CN216586564U

CN216586564U - Foundation pit inner support system

Info

Publication number: CN216586564U
Application number: CN202122625149.7U
Authority: CN
Inventors: 胡艳华
Original assignee: Guangdong Yuji Construction Engineering Co ltd
Current assignee: Guangdong Yuji Construction Engineering Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-24
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an inner supporting system for a foundation pit, which comprises a base, wherein a vibration sensor is arranged on the outer surface of the upper end of the base, jacks are fixedly arranged on two sides of the upper end of the base, a supporting plate is fixedly arranged on the outer surface of the upper end of each jack, first connecting seats are fixedly arranged on two sides of the upper end of each supporting plate, first connecting rods are arranged on the outer surfaces of two sides of each first connecting seat, a connecting ring is fixedly arranged on one side of the upper end of each first connecting rod, a telescopic rod is movably connected to the outer surface of the upper end of each connecting ring, a second connecting seat is arranged on the outer surface of one end of each first connecting rod, a second connecting rod is arranged on the outer surface of the upper end of each first connecting seat, and a third connecting seat is arranged on the outer surface of the upper end of each second connecting rod. The utility model is convenient for increasing the movable structure of the supporting system, can improve the use effect of the supporting system and has practicability.

Description

Inner support system for foundation pit

Technical Field

The utility model relates to the technical field of building foundation pits, in particular to an inner support system for a foundation pit.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The persons with low excavation depth can use the method of putting side slope to make the earth slope stable, and the size of the slope is determined according to the relevant construction project. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like. The urban bridge engineering foundation pit is mainly used for bearing platforms, bridge abutments and enlarged foundation construction and generally comprises two types of non-support and support. First-stage: important engineering or supporting structures are used as a part of a main structure, the excavation depth is more than 10 meters, the distance between the important engineering or supporting structures and adjacent buildings and important facilities is within the excavation depth, and foundation pits needing strict protection, such as historical relics, modern excellent buildings, important pipelines and the like, exist in the range of the foundation pits. And (2) second stage: and the foundation pits are arranged between the first-level foundation pit and the third-level foundation pit. Third-stage: and excavating a foundation pit with the depth less than or equal to 7 m and no special requirements on the surrounding environment. In the design of a foundation pit, a pit supporting structure is usually used for supporting a pit body.

However, the existing supporting system of the foundation pit has certain defects in the design and use process, the supporting system has a single structure and low supporting stability, can cause inclination and deviation of components, has less functionality, cannot meet the requirement of supporting the foundation pit, and influences the use effect of the supporting system, so that the supporting system is improved correspondingly at present.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an inner supporting system for a foundation pit, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an inner supporting system of foundation ditch, includes the base, the upper end surface of base is provided with vibration sensor, the equal fixed mounting in upper end both sides of base has the jack, the upper end external surface fixed mounting of jack has the backup pad, the equal fixed mounting in upper end both sides of backup pad has the first connection seat, the both sides surface of first connection seat all is provided with the head rod, upper end one side fixed mounting of head rod has the go-between, the upper end surface swing joint of go-between has the telescopic link, the one end surface of head rod is provided with the second connecting seat, the upper end surface of first connection seat is provided with the second connecting rod, the upper end surface of second connecting rod is provided with the third connecting seat, the upper end external surface fixed mounting of third connecting seat has the clamp plate.

Preferably, the base is of an L-shaped structure, and the other side of the upper end of the base is provided with a humidity sensor.

Preferably, the number of jacks is a plurality of groups, two groups of jacks are located on two sides of the lower end of the supporting plate, reinforcing rings are fixedly mounted on the outer surfaces of the jacks, oblique angle rods are fixedly mounted on the outer surfaces of two sides of each reinforcing ring, and the lower ends of the oblique angle rods are fixedly connected with the base.

Preferably, the number of the first connecting rods is a plurality of groups, the number of the second connecting seats is two groups, and two sides of the two groups of the second connecting seats are respectively connected with one end of the second connecting rod.

Preferably, one end of the telescopic rod is provided with a telescopic block, the telescopic rod is connected through the telescopic block in a sleeved mode, the number of the telescopic rods is a plurality of groups, and the two groups of the telescopic rods are located above the supporting plate and are of an X-shaped structure.

Preferably, the first connecting seat and the third connecting seat have the same structure, mounting grooves are formed in the outer surfaces of the two ends of the first connecting rod and the second connecting rod, screw bolts are arranged at the middle positions of the mounting grooves and are movably connected with the mounting grooves in a penetrating mode, the first connecting rod and the second connecting rod are connected with the first connecting seat, the second connecting seat and the third connecting seat through the screw bolts respectively, and a dust screen is movably mounted at the middle positions of the first connecting rod and the second connecting rod.

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

1. according to the utility model, through the arrangement of the telescopic rods, the reinforcing rings, the oblique angle rods and the pressing plates, the X-shaped structures of the two groups of telescopic rods are convenient for increasing the supporting stability of the supporting system in the Z-axis direction, the pressing plates are convenient for increasing the supporting area of the supporting system and improving the supporting stability of the supporting system, the reinforcing rings and the oblique angle rods are convenient for increasing the connection firmness between the jack and the base, the inclination of each part of the supporting system is avoided, and thus the use effect of the supporting system is improved;

2. according to the utility model, the vibration sensor, the jack, the humidity sensor and the dust screen are arranged, so that the vibration detection function and the humidity detection function of the supporting system can be conveniently increased by the vibration sensor and the humidity sensor, the system can detect the stability and the humidity in the foundation pit in real time, the jack is convenient for increasing the self-height adjusting structure of the supporting system, the soil loss of the foundation pit is avoided, the looseness of the supporting system is avoided, and the practicability of the supporting system is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of an internal support system for a foundation pit according to the present invention;

FIG. 2 is an exploded view of the overall construction of an internal support system for a foundation pit according to the present invention;

FIG. 3 is a schematic structural diagram of a base and a jack in an inner support system of a foundation pit according to the present invention;

FIG. 4 is an exploded view of the first connecting seat and the first and second connecting rods of the inner support system of a foundation pit according to the present invention;

fig. 5 is an exploded view of the second connecting seat and the first connecting rod in the support system of the foundation pit according to the present invention.

In the figure: the device comprises a base 1, a vibration sensor 2, a jack 3, a supporting plate 4, a first connecting seat 5, a first connecting rod 6, a connecting ring 7, an expansion rod 8, a second connecting seat 9, a second connecting rod 10, a third connecting seat 11, a pressing plate 12, a humidity sensor 13, a reinforcing ring 14, an oblique angle rod 15, a telescopic block 16, a mounting groove 17, a screw bolt 18 and a dust screen 19.

Detailed Description

The utility model will be further described with reference to the following detailed description so that the technical means and features of the utility model achieved by the utility model are readily apparent and understood.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the supporting system or the member to be referred must have a specific orientation to be constructed and operated in a specific orientation, and thus, cannot be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, the terms "connected" may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1-5, an inner supporting system for a foundation pit comprises a base 1, a vibration sensor 2 is arranged on the outer surface of the upper end of the base 1, jacks 3 are fixedly arranged on the two sides of the upper end of the base 1, a supporting plate 4 is fixedly arranged on the outer surface of the upper end of each jack 3, first connecting seats 5 are fixedly arranged on the two sides of the upper end of each supporting plate 4, first connecting rods 6 are arranged on the outer surfaces of the two sides of each first connecting seat 5, a connecting ring 7 is fixedly arranged on one side of the upper end of each first connecting rod 6, an expansion link 8 is movably connected to the outer surface of the upper end of each connecting ring 7, a second connecting seat 9 is arranged on the outer surface of one end of each first connecting rod 6, a second connecting rod 10 is arranged on the outer surface of the upper end of each first connecting seat 5, a third connecting seat 11 is arranged on the outer surface of the upper end of each second connecting rod 10, and a pressing plate 12 is fixedly arranged on the outer surface of the upper end of each third connecting seat 11.

Wherein, base 1 is "L" type structure, and base 1's upper end opposite side is provided with humidity transducer 13, uses current sensor detection technique and signal transmission technique, and braced system's vibration sensor 2 and humidity transducer 13 can be used to detect the steady state and the humidity situation of foundation ditch.

Wherein, the quantity of jack 3 is a plurality of groups, and two sets of jacks 3 are located the lower extreme both sides position of backup pad 4, and the fixed surface of jack 3 installs reinforcing ring 14, and the equal fixed mounting in both sides surface of reinforcing ring 14 has oblique angle pole 15, and the lower extreme of oblique angle pole 15 all with base 1 fixed connection, use 3 hydraulic pressure of current jack to stretch the technique and can adjust braced system's height for braced system can deal with the soil property loss of foundation ditch.

Wherein, the quantity of head rod 6 is a plurality of groups, and the quantity of second connecting seat 9 is two sets of, and the both sides of two sets of second connecting seats 9 are connected with the one end of second connecting rod 10 respectively, and head rod 6 assembles braced system's length and width with second connecting seat 9 according to the length and the width of foundation ditch in the use.

Wherein, the one end of telescopic link 8 is provided with flexible piece 16, and telescopic link 8 is connected through 16 suits of flexible piece, and the quantity of telescopic link 8 is a plurality of groups, and two sets of telescopic links 8 are located the top of backup pad 4 and are "X" type structure, use current triangle-shaped stable structure to be used for increasing braced system's support stability.

Wherein, the structure of first connecting seat 5 and third connecting seat 11 is the same, mounting groove 17 has all been seted up to the both ends surface of head rod 6 and second connecting rod 10, the intermediate position of mounting groove 17 is provided with screw bolt 18, screw bolt 18 is movable through connection with mounting groove 17, head rod 6 and second connecting rod 10 are respectively through screw bolt 18 and first connecting seat 5, second connecting seat 9 and third connecting seat 11 are connected, head rod 6 and second connecting rod 10 intermediate position movable mounting have dust screen 19, use current screw installation technique, braced system passes through head rod 6 and second connecting rod 10 and first connecting seat 5, second connecting seat 9 and third connecting seat 11 are connected and are assembled the structure of the length width height of foundation ditch, thereby increase braced system's detachability.

It should be noted that, when the present invention is an inner support system for foundation pit, the right-angled end of the "L" of the base 1 is placed at the corner of the foundation pit, the first connecting rod 6 and the second connecting rod 10 are assembled according to the length, width and height of the foundation pit, the existing screw installation technology is applied, the screw bolts 18 at one end of the two groups of first connecting rods 6 are screwed with the two sides of the second connecting seat 9 through the installation grooves 17, the screw bolts 18 at the other end of the two groups of first connecting rods 6 are installed in a manner of penetrating through the installation grooves 17 and being screwed with the two groups of first connecting seats 5, the height of the support system is installed in a manner of assembling the two ends of the second connecting rod 10 with the first connecting seats 5 and the third connecting seats 11, so that the support system is assembled into a rectangular frame structure, the two groups of telescopic rods 8 are connected with the first connecting rods 6 in an "X" type structure through the connecting rings 7 assembled up and down oppositely, reinforce braced system's height, flexible piece 16 is used for adjusting the length of telescopic link 8, install dust screen 19 respectively around the frame, be used for the dustproof processing of foundation ditch, make jack 3 upwards extend through using current jack 3 hydraulic stretching technique, shift up backup pad 4 and clamp plate 12 with the top extrusion of foundation ditch, make braced system be used for the support at foundation ditch top, accomplish braced system's installation, add ring 14 and diagonal bar 15 and be used for increasing the firm in connection nature that jack 3 and base 1 go on, use current sensor detection technique and signal transmission technique, vibration sensor 2 and humidity transducer 13 can carry out real-time detection to braced system's support stability and the inside humidity of foundation ditch, make the collapse of avoiding the foundation ditch.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An interior support system for a foundation pit, comprising a base (1), characterized in that: the vibration detection device is characterized in that a vibration sensor (2) is arranged on the outer surface of the upper end of the base (1), jacks (3) are fixedly arranged on two sides of the upper end of the base (1), a supporting plate (4) is fixedly arranged on the outer surface of the upper end of each jack (3), first connecting seats (5) are fixedly arranged on two sides of the upper end of each supporting plate (4), first connecting rods (6) are arranged on the outer surfaces of two sides of each first connecting seat (5), a connecting ring (7) is fixedly arranged on one side of the upper end of each first connecting rod (6), a telescopic rod (8) is movably connected to the outer surface of the upper end of each connecting ring (7), second connecting seats (9) are arranged on the outer surface of one end of each first connecting rod (6), second connecting rods (10) are arranged on the outer surface of the upper end of each first connecting seat (5), third connecting seats (11) are arranged on the outer surface of the upper ends of the second connecting rods (10), and a pressing plate (12) is fixedly arranged on the outer surface of the upper end of the third connecting seat (11).

2. An excavation internal support system according to claim 1, wherein: the base (1) is of an L-shaped structure, and a humidity sensor (13) is arranged on the other side of the upper end of the base (1).

3. An excavation internal support system according to claim 1, wherein: the quantity of jack (3) is a plurality of groups, and is two sets of jack (3) are located the lower extreme both sides position of backup pad (4), the fixed surface of jack (3) installs reinforcement ring (14), the equal fixed mounting in both sides surface of reinforcement ring (14) has diagonal pole (15), the lower extreme of diagonal pole (15) all with base (1) fixed connection.

4. An excavation internal support system according to claim 1, wherein: the number of the first connecting rods (6) is a plurality of groups, the number of the second connecting seats (9) is two groups, and two sides of the two groups of the second connecting seats (9) are respectively connected with one end of a second connecting rod (10).

5. An excavation internal support system according to claim 1, wherein: one end of the telescopic rod (8) is provided with a telescopic block (16), the telescopic rod (8) is connected through the telescopic block (16) in a sleeved mode, the number of the telescopic rods (8) is a plurality of groups, and the telescopic rods (8) are two groups and are in an X-shaped structure above the supporting plate (4).

6. The support system as claimed in claim 1, wherein: the structure of first connecting seat (5) and third connecting seat (11) is the same, mounting groove (17) have all been seted up to the both ends surface of first connecting rod (6) and second connecting rod (10), the intermediate position of mounting groove (17) is provided with screw bolt (18), screw bolt (18) are movable through connection with mounting groove (17), first connecting rod (6) and second connecting rod (10) are connected with first connecting seat (5), second connecting seat (9) and third connecting seat (11) through screw bolt (18) respectively, first connecting rod (6) and second connecting rod (10) intermediate position movable mounting have dust screen (19).