Concrete shock strength detection device

Abstract

The utility model relates to the technical field of concrete anti-seismic detection, and discloses a concrete anti-seismic strength detection device. The concrete shock strength detection device comprises a base, limiting discs are fixedly installed on the front side and the rear side of the base, electromagnets are fixedly installed in the limiting discs, a limiting plate is installed above the base in an embedded mode, and a supporting plate is movably installed above the base through balls. When the right permanent magnet is attracted by the electromagnet, the right permanent magnet can drive the supporting plate to move towards the right side through the transmission block, when the left permanent magnet is attracted by the left electromagnet and the right permanent magnet is repulsive by the electromagnet, the supporting plate can be driven to move towards the left side through the transmission block, and the magnetic pole direction of the electromagnet is controlled by switching the current direction. By means of the mode, the movement direction of the supporting plate can be rapidly adjusted, and the vibration strength is improved.

Description

Technical Field

[0001] This utility model relates to the field of concrete seismic testing technology, specifically a concrete seismic strength testing device. Background Technology

[0002] By testing the seismic strength of concrete, it can be determined whether the concrete's strength and toughness meet design requirements, thus ensuring the safety of the building. The test results can help understand the mechanical properties of concrete, thereby guiding the seismic design of the building and improving its seismic resistance. By testing the seismic strength of concrete, the seismic resistance of the building can be assessed, the stress situation of the building during an earthquake can be understood, and a basis for the reinforcement of the building can be provided.

[0003] A relevant reference is Chinese utility model patent CN218496371U, which discloses a seismic testing device for concrete blocks. The device includes a mounting base with a seismic detector mounted on top. A base is fixed to the side of the mounting base, and a motor is fixed to the top of the base. A mounting frame is fixed to the top of the mounting base, and a rotating shaft is rotatably connected to the inner wall of the mounting frame. Both ends of the rotating shaft pass through the mounting frame and extend to its outer side. By placing the concrete block to be tested on a placement plate and pushing it along multiple rollers inside the placement plate, the concrete block is pushed to the inner side of the placement plate. The motor drives gears to rotate, which in turn drives the rotating shaft to rotate, causing the placement plate to rotate. This causes the placement plate to flip, until the concrete block is perpendicular to the mounting base. This design allows operators to quickly install the concrete block, reducing their workload.

[0004] Existing concrete testing devices generally use hydraulic equipment to move the base, thereby simulating left and right vibrations. However, this method is limited by the contraction speed of the hydraulic equipment, resulting in low vibration intensity. In addition, in order to move the concrete block, it is necessary to fix the concrete block above the movable base. Existing concrete testing devices generally use clamps for fixing, which is cumbersome and inconvenient. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the shortcomings of the prior art, this utility model provides a concrete vibration strength testing device, which has the advantages of improving the intensity of simulated vibration and facilitating the fixing of concrete blocks, thus solving the above-mentioned technical problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a concrete seismic strength testing device, comprising: a base, limiting plates fixedly installed on the front and rear sides of the base, an electromagnet fixedly installed inside the limiting plates, a limiting plate fitted on the top of the base, a connecting block fixedly installed below the limiting plate, a ball bearing fitted below the connecting block, a limiting block fixedly installed below the connecting block, a support plate fixedly installed above the limiting plate, a reinforcing plate fixedly installed inside the support plate, transmission blocks fixedly installed on the front and rear sides of the support plate, permanent magnets fixedly installed on the left and right sides of the transmission blocks, a fixing frame and a connecting frame fixedly installed above the support plate, a hydraulic piston inserted through the front side of the connecting frame, a limiting frame inserted through the outer side of the hydraulic piston, and a movable plate fixedly installed at the end of the hydraulic piston; the base can restrict the movement direction of the limiting plate.

[0009] As a preferred technical solution of this utility model, the top surface of the base is provided with four sliding grooves evenly distributed front and back, and the left and right sides of the front and rear ends of the base are provided with protruding structures for mounting the limiting plate. The electromagnet is installed between the protruding structures on the front and rear sides of the base through the limiting plate in a mirror-symmetrical manner. The electromagnet can generate magnetic force after being energized.

[0010] As a preferred embodiment of this utility model, the limiting plate consists of four pieces that are fitted into each groove above the base, and the limiting plate and the base form a sliding connection. The connecting block consists of four pieces that are equidistantly installed below the limiting plate. The limiting plate allows the support plate to be easily installed on top of the base.

[0011] As a preferred embodiment of this utility model, the thickness of the limiting block is less than the radius of the ball, the upper half of the ball is fitted inside the connecting block, and the lower half of the ball penetrates the limiting block, and the ball, the connecting block, and the limiting block form a sliding connection; the limiting block can restrict the position of the ball.

[0012] As a preferred embodiment of this utility model, the bottom end of the ball contacts the bottom of the base groove, the support plate has a hollow structure, the reinforcing plate is installed equidistantly inside the support plate, and the transmission block is installed symmetrically on the front and back sides of the support plate; the ball can reduce friction.

[0013] As a preferred embodiment of this utility model, the permanent magnets are mirror-symmetrically installed on the left and right sides of the transmission block and located between the electromagnets on the same side. The fixing frame is fixedly installed on the rear side of the support plate, and the connecting frame is fixedly installed on the front side of the support plate. The fixing frame can clamp the concrete block with the movable plate.

[0014] As a preferred embodiment of this utility model, the hydraulic piston passes through the connecting frame, the rear end of the limiting frame is fixedly connected to the connecting frame, and the movable plate is movably connected to the connecting frame through the hydraulic piston; the hydraulic piston can drive the movable plate to move.

[0015] Compared with the prior art, this utility model provides a concrete seismic strength testing device, which has the following beneficial effects:

[0016] 1. This utility model uses a hydraulic piston, a connecting frame and a support plate are fixedly connected, a fixed frame is fixedly installed at the rear end of the support plate, the hydraulic piston is installed at the front of the fixed frame through the connecting frame, and a movable plate is fixed at the rear end of the hydraulic piston. The distance between the movable plate and the fixed frame is adjusted by the extension and retraction of the hydraulic piston, thereby clamping the concrete block. The limiting frame can protect the hydraulic piston when it moves left and right. This method can reduce manual adjustment when fixing the concrete block, so as to facilitate the fixing of the concrete block and the support plate.

[0017] 2. This utility model utilizes electromagnets. The base has raised structures on both sides of its front and rear ends for mounting limiting plates. The electromagnets are symmetrically mounted between these raised structures via the limiting plates. A transmission block is symmetrically mounted at the center of the front and rear sides of the support plate. Permanent magnets are symmetrically mounted on the left and right sides of the transmission block, positioned between the electromagnets on the same side. The support plate is mounted on top of the base via ball bearings. When the left permanent magnet is repelled by the left electromagnet and the right permanent magnet is attracted by the electromagnet, the transmission block can move the support plate to the right. Conversely, when the left permanent magnet is attracted by the left electromagnet and the right permanent magnet is repelled by the electromagnet, the transmission block can move the support plate to the left. By switching the current direction to control the direction of the electromagnet poles, the support plate can reciprocate left and right, simulating vibration. This method allows for rapid adjustment of the support plate's movement direction, thereby increasing the vibration intensity. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the electromagnet mounting structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the ball bearing mounting structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the installation structure of the limiting plate of this utility model;

[0022] The components are: 1. Base; 11. Limiting plate; 12. Electromagnet; 13. Limiting plate; 14. Connecting block; 15. Ball bearing; 16. Limiting block; 17. Support plate; 18. Reinforcing plate; 19. Transmission block; 110. Permanent magnet; 111. Fixing frame; 112. Connecting frame; 113. Hydraulic piston; 114. Limiting frame; 115. Movable plate. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Please see Figure 1 - Figure 4In this embodiment, a concrete vibration resistance testing device includes: a base 1, with limiting discs 11 fixedly installed on the front and rear sides of the base 1, an electromagnet 12 fixedly installed inside the limiting discs 11, a limiting plate 13 fitted on the top of the base 1, a connecting block 14 fixedly installed below the limiting plate 13, a ball bearing 15 fitted below the connecting block 14, a limiting block 16 fixedly installed below the connecting block 14, a support plate 17 fixedly installed above the limiting plate 13, a reinforcing plate 18 fixedly installed inside the support plate 17, transmission blocks 19 fixedly installed on the front and rear sides of the support plate 17, permanent magnets 110 fixedly installed on the left and right sides of the transmission blocks 19, a fixing frame 111 and a connecting frame 112 fixedly installed above the support plate 17, a hydraulic piston 113 inserted through the front side of the connecting frame 112, a limiting frame 114 inserted through the outer side of the hydraulic piston 113, and a movable plate 115 fixedly installed at the end of the hydraulic piston 113.

[0027] The top surface of the base 1 has four equally spaced sliding grooves. The left and right sides of both ends of the base 1 have protrusions for mounting the limiting plate 11. The electromagnet 12 is mirror-symmetrically mounted between the protrusions on the front and rear sides of the base 1 via the limiting plate 11. Four limiting plates 13 are fitted into each sliding groove above the base 1, forming a sliding connection between the limiting plates 13 and the base 1. Four connecting blocks 14 are equally spaced below the limiting plates 13. The thickness of the limiting block 16 is less than the radius of the ball 15. The upper half of the ball 15 is fitted into the connecting block 14, and the lower half of the ball 15 penetrates the limiting block 16. The ball 15, the connecting block 14, and the limiting block 16 form a sliding connection. The ball bearing 15 is in contact with the bottom of the groove of the base 1. The support plate 17 is a hollow structure. The reinforcing plate 18 is installed at equal intervals in the front and rear of the support plate 17. The transmission block 19 is installed symmetrically in the front and rear of the center of the front and rear sides of the support plate 17. The permanent magnet 110 is installed symmetrically in the left and right sides of the transmission block 19 and is located between the electromagnets 12 on the same side. The fixed frame 111 is fixedly installed on the rear side of the support plate 17. The connecting frame 112 is fixedly installed on the front side of the support plate 17. The hydraulic piston 113 passes through the connecting frame 112. The rear end of the limiting frame 114 is fixedly connected to the connecting frame 112. The movable plate 115 is movably connected to the connecting frame 112 through the hydraulic piston 113.

[0028] Specifically, the base 1 can limit the position of the limiting plate 13 through the sliding groove, and the limiting plate 11 can limit the position of the electromagnet 12. By adjusting the energizing direction of the electromagnet 12, the magnetic poles of the electromagnet 12 are adjusted so that the magnetic poles of one side of the electromagnet 12 are the same as the magnetic poles of the permanent magnet 110, and the other side is opposite. The transmission block 19 drives the support plate 17 to move through the magnetic force. The limiting plate 13 can limit the movement direction of the support plate 17. The limiting block 16 restricts the ball 15 to the bottom of the connecting block 14. The ball 15 can reduce the friction when the limiting plate 13 moves. The support plate 17 can support the concrete block. The reinforcing plate 18 can increase the strength of the support plate 17. The transmission block 19 can facilitate the placement of the permanent magnet 110 between the electromagnets 12. The permanent magnet 110 on the left side is repelled by the electromagnet 12 on the left side, and the permanent magnet 110 on the right side is repelled by the electromagnet 12 on the right side. When the iron 110 is attracted by the electromagnet 12, it can drive the support plate 17 to move to the right through the transmission block 19. When the left permanent magnet 110 is attracted by the left electromagnet 12 and the right permanent magnet 110 is repelled by the electromagnet 12, it can drive the support plate 17 to move to the left through the transmission block 19. By switching the current direction to control the direction of the magnetic poles of the electromagnet 12, the support plate 17 can be made to move back and forth to simulate vibration. The fixed frame 111 is fixed in position. The hydraulic piston 113 is installed on the front side of the fixed frame 111 through the connecting frame 112. The movable plate 115 is fixed to the rear end of the hydraulic piston 113. The distance between the movable plate 115 and the fixed frame 111 is adjusted by the extension and retraction of the hydraulic piston 113, thereby clamping the concrete block. The limiting frame 114 can protect the hydraulic piston 113 when it moves left and right.

[0029] In use, the connecting frame 112 is fixedly connected to the support plate 17, and the fixing frame 111 is fixedly installed at the rear end of the support plate 17. The hydraulic piston 113 is installed on the front side of the fixing frame 111 through the connecting frame 112. The movable plate 115 is fixed to the rear end of the hydraulic piston 113. The distance between the movable plate 115 and the fixing frame 111 is adjusted by the extension and retraction of the hydraulic piston 113, thereby clamping the concrete block. The limiting frame 114 can protect the hydraulic piston 113 when moving left and right. This method can reduce manual adjustment operations when fixing the concrete block, so as to fix the concrete block to the support plate 17. The left and right sides of the front and rear ends of the base 1 are provided with protruding structures for the installation of the limiting plate 11. The electromagnet 12 is installed between the protruding structures on the front and rear sides of the base 1 through the limiting plate 11 in a mirror-symmetrical manner. The transmission block 19 is mirror-symmetrical in the front and rear. The permanent magnets 110 are mounted symmetrically on the left and right sides of the transmission block 19, located between the electromagnets 12 on the same side, at the center of the front and rear sides of the support plate 17. The support plate 17 is movably mounted on the top of the base 1 via the ball bearings 15. When the left permanent magnet 110 is repelled by the left electromagnet 12 and the right permanent magnet 110 is attracted by the electromagnet 12, the support plate 17 can be moved to the right via the transmission block 19. When the left permanent magnet 110 is attracted by the left electromagnet 12 and the right permanent magnet 110 is repelled by the electromagnet 12, the support plate 17 can be moved to the left via the transmission block 19. By switching the current direction to control the magnetic pole direction of the electromagnet 12, the support plate 17 can be made to reciprocate left and right to simulate vibration. This method can quickly adjust the movement direction of the support plate 17 to improve the vibration intensity.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the seismic strength of concrete, characterized in that, Include: The base (1), the front and rear sides of the base (1) are fixedly installed with a limit disc (11), the inside of the limit disc (11) is fixedly installed with an electromagnet (12), the upper of the base (1) is embeddedly installed with a limit plate (13), the lower of the limit plate (13) is fixedly installed with a connecting block (14), the lower of the connecting block (14) is embeddedly installed with a ball (15), the lower of the connecting block (14) is fixedly installed with a limit block (16), the upper of the limit plate (13) is fixedly installed with a support plate (17), the inside of the support plate (17) is fixedly installed with a reinforcing plate (18), the front and rear sides of the support plate (17) are fixedly installed with a transmission block (19), the left and right sides of the transmission block (19) are fixedly installed with a permanent magnet (110), the upper of the support plate (17) is fixedly installed with a fixed frame (111) and a connecting frame (112), the front side of the connecting frame (112) is insertedly installed with a hydraulic piston (113), the outside of the hydraulic piston (113) is insertedly installed with a limit frame (114), the end of the hydraulic piston (113) is fixedly installed with a movable plate (115).

2. The concrete anti-seismic strength detection device according to claim 1, wherein: The top surface of the base (1) is provided with four slide grooves distributed equidistantly in front and back, the left and right sides of the front and rear ends of the base (1) are provided with protruding structures for installing the limit disc (11), and the electromagnet (12) is installed between the protruding structures on the front and rear sides of the base (1) in mirror image symmetry through the limit disc (11).

3. The concrete anti-seismic strength detection device according to claim 1, wherein: The limit plate (13) is embeddedly installed in each slide groove inside the base (1), and the limit plate (13) and the base (1) are connected in sliding manner, and the connecting block (14) is installed equidistantly in left and right on the lower of the limit plate (13).

4. The concrete anti-seismic strength detection device according to claim 1, wherein: The thickness of the limit block (16) is less than the radius of the ball (15), the upper half of the ball (15) is embedded in the inside of the connecting block (14), and the lower half of the ball (15) penetrates the limit block (16), and the ball (15) and the connecting block (14) and the limit block (16) are connected in sliding manner.

5. The concrete anti-seismic strength detection device according to claim 1, wherein: The bottom end of the ball (15) is in contact with the bottom of the slide groove of the base (1), the support plate (17) is a hollow structure, the reinforcing plate (18) is installed equidistantly in front and back in the inside of the support plate (17), and the transmission block (19) is installed in mirror image symmetry in front and back on the center of the left and right sides of the support plate (17).

6. The concrete anti-seismic strength detection device according to claim 1, wherein: The permanent magnets (110) are symmetrically installed on the left and right sides of the transmission block (19) and are located between the same side electromagnets (12), the fixed frame (111) is fixedly installed on the rear side of the support plate (17), and the connecting frame (112) is fixedly installed on the front side of the support plate (17).

7. The concrete anti-seismic strength detection device according to claim 1, characterized in that: The hydraulic piston (113) penetrates the connecting frame (112), the rear end of the limiting frame (114) and the connecting frame (112) are fixedly connected, and the movable plate (115) is movably connected between the hydraulic piston (113) and the connecting frame (112).

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