CN213173738U

CN213173738U - Foundation pit collapse prevention device

Info

Publication number: CN213173738U
Application number: CN202021238678.0U
Authority: CN
Inventors: 焦学家; 宋晓凯; 安晓东
Original assignee: Individual
Current assignee: Liaoning Architectural Design And Research Institute Geotechnical Engineering Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-05-11
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a foundation pit collapse prevention device, which comprises a truss, wherein the lower surface of the truss is symmetrically and fixedly connected with two third sleeves, the inner side wall of each third sleeve is fixedly connected with a second damping plate, the lower surface of each second damping plate is fixedly connected with a third spring, one end of each third spring, which is far away from the second damping plate, is fixedly connected with a first piston rod, one side of each third sleeve, which is far away from the truss, is laminated with the second sleeve, the inner side wall of each second sleeve is fixedly connected with a third damping plate, and the upper surface of each third damping plate is fixedly connected with a first spring; when using this device, through setting up a plurality of body of rod for with the gravity dispersion that this device received, alleviate the pressure of this device, the characteristic of truss bears pulling force or pressure simultaneously, the effect that can the full play material, material saving alleviates structure weight, further promotes the stability of this device, and can prolong the life of this device.

Description

Foundation pit collapse prevention device

Technical Field

The utility model relates to a technical field that collapses is prevented to the foundation ditch specifically is a device that collapses 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; in cold regions, natural cold freezing method can be adopted for excavation and the like.

The invention is disclosed in China: CN209523207U discloses a foundation pit collapse prevention support for civil engineering, which solves the problems of resource waste, low energy saving and environmental protection, poor adjustability and convenience in the process of foundation pit landfill, but has certain problems;

when the existing foundation pit collapse prevention device is used and is subjected to large pressure, the collapse prevention device cannot bear the pressure, the collapse prevention device can be crushed for a long time in the past, and therefore the foundation pit collapse prevention device cannot be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foundation ditch collapse prevention device 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 collapse prevention device comprises a truss, wherein two third sleeves are symmetrically and fixedly connected to the lower surface of the truss, a second damping plate is fixedly connected to the inner side wall of each third sleeve, a third spring is fixedly connected to the lower surface of each second damping plate, a first piston rod is fixedly connected to one end, far away from the second damping plate, of each third sleeve, a second sleeve is attached to one side, far away from the truss, of each third sleeve, a third damping plate is fixedly connected to the inner side wall of each second sleeve, a first spring is fixedly connected to the upper surface of each third damping plate, a second piston rod is fixedly connected to one end, far away from the third damping plate, of each first spring, a second spring is arranged on the inner side wall of each second sleeve, two first damping plates are symmetrically and fixedly connected to the two ends of each second spring, the bottom of one first damping plate is fixedly connected to the top of each second piston rod, the top of the other first damping plate is attached to the bottom of the first piston rod, and a shell is arranged on the upper surface of the truss.

As further preferable in the present technical solution: the inner part of the truss is symmetrically and fixedly connected with two first damping blocks, one side of the truss is fixedly connected with a clamping block, the clamping block is far away from one end of the first damping block is fixedly connected with a protective shell, and the upper surface of the protective shell is fixedly connected with the lower surface of the shell.

As further preferable in the present technical solution: the lower surface symmetry fixedly connected with two fixed blocks of truss, the lower fixed surface of fixed block is connected with the third body of rod, the lateral wall sliding connection of the third body of rod has first sleeve.

As further preferable in the present technical solution: the inside wall fixedly connected with second damping piece of first telescopic, the third body of rod is located the top of fixed block.

As further preferable in the present technical solution: the bottom of the first sleeve is fixedly connected with a first base.

As further preferable in the present technical solution: the lower surface of the second sleeve is provided with a second base, two threaded through holes are symmetrically formed in the lower surface of the second sleeve and the upper surface of the second base, and the inner side wall of each threaded through hole is in threaded connection with a bolt.

Compared with the prior art, the beneficial effects of the utility model are that: when using this device, through setting up a plurality of body of rod for with the gravity dispersion that this device received, alleviate the pressure of this device, the characteristic of truss bears pulling force or pressure simultaneously, the effect that can the full play material, material saving alleviates structure weight, further promotes the stability of this device, and can prolong the life of this device.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the second sleeve and the third sleeve of the present invention;

FIG. 3 is a schematic view of a connection structure between the second sleeve and the second base according to the present invention;

fig. 4 is a schematic view of the internal structure of the first sleeve according to the present invention.

In the figure: 1. a truss; 2. a fixed block; 3. a first sleeve; 4. a first base; 5. a second base; 6. a third sleeve; 7. a second sleeve; 8. a first damping block; 9. a clamping block; 10. a housing; 11. a protective shell; 12. a third rod body; 13. a first spring; 14. a first damping plate; 15. a first piston rod; 16. a second damping plate; 17. a threaded through hole; 18. a bolt; 19. a second damping block; 20. a second spring; 21. a third spring; 22. a second piston rod; 23. and a third damping 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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a foundation pit collapse prevention device comprises a truss 1, wherein the lower surface of the truss 1 is symmetrically and fixedly connected with two third sleeves 6, the inner side wall of each third sleeve 6 is fixedly connected with a second damping plate 16, the lower surface of each second damping plate 16 is fixedly connected with a third spring 21, one end, far away from the second damping plate 16, of each third spring 21 is fixedly connected with a first piston rod 15, one side, far away from the truss 1, of each third sleeve 6 is attached with the corresponding second sleeve 7, the inner side wall of each second sleeve 7 is fixedly connected with a third damping plate 23, the upper surface of each third damping plate 23 is fixedly connected with a first spring 13, one end, far away from the corresponding third damping plate 23, of each first spring 13 is fixedly connected with a second piston rod 22, the inner side wall of each second sleeve 7 is provided with a second spring 20, two ends of each second spring 20 are symmetrically and fixedly connected with two first damping plates 14, the bottom of one first damping plate 14 is fixedly connected to the top of the corresponding second, the top of the other first damping plate 14 is attached to the bottom of the first piston rod 15, and the upper surface of the truss 1 is provided with a housing 10.

In this embodiment, specifically: two first damping blocks 8 are symmetrically and fixedly connected to the interior of the truss 1, a clamping block 9 is fixedly connected to one side, away from the truss 1, of each first damping block 8, a protective shell 11 is fixedly connected to one end, away from the first damping block 8, of each clamping block 9, and the upper surface of each protective shell 11 is fixedly connected to the lower surface of the corresponding shell 10; through setting up protecting crust 11, play the effect of protecting truss 1, when protecting crust 11 received the gravity of casing 10, protecting crust 11 extrudees truss 1 downwards, and fixture block 9 extrudees first damping piece 8 downwards simultaneously, through the damped specific, consumes partial gravity.

In this embodiment, specifically: the lower surface of the truss 1 is symmetrically and fixedly connected with two fixed blocks 2, the lower surface of each fixed block 2 is fixedly connected with a third rod body 12, and the outer side wall of each third rod body 12 is connected with a first sleeve 3 in a sliding manner; through setting up fixed block 2 and third body of rod 12, further promote the stability to truss 1, the gravity that receives with truss 1 simultaneously disperses.

In this embodiment, specifically: the inner side wall of the first sleeve 3 is fixedly connected with a second damping block 19, and the third rod body 12 is positioned above the fixed block 2; when the third rod 12 is pressed downward by a force, and the third rod 12 is pressed to the second damping block 19, a part of the gravity is consumed by the damping characteristic, and the gravity applied to the truss 1 is further reduced.

In this embodiment, specifically: the bottom of the first sleeve 3 is fixedly connected with a first base 4; by providing a first base 4; the stability of the first sleeve 3 and of the third rod 12 on the truss 1 is improved, while the gravitational forces to which the truss 1 is subjected are dispersed.

In this embodiment, specifically: the lower surface of the second sleeve 7 is provided with a second base 5, the lower surface of the second sleeve 7 and the upper surface of the second base 5 are symmetrically provided with two threaded through holes 17, and the inner side wall of each threaded through hole 17 is in threaded connection with a bolt 18; through setting up screw thread through-hole 17, the change to second base 5 and second sleeve 7 is convenient, second base 5 and second sleeve 7 easy to assemble simultaneously.

Working principle or structural principle, when in use, when the device is used, the device bears tensile force or pressure through the characteristics of the truss 1, the function of materials can be fully played, materials are saved, the structural weight is reduced, the stability of the device is improved, meanwhile, the device is prevented from collapsing, the gravity borne by the truss 1 is dispersed by arranging a plurality of rod bodies at the bottom of the truss 1, when the truss 1 downwards extrudes the third sleeve 6, the third sleeve 6 drives the first piston rod 15 to downwards extrude the first damping plate 14, the first damping plate 14 extrudes the second spring 20, the second spring 20 extrudes the other first damping plate 14, the first damping plate 14 extrudes the second piston rod 22, the second piston rod 22 extrudes the first spring 13, the first spring 13 extrudes the third damping plate 23, through the characteristics of the damping matching and the springs, partial gravity is consumed, the stability of the device is improved, and the collapse prevention effect of the device is enhanced, while further gravity is consumed by the action of the piston rod.

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 foundation ditch collapse prevention device, includes truss (1), its characterized in that: the lower surface of the truss (1) is symmetrically and fixedly connected with two third sleeves (6), the inner side wall of each third sleeve (6) is fixedly connected with a second damping plate (16), the lower surface of each second damping plate (16) is fixedly connected with a third spring (21), one end, far away from the second damping plate (16), of each third spring (21) is fixedly connected with a first piston rod (15), one side, far away from the truss (1), of each third sleeve (6) is attached with a second sleeve (7), the inner side wall of each second sleeve (7) is fixedly connected with a third damping plate (23), the upper surface of each third damping plate (23) is fixedly connected with a first spring (13), one end, far away from the third damping plate (23), of each first spring (13) is fixedly connected with a second piston rod (22), the inner side wall of each second sleeve (7) is provided with a second spring (20), two first damping plates (14) are symmetrically and fixedly connected to two ends of the second spring (20), one of the two first damping plates (14) is fixedly connected to the top of the second piston rod (22), the other damping plate (14) is attached to the bottom of the first piston rod (15), and a shell (10) is arranged on the upper surface of the truss (1).

2. The foundation pit collapse prevention device according to claim 1, wherein: the inner part of the truss (1) is fixedly connected with two first damping blocks (8) symmetrically, the first damping blocks (8) are far away from a clamping block (9) fixedly connected to one side of the truss (1), the clamping block (9) is far away from one end of the first damping blocks (8) fixedly connected with a protective shell (11), and the upper surface of the protective shell (11) is fixedly connected to the lower surface of the shell (10).

3. The foundation pit collapse prevention device according to claim 1, wherein: two fixed blocks (2) of lower surface symmetry fixedly connected with of truss (1), the lower fixed surface of fixed block (2) is connected with the third body of rod (12), the lateral wall sliding connection of the third body of rod (12) has first sleeve (3).

4. A foundation pit collapse prevention device according to claim 3, wherein: the inside wall fixedly connected with second damping piece (19) of first sleeve (3), third body of rod (12) are located the top of fixed block (2).

5. A foundation pit collapse prevention device according to claim 3, wherein: the bottom of the first sleeve (3) is fixedly connected with a first base (4).

6. The foundation pit collapse prevention device according to claim 1, wherein: the lower surface of second sleeve (7) is provided with second base (5), the lower surface of second sleeve (7) with two screw thread through-holes (17) have been seted up to the upper surface symmetry of second base (5), the inside wall threaded connection of screw thread through-hole (17) has bolt (18).