CN211576780U - Spring endurance test device - Google Patents
Spring endurance test device Download PDFInfo
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- CN211576780U CN211576780U CN202020190884.2U CN202020190884U CN211576780U CN 211576780 U CN211576780 U CN 211576780U CN 202020190884 U CN202020190884 U CN 202020190884U CN 211576780 U CN211576780 U CN 211576780U
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- spring
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Abstract
The utility model relates to a spring endurance test device, including guide bar, upper support plate, lower support plate, casing, drive shaft, spirit level, transmission portion and cam, the drive shaft is respectively through bearing installation in the carrier housing, in the casing, still join in marriage the cam in the outer lane of drive shaft, the outer wheel face of the aforesaid cam contacts with the lower support plate through the transmission portion, one end of many guide bars runs through the uide bushing and with the casing spiro union, the other end of each guide bar is connected with upper support plate screw thread jointly, the surface of upper support plate is carried in the spirit level installation; and a plurality of spring mounting grooves for mounting experiment springs are formed in the lower supporting plate. Utilize the utility model discloses can once load a plurality of springs and verify, it verifies efficiently, adopts ordinary motor drive energy consumption lower, and the circulation frequency range is wide, can follow every minute 150 and change between 15000 times, and the arrangement of spirit level makes the load guarantee forward, does not take place the slope.
Description
Technical Field
The utility model relates to a spring technical field especially relates to a spring endurance test device for car.
Background
The automobile product has wider and wider application range and larger holding capacity all over the world, and the spring is used as a common mechanical part and is widely applied to the automobile product. In order to ensure the safety and reliability of automobile products, all parts must pass strict experimental examination and verification to be used on the automobile.
Because the required cycle number of the spring is high, the number of experimental samples also needs to meet a certain proportion, and therefore, a lot of difficulties are brought to the verification of the spring.
The currently common verification method is to perform durability experiment verification on the spring through a spring tester. The normal spring cycle times are 60-100 ten thousand, if a spring tester is used for spring endurance tests, only a few springs can be verified each time, and the sample number is far from the experimental requirements; secondly, if the circulation is carried out for 100 ten thousand times, a long time is needed, and the energy consumption of the experimental machine is very high; in addition, there is also a requirement for spring size, and different testing machines are required to verify different sized springs.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the existing problems, researches and improves, and provides a spring endurance test device which can be used for loading a plurality of springs at one time for verification, is low in verification cost and energy consumption, and greatly improves the test efficiency of the springs.
The utility model discloses the technical scheme who adopts as follows:
the spring endurance test device comprises guide rods, an upper supporting plate, a lower supporting plate, a shell, a driving shaft, a level, a transmission part and a cam, wherein the driving shaft is arranged in the loading shell through bearings respectively; and a plurality of spring mounting grooves for mounting experiment springs are formed in the lower supporting plate.
The further technical scheme is as follows:
the cam is a triangular cam;
the transmission part comprises a top column, a connecting block and a spherical part, the top column is matched in a vertical through hole of the shell in a sliding manner, the lower part of the top column is matched with the connecting block, and the bottom surface of the connecting block is clamped with the spherical part;
the upper surface of the shell is provided with a threaded hole for being in threaded connection with a guide rod;
the bearing outer ring at any end of the driving shaft is also matched with an end cover for connecting the experiment table;
a plurality of threaded holes which are in threaded connection with the guide rods are formed in the upper supporting plate, and through holes for the guide rods to penetrate through are formed in each lower supporting plate;
each guide sleeve is matched with a guide sleeve mounting hole arranged on the lower supporting plate.
The utility model has the advantages as follows:
the utility model discloses simple structure, convenient to use utilizes the utility model discloses can once load a plurality of springs and verify, it verifies efficiently, and it is lower to adopt ordinary motor drive energy consumption, and the circulation frequency range is wide, can follow 150 times per minute and change between 15000 times, the utility model discloses can satisfy the verification of the spring of different external diameters, length, working stroke, the location of spring is reliable stable simultaneously, and the arrangement of spirit level makes the load guarantee forward, does not take place the slope.
Drawings
Fig. 1 is an axonometric view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic sectional structure view at a-a in fig. 2.
Wherein: 1. a guide bar; 2. an upper support plate; 3. a lower support plate; 4. a housing; 5. an end cap; 6. a drive shaft; 7. a level gauge; 8. an experimental spring; 9. a top pillar; 10. a spring mounting groove; 11. connecting blocks; 12. a spherical member; 13. a cam; 14. and a guide sleeve.
Detailed Description
The following describes embodiments of the present invention.
As shown in fig. 1 to 3, a spring endurance test apparatus includes a bag guide bar 1, an upper support plate 2, a lower support plate 3, a housing 4, a drive shaft 6, a level gauge 7, a transmission part, and a cam 13, wherein the drive shaft 6 is respectively mounted in the housing 4 through bearings, the housing 4 and an outer ring of the drive shaft 6 are further provided with the cam 13, and the cam 13 is a triangular cam. The outer wheel surface of the cam 13 is contacted with the lower support plate 3 through a transmission part, one end of each of a plurality of guide rods 1 penetrates through the guide sleeve 14 and is in threaded connection with the shell 4, the other end of each guide rod 1 is in threaded connection with the upper support plate 2, and the level gauge 7 is arranged on the surface of the upper support plate 2; a plurality of spring installation grooves 10 for installing the experiment springs 8 are formed in the lower support plate 3.
As shown in fig. 3, the transmission part includes a top pillar 9, a connecting block 11 and a spherical member 12, the top pillar 9 is slidably fitted in the vertical through hole of the housing 4, the lower part of the top pillar 9 is fitted with the connecting block 11, the spherical member 12 is clamped on the bottom surface of the connecting block 11, and the spherical member 12 is a steel ball. The bottom surface of the connecting block 11 is provided with a clamping groove for clamping the spherical part 12.
The bearing outer ring at any end of the driving shaft 6 is also matched with an end cover 5 for connecting the experiment table. The upper supporting plate 2 is provided with a plurality of threaded holes which are arranged on the upper surface of the shell 4 and used for being in threaded connection with the guide rod 1. A plurality of threaded holes which are connected with the guide rods 1 in a threaded mode are formed in the upper supporting plate 2, and through holes which are used for the guide rods 1 to penetrate through are formed in the lower supporting plates 3. Each guide sleeve 14 is matched with a guide sleeve mounting hole (not marked in the figure) formed on the lower support plate 3.
The utility model discloses a concrete working process as follows:
before the operation, the driving shaft 6 is connected with the motor part, the driving shaft 6 is rotated to rotate the cam 13 to the lowest point, the top pillar 9 is at the lowest point, the plurality of experimental springs 8 are installed in the spring-loaded installation grooves 10, the position of the upper supporting plate 2 is adjusted to keep the experimental springs 8 in a free length state, and the upper supporting plate 2 is calibrated by the level 7 to keep the level.
When the experiment spring 8 works, the driving shaft 6 is driven by the output end of the engine to rotate, the driving shaft 6 rotates to drive the cam 13 to rotate, when the cam 13 rotates to the highest point, the high point of the cam 13 contacts the spherical part 12, the spherical part 12 is stressed and drives the ejection column 9 to move upwards through the connecting block 11, the upper supporting plate 2 is kept still, and the experiment spring 8 is contacted and compressed to the shortest position by the lower supporting plate 3 from the longest position. When the cam 13 on the driving shaft 6 moves from the highest point to the lowest point, the lower supporting plate 3 moves downwards under the action of the force of the experimental spring 8, so that the top pillar 9, the connecting block 11 and the spherical element 12 are pushed to move downwards, the spherical element 12 contacts the cam 13, and the working process is a working cycle. Every time the driving shaft 6 rotates for one circle, the experiment spring 8 completes 3 times of circulation, so that the experiment spring 8 is repeatedly compressed and reset in a circulating mode, and loading and unloading of the experiment spring 8 are achieved.
The free length state of the test spring 8 before operation is achieved by adjusting the distance L between the upper support plate 2 and the lower support plate 3. The upper supporting plate 2 can be adjusted in position relative to the guide rod 1, the working stroke of the experimental spring 8 is determined by the height difference (H2-H1) between the lowest point and the highest point of the cam 13, and as shown in figure 3, the spring experiment with different working strokes can be realized by replacing the cam 13 with different height differences.
When the experiment spring 8 needs to be added or the outline dimension of the experiment spring is greatly different, the shape and the number of the spring installation grooves in the lower supporting plate 3 only need to be added or changed.
When 25 springs are verified simultaneously, the total power is 0.01KW, the verification time is 1 hour, and the energy consumption of one spring is 0.0004 kilowatt-hour in average verification.
When 100 springs are verified simultaneously, the total power is 0.01KW, the verification time is 1 hour, and the energy consumption of one spring is 0.0001 kilowatt-hour in average verification.
The utility model discloses simple structure, convenient to use utilizes the utility model discloses can once load a plurality of springs and verify, it verifies efficiently, and it is lower to adopt ordinary motor drive energy consumption, and the circulation frequency range is wide, can follow 150 times per minute and change between 15000 times, the utility model discloses can satisfy the verification of the spring of different external diameters, length, working stroke, the location of spring is reliable stable simultaneously, and the arrangement of spirit level makes the load guarantee forward, does not take place the slope.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (7)
1. A spring endurance test device which characterized in that: the device comprises guide rods (1), an upper supporting plate (2), a lower supporting plate (3), a shell (4), a driving shaft (6), a level meter (7), a transmission part and a cam (13), wherein the driving shaft (6) is respectively installed in the shell (4) through a bearing, the cam (13) is further arranged in the shell (4) and on the outer ring of the driving shaft (6), the outer ring surface of the cam (13) is in contact with the lower supporting plate (3) through the transmission part, one end of each guide rod (1) penetrates through a guide sleeve (14) and is in threaded connection with the shell (4), the other end of each guide rod (1) is in threaded connection with the upper supporting plate (2), and the surface of the upper supporting plate (2) is installed on the level meter (7); and a plurality of spring mounting grooves (10) for mounting experiment springs (8) are formed in the lower supporting plate (3).
2. A spring endurance testing apparatus according to claim 1, wherein: the cam (13) is a triangular cam.
3. A spring endurance testing apparatus according to claim 1, wherein: the transmission portion includes fore-set (9), connecting block (11) and spherical (12), fore-set (9) slidable cooperation is in the vertical through-hole of casing (4), the lower part cooperation connecting block (11) of fore-set (9) the spherical (12) of bottom surface joint of connecting block (11).
4. A spring endurance testing apparatus according to claim 1, wherein: and a threaded hole for being in threaded connection with the guide rod (1) is formed in the upper surface of the shell (4).
5. A spring endurance testing apparatus according to claim 1, wherein: and the bearing outer ring at any end of the driving shaft (6) is also matched with an end cover (5) for connecting the experiment table.
6. A spring endurance testing apparatus according to claim 1, wherein: a plurality of threaded holes which are in threaded connection with the guide rods (1) are formed in the upper supporting plate (2), and through holes which are used for the guide rods (1) to penetrate through are formed in the lower supporting plates (3).
7. A spring endurance testing apparatus according to claim 1, wherein: each guide sleeve (14) is matched with a guide sleeve mounting hole arranged on the lower supporting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190884.2U CN211576780U (en) | 2020-02-20 | 2020-02-20 | Spring endurance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190884.2U CN211576780U (en) | 2020-02-20 | 2020-02-20 | Spring endurance test device |
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| Publication Number | Publication Date |
|---|---|
| CN211576780U true CN211576780U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020190884.2U Active CN211576780U (en) | 2020-02-20 | 2020-02-20 | Spring endurance test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916518A (en) * | 2021-09-27 | 2022-01-11 | 西安昆仑工业（集团）有限责任公司 | Cylindrical helical compression spring fatigue test clamp and using method |
-
2020
- 2020-02-20 CN CN202020190884.2U patent/CN211576780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916518A (en) * | 2021-09-27 | 2022-01-11 | 西安昆仑工业（集团）有限责任公司 | Cylindrical helical compression spring fatigue test clamp and using method |
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