Mortar anti-cracking performance detection device

Abstract

The utility model discloses a mortar anti-cracking performance detection device, and belongs to the technical field of mortar detection, the mortar anti-cracking performance detection device comprises a detection table and a mounting rack, a first fixing plate and a second fixing plate are symmetrically mounted on the two sides of the upper surface of the detection table, and an electric telescopic rod is fixedly mounted on the side, close to the second fixing plate, of the first fixing plate; the telescopic end of the electric telescopic rod is fixedly connected with a moving plate; according to the device, the mortar template is extruded and fixed through the clamp unit, so that the mortar template is conveniently clamped between the clamp unit and the mortar template, a pulling force is applied to the moving plate through the telescopic motion of the electric telescopic rod, and the pulling force is applied to the mortar template through the moving plate, so that an anti-cracking performance test experiment is performed on the mortar template; the crack condition of the mortar template under the action of tensile force is monitored and recorded in real time through the detection camera, and the mortar crack resistance detection device is simple to operate, is not influenced by human factors, and ensures that the detection result is objective and accurate.

Description

Technical Field

[0001] This application relates to the technical field of mortar detection, and particularly to a device for detecting the crack resistance performance of mortar. Background Technique

[0002] Due to various shrinkage effects of the mortar material itself and the stress deformation of the base structure, once the tensile stress received is greater than the tensile strength of the mortar itself, cracks will inevitably occur in the mortar layer, thus affecting the quality and durability of the building structure. Therefore, the crack resistance of mortar is an important performance to ensure its long-term durable use. Admixtures such as expansive agents, functional fibers, and crack resistance agents can improve the crack resistance performance of mortar. Before the mortar is put into use, it is necessary to test the crack resistance performance of the mortar and observe the surface cracks and their development.

[0003] Currently, the commonly used method for detecting the crack resistance performance of mortar is to apply pressure or tension manually and observe the crack situation of the mortar specimen to evaluate its crack resistance performance. This method is cumbersome to operate and is greatly affected by human factors. The accuracy and reliability of the detection results need to be improved. Therefore, an improvement is now made to a device for detecting the crack resistance performance of mortar. Utility Model Content

[0004] Aiming at the deficiencies of the prior art, this application provides a device for detecting the crack resistance performance of mortar, which overcomes the deficiencies of the prior art and aims to solve the problems of complex operation, low detection efficiency, large influence of human operation on the detection results, and lack of objectivity and accuracy of the existing detection device.

[0005] To achieve the above object, this application provides the following technical solution: A device for detecting the crack resistance performance of mortar, including a detection table and a mounting frame. On both sides of the upper surface of the detection table, a first fixed plate and a second fixed plate are symmetrically installed. On the side of the first fixed plate close to the second fixed plate, an electric telescopic rod is fixedly installed. The telescopic end of the electric telescopic rod is fixedly connected to a moving plate. On both sides of the moving plate and the second fixed plate facing each other, placing plates are fixedly installed. Above the placing plates on both sides of the moving plate and the second fixed plate facing each other, clamping units are fixedly installed. Between the clamping units and the placing plates, there is a mortar template. Above the mortar template, there is a detection camera, which is fixedly installed on the lower surface of the mounting frame. On the upper surface of the detection table, below the mortar template, a support frame is fixedly installed.

[0006] By adopting the above technical solution, the mortar template is placed on the top of the placement plate, and the mortar template is squeezed and fixed by the fixture unit, so as to clamp the mortar template between the fixture unit and the mortar template. The electric telescopic rod makes a telescopic movement to apply a pulling force to the moving plate, and the moving plate applies the pulling force to the mortar template, so as to conduct a crack resistance performance test experiment on the mortar template. The crack condition of the mortar template under the action of the pulling force is monitored and recorded in real time by the detection camera. The mortar crack resistance performance detection device is simple to operate, not affected by human factors, and the detection result is objectively accurate.

[0007] As a preferred technical solution of the present application, the number of the fixture units is four, and the four fixture units are divided into two groups and symmetrically distributed above the placement plate.

[0008] By adopting the above technical solution, by setting a plurality of fixture units, the contact area with the mortar template is increased, and the clamping and fixing force is improved.

[0009] As a preferred technical solution of the present application, the fixture unit includes a positioning block, a fixing rod is threadedly connected to the upper end of the positioning block, the lower end of the fixing rod extends to the outside through the positioning block in a threaded manner, the bottom of the fixing rod abuts against the top of the mortar template, and the top of the placement plate abuts against the bottom of the mortar template.

[0010] By adopting the above technical solution, the mortar template is squeezed and abutted by rotating the fixing rod, and the mortar template is clamped between the fixture unit and the mortar template, so as to apply a pulling force to the mortar template subsequently.

[0011] As a preferred technical solution of the present application, a tensile force detector is fixedly installed on one side of the moving plate close to the second fixing plate, one end of the tensile force detector is fixedly connected with a sensing wire, and the other end of the sensing wire is fixedly connected with the second fixing plate.

[0012] By adopting the above technical solution, when the moving plate is driven to move by applying a tensile force to the moving plate through the electric telescopic rod, the tensile force received by the moving plate is transmitted to the tensile force detector through the arranged sensing wire. At this time, the tensile force received by the tensile force detector is the same as the tensile force received by the mortar template. Therefore, the tensile force received by the mortar template can be detected and recorded by the tensile force detector.

[0013] As a preferred technical solution of the present application, support blocks are fixedly connected to the opposite sides of the first fixing plate and the second fixing plate, and the vertical cross section of the support block is triangular.

[0014] By adopting the above technical solution, the support block plays a role in supporting and strengthening.

[0015] As a preferred technical solution of the present application, a hair dryer is fixedly installed on the upper surface of the mounting bracket. A metal hose is fixedly installed at the output port of the hair dryer, and the end of the metal hose is fixedly connected to a blowing port.

[0016] By adopting the above technical solution, the mortar template is blown by the hair dryer, the metal hose and the blowing port, so as to remove the dust on the upper surface of the mortar template and keep the upper surface of the mortar template clean, so that the detection camera can monitor and record the crack condition of the mortar template under the action of tensile force in real time.

[0017] As a preferred technical solution of the present application, a hollow groove is formed inside the support frame. A rotating rod is rotatably connected to the inner wall of the hollow groove, and a support roller is fixedly sleeved on the outer surface of the rotating rod.

[0018] By adopting the above technical solution, it is avoided that a large friction is generated between the mortar template and the support frame during the test.

[0019] As a preferred technical solution of the present application, the top of the support roller is on the same horizontal line as the top of the placement plate, and the top of the support roller abuts against the bottom of the mortar template.

[0020] By adopting the above technical solution, the support roller is used to support the bottom of the mortar template to reduce the influence of the self-gravity of the mortar template on the measurement result.

[0021] The beneficial effects of the present application:

[0022] In the present utility model, the mortar template is placed on the top of the placement plate, and the mortar template is squeezed and fixed by the fixture unit so as to clamp the mortar template between the fixture unit and the mortar template. The electric telescopic rod makes a telescopic movement to apply a tensile force to the moving plate, and the moving plate applies the tensile force to the mortar template, so as to conduct a crack resistance performance test experiment on the mortar template. The detection camera monitors and records the crack condition of the mortar template under the action of tensile force in real time. The mortar crack resistance detection device is simple to operate and is not affected by human factors, ensuring that the detection result is objective and accurate.

[0023] Referring to the following description and the drawings, specific embodiments of the present utility model are disclosed in detail, indicating the ways in which the principles of the present utility model can be adopted. It should be understood that the embodiments of the present utility model are not limited in scope thereby. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is the overall structural schematic diagram of the present application;

[0025] Figure 2 is the partial structural schematic diagram of the present application;

[0026] Figure 3 Schematic diagram of the connection between the hair dryer and the air outlet of the present application;

[0027] Figure 4 Internal schematic diagram of the support frame of the present application.

[0028] In the figure: 1, inspection table; 2, first fixed plate; 3, second fixed plate; 4, moving plate; 5, placement plate; 6, fixture unit; 61, positioning block; 62, fixed rod; 7, electric telescopic rod; 8, mounting bracket; 9, inspection camera; 10, support frame; 11, mortar formwork; 12, support block; 13, tensile detector; 14, sensing wire; 15, hair dryer; 16, metal hose; 17, air outlet; 18, rotating rod; 19, support roller. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0030] Refer to Figures 1-4 , a mortar anti-cracking performance detection device, including an inspection table 1 and a mounting bracket 8. On both sides of the upper surface of the inspection table 1, a first fixed plate 2 and a second fixed plate 3 are symmetrically installed. On the side of the first fixed plate 2 close to the second fixed plate 3, an electric telescopic rod 7 is fixedly installed. The telescopic end of the electric telescopic rod 7 is fixedly connected to a moving plate 4. On both sides of the moving plate 4 and the second fixed plate 3 facing each other, a placement plate 5 is fixedly installed. Above the placement plate 5 on both sides of the moving plate 4 and the second fixed plate 3 facing each other, a fixture unit 6 is fixedly installed. A mortar formwork 11 is arranged between the fixture unit 6 and the placement plate 5. Above the mortar formwork 11, an inspection camera 9 is arranged. The inspection camera 9 is fixedly installed on the lower surface of the mounting bracket 8. On the upper surface of the inspection table 1, below the mortar formwork 11, a support frame 10 is fixedly installed. When in use, place the mortar formwork 11 on the top of the placement plate 5, and fix the mortar formwork 11 by squeezing it with the fixture unit 6, so as to clamp the mortar formwork 11 between the fixture unit 6 and the mortar formwork 11. Apply a tensile force to the moving plate 4 through the telescopic movement of the electric telescopic rod 7, and apply the tensile force to the mortar formwork 11 through the moving plate 4, so as to conduct an anti-cracking performance test experiment on the mortar formwork 11. The inspection camera 9 is used to monitor and record the crack condition of the mortar formwork 11 under the action of the tensile force in real time. The mortar anti-cracking performance detection device is simple to operate and is not affected by human factors, ensuring the objectivity and accuracy of the detection results.

[0031] In this embodiment, asFigure 1 and 2 As shown in 2 , the number of clamping units 6 is four, and the four clamping units 6 are divided into two groups and symmetrically distributed above the placement plate 5. The clamping unit 6 includes a positioning block 61. A fixing rod 62 is threadedly connected to the upper end of the positioning block 61. The lower end of the fixing rod 62 threadedly penetrates through the positioning block 61 and extends to the outside. The bottom of the fixing rod 62 abuts against the top of the mortar formwork 11, and the top of the placement plate 5 abuts against the bottom of the mortar formwork 11. When in use, by arranging a plurality of clamping units 6, the contact area with the mortar formwork 11 is increased, and the clamping and fixing force is improved. By rotating the fixing rod 62, the mortar formwork 11 is squeezed and abutted, and the mortar formwork 11 is clamped between the clamping unit 6 and the mortar formwork 11, so as to facilitate applying a tensile force to the mortar formwork 11 subsequently.

[0032] In this embodiment, as Figure 1 and 2 As shown in 2 , a tensile force detector 13 is fixedly installed on one side of the moving plate 4 close to the second fixed plate 3. One end of the tensile force detector 13 is fixedly connected to a sensing wire 14, and the other end of the sensing wire 14 is fixedly connected to the second fixed plate 3. When in use, when a tensile force is applied to the moving plate 4 by the electric telescopic rod 7 to drive the moving plate 4 to move, the tensile force received by the moving plate 4 is transmitted to the tensile force detector 13 through the arranged sensing wire 14. At this time, the tensile force received by the tensile force detector 13 is the same as the tensile force received by the mortar formwork 11. Thus, the tensile force detector 13 can detect and record the tensile force received by the mortar formwork 11.

[0033] In this embodiment, as Figure 2 As shown in Figure 2 , support blocks 12 are fixedly connected to the opposite sides of the first fixed plate 2 and the second fixed plate 3. The vertical cross-section of the support block 12 is triangular. When in use, the support block 12 plays a role in supporting and strengthening.

[0034] In this embodiment, as Figure 3 As shown in Figure 3 , a hair dryer 15 is fixedly installed on the upper surface of the mounting frame 8. The output port of the hair dryer 15 is fixedly installed with a metal hose 16, and the end of the metal hose 16 is fixedly connected to a blowing port 17. When in use, through the hair dryer 15, the metal hose 16 and the blowing port 17, air is blown to the mortar formwork 11, so as to remove the dust on the upper surface of the mortar formwork 11 and keep the upper surface of the mortar formwork 11 clean, so as to facilitate the detection camera 9 to monitor and record the crack condition of the mortar formwork 11 under the action of tensile force in real time.

[0035] In this embodiment, as Figure 4As shown in the figure, an empty slot is opened inside the support frame 10. A rotating rod 18 is rotatably connected to the inner wall of the empty slot. A support roller 19 is fixedly sleeved on the outer surface of the rotating rod 18. The top of the support roller 19 is on the same horizontal line as the top of the placement plate 5. The top of the support roller 19 abuts against the bottom of the mortar formwork 11. During use, the support roller 19 is used to support the bottom of the mortar formwork 11, so as to reduce the influence of the self-gravity of the mortar formwork 11 on the measurement result and avoid large friction between the mortar formwork 11 and the support frame 10 during the test.

[0036] Working principle: When using a mortar crack resistance detection device of the present application, the mortar formwork 11 is placed on the top of the placement plate 5, and the mortar formwork 11 is squeezed and fixed by the fixture unit 6, so as to clamp the mortar formwork 11 between the fixture unit 6 and the mortar formwork 11. The electric telescopic rod 7 makes a telescopic movement to apply a pulling force to the moving plate 4, and the pulling force is applied to the mortar formwork 11 through the moving plate 4, so as to conduct a crack resistance test experiment on the mortar formwork 11. The crack condition of the mortar formwork 11 under the action of the pulling force is monitored and recorded in real time by the detection camera 9. This mortar crack resistance detection device is simple to operate and not affected by human factors, ensuring the objectivity and accuracy of the detection result.

[0037] The above are only the preferred embodiments of the present application and are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mortar anti-cracking performance detection device, comprising a detection table (1) and a mounting frame (8), characterized in that, On both sides of the upper surface of the detection table (1), a first fixed plate (2) and a second fixed plate (3) are symmetrically installed. On the side of the first fixed plate (2) close to the second fixed plate (3), an electric telescopic rod (7) is fixedly installed. The telescopic end of the electric telescopic rod (7) is fixedly connected to a moving plate (4). On the opposite sides of the moving plate (4) and the second fixed plate (3), placing plates (5) are fixedly installed. Above the placing plates (5) on the opposite sides of the moving plate (4) and the second fixed plate (3), clamping units (6) are fixedly installed. Between the clamping units (6) and the placing plates (5), a mortar template (11) is arranged. Above the mortar template (11), a detection camera (9) is arranged. The detection camera (9) is fixedly installed on the lower surface of the mounting frame (8). On the upper surface of the detection table (1) and below the mortar template (11), a support frame (10) is fixedly installed.

2. The mortar anti-cracking performance detection device according to claim 1, characterized in that, The number of the clamping units (6) is four, and the four clamping units (6) are divided into two groups and symmetrically distributed above the placing plate (5).

3. The mortar anti-cracking performance detection device according to claim 2, characterized in that, The clamping unit (6) includes a positioning block (61). A fixing rod (62) is threadedly connected to the upper end of the positioning block (61). The lower end of the fixing rod (62) threadedly penetrates through the positioning block (61) and extends to the outside. The bottom of the fixing rod (62) abuts against the top of the mortar template (11). The top of the placing plate (5) abuts against the bottom of the mortar template (11).

4. A mortar anti-cracking performance detection device according to claim 1, characterized in that On the side of the moving plate (4) close to the second fixed plate (3), a tensile force detector (13) is fixedly installed. One end of the tensile force detector (13) is fixedly connected to a sensing wire (14). The other end of the sensing wire (14) is fixedly connected to the second fixed plate (3).

5. The mortar anti-cracking performance detection device according to claim 1, characterized in that On the opposite sides of the first fixed plate (2) and the second fixed plate (3), a support block (12) is fixedly connected. The vertical cross-section of the support block (12) is triangular.

6. The mortar anti-cracking performance detection device according to claim 1, wherein, On the upper surface of the mounting frame (8), a hair dryer (15) is fixedly installed. The output port of the hair dryer (15) is fixedly installed with a metal hose (16). The end of the metal hose (16) is fixedly connected to a blowing port (17).

7. A mortar anti-cracking performance detection device according to claim 1, characterized in that, An empty slot is formed inside the support frame (10). A rotating rod (18) is rotatably connected to the inner wall of the empty slot. A support roller (19) is fixedly sleeved on the outer surface of the rotating rod (18).

8. A mortar anti-cracking performance detection device according to claim 7, characterized in that, The top of the support roller (19) is on the same horizontal line as the top of the placing plate (5). The top of the support roller (19) abuts against the bottom of the mortar template (11).

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