CN217605263U - Spring fatigue testing machine - Google Patents
Spring fatigue testing machine Download PDFInfo
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- CN217605263U CN217605263U CN202221257454.3U CN202221257454U CN217605263U CN 217605263 U CN217605263 U CN 217605263U CN 202221257454 U CN202221257454 U CN 202221257454U CN 217605263 U CN217605263 U CN 217605263U
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- sliding seat
- fixing table
- testing machine
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Abstract
The utility model relates to a spring fatigue testing machine, including first fixed station and second fixed station, first fixed station and second fixed station interval set up, are equipped with first sliding seat and second sliding seat between first fixed station and the second fixed station, and first fixed station and first sliding seat are used for connecting the both ends of the first spring that awaits measuring respectively, and second fixed station and second sliding seat are used for connecting the both ends of the second spring that awaits measuring respectively; the driving mechanism is used for driving the two sliding seats to perform synchronous and equidirectional reciprocating linear motion, so that the second spring is reset when the first spring is stretched, and the second spring is stretched when the first spring is reset. The utility model discloses a set up two sets of accredited testing organization, realize carrying out fatigue test to two sets of springs in step in every test period, greatly improved efficiency of software testing.
Description
Technical Field
The utility model belongs to the technical field of spring fatigue test technique and specifically relates to a spring fatigue testing machine.
Background
Because the spring bears the tension and compression load in the work, the fatigue test of the spring is necessary to test the fatigue resistance and the load force of the spring and detect the test to ensure the service life of the spring and the parts thereof.
In order to improve the universality and flexibility of the testing equipment, the spring fatigue testing machine in the prior art can only perform fatigue testing on one group of springs in each testing period, so that the testing efficiency is low. And in order to be suitable for springs of different specifications, the driving mechanism has a complex structure, which results in high maintenance and operation costs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a spring fatigue testing machine, the purpose realizes carrying out fatigue test to two sets of springs in every test cycle to improve efficiency of software testing.
The utility model adopts the technical scheme as follows:
a spring fatigue testing machine comprises a first fixing table and a second fixing table, wherein the first fixing table and the second fixing table are arranged at intervals, a first sliding seat and a second sliding seat are arranged between the first fixing table and the second fixing table, the first fixing table and the first sliding seat are respectively used for connecting two ends of a first spring to be tested, and the second fixing table and the second sliding seat are respectively used for connecting two ends of a second spring to be tested;
the two sliding seats are driven to synchronously reciprocate linearly in the same direction by the driving mechanism, so that the second spring is reset when the first spring is stretched, and the second spring is stretched when the first spring is reset.
The further technical scheme is as follows:
the driving mechanism structurally comprises a speed reducing mechanism, a first connecting rod and a second connecting rod;
the output end of the speed reducing mechanism is provided with a connecting shaft eccentrically arranged with an output shaft of the speed reducing mechanism, one end of the first connecting rod is connected with the connecting shaft, the other end of the first connecting rod is connected with the first sliding seat, one end of the second connecting rod is connected with the connecting shaft, and the other end of the second connecting rod is connected with the second sliding seat.
The driving mechanism further comprises a driving motor, and the output end of the driving motor is connected with the input end of the speed reducing mechanism through a belt transmission mechanism.
A linear guide rail is arranged between the first fixing table and the second fixing table, and the first sliding seat and the second sliding seat are connected with the linear guide rail in a sliding mode.
The two fixed tables and the sliding seat are respectively provided with a positioning piece for fixing the end part of the spring, and the position of the positioning piece on the fixed tables can be adjusted to adjust the distance between the positioning piece and the corresponding positioning piece on the sliding seat.
Each fixing table is provided with a protective cover, and the protective cover covers the first spring and the second spring to be tested from the outside.
The beneficial effects of the utility model are as follows:
the utility model discloses a set up two sets of accredited testing organization, realize carrying out fatigue test to two sets of springs in step in every test period, greatly improved efficiency of software testing.
The utility model discloses setting element position on the fixed station is adjustable, applicable in the test of different specification springs.
The utility model discloses an actuating mechanism simple structure, convenient operation, operation and maintenance cost are low.
The utility model discloses a set up the protection casing on the fixed station, improved the security.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.
Drawings
Fig. 1 is a front view of the spring fatigue testing machine according to the embodiment of the present invention.
Fig. 2 is the utility model discloses top view behind the spring fatigue testing machine hiding protection casing.
In the figure: 1. a frame; 2. a motor mounting seat; 3. a drive motor; 4. a control cabinet; 5. a speed reduction mechanism; 6. a protective cover; 7. a fixed seat; 8. a second sliding seat; 9. a first link; 10. a connecting shaft; 11. a first fixed table; 12. a second stationary stage; 13. a first sliding seat; 14. a linear guide rail; 15. a second link; 16. a first spring; 17. a second spring; 18. a positioning column; 19. and (5) fixing the rod.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the spring fatigue testing machine of the present embodiment includes a first fixing table 11 and a second fixing table 12, the first fixing table 11 and the second fixing table 12 are arranged at an interval, a first sliding seat 13 and a second sliding seat 8 are arranged between the first fixing table 11 and the second fixing table 12, the first fixing table 11 and the first sliding seat 13 are respectively used for connecting two ends of a first spring 16 to be tested, and the second fixing table 12 and the second sliding seat 8 are respectively used for connecting two ends of a second spring 17 to be tested;
the device also comprises a driving mechanism, wherein the driving mechanism is used for driving the two sliding seats to do synchronous and same-direction reciprocating linear motion, so that the second spring 17 is reset when the first spring 16 is stretched, and the second spring 17 is stretched when the first spring 16 is reset.
According to the spring fatigue testing machine provided by the embodiment, the first fixing table 11 and the first sliding seat 13 form one group of testing mechanism, the second fixing table 12 and the second sliding seat 8 form the other group of testing mechanism, the two groups of testing mechanisms are driven by the driving mechanism to work synchronously, so that the fatigue testing on the two groups of springs can be realized simultaneously, and the testing efficiency is greatly improved.
In the above embodiment, as shown in fig. 1, the driving mechanism has a structure including the speed reducing mechanism 5, the first link 9, and the second link 15; the output end of the speed reducing mechanism 5 is provided with a connecting shaft 10 eccentrically arranged with the output shaft of the speed reducing mechanism, one end of a first connecting rod 9 is connected with the connecting shaft 10, the other end of the first connecting rod is connected with a first sliding seat 13, one end of a second connecting rod 15 is connected with the connecting shaft 10, and the other end of the second connecting rod is connected with a second sliding seat 8.
The driving mechanism also comprises a driving motor 3, and the output end of the driving motor is connected with the input end of the speed reducing mechanism 5 through a belt transmission mechanism.
In the above embodiment, the linear guide 14 is disposed between the first fixed table 11 and the second fixed table 12, and the first sliding seat 13 and the second sliding seat 8 are slidably connected to the linear guide 14.
Specifically, the fixed table, the linear guide rail and the driving mechanism are all arranged on the rack 1, and the driving motor 3 is installed on the motor installation base 2. The rack 1 is also provided with a control cabinet 4 for installing a control button, a display and the like of the driving mechanism.
Specifically, the first connecting rod 9 is hinged to the first sliding seat 13, the second sliding seat 8 is hinged to the second connecting rod 15, when the speed reducing mechanism 5 operates, the connecting shaft 10 circularly moves by taking an output shaft of the speed reducing mechanism 5 as an axis, and simultaneously drives the first connecting rod 9 and the second connecting rod 15 on the left side and the right side to move, the hinge point of the first connecting rod 9 and the first sliding seat 13 and the hinge point of the second connecting rod 15 and the second sliding seat 8 synchronously reciprocate linearly, and the extension direction of a straight line connected with the two hinge points is consistent with that of a spring to be tested, so that the first sliding seat 13 and the second sliding seat 8 are driven to synchronously reciprocate linearly along the linear guide rail 14 in the same direction, the second spring 17 resets when the first spring 16 is stretched, and the second spring 17 stretches when the first spring 16 resets.
In the above embodiment, each of the fixing stages is provided with the shield 6, and the shield 6 externally covers the first spring 16 and the second spring 17 to be tested. The spring is prevented from flying out of the side after being snapped in the test process, and the safety is improved.
In the above embodiment, the two fixing platforms and the sliding seat are respectively provided with the positioning parts for fixing the end parts of the springs, and the positions of the positioning parts on the fixing platforms can be adjusted to adjust the distance between the positioning parts on the corresponding sliding seats. So as to adapt to the test of spring pieces with different pretightening forces.
Specifically, as shown in fig. 2, the positioning parts on the two fixing tables adopt positioning columns 18, the positioning columns 18 are installed on the fixing bases 7 in the fixing tables, the fixing bases 7 are provided with multiple groups of installation positions (not shown in the figure) of the positioning columns 18 arranged at intervals, the positioning parts on the two sliding bases adopt fixing rods 19, during testing, one ends of springs to be tested are tied up on the positioning columns 18, and the other ends of the springs are fixed on the fixing rods 19, so that the springs are kept in the same direction as the sliding direction of the sliding bases.
During testing, the first spring 16 and the second spring 17 can respectively comprise a plurality of springs which are arranged in parallel.
Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The spring fatigue testing machine is characterized by comprising a first fixing table (11) and a second fixing table (12), wherein the first fixing table (11) and the second fixing table (12) are arranged at intervals, a first sliding seat (13) and a second sliding seat (8) are arranged between the first fixing table (11) and the second fixing table (12), the first fixing table (11) and the first sliding seat (13) are respectively used for connecting two ends of a first spring (16) to be tested, and the second fixing table (12) and the second sliding seat (8) are respectively used for connecting two ends of a second spring (17) to be tested;
the device also comprises a driving mechanism, wherein the driving mechanism is used for driving the two sliding seats to perform synchronous and same-direction reciprocating linear motion, so that the second spring (17) is reset when the first spring (16) is stretched, and the second spring (17) is stretched when the first spring (16) is reset.
2. The spring fatigue testing machine according to claim 1, wherein the driving mechanism is structured to include a speed reducing mechanism (5), a first link (9), and a second link (15);
the output end of the speed reducing mechanism (5) is provided with a connecting shaft (10) eccentrically arranged with an output shaft of the speed reducing mechanism, one end of the first connecting rod (9) is connected with the connecting shaft (10), the other end of the first connecting rod is connected with the first sliding seat (13), one end of the second connecting rod (15) is connected with the connecting shaft (10), and the other end of the second connecting rod is connected with the second sliding seat (8).
3. The spring fatigue testing machine according to claim 2, wherein the driving mechanism is structured to further include a driving motor (3) whose output is connected to the input end of the speed reducing mechanism (5) through a belt transmission mechanism.
4. The spring fatigue testing machine according to claim 1, wherein a linear guide rail (14) is provided between the first fixed table (11) and the second fixed table (12), and the first sliding seat (13) and the second sliding seat (8) are slidably connected with the linear guide rail (14).
5. The spring fatigue testing machine according to claim 1, wherein the two fixing tables and the sliding seat are respectively provided with a positioning member for fixing the end of the spring, and the position of the positioning member on the fixing table is adjustable to adjust the distance between the positioning member and the corresponding positioning member on the sliding seat.
6. The spring fatigue testing machine according to claim 1, characterized in that a protective cover (6) is provided on each fixing station, said protective cover (6) covering the first spring (16) and the second spring (17) to be tested from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221257454.3U CN217605263U (en) | 2022-05-24 | 2022-05-24 | Spring fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221257454.3U CN217605263U (en) | 2022-05-24 | 2022-05-24 | Spring fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217605263U true CN217605263U (en) | 2022-10-18 |
Family
ID=83568321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221257454.3U Active CN217605263U (en) | 2022-05-24 | 2022-05-24 | Spring fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217605263U (en) |
-
2022
- 2022-05-24 CN CN202221257454.3U patent/CN217605263U/en active Active
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