Earthquake-proof experiment device for civil structure

Abstract

The utility model discloses a civil structure anti-seismic experiment device, which belongs to the technical field of civil structure anti-seismic experiment devices and comprises a bottom plate, an experiment table arranged above the bottom plate, a reciprocating mechanism and a motor arranged on the right side of the experiment table, a support arranged on the top surface of the bottom plate, and a hydraulic cylinder arranged inside the support. A connecting base is arranged on a piston rod of the hydraulic cylinder, a lifting frame is arranged on the lower left portion of the connecting base, a protective cover is arranged at the bottom of the lifting frame, a second sliding rail is arranged on the support, and a second sliding block is arranged on the left side of the protective cover. The support and the hydraulic cylinder are installed on the top face of the bottom plate, the lifting frame is installed on the piston rod of the hydraulic cylinder through the connecting base, the protective cover is connected to the bottom of the lifting frame, the hydraulic cylinder drives the protective cover to ascend and descend, and operation is easy and convenient. The protective cover is made of a transparent material, so that experiment conditions are convenient to observe; by arranging the protective cover, when the model vibrates and collapses, scattered model blocks can be prevented from flying to observers, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil structure anti -seismic experiment device technical field especially relates to a civil structure anti -seismic experiment device. BACKGROUND

[0002] The building materials of civil structure mainly have bamboo, timber, rammed earth, straw, hay, sun-dried brick and tile, and the structure form that rural resident house generally adopts replaces steel bar with bamboo strip, and replaces concrete with clay (some will add mixed straw) to make the house wall by ramming, and it is a kind of building form of various houses with wood as beam and tile or hay as cover.The civil structure anti-seismic experiment device is provided with an anti-seismic experiment table, a frame model is arranged on the anti-seismic experiment table, and the anti-seismic effect of the civil structure is detected by the anti-seismic experiment table.

[0003] The Chinese patent with the application number 201921663545.5 discloses a novel civil structure anti-seismic experiment device, which comprises a bottom plate, an experiment table, sliding rails, a mounting plate, bolt holes, a reciprocating mechanism and a motor.The motor generates power to drive the rotating disc to rotate, a sliding groove is formed in the rotating disc, a connecting rod is installed in the sliding groove, and the right end of the connecting rod is threadedly connected with the internal threaded tube of the adjusting connecting rod.In use, the rotating disc is driven to rotate by the motor, the connecting rod drives the push rod to reciprocate, and the experiment table is swung left and right to simulate the effect of an earthquake and detect the anti-seismic performance of the civil structure on the experiment table.The rotating knob connected with the right end of the adjusting connecting rod can be rotated to make the sliding shaft of the connecting rod slide along the sliding groove on the rotating disc, adjust the straight-line distance between the sliding shaft and the center of the rotating disc, adjust the diameter of the rotating track of the right end of the connecting rod, and then adjust the swing amplitude of the experiment table by the push rod to facilitate the experiment on the anti-seismic performance of the civil structure under different levels of earthquakes.However, during the detection process, the model collapses due to vibration, and the scattered model blocks may fly towards the observers, which poses a safety hazard and cannot meet the requirements of users for a special experiment device for detecting the anti-seismic performance of civil structures. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a civil structure anti-seismic experiment device to solve the problem that the existing experiment device cannot meet the requirements of users for a special experiment device for detecting the anti-seismic performance of civil structures because the model collapses due to vibration during the detection process, and the scattered model blocks may fly towards the observers, which poses a safety hazard.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model relates a civil structure anti -seismic experiment device, including the bottom plate, the top of bottom plate is provided with the experiment table, the right side of experiment table is provided with the shuttle mechanism, the rear side of shuttle mechanism is provided with the motor for driving shuttle mechanism, the top of bottom plate and located experiment table's left side is provided with the support, the inside of support is provided with the hydraulic cylinder, the hydraulic cylinder sets up the top of bottom plate, the piston rod of hydraulic cylinder is provided with the connecting seat, the lower left of connecting seat is provided with the lifting frame, the bottom of lifting frame is provided with the protective cover, the second slide rail is provided on the support, the left side of protective cover is provided with the second sliding block matched with second slide rail.

[0007] Further, the protective cover is made of transparent material.

[0008] Further, the support includes two vertical rods, the two vertical rods are arranged side by side on the top surface of the bottom plate, and the top surface of the two vertical rods is provided with a horizontal rod. The second slide rail is arranged on the left side surface of the vertical rod.

[0009] Further, the longitudinal section of the lifting frame is arranged in an inverted U shape.

[0010] Further, the top surface of the experiment table is provided with a clamping mechanism.

[0011] Further, the number of clamping mechanisms is two. One clamping mechanism clamps from the left and right directions of the civil structure to be detected, and the other clamping mechanism clamps from the front and back directions of the civil structure to be detected.

[0012] Further, the clamping mechanism includes a fixed clamping plate, the fixed clamping plate is arranged on the top surface of the experiment table, the opposite side of the fixed clamping plate is provided with a movable clamping assembly, the movable clamping assembly includes a support seat, the support seat is arranged on the top surface of the experiment table, an adjusting rod is threadedly connected to the support seat, and a clamping block is arranged on one end of the adjusting rod close to the fixed clamping plate.

[0013] Compared with the prior art, the utility model has the beneficial technical effects:

[0014] The utility model discloses a support, a hydraulic cylinder are installed on the top surface of the bottom plate, a lifting frame is installed on the piston rod of the hydraulic cylinder through the connecting seat, the bottom of the lifting frame is connected with the protective cover, the protective cover is driven to lift through the hydraulic cylinder, and the operation is simple and convenient. The protective cover is made of transparent material, which facilitates observation of the experimental conditions. By setting the protective cover, the scattered model blocks can be prevented from flying towards the observers when the model vibration collapses, and the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 It is a three-dimensional structure schematic view of the civil structure anti-seismic experiment device;

[0017] Figure 2 It is a front view of the civil structure anti-seismic experiment device protective cover descending state;

[0018] Figure 3 It is a front view of the civil structure anti-seismic experiment device protective cover ascending state;

[0019] Figure 4 It is a three-dimensional structure schematic view of the clamping mechanism;

[0020] Figure 5 It is a sectional view of the reciprocating mechanism.

[0021] Mark 1, the bottom plate; 2, the experiment table; 3, the first sliding rail; 4, the first sliding block; 5, the reciprocating mechanism; 6, the clamping mechanism; 7, the support; 8, the hydraulic cylinder; 9, the connecting seat; 10, the lifting frame; 11, the protective cover; 12, the second sliding rail; 13, the second sliding block; 5-1, the shell; 5-2, the turntable; 5-3, the sliding groove; 5-4, the connecting rod; 5-5, the adjusting connecting rod; 5-6, the fixed bearing; 5-7, the knob; 5-8, the push rod; 5-9, the limiting tube; 6-1, the fixed clamping plate; 6-2, the movable clamping assembly; 6-2-1, the support seat; 6-2-2, the adjusting rod; 6-2-3, the clamping block. DETAILED DESCRIPTION

[0022] As Figures 1-5As shown, a civil structure anti-seismic experiment device, including the bottom plate 1, the top of the bottom plate 1 is provided with the experiment table 2, the experiment table 2 is used for fixing and installing civil structure, the top surface of the bottom plate 1 is installed with the first sliding rail 3, the bottom surface of the experiment table 2 is installed with the first sliding block 4 matched with the first sliding rail 3, the right side of the experiment table 2 is provided with the reciprocating mechanism 5, the reciprocating mechanism 5 is used for swing control to the experiment table 2, the rear side of the reciprocating mechanism 5 is provided with the motor for driving the reciprocating mechanism 5, the top surface of the bottom plate 1 and located at the left side of the experiment table 2 is connected with the support 7, the inside of the support 7 is provided with the hydraulic cylinder 8, the hydraulic cylinder 8 is installed on the top surface of the bottom plate 1, the connecting seat 9 is connected on the piston rod of the hydraulic cylinder 8, the lower left of the connecting seat 9 is connected with the lifting frame 10, the longitudinal section of the lifting frame 10 is provided as an inverted U-shaped, the bottom of the lifting frame 10 is connected with the protective cover 11, the support 7 includes two vertical rods, the top surface of the two vertical rods is connected with the horizontal rod, two vertical rods and a horizontal rod form an inverted U-shaped structure, the left side surface of the two vertical rods is installed with the second sliding rail 12, the left side of the protective cover 11 is installed with the second sliding block 13 matched with the second sliding rail 12.

[0023] The piston rod of the hydraulic cylinder 8 extends upward to drive the connecting seat 9 and the lifting frame 10 to rise, so as to drive the protective cover 11 to rise, the second sliding block 13 slides along the second sliding rail 12 in the process of the protective cover 11 rising, to ensure that the protective cover 11 stably rises in the vertical direction and improve the stability of the lifting process.

[0024] Specifically, the protective cover 11 is a rectangular box with an open bottom, and is made of transparent material to facilitate observation of the experiment; the protective cover 11 is arranged to prevent the scattered model blocks from flying towards the observers when the model vibration collapses, thereby improving safety.

[0025] The top surface of the experiment table 2 is installed with the clamping mechanism 6, the number of the clamping mechanism 6 is two, one clamping mechanism 6 clamps from the left and right directions of the civil structure to be detected, and the other clamping mechanism 6 clamps from the front and rear directions of the civil structure to be detected.

[0026] As Figure 4As shown, the clamping mechanism 6 comprises a fixed clamping plate 6-1 which is bolted to the top surface of the experiment table 2, and an active clamping assembly 6-2 which is arranged on the opposite side of the fixed clamping plate 6-1 and comprises a support seat 6-2-1 which is bolted to the top surface of the experiment table 2, a adjusting rod 6-2-2 which is threadedly connected to the support seat 6-2-1, a clamping block 6-2-3 which is connected to one end of the adjusting rod 6-2-2 close to the fixed clamping plate 6-1, and a rotating handle which is connected to the other end of the adjusting rod 6-2-2.

[0027] The reciprocating mechanism 5 is composed of a shell 5-1, a rotating disc 5-2, a sliding groove 5-3, a connecting rod 5-4, an adjusting connecting rod 5-5, a fixed bearing 5-6, a knob 5-7, a push rod 5-8 and a limiting tube 5-9, the output shaft at the front end of the motor penetrates through the shell 5-1 and is inserted into the center of the rotating disc 5-2, the inside of the rotating disc 5-2 is provided with the sliding groove 5-3 on one side, the connecting rod 5-4 is installed at the front end of the sliding groove 5-3, the right end of the connecting rod 5-4 is threadedly connected with the adjusting connecting rod 5-5, the right end of the adjusting connecting rod 5-5 penetrates through the fixed bearing 5-6 and is inserted into the center of the knob 5-7, the fixed bearing 5-6 is installed in the right side wall of the shell 5-1, the left end of the connecting rod 5-4 is rotationally connected with the push rod 5-8 through a rotating shaft, the limiting tube 5-9 is installed in the left side wall of the shell 5-1, the left end of the push rod 5-8 penetrates through the limiting tube 5-9 and is connected with the experiment table 2, and the bottom end of the shell 5-1 is connected with the bottom plate 1 through bolts.

[0028] The working process of the utility model is as follows:

[0029] First, the left side, the back side of the civil structure model to be tested is attached to the fixed clamping plate 6-1, the adjusting rod 6-2-2 is rotated, the clamping block 6-2-3 is close to the civil structure model, and finally the civil structure model is clamped and fixed; then, the piston rod of the hydraulic cylinder 8 is retracted downward, the connecting seat 9 and the lifting frame 10 are lowered, thereby driving the protective cover 11 to be lowered, the protective cover 11 is moved to the outside of the experimental table 2 and the reciprocating mechanism 5, and protection is performed; finally, the experimental table 2 is driven to swing left and right by the reciprocating mechanism 5, the civil structure on the experimental table 2 is subjected to anti-seismic detection by simulating the earthquake effect through the reciprocating swing of the experimental table 2, the experimenters can observe the experiment through the protective cover 11, meanwhile, the protective cover 11 can prevent the scattered model blocks from flying to the observers when the model vibration collapses, and the safety is improved; after the experiment is completed, the piston rod of the hydraulic cylinder 8 is extended upward, driving the connecting seat 9 and the lifting frame 10 to be raised, thereby driving the protective cover 11 to be raised, and the civil structure model is convenient to take out.

[0030] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope defined by the claims of the present application.

Claims

1. A civil structure anti-seismic experiment device, comprising a bottom plate (1), an experiment table (2) is arranged above the bottom plate (1), a reciprocating mechanism (5) is arranged on the right side of the experiment table (2), a motor for driving the reciprocating mechanism (5) is arranged on the rear side of the reciprocating mechanism (5), characterized in that: The top surface of the bottom plate (1) and the left side of the experiment table (2) are provided with a support (7), the inside of the support (7) is provided with a hydraulic cylinder (8), the hydraulic cylinder (8) is arranged on the top surface of the bottom plate (1), a connecting seat (9) is arranged on the piston rod of the hydraulic cylinder (8), a lifting frame (10) is arranged below the left side of the connecting seat (9), a protective cover (11) is arranged on the bottom of the lifting frame (10), a second sliding rail (12) is arranged on the support (7), and a second sliding block (13) matched with the second sliding rail (12) is arranged on the left side of the protective cover (11).

2. The seismic experiment device for civil structures according to claim 1, characterized in that: The protective cover (11) is made of transparent material.

3. The seismic experiment device for civil structures according to claim 1, characterized in that: The support (7) comprises two vertical rods arranged side by side on the top surface of the bottom plate (1), and a horizontal rod is arranged on the top surface of the two vertical rods, and the second sliding rail (12) is arranged on the left side of the vertical rod.

4. The seismic experiment device for civil structures according to claim 1, characterized in that: The longitudinal section of the lifting frame (10) is arranged in an inverted U shape.

5. The seismic experiment device for civil structures according to claim 1, characterized in that: The top surface of the experiment table (2) is provided with a clamping mechanism (6).

6. The seismic experiment device for civil structures according to claim 5, wherein: The number of clamping mechanisms (6) is two, one clamping mechanism (6) clamps from the left and right directions of the civil structure to be detected, and the other clamping mechanism (6) clamps from the front and rear directions of the civil structure to be detected.

7. The seismic experiment device for civil structures according to claim 6, characterized in that: The clamping mechanism (6) comprises a fixed clamping plate (6-1), the fixed clamping plate (6-1) is arranged on the top surface of the experiment table (2), the opposite side of the fixed clamping plate (6-1) is provided with a movable clamping assembly (6-2), the movable clamping assembly (6-2) comprises a support seat (6-2-1), the support seat (6-2-1) is arranged on the top surface of the experiment table (2), a adjusting rod (6-2-2) is threadedly connected to the support seat (6-2-1), and a clamping block (6-2-3) is arranged on one end of the adjusting rod (6-2-2) close to the fixed clamping plate (6-1).

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