Spring fatigue testing machine

Abstract

The utility model relates to the technical field of spring fatigue testing machines, in particular to a spring fatigue testing machine, which plays a role in controlling a lower limiting device, a testing device and an upper limiting device through a control device, plays a role in bottom limiting through the lower limiting device, and plays a role in fatigue detection through the testing device. The top limiting effect is achieved through the upper limiting device; comprising a console; the device further comprises a control device, a lower limiting device, a testing device and an upper limiting device, the control device, the lower limiting device and the testing device are all installed on the operation table, and the upper limiting device is installed on the testing device. The control device plays a role in control, the lower limiting device plays a role in bottom limiting, the testing device plays a role in fatigue detection, and the upper limiting device plays a role in top limiting.

Description

Technical Field

[0001] The utility model relates to the technical field of spring fatigue testing machines, in particular to a spring fatigue testing machine. Background Technique

[0002] A spring fatigue testing machine can evaluate the fatigue performance of a spring during repeated compression or tension, ensuring that the spring has sufficient durability and reliability in actual use.

[0003] Existing spring fatigue testing machines, such as a spring fatigue testing machine disclosed in the utility model with the publication number CN218674197U and a spring fatigue testing machine disclosed in the utility model with the publication number CN209542081U, etc., can all realize fatigue testing of springs.

[0004] During the use process, it is found that when the spring to be detected in the existing spring fatigue testing machine is compressed, it is prone to phenomena such as skew or bending, which affects the acquisition of data of the spring to be detected by the spring fatigue testing machine, and further affects the accuracy of data measurement. Therefore, a spring fatigue testing machine is urgently needed. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a spring fatigue testing machine that controls the lower limit device, the testing device, and the upper limit device through a control device, plays a role in bottom limiting through the lower limit device, plays a role in fatigue detection through the testing device, and plays a role in top limiting through the upper limit device.

[0006] A spring fatigue testing machine of the utility model includes an operating table; it also includes a control device, a lower limit device, a testing device, and an upper limit device. The control device, the lower limit device, and the testing device are all installed on the operating table, and the upper limit device is installed on the testing device; the control device plays a control role, the lower limit device plays a bottom limiting role, the testing device plays a fatigue detection role, and the upper limit device plays a top limiting role; the control device controls the lower limit device, the testing device, and the upper limit device, the lower limit device plays a bottom limiting role, the testing device plays a fatigue detection role, and the upper limit device plays a top limiting role.

[0007] Preferably, the operating table includes a bottom plate, and multiple groups of mounting blocks are arranged at the bottom of the bottom plate, and a set of floor feet is arranged at the bottom of each group of mounting blocks; the bottom plate plays a supporting role, and the cooperation of the mounting blocks and the floor feet facilitates the adjustment of the height of the bottom plate.

[0008] Preferably, the control device includes a console which is installed at the top end of the bottom plate. A display screen, Button 1, Button 2 and Button 3 are arranged on the console. The fatigue test data can be conveniently viewed through the display screen, and Button 1, Button 2 and Button 3 play a control role.

[0009] Preferably, the lower limit device includes a limit ring 1, a cylinder mounting plate, Cylinder 1, a lower limit block and a spring. The limit ring 1 is installed at the top end of the bottom plate. The cylinder mounting plate is installed at the bottom end of the bottom plate. Cylinder 1 is installed at the side end of the cylinder mounting plate. A cylinder shaft 1 is arranged at the output end of Cylinder 1. The lower limit block is installed on the cylinder shaft 1. The spring is placed at the top end of the bottom plate. By starting Cylinder 1, the cylinder shaft 1 and the lower limit block are driven to move, thereby limiting the bottom of the spring.

[0010] Preferably, the test device includes a bracket, Cylinder 2, a test plate, a guide sleeve and a guide shaft. The bracket and the guide shaft are both installed at the top end of the bottom plate. Cylinder 2 is installed at the top end of the bracket. A cylinder shaft 2 is arranged at the output end of Cylinder 2. The test plate is installed on the cylinder shaft 2. The guide sleeve is installed on the test plate. The guide sleeve is sleeved on the guide shaft. By starting Cylinder 2, the test plate is driven to move, thereby performing a fatigue test on the spring. The directional movement is realized through the cooperation of the guide sleeve and the guide shaft.

[0011] Preferably, the upper limit device includes a cylinder mounting plate 2, Cylinder 3, an upper limit block and a limit ring 2. The cylinder mounting plate 2 is installed at the top end of the test plate. Cylinder 3 is installed at the side end of the cylinder mounting plate 2. A cylinder shaft 3 is arranged at the output end of Cylinder 3. The upper limit block is installed on the cylinder shaft 3. The limit ring 2 is installed at the bottom end of the test plate. By starting Cylinder 3, the cylinder shaft 3 is driven to move, thereby limiting the top of the spring.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The control device plays a control role on the lower limit device, the test device and the upper limit device. The lower limit device plays a role in bottom limit. The test device plays a role in fatigue detection. The upper limit device plays a role in top limit. Description of the Drawings

[0013] Figure 1 is the axonometric drawing of the structure of the present utility model;

[0014] Figure 2 is Figure 1 the structural schematic diagram of the operation table and the console in the present utility model;

[0015] Figure 3 is Figure 1 the structural schematic diagram of the operation table and the lower limit device in the present utility model;

[0016] Figure 4 Yes Figure 1 It is an enlarged structural schematic diagram of the test device structure in the present utility model;

[0017] Figure 5 Yes Figure 1 It is an enlarged structural schematic diagram of the test device and the upper limit device structure in the present utility model.

[0018] Reference numerals in the drawings: 01, operating platform; 11, bottom plate; 12, mounting block; 13, floor feet; 02, control device; 21, control console; 22, display screen; 23, button 1; 24, button 2; 25, button 3; 03, lower limit device; 31, limit ring 1; 32, cylinder mounting plate 1; 33, cylinder 1; 34, cylinder shaft 1; 35, lower limit block; 36, spring; 04, test device; 41, bracket; 42, cylinder 2; 43, cylinder shaft 2; 44, test plate; 45, guide sleeve; 46, guide shaft; 05, upper limit device; 51, cylinder mounting plate 2; 52, cylinder 3; 53, cylinder shaft 3; 54, upper limit block; 55, limit ring 2. Specific embodiments

[0019] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0020] Embodiment 1

[0021] A spring fatigue testing machine includes an operating platform 01; characterized in that it further includes a control device 02, a lower limit device 03, a test device 04 and an upper limit device 05. The control device 02, the lower limit device 03 and the test device 04 are all installed on the operating platform 01, and the upper limit device 05 is installed on the test device 04;

[0022] The control device 02 plays a control role, the lower limit device 03 plays a bottom limit role, the test device 04 plays a fatigue detection role, and the upper limit device 05 plays a top limit role;

[0023] The operating platform 01 includes a bottom plate 11, and a plurality of groups of mounting blocks 12 are provided at the bottom of the bottom plate 11, and a group of floor feet 13 are provided at the bottom of each group of mounting blocks 12;

[0024] The control device 02 includes a control console 21, the control console 21 is installed at the top end of the bottom plate 11, and a display screen 22, a button 1 23, a button 2 24 and a button 3 25 are provided on the control console 21;

[0025] The test device 04 includes a bracket 41, a second cylinder 42, a test plate 44, a guide sleeve 45, and a guide shaft 46. The bracket 41 and the guide shaft 46 are both installed at the top of the bottom plate 11. The second cylinder 42 is installed at the top of the bracket 41. A second cylinder shaft 43 is provided at the output end of the second cylinder 42. The test plate 44 is installed on the second cylinder shaft 43. The guide sleeve 45 is installed on the test plate 44, and the guide sleeve 45 is sleeved on the guide shaft 46;

[0026] The control device 02 functions to control, and the test device 04 functions to perform fatigue detection;

[0027] Place the spring 36 at the top of the bottom plate 11. Then, by starting the third cylinder 52, drive the third cylinder shaft 53 to move, thereby limiting the top of the spring 36, and then perform a fatigue test on the spring 36. Observe the test results through the display screen 22.

[0028] Embodiment 2

[0029] As Figures 1 to 5 shown, based on Embodiment 1, it further includes a lower limit device 03 and an upper limit device 05;

[0030] The lower limit device 03 includes a first limit ring 31, a cylinder mounting plate 32, a first cylinder 33, a lower limit block 35, and a spring 36. The first limit ring 31 is installed at the top of the bottom plate 11. The cylinder mounting plate 32 is installed at the bottom of the bottom plate 11. The first cylinder 33 is installed at the side of the cylinder mounting plate 32. A first cylinder shaft 34 is provided at the output end of the first cylinder 33. The lower limit block 35 is installed on the first cylinder shaft 34. The spring 36 is placed at the top of the bottom plate 11;

[0031] The upper limit device 05 includes a second cylinder mounting plate 51, a third cylinder 52, an upper limit block 54, and a second limit ring 55. The second cylinder mounting plate 51 is installed at the top of the test plate 44. The third cylinder 52 is installed at the side of the second cylinder mounting plate 51. A third cylinder shaft 53 is provided at the output end of the third cylinder 52. The upper limit block 54 is installed on the third cylinder shaft 53. The second limit ring 55 is installed at the bottom of the test plate 44;

[0032] The lower limit device 03 functions to provide bottom limit, and the upper limit device 05 functions to provide top limit;

[0033] By starting the first cylinder 33, drive the first cylinder shaft 34 and the lower limit block 35 to move, thereby limiting the bottom of the spring 36. By starting the third cylinder 52, drive the third cylinder shaft 53 to move, thereby limiting the top of the spring 36.

[0034] A spring fatigue testing machine of the present utility model, when working, first places the spring 36 on the top of the bottom plate 11, and then starts the first cylinder 33 to drive the first cylinder shaft 34 and the lower limit block 35 to move, thereby limiting the bottom of the spring 36. Then, starts the second cylinder 42 to drive the test plate 44 to move. After that, starts the third cylinder 52 to drive the third cylinder shaft 53 to move, thereby limiting the top of the spring 36, and then conducts fatigue testing on the spring 36. The test results can be observed through the display screen 22.

[0035] The first cylinder 33, the second cylinder 42 and the second cylinder mounting plate 51 of the present utility model are purchased on the market. Those skilled in the art only need to install and operate them according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0036] The main functions achieved by the present utility model are: realizing upper and lower limit of the spring to make the spring fatigue test more accurate.

[0037] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A spring fatigue testing machine, comprising an operating table (01); characterized in that: It also includes a control device (02), a lower limit device (03), a test device (04) and an upper limit device (05), wherein the control device (02), the lower limit device (03) and the test device (04) are all installed on the operating table (01), and the upper limit device (05) is installed on the test device (04); The control device (02) plays a control role, the lower limit device (03) plays a bottom limit role, the test device (04) plays a fatigue detection role, and the upper limit device (05) plays a top limit role.

2. A spring fatigue testing machine as claimed in claim 1, characterized in that: The operating table (01) comprises a base plate (11), a plurality of groups of mounting blocks (12) are arranged at the bottom of the base plate (11), and a group of footings (13) are arranged at the bottom of each group of mounting blocks (12).

3. A spring fatigue testing machine as claimed in claim 2, characterized in that: The control device (02) comprises a control console (21), which is mounted on the top of the base plate (11). The control console (21) is provided with a display screen (22), a button one (23), a button two (24) and a button three (25).

4. A spring fatigue testing machine as claimed in claim 2, characterized in that: The lower limit device (03) comprises a limit ring (31), a cylinder mounting plate (32), a cylinder (33), a lower limit block (35) and a spring (36); the limit ring (31) is mounted on the top end of the base plate (11); the cylinder mounting plate (32) is mounted on the bottom end of the base plate (11); the cylinder (33) is mounted on the side end of the cylinder mounting plate (32); a cylinder shaft (34) is provided at the output end of the cylinder (33); the lower limit block (35) is mounted on the cylinder shaft (34); and the spring (36) is placed on the top end of the base plate (11).

5. A spring fatigue testing machine as claimed in claim 2, characterized in that: The testing device (04) comprises a bracket (41), a second cylinder (42), a testing plate (44), a guide sleeve (45) and a guide shaft (46); the bracket (41) and the guide shaft (46) are both mounted on the top of the base plate (11); the second cylinder (42) is mounted on the top of the bracket (41); a second cylinder shaft (43) is arranged at the output end of the second cylinder (42); the testing plate (44) is mounted on the second cylinder shaft (43); the guide sleeve (45) is mounted on the testing plate (44); and the guide sleeve (45) is sleeved on the guide shaft (46).

6. A spring fatigue testing machine as claimed in claim 5, characterized in that: The upper limit device (05) comprises a second cylinder mounting plate (51), a third cylinder (52), an upper limit block (54) and a second limit ring (55), wherein the second cylinder mounting plate (51) is mounted on the top end of the test plate (44), the third cylinder (52) is mounted on the side end of the second cylinder mounting plate (51), the output end of the third cylinder (52) is provided with a third cylinder shaft (53), the upper limit block (54) is mounted on the third cylinder shaft (53), and the second limit ring (55) is mounted on the bottom end of the test plate (44).

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