Test support for multi-stage torsional shock absorber
By designing a multi-stage torsional damper test bracket that adapts to different specifications of internal support components and chucks, the problem of frequent test bracket replacement was solved, achieving efficient and accurate testing, reducing costs and complexity, and enhancing the stability of damper testing and simulating real stress effects.
Patent Information
- Application Number
- CN202520137667.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing multi-stage torsional dampers require frequent replacement of different test brackets during testing, which affects system reliability and increases testing complexity and cost.
A test bracket for a multi-stage torsional shock absorber was designed. It uses an internal support component and a chuck to provide uniform tension, adapt to different shock absorber center hole specifications, achieve all-round fixation, and reduce replacement frequency.
It improves the versatility and accuracy of testing, reduces the cost of testing equipment and manpower, enhances the stability and reliability of testing, and can realistically simulate the stress conditions of shock absorbers in actual use.
Smart Images
Figure CN223811995U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test support technical field, concretely relates to a kind of test support for multistage torsional damper. BACKGROUND
[0002] Multistage torsional damper is a kind of device for reducing and absorbing vibration energy, is usually installed between engine and transmission system, aims at preventing engine torque to reach peak value, ensures that power transmission system and coupling unit can smoothly run. This damper is usually composed of pairs of spiral springs, these springs are different in size, length, material thickness and coil quantity are different, thereby forming multistage design. The working principle of multistage torsional damper is by changing the inherent frequency and mode of system, so as to avoid the resonance caused by engine torque excitation, while effectively dissipating vibration energy.
[0003] The existing damper usually has many different specifications, which leads to the need to replace different dampers to replace corresponding test support when testing, and each time replacing component can affect the overall reliability of system. In order to verify the reliability and consistency of system, additional testing and verification are needed, which increases the complexity of overall testing, and replacing test support usually needs additional time and labor, which not only increases the total time of testing, but also may increase the related maintenance and operation cost, in view of the above problems, present a kind of test support for multistage torsional damper to solve. SUMMARY
[0004] To solve the above technical problems, provide a kind of test support for multistage torsional damper, solve the above-mentioned current existing damper usually has many different specifications, which leads to the need to replace different dampers to replace corresponding test support when testing, and each time replacing component can affect the overall reliability of system. In order to verify the reliability and consistency of system, additional testing and verification are needed, which increases the complexity of overall testing, and replacing test support usually needs additional time and labor, which not only increases the total time of testing, but also may increase the related maintenance and operation cost.
[0005] The utility model discloses a technical scheme for achieving the above object is: a kind of multistage torsional damper test support, including base, motor is fixedly installed in the base, the output of motor is fixedly connected with chuck, the rear side of base upper surface is fixedly connected with support column, the front side upper and lower ends of support column are all fixedly connected with fixed plate, threaded rod is rotatably connected in the middle part between the two fixed plates, the surface of threaded rod is threadedly connected with moving block, the front side of moving block is fixedly connected with fixed card, fixed card is fixedly connected with test motor in the inside, the output of test motor is fixedly connected with inner support component, the left side of moving block is fixedly connected with L-shaped plate, the upper surface of L-shaped plate is fixedly connected with torque instrument, and torque instrument is connected with test motor by wire.
[0006] Preferably, the inner support component includes a first protective cylinder fixedly connected to the bottom of the rotating shaft of the test motor, and the bottom of the first protective cylinder is fixedly connected with a fixed disc.
[0007] Preferably, the upper surface of the fixed disc is fixedly installed with an air cylinder inside the first protective cylinder, the bottom of the fixed disc is fixedly connected with a sliding sleeve, the output end of the air cylinder penetrates through the upper side of the fixed disc and is fixedly connected with a sliding block inside the sliding sleeve, and the sliding block is slidingly connected inside the sliding sleeve.
[0008] Preferably, the sliding block is fixedly connected with a first connecting lug on each of the four sides and outside the sliding sleeve, the first connecting lug is rotatably connected inside the first connecting lug, the bottom of the sliding sleeve is fixedly connected with a second connecting lug on each of the four sides, the second connecting lug is rotatably connected inside the second connecting lug, and the middle part of the first connecting lug is rotatably connected with the middle part of the second connecting lug through a hinge.
[0009] Preferably, the upper surface of the fixed disc is provided with a limiting groove on each of the four sides, and a clamping strip is slidingly connected inside each of the four limiting grooves, the inner side of the clamping strip is provided with a movable groove, and the bottom of the fixed disc is fixedly connected with a second protective cylinder outside the first connecting lug and the second connecting lug.
[0010] Preferably, the end of the first connecting lug away from the first connecting lug is rotatably connected with the lower end of the movable groove, and the end of the second connecting lug away from the second connecting lug is slidingly connected with the upper end of the movable groove through a connecting rod.
[0011] Preferably, the left and right sides of the threaded rod between the two fixed plates are fixedly connected with a guide rod, the guide rod is slidingly connected with the moving block, the upper surface of the fixed plate is fixedly installed with a lifting motor, and the output end of the lifting motor penetrates through the fixed plate and is fixedly connected with the upper end of the threaded rod.
[0012] Compared with the prior art, the utility model has the advantages that the utility model discloses an inner supporting assembly is arranged to adapt to different center hole specifications of shock absorbers, provide uniform bracing force, improve the versatility and accuracy of the test, and the inner supporting assembly is used in cooperation with the chuck, clamps the shock absorber on the outside and braces the shock absorber on the inside, realizing all-round fixing of the shock absorber, the double fixing mode enhances the stability of the shock absorber during the test process, reduces possible accidents during the test process, thereby improving the reliability of the test, different test supports do not need to be replaced when testing different shock absorbers, the design of the inner supporting assembly enables it to adapt to shock absorber center holes of different specifications and sizes, which means that the test support can be used for testing various shock absorbers without frequent replacement or adjustment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of the utility model;
[0014] Figure 2 It is a structural schematic view of the utility model from another perspective;
[0015] Figure 3 It is an inner supporting assembly in the utility model;
[0016] Figure 4 It is a structural schematic view of the inner supporting assembly in the utility model removing the first protection cylinder and the second protection cylinder;
[0017] Figure 5 It is Figure 4 It is a local enlarged schematic view of A in the middle.
[0018] Reference numerals in the drawing are:
[0019] 1, base; 2, chuck; 3, supporting column; 4, fixed plate; 5, guide rod; 6, threaded rod; 7, moving block; 8, lifting motor; 9, fixed clamp; 10, test motor; 11, L-shaped plate; 12, torque meter; 13, inner supporting assembly; 1301, first protection cylinder; 1302, fixed disc; 1303, limiting groove; 1304, clamping strip; 1305, second protection cylinder; 1306, sliding sleeve; 1307, sliding block; 1308, first connecting lug; 1309, first connecting rod; 1310, second connecting lug; 1311, second connecting rod; 1312, air cylinder; 1313, movable groove. DETAILED DESCRIPTION
[0020] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be conceived by those skilled in the art.
[0021] Referring to Figures 1-5 As shown in the figure, a kind of multistage torsion shock absorber test support, including base 1, motor is fixedly installed inside base 1, the output end of motor is fixedly connected with chuck 2, chuck 2 is similar to three-jaw chuck in machining, can flexibly adapt to different sizes and shapes of shock absorber, ensure that shock absorber is stable in the process of testing and does not sway, improve the accuracy of test result, the upper surface rear side of base 1 is fixedly connected with support column 3, the front side upper and lower ends of support column 3 are both fixedly connected with fixed plate 4, threaded rod 6 is rotatably connected with the middle part between the two fixed plates 4, the surface of threaded rod 6 is screw-connected with moving block 7, the accurate lifting control of inner support assembly 13 is realized by the cooperation of threaded rod 6 and moving block 7, this design is not only simple to operate, but also can accurately position inner support assembly 13 to the center hole of shock absorber, ensure the effectiveness of test, the front side of moving block 7 is fixedly connected with fixed card 9, test motor 10 is fixedly connected inside fixed card 9, the output end of test motor 10 is fixedly connected with inner support assembly 13, the left side of moving block 7 is fixedly connected with L-shaped plate 11, the upper surface of L-shaped plate 11 is fixedly connected with torque instrument 12, torque instrument 12 is connected with test motor 10 by wire, test motor 10 provides stable torque output, for simulating the stress condition of shock absorber in actual use. Torque instrument 12 can measure and record the torque change in test process in real time and accurately, provide reliable data for evaluating the torsional resistance of shock absorber.
[0022] Specifically, inner support assembly 13 includes first protection cylinder 1301, first protection cylinder 1301 is fixedly connected to the bottom of the rotating shaft of test motor 10, first protection cylinder 1301 bottom is fixedly connected with fixed disc 1302, first protection cylinder 1301 outside is provided with notch for pneumatic pipeline to pass through and connect with air cylinder 1312.
[0023] Specifically, the upper surface of fixed disc 1302 and the inside of first protection cylinder 1301 are fixedly installed with air cylinder 1312, the bottom of fixed disc 1302 is fixedly connected with sliding sleeve 1306, the output end of air cylinder 1312 penetrates the upper side of fixed disc 1302 and is fixedly connected with sliding block 1307 inside sliding sleeve 1306, sliding block 1307 is slidingly connected inside sliding sleeve 1306, air cylinder 1312 drives sliding block 1307 to slide in sliding sleeve 1306, realizes quick and stable tensioning action. This design improves test efficiency and ensures uniform distribution of tensioning force.
[0024] Specific, the four edges of the sliding block 1307 are fixedly connected with the outer side of the sliding sleeve 1306, the first connecting ears 1308 are rotatably connected in the first connecting ears 1308, the second connecting ears 1310 are fixedly connected with the bottom of the sliding sleeve 1306, the second connecting ears 1310 are rotatably connected in the second connecting ears 1310, the middle part of the first connecting rod 1309 is rotatably connected with the middle part of the second connecting rod 1311 through a hinge, and the first connecting rod 1309 and the second connecting rod 1311 are matched with each other, and the clamping strip 1304 is slid in the movable slot 1313, so that the center hole of the shock absorber is accurately clamped. This design can adapt to holes of different diameters, improve the universality and accuracy of the test.
[0025] Specific, the four edges of the fixed disc 1302 are provided with limiting grooves 1303, the four limiting grooves 1303 are slidably connected with the clamping strips 1304, the inner side of the clamping strip 1304 is provided with a movable slot 1313, and the bottom of the fixed disc 1302 is fixedly connected with the outer side of the first connecting rod 1309 and the second connecting rod 1311.
[0026] Specific, the first connecting rod 1309 is rotatably connected with the lower end of the movable slot 1313, and the second connecting rod 1311 is slidably connected with the upper end of the movable slot 1313 through a connecting rod.
[0027] Specific, the two fixed plates 4 are fixedly connected with the left and right sides of the threaded rod 6 through the guide rods 5, the two guide rods 5 are slidably connected with the moving block 7, the upper end fixed plate 4 is fixedly installed with the lifting motor 8, and the output end of the lifting motor 8 penetrates the fixed plate 4 and is fixedly connected with the upper end of the threaded rod 6.
[0028] Working principle: when testing, first, the shock absorber is placed in the middle of the chuck 2 and clamped, then the lifting motor 8 drives the threaded rod 6 to rotate, and through the threaded cooperation, the moving block 7 moves downward to drive the inner support assembly 13 into the center hole of the shock absorber, then the cylinder 1312 pushes the sliding block 1307 to slide in the sliding sleeve 1306, the sliding block 1307 drives the first connecting rod 1309 to move downward through the first connecting ear 1308, the first connecting rod 1309 and the second connecting rod 1311 are close to each other, thereby pushing the clamping strip 1304 to clamp the center hole of the shock absorber, then the output end of the test motor 10 rotates in the positive direction, the motor in the base 1 drives the chuck 2 to reverse, thereby testing the torsional resistance of the shock absorber, and the test result is displayed through the torque instrument 12.
[0029] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.
Claims
1. A test stand for a multi-stage torsion damper, characterized in that: The utility model relates to a test device for chuck, including base (1), motor is fixedly installed inside the base (1), the output of motor is fixedly connected with chuck (2), the upper surface rear side of base (1) is fixedly connected with support column (3), the upper surface of support column (3) is fixedly connected with fixed plate (4) on the front side upper and lower both ends, the middle part rotation is connected with threaded rod (6) between two fixed plate (4), the surface of threaded rod (6) is threadedly connected with moving block (7), the front side of moving block (7) is fixedly connected with fixed card (9), the inside of fixed card (9) is fixedly connected with test motor (10), the output of test motor (10) is fixedly connected with inner support subassembly (13), the left side of moving block (7) is fixedly connected with L shaped plate (11), the upper surface of L shaped plate (11) is fixedly connected with torque instrument (12), torque instrument (12) is connected with test motor (10) through wire.
2. A test stand for a multi-stage torsion damper according to claim 1, characterized in that The inner support subassembly (13) includes a first protection cylinder (1301), the first protection cylinder (1301) is fixedly connected to the bottom of the shaft of the test motor (10), and the first protection cylinder (1301) is fixedly connected with a fixed disc (1302) at the bottom.
3. A test stand for a multi-stage torsion damper according to claim 2, characterized in that The upper surface of the fixed disc (1302) and the inside of the first protection cylinder (1301) are fixedly installed with an air cylinder (1312), the bottom of the fixed disc (1302) is fixedly connected with a sliding sleeve (1306), the output end of the air cylinder (1312) penetrates the upper side of the fixed disc (1302) and is fixedly connected with a sliding block (1307) in the inside of the sliding sleeve (1306), and the sliding block (1307) is slidingly connected in the inside of the sliding sleeve (1306).
4. The test stand for a multi-stage torsion damper according to claim 3, characterized in that The four edges of the sliding block (1307) and the outside of the sliding sleeve (1306) are fixedly connected with first connecting ears (1308), the first connecting ears (1308) are rotatably connected with first connecting rods (1309) in the inside, the bottom of the sliding sleeve (1306) is fixedly connected with second connecting ears (1310) on the four edges, the second connecting ears (1310) are rotatably connected with second connecting rods (1311) in the inside, and the middle part of the first connecting rod (1309) is rotatably connected with the middle part of the second connecting rod (1311) through a hinge.
5. The test stand for a multi-stage torsion damper according to claim 3, characterized in that The upper surface of the fixed disc (1302) is provided with four limiting grooves (1303), and the four limiting grooves (1303) are slidingly connected with clamping strips (1304) in the inside.
6. A test stand for a multi-stage torsion damper according to claim 5, characterized in that The end of the first connecting rod (1309) away from the first connecting ear (1308) is rotatably connected with the lower end of the movable groove (1313), and the end of the second connecting rod (1311) away from the second connecting ear (1310) is slidingly connected with the upper end of the movable groove (1313) through a connecting rod.
7. The test stand for a multi-stage torsion damper according to claim 1, characterized in that Between the two said fixed plate (4) and the left and right sides of the threaded rod (6) are fixedly connected with guide rod (5), two said guide rod (5) are all with the moving block (7) sliding connection, the upper end said fixed plate (4) upper surface is all fixedly installed with lifting motor (8), the output of the lifting motor (8) penetrates fixed plate (4) and is fixedly connected with the upper end of threaded rod (6).