Foundation pit support universal integrated hydraulic axial force regulation device

Abstract

The utility model discloses a kind of integrated integrated hydraulic axial force regulation and control devices of pit support universality, a kind of integrated integrated hydraulic axial force regulation and control devices of pit support universality, including steel sleeve box, power mechanism and hydraulic mechanism;The steel sleeve box is provided with the first support foot that cooperation with outside is fixed, the power mechanism and hydraulic mechanism are arranged in steel sleeve box, the hydraulic mechanism is connected with power mechanism, the output part of power mechanism is provided with movable plate, connecting piece that cooperation with outside support piece is provided on movable plate;Power mechanism and hydraulic mechanism in the scheme are integrated in the inside of steel sleeve box, do not need with line connection and oil circuit connection on steel sleeve box, this regulation and control mechanism can be realized power output by internal self power mechanism and hydraulic mechanism, reduce the use difficulty of scene, scene does not need to excavate and lay line, expand the use range of the scheme.

Description

Technical Field

[0001] This utility model relates to the field of deep foundation pit support in building engineering, and in particular to an integrated hydraulic axial force control device that is universally applicable to foundation pit support. Background Technology

[0002] In the development of urban underground space, the safety and stability of deep foundation pit projects are directly related to the safety of surrounding buildings, roads, subways, and pipelines. Steel bracing, as a common internal support system, plays a crucial role in controlling the deformation of the retaining structure through real-time application and dynamic compensation of axial forces. The traditional loading method using hydraulic jacks combined with high-pressure oil pump stations has the following prominent problems: 1. Complex piping layout: The centralized oil supply system is often used, which requires the laying of a large number of high-pressure oil pipes. The on-site layout is chaotic and can easily cause safety hazards such as oil leaks and pipe bursts. 2. Response lag: mainly manual operation, unable to achieve real-time perception and closed-loop feedback adjustment of axial force changes; 3. Poor adaptability: The equipment installation flexibility is insufficient in different foundation pit support layouts (such as bracing, corner bracing, and diagonal bracing) and types (such as steel support, steel composite support, concrete support, and the application of two or more different types in the same foundation pit), making it difficult to achieve standardized and modular deployment; 4. Difficult to maintain: The oil circuit system is prone to blockage and leakage, resulting in low reliability in long-term operation and high maintenance costs.

[0003] Although some intelligent axial force monitoring and servo compensation systems have been applied in engineering practice in the field of foundation pit support in China, the vast majority still rely on external oil supply and wired transmission, failing to fundamentally solve the integration and automation problem of the "last mile". Therefore, there is an urgent need for a new type of axial force control device that is highly integrated, wirelessly controllable, requires no external oil pipes, and is suitable for various foundation pit support scenarios. Utility Model Content

[0004] The purpose of this utility model is to provide a universally applicable integrated hydraulic axial force control device for foundation pit support, which addresses the above-mentioned shortcomings and solves the problems of cumbersome pipe laying, slow response, and poor versatility in the existing technology.

[0005] This utility model is achieved through the following solution: An integrated hydraulic axial force control device applicable to foundation pit support includes a steel casing, a power mechanism, and a hydraulic mechanism. The steel casing is provided with a first support foot for fixing to the outside. The power mechanism and the hydraulic mechanism are located in the steel casing. The hydraulic mechanism is connected to the power mechanism. The output part of the power mechanism is provided with a movable plate, and a connecting piece for cooperating with the external support component is provided on the movable plate.

[0006] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the power mechanism is located at the center of the steel casing, and the hydraulic mechanism is symmetrically arranged on both sides of the steel casing along the center of the power mechanism. The hydraulic mechanism is connected to the power mechanism; the hydraulic mechanism is within the coverage area of ​​the movable plate.

[0007] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the connecting member includes a second support leg, and the movable plate is provided with a first connecting hole that cooperates with the second support leg. The second support leg has an L-shaped structure and is fixed to the first connecting hole by bolts.

[0008] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the second support foot is independently set as multiple on the connector, and the multiple second support feet are on the same horizontal plane.

[0009] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the connecting component is a steel pipe support conversion plate, and the movable plate is provided with a second connection hole for the steel pipe support conversion plate. The second connection hole is circularly arranged along the center position of the movable plate, and the steel pipe support conversion plate is connected to the second connection hole by bolts.

[0010] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the steel pipe support conversion plate is provided with a third connection hole for connecting with external steel pipes.

[0011] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the hydraulic mechanism specifically includes an oil storage unit and a hydraulic output unit; the oil storage unit and the hydraulic output unit are connected by pipelines, and the hydraulic output unit is connected to a power mechanism through pipelines, wherein the power mechanism is a hydraulic cylinder.

[0012] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the oil storage unit includes an oil storage tank and a first pull ring. The first pull ring is located at the top of the oil storage tank. A sealed oil filling port is also provided at the top of the oil storage tank. An openable cleaning cover is provided on the first side wall of the oil storage tank. A system return oil port and a system outlet oil port are provided on the second side wall of the oil storage tank.

[0013] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, the hydraulic output unit includes a hydraulic tank, a hydraulic valve group, a pressure gauge, a power supply battery, a power converter, and a water level float switch; the water level float switch is located on the side wall of the hydraulic tank near the bottom, the pressure gauge is located at the top of the hydraulic tank, the power supply battery is fixed in the hydraulic tank by a fixing plate, the hydraulic valve group is connected to the power mechanism and the oil supply unit respectively; and the power converter is connected to the power supply.

[0014] Based on the structure of the above-mentioned universal integrated hydraulic axial force control device for foundation pit support, a steel support mounting plate is also provided on the rear side of the steel casing, and a first inspection cover and a second inspection cover are provided on the top of the steel casing. The positions of the first inspection cover and the second inspection cover are respectively adapted to the positions of the oil storage unit and the hydraulic output unit.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: 1. In this solution, both the power mechanism and hydraulic mechanism are integrated inside the steel housing. No wiring or oil circuit connections are required on the steel housing. The control mechanism can achieve power output through its internal power and hydraulic mechanisms, reducing the difficulty of on-site use. No excavation or wiring is required, expanding the application range of this solution. Simultaneously, the steel housing of this adjustment device is equipped with a first support foot, facilitating connection and fixation to the external environment, improving overall safety during use. Furthermore, the movable plate of this solution is equipped with connectors for external connections, allowing the control device to adapt to different support structures, thus enhancing the adaptability of this solution.

[0016] 2. Completely eliminate external oil pipes: The integrated design avoids the laying of traditional high-pressure oil pipes, reduces the risk of leakage, and improves site cleanliness and safety; 3. High versatility: The standardized mechanical interface design allows it to be widely used in various deep foundation pit projects such as subway stations, underground parking garages, and high-rise building foundations. Attached Figure Description

[0017] Figure 1 This is a structural diagram of the present invention when the connecting member is the first support leg; Figure 2 This is a structural diagram of the present invention when the connecting component is a steel pipe supporting the conversion disc; Figure 3 This is a schematic diagram of the overall internal structure of this utility model; Figure 4 This is a schematic diagram of the oil storage unit in this utility model; Figure 5 This is a schematic diagram of the internal structure of the hydraulic output unit in this utility model; Figure 6 This is a schematic diagram of the present invention supporting a Φ609 steel pipe; Figure 7 This is a schematic diagram of the present invention supporting a Φ800 steel pipe; Figure 8 This is a schematic diagram of the present invention when a single second support leg provides external support. Figure 9 This is a schematic diagram of the present invention when multiple second support legs work together to provide external support; Figure Descriptions: 1. Steel housing; 2. Power mechanism; 3. Hydraulic mechanism; 4. First support leg; 5. Movable plate; 6. Second support leg; 7. First connecting hole; 8. Steel pipe support conversion plate; 9. Second connecting hole; 10. Third connecting hole; 11. Steel support mounting plate; 12. First inspection cover; 13. Second inspection cover; 14. Mechanical anti-reverse mechanism; 15. Φ609 steel pipe; 16. Φ800 steel pipe; 17. Pressurizing component; 31. Oil storage unit; 32. Hydraulic output unit; 311. Oil storage tank; 312. First pull ring; 313. Sealed oil filling port; 314. Cleaning cover; 315. System oil return port; 316. System oil outlet; 321. Hydraulic housing; 322. Hydraulic valve group; 323. Pressure gauge; 324. Power supply battery; 325. Power converter; 326. Water level float switch. Detailed Implementation

[0018] All features disclosed in this specification, or steps in all methods or processes disclosed herein, may be combined in any way, except for mutually exclusive features and / or steps.

[0019] Any feature disclosed in this specification (including any appended claims and abstract) may be replaced by other equivalent or similar features, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature.

[0022] Example 1 like Figures 1-9 As shown, this utility model provides a technical solution: An integrated hydraulic axial force control device applicable to foundation pit support includes a steel casing 1, a power mechanism 2, and a hydraulic mechanism 3. The steel casing 1 is provided with a first support foot 4 for fixing to the outside. The power mechanism 2 and the hydraulic mechanism 3 are located in the steel casing 1. The hydraulic mechanism 3 is connected to the power mechanism 2. The output part of the power mechanism 2 is provided with a movable plate 5, and the movable plate 5 is provided with a connecting part for cooperating with the external support component.

[0023] Based on the above structure, the power mechanism 2 and hydraulic mechanism 3 in this solution are both integrated inside the steel housing 1. No wiring or oil circuit connections are required on the steel housing 1. This control mechanism can achieve power output through its own internal power mechanism 2 and hydraulic mechanism 3, reducing the difficulty of on-site use. No excavation or wiring is required on-site, expanding the application range of this solution. Simultaneously, the steel housing 1 of this adjustment device is equipped with a first support foot 4, facilitating connection and fixation between the steel housing 1 and the outside world, improving overall safety during use. Furthermore, the movable plate 5 of this solution is equipped with connecting parts for external connection, enabling this control device to adapt to different support structures, thus enhancing the adaptability of this solution.

[0024] As an example, the power mechanism 2 is located at the center of the steel casing 1, and the hydraulic mechanism 3 is symmetrically arranged on both sides of the steel casing 1 along the center of the power mechanism 2. The hydraulic mechanism 3 is connected to the power mechanism 2. The hydraulic mechanism 3 is within the coverage area of ​​the movable plate 5.

[0025] Based on the above structure, this solution uses the hydraulic mechanism 3 to deliver high-pressure liquid to the power mechanism 2, thereby achieving stable power output. At the same time, the hydraulic mechanism 3 is located within the coverage area of ​​the movable plate 5, which can protect the hydraulic mechanism 3 at its end.

[0026] As an example, the connector may include a second support leg 6, and a first connecting hole 7 that mates with the second support leg 6 is provided on the movable plate 5. The second support leg 6 may be an L-shaped structure, and the second support leg 6 may be fixed to the first connecting hole 7 by bolts. Multiple second support feet 6 are independently configured on the connector, and multiple second support feet 6 are on the same horizontal plane.

[0027] Based on the above structure, this solution can connect the second support foot 6 to the movable plate 5 as needed, so that the movable plate 5 and the pressure member 17 can be supported by contact, which increases the adaptability of this solution. At the same time, by connecting multiple independent second support feet 6 to the movable plate 5, the maintenance cost in the later stage can be reduced, and the damaged areas can be replaced independently.

[0028] As an example, the connector can be a steel pipe support conversion plate 8. A second connection hole 9 is provided on the movable plate 5 for the steel pipe support conversion plate 8. The second connection hole 9 is circularly arranged along the center of the movable plate 5. The steel pipe support conversion plate 8 and the second connection hole 9 are connected by bolts. The steel pipe support conversion plate 8 is provided with a third connection hole 10 for connecting with external steel pipes; Based on the above structure, when supporting the Φ609 steel pipe 15, a steel pipe support conversion plate 8 is loaded on the movable plate 5, and the Φ609 steel pipe 15 is fixed through the third connecting hole 10 on the steel pipe support conversion plate 8; when supporting the Φ800 steel pipe 16 is required, the Φ800 steel pipe 16 is fixed to the movable plate 5 through the second connecting hole 9, so as to adapt to different external support environments.

[0029] As an example, the hydraulic mechanism 3 may specifically include an oil storage unit 31 and a hydraulic output unit 32; the oil storage unit 31 and the hydraulic output unit 32 are connected by a pipeline, and the hydraulic output unit 32 is connected to the power mechanism 2 by a pipeline, and the power mechanism 2 may be a hydraulic cylinder.

[0030] Based on the above structure, by isolating the oil storage unit 31 and the hydraulic output unit 32 from each other, the balance of force on both sides of the entire control device can be ensured, and the efficiency of subsequent maintenance can be improved.

[0031] As an example, the oil storage unit 31 may include an oil storage tank 311 and a first pull ring 312. The first pull ring 312 is located at the top of the oil storage tank 311. A sealed filling port 313 is also provided at the top of the oil storage tank 311. An openable cleaning cover 314 is provided on the first side wall of the oil storage tank 311. A system return port 315 and a system outlet port 316 may be provided on the second side wall of the oil storage tank 311.

[0032] Based on the above structure, the oil storage unit 31 can be easily pulled out of the steel casing 1 for maintenance via the first pull ring 312, the oil storage tank 311 can be refilled via the sealed refill port 313, the inside of the oil storage tank 311 can be cleaned via the cleaning cover 314, and the external oil supply and return can be realized via the system return port 315 and the system outlet port 316.

[0033] As an example, the hydraulic output unit 32 may include a hydraulic tank 321, a hydraulic valve assembly 322, a pressure gauge 323, a power supply battery 324, a power converter 325, and a water level float switch 326; the water level float switch 326 is located on the side wall of the hydraulic tank 321 near the bottom, the pressure gauge 323 is located at the top of the hydraulic tank 321, the power supply battery 324 is fixed in the hydraulic tank 321 by a fixing plate, the hydraulic valve assembly 322 is connected to the power mechanism 2 and the oil supply unit respectively; and the power converter 325 is connected to the power supply.

[0034] Based on the above structure, each component in this solution is equipped with an independent power supply, which can independently power the functions of each component. It also includes a power converter 325, which can reduce the voltage according to the required power demand, specifically a 48~24V step-down module. The safety of the hydraulic tank 321 is ensured by a water level float switch 326, and the pressure in the hydraulic valve group 322 is observed by a pressure gauge 323.

[0035] As an example, a steel support mounting plate 11 is also provided on the rear side of the steel casing 1, and a first inspection cover 12 and a second inspection cover 13 are also provided on the top of the steel casing 1. The positions of the first inspection cover 12 and the second inspection cover 13 are respectively adapted to the positions of the oil storage unit 31 and the hydraulic output unit 32.

[0036] As an example, mechanical anti-reverse mechanisms 14 can also be provided on both sides of the power mechanism 2 for emergency protection. In case of power failure or leakage in the hydraulic cylinder causing a sudden drop in axial force, the supported object will not retract. The mechanical anti-reverse mechanism 14 is existing technology and will not be described in detail here.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A universally applicable integrated hydraulic axial force control device for foundation pit support, characterized in that: It includes a steel casing (1), a power mechanism (2) and a hydraulic mechanism (3); the steel casing (1) is provided with a first support foot (4) for fixing to the outside; the power mechanism (2) and the hydraulic mechanism (3) are located in the steel casing (1); the hydraulic mechanism (3) is connected to the power mechanism (2); the output part of the power mechanism (2) is provided with a movable plate (5); and a connecting piece for cooperating with the external support component is provided on the movable plate (5).

2. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 1, characterized in that: The power mechanism (2) is located at the center of the steel casing (1), and the hydraulic mechanism (3) is symmetrically arranged on both sides of the steel casing (1) along the center of the power mechanism (2). The hydraulic mechanism (3) is connected to the power mechanism (2). The hydraulic mechanism (3) is within the coverage area of ​​the movable plate (5).

3. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 1 or 2, characterized in that: The connector includes a second support leg (6), and the movable plate (5) is provided with a first connection hole (7) that mates with the second support leg (6). The second support leg (6) has an L-shaped structure and is fixed to the first connection hole (7) by bolts.

4. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 3, characterized in that: The second support foot (6) is independently set as multiple on the connector, and the multiple second support feet (6) are on the same horizontal plane.

5. A universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 1 or 2, characterized in that: The connector is a steel pipe support conversion plate (8). The movable plate (5) is provided with a second connection hole (9) for the steel pipe support conversion plate (8). The second connection hole (9) is circular along the center position of the movable plate (5). The steel pipe support conversion plate (8) and the second connection hole (9) are connected by bolts.

6. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 5, characterized in that: The steel pipe support conversion plate (8) is provided with a third connection hole (10) for connecting with the external steel pipe.

7. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 1, characterized in that: The hydraulic mechanism (3) specifically includes an oil storage unit (31) and a hydraulic output unit (32); the oil storage unit (31) and the hydraulic output unit (32) are connected by pipelines, and the hydraulic output unit (32) is connected to the power mechanism (2) by pipelines, and the power mechanism (2) is an oil cylinder.

8. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 7, characterized in that: The oil storage unit (31) includes an oil tank (311) and a first pull ring (312). The first pull ring (312) is located at the top of the oil tank (311). A sealed filling port (313) is also provided at the top of the oil tank (311). An openable cleaning cover (314) is provided on the first side wall of the oil tank (311). A system return port (315) and a system outlet port (316) are provided on the second side wall of the oil tank (311).

9. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 8, characterized in that: The hydraulic output unit (32) includes a hydraulic tank (321), a hydraulic valve group (322), a pressure gauge (323), a power supply battery (324), a power converter (325), and a water level float switch (326). The water level float switch (326) is located on the side wall of the hydraulic tank (321) near the bottom. The pressure gauge (323) is located on the top of the hydraulic tank (321). The power supply battery (324) is fixed in the hydraulic tank (321) by a fixing plate. The hydraulic valve group (322) is connected to the power mechanism (2) and the oil supply unit respectively. The power converter (325) is connected to the power supply.

10. The universally applicable integrated hydraulic axial force control device for foundation pit support as described in claim 9, characterized in that: The steel housing (1) is further supported by a steel support mounting plate (11) on the rear side, and the top of the steel housing (1) is also provided with a first inspection cover (12) and a second inspection cover (13). The positions of the first inspection cover (12) and the second inspection cover (13) are respectively adapted to the positions of the oil storage unit (31) and the hydraulic output unit (32).

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