CN214783959U

CN214783959U - A foundation ditch envelope for construction

Info

Publication number: CN214783959U
Application number: CN202120730437.6U
Authority: CN
Inventors: 刘阳; 陈文俊; 曹科; 陆频; 王洁
Original assignee: Shanghai Water Construction & Engineering Co ltd
Current assignee: Shanghai Water Construction & Engineering Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-19
Anticipated expiration: 2031-04-12

Abstract

The utility model belongs to the technical field of foundation pit support equipment, and particularly discloses a foundation pit support structure for building construction, which comprises a foundation pit and a support assembly arranged on the inner side wall of the foundation pit; the enclosure assembly comprises a bottom plate and two enclosure plates; the bottom plate is positioned at the bottom of the foundation pit, a plurality of pairs of supporting pieces for supporting the enclosure plates are arranged between the two enclosure plates, each supporting piece comprises a connecting column, and a positive threaded rod and a negative threaded rod are fixedly connected to two ends of each connecting column respectively; the positive threaded rod and the negative threaded rod are respectively provided with a threaded pipe in a spiral sleeve mode, an extrusion part used for fixing the apron plate is arranged on each threaded pipe, the bottom end of each threaded pipe is fixedly connected with an anti-torsion rod, the bottom end of each anti-torsion rod is fixedly connected with a sliding block, and the bottom of each sliding block is connected with the bottom plate; the utility model provides the high enclosure effect of foundation ditch, and be convenient for dismantle envelope, use comparatively in a flexible way.

Description

A foundation ditch envelope for construction

Technical Field

The utility model relates to a foundation ditch enclosure equipment technical field specifically is a foundation ditch retaining structure for construction.

Background

The foundation pit support structure mainly bears water pressure and soil pressure generated by excavation unloading of a foundation pit, transmits the pressure to the support, and is a construction temporary retaining wall structure for stabilizing the foundation pit. The method for building underground buildings such as multi-storey basements, underground railways, underground commercial streets and the like by developing and utilizing underground spaces. There are gravity type mixing pile retaining wall, underground continuous wall, pile row retaining wall, etc. The stability of the foundation pit and the safety and convenience of operation in the pit are ensured, and the displacement of the soil body at the bottom of the pit and outside the pit is controlled within a certain range, so that the normal use of adjacent buildings and municipal facilities is ensured.

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, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, and waterproof and drainage work is performed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foundation ditch envelope for construction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a foundation pit enclosure structure for building construction comprises a foundation pit and an enclosure assembly arranged on the inner side wall of the foundation pit; the enclosure assembly comprises a bottom plate and two enclosure plates; the bottom plate is positioned at the bottom of the foundation pit, a plurality of pairs of supporting pieces for supporting the enclosure plates are arranged between the two enclosure plates, each supporting piece comprises a connecting column, and a positive threaded rod and a negative threaded rod are fixedly connected to two ends of each connecting column respectively; the equal turnbuckle is equipped with the screwed pipe on positive threaded rod and the reverse threaded rod, is equipped with on the screwed pipe to be used for carrying out the extruded article fixed to the apron board, and the bottom rigid coupling of screwed pipe has the anti-torsion bar, and the bottom rigid coupling of anti-torsion bar has the slider, and the bottom plate of slider are connected.

Preferably, a plurality of pairs of the supporting members are arranged at equal intervals.

Preferably, the outer part of the connecting column is provided with rotary handles in an annular array.

Preferably, the extrusion comprises two first connecting pieces, two second connecting pieces, two supporting rods and two inserting blocks; the two first connecting pieces are symmetrically and fixedly connected to the upper end and the lower end of the threaded pipe, the two second connecting pieces are fixedly connected to one sides of the two inserting blocks respectively, and one sides of the two inserting blocks, which are far away from the second connecting pieces, are connected with the apron plate; one ends of the two supporting rods are respectively connected with the two first connecting pieces, and the other ends of the two supporting rods are respectively connected with the two second connecting pieces.

Preferably, the enclosure plate is provided with slots corresponding to the insertion blocks.

Preferably, the insert block is matched with the slot

Preferably, a guide sliding groove is formed in the position, corresponding to the sliding block, of the top of the bottom plate, and the sliding block is in sliding connection with the guide sliding groove.

Preferably, one side of the containment plate, which is far away from the supporting piece, and the bottom of the bottom plate are both provided with a plurality of anchor rods.

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

1. the utility model discloses well enclosure plate fixes on the foundation ditch inside wall through the stock, can tentatively enclose the foundation ditch; the connecting column is driven to rotate through the rotating handle, the connecting column drives the positive threaded rod and the reverse threaded rod to rotate, the threaded pipe does not rotate under the action of the torsion-proof rod, the threaded pipe can move on the threaded rod, the insert block is embedded into the slot on the apron plate, the apron plate can be extruded and supported, the stability of the apron plate is improved, and the enclosure effect of the foundation pit is improved.

2. The utility model discloses in through rotating rotatory handle, can take the inserted block out from the slot, remove the fixed to the fender panel, easy operation is convenient for dismantle envelope, uses comparatively in a flexible way, can recycle.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the enclosure assembly of the present invention;

FIG. 3 is a schematic structural view of the containment sheets of the present invention;

fig. 4 is a schematic structural diagram of the bottom plate of the present invention;

fig. 5 is a schematic structural view of the threaded pipe of the present invention.

In the figure: 1. a foundation pit; 2. a containment assembly; 21. a base plate; 22. a containment plate; 23. a support member; 230. a slot; 231. connecting columns; 232. a positive threaded rod; 233. a reverse threaded rod; 234. a threaded pipe; 235. a torsion prevention bar; 236. a slider; 237. an extrusion; 2371. a first connecting member; 2372. a second connecting member; 2373. a strut; 2374. inserting a block; 238. a rotation handle; 239. a guide chute; 24. an anchor rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a foundation pit enclosure structure for building construction comprises a foundation pit 1 and an enclosure assembly 2 arranged on the inner side wall of the foundation pit 1; the enclosure assembly 2 comprises a bottom plate 21 and two enclosure plates 22; the bottom plate 21 is positioned at the bottom of the foundation pit 1, a plurality of pairs of supporting pieces 23 for supporting the enclosure plates 22 are arranged between the two enclosure plates 22, each supporting piece 23 comprises a connecting column 231, and two ends of each connecting column 231 are fixedly connected with a positive threaded rod 232 and a negative threaded rod 233 respectively; the positive threaded rod 232 and the reverse threaded rod 233 are both spirally sleeved with threaded pipes 234, the threaded pipes 234 are provided with extrusion pieces 237 for fixing the containment plate 22, the bottom ends of the threaded pipes 234 are fixedly connected with torsion-proof rods 235, the bottom ends of the torsion-proof rods 235 are fixedly connected with sliding blocks 236, and the bottoms of the sliding blocks 236 are connected with the bottom plate 21.

Further, a plurality of pairs of the supporting members 23 are arranged at equal intervals.

Further, the connection posts 231 are externally provided with rotation handles 238 in an annular array.

Further, the pressing member 237 includes two first links 2371, two second links 2372, two struts 2373, and two blocks 2374; the two first connecting pieces 2371 are symmetrically fixedly connected to the upper end and the lower end of the threaded pipe 234, the two second connecting pieces 2372 are fixedly connected to one sides of the two inserting blocks 2374 respectively, and one sides of the two inserting blocks 2374 far away from the second connecting pieces 2372 are connected to the containment plate 22; one end of each of the two support bars 2373 is connected to each of the two first connecting members 2371, and the other end of each of the two support bars 2372 is connected to each of the two second connecting members 2372.

Further, slots 230 are formed on the guard plate 22 corresponding to the insertion blocks 2374.

Further, the plug 2374 is adapted to the slot 230

Further, a guide sliding groove 239 is formed at a position corresponding to the top of the bottom plate 21 and the sliding block 236, and the sliding block 236 is slidably connected with the guide sliding groove 239.

Furthermore, the side of the containment plate 22 away from the support 23 and the bottom of the bottom plate 21 are provided with a plurality of anchor rods 24.

The working principle is as follows: when enclosure is carried out, firstly, the enclosure plates 22 on two sides are fixed on the inner side wall of the foundation pit 1 through the anchor rods 24, the foundation pit 1 can be preliminarily enclosed, then, the bottom plate 21 is also fixed at the bottom of the foundation pit 1 through the anchor rods 24, then, the support piece 23 is arranged between the two enclosure plates 22 through the matching of the slide block 236 and the guide sliding groove 239, then, the connecting column 231 is driven to rotate through the rotating handle 238, the connecting column 231 drives the positive threaded rod 232 and the reverse threaded rod 233 to rotate, the threaded pipe 234 does not rotate under the action of the torsion preventing rod 235, further, the threaded pipe 234 can move on the positive threaded rod 232 and the reverse threaded rod 233, the inserting block 2374 is embedded into the slot 230 on the enclosure plate 22 in the moving process, the enclosure plate 22 can be extruded and supported, the stability of the enclosure plate 22 is improved, and further the enclosure effect of the foundation pit 1 is improved;

when removing enclosure effect, drive the opposite direction rotation between the spliced pole 231 orientation through rotatory handle 238, positive threaded rod 232, reverse threaded rod 233 follows spliced pole 231 and rotates, make two screwed pipe 234 be close to each other, inserted block 2374 is taken out from slot 230, remove the fixed to enclosure plate 22, later, hard take out the stock 24 on the enclosure plate 22 can, later, again with support piece 23 and bottom plate 21 separation, and take out bottom plate 21 from foundation ditch 1 in, and easy operation is convenient for dismantle envelope, and it is comparatively nimble to use, can recycle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A foundation pit support structure for building construction is characterized by comprising a foundation pit (1) and a support assembly (2) arranged on the inner side wall of the foundation pit (1); the enclosure assembly (2) comprises a bottom plate (21) and two enclosure plates (22); the base plate (21) is positioned at the bottom of the foundation pit (1), a plurality of pairs of supporting pieces (23) used for supporting the enclosure plates (22) are arranged between the two enclosure plates (22), each supporting piece (23) comprises a connecting column (231), and two ends of each connecting column (231) are fixedly connected with a positive threaded rod (232) and a negative threaded rod (233) respectively; the improved apron guard plate is characterized in that a threaded pipe (234) is spirally sleeved on the positive threaded rod (232) and the reverse threaded rod (233), an extrusion part (237) used for fixing the apron plate (22) is arranged on the threaded pipe (234), a torsion preventing rod (235) is fixedly connected to the bottom end of the threaded pipe (234), a sliding block (236) is fixedly connected to the bottom end of the torsion preventing rod (235), and the bottom of the sliding block (236) is connected with the bottom plate (21).

2. A foundation pit enclosure for use in building construction according to claim 1, wherein: a plurality of pairs of the supporting pieces (23) are arranged at equal intervals.

3. A foundation pit enclosure for use in building construction according to claim 1, wherein: the outer part of the connecting column (231) is provided with rotary handles (238) in an annular array.

4. A foundation pit enclosure for use in building construction according to claim 1, wherein: the extrusion part (237) comprises two first connecting pieces (2371), two second connecting pieces (2372), two supporting rods (2373) and two inserting blocks (2374); the two first connecting pieces (2371) are symmetrically and fixedly connected to the upper end and the lower end of the threaded pipe (234), the two second connecting pieces (2372) are fixedly connected to one sides of the two inserting blocks (2374), and one sides of the two inserting blocks (2374) far away from the second connecting pieces (2372) are connected with the apron plate (22); one end of each of the two support rods (2373) is connected with the two first connecting pieces (2371) respectively, and the other end of each of the two support rods is connected with the two second connecting pieces (2372) respectively.

5. A foundation pit enclosure for use in building construction according to claim 1, wherein: the enclosure plate (22) is provided with slots (230) at the corresponding positions of the insert blocks (2374).

6. A foundation pit enclosure for use in building construction according to claim 5, wherein: the insert block (2374) is adapted to the slot (230).

7. A foundation pit enclosure for use in building construction according to claim 1, wherein: the top of the bottom plate (21) is provided with a guide sliding groove (239) at the position corresponding to the sliding block (236), and the sliding block (236) is connected with the guide sliding groove (239) in a sliding manner.

8. A foundation pit enclosure for use in building construction according to claim 1, wherein: and a plurality of anchor rods (24) are arranged on one side of the enclosure plate (22) far away from the supporting piece (23) and the bottom of the bottom plate (21).