CN219886853U - Anti-collapse cooperative supporting device for foundation pit - Google Patents

Anti-collapse cooperative supporting device for foundation pit Download PDF

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Publication number
CN219886853U
CN219886853U CN202321003609.5U CN202321003609U CN219886853U CN 219886853 U CN219886853 U CN 219886853U CN 202321003609 U CN202321003609 U CN 202321003609U CN 219886853 U CN219886853 U CN 219886853U
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China
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foundation pit
plate
collapse prevention
hinged
walls
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CN202321003609.5U
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Chinese (zh)
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芮瑞
李珍德
翟玉新
丁锐恒
陈成
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Abstract

The utility model provides a foundation pit collapse prevention cooperative support device, which comprises two groups of plate walls; the two groups of plate walls are vertically arranged at two opposite sides of the foundation pit at intervals in parallel, and positioning structures are arranged on the inner sides of each group of plate walls; and a connecting structure is hinged between the two groups of positioning structures. The device simple structure, the simple operation is high-efficient, and the practicality is strong, can prevent effectively that the foundation ditch from collapsing, and the steadiness is high.

Description

Anti-collapse cooperative supporting device for foundation pit
Technical Field
The utility model relates to the field of buildings, in particular to a foundation pit collapse prevention cooperative support device.
Background
The economic rapid development drives the construction of infrastructure, but uncontrollable factors possibly appear in the construction to influence the safety of the foundation pit, such as rainwater weather, ground overload and the like, so that a proper supporting device is needed to prevent the collapse of the foundation pit caused by the soil body on the side wall when the foundation pit is excavated.
The prior foundation pit supporting device has some problems in actual use, for example, chinese patent publication No. CN211973460U discloses a sheet pile wall structure for supporting a pile foundation, and the two groups of first wallboards are propped by using the supporting boards through installing the supporting boards at the middle parts of the two groups of first wallboards, so that the two groups of first wallboards can be in contact with the soil layer on the inner wall of the foundation pit, the supporting of the foundation pit is realized, and the deformation of the foundation pit is prevented.
This structure is nevertheless can realize the support to the foundation ditch, but is inconvenient for changing the fagging, when in actual use, need regulate and control the distance between two first wallboards according to actual conditions, consequently need change the fagging of different length to displacement and atress condition between two sets of first wallboards are adjusted. In addition, in practical engineering, foundation pit excavation is performed with a certain inclination for various reasons, and the foundation pit collapse due to support failure is not considered in the process of supporting. Meanwhile, in the foundation pit excavation process, the foundation pit safety can not be ensured by controlling the soil pressure of the side wall of the foundation pit while excavating and supporting.
Disclosure of Invention
The utility model aims to provide a foundation pit collapse prevention cooperative supporting device, which is used for solving the problem of poor stability of the existing foundation pit supporting structure.
The technical scheme of the utility model is as follows:
a foundation pit collapse prevention cooperative supporting device comprises two groups of plate walls; the two groups of the plate walls are vertically arranged in parallel at intervals, and the inner side of each group of the plate walls is provided with a positioning structure; and a connecting structure is hinged between the two groups of positioning structures.
As a technical scheme of the utility model, the top surface of each group of the slab walls is provided with connecting strips extending along the length direction, and the bottom surface is provided with connecting grooves clamped with the connecting strips; the connecting strip is provided with a plurality of first mounting holes arranged along the length direction, and the connecting groove is provided with a plurality of second mounting holes arranged along the length direction.
As a technical scheme of the utility model, a plurality of rows of conical positioning rods are arranged on the outer side of each group of the plate walls along the height direction, and a plurality of barbs are fixed on the outer wall of each conical positioning rod.
As a technical scheme of the utility model, the positioning structure comprises two plugging rods; the two plugging rods are vertically fixed on the inner side of the slab wall at intervals in parallel, and each plugging rod is sleeved with a vertically arranged plugging column; two first fixing blocks which are arranged in parallel at intervals are fixedly arranged on the two opposite outer sides of each plug-in column along the height direction, and a fixing bolt is inserted between the two first fixing blocks on the same side of the plug-in column; a second fixed block is movably sleeved on the fixed bolt; one ends of the four second fixing blocks are fixedly connected to one side of the connecting plate; the connecting structure is hinged between the two connecting plates.
As a technical scheme of the utility model, two mounting plates are arranged on the other side of each connecting plate at intervals in parallel, and a first dowel bar is connected between the two mounting plates; the two ends of the connecting structure are respectively hinged to the two first dowel bars.
As a technical scheme of the utility model, the connecting structure comprises a bidirectional hydraulic cylinder.
As a technical scheme of the utility model, the other side of each connecting plate is provided with a U-shaped positioning plate; a second dowel bar is connected between the two opposite side walls of the U-shaped positioning plate; a pressure measuring structure is hinged between the two second dowel bars; the bidirectional hydraulic oil cylinder is connected with the pressure measuring structure in a transmission way and is used for driving the pressure measuring structure to move in the moving process.
As a technical scheme of the utility model, the pressure measuring structure comprises a fixed sleeve, two movable rods, two pressure sensors and two pushing plates; a lantern ring is fixed on the middle part of the bidirectional hydraulic cylinder, and the lantern ring is fixedly sleeved on the fixed sleeve; one end of each movable rod is hinged to the corresponding dowel bar, and the other end of each movable rod movably extends into the inner cavity of the fixed sleeve and is connected with the corresponding push plate; the pushing plate is movably externally connected to the inner peripheral wall of the fixed sleeve; each pressure sensor is arranged in the inner cavity of the fixed sleeve, one end of each pressure sensor is fixedly connected to the inner side of one end of the fixed sleeve, and the other end of each pressure sensor is connected to the push plate.
The utility model has the beneficial effects that:
according to the foundation pit collapse prevention cooperative support device, an integrated foundation pit collapse prevention support system is formed through assembly, and the positioning structure and the connecting structure are connected in a hinged mode, so that foundation pits with different inclination angles are adapted, the practicability is high, and support failure caused by overlarge inclination angles of the foundation pit angles can be prevented. Meanwhile, the pressure measurement structure can enable data to be measured regularly to the central control console, the central control console can judge whether the pressure of the panel wall needs to be adjusted through the obtained data, the pressure of the panel wall is increased or decreased and adjusted, servo cooperation is generated in the process, disassembly is not needed, collapse of a foundation pit can be effectively prevented, excavation supporting of actual working conditions of the foundation pit can be achieved, the problem of actual engineering is solved, and the stability of supporting of the foundation pit is protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a foundation pit collapse prevention cooperative support device provided by an embodiment of the utility model;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of FIG. 1 at B;
FIG. 4 is a schematic view of a fixing sleeve according to an embodiment of the present utility model;
fig. 5 is a schematic view of a tapered positioning rod according to an embodiment of the present utility model.
Icon: 1-a plate wall; 2-connecting strips; 3-connecting grooves; 4-a conical positioning rod; 5-barbs; 6-inserting a connecting rod; 7-inserting a column; 8-a first fixed block; 9-fixing bolts; 10-a second fixed block; 11-connecting plates; 12-mounting plates; 13-a first dowel; 14-a bidirectional hydraulic cylinder; 15-U-shaped positioning plates; 16-a second dowel; 17-fixing the sleeve; 18-moving the rod; 19-a pressure sensor; 20-pushing plate; 21-collar; 22-push rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.
Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features being in direct contact, either above or below a second feature, or through additional feature contacts therebetween, rather than being in direct contact. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
referring to fig. 1, referring to fig. 2 to 5 in combination, the present utility model provides a collapse-preventing cooperative supporting device for a foundation pit, comprising two groups of siding walls 1; the two groups of the plate walls 1 are vertically arranged in parallel at intervals, and the inner side of each group of the plate walls 1 is provided with a positioning structure; and a connecting structure is hinged between the two groups of positioning structures.
Further, the top surface of each group of the siding walls 1 is provided with a connecting strip 2 extending along the length direction, and the bottom surface is provided with a connecting groove 3 clamped with the connecting strip 2; the connecting strip 2 is provided with a plurality of first mounting holes arranged along the length direction, and the connecting groove 3 is provided with a plurality of second mounting holes arranged along the length direction; therefore, the connecting strip 2 and the connecting groove 3 can be fixedly connected by using bolts and utilizing the first mounting holes and the second mounting holes according to the needs, and then the slab wall 1 is assembled, so that the overall height of the slab wall 1 can be prolonged according to the needs, and foundation pits with different depths can be conveniently supported. Simultaneously, be equipped with multirow toper locating lever 4 in every group's the outside of siding wall 1 along the direction of height on, all be fixed with many barbs 5 on the outer wall of every toper locating lever 4, stability when barb 5 can further increase siding wall 1 and strut.
Furthermore, the positioning structure comprises two plugging rods 6; the two plugging rods 6 are vertically fixed on the inner side of the siding wall 1 at intervals in parallel, and each plugging rod 6 is sleeved with a vertically arranged plugging column 7; two parallel first fixing blocks 8 which are arranged at intervals are fixedly arranged on the opposite outer sides of each plug-in column 7 along the height direction, and a fixing bolt 9 is inserted between the two first fixing blocks 8 on the same side of the plug-in column 7; the fixing bolt 9 is movably sleeved with a second fixing block 10; one end of each of the four second fixing blocks 10 is fixedly connected to one side of the connecting plate 11; a connecting structure is hinged between the two connecting plates 11. Two mounting plates 12 are arranged on the other side of each connecting plate 11 at intervals in parallel, and a first dowel bar 13 is connected between the two mounting plates 12; the two ends of the connecting structure are respectively hinged on the two first dowel bars 13.
It should be noted that the connection structure may use a bidirectional hydraulic cylinder 14.
Meanwhile, a U-shaped positioning plate 15 is arranged on the other side of each connecting plate 11; a second dowel bar 16 is connected between the two opposite side walls of the U-shaped positioning plate 15; a pressure measuring structure is hinged between the two second dowel bars 16; the bidirectional hydraulic cylinder 14 is in transmission connection with the pressure measuring structure and is used for driving the pressure measuring structure to move.
The connecting plate 11 and the plug-in column 7 can be connected through the positioning structure, and meanwhile, the first dowel bar 13 and the second dowel bar 16 are hinged with the two-way hydraulic cylinder 14 and the pressure measuring structure to adapt to foundation pit forms of different angles for supporting, so that the two-way hydraulic cylinder 14 is more convenient to use for supporting the slab wall 1. And, push rods 22 at both ends of the bidirectional hydraulic cylinder 14 are respectively hinged with the corresponding first dowel bars 13, and meanwhile, the two push rods can be disassembled, the bidirectional hydraulic cylinder 14 is electrically connected with a central control console, and the central control console can adopt a controller in the prior art.
Further, the pressure measuring structure comprises a fixed sleeve 17, two moving rods 18, two pressure sensors 19 and two push plates 20; a lantern ring 21 is fixed on the middle part of the bidirectional hydraulic cylinder 14, and the lantern ring 21 is fixedly sleeved on the fixed sleeve 17; one end of each movable rod 18 is hinged to the corresponding dowel bar, and the other end of each movable rod movably extends into the inner cavity of the fixed sleeve 17 and is connected with the corresponding push plate 20; the push plate 20 is movably externally connected to the inner peripheral wall of the fixed sleeve 17; each pressure sensor 19 is disposed in the inner cavity of the fixed sleeve 17, and has one end fixedly connected to the inner side of one end of the fixed sleeve 17 and the other end connected to the push plate 20. In addition, each pressure sensor 19 is electrically connected to a central console, which may be a controller of the prior art.
The push plate 20 is in contact with the pressure sensor 19 when in a natural state at the elastomer inside the pressure sensor 19; when the bidirectional hydraulic cylinder 14 is used, when the bidirectional hydraulic cylinder 14 controls the push rod 22 to move, the push rod 22 can drive the connecting plate 11 to move, so that pressure is generated on the slab wall 1, at the moment, the connecting plate 11 can drive the moving rod 18 to move when moving, the moving rod 18 drives the push plate 20 to move, at the moment, the push plate 20 generates pressure on the pressure sensor 19, and the pressure value is detected by the pressure sensor 19, so that the pressure applied to the slab wall 1 can be detected. Through setting up the pressure measurement structure, the data that the pressure measurement structure can take place periodic measurement to central control platform, and central control platform can judge whether need adjust the pressure of siding 1 through the data that obtain, when needs adjustment, central control platform passes through the adjustment of two-way hydraulic cylinder 14 work realization to the increase and decrease of pressure.
In summary, in the foundation pit collapse prevention cooperative support device, the integrated foundation pit collapse prevention support system is formed through assembly, and the positioning structure and the connecting structure are connected in a hinged mode so as to adapt to foundation pits with different inclination angles, so that the practicability is strong, and the support failure caused by overlarge inclination angles of the foundation pit angles can be prevented. Meanwhile, the pressure measurement structure can enable data to be measured regularly to the central control console, the central control console can judge whether the pressure of the prefabricated slab wall 1 needs to be adjusted through the obtained data, the pressure of the slab wall 1 is increased or decreased and adjusted, servo cooperation is achieved in the process, disassembly is not needed, foundation pit collapse can be effectively prevented, excavation supporting of foundation pit under actual working conditions can be achieved, the problem of actual engineering is solved, and the stability of foundation pit supporting is protected.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The foundation pit collapse prevention cooperative supporting device is characterized by comprising two groups of plate walls; the two groups of plate walls are vertically arranged at two opposite sides of the foundation pit at intervals in parallel, and positioning structures are arranged on the inner sides of each group of plate walls; and a connecting structure is hinged between the two groups of positioning structures.
2. The foundation pit collapse prevention cooperative supporting device according to claim 1, wherein connecting strips extending in the length direction are arranged on the top surface of each group of the slab walls, and connecting grooves clamped with the connecting strips are arranged on the bottom surface; the connecting strip is provided with a plurality of first mounting holes arranged along the length direction, and the connecting groove is provided with a plurality of second mounting holes arranged along the length direction.
3. The foundation pit collapse prevention cooperative support device according to claim 1, wherein a plurality of rows of conical positioning rods are arranged on the outer side of each group of the slab walls along the height direction, and a plurality of barbs are fixed on the outer wall of each conical positioning rod.
4. The foundation pit collapse prevention cooperative support device of claim 1, wherein the positioning structure comprises two insertion rods; the two plugging rods are vertically fixed on the inner side of the slab wall at intervals in parallel, and each plugging rod is sleeved with a vertically arranged plugging column; two first fixing blocks which are arranged in parallel at intervals are fixedly arranged on the two opposite outer sides of each plug-in column along the height direction, and a fixing bolt is inserted between the two first fixing blocks on the same side of the plug-in column; a second fixed block is movably sleeved on the fixed bolt; one ends of the four second fixing blocks are fixedly connected to one side of the connecting plate; the connecting structure is hinged between the two connecting plates.
5. The foundation pit collapse prevention cooperative support device according to claim 4, wherein two mounting plates are mounted on the other side of each connecting plate in parallel at intervals, and a first dowel bar is connected between the two mounting plates; the two ends of the connecting structure are respectively hinged to the two first dowel bars.
6. The foundation pit collapse prevention cooperative support device of claim 5, wherein the connection structure comprises a bi-directional hydraulic cylinder.
7. The foundation pit collapse prevention cooperative support device according to claim 6, wherein a U-shaped locating plate is installed on the other side of each connecting plate; a second dowel bar is connected between the two opposite side walls of the U-shaped positioning plate; a pressure measuring structure is hinged between the two second dowel bars; the bidirectional hydraulic oil cylinder is connected with the pressure measuring structure in a transmission way and is used for driving the pressure measuring structure to move in the moving process.
8. The foundation pit collapse prevention cooperative support device of claim 7, wherein the pressure measurement structure comprises a fixed sleeve, two moving rods, two pressure sensors, and two push plates; a lantern ring is fixed on the middle part of the bidirectional hydraulic cylinder, and the lantern ring is fixedly sleeved on the fixed sleeve; one end of each movable rod is hinged to the corresponding dowel bar, and the other end of each movable rod movably extends into the inner cavity of the fixed sleeve and is connected with the corresponding push plate; the pushing plate is movably externally connected to the inner peripheral wall of the fixed sleeve; each pressure sensor is arranged in the inner cavity of the fixed sleeve, one end of each pressure sensor is fixedly connected to the inner side of one end of the fixed sleeve, and the other end of each pressure sensor is connected to the push plate.
CN202321003609.5U 2023-04-28 2023-04-28 Anti-collapse cooperative supporting device for foundation pit Active CN219886853U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321003609.5U CN219886853U (en) 2023-04-28 2023-04-28 Anti-collapse cooperative supporting device for foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321003609.5U CN219886853U (en) 2023-04-28 2023-04-28 Anti-collapse cooperative supporting device for foundation pit

Publications (1)

Publication Number Publication Date
CN219886853U true CN219886853U (en) 2023-10-24

Family

ID=88395231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321003609.5U Active CN219886853U (en) 2023-04-28 2023-04-28 Anti-collapse cooperative supporting device for foundation pit

Country Status (1)

Country Link
CN (1) CN219886853U (en)

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