CN211312533U

CN211312533U - Foundation pit collapse prevention protection device

Info

Publication number: CN211312533U
Application number: CN201921545818.6U
Authority: CN
Inventors: 马洪清
Original assignee: Shanghai Denhan Construction Development Co ltd
Current assignee: Shanghai Denhan Construction Development Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-08-21
Anticipated expiration: 2029-09-18

Abstract

A foundation pit collapse prevention protection device solves the problems that an existing foundation pit collapse prevention protection device is complex in installation, low in overall strength and prone to collapse after being used for a period of time, and comprises a baffle plate, wherein an upper cross beam is welded to the top of the baffle plate, side columns are welded to two sides of the baffle plate, a first threaded rod is inserted into each side column, a first rotating rod is installed at the top end of each first threaded rod, a grid is arranged at the bottom end of the baffle plate, a first spiral drill bit is welded to the bottom end of each first threaded rod, and an auxiliary reinforcing device is installed in the middle of the baffle plate; supplementary reinforcing apparatus includes well crossbeam, first recess, first pivot hole, adds stationary mast, second pivot hole, second threaded rod, second dwang and second auger bit, and the welding of well crossbeam is at the middle part of baffle, the utility model discloses novel structure thinks about ingeniously, and the installation is convenient with the dismantlement, is provided with supplementary reinforcing apparatus simultaneously, has increased the intensity of device, and better preventing sinks.

Description

Foundation pit collapse prevention protection device

Technical Field

The utility model relates to a protection device specifically is a protection device that sinks is prevented to foundation ditch.

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. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; the method can be used for excavating in cold areas by adopting a natural cold air freezing method and the like, and adopts retaining, reinforcing and protecting measures on the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of the underground structure and the surrounding environment of the foundation pit.

The existing foundation pit collapse prevention protection device has the problems of complex installation, low overall strength and easy collapse after being used for a period of time.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a protection device that sinks is prevented to foundation ditch, the effectual current protection device that sinks of foundation ditch of having solved has the installation complicacy, and the bulk strength is not high simultaneously, uses the problem that sinks easily after a period.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a baffle, an upper beam, side columns, a first threaded rod, a first rotating rod, a grid, a first spiral drill bit and an auxiliary reinforcing device, wherein the upper beam is welded at the top of the baffle, the side columns are welded at both sides of the baffle, the first threaded rod is inserted in the side columns, the first rotating rod is installed at the top end of the first threaded rod, the grid is arranged at the bottom end of the baffle, the first spiral drill bit is welded at the bottom end of the first threaded rod, and the auxiliary reinforcing device is installed in the middle of the baffle;

the auxiliary reinforcing device comprises a middle cross beam, a first groove, a first rotating shaft hole, a reinforcing column, a second rotating shaft hole, a second threaded rod, a second rotating rod and a second spiral drill bit, the middle cross beam is welded at the middle of the baffle, the middle cross beam is provided with a plurality of first grooves, the reinforcing column is installed inside the first grooves through the rotating shaft, the second threaded rod is inserted inside the reinforcing column, the second rotating rod is welded at the bottom of the second threaded rod, and the second spiral drill bit is welded at the bottom end of the second threaded rod.

Preferably, the inner part of the side column is provided with an internal thread at a position corresponding to the first threaded rod.

Preferably, a first rotating shaft hole is formed in the position, corresponding to the rotating shaft, of the middle cross beam, and a second rotating shaft hole is formed in the position, corresponding to the rotating shaft, of the reinforcing column.

Preferably, an internal thread is formed in the reinforcing column at a position corresponding to the second threaded rod.

Preferably, the first rotating rod is sleeved with a soft sleeve, and the soft sleeve is provided with anti-skid grains.

The working principle is as follows: when the utility model is installed, the baffle is placed at one side of the earthwork of the foundation pit, after the position is placed, two operators rotate two first rotating rods, the first rotating rods drive the first threaded rods to rotate, the first threaded rods rotate and are matched with the internal threads in the side columns to enable the first threaded rods to move downwards, the first auger bits arranged at the bottom ends of the first threaded rods enable the first threaded rods to conveniently enter the soil at the bottom of the foundation pit, the installation of the main body structure can be completed, after the main body is installed, the reinforcing columns are rotated to the inclined positions under the matching of the rotating shafts, the operators rotate the second rotating rods, the second rotating rods rotate to drive the second threaded rods to rotate, the second threaded rods rotate and are matched with the internal threads in the reinforcing columns, the second threaded rods extend out from the inside of the reinforcing columns, the extending second auger bits enter the soil pit, the middle parts of the baffle can be reinforced through the reinforcing columns, the second threaded rods and the middle cross beam, the integral strength is improved, and the earthwork can be better prevented from collapsing.

Has the advantages that: the utility model discloses novel structure thinks about ingeniously, and the installation is convenient with the dismantlement, is provided with supplementary reinforcing apparatus simultaneously, has increased the intensity of device, the better collapse of preventing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of a three-dimensional structure of a middle cross beam of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the reinforcing column of the present invention;

reference numbers in the figures: 1. a baffle plate; 2. an upper cross beam; 3. a side post; 4. a first threaded rod; 5. a first rotating lever; 6. a grid; 7. a first auger bit; 8. an auxiliary reinforcement device; 9. a middle cross beam; 10. a first groove; 11. a first spindle hole; 12. reinforcing columns; 13. a second spindle hole; 14. a second threaded rod; 15. a second rotating lever; 16. a second auger bit.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

The first embodiment is given by fig. 1-3, the utility model provides a foundation pit collapse prevention protection device, including baffle 1, entablature 2, side pillar 3, first threaded rod 4, first rotation pole 5, net 6, first auger bit 7 and auxiliary reinforcement device 8, the welding of the top of baffle 1 has entablature 2, the welding of both sides of baffle 1 has side pillar 3, the inside grafting of side pillar 3 has first threaded rod 4, first rotation pole 5 is installed on the top of first threaded rod 4, the bottom of baffle 1 is provided with net 6, the welding of the bottom of first threaded rod 4 has first auger bit 7, the middle part of baffle 1 is installed with auxiliary reinforcement device 8;

supplementary reinforcing apparatus 8 includes well crossbeam 9, first recess 10, first pivot hole 11, reinforcement post 12, second pivot hole 13, second threaded rod 14, second dwang 15 and second auger bit 16, well crossbeam 9 welds the middle part at baffle 1, the first recess 10 of a plurality of has been seted up on well crossbeam 9, reinforcement post 12 is installed through the pivot in the inside of first recess 10, the inside of reinforcement post 12 is pegged graft and is had second threaded rod 14, the bottom welding of second threaded rod 14 has second dwang 15, the bottom welding of second threaded rod 14 has second auger bit 16.

The internal thread is opened in the inside of side post 3 corresponding first threaded rod 4 position department, the cooperation of side post 3 and first threaded rod 4 of being convenient for is used.

The middle cross beam 9 is provided with a first rotating shaft hole 11 corresponding to the rotating shaft, and the reinforcing column 12 is provided with a second rotating shaft hole 13 corresponding to the rotating shaft, so that the reinforcing column 12 can be conveniently installed and fixed through the rotating shaft.

An internal thread is arranged in the reinforcing column 12 at the position corresponding to the second threaded rod 14, so that the reinforcing column 12 can be conveniently installed and used.

The soft sleeve is sleeved on the first rotating rod 5, and the anti-skid grains are arranged on the soft sleeve, so that the anti-skid performance of the first rotating rod 5 is improved on the basis of use comfort.

The working principle is as follows: when the utility model is installed, the baffle 1 is placed at one side of the earthwork of the foundation pit, after the position is placed, two operators rotate the two first rotating rods 5, the first rotating rods 5 drive the first threaded rods 4 to rotate, the first threaded rods 4 are rotated to be matched with the internal threads in the side columns 3, so that the first threaded rods 4 move downwards, the first auger bits 7 arranged at the bottom ends of the first threaded rods 4 enable the first threaded rods 4 to more conveniently enter the soil at the bottom of the foundation pit, the installation of the main body structure can be completed, after the main body installation is completed, the reinforcing columns 12 are rotated to an inclined position under the matching of the rotating shafts, the operators rotate the second rotating rods 15, the second rotating rods 15 are rotated to drive the second threaded rods 14 to rotate, the second threaded rods 14 are rotated to be matched with the internal threads in the reinforcing columns 12, so that the second auger bits 14 extend out from the inside of the reinforcing columns 12, and the extended second auger bits 16 enter the soil pit, the middle part of the baffle 1 can be reinforced in an auxiliary way through the reinforcing columns 12, the second threaded rods 14 and the middle cross beam 9, the overall strength is improved, and the earthwork can be prevented from collapsing better.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a foundation ditch protection device that collapses, includes baffle (1), entablature (2), side column (3), first threaded rod (4), first pivot pole (5), net (6), first auger bit (7) and supplementary reinforcing apparatus (8), its characterized in that: an upper cross beam (2) is welded at the top of the baffle (1), side columns (3) are welded on two sides of the baffle (1), a first threaded rod (4) is inserted into the side columns (3), a first rotating rod (5) is installed at the top end of the first threaded rod (4), grids (6) are arranged at the bottom end of the baffle (1), a first spiral drill bit (7) is welded at the bottom end of the first threaded rod (4), and an auxiliary reinforcing device (8) is installed in the middle of the baffle (1);

the auxiliary reinforcing device (8) comprises a middle cross beam (9), a first groove (10), a first rotating shaft hole (11), a reinforcing column (12), a second rotating shaft hole (13), a second threaded rod (14), a second rotating rod (15) and a second spiral drill bit (16), the middle cross beam (9) is welded at the middle part of the baffle (1), the middle cross beam (9) is provided with a plurality of first grooves (10), the reinforcing column (12) is installed inside the first groove (10) through a rotating shaft, the second threaded rod (14) is inserted inside the reinforcing column (12), the second rotating rod (15) is welded at the bottom of the second threaded rod (14), and the second spiral drill bit (16) is welded at the bottom end of the second threaded rod (14).

2. A foundation pit collapse prevention protection device according to claim 1, wherein the inner part of the side column (3) is provided with an internal thread at a position corresponding to the first threaded rod (4).

3. The foundation pit collapse prevention protection device as claimed in claim 1, wherein a first rotating shaft hole (11) is formed in the middle cross beam (9) at a position corresponding to the rotating shaft, and a second rotating shaft hole (13) is formed in the reinforcing column (12) at a position corresponding to the rotating shaft.

4. A pit collapse prevention protection device according to claim 1, wherein the reinforcing column (12) is internally threaded at a position corresponding to the second threaded rod (14).

5. A foundation pit collapse prevention protection device according to claim 1, wherein a soft sleeve is sleeved on the first rotating rod (5), and anti-skid lines are arranged on the soft sleeve.