CN214993901U

CN214993901U - Deep basal pit side wall anti device that collapses

Info

Publication number: CN214993901U
Application number: CN202120846958.8U
Authority: CN
Inventors: 周卓然
Original assignee: Tianjin University
Current assignee: Tianjin University
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-03
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a device that collapses is resisted to deep basal pit side wall, including the foundation ditch body, foundation ditch body four walls all are provided with first backplate, gravel and sand has been laid to foundation ditch body bottom, gravel and sand lays in first backplate bottom, gravel and sand upper end is provided with the bottom plate, bottom plate upper end four corners all is provided with the wheel rail, all be provided with the wheel in the wheel rail upper end, two liang of a set of second backplate that all rotates and is connected with in the wheel upper end, the second backplate middle part outside all rotates and is connected with the bracing piece, the bracing piece both ends all run through first backplate and extend, the gravel and sand middle part is provided with the filter screen. The utility model discloses in, strengthened deep basal pit's protective capacities, improved deep basal pit's security, can filter the sewage in the foundation ditch simultaneously, avoid the suction pump to be blockked up by silt, lead to unable normal work, be worth wideling popularize.

Description

Deep basal pit side wall anti device that collapses

Technical Field

The utility model relates to a construction field especially relates to an anti device that collapses of deep basal pit side wall.

Background

Deep foundation pit earthwork excavation of deep foundation pit supporting engineering is carried out, when a construction site does not have a slope placing condition, the slope placing can not guarantee construction safety, when construction needs can not be met through slope placing and temporary support adding, a supporting structure is generally adopted for temporary supporting and blocking so as to guarantee stability of a foundation pit earthwork wall, and supporting modes generally applied to the existing supporting structure mainly comprise a row pile supporting mode, an underground continuous protecting wall, a cement soil pile wall and a reverse arch wall.

The supporting mode of present mainstream ubiquitous construction is loaded down with trivial details, and the protective capacities is not high, and the not enough shortcoming of nimble type, and there is hidden danger in deep basal pit supporting mode drainage ability at present, and mud blocks up drainage device very easily and causes drainage system to break down, and the drainage can not in time, influences the construction progress easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the anti device that collapses of deep basal pit side wall that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: including the foundation ditch body, the foundation ditch body four walls all is provided with first backplate, gravel and sand has been laid to foundation ditch body bottom, gravel and sand is laid in first backplate bottom, the gravel and sand upper end is provided with the bottom plate, bottom plate upper end four corners all is provided with the wheel rail, all be provided with the wheel in the wheel rail upper end, two liang of a set of first backplate that all rotates in the wheel upper end is connected with a second backplate, the second backplate middle part outside all rotates and is connected with the bracing piece, the bracing piece both ends all run through first backplate and extend, both ends all evenly are provided with the second bolt about the second backplate, the second bolt all runs through first backplate and a second backplate and extend, second bolt middle part all overlaps and is equipped with the spring.

As a further description of the above technical solution:

the utility model discloses a supporting plate, including first backplate, first backup pad, first backplate upper end all is provided with the spud pile, the spud pile all runs through first backup pad and fixes subaerial.

As a further description of the above technical solution:

and a filter screen is arranged in the middle of the gravel.

As a further description of the above technical solution:

and a water suction pump is arranged in the filter screen.

As a further description of the above technical solution:

the two ends of the wheel rail are fixedly connected with baffle plates.

As a further description of the above technical solution:

and two sides of the lower part of the inner side of the second supporting plate are fixedly connected with ejector rods through a protective base, and the number of the ejector rods is four and every two of the ejector rods are perpendicular.

As a further description of the above technical solution:

first backplate inner wall all evenly is provided with a plurality of first bolts, the bolt all runs through first backplate and extends.

As a further description of the above technical solution:

and two sides of the top end of the second supporting plate are respectively sleeved with a lasso, and the other end of each lasso is fixedly connected in the soil.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first the first backplate provides the side wall protection of the deep basal pit of basis, thereby it causes the side wall to collapse to lead to the soil property to change when environmental change, when first backplate can't support, the soil heap that collapses can promote a backplate of second, the second backplate passes through the ejector pin and promotes opposite backplate of second, the lever motion is done as the fulcrum to a backplate of second use the bracing piece, make top noose flare-out, offset the kinetic energy that the wall body collapsed, the crisis that the side wall collapsed is solved, the security of deep basal pit has been improved.

2. The utility model discloses in, sandy soil has been laid to the deep basal pit bottom, and on the one hand sandy soil soaks back weight increase, makes the first backplate of below more put up firmly, and on the other hand can filter the sewage in the foundation ditch, and the filter screen at center further filters the silt and the gravel and sand of foundation ditch water, and the rethread suction pump is taken out water from the foundation ditch, avoids the suction pump to be blockked up by silt, leads to unable normal work, is worth wideling popularize.

Drawings

Fig. 1 is a front view of an anti-collapse device for a side wall of a deep foundation pit according to the present invention;

fig. 2 is a top view of a deep foundation pit side wall collapse prevention device provided by the present invention;

fig. 3 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a foundation pit body; 2. a first support shield; 3. sand and stone; 4. a second support guard plate; 5. a support bar; 6. a wheel; 7. a wheel rail; 8. a base plate; 9. a filter screen; 10. a top rod; 11. a first bolt; 12. a second bolt; 13. a spring; 14. fixing the pile; 15. lasso; 16. a protective base; 17. a baffle plate; 18. a water pump.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a deep foundation pit side wall collapse resistance device comprises a foundation pit body 1, wherein first supporting plates 2 are arranged on four walls of the foundation pit body 1 to provide a first layer of protection for the foundation pit body 1, gravel 3 is laid at the bottom of the foundation pit body 1, the gravel 3 is laid at the bottom of the first supporting plates 2, on one hand, the bottom weight of the first supporting plates 2 is increased, the stability of the first supporting plates 2 is increased, on the other hand, sewage at the bottom of the foundation pit body 1 is filtered, a bottom plate 8 is arranged at the upper ends of the gravel 3, wheel rails 7 are arranged at four corners of the upper ends of the bottom plate 8, wheels 6 are arranged in the upper ends of the wheel rails 7 to fix the rolling direction of the wheels 6, two groups of the upper ends of the wheels 6 are rotatably connected with second supporting plates 4, supporting rods 5 are rotatably connected to the outer sides of the middle of the second supporting plates 4, both ends of the supporting rods 5 penetrate through the first supporting plates 2 and extend, on the one hand, the other hand, the supporting rods serve as fulcrums of a lever, conduct the top with below roof bar 10's power, the both ends all evenly are provided with a plurality of second bolts 12 about the second props up backplate 4, and second bolt 12 all runs through first props up backplate 2 and second and props up backplate 4 and extend to soil is inside, and the position of fixed second props up backplate 4 lets him can not remove when out of work, and second bolt 12 middle part all is equipped with spring 13.

The upper end of the first supporting plate 2 is provided with a fixing pile 14, the fixing piles 14 penetrate through the first supporting plate 2 and are fixed on the ground, the stability of the first supporting plate 2 is improved, the middle part of the gravel 3 is provided with a filter screen 9 for further filtering sewage in the foundation pit body 1, a water suction pump 18 is arranged in the filter screen 9 for pumping water in the foundation pit body 1 out of the foundation pit body 1, two ends of a wheel rail 7 are fixedly connected with baffles 17 for preventing the wheels 6 from moving, two sides of the lower part of the inner side of the second supporting plate 4 are fixedly connected with ejector rods 10 through a protective base 16, the ejector rods 10 are four and are vertical to each other in pairs, the force borne by the second supporting plate 4 on one side is transmitted to the other side, the inner wall of the first supporting plate 2 is uniformly provided with a plurality of first bolts 11, the first bolts 11 penetrate through the first supporting plate 2 and extend to fix the first supporting plate 2, the top end of the second supporting plate 4 is sleeved with a noose 15, the other end of the lasso 15 is fixedly connected in the soil, and when the side wall collapses, the lasso 15 is stretched straight, so that the basic condition of the foundation pit body 1 is maintained to be stable.

The working principle is as follows: firstly, a first support plate 2 provides side wall protection for a deep foundation pit of a foundation, when soil quality changes due to environmental changes so as to cause side wall collapse, when the first support plate 2 cannot support, a collapsed soil heap pushes a second support plate 4, the second support plate 4 pushes the opposite second support plate 4 through an ejector rod 10, the second support plate 4 makes lever motion by taking a support rod 5 as a fulcrum, a top sleeve cable 15 is straightened to offset kinetic energy of wall collapse, the danger of side wall collapse is solved, the safety of the deep foundation pit is improved, gravel 3 is laid at the bottom end of the deep foundation pit, on one hand, weight is increased after the gravel 3 is soaked in water, so that the first support plate 2 below is more firm, on the other hand, sewage in the foundation pit can be filtered, a filter screen 9 in the center further filters silt and sand in the foundation pit, water is pumped out of the foundation pit through a water pump 18, and the water pump 18 is prevented from being blocked by the sludge, the work can not be performed normally, and the device is worth popularizing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an anti device that collapses of deep basal pit side wall, includes foundation ditch body (1), its characterized in that: the foundation pit is characterized in that first supporting plates (2) are arranged on the four walls of the foundation pit body (1), gravel and sand (3) are laid at the bottom of the foundation pit body (1), the gravel and sand (3) are laid at the bottom of the first supporting plates (2), a bottom plate (8) is arranged at the upper end of the gravel and sand (3), wheel rails (7) are arranged at four corners of the upper end of the bottom plate (8), wheels (6) are arranged in the upper ends of the wheel rails (7), a group of the upper ends of the wheels (6) are rotationally connected with second supporting plates (4), supporting rods (5) are rotationally connected to the outer sides of the middle parts of the second supporting plates (4), two ends of each supporting rod (5) penetrate through the first supporting plates (2) and extend, second bolts (12) are uniformly arranged at the upper ends and the lower ends of the second supporting plates (4), and the second bolts (12) penetrate through the first supporting plates (2) and the second supporting plates (4) and extend, and springs (13) are sleeved in the middle of the second bolts (12).

2. The deep foundation pit side wall collapse prevention device according to claim 1, wherein: the upper end of the first supporting plate (2) is provided with a fixing pile (14), and the fixing pile (14) penetrates through the first supporting plate (2) and is fixed on the ground.

3. The deep foundation pit side wall collapse prevention device according to claim 1, wherein: and a filter screen (9) is arranged in the middle of the gravel (3).

4. The deep foundation pit side wall collapse prevention device according to claim 3, wherein: and a water suction pump (18) is arranged in the filter screen (9).

5. The deep foundation pit side wall collapse prevention device according to claim 1, wherein: and both ends of the wheel rail (7) are fixedly connected with baffle plates (17).

6. The deep foundation pit side wall collapse prevention device according to claim 1, wherein: two sides of the lower portion of the inner side of the second supporting and protecting plate (4) are fixedly connected with ejector rods (10) through protecting bases (16), and the number of the ejector rods (10) is four and every two of the ejector rods are perpendicular.

7. The deep foundation pit side wall collapse prevention device according to claim 1, wherein: a plurality of first bolts (11) are uniformly arranged on the inner wall of the first supporting plate (2), and the first bolts (11) penetrate through the first supporting plate (2) and extend.

8. The deep foundation pit side wall collapse prevention device according to claim 1, wherein: the two sides of the top end of the second supporting plate (4) are respectively sleeved with a noose (15), and the other end of the noose (15) is fixedly connected in soil.