CN216379557U

CN216379557U - Foundation pit support structure

Info

Publication number: CN216379557U
Application number: CN202122861629.3U
Authority: CN
Inventors: 康晓峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-26
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the technical field of building construction, in particular to a foundation pit support structure, which comprises three joints, wherein the ends of the three joints are fixedly connected with one end of a connecting column through flanges, the other end of the connecting column is fixedly connected with a supporting cross rod through angle iron, a support baffle is attached to the outer side of the supporting cross rod, the support baffle comprises plate bodies, spigots, positioning sleeves, supporting blocks and inserting rods, the spigots are arranged in the left end of each plate body, the positioning sleeves are welded on the upper side and the lower side of each plate body, the improved support structure can be spliced through the spigots, a user can select a proper number of plate bodies to be combined for use according to needs, the bent plate bodies have higher bending resistance in the using process, the inserting rods sequentially penetrate through the three positioning sleeves from top to bottom, and the inserting rods can improve the pressure bearing capacity of the plate bodies in the using process, and facilitates the user's removal operation.

Description

Foundation pit support structure

Technical Field

The utility model relates to the technical field of building construction, in particular to a foundation pit support structure.

Background

The foundation pit enclosure is a method for developing and utilizing underground space and building various underground buildings such as multi-layer basements, underground railways, underground commercial streets and the like, and comprises a gravity type stirring pile retaining wall, an underground continuous wall, a pile column retaining wall and the like, so that the stability of the foundation pit and the safety and convenience of operation in the pit can be ensured, and the displacement of soil at the bottom of the pit and outside the pit is controlled within a certain range to ensure the normal use of adjacent buildings and municipal facilities.

The prior patent (publication number: CN 214657092U) discloses a supporting structure for foundation pit bracing, which comprises a plurality of mutually spliced supporting bodies, wherein each supporting body comprises a mounting plate detachably connected to the bottom wall of a foundation pit and a supporting plate hinged to the mounting plate and abutted to the side wall of the foundation pit, the mounting plate is provided with a locking anchor rod inserted into the bottom wall of the foundation pit, the mounting plate is hinged with an inclined supporting rod, and the free end part of the inclined supporting rod is detachably connected with the supporting plate through a connecting component. This application has the advantage that improves the practicality of strutting shallow foundation pit. The inventor finds the following problems in the prior art in the process of implementing the utility model: 1. most of the existing foundation pit enclosures are supported by a triangular structure formed between a steel plate and a steel frame, so that the existing foundation pit enclosures are single in functionality in the using process and have the condition of earthwork collapse caused by uneven bearing stress; 2. the general plate-shaped structure mostly adopts a mode of vertically inserting steel plates to enclose a foundation pit, the steel plates are not connected with one another, each steel plate has a pressure bearing effect by an independent individual body, and gaps easily exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foundation pit support structure to solve the problems in the background technology. In order to achieve the purpose, the utility model provides the following technical scheme: a foundation pit support structure comprises three joints, wherein the ends of the three joints are fixedly connected with one end of a connecting column through flanges, the other end of the connecting column is fixedly connected with a supporting cross rod through angle iron, and a support baffle is attached to the outer side of the supporting cross rod;

the enclosure baffle comprises plate body, socket, position sleeve, supporting shoe and inserted bar, the socket has been seted up to the inside left end of plate body, and the upper and lower both sides of plate body have all welded the position sleeve, fixed connection between supporting shoe and the plate body is passed through to the both sides of position sleeve, the inserted bar has been run through to the inside of position sleeve.

Further preferably, the included angles between the central axes of the connecting columns are all 90 degrees.

Further preferably, the connecting columns are perpendicular to the supporting cross bar.

Further preferably, the angle irons are symmetrically distributed around the central axis of the connecting column, and the angle irons are in an L-shaped structure.

Further preferably, the plate body is arranged to be of an equidistant bending structure, and the size of the right end of the plate body is matched with the inner size of the socket.

Further preferably, the central axis of the positioning sleeve coincides with the central axis of the inserted link.

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

according to the utility model, the distance between the ends of the three joints can be extended by utilizing the connecting columns, the connecting columns can be correspondingly replaced according to users and the specific size of the foundation pit, the inner sides of the supporting cross rods can be fixedly supported by virtue of the connecting columns, and the attaching degree between the supporting cross rods and the inner wall of the plate body is kept.

According to the utility model, the L-shaped angle iron can keep the perpendicularity of the connecting column in the connecting process with the supporting cross rod as much as possible, the angle iron can improve the bearing capacity of the connecting position of the L-shaped angle iron and the supporting cross rod, the situation of fracture and dislocation is avoided, the plate bodies can be inserted and connected through the inserting ports, a user can select a proper number of plate bodies to be combined for use according to needs, the bent plate bodies have higher bending resistance in the using process, the inserting rods sequentially penetrate through the three positioning sleeves from top to bottom, the bearing capacity of the plate bodies in the using process can be improved through the inserting rods, and the disassembling operation of the user is facilitated.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of a connecting part of the containment baffle of the utility model;

FIG. 3 is a schematic top view of the present invention.

In the figure: 1. three joints; 2. a flange; 3. connecting the column; 4. angle iron; 5. a support rail; 6. a containment baffle; 7. a plate body; 8. a socket; 9. a positioning sleeve; 10. a support block; 11. and (4) inserting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a foundation pit support structure comprises three joints 1, wherein the ends of the three joints 1 are fixedly connected with one ends of linking columns 3 through flanges 2, the other ends of the linking columns 3 are fixedly connected with a supporting cross rod 5 through angle irons 4, and a support baffle 6 is attached to the outer side of the supporting cross rod 5;

the enclosing baffle 6 comprises a plate body 7, a socket 8, a positioning sleeve 9, a supporting block 10 and an inserted bar 11, the socket 8 is arranged in the left end of the plate body 7, the positioning sleeve 9 is welded on the upper side and the lower side of the plate body 7, the two sides of the positioning sleeve 9 are fixedly connected with the plate body 7 through the supporting block 10, and the inserted bar 11 penetrates through the positioning sleeve 9.

In this embodiment, as shown in fig. 1, the included angles between the central axes of the connecting columns 3 are all 90 °; the end distances of the three joints 1 can be extended by utilizing the connecting columns 3, and the connecting columns 3 can be correspondingly replaced according to users and the specific size of a foundation pit.

In this embodiment, as shown in fig. 1, the connecting column 3 is perpendicular to the supporting cross bar 5; the inner side of the supporting cross rod 5 can be fixedly supported by the connecting columns 3, and the attaching degree between the supporting cross rod 5 and the inner wall of the plate body 7 is kept.

In this embodiment, as shown in fig. 1, the angle irons 4 are symmetrically distributed about the central axis of the connecting column 3, and the angle irons 4 are in an L-shaped structure; the L-shaped angle iron 4 can keep the perpendicularity of the connecting column 3 in the connecting process with the supporting cross rod 5 as much as possible, and the angle iron 4 can improve the bearing capacity of the joint of the L-shaped angle iron and the supporting cross rod, so that the situation of fracture and disjointing is avoided.

In this embodiment, as shown in fig. 2, the plate body 7 is provided with an equidistant bending structure, and the size of the right end of the plate body 7 is identical to the internal size of the socket 8; the plate bodies 7 can be inserted and connected through the inserting openings 8, a user can select a proper number of plate bodies 7 to be combined and used according to needs, and the bent plate bodies 7 have higher bending resistance in the using process.

In this embodiment, as shown in fig. 1 and 3, the central axis of the positioning sleeve 9 coincides with the central axis of the insert rod 11; the inserted bar 11 sequentially penetrates through the three positioning sleeves 9 from top to bottom, and the inserted bar 11 can improve the bearing capacity of the plate body 7 in the use process and is convenient for a user to detach.

The use method and the advantages of the utility model are as follows: when the foundation pit support structure is rolled, the working process is as follows:

as shown in fig. 1, 2 and 3, firstly, a user can select a proper number of plate bodies 7 to be combined for use according to needs, the plate bodies 7 can be spliced through the spigots 8, the bent plate bodies 7 have higher bending resistance in the using process, the inserted rods 11 sequentially penetrate through the three positioning sleeves 9 from top to bottom, the inserted rods 11 can improve the pressure bearing capacity of the plate bodies 7 in the using process and facilitate the dismounting operation of the user, the end distances of the three joints 1 can be extended by utilizing the connecting columns 3, the connecting columns 3 can be correspondingly replaced according to the specific sizes of the user and a foundation pit, the inner sides of the supporting transverse rods 5 can be fixedly supported by the connecting columns 3, the attaching degree between the supporting transverse rods 5 and the inner walls of the plate bodies 7 is maintained, and the perpendicularity of the connecting columns 3 in the connecting process with the supporting transverse rods 5 can be maintained as much as possible by the L-shaped angle irons 4, and the angle iron 4 can improve the bearing capacity of the joint of the angle iron and the angle iron, and the condition of fracture and disjointing is avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a foundation ditch envelope, includes three joints (1), its characterized in that: the end of the three-joint (1) is fixedly connected with one end of the linking column (3) through a flange (2), the other end of the linking column (3) is fixedly connected with a supporting cross rod (5) through an angle iron (4), and a containment baffle (6) is attached to the outer side of the supporting cross rod (5);

the enclosure baffle (6) comprises a plate body (7), a socket (8), a positioning sleeve (9), a supporting block (10) and an inserted bar (11), the socket (8) is arranged inside the left end of the plate body (7), the positioning sleeve (9) is welded on the upper side and the lower side of the plate body (7), the two sides of the positioning sleeve (9) are fixedly connected with the plate body (7) through the supporting block (10), and the inserted bar (11) penetrates through the inside of the positioning sleeve (9).

2. A foundation pit enclosure according to claim 1 wherein: the included angles between the central axes of the connecting columns (3) are all 90 degrees.

3. A foundation pit enclosure according to claim 1 wherein: the connecting columns (3) are vertical to the supporting cross rods (5).

4. A foundation pit enclosure according to claim 1 wherein: the angle irons (4) are symmetrically distributed about the central axis of the connecting column (3), and the angle irons (4) are L-shaped structural bodies.

5. A foundation pit enclosure according to claim 1 wherein: the plate body (7) is arranged to be of an equidistant bending structure, and the size of the right end dimension of the plate body (7) is identical with the inner dimension of the socket (8).

6. A foundation pit enclosure according to claim 1 wherein: the central axis of the positioning sleeve (9) coincides with the central axis of the inserted rod (11).