Concrete compressive strength detection device

Abstract

The utility model discloses a concrete compressive strength detection device which comprises a supporting top plate, a supporting bottom plate and a concrete test piece positioning device, and four supporting columns are arranged between the supporting top plate and the supporting bottom plate; the concrete test piece positioning device comprises connecting plates, a shelving plate and a positioning rod; the connecting plates are respectively welded on one group of two supporting columns which are arranged diagonally; a rotatable connector is arranged on the connecting plate; one end of the positioning rod is provided with a thread and is fixedly connected with the rotatable connector; a right-angle limiting plate is arranged at the other end of the positioning rod; a circular track is arranged in the middle of the supporting bottom plate, a telescopic assembly is arranged below the adjustable camera, supporting legs are arranged on the periphery of the end of the telescopic assembly, and spring connecting rods are arranged between the supporting legs and the telescopic assembly. The concrete compressive strength detection device disclosed by the utility model can be used for accurately positioning the concrete test piece, so that the multi-point compressive strength of the concrete test piece can be simultaneously detected, and the test efficiency and the precision of a test result are improved.

Description

Technical Field

[0001] The utility model relates to a concrete detection device, in particular to a concrete compressive strength detection device. Background Art

[0002] Concrete is one of the indispensable raw materials in modern construction projects. Its compressive strength is one of the most basic properties of concrete and also the most important physical property of concrete. The physical properties of concrete are closely related to the quality and durability of concrete projects in construction projects, and are directly related to the quality and safety of the entire construction project.

[0003] Concrete compressive strength testing is the most basic item in concrete performance testing. For concrete compressive strength testing, the current compressive strength testing device lacks the positioning of concrete specimens before the test, resulting in certain errors in the test results; in addition, traditional compressive strength testing devices are difficult to achieve the technology of multi-point simultaneous measurement of the compressive strength of concrete specimens, and the test efficiency is low.

[0004] Therefore, this patent proposes a concrete compressive strength testing device to accurately position the concrete specimen, realize simultaneous measurement of the compressive strength of multiple points of the concrete specimen, and improve the efficiency of the test and the accuracy of the test results. Utility Model Content

[0005] The utility model aims to provide a concrete compressive strength detection device in view of the problems of concrete detection devices.

[0006] In order to achieve the above technical objectives, the utility model adopts the following technical solutions:

[0007] The concrete compressive strength testing device comprises a supporting top plate, a supporting bottom plate, and a concrete specimen positioning device. Four supporting columns are arranged between the supporting top plate and the supporting bottom plate. A lifting cylinder is arranged at the center of the supporting bottom plate. A pressure sensor is arranged at the upper end of the lifting cylinder. The concrete specimen is placed on the pressure sensor.

[0008] The concrete specimen positioning device comprises a connecting plate, a shelf plate, and a positioning rod. The connecting plates are respectively welded to one group of two diagonally arranged supporting columns, and the shelf plates are respectively arranged on another group of two diagonally arranged supporting columns; a rotatable connector is arranged on the connecting plate, and one end of the positioning rod is provided with a thread and fixedly connected to the rotatable connector; a right-angle limit plate is arranged at the other end of the positioning rod;

[0009] A circular track is arranged in the middle of the supporting base plate, a telescopic assembly is arranged below the adjustable camera, supporting feet are arranged around the ends of the telescopic assembly, the upper ends of the supporting feet are hinged to the telescopic assembly, and a spring connecting rod is arranged between the supporting feet and the telescopic assembly; an arc-shaped limit block is arranged at the bottom of the telescopic assembly, and the arc-shaped limit block is placed in the circular track.

[0010] Preferably, the positioning rod is rotated in a horizontal plane via a rotatable connector.

[0011] Preferably, the positioning rods are rotated during positioning so that the right-angle limit plates on the two positioning rods support two diagonal positions on the concrete specimen.

[0012] Preferably, the cross section of the arc-shaped limit block is semicircular.

[0013] The utility model has the following characteristics and beneficial effects:

[0014] 1. The utility model is provided with a concrete specimen positioning device, which accurately positions the concrete specimen through a right-angle limit plate, thereby ensuring the accurate placement of the specimen and improving the test efficiency.

[0015] 2. The utility model adopts multi-point synchronous measurement technology of the specimen, and flexibly adjusts the relative position of the camera through the circular track, thereby realizing multi-point synchronous measurement of the compressive strength of the concrete specimen, and improving the accuracy and efficiency of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a concrete specimen positioning device;

[0017] Figure 2 It is a structural schematic diagram of the multi-point synchronous measurement of compressive strength of concrete specimens;

[0018] Figure 3 yes Figure 1 A is an enlarged schematic diagram;

[0019] Figure 4 It is a schematic diagram of the structure of the adjustable camera when it is unfolded;

[0020] Figure 5 It is a schematic diagram of the structure when the adjustable camera is closed.

[0021] In the figure: 4-support column, 6-support top plate, 10-pressure sensor, 11-lifting cylinder, 13-support bottom plate, 53-concrete specimen, 67-connecting plate, 68-positioning rod, 69-shelf plate, 70-right angle limit plate, 71-circular track, 72-rotatable connector, 73-adjustable camera, 74-lens, 75-laser positioning beam, 76-spring connecting rod, 77-arc limit block, 78-support foot, 79-telescopic component DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with embodiments, wherein conventional construction methods such as installation and welding are not described in detail. The description of the following embodiments is only used to help understand the present invention. It should be noted that, for those of ordinary skill in the art, several improvements and modifications may be made to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

[0023] Figure 1 It is a structural schematic diagram of a concrete specimen positioning device; Figure 2 It is a structural schematic diagram of the multi-point synchronous measurement of compressive strength of concrete specimens; Figure 3 yes Figure 1 A is an enlarged schematic diagram; Figure 4 It is a schematic diagram of the structure of the adjustable camera when it is unfolded; Figure 5 It is a schematic diagram of the structure when the adjustable camera is closed.

[0024] As shown in the figures, the concrete compressive strength detection device includes a support column 4, a support top plate 6, a pressure sensor 10, a lifting cylinder 11, a support bottom plate 13, a concrete specimen 53, a connecting plate 67, a positioning rod 68, a shelf plate 69, a right-angle limit plate 70, a circular track 71, a rotatable connector 72, an adjustable camera 73, a lens 74, a spring connecting rod 76, an arc limit block 77, a support leg 78, and a telescopic component 79; the concrete compressive strength detection device is provided with a concrete specimen positioning device, and the concrete compressive strength detection device adopts a specimen multi-point synchronous measurement technology.

[0025] Four support columns 4 are arranged between the support bottom plate 13 and the support top plate 6. A lifting cylinder 11 is arranged at the center of the support bottom plate 13. A pressure sensor 10 is arranged at the upper end of the lifting cylinder 11. The concrete specimen 53 is placed on the pressure sensor 10. The concrete specimen positioning device includes a connecting plate 67, a shelf plate 69, and a positioning rod 68. The connecting plates 67 are respectively welded on one group of two diagonally arranged support columns 4, and the shelf plates 69 are respectively arranged on another group of two diagonally arranged support columns 4. A rotatable connector 72 is arranged on the connecting plate 67. The end of one end of the positioning rod 68 is provided with a thread and fixedly connected with the rotatable connector 72. The positioning rod 68 can be rotated in a horizontal plane through the rotatable connector 72; a right-angle limit plate 70 is arranged at the other end of the positioning rod 68, and the two positioning rods 68 have the same length. Before the test begins, the right-angle limit plate 70 is placed on the shelf plate 69; the pressure sensor 10 is set above the lifting cylinder 11, and the concrete specimen 53 is placed on the pressure sensor 10. By rotating the positioning rod 68, the right-angle limit plates 70 on the two positioning rods 68 are supported against two diagonal positions on the concrete specimen 53, and the position of the concrete specimen 53 on the pressure sensor 10 is accurately positioned by the right-angle limit plates 70.

[0026] A circular track 71 is provided in the middle of the support base plate 13, a telescopic assembly 79 is provided below the adjustable camera 73 for adjusting the relative position of the adjustable camera 73, supporting feet 78 are provided around the ends of the telescopic assembly 79, and a spring connecting rod 76 is provided between the supporting feet 78 and the telescopic assembly 79 to strengthen the connection of the structure; an arc-shaped limit block 77 is provided at the bottom of the telescopic assembly 79, and the cross section of the arc-shaped limit block 77 is semicircular, and the arc-shaped limit block 77 is placed in the circular track 71; during the concrete compressive strength test, after the position of the concrete specimen 53 is accurately positioned by the right-angle limit plate 70, the right-angle limit plate 70 is repositioned. Place it on the shelf 69, place the arc limit block 77 in the circular track 71, adjust the relative position of the two adjustable cameras 73, then unfold the support legs 78, fix the cameras through the support legs 78, and use the infrared laser positioning beams 75 emitted by the two adjustable cameras 73 to locate the points of the specimen where the pressure needs to be tested. After the test starts, the lens 74 on the adjustable camera 73 will capture the pressure changes at the positioning points and transmit them to the computer to analyze the compressive strength of different points of the specimen, so as to achieve the purpose of synchronously measuring the compressive strength of the concrete specimen at multiple points and improve the test efficiency and the accuracy of the test results.

Claims

1. A concrete compressive strength testing device, characterized in that: It comprises a supporting top plate (6), a supporting bottom plate (13), and a concrete specimen positioning device, wherein four supporting columns (4) are arranged between the supporting top plate (6) and the supporting bottom plate (13), a lifting cylinder (11) is arranged at the center of the supporting bottom plate (13), a pressure sensor (10) is arranged at the upper end of the lifting cylinder (11), and the concrete specimen (53) is placed on the pressure sensor (10); The concrete specimen positioning device comprises a connecting plate (67), a shelf plate (69), and a positioning rod (68); the connecting plate (67) is respectively welded to one group of two diagonally arranged supporting columns (4); the shelf plates (69) are respectively arranged on another group of two diagonally arranged supporting columns (4); a rotatable connector (72) is arranged on the connecting plate (67); one end of the positioning rod (68) is provided with a thread and fixedly connected to the rotatable connector (72); and a right-angle limit plate (70) is arranged at the other end of the positioning rod (68); A circular track (71) is arranged in the middle of the supporting base plate (13), a telescopic assembly (79) is arranged below the adjustable camera (73), supporting feet (78) are arranged around the end of the telescopic assembly (79), the upper end of the supporting feet (78) is hinged to the telescopic assembly (79), and a spring connecting rod (76) is arranged between the supporting feet (78) and the telescopic assembly (79); an arc-shaped limit block (77) is arranged at the bottom of the telescopic assembly (79), and the arc-shaped limit block (77) is placed in the circular track (71).

2. The concrete compressive strength testing device according to claim 1, characterized in that: The positioning rod (68) is rotated in a horizontal plane through a rotatable connector (72).

3. The concrete compressive strength testing device according to claim 1, characterized in that: During positioning, the positioning rods (68) are rotated so that the right-angled limiting plates (70) on the two positioning rods (68) are supported against two diagonal positions on the concrete test piece (53).

4. The concrete compressive strength testing device according to claim 1, characterized in that: The cross section of the arc-shaped limiting block (77) is semicircular.

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