Constructional engineering concrete hardness detection device

Abstract

The utility model relates to the technical field of detection devices, in particular to a constructional engineering concrete hardness detection device which comprises a workbench, a supporting frame is fixedly connected to the surface of the workbench, a hydraulic rod is fixedly connected to the top of the supporting frame, and a pressing plate is fixedly connected to the output end of the hydraulic rod. The clamping blocks are pushed to move through the two electric push rods, so that the purpose of fixing a concrete sample is achieved, the concrete sample can be kept stable and cannot deviate when being subjected to a pressure test, the accuracy of the hardness test of the concrete sample is favorably improved, and meanwhile, the concrete sample can be fixed by pulling a handle upwards. The pull handle drives the pull rod and the plug pin to slide in the sleeve and extrudes the spring, so that the plug pin is separated from the interior of the square block, the purpose of relieving fixing of the clamping block is achieved, the proper clamping block can be conveniently replaced according to the shape and size specification of the concrete sample, and the purpose of stably clamping and fixing the samples of different shapes and specifications is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially relates to a kind of building engineering concrete hardness detection device. BACKGROUND

[0002] Concrete refers to cement as main cementitious material, with water, sand, stone, necessary time mixes into chemical admixture and mineral admixture, according to appropriate proportion, after uniform stirring, compacting and curing hardening, it is the artificial stone material of becoming, concrete is widely used in the construction industry of our country, and many buildings also have requirements to the hardness of concrete, so it needs to use hardness detection device.

[0003] However, the traditional concrete detection device has deficiencies in fixing concrete samples, which can easily cause displacement of the sample during testing or insufficient fixation, affecting the accuracy of the test results, and the traditional fixing method cannot replace the fixing device according to the shape of the sample, so the practicality of the detection device is not high. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem mentioned in the above background art, and proposes a kind of building engineering concrete hardness detection device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of building engineering concrete hardness detection device, including workbench, the surface of the workbench is fixedly connected with support frame, the top of the support frame is fixedly connected with hydraulic rod, the output end of the hydraulic rod is fixedly connected with pressing plate, the surface of the workbench is fixedly connected with electric push rod, the output end of the electric push rod is fixedly connected with fixed block, the inside of the fixed block is fixedly connected with square, the surface of the square is fixedly connected with clamping block, the surface of the square is fixedly connected with sleeve, the inside of the sleeve is slidably connected with bolt, the surface of the bolt is fixedly connected with pull rod, the surface of the pull rod is sleeved with spring, the surface of the fixed block is provided with insertion hole, the surface of the square is provided with limit hole, the bolt is inserted in the inside of limit hole.

[0006] Preferably, the surface of the workbench is engraved with cross line, and the cross line is located directly below the pressing plate.

[0007] Preferably, the number of electric push rods is two groups, and the two groups of electric push rods are symmetrically distributed on both sides of the middle part of the workbench.

[0008] Preferably, the arc surface of the clamping block is fixedly connected with protective pad, and the protective pad is made of elastic rubber material.

[0009] Preferably, the support frame is provided with a protective door and a protective plate around the periphery, the protective door is rotatably connected with the support frame, and the protective plate is slidably connected with the support frame.

[0010] Preferably, the surface of the protective plate is fixedly connected with a T-shaped rod, the surface of the support frame is provided with a T-shaped groove, the T-shaped rod is slidably connected in the T-shaped groove, the surface of the protective plate is fixedly connected with a circular pipe, the circular pipe is slidably connected with a lap rod in the inside, and the circular pipe is through the protective plate.

[0011] Compared with the prior art, the building engineering concrete hardness detection device has the advantages and positive effects that:

[0012] 1、In the utility model, the two electric push rods drive the clamping blocks to move, so that the concrete sample is fixed, can keep stable during pressure test, and will not deviate, which is favorable for improving the accuracy of concrete sample hardness test, and the handle is pulled upward, the handle drives the pull rod and the bolt to slide in the inside of the sleeve and extrude the spring, so that the bolt is separated from the inside of the block, the purpose of fixing the clamping block is achieved, the suitable clamping block can be replaced according to the shape and size of the concrete sample, the purpose of stably clamping and fixing the sample with different shapes and sizes is achieved, and the practicability and application range of the device are improved.

[0013] 2、In the utility model, the T-shaped rod on the protective plate slides in the T-shaped groove on the support frame, so that the protective plate is fixed, and the protective plate is pulled upward and the lap rod in the circular pipe is pushed, so that one end of the lap rod is lapped on the support frame, the purpose of opening the protective plate is achieved, and the sample crushed on the workbench is cleaned more conveniently and efficiently. ACCURACY

[0014] Figure 1 A building engineering concrete hardness detection device is shown in the utility model;

[0015] Figure 2 A building engineering concrete hardness detection device is shown in the utility model;

[0016] Figure 3 A building engineering concrete hardness detection device is shown in the utility model;

[0017] LEGEND:

[0018] 1. Workbench; 2. Support frame; 3. Protective plate; 4. Protective door; 5. Hydraulic rod; 6. Pressure plate; 7. Crosshair; 8. Electric push rod; 9. Fixing block; 10. Clamping block; 11. Protective pad; 12. Insertion hole; 13. Limiting hole; 14. Sleeve; 15. Pin; 16. Pull rod; 17. Spring; 18. Square block; 19. Round tube; 20. Overlapping rod; 21. T-shaped rod; 22. T-slot. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figure 1 - Figure 3 As shown, this utility model provides a technical solution: a concrete hardness testing device for building engineering, including a workbench 1, a support frame 2 fixedly connected to the surface of the workbench 1, a hydraulic rod 5 fixedly connected to the top of the support frame 2, a pressure plate 6 fixedly connected to the output end of the hydraulic rod 5, an electric push rod 8 fixedly connected to the surface of the workbench 1, a fixing block 9 fixedly connected to the output end of the electric push rod 8, a square block 18 fixedly connected inside the fixing block 9, a clamping block 10 fixedly connected to the surface of the square block 18, a sleeve 14 fixedly connected to the surface of the square block 18, a pin 15 slidably connected inside the sleeve 14, and a pull rod 16 fixedly connected to the surface of the pin 15. A spring 17 is fitted on the surface of the pull rod 16, an insertion hole 12 is opened on the surface of the fixing block 9, a limit hole 13 is opened on the surface of the block 18, and a pin 15 is inserted into the limit hole 13. A cross line 7 is engraved on the surface of the workbench 1, and the cross line 7 is located directly below the pressure plate 6. There are two sets of electric push rods 8, which are symmetrically distributed on both sides of the middle of the workbench 1. A protective pad 11 is fixedly connected to the arc surface of the clamping block 10. The protective pad 11 is made of elastic rubber. A protective door 4 and a protective plate 3 are provided around the support frame 2. The protective door 4 is rotatably connected to the support frame 2, and the protective plate 3 is slidably connected to the support frame 2.

[0022] In the embodiment, the purpose of fixing the concrete sample is achieved, so that the concrete sample can remain stable and not deviate when the pressure test is performed, which is beneficial to improve the accuracy of the concrete sample hardness test. At the same time, by pulling the handle upwards, the handle drives the pull rod 16 and the bolt 15 to slide in the inside of the sleeve 14 and press the spring 17, so that the bolt 15 is separated from the inside of the block 18. The purpose of fixing the clamping block 10 is achieved, which is convenient to replace the appropriate clamping block 10 according to the shape and size specifications of the concrete sample, and is beneficial to improve the purpose of stably clamping and fixing the sample of different shape specifications, improve the practicability and application range of the device. By setting the protective pad 11 on the arc surface of the clamping block 10, the clamping block 10 can be prevented from being worn and the friction force can be increased, so as to improve the stability of the sample fixation. By setting the protective door 4 and the protective plate 3 around the support frame 2, the safety accident caused by the sample sample flying around when the sample is crushed can be avoided.

[0023] Embodiment 2: as shown in Figure 2 The surface of the protective plate 3 is fixedly connected with a T-shaped rod 21, the surface of the support frame 2 is provided with a T-shaped groove 22, the T-shaped rod 21 is slidingly connected in the inside of the T-shaped groove 22, the surface of the protective plate 3 is fixedly connected with a circular tube 19, the inside of the circular tube 19 is slidingly connected with a lap rod 20, and the circular tube 19 is through the protective plate 3.

[0024] In the embodiment, by sliding the T-shaped rod 21 on the protective plate 3 in the inside of the T-shaped groove 22 on the support frame 2, the purpose of fixing the protective plate 3 and the support frame 2 together is achieved. At the same time, by pulling the protective plate 3 upwards and pushing the lap rod 20 in the circular tube 19, one end of the lap rod 20 is lapped on the support frame 2, the purpose of opening the protective plate 3 is achieved, which makes it more convenient and efficient to clean the crushed sample on the workbench 1 later.

[0025] The working principle of the embodiment is as follows: in use, first, the concrete sample is placed on the cross line 7 on the workbench 1, then the electric push rod 8 is started, the output end of the electric push rod 8 pushes the clamping block 10 to clamp and fix the concrete sample, so that the concrete sample can be kept stable during the pressure test and is not deviated, which is beneficial to improve the accuracy of the hardness test of the concrete sample; when the clamping block 10 clamps the sample, the protective pad 11 arranged on the arc surface of the clamping block 10 can prevent the clamping block 10 from being abraded and increase the friction force and the stability of the sample fixation; then the protective door 4 is closed and the hydraulic rod 5 is started, the output end of the hydraulic rod 5 pushes the pressing plate 6 to move downward and continuously extrude the sample to test the hardness thereof; if the sample is broken during the continuous extrusion, the protective door 4 and the protective plate 3 can block the sample test sample from splashing around when the sample is crushed to avoid safety accidents; the T-shaped rod 21 on the protective plate 3 slides in the T-shaped groove 22 on the support frame 2 to fix the protective plate 3 and the support frame 2 together, so that the protective plate 3 is prevented from being separated from the support frame 2 due to the impact of the broken pieces; meanwhile, the protective plate 3 is pulled upward and the lap rod 20 in the circular tube 19 is pushed, so that one end of the lap rod 20 is lapped on the support frame 2, the protective plate 3 is opened, and the sample crushed on the workbench 1 is cleaned more conveniently and efficiently; when it is necessary to replace the clamping block 10 according to the shape and size specification of the concrete sample, the handle is pulled upward, the handle drives the pull rod 16 and the bolt 15 to slide in the sleeve 14 and extrude the spring 17, so that the bolt 15 is separated from the inside of the block 18, then the clamping block 10 is taken off from the fixing block 9 and replaced, so that the clamping block 10 suitable for the shape and size specification of the concrete sample is conveniently replaced, the sample of different shapes and specifications is stably clamped and fixed, and the practicability and application range of the device are improved.

[0026] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still falls within the protection scope of the technical solution of the present application.

Claims

1. A device for detecting the hardness of construction engineering concrete, comprising a workbench (1), characterized in that: The surface of the workbench (1) is fixedly connected with a support frame (2), the top of the support frame (2) is fixedly connected with a hydraulic rod (5), the output end of the hydraulic rod (5) is fixedly connected with a pressing plate (6), the surface of the workbench (1) is fixedly connected with an electric push rod (8), the output end of the electric push rod (8) is fixedly connected with a fixed block (9), the inside of the fixed block (9) is fixedly connected with a square block (18), the surface of the square block (18) is fixedly connected with a clamping block (10), the surface of the square block (18) is fixedly connected with a sleeve (14), the inside of the sleeve (14) is slidably connected with a latch (15), the surface of the latch (15) is fixedly connected with a pull rod (16), the surface of the pull rod (16) is sleeved with a spring (17), the surface of the fixed block (9) is provided with a insertion hole (12), the surface of the square block (18) is provided with a limiting hole (13), and the latch (15) is inserted into the limiting hole (13).

2. The construction engineering concrete hardness detection device according to claim 1, characterized in that: The surface of the workbench (1) is engraved with a cross line (7), and the cross line (7) is located directly below the pressing plate (6).

3. The construction engineering concrete hardness detection device according to claim 1, characterized in that: The number of the electric push rod (8) is two groups, and the two groups of electric push rods (8) are symmetrically distributed on both sides of the middle part of the workbench (1).

4. The construction engineering concrete hardness detection device according to claim 1, characterized in that: The arc surface of the clamping block (10) is fixedly connected with a protective pad (11), and the protective pad (11) is made of elastic rubber material.

5. The construction engineering concrete hardness detection device according to claim 1, characterized in that: The periphery of the support frame (2) is provided with a protective door (4) and a protective plate (3), the protective door (4) is rotatably connected with the support frame (2), and the protective plate (3) is slidably connected with the support frame (2).

6. The construction engineering concrete hardness detection device according to claim 5, characterized in that: The surface of the protective plate (3) is fixedly connected with a T-shaped rod (21), the surface of the support frame (2) is provided with a T-shaped groove (22), the T-shaped rod (21) is slidably connected in the T-shaped groove (22), the surface of the protective plate (3) is fixedly connected with a circular tube (19), the inside of the circular tube (19) is slidably connected with a lap rod (20), and the circular tube (19) penetrates the protective plate (3).

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