Device for detecting crack resistance of recycled concrete

Abstract

The utility model belongs to the field of recycled concrete anti-cracking performance detection, and particularly relates to a recycled concrete anti-cracking performance detection device which comprises a rack, a sliding rail is arranged on the front side of the bottom of an inner cavity of the rack, two baffles are arranged on the top of the sliding rail, the front side of one baffle is movably connected with a positioning frame through a rotating shaft, and the front side of the other baffle is movably connected with a rotating shaft. A positioning rod is clamped to the right side of the positioning frame, and the rear side of the positioning rod is fixedly connected with the front side of the other baffle. Detection personnel can be protected by utilizing a baffle, a recycled concrete slab can be clamped and fixed by utilizing a clamping assembly, the situation that the position of the recycled concrete slab deviates in the detection process and the detection result is influenced is avoided, and the problems that an existing anti-cracking performance detection device does not have a protection function, and the detection result is influenced in the stamping detection process are solved. The problems that detection personnel are easily injured by splashing of concrete slab raw materials, and detection results are affected due to the fact that the position of the concrete slab deviates in the detection process in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the field of detection of crack resistance of recycled concrete, in particular to a device for detecting crack resistance of recycled concrete. Background Art

[0002] Recycled concrete refers to new concrete made by crushing, cleaning, and grading discarded concrete blocks, mixing them with grading in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel, and then adding cement, water, etc. After the production of recycled concrete is completed, its crack resistance needs to be tested using a stamping device.

[0003] The existing anti-cracking performance testing device does not have a protective function. During the stamping test, the concrete slab raw materials splash and easily injure the test personnel. In addition, during the test, the position of the concrete slab shifts, which will affect the test results. Therefore, a recycled concrete anti-cracking performance testing device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and solve the problems that the existing anti-cracking performance testing device does not have a protective function, during the stamping test process, the concrete slab raw material splashes and easily injures the test personnel, and during the test process, the position of the concrete slab shifts, which affects the test results, the utility model proposes a recycled concrete anti-cracking performance testing device.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a recycled concrete crack resistance performance detection device, comprising a frame, a slide rail is arranged on the front side of the bottom of the inner cavity of the frame, two baffles are arranged on the top of the slide rail, the front side of one of the baffles is movably connected with a positioning frame through a rotating shaft, a positioning rod is clamped on the right side of the positioning frame, the rear side of the positioning rod is fixedly connected to the front side of the other baffle, a hydraulic cylinder is fixedly connected to the top of the frame, the output end of the hydraulic cylinder passes through the inner cavity of the frame and is fixedly connected to the positioning plate, the bottom of the positioning plate is fixedly connected to a pressure block, and two clamping assemblies are arranged between the front and rear sides of the inner cavity of the frame;

[0006] The clamping assembly includes a fixing plate, the front and rear sides of which are fixedly connected to the inner wall of the frame, the inner cavity of the fixing plate is threadedly connected with a screw rod, the opposite sides of the two screw rods are fixedly connected with a rocker, and the opposite sides of the two screw rods are movably connected with a clamping plate.

[0007] Preferably, a bearing seat is sleeved on the surface of the screw rod, and the side of the bearing seat close to the clamping plate is fixedly connected to the clamping plate.

[0008] Preferably, the two clamping plates are fixedly connected to limiting rods on opposite sides, and the limiting rods extend from the side away from the clamping plates to the outside of the fixing plates.

[0009] By utilizing the limiting rod, the clamping plate can be limited to avoid the position of the clamping plate being shifted when in use.

[0010] Preferably, the bottoms of the two baffles are fixedly connected with sliders, and the bottoms of the sliders are movably connected to the inner walls of the slide rails.

[0011] Preferably, a slot is provided on the left side of one of the baffles, and an insert block is fixedly connected to the right side of the other baffle, and the slot and the insert block are used in conjunction with each other.

[0012] By utilizing the slot and the insert block to cooperate, the baffle can be limited to prevent the baffle from being offset when in use.

[0013] Preferably, the inner cavity of the baffle is provided with an observation window, and the observation window is made of transparent glass.

[0014] Preferably, both sides of the positioning plate are fixedly connected with sliding sleeves, the inner cavity of the sliding sleeves is movably connected with sliding rods, and the top of the sliding rods is fixedly connected to the inner wall of the frame.

[0015] The utility model is beneficial in that:

[0016] The utility model can protect the inspectors by utilizing the baffle plate, and can clamp and fix the recycled concrete slab by utilizing the clamping assembly, so as to avoid the position of the recycled concrete slab being shifted during the detection process, thereby affecting the detection result. The utility model solves the problem that the existing anti-cracking performance detection device does not have a protective function, and during the stamping detection process, the concrete slab raw material splashes and easily injures the inspectors, and during the detection process, the position of the concrete slab is shifted, thereby affecting the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of a device for detecting crack resistance of recycled concrete according to the utility model;

[0019] Figure 2 This is a structural expansion diagram of the recycled concrete anti-cracking performance detection device of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the frame and the clamping assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0022] Figure 5 This is a structural breakdown diagram of the baffle of the utility model.

[0023] In the figure: 1. frame; 2. slide rail; 3. baffle; 4. positioning frame; 5. positioning rod; 6. hydraulic cylinder; 7. positioning plate; 8. pressure block; 9. clamping assembly; 901. fixing plate; 902. screw rod; 903. rocker; 904. clamping plate; 905. bearing seat; 906. limit rod; 10. slider; 11. slot; 12. insert block; 13. observation window; 14. sleeve; 15. slide rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The following is combined with Figure 1-5 To further explain this application in detail,

[0026] The present application embodiment discloses a device for detecting the crack resistance of recycled concrete. Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A device for detecting crack resistance of recycled concrete comprises a frame 1, a slide rail 2 is arranged on the front side of the bottom of the inner cavity of the frame 1, two baffles 3 are arranged on the top of the slide rail 2, a positioning frame 4 is movably connected to the front side of one of the baffles 3 through a rotating shaft, a positioning rod 5 is clamped on the right side of the positioning frame 4, and the rear side of the positioning rod 5 is fixedly connected to the front side of the other baffle 3, a hydraulic cylinder 6 is fixedly connected to the top of the frame 1, an output end of the hydraulic cylinder 6 passes through the inner cavity of the frame 1 and is fixedly connected to a positioning plate 7, a pressure block 8 is fixedly connected to the bottom of the positioning plate 7, and two clamping components 9 are arranged between the front and rear sides of the inner cavity of the frame 1;

[0027] The clamping assembly 9 includes a fixing plate 901, the front and rear sides of which are fixedly connected to the inner wall of the frame 1, a screw rod 902 is threadedly connected to the inner cavity of the fixing plate 901, rockers 903 are fixedly connected to the opposite sides of the two screw rods 902, and clamps 904 are movably connected to the opposite sides of the two screw rods 902; by using the baffle 3, the inspection personnel can be protected, and by using the clamping assembly 9, the recycled concrete slab can be clamped and fixed to avoid the position of the recycled concrete slab being offset during the inspection process, thereby affecting the inspection results.

[0028] Reference Figure 4 A bearing seat 905 is sleeved on the surface of the screw rod 902, and the side of the bearing seat 905 close to the clamping plate 904 is fixedly connected to the clamping plate 904; by utilizing the bearing seat 905, the screw rod 902 can be limited and the rotation of the screw rod 902 is facilitated.

[0029] Reference Figure 4 The two opposite sides of the two splints 904 are fixedly connected to the limiting rod 906, and the side of the limiting rod 906 away from the splint 904 extends to the outside of the fixed plate 901; by using the limiting rod 906, the splint 904 can be limited to avoid the position of the splint 904 being offset during use.

[0030] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5 The bottom of the two baffles 3 are fixedly connected with a slider 10, and the bottom of the slider 10 is movably connected to the inner wall of the slide rail 2; by using the slider 10 and the slide rail 2, the baffle 3 can be limited and the movement of the baffle 3 is facilitated.

[0031] Reference Figure 5 A slot 11 is provided on the left side of one baffle plate 3, and an insert block 12 is fixedly connected to the right side of the other baffle plate 3. The slot 11 and the insert block 12 are used in conjunction with each other. By utilizing the slot 11 and the insert block 12 in conjunction with each other, the baffle plate 3 can be limited to prevent the baffle plate 3 from shifting in position when in use.

[0032] Reference Figure 1 and Figure 5 The inner cavity of the baffle 3 is provided with an observation window 13, and the observation window 13 is made of transparent glass; the observation window 13 made of transparent glass facilitates the inspection personnel to observe, and can also prevent the recycled concrete slab from splashing and injuring the inspection personnel.

[0033] Reference Figure 1 and Figure 2Both sides of the positioning plate 7 are fixedly connected with a sliding sleeve 14, the inner cavity of the sliding sleeve 14 is movably connected with a sliding rod 15, and the top of the sliding rod 15 is fixedly connected to the inner wall of the frame 1; by setting the sliding sleeve 14 and the sliding rod 15 in coordination, the positioning plate 7 can be limited and fixed to prevent the positioning plate 7 from shifting during use.

[0034] Working principle: When in use, the inspector places the recycled concrete slab at the bottom of the inner cavity of the frame 1, and then rotates the two rockers 903. The two rockers 903 drive the two screw rods 902 to rotate when rotating. The two screw rods 902 move in the inner cavity of the fixed plate 901, and drive the two clamping plates 904 to move in opposite directions. The two clamping plates 904 clamp and fix the recycled concrete slab when moving in opposite directions. After the fixation is completed, the inspector pulls the two baffles 3 in opposite directions, and fixes the two baffles 3 through the positioning frame 4 and the positioning rod 5, and then starts the hydraulic cylinder 6. The output end of the hydraulic cylinder 6 drives the positioning plate 7 and the pressure block 8 to move downward to test the crack resistance of the recycled concrete slab. During the detection process, the baffle 3 and the observation window 13 cooperate to not only facilitate the inspection personnel to observe, but also protect the inspection personnel to avoid splashing of the recycled concrete slab raw materials and injuring the inspection personnel.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A device for detecting crack resistance of recycled concrete, characterized in that: The invention comprises a frame (1), wherein a slide rail (2) is arranged at the front side of the bottom of the inner cavity of the frame (1), and two baffles (3) are arranged at the top of the slide rail (2), wherein the front side of one of the baffles (3) is movably connected to a positioning frame (4) via a rotating shaft, a positioning rod (5) is clamped on the right side of the positioning frame (4), and the rear side of the positioning rod (5) is fixedly connected to the front side of the other baffle (3), and a hydraulic cylinder (6) is fixedly connected to the top of the frame (1), and the output end of the hydraulic cylinder (6) passes through the inner cavity of the frame (1) and is fixedly connected to a positioning plate (7), and the bottom of the positioning plate (7) is fixedly connected to a pressure block (8), and two clamping assemblies (9) are arranged between the front side and the rear side of the inner cavity of the frame (1); The clamping assembly (9) comprises a fixing plate (901), the front side and the rear side of the fixing plate (901) are fixedly connected to the inner wall of the frame (1), the inner cavity of the fixing plate (901) is threadedly connected to a screw rod (902), the opposite sides of the two screw rods (902) are fixedly connected to a rocker (903), and the opposite sides of the two screw rods (902) are movably connected to a clamping plate (904).

2. A device for detecting crack resistance of recycled concrete according to claim 1, characterized in that: A bearing seat (905) is sleeved on the surface of the screw rod (902), and the side of the bearing seat (905) close to the clamping plate (904) is fixedly connected to the clamping plate (904).

3. A device for detecting crack resistance of recycled concrete according to claim 1, characterized in that: The two clamping plates (904) are fixedly connected to the limiting rods (906) on opposite sides thereof, and the limiting rods (906) extend through the outer side of the fixing plate (901) away from the clamping plates (904).

4. A device for detecting crack resistance of recycled concrete according to claim 1, characterized in that: The bottoms of the two baffles (3) are fixedly connected to a sliding block (10), and the bottom of the sliding block (10) is movably connected to the inner wall of the slide rail (2).

5. The device for detecting crack resistance of recycled concrete according to claim 1, characterized in that: A slot (11) is provided on the left side of one baffle (3), and an insert block (12) is fixedly connected to the right side of the other baffle (3), wherein the slot (11) and the insert block (12) are used in conjunction with each other.

6. The device for detecting crack resistance of recycled concrete according to claim 1, characterized in that: The inner cavity of the baffle (3) is provided with an observation window (13), and the observation window (13) is made of transparent glass.

7. The device for detecting crack resistance of recycled concrete according to claim 1, characterized in that: Both sides of the positioning plate (7) are fixedly connected with a sliding sleeve (14), the inner cavity of the sliding sleeve (14) is movably connected with a sliding rod (15), and the top of the sliding rod (15) is fixedly connected to the inner wall of the frame (1).

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