A viscous damper testing device

By designing a viscous damper testing device that links electric slide rails and cylinder motors, the problem of existing devices being unable to simulate multi-angle composite loads was solved, enabling rapid installation and accurate testing of dampers, and improving testing efficiency and data accuracy.

CN120369306BActive Publication Date: 2025-10-24SHANDONG YUANFANG CONSTR CO LTD
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Patent Information

Application Number
CN202510863898.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2025-10-24
Estimated Expiration
2045-06-26

AI Technical Summary

Technical Problem

Existing viscous damper testing devices are difficult to simulate multi-angle composite load conditions caused by the diversity of building structures in actual engineering projects. Furthermore, traditional installation methods are cumbersome and prone to positioning deviations, resulting in inaccurate test data.

Method used

A viscous damper testing device was designed, comprising adjustment components, installation components, and stabilization components. The device utilizes an electric slide rail and a cylinder motor linkage to achieve rapid installation and disassembly of the damper. By using multi-point rigid limiting and a dual-axis electric telescopic rod to drive the insert block to precisely lock the slider, the stability of the damper under multi-dimensional stress conditions is ensured.

Benefits of technology

It enables accurate testing of dampers under complex working conditions at multiple angles, improves test adaptability and versatility, reduces preparation time, and ensures the reliability and security of test data.

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Abstract

The present application belongs to the technical field of viscous damper testing, and specifically discloses a viscous damper testing device, which comprises a bottom plate, a support plate connected to one side of the upper end of the bottom plate, sliding rods evenly connected to one side of the support plate, four groups of the sliding rods, a connecting plate connected to the side of the upper end of the bottom plate away from the upper end of the support plate, and a hydraulic cylinder connected to the middle of one side of the connecting plate. The present application realizes multi-angle accurate testing, quick clamping and stable operation of the viscous damper through the cooperative design of the adjusting assembly, the mounting assembly and the stabilizing assembly, and effectively solves the problems of single testing dimension, low installation efficiency and inaccurate data of the traditional device.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of viscous damper testing, and particularly relates to a viscous damper testing device. BACKGROUND

[0002] In the field of modern buildings, bridges and other engineering fields and mechanical equipment manufacturing, viscous dampers become key components for resisting dynamic loads such as earthquakes and strong winds due to their excellent shock absorption and energy dissipation characteristics. The precise testing of their performance is directly related to the safety and reliability of the structure, and is a core link to ensure engineering quality and service life. With the increasing complexity of building structures (such as large-span space structures and super-high-rise braced systems) and the diversification of mechanical equipment operating conditions, there is an increasing demand for performance testing of viscous dampers under multi-angle and multi-dimensional stress states.

[0003] Existing viscous damper testing devices are mostly designed for horizontal unidirectional loading, which is difficult to simulate the multi-angle composite load conditions caused by the diversity of building structures in actual engineering, and cannot fully reflect the real performance of the damper. Moreover, the traditional installation method relies on manual fastening or welding, which is not only tedious and time-consuming, but also seriously affects the testing efficiency. In addition, it is prone to positioning deviation, which leads to inaccurate test data and makes it difficult to meet the modern testing requirements of efficiency and accuracy. SUMMARY

[0004] The purpose of the present application is to solve the problems existing in the prior art and provide a viscous damper testing device.

[0005] To achieve the above purpose, the present application provides a viscous damper testing device, which comprises a bottom plate, a support plate connected to one side of the upper end of the bottom plate, a plurality of slide rods uniformly connected to one side of the support plate, the number of slide rods being four groups, a connecting plate connected to the side of the upper end of the bottom plate away from the upper end of the support plate, a hydraulic cylinder connected to the middle of one side of the connecting plate, the hydraulic cylinder extending through one end to the side of the connecting plate, a sliding plate connected to one end of the hydraulic cylinder, and an adjusting assembly connected to one side of the support plate and the sliding plate.

[0006] In the above technical solution, further, the sliding plate slides along the outer walls of the plurality of slide rods, the sliding plate is provided with an opening corresponding to each of the plurality of slide rods, the plurality of slide rods are located inside the openings, a connecting slide rail is connected to one side of the upper end of the bottom plate, and the lower end of the sliding plate slides above the connecting slide rail.

[0007] Further, the adjusting assembly comprises mounting blocks, the mounting blocks are two groups, one side of the two mounting blocks is connected with an arc-shaped plate, the arc-shaped plate is connected with an electric sliding rail at the middle of one side, the electric sliding rail is in a half-arc structure, a sliding block is slidably connected to one side of the outer wall of the electric sliding rail, an installation assembly is connected to one side of the sliding block, a damper body is connected between the two installation assemblies, a stabilizing assembly is circumferentially connected to the outer wall of the two arc-shaped plates, and the stabilizing assemblies are distributed on the upper end, the lower end and one side of the outer wall of the arc-shaped plate.

[0008] Further, the installation assembly comprises a mounting seat, one end of the mounting seat is connected to one side of the sliding block, a fixing cylinder is connected to the middle of one side of the mounting seat, a gas cylinder is connected to the middle of one side of the fixing cylinder, the gas cylinder extends through the inside of the fixing cylinder, an electric motor is connected to one end of the gas cylinder, a latch is connected to the output end of the electric motor, one end of the latch extends through the inside of the mounting seat, and clamping grooves are formed in the two sides of the sliding block.

[0009] Further, the mounting seat is connected with a connecting cylinder away from the fixing cylinder, a clamping cylinder is connected to the middle of one side of the inner wall of the connecting cylinder, a connecting groove is formed in one side of the clamping cylinder, a clamping block is connected to the middle of one side of the latch, a stop block is connected to the two sides of the clamping block, and the clamping block and the two stop blocks are inserted into the inside of the clamping cylinder.

[0010] Further, the stabilizing assembly comprises a frame, one side of the frame is connected to the outer wall of the arc-shaped plate, mounting plates are uniformly connected to one side of the inner wall of the arc-shaped plate corresponding to the frame, the mounting plates are two groups, a double-shaft electric telescopic rod is connected to one side of the inner wall of the frame, and moving blocks are connected to the two ends of the double-shaft electric telescopic rod.

[0011] Further, one end of the two moving blocks extends through one side of the frame, a sliding groove is formed in one side of the frame corresponding to the two moving blocks, and the two moving blocks are slidably arranged in the two sliding grooves.

[0012] Further, the two moving blocks are arranged on the two sides of the arc-shaped plate, stabilizing rods are connected to one side of the inner wall of the frame, the two moving blocks are slidably arranged on the outer walls of the stabilizing rods, latches are connected to one side of the two moving blocks, one end of the two latches extends through one side of the two mounting plates, and one end of the two latches is clamped into the two clamping grooves.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] The adjusting assembly can realize free adjustment of the damper to any angle through symmetrical layout and electric sliding rail design, can easily simulate multi-dimensional stress state under complex working conditions such as earthquakes and wind vibration, meet diversified testing requirements, the device can quickly adapt to dampers of different specifications, and greatly improve the adaptability and universality of the testing scene.

[0015] The mounting assembly adopts an automatic clamping structure, realizes quick mounting and dismounting of the damper through linkage of the cylinder and the motor, significantly reduces the test preparation time, the clamping design ensures stable connection of the damper during testing, avoids affecting the test results due to loosening, and improves the test safety and data reliability.

[0016] The stabilizing assembly is distributed circumferentially along the arc-shaped plate, forms rigid limiting of multiple points and multiple directions, the double-shaft electric telescopic rod drives the insertion block to accurately lock the sliding block, effectively prevents displacement deviation of the damper due to stress during testing. The redundant stabilizing rod and sliding groove design can still ensure stable testing even if part of the components fail, and ensure the accuracy and effectiveness of the test data. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The overall structure schematic diagram of the present application is shown in the figure;

[0018] Figure 2 The sectional view of the present application is shown in the figure;

[0019] Figure 3 The mounting structure schematic diagram of the arc-shaped plate of the present application is shown in the figure;

[0020] Figure 4 The mounting structure schematic diagram of the sliding block of the present application is shown in the figure;

[0021] Figure 5 The mounting structure schematic diagram of the frame of the present application is shown in the figure;

[0022] Figure 6 The mounting structure schematic diagram of the double-shaft electric telescopic rod of the present application is shown in the figure;

[0023] Figure 7 The opening structure schematic diagram of the clamping groove of the present application is shown in the figure;

[0024] Figure 8 The mounting structure schematic diagram of the stop block of the present application is shown in the figure.

[0025] In the figure: 1, the base plate; 2, the support plate; 3, the slide bar; 4, the connecting plate; 5, the hydraulic cylinder; 6, the slide plate; 7, the connecting slide rail; 8, the mounting block; 9, the arc plate; 10, the electric slide rail; 11, the sliding block; 12, the mounting seat; 13, the fixed cylinder; 14, the air cylinder; 15, the motor; 16, the bolt; 17, the connecting cylinder; 18, the clamping cylinder; 19, the clamping block; 20, the stop block; 21, the frame; 22, the mounting plate; 23, the double-shaft electric telescopic rod; 24, the moving block; 25, the stabilizing rod; 26, the plug block; 27, the sliding groove; 28, the clamping groove; 29, the damper body. DETAILED DESCRIPTION

[0026] In order to enable the above-mentioned objects, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and specific embodiments.

[0027] As Figures 1-8 shown in a kind of viscous damper test device, including base plate 1, the upper end of base plate 1 one side is connected with support plate 2, it is convenient to connect one arc plate 9 with electric slide rail 10, support plate 2 one side is evenly connected with slide bar 3, the number of slide bar 3 is four groups, the upper end of base plate 1 is connected with connecting plate 4 away from the upper end of support plate 2 one side, it can be fixed to hydraulic cylinder 5, connecting plate 4 one side middle part is connected with hydraulic cylinder 5, one end of hydraulic cylinder 5 extends to the one side of connecting plate 4, one end of hydraulic cylinder 5 is connected with slide plate 6, it can be connected to another arc plate 9 with electric slide rail 10, slide plate 6 and support plate 2 one side are connected with adjusting assembly, slide plate 6 respectively along the outer wall of multiple slide bars 3 sliding, slide plate 6 is respectively opened at multiple slide bars 3 and is located in multiple openings, multiple slide bars 3 are respectively located in multiple openings, connecting slide rail 7 is connected with the upper end of base plate 1 one side, improve the stability of slide plate 6 when moving, the lower end of slide plate 6 is located above connecting slide rail 7 and slides;

[0028] Four groups of slide bars 3 are evenly distributed, form stable guide structure, provide accurate guide for the movement of slide plate 6, reduce the shaking and deviation in the moving process, the cooperation design of connecting slide rail 7 and the lower end of slide plate 6 further enhances the stability of slide plate 6 when moving, so that it can move smoothly and accurately under the drive of hydraulic cylinder 5, ensure the reliability of test process, adjusting assembly can adjust the angular position of sliding block 11.

[0029] The adjusting assembly comprises mounting blocks 8, two groups of adjusting assemblies are arranged, one side of two mounting blocks 8 is connected with one side of the sliding plate 6, and one side of the other two mounting blocks 8 is connected with one side of the supporting plate 2, so that the arc-shaped plate 9 can be fixed to one side of the sliding plate 6 and one side of the supporting plate 2, the number of the mounting blocks 8 is two groups, one side of two mounting blocks 8 is connected with the arc-shaped plate 9, one side of the arc-shaped plate 9 is connected with an electric sliding rail 10 in the middle, the electric sliding rail 10 is arranged in a semicircular structure, one side of the outer wall of the electric sliding rail 10 is slidably connected with a sliding block 11, one side of the sliding block 11 is connected with a mounting assembly, a damper body 29 is arranged between two mounting assemblies, and a plurality of stabilizing assemblies are circumferentially connected to the outer wall of the arc-shaped plate 9 and are arranged on the upper end, the lower end and one side of the outer wall of the arc-shaped plate 9;

[0030] The two groups of adjusting assemblies are symmetrically arranged, so that the symmetry and stability of the arc-shaped plate 9 are ensured, the semicircular design of the arc-shaped plate 9 is matched with the electric sliding rail 10, so that a stable arc-shaped movement track of the sliding block 11 is provided, the electric sliding rail 10 can ensure that the sliding block 11 can smoothly and accurately slide on the outer wall of the electric sliding rail 10, so that the angle and position of the damper body 29 can be accurately adjusted, the stabilizing assemblies are uniformly distributed on the outer wall of the arc-shaped plate 9, so that the sliding block 11 can be limited and supported from multiple directions, the stability of the entire test device during operation is effectively improved, and the accuracy of the test result is ensured.

[0031] The mounting assembly comprises a mounting seat 12, the damper body 29 is inserted into the inner wall of two mounting seats 12, one end of the mounting seat 12 is connected with one side of the sliding block 11, a fixing cylinder 13 is connected to one side of the mounting seat 12 in the middle, a gas cylinder 14 is connected to one side of the fixing cylinder 13 in the middle, the gas cylinder 14 can drive a motor 15 and a bolt 16 to move into the mounting seat 12, one end of the gas cylinder 14 extends into the inside of the fixing cylinder 13, one end of the motor 15 is connected with the bolt 16, the motor 15 can drive the bolt 16 to rotate by 90 degrees, the output end of the motor 15 is connected with the bolt 16, one end of the bolt 16 extends into the inside of the mounting seat 12, a clamping groove 28 is arranged on both sides of the sliding block 11, a connecting cylinder 17 is connected to one side of the mounting seat 12 away from the fixing cylinder 13, the connecting cylinder 17 can be connected to one end of the bolt 16, a clamping cylinder 18 is connected to one side of the inner wall of the connecting cylinder 17 in the middle, a connecting groove is arranged on one side of the clamping cylinder 18, the bolt 16 is inserted into the inside of the connecting cylinder 17, the clamping block 19 and the two blocking blocks 20 are inserted into the inside of the clamping cylinder 18 through the connecting groove, then the bolt 16, the clamping block 19 and the two blocking blocks 20 are driven by the motor 15 to rotate by 90 degrees, one side of the bolt 16 is connected with the clamping block 19, the clamping block 19 is connected with the two blocking blocks 20 on both sides, after rotating by 90 degrees, the two blocking blocks 20 are clamped into the inside of the clamping cylinder 18, and one end of the clamping block 19 and one end of the two blocking blocks 20 are inserted into the inside of the clamping cylinder 18;

[0032] The mounting seat 12 can ensure that the damper body 29 can be accurately and stably inserted, the fixing cylinder 13 and the connecting cylinder 17 provide stable installation and movement space for the air cylinder 14 and the latch 16, the air cylinder 14 can quickly and accurately push the motor 15 and the latch 16 to move, and the cooperation of the motor 15 and the latch 16 can ensure that the latch 16 can accurately rotate by 90 degrees, so that the clamping block 19 and the blocking block 20 can be reliably clamped with the clamping cylinder 18, thereby firmly fixing the damper body 29 on the mounting seat 12, ensuring that the damper body 29 will not loosen or displace during the test, and ensuring the safety and accuracy of the test.

[0033] The stable assembly comprises a frame 21, which is arranged in an arc-shaped structure corresponding to the shape of one side of the arc-shaped plate 9, is connected with the outer wall of one side of the arc-shaped plate 9, and is uniformly connected with mounting plates 22 at the side of the inner wall of the frame 21 corresponding to one side of the arc-shaped plate 9. The mounting plates 22 can guide the movement of the insertion blocks 26. The number of the mounting plates 22 is two groups. A double-shaft electric telescopic rod 23 is connected with one side of the inner wall of the frame 21, drives two moving blocks 24 to move inside the frame 21, and is connected with the moving blocks 24 at both ends. One end of each of the two moving blocks 24 extends to one side of the frame 21. A sliding groove 27 is formed in the frame 21 at a position corresponding to each of the two moving blocks 24 on one side of the frame 21 to ensure the stability of the moving blocks 24 during movement. The two moving blocks 24 slide in the two sliding grooves 27 respectively. The two moving blocks 24 are located on both sides of the arc-shaped plate 9. Stable rods 25 are connected with the inner wall of the frame 21 on one side. The two moving blocks 24 slide on the outer walls of the stable rods 25 respectively. The insertion blocks 26 are connected with one side of each of the two moving blocks 24. When the sliding block 11 moves to a position corresponding to the frame 21, the double-shaft electric telescopic rod 23 drives the two moving blocks 24 to move, thereby pushing the two insertion blocks 26 to be inserted into the two clamping grooves 28, limiting the position of the sliding block 11, ensuring the stability of the sliding block 11 during the test, and extending one end of each of the two insertion blocks 26 to one side of each of the two mounting plates 22. One end of each of the two insertion blocks 26 is clamped into each of the two clamping grooves 28.

[0034] The arc-shaped structure of the frame 21 perfectly matches the arc-shaped plate 9. The mounting plates 22 provide accurate guidance for the movement of the insertion blocks 26, ensuring that the insertion blocks 26 can be accurately inserted into the clamping grooves 28 of the sliding block 11. The double-shaft electric telescopic rod 23 has high-precision displacement control capability, can quickly and stably drive the two moving blocks 24 to move inside the frame 21, and provides double-stable protection for the movement of the moving blocks 24, reducing shaking and friction during movement. When the sliding block 11 reaches the predetermined position, the double-shaft electric telescopic rod 23 quickly pushes the insertion blocks 26 to be inserted into the clamping grooves 28, achieving quick and reliable limiting of the sliding block 11, effectively preventing the sliding block 11 from being displaced due to stress during the test, and ensuring the stability of the entire test process and the reliability of the test results.

[0035] Working principle: before the test, first of all, the damper body 29 both ends are inserted into the mounting seat 12 inner wall, start the installation assembly in the cylinder 14, push motor 15 and plug 16 to the inside of mounting seat 12 moves, make the plug 16 one end inserted into the card tube 18 in connecting barrel 17, then motor 15 drive plug 16, block 19 and block 20 rotation, make block 20 and card tube 18 inner wall clamping, complete the installation of damper body 29 both ends, then, electric slide rail 10 drive sliding block 11 along the semicircular trajectory sliding, to adjust the angle and position of damper body 29, when sliding block 11 reaches the predetermined position, stable assembly starts to work, double shaft electric telescopic rod 23 push moving block 24 along the stabilizer bar 25 sliding, make the plug 26 inserted into the clamping groove 28 on both sides of sliding block 11, so as to realize the accurate positioning and support of sliding block 11 position;

[0036] Hydraulic cylinder 5 starts, push the sliding plate 6 along the slide rod 3 and connecting slide rail 7 horizontal reciprocating motion, slide rod 3 and connecting slide rail 7 limit the movement trajectory of sliding plate 6 together, ensure the loading direction is accurate, at the same time, electric slide rail 10 drive sliding block 11 along the arc path sliding;

[0037] In the whole test process, when the sliding block 11 moves to the corresponding stable assembly, the stable assembly continues to play a role, through the cooperation of plug 26 and clamping groove 28, the position of sliding block 11 is locked in real time, to prevent the displacement deviation of sliding block 11 caused by damping force change, the arc design of frame 21 and the guiding function of mounting plate 22 ensure that the plug 26 can be accurately inserted, to ensure the stability of damper body 29 during the test

[0038] So that the damper body 29 can be tested at multiple angles, through the coordinated control of hydraulic cylinder 5 and connecting slide rail 7 action, the actual stress state of damper body 29 under various complex working conditions such as earthquake and wind vibration can be simulated, and then the test is carried out.

[0039] The above shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to 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.

Claims

1. A viscous damper testing device comprising a base plate (1), characterized in that, The bottom plate (1) upper end one side is connected with support plate (2), support plate (2) one side is connected with slide rod (3) evenly, the number of slide rod (3) is four groups, the bottom plate (1) upper end is connected with connecting plate (4) away from support plate (2) upper end one side, connecting plate (4) one side middle part is connected with hydraulic cylinder (5), one end of hydraulic cylinder (5) extends to one side of connecting plate (4), one end of hydraulic cylinder (5) is connected with slide plate (6), the slide plate (6) is connected with adjustment assembly on one side of support plate (2), the adjustment assembly includes mounting block (8), the number of mounting block (8) is two groups, one side of two mounting blocks (8) is connected with arc plate (9), one side middle part of arc plate (9) is connected with electric slide rail (10), the shape of electric slide rail (10) is half arc type structure, the outer wall one side of electric slide rail (10) is connected with slide block (11), the slide block (11) one side is connected with mounting assembly, the damper body (29) is connected between two mounting assemblies, two arc plates (9) outer wall are connected with stabilizing assembly circumferentially, a plurality of stabilizing assemblies are distributed on the outer wall upper end, lower end and one side of arc plate (9) respectively, the mounting assembly includes mounting seat (12), one end of mounting seat (12) is connected with one side of slide block (11), one side middle part of mounting seat (12) is connected with fixed cylinder (13), one side middle part of fixed cylinder (13) is connected with air cylinder (14), one end of air cylinder (14) extends to the inside of fixed cylinder (13), one end of air cylinder (14) is connected with motor (15), the output end of motor (15) is connected with bolt (16), one end of bolt (16) extends to the inside of mounting seat (12), the clamping groove (28) is formed in the both sides of slide block (11), the connecting cylinder (17) is connected with one side of mounting seat (12) away from fixed cylinder (13), the inner wall one side middle part of connecting cylinder (17) is connected with clamping cylinder (18), the connecting groove is formed in one side of clamping cylinder (18), one side middle part of bolt (16) is connected with clamping block (19), the clamping block (19) both sides are connected with stop block (20), one end of clamping block (19) and the both ends of two stop blocks (20) are inserted into the inside of clamping cylinder (18).

2. A viscous damper testing device according to claim 1, wherein, The slide plate (6) is slid along the outer wall of the plurality of slide rods (3), the slide plate (6) is provided with an opening corresponding to each of the plurality of slide rods (3), and the plurality of slide rods (3) are located in the plurality of openings.

3. The viscous damper testing device of claim 1, wherein, The stabilizing assembly includes a frame (21), the frame (21) is connected to the outer wall of the arc plate (9), the inner wall of the arc plate (9) is connected to the mounting plate (22) corresponding to one side of the frame (21), the number of the mounting plate (22) is two groups, the inner wall of the frame (21) is connected to the double-shaft electric telescopic rod (23), and the both ends of the double-shaft electric telescopic rod (23) are connected to the moving block (24).

4. A viscous damper testing device according to claim 3, wherein, Two mobile blocks (24) extend through one side of the frame (21), and the frame (21) is provided with a sliding groove (27) corresponding to each mobile block (24), and the two mobile blocks (24) are located in the two sliding grooves (27) respectively.

5. A viscous damper testing device according to claim 3, wherein, Two mobile blocks (24) are located on both sides of the arc-shaped plate (9), and the inner wall of the frame (21) is connected with a stabilizing rod (25), and the two mobile blocks (24) are located on the outer wall of the stabilizing rod (25), and the two mobile blocks (24) are connected with an insertion block (26), and the two insertion blocks (26) extend through one side of the two mounting plates (22), and the two insertion blocks (26) are connected with the two clamping grooves (28).

Citation Information

Patent Citations

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    CN117902443A

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