Concrete crack resistance testing device

Abstract

The utility model discloses a concrete crack resistance testing device, and belongs to the technical field of concrete detection devices. Comprising a box; a placing plate controlled by a motor to move is arranged in the middle of the box body, a material pushing plate is arranged on one side of the box body, a temperature control mechanism is arranged on the other side of the box body, a hydraulic rod is arranged on the box body and located above the middle of the temperature control mechanism, and a water spraying mechanism is arranged on the other side of the box body. A pull-out baffle plate is arranged below the discharge hole of the box body; the placement plate is designed to be controlled by the motor to move and is matched with the material pushing plate, so that after concrete detection is completed, the motor is started to move the placement plate, the concrete can be pushed down by the material pushing plate and stored at the lower part of the box body, and after the device is used up, the baffle plate is pulled out, and chippings and water can be discharged.

Description

TECHNICAL FIELD

[0001] The utility model provides a kind of concrete crack resistance test device, belong to concrete detection device technical field. BACKGROUND

[0002] Concrete is a kind of composite material mixed by cement, water, sand and stone in certain proportion, it has good compressive strength, durability and plasticity, widely used in building, road, bridge and water conservancy engineering and other fields, concrete forms a solid structure in hardening process through cement hydration reaction, various admixtures and fibers can be added according to needs to improve its performance, such as improving crack resistance, enhancing corrosion resistance and increasing fluidity.

[0003] The utility model discloses a kind of concrete crack resistance detection devices, including box, hydraulic cylinder is arranged on the top surface in box, pressure sensor is arranged on the head of hydraulic cylinder, four cushion blocks are arranged on the bottom surface in box, clamping mechanism is arranged on cushion block, heater and refrigerator are respectively arranged on the both sides in box, temperature sensor is further arranged on the top surface in box, water tank is further arranged on the top surface of box, water pipe is arranged on the inner back of box, spray head is arranged on the front end of water pipe, rear end is communicated with water tank, water pump is arranged on water pipe, water pump is fixed on the outer back of box.

[0004] The above-mentioned patent can adjust and control temperature, and can wet the concrete block, can more truly simulate high temperature, low temperature and rain and other external environment, the detected result is more scientific, detection is carried out in closed environment, can avoid that concrete debris flies out, safety is better, can be used in concrete performance detection, but in actual use, debris and water can be left in box, when using device experiment, debris and water can flow to the body of surrounding personnel and ground when opening box door, cause influence to surrounding environment. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem that the existing device can influence surrounding environment when taking out material after use.

[0006] The utility model discloses to solve the above-mentioned problem, the technical scheme that the utility model provides is as follows: a kind of concrete crack resistance test device, including box;The middle part of box is equipped with the placement plate that moves by motor control, one side is equipped with push material plate, the other side is equipped with temperature control mechanism, the middle part above temperature control mechanism of box is equipped with hydraulic rod, the other side is equipped with water spraying mechanism, the lower end of hydraulic rod is equipped with pressure sensor, the middle part of the lower end of box is equipped with discharge port, the lower portion of discharge port of box is equipped with pull-out type baffle.

[0007] As improvement, the front of box is located above placement plate and is equipped with hinged glass door, the lower portion of box is respectively equipped with supporting leg in four corners;

[0008] As improvement, the motor is arranged at one side of the box body, and the output shaft is rotatably connected to two sides of the box body, the output shaft of the motor is provided with threads, the lower middle part of the placing plate is provided with a moving block which is threadedly connected with the output shaft of the motor, and the box body is provided with a sliding table at each of the two lower ends of the placing plate;

[0009] As improvement, the pushing plate is V-shaped in cross section, and the pushing plate is connected to one side of the box body through a connecting rod, and the lower end surface of the pushing plate is in the same plane with the upper end surface of the placing plate.

[0010] As improvement, the temperature control mechanism comprises a temperature insulation plate arranged at one side and an end surface of the box body, a heating plate and a refrigeration plate arranged on the temperature insulation plate respectively.

[0011] As improvement, the water spraying mechanism comprises a plurality of nozzles arranged at the upper end of the box body and located at one side of the pushing plate close to the middle part of the box body, the plurality of nozzles are communicated with the outlet of a pump body, and the inlet of the pump body is communicated with a water tank.

[0012] The device has the advantages that:

[0013] The temperature control mechanism and the water spraying mechanism arranged on the box body can simulate high temperature, low temperature and rain environment, the placing plate, the hydraulic rod and the pressure sensor arranged at the lower end of the hydraulic rod can exert pressure on the material during use, the pressure value can be obtained by reading the value of the pressure sensor, the placing plate is designed to be moved by the motor, and the pushing plate is used to make the concrete be pushed down by the pushing plate after the detection is completed, and the concrete is stored in the lower part of the box body, the blocking plate is extracted after the device is used, and the debris and water can be discharged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the concrete crack resistance test device.

[0015] Figure 2 It is a structural schematic view of the concrete crack resistance test device.

[0016] Figure 3 It is a state schematic view of the concrete crack resistance test device. Figure 1 .

[0017] Figure 4 It is a state schematic view of the concrete crack resistance test device. Figure 2 .

[0018] 1, box; 101, glass door; 102, leg; 2, motor; 3, placing plate; 301, moving block; 302, sliding table; 4, pushing plate; 401, connecting rod; 5, temperature control mechanism; 501, temperature insulation plate; 502, heating plate; 503, refrigeration plate; 6, hydraulic rod; 601, pressure sensor; 7, water spraying mechanism; 701, spray head; 702, pump body; 703, water tank; 8, baffle. DETAILED DESCRIPTION

[0019] The utility model is further explained below in connection with the drawings.

[0020] According to Figure 1 The utility model provides a concrete anti -cracking performance testing arrangement: including box 1, the front of box 1 is located above placing plate 3 and is equipped with the glass door 101 of hinged, and the lower four corners of box 1 are equipped with leg 102 respectively, so that concrete can be placed on placing plate 3 by opening glass door 101,

[0021] According to Figure 1 、 2 , 3, 4 show: the middle part of box 1 is equipped with placing plate 3 controlled moving by motor 2, and motor 2 is arranged at one side of box 1 and output shaft rotation connects both sides of box 1, and the output shaft of motor 2 is equipped with screw thread, and the lower middle part of placing plate 3 is equipped with moving block 301 with the output shaft screw thread connection of motor 2, and the lower both ends of box 1 are equipped with sliding table 302 below placing plate 3, so that placing plate 3 can be moved under the action of screw thread and moving block 301 by starting motor 2, and sliding table 302 can prevent placing plate 3 from tilting,

[0022] According to Figure 1 、 2 Show: one side of box 1 is equipped with pushing plate 4, and the other side is equipped with temperature control mechanism 5, and temperature control mechanism 5 includes temperature insulation plate 501 arranged at one side and end surface of box 1, heating plate 502 and refrigeration plate 503 arranged on temperature insulation plate 501 respectively, so that the temperature in box 1 can be reduced by starting heating plate 502 or refrigeration plate 503, to simulate high temperature or low temperature environment, and temperature insulation plate 501 can prevent heating plate 502 and refrigeration plate 503 from affecting box 1,

[0023] According to Figure 2 Show: the middle part of box 1 is equipped with hydraulic rod 6 above temperature control mechanism 5, and the lower end of hydraulic rod 6 is equipped with pressure sensor 601, so that when placing plate 3 with concrete is below hydraulic rod 6, the pressure on concrete can be exerted by extending hydraulic rod 6, and the pressure value can be obtained by reading the value of pressure sensor 601,

[0024] According to Figure 1 、 2As shown: the other side of the box 1 is provided with a water spraying mechanism 7, the water spraying mechanism 7 includes a plurality of spray heads 701 arranged on the upper end of the box 1 and located on the side of the pushing plate 4 close to the middle of the box 1, the plurality of spray heads 701 are communicated with the outlet of the pump body 702, and the inlet of the pump body 702 is communicated with the water tank 703; in this way, when the placing plate 3 on which the concrete is placed is moved to below the plurality of spray heads 701, the pump body 702 is started to spray the water in the water tank 703 to the concrete, so that the concrete is wetted, thereby simulating a rain environment;

[0025] According to Figure 2 , 3 , 4 shows that the lower end of the box 1 is provided with a discharge port, and the box 1 located below the discharge port is provided with a pull-out type baffle 8; the pushing plate 4 is V-shaped in cross section, the pushing plate 4 is connected to one side of the box 1 through a connecting rod 401, and the lower end surface of the pushing plate 4 is in the same plane as the upper end surface of the placing plate 3; in this way, after detection is completed, the placing plate 3 is moved, and the concrete will fall to the lower part of the box 1 under the action of the pushing plate 4, and when the device is used up, the baffle 8 is pulled out, so that the concrete and water can be discharged through the discharge port.

[0026] The principle of the utility model: in use, first open the glass door 101 and place the concrete on the placing plate 3, then close the glass door 101, when it is needed to simulate a high-temperature or low-temperature environment, start the motor 2, move the placing plate 3 to one end of the box 1 close to the control mechanism 5, then start the heating plate 502 or the refrigeration plate 503 to reduce the temperature in the box 1, thereby being able to simulate a high-temperature or low-temperature environment, when it is needed to simulate a rain environment, start the motor 2 to move the placing plate 3 to below the plurality of spray heads 701, then start the pump body 702 to spray the water in the water tank 703 to the concrete, so that the concrete is wetted, thereby being able to simulate a rain environment, then the motor 2 moves the placing plate 3 to below the hydraulic rod 6, then the hydraulic rod 6 is elongated to apply pressure to the concrete until the concrete cracks, then the pressure value can be obtained by reading the value of the pressure sensor 601, when detection is completed, the placing plate 3 is moved, and the placing plate 3 is moved to the pushing plate 4, until the pushing plate 4 sweeps the placing plate 3, in this way, the concrete and water on the placing plate 3 will fall to the lower part of the box 1, when the device is used up, a container is placed below the baffle 8, then the baffle 8 is pulled out, in this way, the concrete and water are discharged through the discharge port.

[0027] The utility model and its implementation mode have been described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A device for testing the crack resistance of concrete, comprising a box (1); characterized in that: The middle part of the box (1) is provided with a placing plate (3) which moves under the control of a motor (2), one side is provided with a pushing plate (4), the other side is provided with a temperature control mechanism (5), the middle part of the box (1) is provided with a hydraulic rod (6) above the temperature control mechanism (5), the other side is provided with a water spraying mechanism (7), the lower end of the hydraulic rod (6) is provided with a pressure sensor (601), the middle part of the lower end of the box (1) is provided with a discharge port, the lower part of the box (1) is provided with a pull type baffle (8) below the discharge port.

2. The concrete anti-cracking performance test device according to claim 1, characterized in that: The front of the box (1) is provided with a hinged glass door (101) above the placing plate (3), and the lower part of the box (1) is provided with a supporting leg (102) at each corner.

3. The device for testing the anti-cracking performance of concrete according to claim 1, characterized in that: The motor (2) is arranged on one side of the box (1) and the output shaft is rotatably connected to the two sides of the box (1), the output shaft of the motor (2) is provided with a screw thread, the middle part of the lower end of the placing plate (3) is provided with a moving block (301) which is screw connected with the output shaft of the motor (2), and the two ends of the box (1) below the placing plate (3) are respectively provided with a sliding table (302).

4. The concrete cracking resistance test device according to claim 1, characterized by: The pushing plate (4) is V-shaped in cross section, the pushing plate (4) is connected to one side of the box (1) through a connecting rod (401), and the lower end surface of the pushing plate (4) is in the same plane with the upper end surface of the placing plate (3).

5. The device for testing the anti-cracking performance of concrete according to claim 1, characterized in that: The temperature control mechanism (5) comprises a heat insulation plate (501) arranged on one side and the end face of the box (1), a heating plate (502) and a refrigeration plate (503) arranged on the heat insulation plate (501) respectively.

6. The device for testing the anti-cracking performance of concrete according to claim 1, characterized in that: The water spraying mechanism (7) comprises a plurality of nozzles (701) arranged on the upper end of the box (1) and located on one side of the pushing plate (4) close to the middle part of the box (1), a plurality of the nozzles (701) are communicated with the outlet of a pump body (702), and the inlet of the pump body (702) is communicated with a water tank (703).

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