Strength detection equipment for dam body of water conservancy project

Abstract

The invention belongs to the technical field of strength detection equipment, and particularly relates to strength detection equipment for a dam body of a water conservancy project, the strength detection equipment comprises a protection box, one side of the protection box is fixedly connected with a first fixing block, a rotating groove is formed in the first fixing block, an inner cavity of the rotating groove is rotatably connected with a rotating shaft, and the two ends of the rotating shaft are fixedly connected with cleaning scraper knives. The lower end of an inner cavity of the protection box is provided with a grid plate shaped like a Chinese character'tian ', the inner cavity of the protection box is rotationally connected with two lead screws, the outer portions of the lead screws are in threaded connection with sliding blocks, a sliding frame is fixedly connected between the sliding blocks, an inner cavity of the sliding frame is slidably connected with a mounting frame, and an inner cavity of the mounting frame is used for mounting a hydraulic pushing assembly; the problems that when a protection box is driven to move on a dam body, if moss and other weeds on the dam body are not cleared away, the moss can affect the detection result of a rebound apparatus on the dam body, and meanwhile the moss can also affect the suction stability of a suction cup are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of strength detection equipment, in particular to a strength detection equipment for a dam body of a water conservancy project. Background Art

[0002] Dams are important transit stations in water conservancy projects. There are many contents in the dam body strength test, such as the dam body concrete strength and compressive resistance. During the dam body concrete strength test, the conventional method is that the tester fixes the safety rope around the waist, and the tester holds the rebound tester and enters the inclined side wall of the dam body. Then, four equidistant lines are drawn on the dam body with chalk and connected together, and a point is marked every five centimeters. The upper, lower, left and right marked points are connected to form a grid, and then the rebound tester is used to test the concrete strength in each square.

[0003] A patent with publication number CN118464597A discloses a strength detection device for a dam body of a water conservancy project. The patent can fix the entire device on the surface of the dam body by using a vacuum suction cup through the setting of a fixing mechanism, and then use the cooperation between the vacuum generator and the suction pipe. The vacuum generator will suck away the air at the bottom of the vacuum suction cup, thereby ensuring that the entire device can be more firmly fixed on the surface of the dam body, and then the rebound hammer is clamped and fixed by the adjustment mechanism, and then the pressing plate is pressed to apply pressure to the rebound hammer. When measuring the surface to be measured, since the rebound hammer is assisted by the first slider on the left and right sides, the first slider will move downward along the slide rail during the downward pressing process, which can maintain the stability of the direction of the entire moving process, effectively disperse and balance the applied pressure, prevent shaking or instability caused by single-point pressure, and ensure the stability of the rebound hammer during the downward pressing process.

[0004] There are still some problems in the actual application of the above scheme. The above device drives the rebound tester to move on the dam body through the protection box, and then uses the adjustment mechanism to drive the rebound tester to press and detect the dam body. However, when the protection box moves on the dam body, if the moss and other weeds on the dam body are not cleaned, the moss will affect the detection result of the dam body by the rebound tester. At the same time, the moss will also affect the airtightness of the suction cup and the fixing effect. Moreover, when the rebound tester detects the dam body, it is usually necessary to draw a grid and then use the impact rod to press and detect the fourteen spaces in turn, and the rebound tester cannot move in the protection box, resulting in the only way to move the protection box to drive the rebound tester to adjust the position. Not only is the operation cumbersome, but it is also impossible to determine the distance of the rebound tester moving, which affects the detection accuracy.

[0005] To this end, the present invention provides a strength detection device for a dam body of a water conservancy project. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is: a strength detection device for a dam body of a water conservancy project described in the present invention comprises a protection box, a first fixed block is fixedly connected to one side of the protection box, a rotating groove is provided inside the first fixed block, a rotating shaft is rotatably connected to the inner cavity of the rotating groove, cleaning blades are fixedly connected to both ends of the rotating shaft, a grid plate is installed at the lower end of the inner cavity of the protection box, two screw rods are rotatably connected to the inner cavity of the protection box, a sliding block is threadedly connected to the outer surface of the screw rod, a sliding frame is fixedly connected between the sliding blocks, a mounting frame is slidably connected to the inner cavity of the sliding frame, and the inner cavity of the mounting frame is used to install a hydraulic push component; The hydraulic push assembly comprises a hydraulic push rod sliding in the inner cavity of the mounting frame, a rebound hammer is installed at the piston rod end of the hydraulic push rod, and the rebound hammer is used for strength detection of the dam body.

[0008] Preferably, the rotating shaft is located outside the inner cavity of the rotating groove and is fixedly connected to a fixed disk, both ends of the fixed disk are fixedly connected to torsion springs, and the torsion springs are fixedly connected to the inner wall of the rotating groove.

[0009] Preferably, a mounting groove is provided on the upper end surface of the mounting frame, a cross limit plate is fixedly connected to the upper end of the hydraulic push rod, the cross limit plate is fixedly installed in the mounting groove, a U-shaped clip is fixedly connected to the piston rod end of the hydraulic push rod, and the inner cavity of the U-shaped clip is used for clipping and installing the rebound tester.

[0010] Preferably, a telescopic movable component is provided inside the lower end of the protective box, and the telescopic movable component includes two storage grooves opened on the lower end surface of the protective box, two sliding blocks are slidably connected to the inner cavities of the two storage grooves, and both ends of the two sliding blocks are fixedly connected to support rods, one end of the support rod is rotatably connected to a connecting block, the lower end of the connecting block is fixedly connected to a push plate, and universal wheels are installed on both sides of the lower end surface of the push plate.

[0011] Preferably, two threaded rods are rotatably connected to the inner cavity of the storage groove, and a connecting rod is fixedly connected between the two threaded rods. The connecting rod is rotatably connected to a limit box on the outside, and the limit box is fixedly connected to the inner wall of the storage groove, and the two threaded rods are respectively threadedly connected to the two sliders.

[0012] Preferably, an adsorption assembly is provided in the upper wall of the inner cavity of the storage groove, and the adsorption assembly includes an air pumping groove opened in the upper wall of the inner cavity of the storage groove, a tension spring is fixedly connected to the upper wall of the inner cavity of the air pumping groove, and a piston is fixedly connected to one end of the tension spring.

[0013] Preferably, a traction rope is fixedly connected to the lower end surface of the piston, one end of the traction rope is fixedly connected to the connecting rod, one side of the inner wall of the air pumping groove is provided with air inlet and outlet holes, and an air guide tube is installed in the inner cavity of the air inlet and outlet holes, one end of the air guide tube is fixedly connected to a suction cup, and four suction cups are provided and fixedly connected to the four corners of the lower end surface of the protective box.

[0014] Preferably, electric push rods are arranged in both sides of the inner cavity of the sliding frame, and the piston rod ends of the electric push rods are fixedly connected to the mounting frame.

[0015] Preferably, a hinge is fixedly connected to one side of the upper end surface of the protection box, and a box cover is fixedly connected to one end of the hinge, and the box cover is used to seal the protection box.

[0016] Preferably, a telescopic traction assembly is fixedly connected to one side of the protective box, and the telescopic traction assembly includes a second fixed block fixedly connected to one side of the protective box, the second fixed block is rotatably connected to a U-shaped rotating block on the outside, the upper end of the U-shaped rotating block is rotatably connected to a bent pipe, one end of the bent pipe is fixedly connected to a telescopic rod, one end of the telescopic rod is fixedly connected to a handle, a U-shaped buckle is fixedly connected to one side of the protective box, and the telescopic rod is buckled with the U-shaped buckle.

[0017] The beneficial effects of the present invention are as follows: 1. The strength testing equipment for the dam body of a water conservancy project described in the present invention inserts the rebound tester into the inner cavity of the U-shaped buckle and fixes it with the hydraulic push rod, thereby realizing the rapid installation and disassembly of the rebound tester, and facilitating the hydraulic push rod to drive the rebound tester to perform strength testing on the dam body, and then drives the universal wheel to slide out of the storage groove, and then the protective box is moved on the dam body by the universal wheel. During the movement, the torsion spring will twist the fixed plate to rotate, and the fixed plate drives the rotating shaft to rotate, and then drives the cleaning blade to always fit with the surface of the dam body, and then during the movement of the protective box, the moss and other weeds on the surface of the dam body are removed and cleaned to prevent the moss and other weeds from affecting the impact rod of the rebound tester to press the surface of the dam body, causing the rebound tester to be unable to accurately perform strength testing on the dam body.

[0018] 2. The strength testing equipment for the dam body of a water conservancy project described in the present invention drives the threaded rod to rotate and drives the connecting rod to rotate, and then the threaded transmission slider of the threaded rod drives the universal wheel to slide into the inner cavity of the storage groove for storage, and at this time the protective box will drive the suction cup to fit the surface of the dam body, and at the same time, during the rotation of the connecting rod, the traction rope will be discharged, and then the tension spring in the inner cavity of the air pumping groove will be used to pull the piston upward, and at the same time, the piston cooperates with the air guide tube to extract the air in the inner cavity of the suction cup, and then the suction cup and the dam body are adsorbed and fixed, so that the rebound instrument can better use the impact rod and the dam body for press detection, and prevent the situation that when the rebound instrument uses the impact rod and the dam body for press detection, the protective box is not tightly fitted with the dam body, resulting in the movement of the protective box affecting the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the structure of the main view of the present invention as a whole; Figure 2 It is a schematic diagram of the structure of the present invention when viewed from above; Figure 3 This is a schematic diagram of a half-section structure of the first fixing block of the present invention; Figure 4 This is a schematic diagram of the internal structure of the protective box of the present invention in half section; Figure 5 It is a schematic diagram of the overall structure of the threaded rod installation of the present invention; Figure 6 It is a schematic diagram of the overall internal structure of the protection box of the present invention; Figure 7 This is a schematic diagram of the internal structure of the air pumping tank in a half-section according to the present invention; Figure 8 It is a schematic diagram of the overall structure of the hydraulic pushing assembly of the present invention; In the figure: 1. protective box; 2. box cover; 3. telescopic moving assembly; 31. storage slot; 32. threaded rod; 33. slider; 34. support rod; 35. connecting block; 36. push plate; 37. connecting rod; 4. first fixed block; 5. cleaning blade; 6. hydraulic pushing assembly; 61. hydraulic push rod; 62. cross limit plate; 63. U-shaped buckle; 7. rebound tester; 8. adsorption assembly; 81. air pumping groove; 82. tension spring; 83. piston; 84. traction rope; 85. Air guide tube; 86. Suction cup; 87. Air inlet and outlet holes; 9. Telescopic traction assembly; 91. Second fixed block; 92. U-shaped rotating block; 93. Bend pipe; 94. Telescopic rod; 95. Handle; 10. Grid plate; 11. Rotating groove; 12. Rotating shaft; 13. Fixed plate; 14. Torsion spring; 15. Universal wheel; 16. Sliding frame; 17. Screw rod; 18. Mounting frame; 19. Electric push rod; 20. Mounting groove; 21. Limit box; 22. Sliding block. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0022] Embodiment 1 like Figures 1 to 8As shown, a strength detection device for a dam body of a water conservancy project described in an embodiment of the present invention comprises a protection box 1, a first fixed block 4 is fixedly connected to one side of the protection box 1, a rotating groove 11 is provided inside the first fixed block 4, a rotating shaft 12 is rotatably connected to the inner cavity of the rotating groove 11, cleaning blades 5 are fixedly connected to both ends of the rotating shaft 12, a grid plate 10 is installed at the lower end of the inner cavity of the protection box 1, two screw rods 17 are rotatably connected to the inner cavity of the protection box 1, a sliding block 22 is threadedly connected to the outer surface of the screw rod 17, a sliding frame 16 is fixedly connected between the sliding blocks 22, a mounting frame 18 is slidably connected to the inner cavity of the sliding frame 16, and the inner cavity of the mounting frame 18 is used to install a hydraulic push assembly 6; The hydraulic push assembly 6 includes a hydraulic push rod 61 sliding in the inner cavity of the mounting frame 18. A rebound hammer 7 is installed at the piston rod end of the hydraulic push rod 61, and the rebound hammer 7 is used for strength detection of the dam body.

[0023] Specifically, in the prior art, when the protective box is driven to move on the dam body, if the moss on the dam body is not cleaned, the moss will affect the result of the rebound test on the dam body, and when the rebound test is testing the dam body, the rebound test cannot be moved in the protective box, resulting in the need to move the protective box to drive the rebound test to adjust its position to achieve multiple tests on the dam body, which is not only cumbersome to operate, but also unable to determine the moving distance of the rebound test, thereby affecting the test results; The present invention installs the hydraulic push rod 61 in the inner cavity of the mounting frame 18, and installs the rebound tester 7 on the piston rod end of the hydraulic push rod 61, and then drives the protection box 1 to move on the dam body. During the movement of the protection box 1, the first fixed block 4 is driven to move synchronously, and the first fixed block 4 drives the rotating shaft 12 to move, and then drives the cleaning blade 5 to remove and clean the moss and other weeds on the surface of the dam body, so as to prevent the moss on the surface of the dam body from being eroded by river water and affecting the detection accuracy of the rebound tester 7. After driving the protection box 1 to move to the position where the dam body needs to be detected, the screw rod 17 is driven to rotate, and the screw rod 17 is threaded to drive the sliding block 22 to move in the inner cavity of the protection box 1, and the sliding block 22 drives the sliding frame 16 to move, so that the sliding frame 16 drives the hydraulic push rod 61 to move horizontally according to the arrangement of the grid plate 10. Move and adjust, and then drive the mounting frame 18 to move in the inner cavity of the sliding frame 16, thereby driving the hydraulic push rod 61 to perform longitudinal movement adjustment. After the adjustment is completed, the rebound instrument 7 is driven to move vertically downward by starting the hydraulic push rod 61, and the rebound instrument 7 passes through the grid plate 10 and contacts the dam body. At the same time, the axis of the rebound instrument 7 is always perpendicular to the dam body, and the dam body is pressed by the impact rod. After the pressing is completed, the hydraulic push rod 61 drives the rebound instrument 7 to slide into the inner cavity of the protective box 1, and the impact rod extends from the rebound instrument 7 and quickly resets. The data detected by the rebound instrument 7 is transmitted to the operator's mobile phone or computer through a signal, so that the operator can record the test results, and perform fourteen impact tests on the dam body according to the number of meshes of the grid plate 10, and then observe whether the rebound value is normal, thereby solving the above problem.

[0024] like Figure 1 and Figure 3 As shown, the rotating shaft 12 is located outside the inner cavity of the rotating groove 11 and is fixedly connected to a fixed disk 13 . Both ends of the fixed disk 13 are fixedly connected to torsion springs 14 , and the torsion springs 14 are fixedly connected to the inner wall of the rotating groove 11 .

[0025] like Figure 1 , Figure 4 and Figure 8 As shown, a mounting groove 20 is provided on the upper end surface of the mounting frame 18, a cross limit plate 62 is fixedly connected to the upper end of the hydraulic push rod 61, the cross limit plate 62 is fixedly installed with the mounting groove 20, a U-shaped clip 63 is fixedly connected to the piston rod end of the hydraulic push rod 61, and the inner cavity of the U-shaped clip 63 is used for clipping and installing the rebound tester 7.

[0026] Specifically, by inserting the hydraulic push rod 61 into the inner cavity of the mounting frame 18, the mounting frame 18 limits the hydraulic push rod 61, and then the hydraulic push rod 61 drives the cross limit plate 62 to slide into the mounting groove 20 for installation, and at the same time the rebound tester 7 is clamped and installed in the inner cavity of the U-shaped buckle 63, so that the hydraulic push rod 61 can drive the rebound tester 7 to move downward to detect the dam body. In the process of driving the protective box 1 to move, the torsion spring 14 will twist the fixed plate 13 to rotate, and the fixed plate 13 drives the rotating shaft 12 to rotate. At the same time, the rotating shaft 12 drives the cleaning blade 5 to rotate, and then the cleaning blade 5 is always in contact with the surface of the dam body. Then, during the movement of the protective box 1, the moss and other weeds on the surface of the dam body are removed and cleaned to prevent the moss and other weeds from affecting the impact rod of the rebound tester 7 to press the surface of the dam body, causing the rebound tester 7 to be unable to accurately perform strength detection on the dam body.

[0027] like Figure 1 , Figure 2 and Figure 5 As shown, a telescopic movable component 3 is arranged inside the lower end of the protective box 1, and the telescopic movable component 3 includes two storage grooves 31 opened on the lower end surface of the protective box 1, and the inner cavities of the two storage grooves 31 are slidably connected to two sliders 33, and both ends of the two sliders 33 are fixedly connected to support rods 34, one end of the support rod 34 is rotatably connected to a connecting block 35, and the lower end of the connecting block 35 is fixedly connected to a push plate 36, and universal wheels 15 are installed on both sides of the lower end surface of the push plate 36.

[0028] like Figure 2 and Figure 5 As shown, two threaded rods 32 are rotatably connected to the inner cavity of the storage groove 31, and a connecting rod 37 is fixedly connected between the two threaded rods 32. The connecting rod 37 is externally rotatably connected to the limit box 21, and the limit box 21 is fixedly connected to the inner wall of the storage groove 31. The two threaded rods 32 are threadedly connected to the two sliders 33 respectively.

[0029] Specifically, when it is necessary to control the protection box 1 to move on the dam body, the threaded rod 32 is driven to rotate, and the threaded rod 32 drives the connecting rod 37 to rotate, and at the same time, the connecting rod 37 drives the connected threaded rod 32 to rotate, and then the two sliders 33 of the two threaded rods 32 are moved away from each other, and at the same time, the two sliders 33 drive the support rod 34 to move, and then the support rod 34 drives the push plate 36 to move downward using the connecting block 35, so that the push plate 36 drives the universal wheel 15 to slide out of the storage groove 31 and contact the surface of the dam body, and at the same time, the slider 33 is used to cooperate with the threaded rod 32 to lift the protection box 1 away from the dam body, and then the universal wheel 15 is used to move on the dam body, thereby improving the convenience of using the strength detection equipment and improving its efficiency in dam body strength detection.

[0030] Embodiment 2 like Figure 2 , Figure 4 and Figure 7 As shown, an adsorption assembly 8 is provided in the upper wall of the inner cavity of the storage groove 31, and the adsorption assembly 8 includes an air pumping groove 81 opened in the upper wall of the inner cavity of the storage groove 31, a tension spring 82 is fixedly connected to the upper wall of the inner cavity of the air pumping groove 81, and a piston 83 is fixedly connected to one end of the tension spring 82.

[0031] like Figure 4 and Figure 7 As shown, a traction rope 84 is fixedly connected to the lower end surface of the piston 83, and one end of the traction rope 84 is fixedly connected to the connecting rod 37. An air inlet and outlet hole 87 is opened on one side of the inner wall of the air pumping groove 81, and an air guide pipe 85 is installed in the inner cavity of the air inlet and outlet hole 87. One end of the air guide pipe 85 is fixedly connected to a suction cup 86, and four suction cups 86 are provided and fixedly connected to the four corners of the lower end surface of the protective box 1.

[0032] Specifically, after driving the protection box 1 to move to the position where the dam body needs strength testing, the threaded rod 32 is driven to rotate, and the threaded rod 32 drives the connecting rod 37 to rotate, and then the threaded transmission slider 33 of the threaded rod 32 drives the support rod 34 to move, and at the same time, the support rod 34 uses the connecting block 35 to drive the push plate 36 and the universal wheel 15 to slide into the inner cavity of the storage groove 31 for storage. At this time, the protection box 1 will push the suction cup 86 to fit the surface of the dam body. At the same time, during the rotation of the connecting rod 37, the traction rope 84 will be discharged, and then the tension spring 82 in the inner cavity of the air pumping groove 81 will be used to pull the piston 83 to move upward. At the same time, the piston 83 drives the traction rope 84 to slide into the air pumping groove 81 for storage. In the process of the traction rope 84 sliding into the air pumping groove 81, the air pumping groove 84 can be sealed to prevent air leakage. At the same time, during the upward movement of the piston 83, the air in the inner cavity of the air guide tube 85 will be extracted. At the same time, the air guide tube 85 draws the air in the inner cavity of the suction cup 86, and then the suction cup 86 is adsorbed and fixed to the dam body, so that the rebound tester 7 can better use the impact rod to press the dam body for detection, and at the same time prevent the rebound tester 7 from using the impact rod to press the dam body for detection, and the protective box 1 is not tightly fitted with the dam body, resulting in the movement of the protective box 1 affecting the detection accuracy. The problem of the existing strength detection equipment of the dam body of a water conservancy project being that the dam body has an inclination at a moving angle. Therefore, when testing the strength of the dam body, it is usually necessary to use a rope to pull the protective box to move on the surface of the dam body, and then remotely control the pushing mechanism to push the rebound tester to press the surface of the dam body for detection. However, if the protective box is not fixed to the dam body, when the pushing mechanism pushes the rebound tester to press the dam body, the rebound force generated by the pressing will cause the protective box to move, resulting in the axis of the rebound tester being unable to be perpendicular to the dam body, thereby affecting the accuracy of the dam body strength detection result.

[0033] like Figure 4 and Figure 6 As shown, electric push rods 19 are disposed in both sides of the inner cavity of the sliding frame 16 , and the piston rod ends of the electric push rods 19 are fixedly connected to the mounting frame 18 .

[0034] like Figure 1 and Figure 2 As shown, a hinge is fixedly connected to one side of the upper end surface of the protection box 1 , and a box cover 2 is fixedly connected to one end of the hinge. The box cover 2 is used to seal the protection box 1 .

[0035] like Figure 2 , Figure 4 and Figure 6 As shown, a telescopic traction assembly 9 is fixedly connected to one side of the protective box 1, and the telescopic traction assembly 9 includes a second fixed block 91 fixedly connected to one side of the protective box 1, the second fixed block 91 is externally rotatably connected to a U-shaped rotating block 92, the upper end of the U-shaped rotating block 92 is rotatably connected to a bent pipe 93, one end of the bent pipe 93 is fixedly connected to a telescopic rod 94, one end of the telescopic rod 94 is fixedly connected to a handle 95, a U-shaped buckle 96 is fixedly connected to one side of the protective box 1, and the telescopic rod 94 is buckled with the U-shaped buckle 96.

[0036] Specifically, when testing the strength of the dam body, the telescopic rod 94 is moved by holding the handle 95 to remove it from the inner cavity of the U-shaped buckle 96, and then the telescopic rod 94 is used to loosen the protective box 1, so that the protective box 1 can be moved on the surface of the dam body using the universal wheel 15. When the telescopic rod 94 is used to control the movement of the protective box 1 on the dam body, the bent pipe 93 can be used in conjunction with the U-shaped rotating block 92 to control the angle of the protective box 1 on the dam body, so that the protective box 1 is always in contact with the surface of the dam body, and the axis of the rebound tester 7 is perpendicular to the dam body, thereby solving the problem that the existing strength testing equipment for the dam body of a water conservancy project usually uses a steel cable or a telescopic rod to pull the protective box on the surface of the dam body when testing the strength of the dam body. However, the slope of the dam body is relatively steep. Using a steel cable or a telescopic rod to pull the protective box will cause the protective box to be unable to fit horizontally with the dam body, which will cause the axis of the rebound tester in the inner cavity of the protective box to be unable to be perpendicular to the dam body, thereby affecting the test result of the dam body strength.

[0037] Working principle: when testing the strength of the dam body, hold the handle 95 to move the telescopic rod 94 to take it out of the inner cavity of the U-shaped buckle 96, and then use the telescopic rod 94 to loosen the protection box 1, so that the protection box 1 can move on the surface of the dam body using the universal wheel 15. When the telescopic rod 94 is used to control the movement of the protection box 1 on the dam body, the curved pipe 93 can be used to cooperate with the U-shaped rotating block 92 to control the angle of the protection box 1 on the dam body, so that the protection box 1 is always in contact with the surface of the dam body, and at the same time, the axis of the rebound tester 7 is perpendicular to the dam body; When the protective box 1 is driven to move, the torsion spring 14 twists the fixed plate 13 to rotate, and the fixed plate 13 drives the rotating shaft 12 to rotate, and the rotating shaft 12 drives the cleaning blade 5 to rotate, so that the cleaning blade 5 is always in contact with the surface of the dam body, and then the moss and other weeds on the surface of the dam body are removed and cleaned during the movement of the protective box 1, so as to prevent the moss and other weeds from affecting the rebound rod of the rebound tester 7 to press the surface of the dam body, causing the rebound tester 7 to be unable to accurately perform strength detection on the dam body. After driving the protection box 1 to move to the position where the dam body needs to be inspected, the screw rod 17 is driven to rotate, and the screw rod 17 is threaded to drive the sliding block 22 to move in the inner cavity of the protection box 1. At the same time, the sliding block 22 drives the sliding frame 16 to move, and then the sliding frame 16 drives the hydraulic push rod 61 to move horizontally according to the arrangement of the grid plate 10, and then drives the mounting frame 18 to move in the inner cavity of the sliding frame 16, thereby driving the hydraulic push rod 61 to move longitudinally. After the adjustment is completed, the rebound tester 7 is driven to move vertically downward by starting the hydraulic push rod 61. The rebound hammer 7 is passed through the grid plate 10 and contacts the dam body. At the same time, the axis of the rebound hammer 7 is always perpendicular to the dam body. The dam body is pressed by the impact rod. After the pressing is completed, the hydraulic push rod 61 drives the rebound hammer 7 to slide into the inner cavity of the protection box 1. The impact rod extends from the rebound hammer 7 and quickly resets. The data detected by the rebound hammer 7 is transmitted to the operator's mobile phone or computer through a signal, so that the operator can record the test results. In addition, the dam body is tested for fourteen impacts according to the number of meshes of the grid plate 10, and then it is observed whether the rebound value is normal.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A strength detection device for a water conservancy project dam, characterized in that: The protective box (1) comprises a protective box (1), wherein a first fixed block (4) is fixedly connected to one side of the protective box (1), a rotating groove (11) is provided inside the first fixed block (4), a rotating shaft (12) is rotatably connected to the inner cavity of the rotating groove (11), cleaning blades (5) are fixedly connected to both ends of the rotating shaft (12), a grid plate (10) is installed at the lower end of the inner cavity of the protective box (1), two screw rods (17) are rotatably connected to the inner cavity of the protective box (1), a sliding block (22) is threadedly connected to the outer surface of the screw rod (17), a sliding frame (16) is fixedly connected between the sliding blocks (22), the inner cavity of the sliding frame (16) is slidably connected to a mounting frame (18), and the inner cavity of the mounting frame (18) is used to mount a hydraulic push component (6); The hydraulic push assembly (6) comprises a hydraulic push rod (61) sliding in the inner cavity of the mounting frame (18), a rebound hammer (7) is installed at the piston rod end of the hydraulic push rod (61), and the rebound hammer (7) is used for strength detection of the dam body.

2. The strength detection device for a water conservancy project dam according to claim 1 is characterized in that: The rotating shaft (12) is located outside the inner cavity of the rotating groove (11) and is fixedly connected to a fixed disk (13). Both ends of the fixed disk (13) are fixedly connected to torsion springs (14), and the torsion springs (14) are fixedly connected to the inner wall of the rotating groove (11).

3. The strength detection device for a water conservancy project dam according to claim 1 is characterized in that: The upper end surface of the mounting frame (18) is provided with a mounting groove (20); the upper end of the hydraulic push rod (61) is fixedly connected to a cross limit plate (62); the cross limit plate (62) is fixedly connected to the mounting groove (20); the piston rod end of the hydraulic push rod (61) is fixedly connected to a U-shaped buckle (63); the inner cavity of the U-shaped buckle (63) is used for clamping and installing the rebound tester (7).

4. The strength detection device for a water conservancy project dam according to claim 1 is characterized in that: A telescopic movable assembly (3) is arranged inside the lower end of the protection box (1), and the telescopic movable assembly (3) includes two storage grooves (31) opened on the lower end surface of the protection box (1), the inner cavities of the two storage grooves (31) are slidably connected to two sliders (33), and both ends of the two sliders (33) are fixedly connected to support rods (34), one end of the support rod (34) is rotatably connected to a connecting block (35), the lower end of the connecting block (35) is fixedly connected to a push plate (36), and universal wheels (15) are installed on both sides of the lower end surface of the push plate (36).

5. The strength detection device for a water conservancy project dam according to claim 4 is characterized in that: The inner cavity of the storage groove (31) is rotatably connected to two threaded rods (32), and a connecting rod (37) is fixedly connected between the two threaded rods (32). The connecting rod (37) is externally rotatably connected to a limit box (21), and the limit box (21) is fixedly connected to the inner wall of the storage groove (31). The two threaded rods (32) are respectively threadedly connected to the two sliders (33).

6. The strength detection device for a water conservancy project dam according to claim 5, characterized in that: An adsorption assembly (8) is arranged in the upper wall of the inner cavity of the storage groove (31), and the adsorption assembly (8) comprises an air pumping groove (81) provided in the upper wall of the inner cavity of the storage groove (31), a tension spring (82) is fixedly connected to the upper wall of the inner cavity of the air pumping groove (81), and a piston (83) is fixedly connected to one end of the tension spring (82).

7. The strength detection device for a water conservancy project dam according to claim 6, characterized in that: A traction rope (84) is fixedly connected to the lower end surface of the piston (83), one end of the traction rope (84) is fixedly connected to the connecting rod (37), one side of the inner wall of the air pumping groove (81) is provided with an air inlet and outlet hole (87), and an air guide tube (85) is installed in the inner cavity of the air inlet and outlet hole (87), one end of the air guide tube (85) is fixedly connected to a suction cup (86), and four suction cups (86) are provided and fixedly connected to the four corners of the lower end surface of the protection box (1).

8. The strength detection equipment for a water conservancy project dam according to claim 1 is characterized by: Electric push rods (19) are arranged in both sides of the inner cavity of the sliding frame (16), and the piston rod ends of the electric push rods (19) are fixedly connected to the mounting frame (18).

9. The strength detection device for a water conservancy project dam according to claim 1, characterized in that: A hinge is fixedly connected to one side of the upper end surface of the protection box (1), and a box cover (2) is fixedly connected to one end of the hinge. The box cover (2) is used to seal the protection box (1).

10. The strength detection equipment for a water conservancy project dam according to claim 1, characterized in that: A telescopic traction assembly (9) is fixedly connected to one side of the protection box (1), and the telescopic traction assembly (9) includes a second fixed block (91) fixedly connected to one side of the protection box (1), the second fixed block (91) is externally rotatably connected to a U-shaped rotating block (92), the upper end of the U-shaped rotating block (92) is rotatably connected to a bent pipe (93), one end of the bent pipe (93) is fixedly connected to a telescopic rod (94), one end of the telescopic rod (94) is fixedly connected to a handle (95), a U-shaped buckle (96) is fixedly connected to one side of the protection box (1), and the telescopic rod (94) is buckled with the U-shaped buckle (96).

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