An anti-cracking detection device for super-long and super-thick radiation-proof concrete

Abstract

The application provides a kind of super-long super-thick anti-radiation concrete crack detection device, belongs to the field of building construction technology.The technical scheme is: including workbench, the workbench is provided with a circular turntable, the turntable is provided with a plurality of installation slots distributed along the circumference, the installation slot penetrates the outer side arc surface of the turntable, and the concrete test block is placed in the installation slot;The workbench is provided with a U-shaped mounting bracket, and the mounting bracket is provided with an impact mechanism and a pressing mechanism used in cooperation with the concrete test block.The beneficial effects of the application are: the device has the advantages of simple structure, convenient use, easy maintenance and installation, etc.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of building construction, in particular to an ultra-long and ultra-thick radiation-proof concrete anti-cracking detection device. BACKGROUND

[0002] We find that the concrete pouring amount of the proton heavy ion area is large in the hospital construction process, the thickness of the proton heavy ion area wall and floor reaches 5 meters at the maximum, the thickness of the mass concrete of the project has far exceeded the conventional thickness, in order to reduce the hydration heat of the concrete and solve the temperature rise and anti-cracking problems of the mass concrete, a reasonable concrete mixing ratio is determined, and therefore a device for detecting whether the anti-cracking performance of the concrete meets the requirements is needed to accelerate the adjustment and optimization of the mixing ratio. SUMMARY

[0003] The application aims to provide an ultra-long and ultra-thick radiation-proof concrete anti-cracking detection device which is simple in structure, convenient to use, easy to maintain and install.

[0004] The application is realized through the following measures:

[0005] An ultra-long and ultra-thick radiation-proof concrete anti-cracking detection device is characterized in that a workbench is arranged, a rotating disc is arranged on the workbench, a plurality of mounting grooves are arranged on the rotating disc and distributed along the circumference, the mounting grooves penetrate the outer arc surface of the rotating disc, a concrete test block is arranged in the mounting groove, and the concrete test block is a test block with a reasonable mixing ratio.

[0006] A mounting frame in a U-shaped structure is arranged on the workbench, and an impact mechanism and a pressing mechanism which are used in cooperation with the concrete test block are arranged on the mounting frame.

[0007] The application has the following specific features:

[0008] The impact mechanism comprises a fixed disc arranged on the right side of the mounting frame, the fixed disc is fixed on the mounting frame through bolts, an impact cylinder is arranged on the fixed disc, an electric push rod is arranged on the inner side of the impact cylinder away from the bottom surface of the fixed disc, a top block is arranged at the free end of the electric push rod, a sleeve is arranged on the inner side of the impact cylinder through a support, the top block is slidingly arranged in the sleeve, a top rod is slidingly arranged in the inner side of the sleeve, a spring one is arranged between the top rod and the top block, one end of the spring one is fixed on the end face of the top block, and the other end of the spring one is fixed on the end face of the top rod.

[0009] A top head is arranged at the other end of the top rod away from the spring one, a sensor for detecting the pressure of the impact on the concrete test block is arranged in the top head, and through holes matched with the top rod and the top head are arranged on the fixed disc and the mounting frame.

[0010] The pressing mechanism comprises a hydraulic cylinder arranged on the left side of the upper end of the mounting frame, and a base plate one is arranged on the working end of the hydraulic cylinder downward through the mounting frame, and a pressing plate one is arranged on the lower side of the base plate one and matched with the concrete test block in the mounting groove, and the pressing plate one can press the concrete test block;

[0011] A guide device is arranged between the mounting frame and the base plate one, and the guide device comprises a cylinder arranged on the mounting frame, and a cylinder is arranged in the cylinder and slides, and the free end of the cylinder is arranged on the base plate one.

[0012] A downward pressing device matched with the concrete test block is further arranged on the right side of the upper end of the mounting frame, and the downward pressing device comprises a round rod penetrating through the mounting frame and slidingly matched with the mounting frame, a thread is arranged on the outer periphery of the round rod, a base plate two is arranged on the lower end of the round rod, a pressing plate two is arranged on the lower side surface of the base plate two and matched with the concrete test block in the mounting groove, a matched nut is arranged on the upper peripheral side of the round rod penetrating out of the mounting frame, a spring two is arranged on the outer periphery of the round rod, one end of the spring two is fixed on the mounting frame, and the other end of the spring two is fixed on the base plate two, when the impact cylinder is pushed towards the concrete, the downward pressing device can avoid overturning the concrete test block, when the downward pressing device needs to work, the nut is removed, the pressing plate two is pressed on the corresponding concrete test block under the action of the spring two, when the downward pressing device does not need to work, the pressing plate two is manually lifted up, and the round rod is locked by the nut, so that the pressing plate two is separated from the concrete test block in the mounting groove.

[0013] A skid-proof fixing device is arranged on the left side of the workbench surface, the skid-proof fixing device comprises a threaded hole arranged on the side surface of the workbench surface, a matched long bolt is arranged in the threaded hole, a rotating sleeve is rotatably arranged on the outer periphery of the long bolt, a backing plate is arranged on the rotating sleeve, the lower side surface of the backing plate is slidably attached to the workbench surface, a skid-proof plate is arranged on the backing plate, a rubber pad is arranged on the outer side surface of the rotating disc towards the skid-proof plate, and the rubber pad is close to the rotating disc by rotating the long bolt, until the rubber pad is attached to the outer side surface of the rotating disc, at this time, the backing plate is inserted into the gap between the rotating disc and the workbench surface, so that the rotation of the rotating disc can be prevented during detection.

[0014] Mounting holes are provided on both sides of the mounting groove. Clamping plates are slidably installed in the mounting holes on both sides. Several springs are provided between the clamping plates and the bottom surface of the corresponding mounting holes. One end of each spring is located on the clamping plate, and the other end is located on the bottom surface of the mounting hole. The clamping plates on both sides can clamp and fix the proportioned concrete test block placed in the mounting groove.

[0015] A motor is located directly below the center of the workbench. The output shaft of the motor extends upward through the workbench and is surrounded by a turntable. Specifically, a second mounting hole is provided at the center of the workbench, which is used to mount the output shaft of the motor.

[0016] The workbench surface is provided with several support legs on its lower side, and the support legs are equipped with casters to facilitate the movement of the device.

[0017] Working principle: During operation, the concrete test block is placed in the mounting groove and clamped by the two clamping plates. When the concrete test block is rotated to the left, the hydraulic cylinder works and the pressure plate presses down on the concrete test block to test its crack resistance. When the concrete test block moves to the impact cylinder on the right, an impact test is performed to test its crack resistance performance.

[0018] The beneficial effects of this invention are as follows:

[0019] This device boasts advantages such as simple structure, ease of use, and convenient maintenance and installation. By incorporating support legs beneath the worktable, the entire device becomes more stable, improving its seismic resistance. Multiple mounting slots on the turntable facilitate the securing of concrete test blocks, preventing slippage and ensuring accurate test results. An electric actuator and sensor are installed inside the impact cylinder to detect the crack resistance of the concrete.

[0020] The device uses a motor to drive the turntable to rotate, allowing multiple mounting slots to fix the concrete test blocks to be tested. It is simple and convenient to operate and improves the testing efficiency. The worktable device is equipped with springs and bolts, which play a buffering role and reduce the impact of external factors on the concrete test blocks. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention.

[0022] Figure 2 This is a schematic diagram of the turntable structure in an embodiment of the present invention.

[0023] Figure 3 This is a schematic diagram of the impact mechanism in an embodiment of the present invention.

[0024] Wherein, the reference signs are: 1, workbench surface; 2, motor; 3, support leg; 4, turntable; 5, mounting groove; 6, mounting hole two; 7, spring three; 8, clamping plate; 9, mounting frame; 10, fixed disc; 11, bolt; 12, impact cylinder; 13, electric push rod; 14, top block; 15, sleeve; 16, ejector pin; 17, ejector pin head; 18, backing plate; 19, nonslip plate; 20, rotating sleeve; 21, long bolt; 22, hydraulic cylinder; 23, base plate one; 24, pressing plate one; 25, round rod; 26, base plate two; 27, pressing plate two. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0027] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0028] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0029] Embodiment 1

[0030] Reference Figure 1The utility model provides a kind of super-long super-thick anti-radiation concrete crack detection device, including workbench 1, workbench 1 is provided with circular carousel 4, carousel 4 is provided with several installation grooves 5 distributed along circumference, installation groove 5 penetrates the outside arc surface of carousel 4, concrete test block is placed in installation groove 5, and concrete test block is well-proportioned test block;

[0031] Workbench 1 is provided with the mounting bracket 9 of U-shaped structure, and the mounting bracket 9 is provided with the impact mechanism and the compression mechanism used in cooperation with the concrete test block.

[0032] Embodiment 2

[0033] Reference Figures 1-3 The utility model provides a kind of super-long super-thick anti-radiation concrete crack detection device, including workbench 1, workbench 1 is provided with circular carousel 4, carousel 4 is provided with several installation grooves 5 distributed along circumference, installation groove 5 penetrates the outside arc surface of carousel 4, concrete test block is placed in installation groove 5, and concrete test block is well-proportioned test block;

[0034] Workbench 1 is provided with the mounting bracket 9 of U-shaped structure, and the mounting bracket 9 is provided with the impact mechanism and the compression mechanism used in cooperation with the concrete test block.

[0035] The impact mechanism includes the fixed disc 10 arranged on the right side of the mounting bracket 9, the fixed disc 10 is fixed on the mounting bracket 9 by bolt 11, the fixed disc 10 is provided with impact cylinder 12, the inside of impact cylinder 12 is provided with electric push rod 13 away from the bottom surface of fixed disc 10, the free end of electric push rod 13 is provided with top block 14, the inside of impact cylinder 12 is provided with sleeve 15 in the middle part through support, top block 14 is slidably arranged in sleeve 15, sleeve 15 is slidably arranged with top rod 16, spring one is arranged between top rod 16 and top block 14, one end of spring one is fixed on the end face of top block 14, the other end of spring one is fixed on the end face of top rod 16;

[0036] The other end of top rod 16 away from spring one is provided with top head 17, sensor for detecting the pressure of impact concrete test block is installed in top head 17, fixed disc 10 and mounting bracket 9 are provided with through hole matched with top rod 16 and top head 17.

[0037] The compression mechanism includes hydraulic cylinder 22 arranged on the left side of the upper end of the mounting bracket 9, and the working end of the hydraulic cylinder 22 passes through the mounting bracket 9 downward to be provided with base plate one 23, the lower side of the base plate one 23 is provided with the pressing plate one 24 matched with the concrete test block in the installation groove 5, and the pressing plate one 24 can press the concrete test block.

[0038] The guide device is arranged between the mounting bracket 9 and the base plate one 23, and the guide device includes a cylinder arranged on the mounting bracket 9, and a cylindrical rod is slidably arranged in the cylinder.

[0039] Embodiment 3

[0040] Referring to Figures 1-3 The application discloses a long and thick anti-radiation concrete crack detection device, which comprises a workbench 1, a circular rotating disc 4 arranged on the workbench 1, a plurality of mounting grooves 5 arranged on the rotating disc 4 and distributed along the circumference, the mounting grooves 5 penetrating through the outer arc surface of the rotating disc 4, and a concrete test block placed in the mounting grooves 5, wherein the concrete test block is a test block with a good mixing ratio.

[0041] The workbench 1 is provided with a U-shaped mounting frame 9, and the mounting frame 9 is provided with an impact mechanism and a pressing mechanism which are used in cooperation with the concrete test block.

[0042] The impact mechanism comprises a fixed disc 10 arranged on the right side of the mounting frame 9, wherein the fixed disc 10 is fixed on the mounting frame 9 through bolts 11, an impact cylinder 12 is arranged on the fixed disc 10, an electric push rod 13 is arranged on the inner side of the impact cylinder 12 away from the bottom surface of the fixed disc 10, a top block 14 is arranged on the free end of the electric push rod 13, a sleeve 15 is arranged on the inner side of the impact cylinder 12 through a support, the top block 14 is slidingly arranged in the sleeve 15, a top rod 16 is slidingly arranged on the inner side of the sleeve 15, a spring 1 is arranged between the top rod 16 and the top block 14, one end of the spring 1 is fixed on the end surface of the top block 14, and the other end of the spring 1 is fixed on the end surface of the top rod 16.

[0043] The other end of the top rod 16 away from the spring 1 is provided with a top head 17, the top head 17 is provided with a sensor for detecting the impact pressure of the concrete test block, and the fixed disc 10 and the mounting frame 9 are provided with through holes matched with the top rod 16 and the top head 17.

[0044] The pressing mechanism comprises a hydraulic cylinder 22 arranged on the left side of the upper end of the mounting frame 9, wherein the working end of the hydraulic cylinder 22 is provided with a base plate 1 after penetrating through the mounting frame 9 in a downward direction, a pressing plate 1 is arranged on the lower side of the base plate 1 and matched with the concrete test block in the mounting groove 5, and the pressing plate 1 can press the concrete test block.

[0045] A guide device is arranged between the mounting frame 9 and the base plate 1, wherein the guide device comprises a cylinder arranged on the mounting frame 9, and a cylinder is slidingly arranged in the cylinder, and the free end of the cylinder is arranged on the base plate 1.

[0046] The right side of the upper end of the mounting frame 9 is further provided with a pressing device matched with the concrete test block, the pressing device comprises a round rod 25 penetrating through the mounting frame 9 and being in sliding fit with the mounting frame, the outer periphery of the round rod 25 is provided with a thread, the lower end of the round rod 25 is provided with a base plate 26, the lower side surface of the base plate 26 is provided with a pressing plate 27 matched with the concrete test block in the mounting groove 5, the outer periphery of the round rod 25 penetrating out of the upper side of the mounting frame 9 is provided with a matched nut, the outer periphery of the round rod 25 is provided with a spring 26, one end of the spring 26 is fixed on the mounting frame 9, the other end of the spring 26 is fixed on the base plate 26, when the impact cylinder 12 is pushed towards the concrete, the pressing device can avoid overturning the concrete test block, when the pressing device needs to work, the nut is removed, the pressing plate 27 is pressed on the corresponding concrete test block under the action of the spring 26, when the pressing device does not need to work, the pressing plate 27 is manually lifted, and the round rod 25 is locked by the nut, so that the pressing plate 27 is separated from the concrete test block in the mounting groove 5.

[0047] Embodiment 4

[0048] Referring to Figures 1-3 A kind of super-long super-thick anti-radiation concrete crack detection device, including workbench 1, workbench 1 is provided with circular turntable 4, turntable 4 is provided with several installation grooves 5 distributed along circumference, installation groove 5 penetrates through the outer side arc surface of turntable 4, concrete test block is placed in installation groove 5, and the concrete test block is a well-proportioned test block;

[0049] Workbench 1 is provided with mounting frame 9 of U-shaped structure, and mounting frame 9 is provided with impact mechanism and pressing mechanism matched with concrete test block.

[0050] The impact mechanism comprises a fixed disc 10 arranged on the right side of the mounting frame 9, the fixed disc 10 is fixed on the mounting frame 9 by bolts 11, the fixed disc 10 is provided with an impact cylinder 12, the inner side of the impact cylinder 12 is provided with an electric push rod 13 away from the bottom surface of the fixed disc 10, the free end of the electric push rod 13 is provided with a top block 14, the inner side of the impact cylinder 12 is provided with a sleeve 15 through a support in the middle, the top block 14 is slidingly arranged in the sleeve 15, the inner side of the sleeve 15 is slidingly provided with a top rod 16, a spring 1 is arranged between the top rod 16 and the top block 14, one end of the spring 1 is fixed on the end face of the top block 14, and the other end of the spring 1 is fixed on the end face of the top rod 16.

[0051] The other end of the top rod 16 away from the spring 1 is provided with a top head 17, the top head 17 is provided with a sensor for detecting the impact pressure of the concrete test block, and the fixed disc 10 and the mounting frame 9 are provided with through holes matched with the top rod 16 and the top head 17.

[0052] The pressing mechanism comprises a hydraulic cylinder 22 arranged on the left side of the upper end of the mounting frame 9, the working end of the hydraulic cylinder 22 penetrates through the mounting frame 9 downward and is provided with a base plate I 23, the lower side of the base plate I 23 is provided with a pressing plate I 24 matched with the concrete test block in the mounting groove 5, and the pressing plate I 24 can press the concrete test block;

[0053] A guide device is arranged between the mounting frame 9 and the base plate I 23, which comprises a cylinder arranged on the mounting frame 9 and a cylinder slidingly arranged in the cylinder, and the free end of the cylinder is arranged on the base plate I 23.

[0054] A pressing device matched with the concrete test block is further arranged on the right side of the upper end of the mounting frame 9, which comprises a round rod 25 penetrating through the mounting frame 9 and slidingly matched with the mounting frame, the outer periphery of the round rod 25 is provided with a thread, the lower end of the round rod 25 is provided with a base plate II 26, the lower side of the base plate II 26 is provided with a pressing plate II 27 matched with the concrete test block in the mounting groove 5, the upper outer periphery of the round rod 25 penetrating through the mounting frame 9 is provided with a matched nut, the outer periphery of the round rod 25 is provided with a spring II, one end of the spring II is fixed on the mounting frame 9, and the other end of the spring II is fixed on the base plate II 26; when the impact cylinder 12 is pushed towards the concrete, the pressing device can avoid overturning the concrete test block; when the pressing device needs to work, the nut is removed, the pressing plate II 27 is pressed on the corresponding concrete test block under the action of the spring II, when the pressing device does not need to work, the pressing plate II 27 is manually lifted, and the round rod 25 is locked by the nut, so that the pressing plate II 27 is separated from the concrete test block in the mounting groove 5.

[0055] A skid-proof fixing device is arranged on the left side of the workbench surface 1, which comprises a threaded hole arranged on the side of the workbench surface 1 and a long bolt 21 arranged in the threaded hole, a rotating sleeve 20 is rotatably arranged on the outer periphery of the long bolt 21, a backing plate 18 is arranged on the rotating sleeve 20, the lower side of the backing plate 18 is slidingly attached to the workbench surface 1, a skid-proof plate 19 is arranged on the backing plate 18, a rubber pad is arranged on the outer side of the rotating sleeve 4, and the rubber pad is close to the rotating disc 4 when the long bolt 21 is rotated until it is attached to the outer side of the rotating disc 4. At this time, the backing plate 18 is inserted into the gap between the rotating disc 4 and the workbench surface 1, so that the rotation of the rotating disc 4 can be prevented during detection.

[0056] Example 5

[0057] Referring to Figures 1-3 , referring to Figures 1-3 A super-long and super-thick anti-radiation concrete crack detection device, comprising a workbench surface 1, a circular rotating disc 4 is arranged on the workbench surface 1, a plurality of mounting grooves 5 are arranged on the rotating disc 4, the mounting grooves 5 penetrate through the outer side of the rotating disc 4, and a concrete test block is arranged in the mounting groove 5;

[0058] The workbench 1 is provided with a U-shaped mounting frame 9, and the mounting frame 9 is provided with an impact mechanism and a pressing mechanism matched with the concrete test block.

[0059] The impact mechanism comprises a fixed disc 10 arranged at the right side of the mounting frame 9, the fixed disc 10 is fixed on the mounting frame 9 through a bolt 11, the fixed disc 10 is provided with an impact cylinder 12, the inner side of the impact cylinder 12 is provided with an electric push rod 13 away from the bottom surface of the fixed disc 10, the free end of the electric push rod 13 is provided with a top block 14, the middle part of the inner side of the impact cylinder 12 is provided with a sleeve 15 through a support, the top block 14 is slidingly arranged in the sleeve 15, the inner side of the sleeve 15 is slidingly provided with a top rod 16, a spring I is arranged between the top rod 16 and the top block 14, one end of the spring I is fixed on the end face of the top block 14, and the other end of the spring I is fixed on the end face of the top rod 16.

[0060] The other end of the top rod 16 away from the spring I is provided with a top head 17, the top head 17 is internally mounted with a sensor for detecting the impact pressure of the concrete test block, and the fixed disc 10 and the mounting frame 9 are provided with through holes matched with the top rod 16 and the top head 17.

[0061] The pressing mechanism comprises a hydraulic cylinder 22 arranged at the left side of the upper end of the mounting frame 9, the working end of the hydraulic cylinder 22 is provided with a base plate I 23 after penetrating through the mounting frame 9 downwards, the lower side surface of the base plate I 23 is provided with a pressing plate I 24 matched with the concrete test block in the mounting groove 5, and the pressing plate I 24 can press the concrete test block.

[0062] A guide device is arranged between the mounting frame 9 and the base plate I 23, the guide device comprises a cylinder arranged on the mounting frame 9, and a cylinder is slidingly arranged in the cylinder, and the free end of the cylinder is arranged on the base plate I 23.

[0063] The upper end of the mounting frame 9 is further provided with a downward pressing device matched with the concrete test block, the downward pressing device comprises a circular rod 25 penetrating through the mounting frame 9 and slidingly matched with the mounting frame, the outer periphery of the circular rod 25 is provided with a thread, the lower end of the circular rod 25 is provided with a base plate II 26, the lower side surface of the base plate II 26 is provided with a pressing plate II 27 matched with the concrete test block in the mounting groove 5, the upper side periphery of the circular rod 25 penetrating out of the mounting frame 9 is provided with a matched nut, the outer periphery of the circular rod 25 is provided with a spring II, one end of the spring II is fixed on the mounting frame 9, and the other end of the spring II is fixed on the base plate II 26, when the impact cylinder 12 is pressed towards the concrete, the downward pressing device can avoid overturning the concrete test block, when the downward pressing device needs to work, the nut is removed, the pressing plate II 27 is pressed on the corresponding concrete test block under the action of the spring II, when the downward pressing device does not need to work, the pressing plate II 27 is manually lifted, and the circular rod 25 is locked through the nut, so that the pressing plate II 27 is separated from the concrete test block in the mounting groove 5.

[0064] The left side of the workbench 1 is provided with an anti-skid fixing device, the anti-skid fixing device comprises a threaded hole arranged on the side of the workbench 1, a long bolt 21 is arranged in the threaded hole in a matched mode, the long bolt 21 is rotatably arranged with a rotating sleeve 20, the rotating sleeve 20 is provided with a backing plate 18, the lower side of the backing plate 18 is slidably attached to the workbench 1, the backing plate 18 is provided with an anti-skid plate 19, the anti-skid plate 19 is provided with a rubber pad on the outer side facing the rotating disc 4, the rubber pad will be close to the rotating disc 4 by rotating the long bolt 21, until it is attached to the outer side of the rotating disc 4, at this time, the backing plate 18 will be inserted into the gap between the rotating disc 4 and the workbench 1, so that the rotating of the rotating disc 4 can be prevented during detection.

[0065] The two sides of the mounting groove 5 are provided with mounting holes one, the two mounting holes one are slidably provided with clamping plates 8, a plurality of springs three 7 are arranged between the clamping plates 8 and the inner bottom surfaces of the corresponding mounting holes one, one end of the spring three 7 is arranged on the clamping plate 8, and the other end of the spring three is arranged on the inner bottom surface of the mounting hole one, and the two clamping plates 8 can clamp and fix the well-proportioned concrete test block placed into the mounting groove 5.

[0066] A motor 2 is arranged below the center of the workbench 1, and an output shaft of the motor 2 is arranged with a rotating disc 4 outwardly penetrating the workbench 1, specifically, a mounting hole two 6 is arranged at the center of the workbench 1, and the mounting hole two 6 is used for mounting the output shaft of the motor 2.

[0067] A plurality of supporting legs 3 are arranged on the lower side of the workbench 1, and universal wheels are arranged on the supporting legs 3, so that the movement of the device is facilitated.

[0068] Working principle: when operating, the concrete test block is placed in the mounting groove 5 and clamped by the two clamping plates 8, then the concrete test block is rotated to the left side, the hydraulic cylinder 22 works, the pressing plate one 24 presses the concrete test block to detect the anti-cracking performance, when the concrete test block moves to the right side of the impact cylinder 12, the impact test is carried out to detect the anti-cracking performance.

[0069] The technical features not described in the application can be realized by or using the prior art, which will not be repeated here, of course, the above description is not a limitation of the application, the application is not limited to the above examples, the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the application should also belong to the protection scope of the application.

Claims

1. A device for detecting cracks in super-long and super-thick radiation-proof concrete, characterized in that, The workbench includes a workbench top, a circular rotating disc arranged on the workbench top, a plurality of mounting slots arranged on the rotating disc in a circumferential direction, the mounting slots penetrating through the outer arc surface of the rotating disc, and concrete test blocks placed in the mounting slots; The workbench top is provided with a U-shaped mounting frame, and the mounting frame is provided with an impact mechanism and a pressing mechanism used in cooperation with the concrete test blocks; The impact mechanism includes a fixed disc arranged on the right side of the mounting frame, an impact cylinder arranged on the fixed disc, an electric push rod arranged on the inner side of the impact cylinder away from the bottom surface of the fixed disc, a top block arranged at the free end of the electric push rod, a sleeve arranged at the middle part of the inner side of the impact cylinder through a support, the top block being slidingly arranged in the sleeve, a top rod slidingly arranged on the inner side of the sleeve, a spring one arranged between the top rod and the top block, one end of the spring one being fixed to the end surface of the top block, and the other end of the spring one being fixed to the end surface of the top rod; The other end of the top rod away from the spring one is provided with a top head, the top head is provided with a sensor for detecting the impact pressure of the concrete test block, and the fixed disc and the mounting frame are provided with through holes matched with the top rod and the top head; The pressing mechanism includes a hydraulic cylinder arranged on the left side of the upper end of the mounting frame, a base plate one arranged on the working end of the hydraulic cylinder downwardly penetrating through the mounting frame, a pressing plate one arranged on the lower side surface of the base plate one matched with the concrete test block in the mounting slot, and the pressing plate one being capable of pressing the concrete test block; A guide device is arranged between the mounting frame and the base plate one; The upper end of the mounting frame is further provided with a downward pressing device matched with the concrete test block, the downward pressing device includes a circular rod penetrating through the mounting frame and slidingly matched with the mounting frame, a thread is arranged on the outer periphery of the upper side of the circular rod, a base plate two is arranged on the lower end of the circular rod, a pressing plate two matched with the concrete test block in the mounting slot is arranged on the lower side surface of the base plate two, a nut matched with the circular rod is arranged on the outer periphery of the upper side of the circular rod penetrating out of the mounting frame, a spring two is arranged on the outer periphery of the circular rod, one end of the spring two is fixed to the mounting frame, and the other end of the spring two is fixed to the base plate two; A skid-proof fixing device is arranged on the left side of the workbench, the skid-proof fixing device includes a threaded hole arranged on the side surface of the workbench, a long bolt matched with the threaded hole is arranged in the threaded hole, a rotating sleeve is rotatably arranged on the outer periphery of the long bolt, a backing plate is arranged on the rotating sleeve, the lower side surface of the backing plate slidingly abuts against the workbench, a skid-proof plate is arranged on the backing plate, and a rubber pad is arranged on the outer side surface of the skid-proof plate facing the rotating disc; Mounting holes one are arranged on the two side surfaces in the mounting slot, clamping plates are slidingly arranged in the two mounting holes one, a plurality of springs three are arranged between the clamping plates and the bottom surface in the corresponding mounting hole one, one end of the spring three is arranged on the clamping plate, and the other end of the spring three is arranged on the bottom surface in the mounting hole one; A motor is arranged directly below the center of the workbench, and an output shaft of the motor penetrates upwardly out of the workbench and is provided with the rotating disc on the outer periphery.

2. The ultra-long and ultra-thick anti-radiation concrete crack detection device according to claim 1, characterized in that, A plurality of supporting legs are arranged on the lower side surface of the workbench, and universal wheels are arranged on the supporting legs.

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