Dynamic compression-shear test device for high-damping shock insulation rubber support

Abstract

The utility model relates to the field of compression-shear tests, and discloses a dynamic compression-shear test device for a high-damping shock-insulation rubber support, which comprises a compression-shear test rack and a test bench, and realizes accurate positioning and limiting of the high-damping shock-insulation rubber support in the test process through a bidirectional synchronous limiting assembly. Threaded structures in opposite directions are arranged on the left side and the right side of the double-thread lead screw, so that the two synchronous threaded blocks can move in the opposite directions at the same time, the support clamping plate is driven to achieve two-way synchronous limiting, it is ensured that the support is always kept at the stable position in the compression-shear test through the design, and the transmission mode is convenient to operate and high in reliability. And the position of the support clamping plate can be accurately controlled to adapt to high-damping shock insulation rubber supports with different sizes and shapes, and meanwhile, the operation efficiency of the test device is further improved and the test preparation time is shortened due to the efficient adjustment capability of the bidirectional synchronous limiting assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of compression and shear test, especially to a high damping shock insulation rubber support dynamic compression and shear test device. BACKGROUND

[0002] The high damping shock insulation rubber support dynamic compression and shear test device is a special equipment for testing the mechanical properties of high damping shock insulation rubber supports, which is mainly used for simulating the stress condition of the support in actual use to evaluate the shock insulation performance of the support under dynamic load such as earthquake.

[0003] According to Chinese patent publication No. CN217878717U, a high damping shock insulation rubber support dynamic compression and shear test device is disclosed, which comprises a bottom plate, a stabilizing seat, a clamping plate, and a screw rod. The bottom plate has a compression and shear testing machine body installed on one side of its upper surface. A sliding groove is formed on the upper surface of the bottom plate on one side of the compression and shear testing machine body. A fixed block is welded to the top of the stabilizing seat. A first bearing is embedded in the fixed block. An adjustable rod is rotatably installed on the first bearing. A connecting plate is welded to one end of the adjustable rod opposite the compression and shear testing machine body. Support plates are welded to the upper and lower ends of the connecting plate on the side opposite the adjustable rod. Two screw holes are formed in each of the two support plates. Two screw rods are engaged with the two screw holes. Two clamping plates have second bearings installed on one end of each clamping plate. The utility model has the advantages of convenient workpiece clamping, manual adjustment of workpiece angle for testing, simple structure, and low use cost. However, the device still has some shortcomings. The test device lacks precise bidirectional limiting function when performing compression and shear tests on high damping shock insulation rubber supports. The support may be displaced or tilted during the test, resulting in increased test error and affecting the accuracy and reliability of the test results. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides a high damping shock insulation rubber support dynamic compression and shear test device, which solves the problem of displacement or tilting of the support during the test.

[0005] To achieve the above-mentioned purposes, the utility model realizes the following technical scheme: a high damping shock insulation rubber support dynamic compression and shear test device, comprising a compression and shear test frame and a test table. The test table is arranged on the front side of the lower end of the compression and shear test frame. A bidirectional synchronous limiting assembly is arranged on the outer side of the test table. The bidirectional synchronous limiting assembly comprises a connecting arm, a double-threaded screw rod, a synchronous threaded block, a connecting sliding rail, a limiting ring, and a support clamping plate. The connecting arm is fixedly connected to the test table. The double-threaded screw rod is rotatably arranged on the connecting arm. The synchronous threaded block is threadedly connected to the double-threaded screw rod. The connecting sliding rail is arranged on the test table. The limiting ring is arranged on the connecting sliding rail. The limiting ring is arranged on the outer side of the connecting arm.

[0006] Preferably, further comprising:

[0007] A cylinder connected with the compression-shear test frame;

[0008] A telescopic rod connected with the cylinder;

[0009] A compression-shear table connected with the telescopic rod;

[0010] A pressure sensor arranged on the compression-shear table;

[0011] A positioning block arranged on the front side of the compression-shear test frame;

[0012] The cylinder is fixed on the top of the compression-shear test frame, one end of the telescopic rod is connected with the piston rod of the cylinder, and the other end of the telescopic rod is fixedly connected with the compression-shear table.

[0013] Preferably, the pressure sensor is arranged on the bottom of the compression-shear table and is used for detecting the pressure of the compression-shear table on the high-damping shock insulation rubber support.

[0014] Preferably, the limiting ring is in driving connection with the double-threaded screw rod.

[0015] Preferably, the positioning block is arranged on the middle part of the front side of the compression-shear test frame, and the compression-shear table is in sliding connection with the positioning block.

[0016] Preferably, the left and right sides of the double-threaded screw rod are provided with opposite screw structures.

[0017] Beneficial effects

[0018] The utility model provides a kind of high-damping shock insulation rubber support dynamic compression-shear test device.Compared with prior art, the following beneficial effects are achieved:

[0019] 1、in the utility model, the bidirectional synchronous limiting component is arranged, the accurate positioning and limiting of high-damping shock insulation rubber support in test process are realized, the opposite screw structures are arranged on the left and right sides of the double-threaded screw rod, so that two synchronous screw blocks can be moved to opposite direction simultaneously, to drive support clamping plate to realize bidirectional synchronous limiting, this design ensures that support keeps stable position in compression-shear test, avoids test error caused by support displacement, significantly improves the accuracy and reliability of test result, this transmission mode is not only convenient to operate, but also can accurately control the position of support clamping plate, adapt to high-damping shock insulation rubber support of different sizes and shapes.Simultaneously, the efficient adjusting capacity of bidirectional synchronous limiting component further improves the operating efficiency of test device, reduces test preparation time;

[0020] 2、 The utility model discloses a pressure -shear test frame, test bench, two -way synchronous limiting component, connecting arm, double -threaded screw, synchronous screw block, connecting slide rail, limiting ring, support clamping plate, cylinder, telescopic pole, pressure -shear table, pressure sensor, positioning block are provided, and the device can realize the dynamic pressure -shear loading of high damping shock insulation rubber support through the introduction cylinder and telescopic pole. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a right side three -dimensional structure schematic diagram of high damping shock insulation rubber support dynamic pressure -shear test device that the utility model provides.

[0022] Figure 2 It is a left side three -dimensional structure schematic diagram of high damping shock insulation rubber support dynamic pressure -shear test device that the utility model provides.

[0023] Figure 3 It is the structure schematic diagram of high damping shock insulation rubber support dynamic pressure -shear test device inclined upper angle of view that the utility model provides.

[0024] Figure 4 It is a high damping shock insulation rubber support dynamic pressure -shear test device that the utility model provides. Figure 2 It is the enlarged view of A in the utility model.

[0025] Legend:

[0026] 1, pressure -shear test frame, test bench, two -way synchronous limiting component, connecting arm, double -threaded screw, synchronous screw block, connecting slide rail, limiting ring, support clamping plate, cylinder, telescopic pole, pressure -shear table, pressure sensor, positioning block. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figures 1-4 The utility model provides two technical schemes, and specifically includes the following embodiments:

[0029] Embodiment one:

[0030] The utility model provides a kind of high damping shock insulation rubber bearing dynamic compression shear test device, including compression shear test frame 1 and test table 2, test table 2 is set in the front side of the lower end of compression shear test frame 1, two-way synchronous limiting component 3 is provided outside test table 2, two-way synchronous limiting component 3 includes: connecting arm 301, double thread screw rod 302, synchronous screw block 303, connecting slide rail 304, limiting ring 305, bearing clamping plate 306, connecting arm 301 is fixedly connected with test table 2, double thread screw rod 302 is rotatably arranged on connecting arm 301, synchronous screw block 303 is screwed with double thread screw rod 302, connecting slide rail 304 is set on test table 2, limiting ring 305 is set outside connecting arm 301, limiting ring 305 is transmission connection with double thread screw rod 302, double thread screw rod 302 left and right sides are provided with opposite direction screw structure.

[0031] When working, the left and right sides of double thread screw rod 302 are provided with opposite direction screw structure, so that two synchronous screw blocks 303 can be moved to opposite direction simultaneously, so as to drive bearing clamping plate 306 to realize two-way synchronous limiting, this design ensures that bearing keeps stable position in compression shear test, avoids test error caused by bearing displacement, significantly improves the accuracy and reliability of test result, this transmission mode is not only convenient to operate, but also can accurately control the position of bearing clamping plate 306, adapt to high damping shock insulation rubber bearing of different sizes and shapes.Simultaneously, the efficient adjusting capacity of two-way synchronous limiting component 3 further improves the operating efficiency of test device, reduces test preparation time.

[0032] Embodiment two:

[0033] On the basis of embodiment one, further comprising: a cylinder 4 connected with the compression-shear test frame 1; a telescopic rod 5 connected with the cylinder 4; a compression-shear table 6 connected with the telescopic rod 5; a pressure sensor 7 arranged on the compression-shear table 6, the pressure sensor 7 is arranged at the bottom of the compression-shear table 6, the pressure sensor 7 is arranged at the bottom of the compression-shear table 6, which can monitor the pressure applied by the compression-shear table 6 to the high-damping shock insulation rubber support in real time. This function makes the acquisition of pressure data more intuitive and accurate during the test, and facilitates researchers to understand the test state in real time and adjust the test parameters as needed. At the same time, the feedback data of the pressure sensor 7 can be used for subsequent data analysis and performance evaluation, which is used to detect the pressure of the compression-shear table 6 on the high-damping shock insulation rubber support; a positioning block 8 arranged on the front side of the compression-shear test frame 1, the positioning block 8 is arranged at the middle of the front side of the compression-shear test frame 1, and the compression-shear table 6 is in sliding connection with the positioning block 8; the cylinder 4 is fixed on the top of the compression-shear test frame 1, one end of the telescopic rod 5 is connected with the piston rod of the cylinder 4, and the other end of the telescopic rod 5 is fixedly connected with the compression-shear table 6, the cylinder 4 provides stable power output, and the telescopic rod 5 converts the power of the cylinder 4 into the vertical movement of the compression-shear table 6, thereby simulating the pressure and shear force action under actual working conditions, so that the test device can accurately apply dynamic load, and truly reflect the mechanical properties of the high-damping shock insulation rubber support in actual use, thereby improving the simulation accuracy and reliability of the test.

[0034] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. A dynamic compression-shear test device for high-damping shock insulation rubber bearing, comprising a compression-shear test frame (1) and a test table (2), characterized in that: The test bench (2) is arranged at the front side of the lower end of the compression-shear test frame (1), and a bidirectional synchronous limiting assembly (3) is arranged outside the test bench (2), the bidirectional synchronous limiting assembly (3) comprises a connecting arm (301), a double-threaded screw rod (302), a synchronous threaded block (303), a connecting slide rail (304), a limiting ring (305) and a support clamping plate (306), the connecting arm (301) is fixedly connected with the test bench (2), the double-threaded screw rod (302) is rotatably arranged on the connecting arm (301), the synchronous threaded block (303) is threadedly connected with the double-threaded screw rod (302), the connecting slide rail (304) is arranged on the test bench (2), and the limiting ring (305) is arranged outside the connecting arm (301).

2. The dynamic compression-shear test device for a high-damping shock-insulating rubber bearing according to claim 1, characterized in that: Further comprising: a cylinder (4) connected with the compression-shear test frame (1); a telescopic rod (5) connected with the cylinder (4); a compression-shear bench (6) connected with the telescopic rod (5); a pressure sensor (7) arranged on the compression-shear bench (6); a positioning block (8) arranged at the front side of the compression-shear test frame (1); the cylinder (4) is fixed to the top of the compression-shear test frame (1), one end of the telescopic rod (5) is connected with the piston rod of the cylinder (4), and the other end of the telescopic rod (5) is fixedly connected with the compression-shear bench (6).

3. The dynamic compression-shear test device for a high-damping shock-insulating rubber bearing according to claim 2, characterized in that: The pressure sensor (7) is arranged at the bottom of the compression-shear bench (6) and is used for detecting the pressure of the compression-shear bench (6) on the high-damping shock insulation rubber support.

4. The dynamic compression-shear test device for a high-damping shock-insulating rubber bearing according to claim 1, characterized in that: The limiting ring (305) is in transmission connection with the double-threaded screw rod (302).

5. The dynamic compression-shear test device for a high-damping shock-insulating rubber bearing according to claim 2, characterized in that: The positioning block (8) is arranged at the middle part of the front side of the compression-shear test frame (1), and the compression-shear bench (6) is in sliding connection with the positioning block (8).

6. The dynamic compression-shear test device for a high-damping shock-insulating rubber bearing according to claim 1, characterized in that: The double-threaded screw rod (302) is provided with opposite screw structures on the left and right sides.

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