CN214883710U

CN214883710U - Large-span foundation pit supporting structure

Info

Publication number: CN214883710U
Application number: CN202121346728.1U
Authority: CN
Inventors: 孙红梅; 李红立; 李晨玉; 曹攀; 阚世亮
Original assignee: Tianjin Hai Chang Technology Co ltd
Current assignee: Tianjin Hai Chang Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-26
Anticipated expiration: 2031-06-17

Abstract

The utility model belongs to the technical field of foundation pit support, and discloses a large-span foundation pit supporting structure, which comprises a first bearing column and a second bearing column, wherein the outer wall of the first bearing column is fixed with a first connecting plate, the outer wall of the second bearing column is fixed with a second connecting plate, the side wall of the first connecting plate is provided with a slot, the outer wall of the first connecting plate is provided with a second screw hole, the side wall of the second connecting plate is connected with an inserted bar matched with the slot, the utility model can rotate a fastening screw when the distance between the first bearing column and the second bearing column needs to be adjusted by matching the first connecting plate, the slot, the second connecting plate, the inserted bar and the like, then the first bearing column and the second bearing column are pulled outwards, the inserting depth of the inserted bar in the slot is changed, after the distance is changed, the fastening screw is screwed into the second screw hole and the first screw hole to carry out spacing fastening, the adjustable foundation pit is suitable for foundation pit ground adjustment of various lengths and has strong flexibility.

Description

Large-span foundation pit supporting structure

Technical Field

The utility model belongs to the technical field of the excavation supporting, concretely relates to large-span excavation supporting construction.

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, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, waterproof drainage work is performed, a slope can be placed for people who do not excavate deeply to stabilize the soil slope, the slope is determined according to relevant construction regulations, people who excavate deeper buildings and nearby buildings can use a foundation pit wall supporting method and a concrete spraying wall protecting method, and a large foundation pit even adopts methods of interlocking underground continuous walls and column type bored piles and the like to prevent the collapse of the outer side of the soil layer.

But present current excavation supporting construction has certain defect, and traditional excavation supporting construction flexibility is relatively poor, is difficult to carry out the reinforcement according to the position of foundation ditch length adjustment bearing post, and in addition, the fixed stability of traditional excavation supporting construction is relatively poor, and the pressure that the outside soil layer was applyed causes the bearing post skew easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-span underground structure to solve the traditional underground structure who proposes in the above-mentioned background art and be difficult to carry out the problem of consolidating according to foundation ditch length adjustment load post position, in addition, the fixed stability of traditional underground structure is relatively poor, so that the easy crooked problem of load post.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large-span foundation ditch supporting construction, includes first load post and second load post, the exterior wall of first load post is fixed with first connecting plate, the exterior wall of second load post is fixed with the second connecting plate, the slot has been seted up to the lateral wall of first connecting plate, and the exterior wall of first connecting plate has seted up the second screw, the lateral wall of second connecting plate is connected with the inserted bar with slot looks adaptation, first screw has been seted up to the exterior wall equidistant of inserted bar, the inside of second screw closes soon and is connected with fastening screw, fastening screw closes soon and is connected to the inside of first screw, the homonymy be connected with first gusset plate between the first load post, the homonymy be connected with the third gusset plate between the second load post.

Preferably, the outer surface wall of first gusset plate and third gusset plate all is connected with the inclined support board, the end fixing of inclined support board has the second gusset plate, first bearing post and second bearing post's outer surface wall all wears to be equipped with first stake and second and inserts the stake, first stake of inserting is located the second and inserts the top of stake.

Preferably, the first insertion piles are arranged obliquely upward, and the second insertion piles are arranged obliquely downward.

Preferably, the bottom ends of the first bearing column and the second bearing column are integrally formed with tip ends.

Preferably, the bottom ends of the side walls of the first bearing column and the second bearing column are connected with mounting plates, and mounting holes are formed in the upper walls of the mounting plates.

Preferably, the first bearing column and the second bearing column have the same specification, and the first connecting plate and the second connecting plate have the same specification.

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

(1) the utility model discloses a cooperation such as first connecting plate, slot, second connecting plate, inserted bar, when the interval of the first load post of needs adjustment and second load post, fastening screw can rotate down, then draw first load post and second load post outward, change inserting of inserted bar in the slot establish the degree of depth, after changing the interval, again with fastening screw precession second screw and first screw in carry on spacing fastening can, be applicable to multiple length foundation ditch ground and adjust, the flexibility is strong.

(2) The utility model discloses an add bearing diagonal board and second gusset plate, can effectively improve the holistic stability of supporting construction, avoid taking place to sink, secondly, in first stake and the second stake of inserting through addding the tilt up and down inject the foundation ditch inner wall, can further improve the stability of first load post and the laminating foundation ditch inner wall of second load post, avoid taking place crooked.

Drawings

Fig. 1 is a front view of the present invention;

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

fig. 3 is a front view of a second connecting plate of the present invention;

fig. 4 is a side view of a first connecting plate of the present invention;

in the figure: 1. a first bearing column; 2. a tip; 3. a first connecting plate; 4. a second connecting plate; 5. fastening screws; 6. inserting a rod; 7. a first screw hole; 8. a first pile inserting; 9. second pile inserting; 10. a second screw hole; 11. a first reinforcing plate; 12. an inclined support plate; 13. a second reinforcing plate; 14. mounting holes; 15. a slot; 16. mounting a plate; 17. a second bearing column; 18. and a third reinforcing plate.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: a large-span foundation pit supporting structure comprises a first bearing column 1 and a second bearing column 17, wherein a first connecting plate 3 is fixed on the outer wall of the first bearing column 1, a second connecting plate 4 is fixed on the outer wall of the second bearing column 17, a slot 15 is formed in the side wall of the first connecting plate 3, a second screw hole 10 is formed in the outer wall of the first connecting plate 3, an inserting rod 6 matched with the slot 15 is connected to the side wall of the second connecting plate 4, a first screw hole 7 is formed in the outer wall of the inserting rod 6 at equal intervals, a fastening screw 5 is screwed in the second screw hole 10, the fastening screw 5 is screwed in the first screw hole 7, when the interval between the first bearing column 1 and the second bearing column 17 needs to be adjusted, the fastening screw 5 can be screwed down, then the first bearing column 1 and the second bearing column 17 are pulled outwards, the inserting depth of the inserting rod 6 in the slot 15 is changed, after the interval is changed, and the fastening screws 5 are screwed into the second screw holes 10 and the first screw holes 7 to carry out limiting and fastening, so that the adjustable foundation pit is suitable for foundation pits with various lengths and has strong flexibility, a first reinforcing plate 11 is connected between the first bearing columns 1 on the same side, and a third reinforcing plate 18 is connected between the second bearing columns 17 on the same side.

Further, the outer surface wall of first gusset plate 11 and third gusset plate 18 all is connected with inclined support plate 12, the end fixing of inclined support plate 12 has second gusset plate 13, add inclined support plate 12 and second gusset plate 13, can effectively improve the holistic stability of supporting structure, avoid taking place to sink, first bearing post 1 and second bearing post 17's outer surface wall all wears to be equipped with first stake 8 and the second of inserting and inserts stake 9, first stake 8 that inserts is located the top of second stake 9, first stake 8 slope upwards sets up, stake 9 slope downwards sets up is inserted to the second, utilize two-way first stake 8 and the second of inserting to establish to insert stake 9, can further improve the stability of first bearing post 1 and the laminating foundation ditch inner wall of second bearing post 17, avoid taking place crooked.

Furthermore, the bottom ends of the first bearing column 1 and the second bearing column 17 are integrally formed with a tip end 2, and the tip end 2 is convenient for the bottom ends of the first bearing column 1 and the second bearing column 17 to be inserted into the bottom of the foundation pit.

Further, the bottom ends of the side walls of the first bearing column 1 and the second bearing column 17 are connected with a mounting plate 16, a mounting hole 14 is formed in the upper wall of the mounting plate 16, and the bottom ends of the first bearing column 1 and the second bearing column 17 can be fixed inside the foundation pit by using the mounting plate 16 provided with the mounting hole 14, so that the foundation pit is stable and reliable.

Furthermore, the first bearing column 1 and the second bearing column 17 have the same specification, the first connecting plate 3 and the second connecting plate 4 have the same specification, and the first bearing column 1 and the second bearing column 17 are respectively provided with two parts and are supported by clinging to the inner wall of the foundation pit.

The utility model discloses a theory of operation and use flow: when the utility model is used, the tip 2 at the bottom of the first bearing column 1 and the second bearing column 17 can be inserted into the inner bottom of the foundation pit, then the mounting plate 16 with the mounting hole 14 is utilized to fix the bottom of the first bearing column 1 and the second bearing column 17, then the first inserting pile 8 and the second inserting pile 9 which incline up and down are inserted into the inner wall of the foundation pit, the first bearing column 1 and the second bearing column 17 can be effectively prevented from being inclined, secondly, the inclined support plate 12 and the second reinforcing plate 13 are additionally arranged, the integral stability of the supporting structure can be effectively improved, the collapse can be avoided, in addition, when the distance between the first bearing column 1 and the second bearing column 17 needs to be adjusted, the fastening screw 5 can be screwed down, then the first bearing column 1 and the second bearing column 17 are pulled outwards, the inserting depth of the inserting rod 6 in the slot 15 is changed, after the distance is changed, the fastening screw 5 is screwed into the second screw hole 10 and the first screw hole 7 for limiting and fastening, the adjustable foundation pit is suitable for foundation pit ground adjustment of various lengths and has strong flexibility.

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. The utility model provides a large-span excavation supporting construction which characterized in that: comprises a first bearing column (1) and a second bearing column (17), a first connecting plate (3) is fixed on the outer surface wall of the first bearing column (1), a second connecting plate (4) is fixed on the outer surface wall of the second bearing column (17), a slot (15) is arranged on the side wall of the first connecting plate (3), a second screw hole (10) is arranged on the outer wall of the first connecting plate (3), the side wall of the second connecting plate (4) is connected with an inserted bar (6) matched with the slot (15), the outer surface wall of the inserted bar (6) is provided with first screw holes (7) at equal intervals, the inner part of the second screw hole (10) is screwed and connected with a fastening screw (5), the fastening screws (5) are screwed and connected to the inside of the first screw holes (7), first reinforcing plates (11) are connected between the first bearing columns (1) on the same side, and third reinforcing plates (18) are connected between the second bearing columns (17) on the same side.

2. The large-span foundation pit supporting structure of claim 1, wherein: the exterior wall of first gusset plate (11) and third gusset plate (18) all is connected with bearing diagonal board (12), the end fixing of bearing diagonal board (12) has second gusset plate (13), first stake (8) and second stake (9) are inserted all to wear to be equipped with to the exterior wall of first load post (1) and second load post (17), first stake (8) of inserting is located the top that stake (9) were inserted to the second.

3. The large-span foundation pit supporting structure of claim 2, wherein: the first insertion piles (8) are obliquely arranged upwards, and the second insertion piles (9) are obliquely arranged downwards.

4. The large-span foundation pit supporting structure of claim 1, wherein: the bottom ends of the first bearing column (1) and the second bearing column (17) are integrally formed with tip ends (2).

5. The large-span foundation pit supporting structure of claim 1, wherein: the bottom ends of the side walls of the first bearing column (1) and the second bearing column (17) are connected with a mounting plate (16), and a mounting hole (14) is formed in the upper wall of the mounting plate (16).

6. The large-span foundation pit supporting structure of claim 1, wherein: the first bearing column (1) and the second bearing column (17) are identical in specification, and the first connecting plate (3) and the second connecting plate (4) are identical in specification.