CN112922008A

CN112922008A - Sinking protection device for building steel structure base

Info

Publication number: CN112922008A
Application number: CN202110355948.9A
Authority: CN
Inventors: 王金贞
Original assignee: Yiwu Xinhua Construction Engineering Co ltd
Current assignee: Yiwu Xinhua Construction Engineering Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-06-08

Abstract

The invention relates to the field of building steel structures and discloses a sinking protection device for a building steel structure base. The sinking protection device realizes control of the exhaust valve by utilizing the induction plate and the exhaust ejector rod which can monitor soil sinking, can effectively release high-pressure gas, can realize timely stretching of the support plate, can perform secondary reinforcement on the concrete base, prevents the concrete base from continuously sinking, and further delays collapse of a building steel structure.

Description

Sinking protection device for building steel structure base

Technical Field

The invention relates to the technical field of building steel structures, in particular to a sinking protection device for a building steel structure base.

Background

Compared with the traditional concrete building, the steel structure building has the advantages of high strength, good shock resistance, convenience and quickness in field installation, low building cost and high popularity of people.

The existing steel structure building needs to be installed on a reinforced concrete base when being built, the stress area of a steel frame is increased by the aid of the concrete base, the building steel structure is influenced by external vibration and natural disasters, the foundation is prone to sinking, large-scale cracks are prone to occurring in building inclination and ground, the quality of the building is seriously affected, and the house collapse accident is prone to occurring.

Disclosure of Invention

The sinking protection device for the steel structure base of the building, provided by the invention, has the advantages of monitoring foundation sinking and reinforcing protection, solves the problem that the steel structure base of the building sinks suddenly, can sense the ground sinking amplitude of a place in advance and perform secondary reinforcing treatment on the steel beam base of the building, and prevents the instant collapse accident of the building.

The invention provides the following technical scheme: the utility model provides a building steel structure base protector that sinks, includes the concrete base, concrete base lower extreme buries underground, the inside gasbag arrangement chamber that is equipped with of concrete base, the gasbag has been settled intracavity portion and has been placed the gasbag, the inside packing of gasbag has high-pressure gas, be equipped with bellows arrangement chamber in the terminal surface under the concrete base, the bellows is settled intracavity portion and is equipped with the tablet that can slide from top to bottom, tablet up end with the bellows is settled and is fixed to be equipped with the bellows between the chamber upper wall, the tablet can respond to the geology and subside when moving down, the bellows is settled the chamber upper wall with the intercommunication is equipped with the gassing channel under the gasbag arrangement chamber between the chamber lower wall, the inside gas control subassembly that is equipped with of gassing channel, in the concrete base and be located ground top position annular array and be equipped with the backup pad and deposit the chamber, the backup pad is deposited the chamber and is kept away from concrete base centre of a circle side wall with The gas distribution device is characterized in that a guide channel is arranged between the support plate and the concrete base, the wall surface of the support plate in the storage cavity is provided with a push plate capable of moving along the direction close to and away from the center of the concrete base, one side end face of the push plate is hinged to a support plate capable of extending out of the concrete base, the support plate is abutted against the ground to support the concrete base, the support plate is close to the storage cavity, a gas distribution cavity is arranged on one side of the center of the concrete base in a communicated mode, and the gas distribution cavity can supply gas.

Preferably, the gas control assembly comprises an exhaust valve fixed in the deflation channel, a gas transmission pipeline is communicated between the lower side of the air bag and the exhaust valve, a gas supply pipeline is communicated between the end face of the other side of the exhaust valve and the gas distribution cavity, and when the exhaust valve is opened, the gas in the air bag can be transmitted into the gas distribution cavity through the gas transmission pipeline and the gas supply pipeline.

Carefully, an air inlet pipeline is communicated with the outside and can be used for filling high-pressure gas into the air bag.

And the upper end surface of the induction plate is fixedly provided with an exhaust ejector rod which penetrates through the corrugated pipe accommodating cavity and extends into the air discharging channel, and the upper end of the exhaust ejector rod is abutted to the valve core at the lower end of the exhaust valve.

Carefully, bellows internal fixation is equipped with the cover and is in the monitoring spring in the exhaust ejector pin outside, the monitoring spring can realize the moving down of tablet with the extension of bellows.

Carefully, the backup pad is kept away from concrete foundation axle center one side end face is equipped with flexible chamber, flexible intracavity portion is equipped with the telescopic link that can remove, is located flexible intracavity portion telescopic link one end with the fixed protection spring that is equipped with between the flexible chamber wall extends flexible chamber outside telescopic link one end is fixed and is equipped with the direction arc, the direction arc can play the guide effect.

Carefully, when the direction arc met the barrier, because the atress of direction arc outside cambered surface decomposes, can promote the backup pad carries out offset, and then plays the guide effect.

The method is characterized in that a guide push plate capable of sliding is arranged on the inner wall surface of the guide channel, a guide spring is fixedly arranged between one side end surface of the guide push plate and the wall surface of the guide channel, and the guide push plate is abutted against the end surface of the support plate.

The invention has the following beneficial effects:

1. according to the invention, the control of the exhaust valve is realized by utilizing the induction plate and the exhaust ejector rod which can monitor the soil subsidence, so that high-pressure gas can be effectively released, the support plate can be timely stretched out, the concrete base can be secondarily reinforced, the concrete base is prevented from continuously subsiding, and the collapse of a building steel structure is further delayed.

2. According to the invention, the position deviation is carried out by utilizing the guide arc-shaped plate supporting plate, so that the interference of a barrier to the extension of the supporting plate can be reduced, and meanwhile, the guide arc-shaped plate can play a certain protection role in the extension of the supporting plate, so that the damage to personnel caused by the rapid ejection of the protection plate is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic view taken at A-A in FIG. 1;

FIG. 3 is an enlarged view of the point B in FIG. 1;

FIG. 4 is an enlarged view of FIG. 1 at C;

fig. 5 is an enlarged schematic view of fig. 2 at D.

In the figure: 11. a concrete base; 12. an air bag installation cavity; 13. an air bag; 14. an air intake duct; 15. a bellows seating chamber; 16. a bellows; 17. an air discharge passage; 18. an induction plate; 19. an exhaust ejector rod; 20. monitoring the spring; 21. an exhaust valve; 22. a gas pipeline; 23. an air supply duct; 24. a gas distribution chamber; 25. a support plate storage cavity; 26. pushing the plate; 27. a support plate; 28. a telescoping chamber; 29. a guard spring; 30. a telescopic rod; 31. a guide channel; 32. a guide arc plate; 33. a guide push plate; 34. a guide spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a sinking protection device for a steel structure base of a building comprises a concrete base 11, wherein the lower end of the concrete base 11 is buried underground, an air bag placing cavity 12 is arranged inside the concrete base 11, an air bag 13 is placed inside the air bag placing cavity 12, high-pressure gas is filled inside the air bag 13, a corrugated pipe placing cavity 15 is arranged in the lower end face of the concrete base 11, an induction plate 18 capable of sliding up and down is arranged inside the corrugated pipe placing cavity 15, a corrugated pipe 16 is fixedly arranged between the upper end face of the induction plate 18 and the upper wall face of the corrugated pipe placing cavity 15, the induction plate 18 can induce geological collapse when moving down, an air discharge channel 17 is communicated between the upper wall face of the corrugated pipe placing cavity 15 and the lower wall face of the air bag placing cavity 12, a gas control assembly is arranged inside the air discharge channel 17, a support plate placing cavity 25 is arranged in the concrete base 11 and above the ground in an annular array manner, the utility model discloses a concrete base 11, including backup pad, cavity 25, push plate 26, gas distribution chamber 24, the backup pad is deposited the cavity 25 and is kept away from a side wall of the concrete base 11 centre of a circle and communicate between the outer disc of concrete base 11 and be equipped with guide channel 31, the backup pad is deposited the cavity 25 internal face and is equipped with and can follow and be close to and keep away from the push pedal 26 that the concrete base 11 centre of a circle removed, push pedal 26 side end face articulates there is the backup pad 27 that can extend concrete base 11, backup pad 27 and ground mutual butt play the supporting role, the backup pad is deposited the cavity 25 and is close to concrete base 11 centre of a circle.

The gas control assembly comprises a gas discharge valve 21 fixed inside the gas discharge channel 17, a gas transmission pipeline 22 is communicated between the lower side of the air bag 13 and the gas discharge valve 21, a gas supply pipeline 23 is communicated between the other side end face of the gas discharge valve 21 and the gas distribution cavity 24, and when the gas discharge valve 21 is opened, gas inside the air bag 13 can be conveyed into the gas distribution cavity 24 through the gas transmission pipeline 22 and the gas supply pipeline 23.

An air inlet pipeline 14 is communicated between the air bag 13 and the outside, and the air inlet pipeline 14 can charge high-pressure air into the air bag 13.

An exhaust ejector rod 19 penetrating through the bellows installation cavity 15 and extending into the air release channel 17 is fixedly arranged on the upper end face of the induction plate 18, and the upper end of the exhaust ejector rod 19 is abutted against a valve core at the lower end of the exhaust valve 21.

A monitoring spring 20 sleeved outside the exhaust ejector rod 19 is fixedly arranged inside the corrugated pipe 16, and the monitoring spring 20 can realize downward movement of the induction plate 18 and extension of the corrugated pipe 16.

The supporting plate 27 is far away from a side end face of the axle center of the concrete base 11 and is provided with a telescopic cavity 28, a telescopic rod 30 capable of moving is arranged inside the telescopic cavity 28, a protection spring 29 is fixedly arranged between one end of the telescopic rod 30 and the wall face of the telescopic cavity 28, the telescopic rod 30 extends out of the telescopic cavity 28, one end of the telescopic rod is fixedly provided with a guide arc-shaped plate 32, and the guide arc-shaped plate 32 can play a role in guiding.

When the guiding arc-shaped plate 32 meets an obstacle, the supporting plate 27 can be pushed to shift due to the stress decomposition of the arc surface on the outer side of the guiding arc-shaped plate 32, and then the guiding function is achieved.

A slidable guide push plate 33 is arranged on the inner wall surface of the guide channel 31, a guide spring 34 is fixedly arranged between one side end surface of the guide push plate 33 and the wall surface of the guide channel 31, and the guide push plate 33 is abutted against the end surface of the support plate 27.

The working principle is as follows:

initially, the bellows 16 and the monitoring spring 20 are in a compressed state, the exhaust valve 21 is in a closed state, the air bag 13 contains high-pressure air therein, and the push plate 26 is close to the axial center side of the concrete base 11.

When soil loosening is caused by the influence of external factors on the lower side of the concrete base 11 and surrounding soil, the sensing plate 18 is pushed downwards under the action of the elastic force of the monitoring spring 20 and drives the corrugated pipe 16 to extend, at the moment, the sensing plate 18 drives the exhaust ejector rod 19 to move downwards, when the soil loosening is carried out to a certain degree on the lower side of the concrete base 11, the concrete base 11 tends to collapse downwards, at the moment, the abutting pressure between the exhaust ejector rod 19 and the exhaust valve 21 is gradually reduced, after the soil collapses, the exhaust ejector rod 19 and the exhaust valve 21 are disconnected from abutting, at the moment, the exhaust valve 21 is opened, high-pressure gas in the air bag 13 is conveyed into the gas distribution cavity 24 through the gas conveying pipeline 22 and the gas conveying pipeline 23, the gas is further filled into the support plate storage cavity 25, at the moment, the push plate 26 is pushed to move to the side far away from the axis of the concrete base 11, at the moment, the, when meeting the barrier in the outside extension in-process of backup pad 27, direction arc 32 outside cambered surface and barrier butt, and then promote telescopic link 30 to remove and compress protection spring 29 to being close to concrete foundation 11 axle center one side, and then play the cushioning effect, through utilizing leading of direction arc 32 cambered surface smooth, and then promote to drive backup pad 27 and deflect to the less one side of atress, the direction spring 34 and the direction push pedal 33 state that correspond the position this moment change, and then adjust backup pad 27, and then effectual interference of keeping away the barrier, after backup pad 27 extends concrete foundation 11, backup pad 27 carries out the butt with the ground that does not sink, and then can prevent continuing of concrete foundation 11 to sink, and then can be to base and secondary reinforcement, prevent that the building steel structure from collapsing in the twinkling of an eye.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a building steel structure base protector that sinks, includes concrete foundation (11), its characterized in that: the concrete base (11) lower extreme is buried underground, cavity (12) is settled to concrete base (11) inside being equipped with the gasbag, gasbag (13) have been placed to gasbag settlement cavity (12) inside, concrete base (11) lower terminal surface is equipped with the bellows and settles cavity (15), the bellows is settled cavity (15) inside and is equipped with gliding tablet (18) from top to bottom, tablet (18) up end with bellows are settled and are fixed between the chamber (15) upper wall face and are equipped with bellows (16), can respond to the geology when tablet (18) move down and cave, the bellows is settled and is equipped with gassing passageway (17) between chamber (15) upper wall face and the gasbag settlement cavity (12) lower wall face, the inside gas control subassembly that is equipped with of gassing passageway (17), the position annular array that just is located the ground top in concrete base (11) is equipped with the backup pad and deposits cavity (25), the utility model discloses a concrete base (11) circle center, including concrete base (11), backup pad, push plate (26), backup pad storage chamber (25) internal face, backup pad storage chamber (25) internal face are equipped with can be along being close to and keeping away from push pedal (26) that concrete base (11) circle center removed, push pedal (26) side end face articulates there is backup pad (27) that can extend concrete base (11), backup pad (27) and ground butt each other play the supporting role, the backup pad is deposited chamber (25) and is close to concrete base (11) circle center one side intercommunication is equipped with gas distribution chamber (24), gas distribution chamber (24) can to the backup pad is deposited the inside supplied gas of chamber (25).

2. The sinking prevention device for the steel structure base of the building as claimed in claim 1, wherein: the gas control assembly comprises an exhaust valve (21) fixed inside the deflation channel (17), a gas transmission pipeline (22) is communicated between the lower side of the air bag (13) and the exhaust valve (21), a gas supply pipeline (23) is communicated between the end face of the other side of the exhaust valve (21) and the gas distribution cavity (24), and when the exhaust valve (21) is opened, the gas inside the air bag (13) can be conveyed into the gas distribution cavity (24) through the gas transmission pipeline (22) and the gas supply pipeline (23).

3. The sinking prevention device for the steel structure base of the building as claimed in claim 2, wherein: an air inlet pipeline (14) is communicated between the air bag (13) and the outside, and the air inlet pipeline (14) can be used for filling high-pressure air into the air bag (13).

4. The sinking prevention device for the steel structure base of the building as claimed in claim 1, wherein: an exhaust ejector rod (19) penetrating through the corrugated pipe accommodating cavity (15) and extending into the air discharging channel (17) is fixedly arranged on the upper end face of the induction plate (18), and the upper end of the exhaust ejector rod (19) is abutted to a valve core at the lower end of the exhaust valve (21).

5. The sinking prevention device for the steel structure base of the building as claimed in claim 4, wherein: bellows (16) inside fixed be equipped with the cover in exhaust ejector pin (19) outside monitoring spring (20), monitoring spring (20) can realize the lapse of tablet (18) with the extension of bellows (16).

6. The sinking prevention device for the steel structure base of the building as claimed in claim 1, wherein: keep away from backup pad (27) concrete foundation (11) axle center side end face is equipped with flexible chamber (28), flexible chamber (28) inside is equipped with telescopic link (30) that can remove, is located flexible chamber (28) inside telescopic link (30) one end with fixed protection spring (29) that are equipped with between flexible chamber (28) the wall extend flexible chamber (28) the outside telescopic link (30) one end is fixed and is equipped with direction arc (32).

7. The sinking prevention device for the steel structure base of the building as claimed in claim 6, wherein: when the guide arc-shaped plate (32) meets an obstacle, the supporting plate (27) can be pushed to shift due to the stress decomposition of the arc surface on the outer side of the guide arc-shaped plate (32), and then the guide function is achieved.

8. The sinking prevention device for the steel structure base of the building as claimed in claim 1, wherein: the guide channel (31) inner wall face is provided with a slidable guide push plate (33), a guide spring (34) is fixedly arranged between one side end face of the guide push plate (33) and the guide channel (31) wall face, and the guide push plate (33) is abutted to the end face of the support plate (27).