Mechanized high-strain guide hammering system

Abstract

A mechanical high-strain guide hammering system comprises a vertical guide frame and a heavy hammer, the vertical guide frame is of a rectangular frame structure with an opening in the lower end, a hydraulic winch is fixedly mounted at the upper end of the vertical guide frame, a lifting seat is slidably mounted in the vertical guide frame, and the hydraulic winch is connected with the lifting seat through a steel cable; the lower surface of the lifting seat is connected with a hydraulic unhooking hook; a lifting point is arranged on the upper surface of the heavy hammer, the heavy hammer is connected with the hydraulic unhooking hook through the lifting point, the hydraulic unhooking hook achieves releasing and locking of the heavy hammer through a control oil way, and the heavy hammer moves up and down along an inner cavity of the vertical guide frame. A hinge seat is arranged on the side face of the vertical guide frame body, and the vertical guide frame body is connected with a mechanical arm of the excavator through the hinge seat. According to the invention, the defects in the prior art are overcome, the accurate positioning of the heavy hammer in the hammering process can be effectively ensured, the device is suitable for different detection environments, the risk of manual intervention is greatly reduced, and the operation efficiency and safety are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of engineering detection equipment, and particularly relates to a mechanized high-strain guided hammering system. Background Art

[0002] When detecting the vertical compressive bearing capacity and pile shaft integrity of a single pile by the high-strain method, each detection specification such as the Technical Code for Building Foundation Pile Testing and the Technical Specification for Highway Engineering Foundation Pile Testing clearly stipulates the use of special hammering equipment with a stable guiding device.

[0003] However, the currently commonly used steel structure guiding device installed manually has problems such as cumbersome installation, requiring a large amount of manpower and time, resulting in an extended construction period; high investment in labor and consumables, increasing the detection cost; low mechanization level, relying on manual operation, low efficiency and safety, and cannot meet the requirements of modern construction projects with a tight construction period, poor site conditions and high facility costs. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a mechanized high-strain guided hammering system, which overcomes the deficiencies of the prior art, is reasonably designed, can effectively ensure the accurate positioning of the heavy hammer during the hammering process, and adapts to different detection environments, and also greatly reduces the risk of manual intervention, improves the operation efficiency and safety.

[0005] To achieve the above object, the present invention is realized through the following technical solutions:

[0006] A mechanized high-strain guided hammering system includes a vertical guiding frame and a heavy hammer. The vertical guiding frame is a rectangular frame structure with an open lower end. A hydraulic winch is fixedly installed at the upper end of the vertical guiding frame. A lifting seat is slidably installed inside the vertical guiding frame. The hydraulic winch is connected to the lifting seat through a steel cable. A hydraulic type hook release is connected to the lower surface of the lifting seat. A hanging point is provided on the upper surface of the heavy hammer. The heavy hammer is connected to the hydraulic type hook release through the hanging point. The hydraulic type hook release realizes the release and locking of the heavy hammer through a control oil circuit. The heavy hammer moves up and down along the inner cavity of the vertical guiding frame;

[0007] A hinge seat is provided on the side surface of the vertical guiding frame. The vertical guiding frame is connected to the robotic arm of an excavator through the hinge seat.

[0008] Preferably, the vertical guiding frame is made of high-strength steel plate with a thickness of 14 mm. The surface of the high-strength steel plate is coated with an anti-rust and wear-resistant coating.

[0009] Preferably, a spirit level is fixedly installed on the outer surface of the vertical guiding frame.

[0010] Preferably, guide wheel support frames are installed at the four corner positions of the lower surface of the lifting seat. A guide wheel is rotatably installed on the side surface of the guide wheel support frame through a rotating shaft, and the guide wheel is in contact with the inner wall of the vertical guide frame.

[0011] Preferably, a plurality of bolt locking holes are provided at the edge of the upper surface of the weight, and a plurality of bolt mounting holes are provided at the lower edge of the weight. The bolt mounting holes correspond to the bolt locking holes; a groove is formed in the middle of the lower surface of the weight, and the groove corresponds to the hanging point.

[0012] Preferably, the hydraulic type hook release includes a first hook body and a second hook body. A rotating shaft seat is fixedly connected to the middle of the lower surface of the lifting seat. The middle of the first hook body and the middle of the second hook body are both rotatably connected to the rotating shaft seat through a rotating shaft. First semi-circular gears and second semi-circular gears are respectively arranged on the opposite side surfaces of the first hook body and the second hook body, and the first semi-circular gear and the second semi-circular gear are meshed with each other. The lower ends of the first hook body and the second hook body are cooperatively connected with the hanging point. The upper ends of the first hook body and the second hook body are respectively connected to both ends of the hydraulic cylinder through a rotating shaft. The hydraulic cylinder realizes the relative rotation of the first hook body and the second hook body through a control oil circuit to realize the release and locking of the weight.

[0013] An upper support frame is fixedly installed at the upper end of the inner cavity of the vertical guide frame. A fixed pulley is horizontally installed in the middle of the upper support frame. A lower support frame is fixedly installed on the upper surface of the lifting seat. A movable pulley is horizontally installed in the middle of the lower support frame. The steel cable is sequentially wound between the fixed pulley and the movable pulley, and the end of the steel cable is fixedly connected to the upper support frame.

[0014] Preferably, a plurality of first grooves are circumferentially formed on the outer surface of the fixed pulley, and a plurality of second grooves are circumferentially formed on the outer surface of the movable pulley. The first grooves correspond to the second grooves, and the steel cable sequentially passes around the first grooves and the second grooves.

[0015] The present invention provides a mechanized high-strain guided hammering system, which has the following beneficial effects: by setting the vertical guide frame, the accurate positioning of the weight during the hammering process is ensured, and the deviation is reduced; through the coordinated control of the hydraulic type hook release and the hydraulic winch, the accurate release and lifting of the weight can be effectively ensured, providing a reliable technical guarantee for high-strain testing. At the same time, since the entire vertical guide frame is connected to the robotic arm of the excavator, the position and angle can be flexibly adjusted to adapt to different testing environments, further broadening the application range of high-strain testing. Through this design, not only the operation process is simplified, but also the risk of manual intervention is greatly reduced, improving the operation efficiency and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the technical solutions in the present invention or the prior art, the following will briefly introduce the drawings required in the description of the prior art.

[0017] Figure 1 Structural schematic diagram of the present invention;

[0018] Figure 2 Cross-sectional structural schematic diagram of the present invention;

[0019] Figure 3 Structural schematic diagram of the weight in the present invention;

[0020] Figure 4 Structural schematic diagram of the hydraulic type hook release in the present invention;

[0021] Explanation of the reference numerals in the figure:

[0022] 1. Vertical guiding frame; 2. Weight; 3. Hydraulic winch; 4. Lifting seat; 5. Steel cable; 6. Hydraulic type hook release; 7. Hoisting point; 8. Hinge seat; 9. Mechanical arm of the excavator; 10. Level tube; 11. Guide wheel support frame; 12. Guide wheel; 13. Bolt locking hole; 14. Bolt mounting hole; 15. Rotating shaft seat; 16. Upper support frame; 17. Fixed pulley; 18. Lower support frame; 19. Movable pulley; 61. First hook body; 62. Second hook body; 63. First semi-circular gear; 64. Second semi-circular gear; 65. Hydraulic cylinder. Specific implementation manners

[0023] To make the objectives, technical solutions and advantages of the present invention clearer, the following will clearly and completely describe the technical solutions in the present invention with reference to the accompanying drawings in the present invention.

[0024] Example 1, as Figures 1-4 shown, a mechanized high-strain guided hammering system includes a vertical guiding frame 1 and a weight 2. The vertical guiding frame 1 is a rectangular frame structure with an open lower end. A hydraulic winch 3 is fixedly installed at the upper end of the vertical guiding frame 1. A lifting seat 4 is slidably installed inside the vertical guiding frame 1. The hydraulic winch 3 is connected to the lifting seat 4 through a steel cable 5. The lower surface of the lifting seat 4 is connected with a hydraulic type hook release 6; a hoisting point 7 is arranged on the upper surface of the weight 2. The weight 2 is connected to the hydraulic type hook release 6 through the hoisting point 7. The hydraulic type hook release 6 realizes the release and locking of the weight 2 through the control oil circuit. The weight 2 moves up and down along the inner cavity of the vertical guiding frame 1;

[0025] A hinge seat 8 is arranged on the side surface of the vertical guiding frame 1. The vertical guiding frame 1 is connected to the mechanical arm 9 of the excavator through the hinge seat 8. In this embodiment, the control oil circuits of the hydraulic winch 3 and the hydraulic type hook release 6 are both connected to the hydraulic control system of the excavator through oil pipes.

[0026] Working principle:

[0027] In use, first, the entire mechanized high-strain guided hammering system is transported to the detection project site by a flatbed truck, and the heavy hammer 2 is placed at a predetermined position. Then, the robotic arm 9 of the excavator is used to precisely adjust the position and angle of the vertical guiding frame 1 to ensure that the lower end of the vertical guiding frame 1 covers the upper part of the heavy hammer 2.

[0028] After that, the hydraulic winch 3 is started to release the steel cable 5, so that the lifting seat 4 descends along the inner cavity of the vertical guiding frame 1 until the hydraulic hook 6 corresponds to the lifting point 7 on the upper surface of the heavy hammer 2. Then, the hydraulic control oil circuit of the hydraulic hook 6 is controlled to make the hydraulic hook 6 connect and lock with the lifting point 7 correspondingly, ensuring a firm connection between the hydraulic hook 6 and the heavy hammer 2. Then, the steel cable 5 of the hydraulic winch 3 is tightened, so that the heavy hammer 2 can be driven by the lifting seat 4 to slowly rise along the inner cavity of the vertical guiding frame 1 to a predetermined height. Then, the robotic arm 9 of the excavator is used to drive the vertical guiding frame 1 together with the heavy hammer 2 to move to the position of the pile body, so that the vertical guiding frame 1 covers the upper part of the pile body, and the position and angle of the vertical guiding frame 1 are adjusted by the robotic arm 9 of the excavator to ensure that the heavy hammer 2 is aligned with the center of the pile body and the perpendicularity of the vertical guiding frame 1 is ensured.

[0029] Then, the hydraulic control oil circuit of the hydraulic hook 6 is controlled to make the hydraulic hook 6 disengage from the lifting point 7, thereby releasing the heavy hammer 2, so that the heavy hammer 2 freely falls along the inner cavity of the vertical guiding frame 1 under the action of gravity to strike the predetermined pile top, and then a hammering operation is completed.

[0030] After the heavy hammer 2 hammers the pile body, the steel cable 5 can be released by controlling the hydraulic winch 3, so that the lifting seat 4 descends again above the heavy hammer 2, and the hydraulic control oil circuit of the hydraulic hook 6 is controlled to make the hydraulic hook 6 reconnect with the lifting point 7, thereby locking the heavy hammer 2 again. Then, the heavy hammer 2 is lifted to a predetermined height by the hydraulic winch 3, and the above steps are repeated to achieve multiple hammerings to complete the high-strain detection hammering process.

[0031] Through the coordinated control of the hydraulic hook 6 and the hydraulic winch 3 provided by the present invention, the precise release and lifting of the heavy hammer 2 can be effectively ensured, providing a reliable technical guarantee for high-strain detection. At the same time, since the entire vertical guiding frame 1 is connected to the robotic arm 9 of the excavator, the position and angle can be flexibly adjusted to adapt to different detection environments, further broadening the application range of high-strain detection. Through this design, not only is the operation process simplified, but also the risk of manual intervention is greatly reduced, improving the operation efficiency and safety.

[0032] In addition, a sensor system can be provided on the pile to be inspected in the present invention, so that the force data of the pile can be collected in real time by the sensor and transmitted to the central control system for analysis to accurately evaluate the bearing capacity of the pile and ensure the accuracy and reliability of the detection results. Through data feedback, the operator can adjust the hammering force and frequency in real time to optimize the detection process and further improve the detection accuracy.

[0033] Embodiment 2, as a further preferred solution of Embodiment 1, the vertical guide frame 1 is made of high-strength steel plate with a thickness of 14 mm. The surface of the high-strength steel plate is coated with an anti-rust and wear-resistant coating. By using a high-strength steel plate with a thickness of 14 mm to make the structure of the vertical guide frame 1, the rigidity and stability of the frame are effectively enhanced, ensuring that the frame does not deform during the hammering process, improving the hammering accuracy and repeatability, and further ensuring the accuracy and reliability of the detection data. And by coating the surface of the vertical guide frame 1 with an anti-rust and wear-resistant coating, the service life of the vertical guide frame 1 is prolonged and the maintenance cost is reduced. At the same time, the coating can also reduce friction, ensure the smooth falling of the heavy hammer 2, and improve the operation efficiency.

[0034] Embodiment 3, as a further preferred solution of Embodiment 1, two spirit levels 10 are fixedly installed on the outer surface of the vertical guide frame 1. By providing the spirit levels 10, it is used to check the verticality of the vertical guide frame 1 after it is in place, and then ensure the accuracy of the hammering operation. The installation position of the spirit levels 10 ensures clear visibility and is convenient for the operator to read quickly. And the spirit levels 10 can be calibrated regularly to ensure its measurement accuracy, further optimizing the reliability and stability of the entire hammering system.

[0035] Embodiment 4, as a further preferred solution of Embodiment 1, two guide wheel support frames 11 are installed at the four corner positions on the lower surface of the lifting seat 4. Guide wheels 12 are rotatably installed on the sides of the two guide wheel support frames 11 through rotating shafts, and the two guide wheels 12 at each corner are respectively in contact with the adjacent side walls of the inner cavity of the vertical guide frame 1. Therefore, through the rolling cooperation of the guide wheels 12 and the inner wall of the vertical guide frame 1, it can not only ensure the smooth up and down movement of the lifting seat 4 in the vertical guide frame 1, but also effectively reduce the friction resistance, ensuring the smoothness and accuracy of the lifting process. In this embodiment, the guide wheels 12 are made of high wear-resistant materials, specifically polyimide materials, so as to significantly extend the service life of the guide wheels 12.

[0036] Embodiment 5, as a further preferred solution of Embodiment 1, a plurality of inverted trapezoidal bolt locking holes 13 are provided at the edge of the upper surface of the weight 2, and a plurality of trapezoidal bolt mounting holes 14 are provided at the edge below the weight 2. The bolt mounting holes 14 correspond to the bolt locking holes 13; a groove is formed in the middle of the lower surface of the weight 2, and the groove corresponds to the suspension point 7. Therefore, when it is necessary to configure the weight 2 with a corresponding weight, two weights 2 can be stacked up and down, and bolts are respectively passed through the bolt locking holes 13 and the bolt mounting holes 14 and connected and fixed with nuts, so as to realize the tight connection of the two weights 2. Specifically, a locking nut can be provided in the bolt locking hole 13, and then the bolt is inserted downward from the bolt mounting hole 14 into the bolt locking hole 13 and matched with the nut, and then tightened by the cooperation of the locking nut and the bolt, so as to realize the tight connection of the two weights 2. Then, different combinations of weights can be realized according to needs, flexibly coping with various operation requirements, and improving the adaptability and practicability of the hammering system.

[0037] Embodiment 6, as a further preferred solution of Embodiment 1, the hydraulic type hook release 6 includes a first hook body 61 and a second hook body 62. A rotating shaft seat 15 is fixedly connected to the middle of the lower surface of the lifting seat 4. The middle of the first hook body 61 and the middle of the second hook body 62 are both rotatably connected to the rotating shaft seat 15 through rotating shafts. First semi-circular gears 63 and second semi-circular gears 64 are respectively arranged on the opposite sides of the first hook body 61 and the second hook body 62. The first semi-circular gears 63 and the second semi-circular gears 64 are meshed with each other. The lower ends of the first hook body 61 and the second hook body 62 are connected to the suspension point 7 in a matching manner. The upper ends of the first hook body 61 and the second hook body 62 are respectively connected to both ends of the hydraulic cylinder 65 through rotating shafts. The hydraulic cylinder 65 realizes the relative rotation of the first hook body 61 and the second hook body 62 through a control oil circuit, so as to realize the release and locking of the weight 2. In this embodiment, the control oil circuit of the hydraulic cylinder 65 is connected to the hydraulic control system of the excavator through a oil pipe.

[0038] Therefore, when it is necessary to connect the hydraulic decoupling hook 6 with the lifting point 7, the control oil circuit of the hydraulic cylinder 65 can be controlled to drive the piston rod of the hydraulic cylinder 65 to extend, so that both the first hook body 61 and the second hook body 62 rotate around the rotating shaft seat 15. Thus, through the lever principle, the lower ends of both the first hook body 61 and the second hook body 62 are tightly fitted with the lifting point 7, realizing the stable connection between the decoupling hook 6 and the lifting point 7. When it is necessary to separate the hydraulic decoupling hook 6 from the lifting point 7, only the control oil circuit of the hydraulic cylinder 65 needs to be controlled in the reverse direction to retract the piston rod of the hydraulic cylinder 65, so that the lower ends of the first hook body 61 and the second hook body 62 are separated from the lifting point 7, ensuring simple and efficient operation and improving the operation safety. And by arranging the first semi-circular gear 63 and the second semi-circular gear 64 on the opposite side surfaces of the first hook body 61 and the second hook body 62 respectively, the first semi-circular gear 63 and the second semi-circular gear 64 are meshed with each other, so that power can be transmitted through gear meshing, ensuring the synchronous rotation of the first hook body 61 and the second hook body 62, enhancing the connection stability, avoiding structural damage caused by eccentric load, and further optimizing the reliability and durability of the decoupling mechanism.

[0039] Embodiment Seven, as a further preferred scheme of Embodiment One, an upper support frame 16 is fixedly installed at the upper end of the inner cavity of the vertical guide frame body 1. A fixed pulley 17 is horizontally installed in the middle of the upper support frame 16. A lower support frame 18 is fixedly installed on the upper surface of the lifting seat 4. A movable pulley 19 is horizontally installed in the middle of the lower support frame 18. The steel cable 5 is successively wound between the fixed pulley 17 and the movable pulley 19, and the end of the steel cable 5 is fixedly connected to the upper support frame 16. Specifically, a plurality of first grooves are circumferentially formed on the outer surface of the fixed pulley 17, and a plurality of second grooves are circumferentially formed on the outer surface of the movable pulley 19. The first grooves and the second grooves correspond to each other, and the steel cable 5 successively bypasses the first grooves and the second grooves.

[0040] Therefore, by arranging the fixed pulley 17 and the movable pulley 19 to form a pulley block, the tension of the steel cable 5 can be effectively reduced through the pulley block principle, the bearing capacity of the lifting seat 4 can be improved, and then the smooth lifting of the heavy hammer 2 can be effectively ensured, avoiding the fracture risk caused by excessive steel cable tension, and ensuring the safety and reliability of the operation process.

[0041] Embodiment Eight, as a further preferred scheme of Embodiment Seven, a plurality of first grooves are circumferentially formed on the outer surface of the fixed pulley 17, and a plurality of second grooves are circumferentially formed on the outer surface of the movable pulley 19. The first grooves and the second grooves correspond to each other, and the steel cable 5 alternately bypasses the first grooves and the second grooves. By respectively arranging a plurality of first grooves and second grooves on the outer surfaces of the fixed pulley 17 and the movable pulley 19 and making the steel cable 5 alternately bypass these grooves, the mechanical distribution of the pulley block can be further optimized, and then the tension of the steel cable 5 can be further reduced, the bearing capacity of the lifting seat 4 can be improved, and the safety and reliability of the overall operation can be further improved.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A mechanized high strain guided hammering system, characterized in that: The utility model comprises a vertical guide frame (1) and a weight (2), wherein the vertical guide frame (1) is a rectangular frame structure with an opening at the lower end, a hydraulic winch (3) is fixedly installed at the upper end of the vertical guide frame (1), a lifting seat (4) is slidably installed inside the vertical guide frame (1), the hydraulic winch (3) is connected to the lifting seat (4) through a steel cable (5), and a hydraulic type unhooking (6) is connected to the lower surface of the lifting seat (4); a hanging point (7) is arranged on the upper surface of the weight (2), the weight (2) is connected to the hydraulic type unhooking (6) through the hanging point (7), the hydraulic type unhooking (6) realizes the release and locking of the weight (2) by controlling the oil circuit, and the weight (2) moves up and down along the inner cavity of the vertical guide frame (1); A hinge seat (8) is provided on the side of the vertical guide frame (1), and the vertical guide frame (1) is connected to the mechanical arm (9) of the excavator via the hinge seat (8).

2. A mechanized high strain guided hammering system according to claim 1, characterized in that: The vertical guide frame (1) is made of a high-strength steel plate with a thickness of 14 mm. The surface of the high-strength steel plate is coated with a rust-proof and wear-resistant coating.

3. A mechanized high strain guided hammering system according to claim 1, characterized in that: A level tube (10) is fixedly mounted on the outer surface of the vertical guide frame (1).

4. A mechanized high strain guided hammering system according to claim 1, characterized in that: Guide wheel support frames (11) are installed at the four corner positions of the lower surface of the lifting seat (4), and guide wheels (12) are rotatably installed on the side of the guide wheel support frame (11) through a rotating shaft, and the guide wheels (12) are in contact with the inner wall of the vertical guide frame (1).

5. A mechanized high strain guided hammering system according to claim 1, characterized in that: A plurality of bolt locking holes (13) are arranged at the edge of the upper surface of the weight (2), and a plurality of bolt mounting holes (14) are arranged at the edge of the lower surface of the weight (2), and the bolt mounting holes (14) correspond to the bolt locking holes (13); a groove is arranged in the middle of the lower surface of the weight (2), and the groove corresponds to the hanging point (7).

6. A mechanized high strain guided hammering system according to claim 1, characterized in that: The hydraulic unhooking (6) comprises a first hook body (61) and a second hook body (62). A rotating shaft seat (15) is fixedly connected in the middle of the lower surface of the lifting seat (4). The middle of the first hook body (61) and the middle of the second hook body (62) are both rotatably connected to the rotating shaft seat (15) through a rotating shaft. The first hook body (61) and the second hook body (62) are provided with a first semicircular gear (63) and a second semicircular gear (64) on the side edges opposite to each other. The first semicircular gear (63) and the second semicircular gear (64) are meshed with each other. The lower end of the first hook body (61) and the lower end of the second hook body (62) are matched and connected to the hanging point (7). The upper end of the first hook body (61) and the upper end of the second hook body (62) are respectively connected to the two ends of the hydraulic cylinder (65) through a rotating shaft. The hydraulic cylinder (65) realizes the relative rotation of the first hook body (61) and the second hook body (62) by controlling the oil circuit, so as to realize the release and locking of the heavy hammer (2).

7. A mechanized high strain guided hammering system according to claim 1, characterized in that: An upper support frame (16) is fixedly mounted on the upper end of the inner cavity of the vertical guide frame (1), a fixed pulley (17) is horizontally mounted in the middle of the upper support frame (16), a lower support frame (18) is fixedly mounted on the upper surface of the lifting seat (4), a movable pulley (19) is horizontally mounted in the middle of the lower support frame (18), the steel cable (5) is sequentially wound between the fixed pulley (17) and the movable pulley (19), and the end of the steel cable (5) is fixedly connected to the upper support frame (16).

8. A mechanized high strain guided hammering system according to claim 7, characterized in that: The fixed pulley (17) has a plurality of first grooves formed around its outer surface, and the movable pulley (19) has a plurality of second grooves formed around its outer surface. The first grooves correspond to the second grooves, and the steel cable (5) passes around the first grooves and the second grooves in sequence.

Images