Detection device for CFG pile composite foundation
By using an acoustic receiver connected to a pre-embedded acoustic logging tube in the CFG pile composite foundation testing device, combined with winch-controlled impact weights and camera observation, the problems of large errors and cumbersome procedures in traditional testing methods are solved, achieving both accuracy and safety in the testing.
Patent Information
- Application Number
- CN202423185522.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Traditional impact testing methods for CFG pile composite foundations are highly dependent on the operator's experience, and the testing process is cumbersome and prone to errors.
A detection device is adopted, including a camera drive assembly, a winch assembly, an impact weight assembly, and a fixing assembly. It is connected to a pre-embedded acoustic tube through an acoustic receiver. The winch controls the lifting and releasing of the impact weight. Combined with camera observation, the controllability and accuracy of the detection process are achieved.
It improves the accuracy and efficiency of detection, reduces signal attenuation, ensures consistent impact force each time, provides intuitive visual data for easy subsequent analysis, and ensures the safety of the detection process.
Smart Images
Figure CN223824237U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to CFG pile construction process technical field especially relates to a detection device for CFG pile composite foundation. BACKGROUND
[0002] CFG pile composite foundation is cement, fly ash, gravel, stone chips or sand and water and forms the cement fly ash gravel pile (CFG pile) of high cohesive strength, and the pile, the soil between piles and the mattress layer together constitute the composite foundation, the construction site is in soft soil area during the construction process of CFG pile, the soft soil in construction area is high in natural water content, large in natural porosity ratio, low in bearing capacity and shear strength.
[0003] At present, impact detection is one of the important methods for evaluating the performance of CFG pile composite foundation. By simulating the impact under the actual load condition, the bearing capacity, integrity and settlement performance of CFG pile can be evaluated. Impact detection has the advantages of simple operation, low cost and short detection time, and is suitable for large-scale detection. However, the traditional impact detection method has limitations, is greatly affected by the experience of the operator, and the detection work of the operator is tedious, and large errors may occur in the operation process. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a detection device for CFG pile composite foundation to solve the problems of traditional impact detection method of CFG pile, such as limitation, great influence by operator's experience, tedious detection work of operator and large errors in operation process.
[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] The utility model provides a detection device for CFG pile composite foundation, which comprises a camera driving assembly, a winch assembly, an impact weight assembly and a fixing assembly, the camera driving assembly is arranged on the top of the steel support of the fixing assembly, the winch assembly is arranged on the bottom plate of the fixing assembly, the impact weight assembly is arranged in the middle part of the fixing assembly, and the impact weight assembly is connected with the winch assembly through the steel wire rope, the tail part of the steel wire rope in the middle part of the impact weight assembly is fixed with the impact weight, the impact weight is opposite to the top center position of the CFG pile, the camera in the camera driving assembly is connected with the first motor and the second motor in the winch assembly, and the sound wave receiver is arranged on the fixed bottom plate of the fixing assembly and connected with the first motor and the second motor.
[0007] Further, the camera driving assembly comprises a camera driving fixed plate, a second motor, a guide rail, a camera fixed support, a camera, a fixed folding plate, a camera support connecting plate, a lead screw, and a fixed sliding block. The camera driving fixed plate is arranged outside two horizontal installation steel bars at the top of the steel bar support. The second motor is fixed on the camera driving fixed plate. The second motor is connected with the lead screw fixed on the lead screw mounting seat through a shaft coupling. The lead screw is connected with the camera support connecting plate through a lead screw nut. The guide rail is symmetrically arranged with the vertical axis of the camera driving fixed plate. The fixed sliding block is symmetrically fixed at the bottom of the camera support connecting plate and is in sliding connection with the guide rail. The camera fixed support is fixed outside the camera support connecting plate. The horizontal part of the fixed folding plate is fixed with the camera fixed support. The vertical part of the fixed folding plate is fixed with the camera.
[0008] Further, the camera fixed support comprises a first horizontal steel bar, an inclined steel bar, and a first connecting steel bar. The first horizontal steel bar and the inclined steel bar are arranged at an acute angle. The first connecting steel bar is arranged at the connection between the first horizontal steel bar and the inclined steel bar. The horizontal part of the fixed folding plate is fixed with the upper surface of the first connecting steel bar.
[0009] Further, the winch assembly comprises a winch, a first motor, and a steel wire rope. The winch is driven by the first motor. The steel wire rope is arranged in the winch. The winch is fixed with the fixed base plate. The wire outlet of the steel wire rope in the winch is opposite to the first deflection wheel above.
[0010] Further, the impact weight assembly comprises a fixed steel bar, an impact weight, a deflection wheel mounting plate, a second deflection wheel, and a first deflection wheel. The second deflection wheel and the first deflection wheel are mounted on the upper part of the deflection wheel mounting plate. The first deflection wheel is opposite to the winch. The second deflection wheel is located outside the first deflection wheel. The diameters of the first deflection wheel and the second deflection wheel are consistent. The deflection wheel mounting plate is provided with a first rectangular through hole and a second rectangular through hole. The first rectangular through hole is located below the first deflection wheel and is passed through by the steel wire rope. The second rectangular through hole is arranged at the position where the steel wire rope passing through the second deflection wheel suspends the impact weight. The fixed steel bar is arranged at the bottom of the deflection wheel mounting plate. The steel wire rope extends from the winch, passes through the first deflection wheel and the second deflection wheel in sequence, and is fixed with the steel bar support.
[0011] Further, the fixed assembly comprises a steel bar support, a fixed base plate, and a moving wheel. The steel bar support is arranged above the fixed base plate. The moving wheel is fixed at the four corners of the lower part of the fixed base plate. The fixed base plate is provided with a third rectangular through hole. The rectangular through hole is opposite to the impact weight above.
[0012] Further, the acoustic receiver is connected with the acoustic measuring pipe pre-buried in the CFG pile.
[0013] Compared with the prior art, the detection device for the CFG pile composite foundation has the following advantages:
[0014] (1) In the impact detection of the CFG pile composite foundation, the sound wave receiver is connected with the acoustic pipe pre-buried in the CFG pile, the impact weight is lifted by using the winch, the internal winch motor is observed and adjusted through the upper camera, the camera position is adjusted during the observation process, and therefore the detection accuracy and efficiency can be remarkably improved.
[0015] (2) In the utility model, the sound wave receiver is directly connected with the acoustic pipe in the pile, more direct and intense sound wave signals can be captured, and signal attenuation is reduced. In actual implementation, the acoustic pipe can be pre-buried at multiple positions of the pile body, multi-point detection can be carried out, and the integrity of the pile can be comprehensively evaluated. The winch can ensure that the lifting height is consistent each time, so that the impact force of each impact is consistent, the standardization degree of detection is improved, the lifting speed and the release speed of the impact weight are adjusted through the control of the winch, the controllability of the impact process is ensured. The winch itself can also be provided with safety protection devices such as an emergency stop button and a safety lock, so as to ensure the safety of the detection operation process. The upper camera can observe the dynamic response of the pile top in real time, provide intuitive visual data, record the video of the impact process, provide detailed visual data, facilitate subsequent analysis, and adjust the impact test process. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its
[0017] In the drawings:
[0018] Fig. 1 FIG. 1 is a schematic view of a shaft side of the detection device for the CFG pile composite foundation according to an embodiment of the application;
[0019] Fig. 2 FIG. 4 is an enlarged schematic view of the camera driving assembly in the detection device for the CFG pile composite foundation according to an embodiment of the application.
[0020] Legend of the reference signs:
[0021] 1, mobile wheel; 2, fixed bottom plate; 3, first motor; 4, profile steel support; 5, camera drive fixed plate; 6, second motor; 7, guide rail; 8, camera fixed support; 9, camera; 10, fixed folding plate; 11, camera support connecting plate; 12, fixed profile steel; 13, winch; 14, impact weight; 15, steering wheel mounting plate; 16, second steering wheel; 17, first steering wheel; 18, screw rod; 19, steel wire rope; 20, fixed sliding block; 21, acoustic wave receiver. DETAILED DESCRIPTION
[0022] 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.
[0023] 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 the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "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.
[0024] In the description of the present application, it should be noted that, unless otherwise 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 it can be 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 according to the specific circumstances.
[0025] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0026] Reference Figs. 1-2As shown, the embodiment provides a detection device for CFG pile composite foundation, comprising a camera driving assembly, a winch assembly, an impact weight assembly, a fixing assembly, the camera driving assembly is arranged on the top of the steel support 4 of the fixing assembly, the winch assembly is arranged on the bottom plate of the fixing assembly, the impact weight assembly is arranged in the middle of the fixing assembly, and the impact weight assembly is connected with the winch assembly through the steel wire rope 19, the tail of the steel wire rope 19 in the middle of the impact weight assembly is fixed with the impact weight 14, the impact weight 14 is opposite to the top center position of the CFG pile, the camera 9 in the camera driving assembly is connected with the first motor 3 and the second motor 6 in the winch assembly, and the sound wave receiver 21 is arranged on the fixed bottom plate 2 of the fixing assembly and connected with the first motor 3 and the second motor 6.
[0027] Specifically, in the embodiment, the camera driving assembly comprises a camera driving fixed plate 5, a second motor 6, a guide rail 7, a camera fixed support 8, a camera 9, a fixed folding plate 10, a camera support connecting plate 11, a lead screw 18 and a fixed sliding block 20, the camera driving fixed plate 5 is arranged outside the two horizontal installation steel steels at the uppermost of the steel support 4, the second motor 6 is fixed on the camera driving fixed plate 5, the second motor 6 is connected with the lead screw 18 fixed on the lead screw mounting seat through a shaft coupling, the lead screw 18 is connected with the camera support connecting plate 11 through a lead screw nut, the guide rail 7 is symmetrically arranged with the vertical axis of the camera driving fixed plate 5, the fixed sliding block 20 is symmetrically fixed at the bottom of the camera support connecting plate 11 and connected with the guide rail 7 in sliding mode, the camera fixed support 8 is fixed outside the camera support connecting plate 11, the horizontal part of the fixed folding plate 10 is fixed with the camera fixed support 8, and the vertical part of the fixed folding plate 10 is fixed with the camera 9.
[0028] Specifically, in the embodiment, the camera fixed support 8 comprises a first horizontal steel, an inclined steel and a first connecting steel, the first horizontal steel and the inclined steel are arranged at an acute angle, a first connecting steel is arranged at the connection of the first horizontal steel and the inclined steel, and the horizontal part of the fixed folding plate 10 is fixed with the upper surface of the first connecting steel.
[0029] Specifically, in the embodiment, the winch assembly comprises a winch 13, a first motor 3 and a steel wire rope 19, the winch 13 is driven by the first motor 3, the steel wire rope 19 is arranged in the winch 13, the winch 13 is fixed with the fixed bottom plate 2, and the wire outlet of the steel wire rope 19 in the winch 13 is opposite to the first deflection wheel 17 above.
[0030] Specifically, in this embodiment, the impact weight assembly includes a fixed steel 12, an impact weight 14, a steering wheel mounting plate 15, a second steering wheel 16, a first steering wheel 17, the second steering wheel 16 and the first steering wheel 17 are placed on the steering wheel mounting plate 15, the first steering wheel 17 is opposite to the winch 13, the second steering wheel 16 is located outside the first steering wheel 17, the second steering wheel 16 and the first steering wheel 17 are placed at the same diameter of the steel wire rope 19, the steering wheel mounting plate 15 is provided with a first rectangular through hole and a second rectangular through hole, the first rectangular through hole is located below the first steering wheel 17, the second rectangular through hole is provided at the position where the steel wire rope passing through the second steering wheel 16 suspending the impact weight 14, the bottom of the steering wheel mounting plate 15 is provided with the fixed steel 12, the steel wire rope 19 extends from the winch 13 and passes through the first steering wheel 17 and the second steering wheel 16 in turn, and the fixed steel 12 is fixed with the steel support 4.
[0031] Specifically, in this embodiment, the fixed assembly includes a steel support 4, a fixed bottom plate 2 and a moving wheel 1, the steel support 4 is arranged above the fixed bottom plate 2, the moving wheel 1 is fixed at the four corners of the lower part of the fixed bottom plate 2, and the fixed bottom plate 2 is provided with a third rectangular through hole in the middle, and the rectangular through hole is opposite to the impact weight 14 above.
[0032] Specifically, in this embodiment, the acoustic receiver 21 is connected with the acoustic measuring pipe pre-buried in the CFG pile.
[0033] In the impact detection of the CFG pile composite foundation in the embodiment, the acoustic receiver is connected with the acoustic measuring pipe pre-buried in the CFG pile, the impact weight is lifted by the winch, the internal winch motor is observed and adjusted through the upper camera, the camera position is adjusted during the observation process, and the accuracy and efficiency of the detection can be significantly improved.
[0034] The acoustic receiver is directly connected with the acoustic measuring pipe in the pile, can capture more direct and intense acoustic signals, and reduce signal attenuation. In actual implementation, the acoustic measuring pipe can be pre-buried at multiple positions of the pile body for multi-point detection to comprehensively evaluate the integrity of the pile. The winch can ensure the consistency of the lifting height each time, thereby ensuring the consistency of the impact force each time, improving the standardization degree of the detection, adjusting the lifting speed and release speed of the impact weight through the control of the winch, and ensuring the controllability of the impact process. The winch itself can also have safety protection devices such as an emergency stop button and a safety lock to ensure the safety of the detection operation process. The upper camera can observe the dynamic response of the pile top in real time, provide intuitive visual data, record the video of the impact process, provide detailed visual data, facilitate subsequent analysis, and adjust the impact test process.
[0035] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A testing device for CFG pile composite foundations, characterized in that, The assembly includes a camera drive assembly, a winch assembly, an impact weight assembly, and a fixing assembly. The camera drive assembly is located on the top of the steel bracket (4) of the fixing assembly. The winch assembly is located on the base plate of the fixing assembly. The impact weight assembly is located in the middle of the fixing assembly and is connected to the winch assembly by a steel wire rope (19). The tail of the steel wire rope (19) in the middle of the impact weight assembly is fixed to the impact weight (14). The impact weight (14) is positioned directly opposite the top center of the CFG pile. The camera drive assembly includes a camera (9) connected to the first motor (3) and the second motor (6) in the winch assembly. The fixing base plate (2) of the fixing assembly is equipped with a sound wave receiver (21), which is connected to the first motor (3) and the second motor (6).
2. The detection device for CFG pile composite foundation according to claim 1, characterized in that, The camera drive assembly includes a camera drive mounting plate (5), a second motor (6), a guide rail (7), a camera mounting bracket (8), a camera (9), a fixed folding plate (10), a camera support connecting plate (11), a lead screw (18), and a fixed slider (20). The camera drive mounting plate (5) is located on the outer side of the two uppermost horizontally mounted steel sections of the steel frame (4). The second motor (6) is fixed on the camera drive mounting plate (5). The second motor (6) is connected to the lead screw (18) fixed on the lead screw mounting seat via a coupling. The lead screw (18) is connected to the camera support connecting plate (11) through the lead screw nut. The guide rail (7) is symmetrically arranged with respect to the vertical axis of the camera drive fixing plate (5). The fixing slider (20) is symmetrically fixed at the bottom of the camera support connecting plate (11) and slidably connected with the guide rail (7). The camera fixing bracket (8) is fixed on the outside of the camera support connecting plate (11). The horizontal part of the fixing folding plate (10) is fixed to the camera fixing bracket (8), and the vertical part of the fixing folding plate (10) is fixed to the camera (9).
3. The detection device for CFG pile composite foundation according to claim 2, characterized in that, The camera mounting bracket (8) includes a first horizontal steel, an inclined steel and a first connecting steel. The first horizontal steel and the inclined steel are set at an acute angle. The first connecting steel is provided at the connection between the first horizontal steel and the inclined steel. The horizontal part of the fixing plate (10) is fixed to the upper surface of the first connecting steel.
4. The detection device for CFG pile composite foundation according to claim 1, characterized in that, The winch assembly includes a winch (13), a first motor (3), and a wire rope (19). The winch (13) is driven by the first motor (3). The wire rope (19) is located inside the winch (13). The winch (13) is fixed to the base plate (2), and the outlet of the wire rope (19) in the winch (13) is directly opposite the first steering wheel (17) above.
5. The detection device for CFG pile composite foundation according to claim 1, characterized in that, The impact weight assembly includes a fixed steel section (12), an impact weight (14), a steering wheel mounting plate (15), a second steering wheel (16), and a first steering wheel (17). The second steering wheel (16) and the first steering wheel (17) are mounted on the upper part of the steering wheel mounting plate (15). The first steering wheel (17) faces the winch (13). The second steering wheel (16) is located outside the first steering wheel (17). The diameter of the steel wire rope (19) is the same for both the second steering wheel (16) and the first steering wheel (17). The mounting plate (15) is provided with a first rectangular through hole and a second rectangular through hole. The first rectangular through hole is located below the first steering wheel (17) where the wire rope passes through. The second rectangular through hole is located at the point where the wire rope of the second steering wheel (16) suspends the impact weight (14) and passes through. The bottom of the steering wheel mounting plate (15) is provided with the fixed steel section (12). The wire rope (19) extends from the winch (13) and passes through the first steering wheel (17) and the second steering wheel (16) in sequence. The fixed steel section (12) is fixed to the steel section bracket (4).
6. The detection device for CFG pile composite foundation according to claim 1, characterized in that, The fixing components include a steel bracket (4), a fixed base plate (2), and a moving wheel (1). The steel bracket (4) is located above the fixed base plate (2). The moving wheel (1) is fixed at the four corners of the lower part of the fixed base plate (2). The fixed base plate (2) has a third rectangular through hole in the middle, and the rectangular through hole faces the impact weight (14) above.
7. The detection device for CFG pile composite foundation according to claim 1, characterized in that, The acoustic receiver (21) is connected to the acoustic logging pipe pre-embedded in the CFG pile.