Pile foundation counter-force detection structure of deep foundation

Abstract

The utility model relates to the technical field of pile foundation counter-force detection structures, and discloses a pile foundation counter-force detection structure of a deep foundation, which comprises a detection component and a counterweight component arranged at the top end of the detection component, the detection component comprises a counterweight table, one side of the counterweight table is fixedly connected with a control assembly, and the lower bottom surface of the counterweight table is fixedly connected with an electric control hydraulic cylinder. The counter weight assembly comprises a counter weight water tank, supporting legs are fixedly connected to the lower bottom face of the counter weight water tank, a handle is arranged at the upper end of the counter weight water tank, an installation hole is formed in the upper bottom face of the counter weight water tank, and a water inlet is formed in the upper end of the counter weight water tank. The surface of the outer side of the water inlet is movably connected with the cover, by arranging the balance weight assembly, the weight of the balance weight water tank can be accurately obtained by observing the scale marks while the cover is taken down to inject liquid into the balance weight water tank, and the total weight of the balance weight can be more accurately controlled in the mode that the balance weight water tanks are stacked.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation reaction force detection structures, in particular to a pile foundation reaction force detection structure for a deep foundation. Background Art

[0002] Pile foundation is the foundation of various buildings and facilities. It is necessary to carry out inspection in the early stage of construction to determine whether the deformation under the specified load is within the allowable range, so as to ensure the quality of various facilities built on this basis in the future and avoid safety hazards. The necessity of pile foundation bearing capacity inspection is that the pile foundation needs to be inspected using a reaction force device after it is manufactured.

[0003] Chinese patent document CN220414331U discloses a detection structure for frozen soil pile foundation bearing capacity test, including a crossbeam and a pile base body, the bottom of the crossbeam is bolted with a test mechanism, the top of the crossbeam is fixedly connected with a reinforcing steel, the bottom of the crossbeam is bolted with a lifting assembly, the bottom of the lifting assembly is bolted with a base, the top of the base is placed with a main counterweight, the test mechanism includes a hydraulic rod, a jack and a top plate, the top of the top plate is bolted to the bottom of the jack, and the existing frozen soil pile foundation bearing capacity test detection structure is mostly to place the jack on the top of the frozen soil pile foundation, and then the staff stacks the counterweight stones in turn. When the counterweight is completed, the staff needs to install the test equipment for testing. Due to the poor fixation of the spliced ​​structure, it is easy to slip and collapse during use, and the safety is low. However, the pile foundation detection device is detected by adding the corresponding counterweight after the detection device is installed. Each time the pile foundation is detected, the corresponding counterweight needs to be carried. The counterweight is not only heavy but also inconvenient to carry, which seriously affects the efficiency of the detection. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing pile foundation detection device is to add corresponding counterweight blocks for detection after the detection device is installed. Each time the pile foundation is detected, it is necessary to carry the corresponding counterweight blocks. The counterweight blocks are not only heavy but also inconvenient to carry, which seriously affects the detection efficiency. A pile foundation reaction force detection structure for a deep foundation is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a deep foundation pile foundation reaction force detection structure, including a detection component, and a counterweight component placed on the top of the detection component, the detection component includes a counterweight platform, a control assembly is fixedly connected to one side of the counterweight platform, an electric-controlled hydraulic cylinder is fixedly connected to the bottom surface of the counterweight platform, the lower end of the electric-controlled hydraulic cylinder is fixedly connected to a support leg, the middle part of the bottom surface of the counterweight platform is fixedly connected to the hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a top plate, the upper bottom surface of the top plate is fixedly connected to a hydraulic rod, the upper end of the hydraulic rod is fixedly connected to the counterweight platform, and the two sides of the counterweight platform are movably connected to support platforms, the counterweight component includes a counterweight water tank, the lower bottom surface of the counterweight water tank is fixedly connected to a support leg, the lower end of the support leg is movably connected to the counterweight platform, a handle is arranged on the upper end of the counterweight water tank, a mounting hole is opened on the upper bottom surface of the counterweight water tank, the inner surface of the mounting hole is movably connected to the support leg, a water inlet is arranged on the upper end of the counterweight water tank, and the outer surface of the water inlet is movably connected to a cover.

[0006] Preferably, a groove is provided on the counterweight platform;

[0007] It is used to facilitate the placement of the counterweight water tank on the counterweight platform.

[0008] Preferably, a placement groove is provided on the counterweight platform, the inner surface of the placement groove is movably connected to the support platform, a handle is fixedly connected to one side of the support platform, and a reinforcing rib is fixedly connected to the bottom surface of the support platform;

[0009] It is used to increase the unfolding area of ​​the counterweight platform, so that more counterweight water tanks can be placed while strengthening the overall strength of the support platform.

[0010] Preferably, a roller is movably connected to the lower end of the leg;

[0011] Used to facilitate the movement of the entire detection device via rollers.

[0012] Preferably, a pressure plate is provided below the top plate;

[0013] It is used to transfer the entire weight of the top plate to the pile foundation through the pressure plate to facilitate testing.

[0014] Preferably, a scale line is provided on one side of the counterweight water tank;

[0015] It is used to help users clearly confirm how much water is in the counterweight water tank.

[0016] Preferably, a thread groove is provided on the outer surface of the water inlet, a thread is provided on the inner surface of the cover, the thread groove corresponds to the thread, and an anti-slip groove is provided on the outer surface of the cover;

[0017] Used to easily twist the cover to remove it from the weighted water tank.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The utility model proposes a pile foundation reaction force detection structure for a deep foundation. By setting a counterweight assembly, removing the cover and injecting liquid into the counterweight water tank, the weight of the counterweight water tank can be accurately obtained by observing the scale line. By stacking the counterweight water tanks, the total weight of the counterweight can be controlled more accurately.

[0020] 2. The utility model proposes a pile foundation reaction force detection structure for a deep foundation. By setting a detection component, after the required counterweight water tank is placed on the counterweight platform, the electric-controlled hydraulic cylinder is retracted through the control assembly, so that the total weight of the counterweight platform is transmitted to the pile foundation through the top plate to complete the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a pile foundation reaction force detection structure for a deep foundation proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of a detection component of a pile foundation reaction force detection structure for a deep foundation proposed by the utility model;

[0023] Figure 3 This is a schematic diagram of the overall structure of a counterweight assembly of a pile foundation reaction force detection structure for a deep foundation proposed by the utility model;

[0024] Figure 4 A cross-sectional schematic diagram of a counterweight assembly of a pile foundation reaction force detection structure for a deep foundation proposed by the utility model;

[0025] Figure 5 This is a schematic diagram of the overall structure of a support platform of a pile foundation reaction force detection structure for a deep foundation proposed by the utility model;

[0026] Figure 6 This is an enlarged schematic diagram of point A of a pile foundation reaction force detection structure for a deep foundation proposed by the utility model;

[0027] Legend:

[0028] 1. Detection component; 11. Counterweight platform; 111. Groove; 112. Placement slot; 12. Control assembly; 13. Electric hydraulic cylinder; 14. Leg; 141. Roller; 15. Hydraulic cylinder; 16. Top plate; 161. Pressure plate; 17. Hydraulic rod; 18. Support platform; 181. Handle; 182. Reinforcement rib; 2. Counterweight assembly; 21. Counterweight water tank; 211. Scale line; 22. Leg; 23. Handle; 24. Mounting hole; 25. Water inlet; 251. Threaded groove; 26. Cover; 261. Thread; 262. Anti-slip groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] Reference Figure 1-6The utility model provides an embodiment: a pile foundation reaction force detection structure for a deep foundation, comprising a detection component 1, and a counterweight component 2 is placed on the top of the detection component 1, the detection component 1 comprises a counterweight platform 11, a control assembly 12 is fixedly connected to one side of the counterweight platform 11, and controls the lifting of an electric-controlled hydraulic cylinder 13, the bottom surface of the counterweight platform 11 is fixedly connected to the electric-controlled hydraulic cylinder 13, the lower end of the electric-controlled hydraulic cylinder 13 is fixedly connected to a leg 14, the middle part of the bottom surface of the counterweight platform 11 is fixedly connected to a hydraulic cylinder 15, the output end of the hydraulic cylinder 15 is fixedly connected to a top plate 16, the whole weight of the counterweight device is transferred to the pile foundation for detection, the top bottom surface of the top plate 16 is fixedly connected to a hydraulic rod 17, the hydraulic rod 1 7 is fixedly connected to the counterweight platform 11 at the upper end, and the supporting platforms 18 are movably connected to the two sides of the counterweight platform 11 to increase the deployment area of ​​the counterweight platform 11, so as to place more counterweight water tanks 21. The counterweight assembly 2 includes a counterweight water tank 21, and the lower bottom surface of the counterweight water tank 21 is fixedly connected to the supporting legs 22, and the lower end of the supporting legs 22 is movably connected to the counterweight platform 11. A handle 23 is arranged on the upper end of the counterweight water tank 21 to facilitate lifting the counterweight water tank 21. A mounting hole 24 is opened on the upper bottom surface of the counterweight water tank 21 to facilitate stacking two sets of counterweight water tanks 21 together. The inner surface of the mounting hole 24 is movably connected to the supporting legs 22. A water inlet 25 is arranged on the upper end of the counterweight water tank 21, and the outer surface of the water inlet 25 is movably connected to the cover 26.

[0032] The counterweight platform 11 is provided with a groove 111 for conveniently placing the counterweight water tank 21 to prevent it from sliding and falling. The counterweight platform 11 is provided with a placement groove 112 for storing the support platform 18 inside the counterweight platform 11. The inner surface of the placement groove 112 is movably connected to the support platform 18. A handle 181 is fixedly connected to one side of the support platform 18 to facilitate pulling out the support platform 18. A reinforcing rib 182 is fixedly connected to the bottom surface of the support platform 18 to increase the overall strength of the support platform 18. The lower end of the leg 14 is movably connected to a roller 141 to facilitate moving the entire The detection device is provided with a pressure plate 161 under the top plate 16 to transfer the weight of the detection device to the pile foundation more evenly. A scale line 211 is provided on one side of the counterweight water tank 21 to facilitate knowing the weight of each counterweight water tank 21. A threaded groove 251 is provided on the outer surface of the water inlet 25, and a thread 261 is provided on the inner surface of the cover 26. The threaded groove 251 corresponds to the thread 261, and an anti-slip groove 262 is provided on the outer surface of the cover 26 to increase the friction between the hand and the cover 26, thereby making it easier to open the cover 26.

[0033] Working principle: First, move the detection device to the top of the pile foundation through the roller 141, and place the pressure plate 161 just below the top plate 16 on the upper surface of the pile foundation, then rotate and remove the cover 26 to fill water into the counterweight water tank 21, and observe the scale line 211 according to the required total weight. After adding appropriate water to the counterweight water tank 21, pull out the support platform 18 as needed to increase the area of ​​the counterweight platform 11. After the counterweight water tank 21 is completely superimposed on the counterweight platform 11, control the electric hydraulic cylinder 13 through the control assembly 12, so that the total weight of the detection device is transferred to the top plate 16 through the hydraulic cylinder 15 for detection.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pile foundation reaction force detection structure for a deep foundation, comprising a detection component (1), and a counterweight component (2) placed on the top of the detection component (1), characterized in that: The detection component (1) comprises a counterweight platform (11), one side of the counterweight platform (11) is fixedly connected to a control assembly (12), the lower bottom surface of the counterweight platform (11) is fixedly connected to an electric-controlled hydraulic cylinder (13), the lower end of the electric-controlled hydraulic cylinder (13) is fixedly connected to a support leg (14), the middle part of the lower bottom surface of the counterweight platform (11) is fixedly connected to a hydraulic cylinder (15), the output end of the hydraulic cylinder (15) is fixedly connected to a top plate (16), the upper bottom surface of the top plate (16) is fixedly connected to a hydraulic rod (17), the upper end of the hydraulic rod (17) is fixedly connected to the counterweight platform (11), and the counterweight platform (11) is fixedly connected to the control assembly (12). 1) A support platform (18) is movably connected on both sides, and a counterweight assembly (2) comprises a counterweight water tank (21), a support foot (22) is fixedly connected to the bottom surface of the counterweight water tank (21), the lower end of the support foot (22) is movably connected to the counterweight platform (11), a handle (23) is arranged at the upper end of the counterweight water tank (21), a mounting hole (24) is opened on the upper bottom surface of the counterweight water tank (21), the inner surface of the mounting hole (24) is movably connected to the support foot (22), a water inlet (25) is arranged at the upper end of the counterweight water tank (21), and the outer surface of the water inlet (25) is movably connected to a cover (26).

2. A deep foundation pile reaction force detection structure according to claim 1, characterized in that: The counterweight platform (11) is provided with a groove (111).

3. The pile foundation reaction force detection structure of a deep foundation according to claim 1, characterized in that: The counterweight platform (11) is provided with a placement groove (112), the inner surface of the placement groove (112) is movably connected to the support platform (18), one side of the support platform (18) is fixedly connected to a handle (181), and the bottom surface of the support platform (18) is fixedly connected to a reinforcing rib (182).

4. The pile foundation reaction force detection structure for a deep foundation according to claim 1, characterized in that: The lower end of the support leg (14) is movably connected to a roller (141).

5. The pile foundation reaction force detection structure of a deep foundation according to claim 1, characterized in that: A pressing plate (161) is arranged below the top plate (16).

6. The pile foundation reaction force detection structure of a deep foundation according to claim 1, characterized in that: A scale line (211) is provided on one side of the counterweight water tank (21).

7. The pile foundation reaction force detection structure of a deep foundation according to claim 1, characterized in that: The outer surface of the water inlet (25) is provided with a thread groove (251), the inner surface of the cover (26) is provided with a thread (261), the thread groove (251) corresponds to the thread (261), and the outer surface of the cover (26) is provided with an anti-slip groove (262).

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