CN218148374U

CN218148374U - Enclosing structure for super-large and super-deep basement excavation

Info

Publication number: CN218148374U
Application number: CN202221771684.1U
Authority: CN
Inventors: 杨庆; 韦鳎鹏; 陈虎; 吴文清; 殷民智
Original assignee: Anhui Road and Bridge Engineering Co Ltd
Current assignee: Anhui Road and Bridge Engineering Co Ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-12-27
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses an envelope is used in super dark basement excavation of super large, including the concrete enclosure, a plurality of screw sleeve of group are installed to the inside equidistance of concrete enclosure, the splice bar has been penetrated on the screw sleeve, be provided with the external screw thread that acts on the screw sleeve on the splice bar, the one end of splice bar is provided with sharp portion, lay on the part that the splice bar is located the concrete enclosure rear side and collect the seat, the bottom welding of collecting the seat has the arc cassette that acts on the splice bar. The enclosure structure for the ultra-large and ultra-deep basement excavation has the advantages that the enclosure structure for the ultra-large and ultra-deep basement excavation plays a role in connecting the enclosure and the pit wall by arranging the connecting ribs, so that the enclosure stability is enhanced, the waterproof soil capacity is improved, and the connecting ribs are installed through threads, so that the installation and the subsequent disassembly are convenient; set up and collect seat, oblique collecting plate, extension board, collect the seat in time and collect the soil and water that the top dropped, the extension board can outwards extend through adjusting, enlarges the protection scope, brings better use prospect.

Description

Enclosing structure for super-large and super-deep basement excavation

Technical Field

The utility model relates to a foundation ditch enclosure technical field, in particular to envelope is used in super dark basement excavation of super large.

Background

The foundation pit is an earth pit excavated at a foundation design position according to the foundation elevation and the foundation plane size, the foundation pit enclosure refers to a retaining structure for bearing the outside water and soil pressure when the foundation pit is excavated, and the method is used for developing and utilizing underground space and constructing various underground buildings such as a multilayer basement, an underground railway, an underground commercial street and the like and has the main forms of steel sheet pile enclosure, prefabricated reinforced concrete sheet pile enclosure, mixing pile enclosure, bored pile enclosure, underground continuous wall enclosure, sprayed concrete enclosure, soil nail wall enclosure and the like; when the ultra-large and ultra-deep basement excavation is related, the requirement for the enclosure can be further improved, because the basement of the type contains much water and has larger water and soil pressure, and the soil is easy to collapse around the pit wall, the structure at the bottom of the foundation pit and the enclosure fence around the foundation pit can be impacted, and therefore the enclosure structure for the ultra-large and ultra-deep basement excavation is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides super large extra-deep basement envelope for excavation can effectively solve the problem in the background art.

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

envelope for excavation of super large ultra-deep basement, including concrete enclosure, a plurality of screw sleeve of group are installed to the inside equidistance of concrete enclosure, the last splice bar that penetrates of screw sleeve, be provided with the external screw thread that acts on screw sleeve on the splice bar, the one end of splice bar is provided with sharp portion, the splice bar is located the part of concrete enclosure rear side and has laid the collection seat, the bottom welding of collecting the seat has the arc cassette that acts on the splice bar, be provided with the shock attenuation net in collecting the inside collecting vat of seat, the fixed oblique collection board that is provided with of front side of collecting the seat, oblique collection board is placed in concrete enclosure upper end, the inside activity of oblique collection board is provided with the extension board, the fixed long rack that is provided with in bottom both sides of extension board, the meshing of long rack lower extreme is provided with adjusting gear, and is two sets of adjusting gear all installs in the pivot.

Preferably, the concrete enclosure is provided with a hole, a threaded sleeve is fixedly installed, and the diameter of the connecting rib is 4-8cm.

Preferably, the damping net is tied in the collecting tank through connecting ropes on two sides.

Preferably, the upper surface of oblique collecting plate and extension board all inclines to set up, and the soil and water of whereabouts can roll and fall to the collection inslot, the inside of oblique collecting plate is provided with the spacing draw-in groove of undercut shape that acts on the extension board.

Preferably, the rotating shaft is connected with the inner part of the inclined collecting plate by the two groups of bearings at the bottom, and a hand wheel is installed at one end part of the rotating shaft.

Compared with the prior art, the utility model discloses following beneficial effect has: the enclosing structure for the excavation of the ultra-large ultra-deep basement has the advantages that the enclosing structure plays a role in connecting the enclosure and the pit wall through the arrangement of the connecting ribs, so that the stability of the enclosure is enhanced, the capability of preventing water and soil is improved, and the connecting ribs are installed through threads, so that the installation and the subsequent disassembly are facilitated; the collecting seat is arranged, the inclined collecting plate and the extending plate are arranged, the collecting seat timely collects soil and water falling from the upper part, and the extending plate can extend outwards through adjustment, so that the protection range is expanded; the shock absorption net is arranged, so that the collection seat is unstable when water and soil fall off and impact force is carried, and the impact force is eliminated by elastic pre-interception of the shock absorption net; the whole enclosure is simple in design and convenient to operate, the using effect is better than that of a traditional mode, and the parts which are not involved in the device are the same as or can be realized by adopting the prior art.

Drawings

Fig. 1 is a schematic view of the whole structure of the enclosure structure for excavating the ultra-large and ultra-deep basement of the utility model;

FIG. 2 is an internal view of the containment structure collecting seat for the ultra-large ultra-deep basement excavation of the utility model;

fig. 3 is the utility model discloses the transmission structure chart of envelope extension board for super large ultra-deep basement excavation.

In the figure: 1. carrying out concrete enclosure; 2. a threaded sleeve; 3. connecting ribs; 4. an external thread; 5. a tip portion; 6. a collecting seat; 7. an arc-shaped clamping seat; 8. collecting tank; 9. a shock absorbing net; 10. connecting ropes; 11. an inclined collecting plate; 12. an extension plate; 13. a long rack; 14. an adjusting gear; 15. a rotating shaft; 16. a hand wheel; 17. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-2, the envelope structure for excavation of the oversized ultra-deep basement comprises a concrete envelope 1, a plurality of groups of threaded sleeves 2 are equidistantly installed in the concrete envelope 1, connecting ribs 3 penetrate through the threaded sleeves 2, external threads 4 acting on the threaded sleeves 2 are arranged on the connecting ribs 3, a tip portion 5 is arranged at one end of each connecting rib 3, a collecting seat 6 is arranged on a portion, located on the rear side of the concrete envelope 1, of each connecting rib 3, the collecting seat 6 can increase gravity above the envelope and improve stability, an arc-shaped clamping seat 7 acting on the connecting ribs 3 is welded at the bottom of the collecting seat 6, a damping net 9 is arranged in an internal collecting groove 8 of the collecting seat 6, an inclined collecting plate 11 is fixedly arranged on the front side of the collecting seat 6, the inclined collecting plate 11 is arranged on the upper end of the concrete envelope 1, an extending plate 12 is movably arranged in the inclined collecting plate 11, long racks 13 are fixedly arranged on two sides of the bottom of the extending plate 12, adjusting gears 14 are meshed with the lower ends of the long racks 13, and two groups of adjusting gears 14 are both installed on a rotating shaft 15;

a hole is formed in the concrete enclosure 1, the threaded sleeve 2 is fixedly installed, and the diameter of the connecting rib 3 is 4-8cm; the damping net 9 is tied in the collecting tank 8 through connecting ropes 10 on two sides; the upper surfaces of the inclined collecting plate 11 and the extending plate 12 are both obliquely arranged, falling water and soil can roll into the collecting groove 8, and an undercut limiting clamping groove acting on the extending plate 12 is arranged in the inclined collecting plate 11, so that the extending plate 12 can only do inclined linear motion; the rotating shaft 15 is connected with the inner bottom-leaning position of the inclined collecting plate 11 through two groups of bearings 17, and a hand wheel 16 is installed on one end part of the rotating shaft 15.

What need to explain, the utility model discloses an envelope is used in super large ultra-deep basement excavation, when using, put concrete envelope 1 around the basement foundation ditch, play the supporting role through its self gravity, punch installation threaded sleeve 2 again, twist a plurality of groups splice bar 3 again, insert in the hole wall soil layer until the point portion 5 of splice bar 3, play the fixed effect of connection, to collect 6 ends of seat and put on splice bar 3, play limiting displacement through bottom arc cassette 7, through rotating hand wheel 16, it is rotatory to drive pivot 15, thereby make extension board 12 outwards extend, enlarge the protection scope, can adjust according to actual need, and is relatively practical.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Envelope is used in super large ultra-deep basement excavation, including concrete enclosure (1), its characterized in that: a plurality of groups of threaded sleeves (2) are installed to concrete enclosure (1) inside equidistance, the splice bar (3) has penetrated on threaded sleeve (2), be provided with external screw thread (4) that act on threaded sleeve (2) on splice bar (3), the one end of splice bar (3) is provided with sharp portion (5), lay on the part that splice bar (3) are located concrete enclosure (1) rear side and collect seat (6), the bottom welding of collecting seat (6) has arc cassette (7) that act on splice bar (3), be provided with shock-absorbing net (9) in collecting the inside collecting vat (8) of seat (6), the fixed oblique collecting plate (11) that is provided with in front side of collecting seat (6), place in concrete enclosure (1) upper end to one side collecting plate (11), the inside activity of collecting plate (11) to one side is provided with extension board (12), the fixed long rack (13) that is provided with in bottom both sides of extension board (12), long rack (13) lower extreme meshing is provided with adjusting gear (14), and all install in pivot (15) two sets of adjusting gear (14).

2. The envelope for excavating the ultra-large and ultra-deep basement according to claim 1, wherein: the concrete enclosure (1) is provided with a hole, the threaded sleeve (2) is fixedly installed, and the diameter of the connecting rib (3) is 4-8cm.

3. The envelope for excavating the ultra-large and ultra-deep basement according to claim 2, wherein: the damping net (9) is tied in the collecting tank (8) through connecting ropes (10) on two sides.

4. The envelope structure for excavation of the oversized extra-deep basement according to claim 3, characterized in that: the upper surface of oblique collecting plate (11) and extension board (12) all inclines to set up, and the soil and water of whereabouts can roll and fall in collecting tank (8), the inside of oblique collecting plate (11) is provided with the spacing draw-in groove of undercut shape that acts on extension board (12).

5. The envelope structure for excavation of the oversized extra-deep basement according to claim 4, characterized in that: the rotating shaft (15) is connected with the inner part of the inclined collecting plate (11) through two groups of bearings (17) at the bottom position, and a hand wheel (16) is installed on one end part of the rotating shaft (15).