CN219343237U

CN219343237U - Quicksand soil foundation pit excavation supporting structure

Info

Publication number: CN219343237U
Application number: CN202320840454.4U
Authority: CN
Inventors: 方成成; 谢站站; 武庭; 冯雷超
Original assignee: Bozhou Construction Co ltd
Current assignee: Bozhou Construction Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-14
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of foundation pit support, in particular to a foundation pit excavation supporting structure of quicksand soil, which comprises a foundation pit body, wherein a supporting mechanism is arranged in the foundation pit body, a fixing assembly is arranged outside the foundation pit body, the supporting mechanism comprises four protection plates which are tightly attached to the foundation pit body, fixing rods are fixedly arranged inside the protection plates, sliding seats are sleeved outside the fixing rods, a substrate is fixedly connected to one side, opposite to the two sliding seats, of the two protection plates, and the substrate comprises a first fixing plate. This quicksand soil matter foundation ditch excavation supporting construction through setting up supporting mechanism, reduces the quicksand and gets into inside the foundation ditch, and the person of facilitating the use has improved the stability of foundation ditch to supporting construction's installation, has solved the big foundation ditch inner space of row's pile intensity and has used in a flexible way, has certain gap between the pile foundation, and the quicksand gets into inside the foundation ditch from the gap, has influenced the protection effect to the quicksand, causes the problem of influence for the excavation of foundation ditch.

Description

Quicksand soil foundation pit excavation supporting structure

Technical Field

The utility model relates to the technical field of foundation pit support, in particular to a quicksand soil foundation pit excavation support structure.

Background

The foundation pit is a soil pit excavated according to the substrate elevation and the foundation plane size at the foundation design position, the excavation scheme is determined according to geological hydrologic data before excavation and by combining the conditions of buildings nearby the site, waterproof drainage work is carried out, a method of discharging a side slope can be used for the person with the non-deep excavation, the soil slope is stable, the gradient of the soil slope is determined according to relevant construction regulations, the person with the deep excavation and the vicinity of the building can be protected by a foundation pit wall supporting method, a concrete spraying protection wall method, a large foundation pit even adopts a method of interlocking underground continuous walls and column type bored piles and the like, and the soil layer outside the foundation pit is protected from collapse; the underground water level can be reduced by using a well point method without influencing the nearby buildings, and slope-releasing open cut is adopted; natural cold air freezing method can be adopted for excavation in cold areas, etc.

At present, in order to excavate a foundation pit in quicksand soil, a foundation pit supporting structure is generally adopted to reduce the influence of quicksand, and the common foundation pit supporting structure comprises a pile row and a Lasen rigid sheet pile.

However, the large foundation pit inner space of pile row intensity is flexible to use, certain gaps exist between pile foundations, and the quicksand enters the foundation pit from the gaps, so that the protection effect on the quicksand is influenced, and the excavation of the foundation pit is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the quicksand soil foundation pit excavation supporting structure which has the advantages of convenient installation, good protection effect and the like, and solves the problems that the use of the inner space of the foundation pit with high pile discharging strength is flexible, a certain gap exists between pile foundations, quicksand enters the inside of the foundation pit from the gap, the protection effect on the quicksand is influenced and the excavation of the foundation pit is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the foundation pit excavation supporting structure comprises a foundation pit body, wherein a supporting mechanism is arranged in the foundation pit body, and a fixing assembly is arranged outside the foundation pit body;

the supporting mechanism comprises four protection plates tightly attached to a foundation pit body, fixing rods are fixedly arranged in the protection plates, sliding seats are sleeved on the outer portions of the fixing rods, two base plates are fixedly connected to one sides of the sliding seats opposite to each other, each base plate comprises a first fixing plate, connecting plates are fixedly connected to the left sides of the first fixing plates, second fixing plates are sleeved on the outer portions of the connecting plates, clamping blocks located in the second fixing plates are fixedly connected to the left sides of the connecting plates, sliding blocks connected with the second fixing plates in a sliding mode are fixedly connected to the tops and the bottoms of the clamping blocks, reinforcing blocks with two numbers are fixedly connected to the tops of the second fixing plates, and adjusting screws connected with the first fixing blocks in a threaded mode are connected to the inner threads of the reinforcing blocks.

Optionally, the top and the bottom of second fixed plate have all seted up the spout, the slider passes through spout and second fixed plate sliding connection.

Through adopting above-mentioned technical scheme, increased the practicality, can the foundation ditch of multiple size of practicality use.

Optionally, a through hole is formed in the sliding seat, and the sliding seat is sleeved with the fixing rod through the through hole.

Through adopting above-mentioned technical scheme, the installation of facilitate the user improves the efficiency of installation.

Optionally, two opposite sides of the protection plate are provided with mounting grooves, and the fixing rod is fixedly connected with the protection plate through the mounting grooves.

By adopting the technical scheme, the installation efficiency is improved, and the working strength of constructors is reduced.

Optionally, the thickness of the protection plate is five centimeters, and four protection plates are symmetrically distributed.

By adopting the technical scheme, the stability of convection sand protection is improved, and the service life is prolonged.

Optionally, the thickness of the first fixing plate and the second fixing plate is four centimeters, and the size of the first fixing plate is larger than that of the second fixing plate.

Through adopting above-mentioned technical scheme, improve the protection to the quicksand, increase the stability of foundation ditch.

Optionally, the fixed subassembly includes the mounting panel with guard plate fixed connection, the inside threaded connection of mounting panel has the screw thread drilling rod of quantity for three.

By adopting the technical scheme, the stability is increased, and the stability of the quicksand protection is enhanced.

Further, a threaded hole is formed in the mounting plate, and the threaded drill rod is in threaded connection with the mounting plate through the threaded hole.

Through adopting above-mentioned technical scheme, make things convenient for constructor's installation, improve supporting construction's stability and protection effect.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this quicksand soil matter foundation ditch excavation supporting construction through setting up supporting mechanism, reduces the quicksand and gets into inside the foundation ditch, and the person of facilitating the use has improved the stability of foundation ditch to supporting construction's installation, has solved the big foundation ditch inner space of row's pile intensity and has used in a flexible way, has certain gap between the pile foundation, and the quicksand gets into inside the foundation ditch from the gap, has influenced the protection effect to the quicksand, the problem that causes the influence for the foundation ditch.

2. This quicksand soil matter foundation ditch excavation supporting construction through setting up fixed subassembly, and the person of facilitating the use installs fixedly, has improved supporting construction's stability.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

fig. 2 is a top view of the structure of the present utility model.

In the figure: 1. a foundation pit body; 2. a protection plate; 201. a mounting groove; 3. a fixed rod; 4. a sliding seat; 401. perforating; 5. a substrate; 501. a first fixing plate; 502. a connecting plate; 503. a second fixing plate; 504. a clamping block; 505. a slide block; 506. a chute; 507. a reinforcing block; 508. adjusting a screw; 6. a mounting plate; 601. a threaded hole; 7. a threaded drill rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the foundation pit excavation supporting structure of quicksand soil in this embodiment includes a foundation pit body 1, a supporting mechanism is disposed inside the foundation pit body 1, and a fixing assembly is disposed outside the foundation pit body 1.

In this embodiment, the supporting mechanism includes the guard plate 2 that is closely laminated and quantity is four with foundation ditch body 1, and the thickness of guard plate 2 is five centimetres, and four guard plates 2 are symmetric distribution, and through rust-resistant treatment. The compressive strength of the protection plate 2 is increased, and the corrosion of rainwater to the protection plate 2 is reduced. The inside fixed mounting of guard plate 2 has dead lever 3, and mounting groove 201 has all been seted up to two guard plate 2 opposite sides, and dead lever 3 passes through mounting groove 201 and guard plate 2 fixed connection. Make things convenient for dismouting of base plate 5, improve constructor's efficiency of construction. The outside of dead lever 3 has cup jointed sliding seat 4, and perforation 401 has been seted up to sliding seat 4's inside, and sliding seat 4 cup joints with dead lever 3 through perforation 401. Make things convenient for the installation of base plate 5, reduce the inside that the quicksand got into foundation ditch body 1 through base plate 5.

Wherein, the opposite side of the two sliding seats 4 is fixedly connected with a base plate 5, the thickness of the first fixing plate 501 and the second fixing plate 503 is four centimeters, and the size of the first fixing plate 501 is larger than that of the second fixing plate 503. The service lives and the strength of the first fixing plate 501 and the second fixing plate 503 are prolonged, the fixing plate can be used for multiple times, and the cost is saved.

Specifically, the base plate 5 includes first fixed plate 501, the left side fixedly connected with connecting plate 502 of first fixed plate 501, the outside of connecting plate 502 has cup jointed second fixed plate 503, the left side fixedly connected with of connecting plate 502 is located the inside fixture block 504 of second fixed plate 503, the equal fixedly connected with in top and bottom of fixture block 504 and the slider 505 of second fixed plate 503 sliding connection, the top fixedly connected with of second fixed plate 503 is two reinforcing blocks 507, the inside threaded connection of reinforcing blocks 507 has the adjusting screw 508 with first fixed plate 501 threaded connection. The spout 506 has all been seted up to the top and the bottom of second fixed plate 503, and slider 505 passes through spout 506 and second fixed plate 503 sliding connection, carries out spacingly to fixture block 504, makes things convenient for the slip of fixture block 504, adjusts the size of base plate 5, strengthens base plate 5 through adjusting screw 508 with boss 507 and first fixed plate 501 threaded connection, also makes things convenient for simultaneously to the regulation of base plate 5.

It is to be noted that, this quicksand soil matter foundation ditch excavation supporting construction through setting up supporting mechanism, reduces the quicksand and gets into inside the foundation ditch, and the person of facilitating the use is to supporting construction's installation, has improved the stability of foundation ditch, has solved the big foundation ditch inner space of row's pile intensity and has used in a flexible way, has certain gap between the pile foundation, and the quicksand gets into inside the foundation ditch from the gap, has influenced the protection effect to the quicksand, causes the problem of influence for the excavation of foundation ditch.

In this embodiment, the fixing assembly includes a mounting plate 6 fixedly connected to the protection plate 2, and three threaded drill rods 7 are screwed into the mounting plate 6. The inside of mounting panel 6 has offered screw hole 601, and threaded drill rod 7 passes through screw hole 601 and mounting panel 6 threaded connection. Is connected with the foundation through the screw drill rod 7, fixes mounting panel 6 and guard plate 2, increases stability, reduces the quicksand and gets into inside the foundation ditch body 1.

It is to be noted that, this quicksand soil matter foundation ditch excavation supporting construction, through setting up fixed subassembly, the person of facilitating the use installs fixedly, has improved supporting construction's stability.

The working principle of the embodiment is as follows:

this quicksand soil matter foundation ditch excavation supporting construction, when needs are to be strutted quicksand soil matter foundation ditch, closely laminate guard plate 2 and foundation ditch body 1 inner wall, carry out threaded connection through the inside screw thread drilling rod 7 of mounting panel 6 and ground, fix mounting panel 6 and guard plate 2, then cup joint through sliding seat 4 and dead lever 3, place base plate 5 with four guard plate 2 relative one side, and gliding base plate 5, make base plate 5 and foundation ditch body 1 bottom closely laminate, consolidate guard plate 2, thereby reach the user of facilitating the use to supporting construction's installation, reduce the quicksand influence, increase foundation ditch stability's purpose.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a quicksand soil matter foundation ditch excavation supporting construction, includes foundation ditch body (1), its characterized in that: the foundation pit comprises a foundation pit body (1), wherein a supporting mechanism is arranged in the foundation pit body (1), and a fixing assembly is arranged outside the foundation pit body (1); the supporting mechanism comprises protection plates (2) which are tightly attached to a foundation pit body (1) and are four in number, fixing rods (3) are fixedly installed inside the protection plates (2), sliding seats (4) are sleeved outside the fixing rods (3), base plates (5) are fixedly connected to one sides, opposite to the sliding seats (4), of the base plates (5), the base plates (5) comprise first fixing plates (501), connecting plates (502) are fixedly connected to the left sides of the first fixing plates (501), second fixing plates (503) are sleeved outside the connecting plates (502), clamping blocks (504) located inside the second fixing plates (503) are fixedly connected to the left sides of the connecting plates (502), sliding blocks (505) which are fixedly connected to the tops and the bottoms of the clamping blocks (504) are slidably connected to the second fixing plates (503), reinforcing blocks (507) are fixedly connected to the tops of the second fixing plates (503), and adjusting screws (508) which are in threaded connection with the first fixing plates (501) are screwed.

2. The quicksand soil foundation pit excavation supporting structure of claim 1, wherein: the top and the bottom of the second fixing plate (503) are both provided with sliding grooves (506), and the sliding blocks (505) are in sliding connection with the second fixing plate (503) through the sliding grooves (506).

3. The quicksand soil foundation pit excavation supporting structure of claim 1, wherein: the inside of the sliding seat (4) is provided with a perforation (401), and the sliding seat (4) is sleeved with the fixed rod (3) through the perforation (401).

4. The quicksand soil foundation pit excavation supporting structure of claim 1, wherein: the two opposite sides of the protection plates (2) are provided with mounting grooves (201), and the fixing rods (3) are fixedly connected with the protection plates (2) through the mounting grooves (201).

5. The quicksand soil foundation pit excavation supporting structure of claim 1, wherein: the thickness of the protection plates (2) is five centimeters, and four protection plates (2) are symmetrically distributed.

6. The quicksand soil foundation pit excavation supporting structure of claim 1, wherein: the thickness of the first fixing plate (501) and the second fixing plate (503) is four centimeters, and the size of the first fixing plate (501) is larger than that of the second fixing plate (503).

7. The quicksand soil foundation pit excavation supporting structure of claim 1, wherein: the fixing assembly comprises a mounting plate (6) fixedly connected with the protection plate (2), and three threaded drill rods (7) are connected with the mounting plate (6) through internal threads.

8. The quicksand soil foundation pit excavation supporting structure of claim 7, wherein: threaded holes (601) are formed in the mounting plate (6), and the threaded drill rods (7) are in threaded connection with the mounting plate (6) through the threaded holes (601).