CN213274823U - Compression spring fatigue test device - Google Patents
Compression spring fatigue test device Download PDFInfo
- Publication number
- CN213274823U CN213274823U CN202022515910.7U CN202022515910U CN213274823U CN 213274823 U CN213274823 U CN 213274823U CN 202022515910 U CN202022515910 U CN 202022515910U CN 213274823 U CN213274823 U CN 213274823U
- Authority
- CN
- China
- Prior art keywords
- compression spring
- support
- connecting plate
- spring fatigue
- testing apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000006835 compression Effects 0.000 title claims abstract description 43
- 238000007906 compression Methods 0.000 title claims abstract description 43
- 238000009661 fatigue test Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 9
- 241001330002 Bambuseae Species 0.000 claims abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 9
- 239000011425 bamboo Substances 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a compression spring fatigue test device, which comprises a support, be equipped with reciprocating drive mechanism, experimental promotion part and installation component in proper order along its length direction on the support, wherein, have on the experimental promotion part with support sliding connection's location slider, be equipped with the section of thick bamboo that pushes away that extends towards the installation component direction on the location slider, have the arrangement annular that is used for installing compression spring on the installation component, should settle the annular and can follow the axial that pushes away a section of thick bamboo and push away a slip cup joint, the installation component assembles on the support with the detachable mode, reciprocating drive mechanism is used for driving location slider reciprocating sliding on the support. The utility model has the advantages that: the device has the technical advantages of simple and compact structure, convenience in installation of the compression spring, contribution to reduction of test cost and the like.
Description
Technical Field
The utility model belongs to the technical field of the spring, concretely relates to compression spring fatigue test device.
Background
The compression spring (pressure spring) is a helical spring bearing the pressure, the section of the material of the compression spring is generally circular, the compression spring is generally in equal pitch, a certain gap is reserved between the rings of the compression spring, and the compression spring contracts and deforms when being subjected to external load, so that the deformation energy is stored.
In order to ensure that the spring meets the specified factory requirements, the compression spring must be subjected to a fatigue test before being put into use, and the compression spring qualified through the fatigue test can be put on the market. In the prior art, most of fatigue test devices for compression springs are large-scale experimental equipment, the results are too large and complex, and when the fatigue test devices are used for fatigue tests of small and medium-sized springs, the springs are large in size and small in size, and the reduction of the test cost of enterprises is not facilitated.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a compression spring fatigue test device to solve the too bulky and complicated technical problem of current test device.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
the utility model provides a compression spring fatigue test device which the key lies in: including the support, be equipped with reciprocal actuating mechanism, experimental promotion part and installation component on the support in proper order along its length direction, wherein, have on the experimental promotion part with support sliding connection's location slider, be equipped with the section of thick bamboo that pushes away that extends towards the installation component direction on the location slider, the last arrangement annular that is used for installing compression spring that has of installation component, should settle the annular and can follow the axial that pushes away a section of thick bamboo and push away a sliding sleeve and cup joint, the installation component assembles on the support with detachable mode, reciprocal actuating mechanism is used for driving location slider reciprocating sliding on the support.
The testing device has the technical advantages of simple and compact structure and contribution to reducing the testing cost. The compression spring to be tested is arranged in the mounting ring groove, the reciprocating driving mechanism drives the positioning slide block to slide on the support in a reciprocating mode, the front end of the push cylinder can reciprocate in the mounting ring groove, and therefore reciprocating compression of the compression spring is achieved.
Preferably, the method comprises the following steps: the reciprocating driving mechanism comprises a connecting rod, a rotary table and a motor, wherein the rotary table is rotatably arranged on the support, the motor is used for driving the rotary table to rotate, one end of the connecting rod is rotatably connected onto the rotary table in an eccentric mode, and the other end of the connecting rod is hinged onto the positioning sliding block. By adopting the structure, the motor drives the turntable to rotate, and the turntable drives the connecting rod to move, so that the positioning sliding block can slide on the support in a reciprocating manner.
Preferably, the method comprises the following steps: the installation part comprises a horizontal connecting plate and a vertical connecting plate which is perpendicular to the horizontal connecting plate, a central positioning column and a positioning cylinder located on the outer side of the peripheral direction of the central positioning column are arranged on the inner side of the vertical connecting plate, and the arrangement ring groove is located between the central positioning column and the positioning cylinder.
Preferably, the method comprises the following steps: and the position of the support corresponding to the horizontal connecting plate is provided with an installation notch, and the horizontal connecting plate is connected to the installation notch through a bolt. By adopting the structure, the compression spring to be tested is conveniently arranged in the mounting ring groove from the axial direction.
Preferably, the method comprises the following steps: and reinforcing ribs are arranged between the horizontal connecting plate and the vertical connecting plate. By adopting the structure, the mounting component can be ensured to have better stress supporting strength during testing.
Preferably, the method comprises the following steps: and a circular groove is formed in the end face of the push cylinder. By adopting the structure, when in test, the end part of the compression spring is positioned and supported in the circular groove, and the stability of the compression spring test can be ensured.
Preferably, the method comprises the following steps: and the support is provided with a sliding groove in sliding fit with the lower end of the positioning sliding block. By adopting the structure, the sliding assembly of the positioning sliding block is convenient to realize.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt the utility model provides a compression spring fatigue test device has simple structure, compact structure, compression spring simple to operate and is favorable to reducing technical advantage such as test cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the test push member and mounting member in position;
fig. 3 is a schematic structural view of a test pusher.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 and 2, a compression spring fatigue test device relates to the following components: the double-driving mechanism 2, the test pushing component 3 and the mounting component 4 are sequentially arranged along the length direction of the support 1, the test pushing component 3 comprises a positioning slide block 3a and a pushing cylinder 3b extending from the right end of the positioning slide block 3a to the direction close to the mounting component 4, a sliding groove 1b is formed in the support 1, and the lower end of the positioning slide block 3a is assembled on the sliding groove 1b in a sliding mode. The mounting part 4 comprises a horizontal connecting plate 4b and a vertical connecting plate 4c perpendicular to the horizontal connecting plate 4b, a central positioning column 4d and a positioning cylinder 4e located on the circumferential outer side of the central positioning column 4d are arranged on the inner side of the vertical connecting plate 4c, an arranging ring groove 4a used for mounting a compression spring 6 is formed between the central positioning column 4d and the positioning cylinder 4e, a mounting notch 1a is formed in the position, corresponding to the horizontal connecting plate 4b, of the support 1, and the horizontal connecting plate 4b is detachably connected to the mounting notch 1a through a bolt 5. The reciprocating driving mechanism 2 comprises a connecting rod 2c, a rotary table 2a rotatably arranged on the support 1 and a motor 2b for driving the rotary table 2 to rotate, one end of the connecting rod 2c is rotatably connected to the rotary table 2a in an eccentric mode, and the other end of the connecting rod 2c is hinged to the positioning slide block 3 a.
The working principle of the compression spring fatigue test performed by using the test device provided by the embodiment is as follows:
the compression spring 6 to be tested is installed in the installation ring groove 4a of the installation part 4, the installation ring groove 4a is sleeved with the push cylinder 3b of the test pushing part 3, the horizontal connecting plate 4b of the installation part 4 is locked on the installation notch 1a of the support 1 through the bolt 5, finally the motor 2b works, the output power of the motor sequentially drives the rotary table 2a, the connecting rod 2c and the positioning slide block 3a to move, and therefore the push cylinder 3b is driven to reciprocate in the installation ring groove 4a along the axial direction of the push cylinder, and reciprocating compression of the compression spring 6 is achieved.
Further, in order to improve the test support strength of the mounting member 4, a reinforcing rib 4g is provided between the horizontal connecting plate 4b and the vertical connecting plate 4 c. In order to count the number of times that the compression spring 6 is compressed conveniently, the present embodiment is provided with a counter for monitoring the number of rotation turns of the rotating shaft of the motor 2b, and the counter automatically counts once every time the rotating disc 2a rotates one turn (i.e. the push cylinder 3b reciprocates once).
As shown in fig. 3, the end of the pushing cylinder 3b is provided with a circular groove 3c, and during the test, the left end of the compression spring 6 is positioned and supported in the circular groove 3c, so that the stability of the compression spring 6 in the contraction motion after being pressed can be ensured.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (8)
1. The utility model provides a compression spring fatigue test device which characterized in that: including support (1), be equipped with reciprocal actuating mechanism (2), experimental promotion part (3) and installing component (4) along its length direction in proper order on support (1), wherein, have on experimental promotion part (3) with support (1) sliding connection's location slider (3a), be equipped with on location slider (3a) and push away a section of thick bamboo (3b) towards installing component (4) orientation extension, have arrangement annular (4a) that are used for installing compression spring on installing component (4), should settle annular (4a) and can follow the axial of pushing away a section of thick bamboo (3b) and push away a section of thick bamboo (3b) sliding sleeve, installing component (4) assemble on support (1) with detachable mode, reciprocal actuating mechanism (2) are used for driving location slider (3a) on support (1) reciprocal slip.
2. The compression spring fatigue testing apparatus according to claim 1, characterized in that: reciprocating drive mechanism (2) include connecting rod (2c), rotate carousel (2a) of installing on support (1) to and drive carousel pivoted motor (2b), connecting rod (2c) one end rotates with eccentric mode and connects on carousel (2a), and the other end articulates on location slider (3 a).
3. The compression spring fatigue testing apparatus according to claim 1, characterized in that: installation component (4) include horizontal connection board (4b) and vertical connecting plate (4c) with horizontal connection board (4b) perpendicular setting, the inboard of vertical connecting plate (4c) is equipped with central reference column (4d) and is located a position section of thick bamboo (4e) in central reference column (4d) circumference outside, settle annular (4a) and be located between central reference column (4d) and a position section of thick bamboo (4 e).
4. The compression spring fatigue testing apparatus according to claim 3, characterized in that: the support (1) is provided with an installation notch (1a) corresponding to the position of the horizontal connecting plate (4b), and the horizontal connecting plate (4b) is connected to the installation notch (1a) through a bolt (5).
5. The compression spring fatigue testing apparatus according to claim 4, wherein: and reinforcing ribs (4g) are arranged between the horizontal connecting plate (4b) and the vertical connecting plate (4 c).
6. The compression spring fatigue testing apparatus according to claim 1, characterized in that: the end surface of the push cylinder (3b) is provided with a circular groove (3 c).
7. The compression spring fatigue testing apparatus according to claim 1, characterized in that: the support (1) is provided with a sliding groove (1b) which is in sliding fit with the lower end of the positioning sliding block (3 a).
8. The compression spring fatigue testing apparatus according to claim 2, characterized in that: the motor (2b) is provided with a counter for monitoring the rotation number of the rotating shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022515910.7U CN213274823U (en) | 2020-11-03 | 2020-11-03 | Compression spring fatigue test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022515910.7U CN213274823U (en) | 2020-11-03 | 2020-11-03 | Compression spring fatigue test device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213274823U true CN213274823U (en) | 2021-05-25 |
Family
ID=75952206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202022515910.7U Expired - Fee Related CN213274823U (en) | 2020-11-03 | 2020-11-03 | Compression spring fatigue test device |
Country Status (1)
Country | Link |
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CN (1) | CN213274823U (en) |
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2020
- 2020-11-03 CN CN202022515910.7U patent/CN213274823U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |