Rebound apparatus for detecting compressive strength of concrete through rebound method

Abstract

The utility model relates to the technical field of concrete compressive strength detection, and aims to provide a rebound apparatus for detecting concrete compressive strength by a rebound method, which comprises a bottom plate, a moving component arranged on the bottom plate, a clamping component arranged on the moving component, a sliding component arranged on the bottom plate, a driving component arranged on the sliding component, and a clamping component arranged on the clamping component. A displacement assembly is arranged on the side, away from the driving assembly, of the sliding assembly, and through the design of the displacement assembly, the rebound apparatus can accurately and horizontally move on the bottom plate. The first movable sliding rail and the second movable sliding rail are matched with the movable sliding block, and fine position adjustment of the rebound apparatus body can be achieved through telescopic adjustment of the electric push rod. Meanwhile, a first displacement threaded rod, a second displacement threaded rod and a locking nut are used in cooperation, the accuracy and stability of displacement adjustment are further enhanced, and therefore different positions of concrete can be detected.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete compressive strength detection technical field, especially relates to a rebound method detects concrete compressive strength with rebound apparatus. BACKGROUND

[0002] The basic principle of the rebound apparatus is that a spring drives a weight, the weight hits a striking rod in contact with the surface of the concrete at a constant kinetic energy, causing local deformation of the concrete and absorbing part of the energy, the other part of the energy is converted into the rebounding kinetic energy of the weight, when the rebounding kinetic energy is completely converted into potential energy, the weight rebounds to the maximum distance, and the instrument displays the maximum rebounding distance of the weight as a rebound value, currently, people often use the rebound apparatus when detecting the compressive strength of concrete by using the rebound method.

[0003] The rebound apparatus in the prior art CN217688192U patent only detects the specified part of the concrete, and the detection is not comprehensive enough, the single piece of concrete cannot be detected at different parts, and the accuracy of detecting the concrete is reduced. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a rebound method detects concrete compressive strength with rebound apparatus to solve the problems in the background art, and is convenient to popularize.

[0005] A rebound method detects concrete compressive strength with rebound apparatus, including the bottom plate, the bottom plate is equipped with the moving assembly, the moving assembly is equipped with the clamping assembly, the bottom plate is equipped with the sliding assembly, the sliding assembly is equipped with the drive assembly, the side of the sliding assembly away from the drive assembly is equipped with the displacement assembly.

[0006] The moving assembly includes the moving sliding rail one and the moving sliding rail two that are arranged on the upper end face of the bottom plate, the moving sliding rail one and the moving sliding rail two are slidably provided with a moving sliding block, the moving sliding block is provided with a moving support frame on the upper surface, the side wall of the bottom plate is provided with a moving connecting frame one and a moving support frame two, a moving threaded rod is rotatably arranged on the inner wall of the moving support frame two, one end of the moving threaded rod away from the inner wall of the moving support frame two is fixedly provided with a moving knob through the moving connecting frame one, a lead screw nut pair one is threadedly connected to the moving threaded rod, and a moving connecting rod is arranged between the lead screw nut pair one and the moving support frame.

[0007] Further, the clamping assembly comprises a vertical plate one and a vertical plate two symmetrically arranged above the moving support frame, a guide rod is arranged between the vertical plate one and the vertical plate two, a clamping shaft sleeve is sleeved on the guide rod, a clamping plate is arranged between the clamping shaft sleeves, a clamping threaded rod is threadedly connected to the vertical plate one, one end of the clamping threaded rod is rotatably arranged on the outer wall of the clamping plate, and a clamping knob is fixedly arranged at the other end of the clamping threaded rod away from the outer wall of the clamping plate.

[0008] Further, the sliding assembly comprises a sliding vertical plate fixedly arranged above the bottom plate, a sliding slide rail is formed in the sliding vertical plate, a sliding sliding block is slidably arranged in the sliding slide rail, and a sliding connecting plate is fixedly arranged on one side of the sliding sliding block.

[0009] Further, the driving assembly comprises a horizontal plate fixedly arranged on the outer wall of the sliding vertical plate, a driving motor is arranged on the upper surface of the horizontal plate, a driving threaded rod is fixedly arranged on the output end of the driving motor, one end of the driving threaded rod away from the output end of the driving motor is rotatably arranged on the upper surface of the bottom plate, a screw nut pair two is threadedly connected to the driving threaded rod, and a driving connecting rod is arranged between the screw nut pair two and the sliding sliding block.

[0010] Further, the displacement assembly comprises electric push rods symmetrically arranged on the outer wall of the sliding connecting plate, displacement connecting frames are fixedly arranged at the ends of the electric push rods away from the outer wall of the sliding connecting plate, displacement threaded rods one and displacement threaded rods two are symmetrically arranged on the displacement connecting frames, clamping connecting plates are inserted into the displacement threaded rods one and the displacement threaded rods two, locking nuts are threadedly connected to the displacement threaded rods one and the displacement threaded rods two, stable slide rails are formed in the inner walls of the displacement connecting frames, stable sliding blocks are slidably arranged in the stable slide rails, stable connecting rods are arranged between the stable sliding blocks and the clamping connecting plates, clamping ring plates are arranged on the inner walls of the clamping connecting plates, and the rebound instrument bodies are clamped between the clamping ring plates.

[0011] Further, the driving motor is a reversible motor.

[0012] As an improvement, the present application has the following beneficial effects:

[0013] The utility model discloses a rebound method detects concrete compressive strength with rebound apparatus, through the design of moving assembly, and rebound apparatus can be accurately horizontal movement on the bottom plate. The cooperation of moving slide rail no. 1 and moving slide rail no. 2 and moving sliding block, the stability and accuracy of moving are ensured. Meanwhile, the transmission mechanism of moving threaded rod and screw nut pair no. 1 makes for the movable support frame and the clamping assembly on it can be conveniently adjusted position, and the design of displacement assembly fully considers the small displacement requirement of rebound apparatus in the detection process. Through the telescopic adjustment of electric push rod, the subtle position adjustment of rebound apparatus body can be realized. Meanwhile, the cooperation of displacement threaded rod no. 1, displacement threaded rod no. 2 and locking nut further enhances the precision and stability of displacement adjustment, thereby realizes the detection to the different position of concrete. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is equal axis side A view of rebound method detects concrete compressive strength with rebound apparatus of the utility model;

[0015] Figure 2 It is equal axis side B view of rebound method detects concrete compressive strength with rebound apparatus of the utility model;

[0016] Figure 3 It is equal axis side C view of rebound method detects concrete compressive strength with rebound apparatus of the utility model;

[0017] Figure 4 It is equal axis side D view of rebound method detects concrete compressive strength with rebound apparatus of the utility model;

[0018] Figure 5 It is the enlarged view of A in the utility model Figure 1 ;

[0019] Figure 6 It is the enlarged view of B in the utility model Figure 2 ;

[0020] Figure 7 It is the enlarged view of C in the utility model Figure 4 ;

[0021] Corresponding table of drawing mark:

[0022] 1, bottom plate; 2, moving assembly; 201, moving slide rail one; 202, moving slide rail two; 203, moving slide block; 204, moving support frame; 205, moving connecting frame one; 206, moving support frame two; 207, moving threaded rod; 208, moving knob; 209, screw nut pair one; 210, moving connecting rod; 3, clamping assembly; 301, vertical plate one; 302, vertical plate two; 303, guide rod; 304, clamping shaft sleeve; 305, clamping plate; 306, clamping threaded rod; 307, clamping knob; 4, sliding assembly; 401, sliding vertical plate; 402, sliding slide rail; 403, sliding slide block; 404, sliding connecting plate; 5, driving assembly; 501, horizontal plate; 502, driving motor; 503, driving threaded rod; 504, screw nut pair two; 505, driving connecting rod; 6, displacement assembly; 601, electric push rod; 602, displacement connecting frame; 603, displacement threaded rod one; 604, displacement threaded rod two; 605, clamping connecting plate; 606, locking nut; 607, stable slide rail; 608, stable slide block; 609, stable connecting rod; 610, clamping ring plate; 611, rebound apparatus body. DETAILED DESCRIPTION

[0023] The specific embodiments of the present application will be further described below with reference to the drawings. Identical parts are denoted by identical reference numerals in the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0024] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. Identical parts are denoted by identical reference numerals.

[0025] The present embodiment provides a rebound method for detecting the compressive strength of concrete, which comprises a bottom plate 1, a moving assembly 2 arranged on the top surface of the bottom plate 1, a clamping assembly 3 arranged on the moving assembly 2, a sliding assembly 4 arranged on the top surface of the bottom plate 1, a driving assembly 5 arranged on the sliding assembly 4, and a displacement assembly 6 arranged on the side of the sliding assembly 4 away from the driving assembly 5.

[0026] In the present embodiment, the moving assembly 2 is used to realize the horizontal movement of the clamping assembly 3 on the bottom plate 1. Specifically, the moving assembly 2 comprises moving slide rails one 201 and two 202 arranged on the top surface of the bottom plate 1, and the two slide rails are parallel to each other. A moving slide block 203 is arranged to slide in the moving slide rails one 201 and two 202, and the slide block 203 can smoothly slide in the slide rails. A moving support frame 204 is fixedly arranged on the top surface of the moving slide block 203, and is used to support the clamping assembly 3.

[0027] In order to adjust the position of the moving support frame 204, the side wall of the base plate 1 is provided with a moving connecting frame one 205 and a moving support frame two 206. A moving threaded rod 207 is rotatably arranged on the inner wall of the moving support frame two 206, one end of the moving threaded rod 207 penetrates through the moving connecting frame one 205 and is fixedly provided with a moving knob 208. A lead screw nut pair one 209 is threadedly connected on the moving threaded rod 207, and the lead screw nut pair one 209 is connected with the moving support frame 204 through a moving connecting rod 210. When the moving knob 208 is rotated, the moving threaded rod 207 is rotated, and through the transmission action of the lead screw nut pair one 209, the moving support frame 204 and the clamping assembly 3 above are pushed to move horizontally on the base plate 1

[0028] In the embodiment, the clamping assembly 3 is used for fixing the concrete blocks, and the clamping assembly 3 includes a vertical plate one 301 and a vertical plate two 302 which are symmetrically arranged above the moving support frame 204. A guide rod 303 is arranged between the two vertical plates, the guide rod 303 is sleeved with a clamping shaft sleeve 304, and the clamping shaft sleeve 304 is fixedly provided with a clamping plate 305 through a connecting rod.

[0029] In order to adjust the distance between the clamping plates 305 to adapt to concrete blocks of different sizes, a clamping threaded rod 306 is threadedly connected on the vertical plate one 301. One end of the clamping threaded rod 306 is rotatably arranged on the outer wall of the clamping plate 305, and the other end is fixedly provided with a clamping knob 307. When the clamping knob 307 is rotated, the clamping threaded rod 306 is rotated, and the clamping plate 305 is pushed to move along the guide rod 303, so as to adjust the distance between the clamping plates 305.

[0030] In the embodiment, the sliding assembly 4 is used for realizing the vertical movement of the driving assembly 5 and the displacement assembly 6 on the base plate 1. The sliding assembly 4 includes a sliding vertical plate 401 which is fixedly arranged above the base plate 1, and a sliding slide rail 402 is arranged in the sliding vertical plate 401. A sliding sliding block 403 is slidably arranged in the sliding slide rail 402, and a sliding connecting plate 404 is fixedly arranged on one side of the sliding sliding block 403. The sliding connecting plate 404 is used for connecting the driving assembly 5 and the displacement assembly 6, so as to realize the vertical movement of them.

[0031] In the embodiment, the driving assembly 5 is used for driving the sliding assembly 4 and the displacement assembly 6 above to move vertically. The driving assembly 5 comprises a horizontal plate 501 fixedly arranged on the outer wall of the sliding vertical plate 401, and a driving motor 502 arranged on the horizontal plate 501. A driving threaded rod 503 is fixedly arranged on the output end of the driving motor 502, and one end of the driving threaded rod 503 is rotatably arranged on the bottom plate 1. A screw nut pair two 504 is threadedly connected to the driving threaded rod 503, and the screw nut pair two 504 and the sliding sliding block 403 are connected through a driving connecting rod 505. When the driving motor 502 rotates, the driving threaded rod 503 rotates, and the sliding sliding block 403 and the sliding connecting plate 404 above are pushed to move vertically through the transmission of the screw nut pair two 504. In the embodiment, the driving motor 502 is a reversible motor, and can realize the up-down movement in the vertical direction.

[0032] In the embodiment, the displacement assembly 6 is used for further adjusting the position of the rebound instrument body 611, and ensuring that the rebound instrument body 611 can accurately contact the concrete surface to be detected. The displacement assembly 6 comprises electric push rods 601 symmetrically arranged on the outer wall of the sliding connecting plate 404, and a displacement connecting frame 602 fixedly arranged on the telescopic end of the electric push rod 601. Displacement threaded rods one 603 and displacement threaded rods two 604 are symmetrically arranged on the displacement connecting frame 602, and a clamping connecting plate 605 is inserted on the two threaded rods. The position of the clamping connecting plate 605 on the displacement threaded rods one 603 and the displacement threaded rods two 604 can be adjusted through a rotating locking nut 606.

[0033] In order to ensure the stability of the clamping connecting plate 605 during movement, a stable sliding rail 607 is arranged on the inner wall of the displacement connecting frame 602, and a stable sliding block 608 is slidably arranged in the stable sliding rail 607. The stable sliding block 608 and the clamping connecting plate 605 are connected through a stable connecting rod 609. A clamping ring plate 610 is arranged on the inner wall of the clamping connecting plate 605, and the rebound instrument body 611 is clamped between the clamping ring plates 610. The rebound instrument body 611 can be stably clamped by adjusting the position of the clamping connecting plate 605, and the rebound instrument body 611 can accurately contact the concrete surface to be detected.

[0034] The above is only a preferred embodiment of the utility model patent, and does not limit the utility model patent. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model patent should be included in the protection scope of the utility model patent.

Claims

1. A rebound hammer for detecting the compressive strength of concrete by rebound method, comprising a base plate (1), characterized in that, The bottom plate (1) is provided with a moving assembly (2), the moving assembly (2) is provided with a clamping assembly (3), the bottom plate (1) is provided with a sliding assembly (4), the sliding assembly (4) is provided with a driving assembly (5), and the side, away from the driving assembly (5), of the sliding assembly (4) is provided with a displacement assembly (6); The moving assembly (2) comprises a moving sliding rail one (201) and a moving sliding rail two (202) formed in the upper end face of the bottom plate (1), a moving sliding block (203) is slidably arranged in the moving sliding rail one (201) and the moving sliding rail two (202), a moving support frame (204) is arranged on the upper face of the moving sliding block (203), a moving connecting frame one (205) and a moving support frame two (206) are arranged on the side wall of the bottom plate (1), a moving threaded rod (207) is rotatably arranged on the inner wall of the moving support frame two (206), a moving knob (208) is fixedly arranged on the end, away from the inner wall of the moving support frame two (206), of the moving threaded rod (207) and penetrates through the moving connecting frame one (205), a lead screw nut pair one (209) is threadedly connected to the moving threaded rod (207), and a moving connecting rod (210) is arranged between the lead screw nut pair one (209) and the moving support frame (204).

2. The rebound number detector for detecting the compressive strength of concrete according to claim 1, wherein The clamping assembly (3) comprises a vertical plate one (301) and a vertical plate two (302) symmetrically arranged on the upper face of the moving support frame (204), a guide rod (303) is arranged between the vertical plate one (301) and the vertical plate two (302), a clamping shaft sleeve (304) is sleeved on the guide rod (303), a clamping plate (305) is arranged between the clamping shaft sleeves (304), a clamping threaded rod (306) is threadedly connected to the vertical plate one (301), and one end of the clamping threaded rod (306) is rotatably arranged on the outer wall of the clamping plate (305).

3. The rebound number detector for detecting the compressive strength of concrete by rebound method according to claim 2, wherein The sliding assembly (4) comprises a sliding vertical plate (401) fixedly arranged on the upper face of the bottom plate (1), a sliding sliding rail (402) is formed in the sliding vertical plate (401), and a sliding sliding block (403) is slidably arranged in the sliding sliding rail (402).

4. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 3, characterized in that, The driving assembly (5) comprises a horizontal plate (501) fixedly arranged on the outer wall of the sliding vertical plate (401), a driving motor (502) is arranged on the upper face of the horizontal plate (501), a driving threaded rod (503) is fixedly arranged on the output end of the driving motor (502), the end, away from the output end of the driving motor (502), of the driving threaded rod (503) is rotatably arranged on the upper face of the bottom plate (1), a lead screw nut pair two (504) is threadedly connected to the driving threaded rod (503), and a driving connecting rod (505) is arranged between the lead screw nut pair two (504) and the sliding sliding block (403).

5. The rebound number detector for detecting the compressive strength of concrete by rebound method according to claim 4, wherein The displacement assembly (6) comprises electric push rods (601) symmetrically arranged on the outer wall of the sliding connecting plate (404), one end of each electric push rod (601) away from the outer wall of the sliding connecting plate (404) is fixedly provided with a displacement connecting frame (602), the displacement connecting frame (602) is symmetrically provided with a displacement threaded rod one (603) and a displacement threaded rod two (604), the displacement threaded rod one (603) and the displacement threaded rod two (604) are inserted with clamping connecting plates (605), the displacement threaded rod one (603) and the displacement threaded rod two (604) are threadedly connected with lock nuts (606), the inner wall of the displacement connecting frame (602) is provided with stable sliding rails (607), the stable sliding rails (607) are slidably provided with stable sliding blocks (608), the stable sliding blocks (608) and the clamping connecting plates (605) are provided with stable connecting rods (609), the inner wall of the clamping connecting plate (605) is provided with clamping ring plates (610), and the clamping ring plates (610) are clamped with the springback bomb body (611) therebetween.

6. The rebound number detector for detecting the compressive strength of concrete by rebound method according to claim 4, wherein The driving motor (502) is a reversible motor.

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