A temporary drainage system for use in a damaged retaining wall of a foundation pit and a method of using the same

Abstract

The application discloses a temporary water-stopping system for a foundation pit supporting wall body damage and a use method thereof, relates to the technical field of foundation pit water-stopping, and comprises a movable frame, a movable frame is arranged on the movable frame, an extension assembly is arranged on the movable frame and matched with the movable frame, movable positioning assemblies are arranged on the two sides of the movable frame, a tail end support frame is arranged on the movable frame, a temporary water-stopping mechanism is arranged on the movable frame and matched with the tail end support frame, a first hinge rope assembly is arranged on the movable frame and matched with the temporary water-stopping mechanism, a second hinge rope assembly is arranged on the movable frame and matched with the tail end support frame, and a positioning support assembly is arranged on the movable frame and matched with the tail end support frame. The application discloses a temporary water-stopping system, which can effectively solve the water leakage problem caused by the foundation pit supporting wall body damage, ensure the smooth construction of the foundation pit, and improve the safety and quality of the project.

Description

Technical Field

[0001] This invention relates to the field of foundation pit drainage technology, and in particular to a temporary drainage system for foundation pit support wall damage and its application method. Background Technology

[0002] With rapid urban development, subways and other large-scale underground space projects are constantly increasing, and deep foundation pit projects are springing up everywhere. This places higher demands on leakage prevention during the foundation pit excavation process. Especially in areas with high groundwater levels, effective hydraulic engineering measures must be taken to control the water level within the foundation pit and ensure the safe removal of surrounding groundwater.

[0003] However, deep foundation pit support structures are complex and prone to unforeseen events such as wall cracking and joint leakage. Especially during periods of high water volume, such as the rainy season, this can threaten the safety of the foundation pit and its surrounding environment, severely impacting the smooth progress of major projects like subway construction. Existing curtain wall interception and drainage systems are insufficient to quickly and effectively respond to sudden leakage incidents. Even more serious is the fact that foundation pit leakage can threaten the safety of surrounding buildings and potentially cause road collapses and ground subsidence, with a vast impact. This increases the urgency and difficulty of preventing foundation pit leakage incidents.

[0004] How to solve the above-mentioned technical problems is the challenge facing this invention. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a rationally designed, safe, and reliable temporary drainage system for damaged foundation pit support walls, along with its application method. This system effectively solves the leakage problem caused by damaged foundation pit support walls, ensuring the smooth progress of foundation pit construction and improving the safety and quality of the project. Furthermore, the system's simplicity and reliability will reduce project costs and construction difficulty, thereby increasing project efficiency.

[0006] The technical solution adopted by the present invention to solve its technical problem is: a temporary drainage system for the damage of the foundation pit support wall, including a mobile frame, a movable frame that slides and cooperates with the mobile frame, and a telescopic component that cooperates with the movable frame on the mobile frame. Movable positioning components that cooperate with the foundation pit truss are provided on both sides of the movable frame.

[0007] The movable frame is provided with a tail end support frame, and the movable frame is provided with a temporary drainage stop mechanism that cooperates with the tail end support frame. The movable frame is provided with a first hinged rope assembly that cooperates with the temporary drainage stop mechanism, and the movable frame is provided with a second hinged rope assembly that cooperates with the tail end support frame.

[0008] The movable frame is provided with a positioning support component that cooperates with the rear support frame. In use, the top of the rear support frame is provided with a stable support frame that cooperates with the temporary drainage mechanism. A connecting component is provided between the stable support frame and the rear support frame, and the stable support frame passes through the movable frame. The rear support frame is located at the bottom of the pit.

[0009] The front end of the mobile frame is provided with an opening that mates with the mobile frame, and both sides of the mobile frame are provided with storage slots that mate with the movable positioning component; the telescopic component includes a moving slot formed on the mobile frame, and a linear drive component is provided in the moving slot, and a sliding frame is provided in the mobile frame that slidably mates with the moving slot, and a telescopic hydraulic cylinder is provided on the sliding frame, and the moving end of the telescopic hydraulic cylinder is fixedly connected to the mobile frame.

[0010] The movable frame includes a movable base that cooperates with the positioning support assembly, and a rectangular frame is provided on the movable base. A first fixed frame that cooperates with the positioning support assembly is provided on the rectangular frame. The rectangular frame has a receiving groove that cooperates with the temporary drainage mechanism, and the receiving groove passes through the movable base. A connecting bracket that cooperates with the telescopic assembly is provided at one end of the rectangular frame near the movable frame. Steering pulleys that cooperate with the first hinge rope assembly and the second hinge rope assembly are respectively provided on the rectangular frame.

[0011] The movable positioning component includes a positioning base located on one side of the movable base, a lifting and rolling unit that cooperates with the foundation pit truss on the positioning base, a plurality of pull rods evenly arranged along the length of the positioning base, a positioning seat that cooperates with the pull rods on the movable base, a positioning screw that cooperates with the pull rods on the positioning seat, and a stabilizing positioning unit that cooperates with the foundation pit truss on the positioning base.

[0012] The tail support frame includes a rectangular frame, and a C-shaped frame that slides with the temporary drainage stop mechanism is provided on one end face of the rectangular frame near the temporary drainage stop mechanism. Limiting plates that cooperate with the temporary drainage stop mechanism are provided on both ends face of the opening of the C-shaped frame.

[0013] The stabilizing support frame includes several stabilizing frames, and the top and bottom of the several stabilizing frames are connected in sequence by stabilizing screws, and the structure of the stabilizing frame is the same as the structure of the tail end support frame;

[0014] The connecting assembly includes a first connecting base disposed on the top surface of the rectangular frame, and a second connecting base disposed on the bottom surface of the stabilizing frame located at the bottom of the stabilizing support frame. The first connecting base is provided with a plurality of connecting rods, and the second connecting base is provided with a plurality of connecting grooves for connecting rods, wherein the connecting rods pass through the connecting grooves, and the second connecting base is provided with a screw that cooperates with the connecting rods.

[0015] Furthermore, the temporary drainage mechanism includes a water-stop frame that is slidably engaged with both the tail end support frame and the stable support frame, and the water-stop frame is provided with a sliding component that is slidably engaged with the tail end support frame or the stable support frame, the water-stop frame is provided with a drainage seat that is slidably engaged with the water-stop frame, and the water-stop frame is provided with a linear drive component that engages with the drainage seat.

[0016] The drain seat is provided with a fixed cylinder, and a movable cylinder is coaxially provided with the fixed cylinder and slides with the fixed cylinder. A water collection cover is installed at the end of the movable cylinder. A spacing control component that cooperates with the movable cylinder is provided on the movable cylinder. The fixed cylinder is provided with a connecting hose, and the connecting hose is connected to the drain assembly.

[0017] The sliding assembly includes a sliding support arm disposed on the waterstop frame, and the sliding support arm is provided with a pulley that slides and engages with the tail end support frame or the stabilizing support frame. The waterstop frame is symmetrically provided with two sets of L-shaped support arms for deviation, and the L-shaped support arms are provided with pulleys that slide and engage with the tail end support frame or the stabilizing support frame.

[0018] The spacing control component includes a movable ring plate sleeved on the fixed cylinder, a fixed ring plate on the movable cylinder, and a plurality of support rods between the movable ring plate and the fixed ring plate. The drainage seat is provided with a linear drive component that cooperates with the movable ring plate, and the direction of the linear drive component is consistent with the axial direction of the fixed cylinder.

[0019] The drainage assembly includes an intermediate box that cooperates with the tail end support frame, and the intermediate box is connected to the connecting hose. The upper end of the intermediate box is provided with a water pumping hose, and the movable frame is provided with a water pump that cooperates with the water pumping hose. The tail end support frame is provided with a pump that cooperates with the water accumulation in the foundation pit, and the output end of the pumping pump is connected to the intermediate box through a hose.

[0020] The positioning support assembly includes a positioning rod disposed on the movable frame, a positioning plate disposed on the rear support frame that cooperates with the positioning rod, and a slot for cooperating with the positioning rod on the positioning plate, and a linear drive component disposed on the movable frame that cooperates with the positioning rod.

[0021] A method for using a temporary drainage system for damaged foundation pit support walls includes the following steps:

[0022] A: Preparations

[0023] Before using the temporary drainage system, the location of the damaged support wall is initially determined using equipment such as drones; then, the edge of the pit needs to be cleaned and prepared to ensure that there are no obstacles on the edge of the pit, so as to reserve space for the subsequent placement of the vehicle frame and other equipment.

[0024] B: Placement of structures such as mobile frames and movable frames;

[0025] B1: Place the mobile chassis at the edge of the pit and ensure its stability;

[0026] B2: Install the temporary drainage stop mechanism on the mobile frame and debug the temporary drainage stop mechanism;

[0027] B3: Adjust the distance between the positioning base and the movable frame of the movable positioning component so that the positioning base is located directly above the pit truss, and use the positioning screw to determine the distance;

[0028] B4: Using equipment such as cranes, the stable support frame is hoisted directly above the tail support frame, and the stable support frame and the tail support frame are connected using connecting components;

[0029] B5: Use the telescopic component to slide the movable frame out of the mobile frame, use the lifting and rolling unit to travel on the pit truss, travel a distance, and when it reaches the expected position, use the stabilizing positioning unit to fix the movable frame on the pit truss.

[0030] C: Use of temporary drainage mechanisms;

[0031] C1: Using the positioning support component, the rear support frame is separated from the movable frame, and the rear support frame is hoisted to the bottom of the stable support frame by the connecting component;

[0032] C2: Using equipment such as cranes, in conjunction with the second hinged rope assembly, the tail support frame is slowly lowered to the bottom of the pit;

[0033] C3: While performing step C2, using the first hinged rope assembly and the guide of the stable support frame, the waterstop frame is lowered to the expected height based on the pre-observed height of the damaged support wall using the sliding assembly set on the waterstop frame.

[0034] C4: Using the linear drive components installed on the waterstop frame and the linear drive components on the spacing control assembly, the water collection cover comes into contact with the support box.

[0035] C5: Based on the water accumulation requirements in the foundation pit, in step B2 above, selectively install the pump on the tail end support frame.

[0036] D: Demolition

[0037] D1: Manually lower the box into the pit to dismantle the intermediate box and the tail end fixing bracket;

[0038] D2: Use the first hinged rope assembly to lift the waterstop frame into the receiving slot, and at the same time use the second hinged rope assembly, crane and other equipment to lift the tail support frame and the stable support frame, so that the tail support frame is lifted onto the mobile frame, and the positioning support assembly is activated to fix the tail support frame onto the mobile frame.

[0039] D3: Activate the stabilizing positioning unit to detach the live frame from the pit truss, and then, with the movement of the telescopic components, use the lifting and rolling unit to retract the live frame into the storage slot;

[0040] D4: Remove the connecting components to separate the tail support frame from the stable support frame;

[0041] D5: As required by the structure, remove the temporary drainage mechanism from the movable base frame and fold the movable positioning component.

[0042] This invention proposes a temporary drainage system that combines multiple components such as a mobile frame, a movable frame, and telescopic components. It can flexibly adapt to different damage conditions of the foundation pit support wall and provide an effective temporary drainage solution. At the same time, through the setting of temporary drainage mechanism, drainage seat and drainage components, the accumulated water in the foundation pit can be effectively drained and the foundation pit can be kept dry.

[0043] Many components of this invention are movable and can be adjusted and operated according to actual needs. For example, the movable frame and telescopic assembly on the mobile chassis can be freely adjusted in length to adapt to different pit sizes. Simultaneously, the movable frame and movable positioning assembly also facilitate the installation and adjustment of the entire system. The mobile chassis is equipped with a telescopic assembly that cooperates with the movable frame; through the action of a linear drive component, the length and height of the system can be easily adjusted to adapt to pit support walls of different sizes.

[0044] The present invention provides movable positioning components and positioning support components on both sides of the movable frame. Through the cooperation of these support and positioning components, stable support and positioning functions can be provided to ensure that the temporary drainage system is accurately and firmly positioned in the pit, thereby effectively preventing the system from moving or tilting.

[0045] This invention provides two structural design options for lifting and rolling units and two structural design options for stable positioning units. These options can be selected based on actual needs and site conditions to flexibly choose the structural design of the stable positioning unit and the lifting and rolling unit, thereby achieving the best technical performance and usage effect and meeting the requirements of different engineering environments.

[0046] The temporary drainage mechanism of this invention employs a combination of components such as a water-stop frame, a sliding assembly, and a drainage seat. Through sliding engagement and linear drive, the drainage seat achieves both sliding and drainage functions. This design effectively controls the water level inside the foundation pit and discharges water, ensuring both water-stopping effect and drainage efficiency. Simultaneously, it integrates a water pump and other components, enabling rapid and effective removal of accumulated water from the foundation pit, maintaining its dryness. This integrated pumping system simplifies the operation process and improves drainage efficiency.

[0047] The temporary drainage mechanism of this invention employs a design that slides into the tail support frame or a stable support frame, ensuring the stability of the water stop frame during movement. This effectively supports and secures the temporary drainage mechanism, ensuring the stability and safety of the system. The sliding assembly includes a sliding support arm and an L-shaped support arm, ensuring the stability and balance of the water stop frame during sliding. Attached Figure Description

[0048] Figure 1 This is a three-dimensional structural schematic diagram of the present invention from a first perspective in its contracted state;

[0049] Figure 2 This is a three-dimensional structural diagram of the present invention from a second perspective under contracted conditions;

[0050] Figure 3 This is a schematic diagram of the structure of the present invention in its unfolded state;

[0051] Figure 4 This is a structural schematic diagram of the temporary drainage stop mechanism of the present invention from a first-view perspective.

[0052] Figure 5 This is a schematic diagram of the temporary drainage stop mechanism of the present invention from a second perspective.

[0053] Figure 6 This is a schematic diagram of the structure of the tail end support frame, the stabilizing support frame and the intermediate box of the present invention;

[0054] Figure 7 This is a schematic diagram of the structure of the movable frame of the present invention;

[0055] The attached diagram is labeled as follows: 100, mobile frame; 110, telescopic assembly; 111, moving slot; 112, sliding frame; 113, telescopic hydraulic cylinder; 200, movable frame; 201, movable base; 202, rectangular frame; 203, first fixed frame; 204, receiving slot; 205, connecting bracket; 210, movable positioning assembly; 211, positioning base; 212, lifting and rolling unit; 212-1, lifting outrigger; 212-2, lifting plate; 212-3, lifting rod; 212-4, lifting hydraulic cylinder; 213, pull rod; 214, positioning seat; 215, positioning screw; 216, stabilizing positioning unit; 216-1, positioning hydraulic rod; 216-2, clamping lifting rod; 216-3, L-shaped clamping plate; 216-3, positioning hydraulic cylinder; 216-4 1. U-shaped frame; 216-5. Extrusion hydraulic rod; 220. Positioning support assembly; 221. Positioning insert rod; 222. Positioning plate; 223. Slot; 300. Tail end support frame; 310. Rectangular frame; 320. C-shaped frame; 330. Limiting plate; 400. Temporary drainage mechanism; 410. Water stop frame; 420. Sliding assembly; 421. Sliding support arm; 422. L-shaped support arm; 430. Drainage seat; 440. Fixed cylinder; 450. Movable cylinder; 460. Spacing control assembly; 461. Moving ring plate; 462. Fixed ring plate; 463. Support rod; 470. Drainage assembly; 471. Intermediate box; 500. Stable support frame; 510. Stable frame; 600. Connecting assembly; 610. First connecting base; 620. Second connecting base; 630. Connecting rod. Detailed Implementation

[0056] See Figures 1 to 4 As shown, a temporary drainage system for damaged foundation pit support walls includes a mobile frame 100, a movable frame 200 that slides on the mobile frame 100, a telescopic component 110 that cooperates with the movable frame 200, and movable positioning components 210 that cooperate with the foundation pit truss on both sides of the movable frame 200.

[0057] The movable frame 200 is provided with a tail end support frame 300, and the movable frame 200 is provided with a temporary drainage stop mechanism 400 that cooperates with the tail end support frame 300. The mobile frame 100 is provided with a first hinged rope assembly that cooperates with the temporary drainage stop mechanism 400, and the mobile frame 100 is provided with a second hinged rope assembly that cooperates with the tail end support frame 300.

[0058] The mobile frame 200 is equipped with a positioning support component 220 that cooperates with the rear support frame 300. In use, the top of the rear support frame 300 is equipped with a stable support frame 500 that cooperates with the temporary drainage mechanism 400. A connecting component 600 is provided between the stable support frame 500 and the rear support frame 300, and the stable support frame 500 passes through the mobile frame 200. The rear support frame 300 is located at the bottom of the pit.

[0059] Both the first and second hinge rope assemblies are common winch hinge rope structures on the market and belong to existing technology, so they will not be elaborated further.

[0060] Furthermore, the front end of the mobile frame 100 is provided with an opening that mates with the mobile frame 100, and both sides of the mobile frame 100 are provided with storage slots that mate with the movable positioning component 210; the telescopic component 110 includes a moving slot 111 opened on the mobile frame 100, and a linear drive component is provided in the moving slot 111, and a sliding frame 112 is provided in the mobile frame 100 that slidably mates with the moving slot 111, and a telescopic hydraulic cylinder 113 is provided on the sliding frame 112, and the moving end of the telescopic hydraulic cylinder 113 is fixedly connected to the mobile frame 200.

[0061] Furthermore, the movable frame 200 includes a movable base 201 that cooperates with the positioning support assembly 220, and a rectangular frame 202 is provided on the movable base 201. A first fixed frame 203 that cooperates with the positioning support assembly 220 is provided on the rectangular frame 202. The rectangular frame 202 has a receiving groove 204 that cooperates with the temporary drainage mechanism 400, and the receiving groove 204 passes through the movable base 201. A connecting bracket 205 that cooperates with the telescopic assembly 110 is provided at one end of the rectangular frame 202 near the movable frame 100. Steering pulleys that cooperate with the first hinged rope assembly and the second hinged rope assembly are respectively provided on the rectangular frame 202.

[0062] The movable positioning component 210 includes a positioning base 211 located on one side of the movable base 201. The positioning base 211 is provided with a lifting and rolling unit 212 that cooperates with the foundation pit frame. The positioning base 211 is provided with a plurality of pull rods 213 evenly arranged along the length of the positioning base 211. The movable base 201 is provided with a positioning seat 214 that cooperates with the pull rods 213. The positioning seat 214 is provided with a positioning screw 215 that cooperates with the pull rods 213. The positioning base 211 is provided with a stable positioning unit 216 that cooperates with the foundation pit frame.

[0063] Preferably, two structural designs for the lifting and rolling unit 212 are provided.

[0064] Firstly, the lifting and rolling unit 212 includes a plurality of lifting legs 212-1 evenly arranged on the positioning base 211 along the length direction of the positioning base 211, and the lifting legs 212-1 are provided with movable wheels.

[0065] Secondly, the lifting and rolling unit 212 includes a lifting groove opened on the positioning base 211. A lifting plate 212-2 is provided directly above the lifting base, and a lifting rod 212-3 is provided on the lifting plate 212-2. A moving wheel is provided on the lifting rod 212-3. Two sets of lifting hydraulic cylinders 212-4 are symmetrically arranged on the positioning base 211. The moving end of the lifting hydraulic cylinder 212-4 is fixedly connected to the lifting plate 212-2. A guide frame that cooperates with the lifting groove is provided on the lifting plate 212-2.

[0066] Preferably, two structural designs for the stable positioning unit 216 are provided.

[0067] Firstly, the stable positioning unit 216 includes positioning hydraulic rods 216-1 evenly arranged along the length direction of the lifting base plate, and the moving end of the positioning hydraulic rods 216-1 is provided with clamping lifting rods 212-3 and 216-2, and the moving end of the clamping lifting rods 212-3 and 216-2 is provided with an L-shaped clamping plate 216-3 that cooperates with the positioning base 211. The L-shaped clamping plate 216-3 and the positioning base 211 form a clamping space, and the foundation pit frame is located in the space.

[0068] Secondly, the stable positioning unit 216 includes positioning hydraulic cylinders 216-3 disposed at both ends of the lifting base plate, and a U-shaped frame 216-4 is disposed at the moving end of the positioning hydraulic cylinder 216-3, and a compression hydraulic rod 216-5 cooperating with the foundation pit frame is disposed on the U-shaped frame 216-4.

[0069] The mobile frame 100 is the foundation of the entire system, on which the movable frame 200 and the telescopic assembly 110 are mounted. The movable frame 200 cooperates with the pit truss and can slide on the mobile frame 100. The telescopic assembly 110 includes a moving groove 111, a linear drive component, and a sliding frame 112, which enable the movable frame 200 to extend and retract. A telescopic hydraulic cylinder 113 is connected to the sliding frame 112, and the length of the movable frame 200 is adjusted by controlling the extension and retraction of the hydraulic cylinder. Movable positioning assemblies 210 are provided on both sides of the movable frame 200 for cooperation with the pit truss. The movable positioning assembly 210 includes a positioning base 211, a lifting and rolling unit 212, and a stabilizing positioning unit 216. The lifting and rolling unit 212 is provided on the positioning base 211, and its height can be adjusted by raising and lowering the pull rod 213. The stabilizing positioning unit 216 is used to fix the position of the movable frame 200, which can be achieved by positioning hydraulic rod 216-1 or pressing hydraulic rod 216-5. The tail support frame 300 is located in the movable frame 200, and it includes a rectangular frame 202 and a U-shaped frame 216-4. The U-shaped frame 216-4 on the rectangular frame 202 slides with the temporary drainage mechanism 400, and its range of movement is limited by the limiting plate 330. The stabilizing support frame 500 is composed of several stabilizing frames 510 connected together by stabilizing screws, and has a similar structure to the tail support frame 300.

[0070] The tail support frame 300 includes a rectangular frame 310, and a U-shaped frame 320 that slides with the temporary drainage stop mechanism 400 is provided on one end face of the rectangular frame 310 near the temporary drainage stop mechanism 400. Limiting plates 330 that cooperate with the temporary drainage stop mechanism 400 are provided on both ends of the opening of the U-shaped frame 320.

[0071] The stabilizing support frame 500 includes a plurality of stabilizing frames 510, and the top and bottom of the plurality of stabilizing frames 510 are connected in sequence by stabilizing screws, and the structure of the stabilizing frame 510 is the same as the structure of the tail end support frame 300.

[0072] Furthermore, the connecting assembly 600 includes a first connecting base 610 disposed on the top surface of the rectangular frame 202, and a second connecting base 620 disposed on the bottom surface of the stabilizing frame 510 located at the bottom end of the stabilizing support frame 500. The first connecting base is provided with a plurality of connecting rods 630, and the second connecting base 620 is provided with a plurality of connecting grooves for connecting rods 630, wherein the connecting rods 630 pass through the connecting grooves, and the second connecting base 620 is provided with a screw that cooperates with the connecting rods 630.

[0073] Furthermore, the temporary drainage mechanism 400 includes a water-stopping frame 410 that is slidably engaged with the tail end support frame 300 or the stable support frame 500, and the water-stopping frame 410 is provided with a sliding component 420 that is slidably engaged with the tail end support frame 300 or the stable support frame 500. The water-stopping frame 410 is provided with a drainage seat 430 that is slidably engaged with the water-stopping frame 410, and the water-stopping frame 410 is provided with a linear drive component that engages with the drainage seat 430.

[0074] A fixed cylinder 440 is provided on the drain seat 430, and a movable cylinder 450 that slides with the fixed cylinder 440 is coaxially provided on the fixed cylinder 440. A water collection cover is installed at the end of the movable cylinder 450. A spacing control component 460 that cooperates with the movable cylinder 450 is provided on the movable cylinder 450, and a connecting hose is provided on the fixed cylinder 440. The connecting hose is connected to the drain component 470.

[0075] Furthermore, the sliding assembly 420 includes a sliding support arm 421 disposed on the waterstop frame 410, and the sliding support arm 421 is provided with a pulley that slides in cooperation with the tail end support frame 300 or the stable support frame 500. The waterstop frame 410 is symmetrically provided with two sets of L-shaped support arms for deviation, and the L-shaped support arms are provided with pulleys that slide in cooperation with the tail end support frame 300 or the stable support frame 500.

[0076] The spacing control assembly 460 includes a movable ring plate 461 sleeved on the fixed cylinder 440, a fixed ring plate 462 provided on the movable cylinder 450, and a plurality of support rods 463 provided between the movable ring plate 461 and the fixed ring plate 462. A linear drive member cooperating with the movable ring plate 461 is provided on the drainage seat 430, and the direction of the linear drive member is consistent with the axial direction of the fixed cylinder 440.

[0077] The drainage assembly 470 includes an intermediate box 471 that cooperates with the rear support frame 300 and is connected to a connecting hose in the middle. The upper end of the intermediate box 471 is provided with a water pumping hose. The movable frame 200 is provided with a water pump that cooperates with the water pumping hose. The rear support frame 300 is provided with a pump that cooperates with the water accumulation in the pit. The output end of the pump is connected to the intermediate box 471 through a hose.

[0078] The temporary drainage mechanism 400 includes a water-stop frame 410, a sliding assembly 420, a drainage seat 430, and a linear drive component. The water-stop frame 410 slides in conjunction with the tail end support frame 300 or the stable support frame 500 to prevent water from entering the foundation pit. The sliding assembly 420 includes a sliding support arm 421 and an L-shaped support arm for supporting the water-stop frame 410 and the tail end support frame 300. The drainage seat 430 is mounted on the water-stop frame 410 and cooperates with the linear drive component for drainage. The linear drive component pushes the drainage seat 430 to move linearly, thereby achieving the drainage function.

[0079] The spacing control assembly 460 includes a movable ring plate 461, a fixed ring plate 462, and a support rod 463, used to control the spacing between the drain seat 430 and the movable cylinder 450. The movable ring plate 461 and the fixed ring plate 462 are respectively mounted on the movable cylinder 450 and the fixed cylinder 440, and connected by the support rod 463. The spacing between the movable ring plate 461 and the fixed ring plate 462 can be adjusted as needed. A linear drive component is also provided on the drain seat 430 to push the movable ring plate 461 to move linearly, thereby controlling the position of the drain seat 430.

[0080] The drainage assembly 470 is used for drainage. The intermediate tank 471 mates with the tail support frame 300 and is connected to a connecting hose for collecting and draining water, and filtering silt. A water pump and a suction hose are mounted on the movable frame 200 for pumping water from the intermediate tank 471. A suction pump is mounted on the tail support frame 300 for pumping water from the pit.

[0081] The positioning support assembly 220 includes a positioning rod 221 disposed on the movable frame 200, a positioning plate 222 disposed on the rear support frame 300 that cooperates with the positioning rod 221, and a slot 223 disposed on the positioning plate 222 that cooperates with the positioning rod 221. A linear drive component that cooperates with the positioning rod 221 is disposed on the movable frame 200.

[0082] Preferably, a plurality of positioning support components 220 are provided, and the plurality of positioning support components 220 are evenly arranged along the vertical direction of the tail end support frame 300.

[0083] Preferably, there are two sets of positioning support components 220, and the two sets of positioning support components 220 are arranged opposite to each other. Each set of positioning support components 220 includes a plurality of positioning support components 220 evenly arranged along the vertical direction of the tail support frame 300.

[0084] The positioning support assembly 220 is used for positioning and supporting the system. Positioning rod 221 and positioning plate 222 are respectively mounted on the movable frame 200 and the rear support frame 300 for positioning and supporting the movable frame 200 and the rear support frame 300. Slot 223 is mounted on the positioning plate 222 for positioning in conjunction with the positioning rod 221.

[0085] A method for using a temporary drainage system for damaged foundation pit support walls, characterized by the following steps:

[0086] A: Preparations

[0087] Before using the temporary drainage system, the location of the damaged support wall is initially determined using equipment such as drones; then, the edge of the pit needs to be cleaned and prepared to ensure that there are no obstacles on the edge of the pit, so as to reserve space for the subsequent placement of the vehicle frame and other equipment.

[0088] B: Placement of structures such as the mobile frame 100 and the movable frame 200;

[0089] B1: Place the mobile frame 100 at the edge of the pit and ensure its stability;

[0090] B2: Install the temporary drainage stop mechanism 400 on the movable frame 200 and debug the temporary drainage stop mechanism 400;

[0091] B3: Adjust the distance between the positioning base 211 and the movable frame 200 of the movable positioning component 210 so that the positioning base 211 is located directly above the foundation pit frame, and use the positioning screw 215 to determine the distance;

[0092] B4: Using equipment such as a crane, the stable support frame 500 is hoisted directly above the tail support frame 300, and the stable support frame 500 and the tail support frame 300 are connected using the connecting component 600.

[0093] B5: The movable frame 200 is slid out of the mobile frame 100 using the telescopic component 110, and travels on the pit truss using the lifting and rolling unit 212. After traveling a certain distance, the movable frame 200 is fixed on the pit truss using the stabilizing positioning unit 216 at the expected position.

[0094] C: Use of temporary drainage mechanism 400;

[0095] C1: Using the positioning support component 220, the tail support frame 300 is separated from the movable frame 200, so that the tail support frame 300 is hoisted to the bottom of the stable support frame 500 by the connecting component 600.

[0096] C2: Using equipment such as cranes, in conjunction with the second hinged rope assembly, the tail support frame 300 is slowly lowered to the bottom of the pit;

[0097] C3: While performing step C2, using the first hinge rope assembly and the guide of the stable support frame 500, the sliding assembly 420 set on the waterstop frame 410 is used to lower the waterstop frame 410 to the expected height based on the pre-observed height of the support wall damage.

[0098] C4: Using the linear drive unit set on the water stop frame 410 and the linear drive unit on the spacing control assembly 460, the water collection cover comes into contact with the support box.

[0099] C5: Based on the water accumulation requirements in the foundation pit, in step B2 above, the pump is selectively installed on the tail end support frame 300.

[0100] D: Demolition

[0101] D1: Manually lower the box into the pit to remove the intermediate box 471 and the tail end fixed bracket;

[0102] D2: The waterstop frame 410 is hoisted into the receiving slot using the first hinged rope assembly, and the tail support frame 300 and the stable support frame 500 are hoisted using the second hinged rope assembly, crane and other equipment, so that the tail support frame 300 is hoisted onto the movable frame 200, and the positioning support assembly 220 is activated to fix the tail support frame 300 onto the movable frame 200.

[0103] D3: Activate the stabilizing positioning unit 216 to detach the live frame from the pit frame, and then, with the movement of the telescopic component 110, use the lifting and rolling unit 212 to retract the live frame into the storage slot.

[0104] D4: Remove the connecting component 600 to separate the tail support frame 300 from the stable support frame 500;

[0105] D5: As required by the structure, the temporary drainage mechanism 400 is removed from the movable base frame, and the movable positioning component 210 is folded.

[0106] The technical features of this invention not described can be implemented by or using existing technology, and will not be repeated here. Of course, the above description is not a limitation of this invention, and this invention is not limited to the examples above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this invention should also be within the protection scope of this invention.

Claims

1. A temporary drainage system for damaged foundation pit support walls, characterized in that: The system includes a mobile frame (100), on which a movable frame (200) is provided that slides and engages with the mobile frame (100), and on which a telescopic component (110) engages with the movable frame (200) is provided. On both sides of the movable frame (200) are movable positioning components (210) that engage with the foundation pit truss. The movable frame (200) is provided with a tail end support frame (300), and the movable frame (200) is provided with a temporary drainage stop mechanism (400) that cooperates with the tail end support frame (300). The mobile frame (100) is provided with a first hinged rope assembly that cooperates with the temporary drainage stop mechanism (400), and the mobile frame (100) is provided with a second hinged rope assembly that cooperates with the tail end support frame (300). The movable frame (200) is provided with a positioning support assembly (220) that cooperates with the tail end support frame (300). In use, the top of the tail end support frame (300) is provided with a stable support frame (500) that cooperates with the temporary drainage mechanism (400). A connecting assembly (600) is provided between the stable support frame (500) and the tail end support frame (300). The stable support frame (500) passes through the movable frame (200), and the tail end support frame (300) is located at the bottom of the pit. The movable frame (200) includes a movable base (201) that cooperates with the positioning support assembly (220), and a rectangular frame (202) is provided on the movable base (201). A first fixed frame (203) that cooperates with the positioning support assembly (220) is provided on the rectangular frame (202). A receiving slot (204) that cooperates with the temporary drainage mechanism (400) is provided on the rectangular frame (202), and the receiving slot (204) passes through the movable base (201). A connecting bracket (205) that cooperates with the telescopic assembly (110) is provided at one end of the rectangular frame (202) near the movable frame (100). Steering pulleys that cooperate with the first hinge assembly and the second hinge assembly are respectively provided on the rectangular frame (202). The tail support frame (300) includes a rectangular frame (310), and a U-shaped frame (320) that slides with the temporary drainage stop mechanism (400) is provided on one end face of the rectangular frame (310) near the temporary drainage stop mechanism (400). Limiting plates (330) that cooperate with the temporary drainage stop mechanism (400) are provided on both ends of the opening of the U-shaped frame (320). The stabilizing support frame (500) includes several stabilizing frames (510), and the top and bottom of the several stabilizing frames (510) are connected in sequence by stabilizing screws, and the structure of the stabilizing frame (510) is the same as the structure of the tail end support frame (300). The connecting assembly (600) includes a first connecting base (610) disposed on the top surface of the rectangular frame (202), and a second connecting base (620) disposed on the bottom surface of the stabilizing frame (510) located at the bottom end of the stabilizing support frame (500). The first connecting base is provided with a plurality of connecting rods (630), and the second connecting base (620) is provided with a plurality of connecting grooves for connecting rods (630), and the connecting rods (630) pass through the connecting grooves. The second connecting base (620) is provided with a screw that cooperates with the connecting rods (630). The temporary drainage mechanism (400) includes a water-stopping frame (410) that is slidably engaged with the tail end support frame (300) or the stable support frame (500), and the water-stopping frame (410) is provided with a sliding component (420) that is slidably engaged with the tail end support frame (300) or the stable support frame (500). The water-stopping frame (410) is provided with a drainage seat (430) that is slidably engaged with the water-stopping frame (410), and the water-stopping frame (410) is provided with a linear drive component that engages with the drainage seat (430). A fixed cylinder (440) is provided on the drainage seat (430), and a movable cylinder (450) that slides with the fixed cylinder (440) is coaxially provided on the fixed cylinder (440). A water collection cover is installed at the end of the movable cylinder (450). A spacing control component (460) that cooperates with the movable cylinder (450) is provided on the movable cylinder (450), and a connecting hose is provided on the fixed cylinder (440). The connecting hose is connected to the drainage component (470). The positioning support assembly (220) includes a positioning rod (221) disposed on the movable frame (200), a positioning plate (222) that cooperates with the positioning rod (221) is disposed on the tail support frame (300), and a slot (223) that cooperates with the positioning rod (221) is provided on the positioning plate (222), and a linear drive component that cooperates with the positioning rod (221) is disposed on the movable frame (200).

2. A temporary drainage system for damaged foundation pit support walls as described in claim 1, characterized in that: The front end of the mobile frame (100) is provided with an opening that cooperates with the mobile frame (100), and both sides of the mobile frame (100) are provided with storage slots that cooperate with the movable positioning component (210); the telescopic component (110) includes a moving slot (111) opened on the mobile frame (100), and a linear drive component is provided in the moving slot (111), and a sliding frame (112) is provided in the mobile frame (100) that slidably cooperates with the moving slot (111), and a telescopic hydraulic cylinder (113) is provided on the sliding frame (112), and the moving end of the telescopic hydraulic cylinder (113) is fixedly connected to the mobile frame (200).

3. A temporary drainage system for damaged foundation pit support walls as described in claim 1, characterized in that: The movable positioning component (210) includes a positioning base (211) located on one side of the movable base (201). The positioning base (211) is provided with a lifting and rolling unit (212) that cooperates with the foundation pit truss. The positioning base (211) is provided with a plurality of pull rods (213) evenly arranged along the length direction of the positioning base (211). The movable base (201) is provided with a positioning seat (214) that cooperates with the pull rods (213). The positioning seat (214) is provided with a positioning screw (215) that cooperates with the pull rods (213). The positioning base (211) is provided with a stable positioning unit (216) that cooperates with the foundation pit truss.

4. A temporary drainage system for damaged foundation pit support walls as described in claim 1, characterized in that: The sliding assembly (420) includes a sliding support arm (421) disposed on the waterstop frame (410), and the sliding support arm (421) is provided with a pulley that slides in cooperation with the tail end support frame (300) or the stable support frame (500). The waterstop frame (410) is symmetrically provided with two sets of L-shaped support arms for deviation, and the L-shaped support arms are provided with pulleys that slide in cooperation with the tail end support frame (300) or the stable support frame (500). The spacing control assembly (460) includes a movable ring plate (461) sleeved on the fixed cylinder (440), a fixed ring plate (462) is provided on the movable cylinder (450), and a plurality of support rods (463) are provided between the movable ring plate (461) and the fixed ring plate (462). A linear drive member that cooperates with the movable ring plate (461) is provided on the drainage seat (430), and the direction of the linear drive member is consistent with the axial direction of the fixed cylinder (440).

5. A temporary drainage system for damaged foundation pit support walls as described in claim 1, characterized in that: The drainage assembly (470) includes an intermediate box (471) that cooperates with the tail support frame (300), and the intermediate box is connected to the connecting hose. The upper end of the intermediate box (471) is provided with a water pumping hose, and the movable frame (200) is provided with a water pump that cooperates with the water pumping hose. The tail support frame (300) is provided with a pump that cooperates with the water accumulation in the pit, and the output end of the pumping pump is connected to the intermediate box (471) through a hose.

6. The method of using a temporary drainage system for damaged foundation pit support walls as described in claim 1, characterized in that: Includes the following steps: A: Preparations Before using the temporary drainage system, the location of the damaged support wall was initially determined using drone equipment; subsequently, the edge of the pit needed to be cleared and prepared to ensure that there were no obstacles at the edge of the pit, so as to reserve space for the subsequent installation of the vehicle frame device. B: Placement of the mobile frame (100) and movable frame (200) structures; B1: Place the mobile frame (100) at the edge of the pit and ensure its stability; B2: Install the temporary drainage stop mechanism (400) on the movable frame (200) and debug the temporary drainage stop mechanism (400); B3: Adjust the distance between the positioning base (211) and the movable frame (200) of the movable positioning component (210) so that the positioning base (211) is located directly above the pit truss, and use the positioning screw (215) to determine the distance; B4: Using a crane, the stabilizing support frame (500) is hoisted directly above the tail support frame (300), and the stabilizing support frame (500) and the tail support frame (300) are connected using a connecting assembly (600); B5: Using the telescopic component (110), the movable frame (200) is slid out from the mobile frame (100), and using the lifting and rolling unit (212), it travels on the foundation pit truss. After traveling a distance, at the expected position, the movable frame (200) is fixed on the foundation pit truss using the stabilizing positioning unit (216). C: Use of temporary drainage system (400); C1: Using the positioning support assembly (220), the tail support frame (300) is separated from the movable frame (200), and the tail support frame (300) is suspended at the bottom of the stable support frame (500) by the connecting assembly (600); C2: Using a crane and the second hinged rope assembly, the tail support frame (300) is slowly lowered to the bottom of the pit; C3: While performing step C2, the first hinged rope assembly, in conjunction with the guide of the stable support frame (500), uses the sliding assembly (420) set on the waterstop frame (410) to lower the waterstop frame (410) to the expected height based on the pre-observed height of the support wall damage. C4: Using the linear drive unit set on the water stop frame (410) and the linear drive unit on the spacing control assembly (460), the water collection cover comes into contact with the support box; C5: Based on the water accumulation requirements in the foundation pit, in step B2 above, the pump may be selectively installed on the tail end support frame (300); D: Demolition D1: Manually lower the box into the pit and remove the intermediate box (471) and the tail end fixed bracket; D2: The waterstop frame (410) is hoisted into the receiving slot using the first hinged rope assembly, and the tail support frame (300) and the stabilizing support frame (500) are hoisted using the second hinged rope assembly and the crane equipment, so that the tail support frame (300) is hoisted onto the movable frame (200), and the positioning support assembly (220) is activated to fix the tail support frame (300) onto the movable frame (200); D3: Activate the stabilizing positioning unit (216) to detach the live frame from the pit truss, and then, with the movement of the telescopic component (110), use the lifting and rolling unit (212) to retract the live frame into the storage slot; D4: Remove the connecting assembly (600) to separate the tail support frame (300) from the stabilizing support frame (500); D5: As required by the structure, remove the temporary drainage mechanism (400) from the movable base frame and fold the movable positioning component (210).

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