is close to the test bed by rotating the adjusting screw rod 903, the screw rod 6 is rotated to enable the front end of the screw rod 6 to be inserted into the inner tooth hole 501 of the connecting sleeve 5, then four groups of identical springs can be placed into the spring sleeve 703 on the sliding clamp plate 7 and the fixed clamp plate 8, and the guide rod 801 penetrates into the spring, so as to avoid the spring from deforming and falling out of the spring sleeve after being stressed in the test process to cause the damage of equipment or personnel, the double-shaft motor 2 is started to drive the first rotating shaft 301, the second rotating shaft 302, the third rotating shaft 303 and the fourth rotating shaft 304 to rotate through the belt or the gear reversing box 202 respectively, the four groups of identical springs can be tested simultaneously, the test accuracy is improved, the screw rod 6 can also be pulled outwards through the outer guard plate 9 to pull out the front end of the screw rod 6 from the inner side of the connecting sleeve 5, the work of the sliding clamp 7 is stopped as required, and the pressure sensor 704 feeds the detected pressure back to the corresponding liquid crystal display 104 for displaying during the test.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a spring fatigue life test bench equipment which characterized in that: the spring fatigue life test bed device comprises a test bed body (1), a hexagonal inner groove (101), a T-shaped sliding groove (102), a top cover (103), a liquid crystal display (104), a double-shaft motor (2), a base (201), a gear reversing box (202), a first rotating shaft (301), a second rotating shaft (302), a third rotating shaft (303), a fourth rotating shaft (304), a supporting plate (4), an auxiliary bearing (401), a connecting sleeve (5), an inner tooth hole (501), a screw rod (6), a limiting block (601), a sliding clamping plate (7), a T-shaped sliding block (701), a screw hole (702), a spring sleeve (703), a pressure sensor (704), a fixed clamping plate (8), a guide rod (801), an outer protection plate (9), an outer bearing (901), a screw hole (902) and an adjusting screw rod (903), wherein the hexagonal inner groove (101) is formed in the middle of the inner side of the test bed body, a top cover (103) is installed on the outer side of the top end of the hexagonal inner groove (101), the first rotating shaft (301), the second rotating shaft (302), the third rotating shaft (303) and the fourth rotating shaft (304) penetrate through auxiliary bearings (401) on the supporting plates (4) and are fixed on the inner side of the hexagonal inner groove (101) through the supporting plates (4) at the two ends of the supporting plates, the double-shaft motor (2) is fixed on a base (201) on the inner side of the hexagonal inner groove (101) through bolts, motor shafts at the two ends of the double-shaft motor (2) are connected with the third rotating shaft (303) and the fourth rotating shaft (304) through a gear reversing box (202), the double-shaft motor (2) is connected with the first rotating shaft (301) and the second rotating shaft (302) through belts, and connecting sleeves (5) are welded at the two ends of the first rotating shaft (301), the second rotating shaft (302), the third rotating shaft (303), an inner tooth hole (501) is formed in the middle of the front end of the connecting sleeve (5), the sliding clamp plate (7) is slidably mounted in a T-shaped sliding groove (102) on the test bed body (1) through T-shaped sliding blocks (701) on two sides of the lower end of the sliding clamp plate (7), a threaded section of the screw rod (6) penetrates through a screw hole (702) in the T-shaped sliding block (701) and penetrates out of the T-shaped sliding groove (102), a polished rod section of the screw rod (6) penetrates into an outer bearing (901) of the outer guard plate (9), a limiting block (601) is further fixed on the polished rod sections of the screw rods (6) at two ends of the outer guard plate (9), an adjusting screw rod (903) penetrates through screw holes (902) at two ends of the outer guard plate (9) and is screwed into an inner threaded hole in the test bed body (1), a spring sleeve (703) is mounted in the middle of the sliding clamp plate (7), and a pressure sensor, the pressure sensor (704) is connected with the corresponding liquid crystal display (104) on the test bed body (1) through a lead, a fixed clamp plate (8) is further fixed on the test bed body (1) of the sliding clamp plate (7) opposite to the outer side, and a guide rod (801) is further inserted in the middle of the fixed clamp plate (8); four groups of sliding clamping plates (7) and four groups of fixed clamping plates (8) are annularly arranged at the center of the test bed (1); the four groups of sliding clamping plates (7) can be driven by the double-shaft motor (2) to simultaneously approach or separate from the opposite fixed clamping plates (8).
2. The spring fatigue life test stand apparatus of claim 1, wherein: the first rotating shaft (301) and the second rotating shaft (302) are arranged at the same height, and the third rotating shaft (303) and the fourth rotating shaft (304) are also arranged at the same height.
3. The spring fatigue life test stand apparatus of claim 2, wherein: the first rotating shaft (301), the second rotating shaft (302), the third rotating shaft (303) and the fourth rotating shaft (304) are arranged in a vertically staggered mode.
4. The spring fatigue life test stand apparatus of claim 1, wherein: the outer peripheral surface of the inner side light rod section of the screw rod (6) is also in a toothed structure, the toothed structure is meshed with the inner tooth hole (501), and the center line of the screw rod (6) and the center line of the connecting sleeve (5) are located on the same straight line.
5. The spring fatigue life test stand apparatus of claim 1, wherein: the inner side of the fixed clamping plate (8) is also provided with a spring sleeve (703), and the spring sleeve (703) is arranged opposite to the spring sleeve (703) on the sliding clamping plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213331.1A CN108398253B (en) | 2018-03-15 | 2018-03-15 | Spring fatigue life test bed equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213331.1A CN108398253B (en) | 2018-03-15 | 2018-03-15 | Spring fatigue life test bed equipment |
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| CN108398253A CN108398253A (en) | 2018-08-14 |
| CN108398253B true CN108398253B (en) | 2020-06-12 |
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| CN201810213331.1A Active CN108398253B (en) | 2018-03-15 | 2018-03-15 | Spring fatigue life test bed equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082051B (en) * | 2019-04-29 | 2021-09-10 | 翟如相 | Automatic spring detection device |
| CN114354171B (en) * | 2022-01-10 | 2024-06-18 | 五河合泽循环生态有限公司 | Mud life-span detection analogue means is scraped to sewage |
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| 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 |
| CN104535315A (en) * | 2015-01-07 | 2015-04-22 | 宁波力品格自动化科技有限公司 | Self-locking air spring compressing force and fatigue strength integrated detecting device |
| CN204988700U (en) * | 2015-08-10 | 2016-01-20 | 无锡凯伦纳弹簧有限公司 | Life of spring testing arrangement |
| CN107036805A (en) * | 2017-06-14 | 2017-08-11 | 苏州科技大学 | Spring anti-fatigue test equipment |
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| CN107727389A (en) * | 2017-12-01 | 2018-02-23 | 佛山市子活力弹簧有限公司 | A kind of spring experimental rig |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101881693B (en) * | 2010-03-31 | 2012-07-18 | 芜湖杰锋汽车动力系统有限公司 | Spring fatigue testing equipment and testing method thereof |
| KR101407951B1 (en) * | 2013-03-19 | 2014-06-17 | 한국수력원자력 주식회사 | Test equipment for the measurement of compress force and distance of the motor operator springpack |
| CN205483513U (en) * | 2016-01-12 | 2016-08-17 | 广州彩虹五金弹簧有限公司 | Spring fatigue tester |
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| 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 |
| CN104535315A (en) * | 2015-01-07 | 2015-04-22 | 宁波力品格自动化科技有限公司 | Self-locking air spring compressing force and fatigue strength integrated detecting device |
| CN204988700U (en) * | 2015-08-10 | 2016-01-20 | 无锡凯伦纳弹簧有限公司 | Life of spring testing arrangement |
| CN206732843U (en) * | 2017-05-09 | 2017-12-12 | 南京瓦科机械设备有限公司 | A kind of mechanical production devices fast compressing device |
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| CN107727389A (en) * | 2017-12-01 | 2018-02-23 | 佛山市子活力弹簧有限公司 | A kind of spring experimental rig |
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| CN108398253A (en) | 2018-08-14 |
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Address after: 233316 No. 125, long Miao village, Mo Hekou Town, Huaishang District, Bengbu, Anhui Applicant after: Zhu Baiyan Address before: 233316 No. 125 Zhenlong temple village, Wuhe County, Bengbu, Anhui Applicant before: Zhu Baiyan |
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Effective date of registration: 20200518 Address after: 518100 plant 101, 201, 401, 43 Guangtian Road, Luotian community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN QIANYE PRECISION METAL Co.,Ltd. Address before: 233316 No. 125, long Miao village, Mo Hekou Town, Huaishang District, Bengbu, Anhui Applicant before: Zhu Baiyan |
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