CN221167856U - Foundation pit supporting structure for hydraulic engineering - Google Patents

Abstract

The utility model discloses a foundation pit supporting structure for hydraulic engineering, which belongs to the technical field of hydraulic engineering and comprises a supporting bottom plate, wherein a supporting side plate is fixedly connected to the top of the supporting bottom plate, rotating rods are respectively and rotatably connected to the two sides of the top of the supporting side plate, anchor rods are fixedly connected to the bottom of the rotating rods, a vacuum pump is fixedly connected to the top of the supporting side plate, an air pipe is fixedly connected to the bottom of the vacuum pump, a water tank is fixedly connected to the other end of the air pipe, one side of the water tank is penetrated by a plurality of water pumping pipes which are equidistantly distributed, the water pumping pipes are fixedly connected to one side of the supporting side plate, a plurality of air exchanging pipes are fixedly connected to the top of the other side of the water tank at equal intervals, and an air box is fixedly connected to the other side of the air exchanging pipes. The device can suck ponding in the foundation ditch lateral wall, avoids the foundation ditch lateral wall to bear great side pressure, leads to the foundation ditch lateral wall to collapse. The problem that current foundation ditch supporting construction can't drain to the foundation ditch lateral wall is solved.

Description

Foundation pit supporting structure for hydraulic engineering

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a foundation pit supporting structure for hydraulic engineering.

Background

The hydraulic engineering is a built engineering for controlling and preparing surface water and underground water in the nature to achieve the aim of removing harm and benefiting, and is also called as a water engineering; water is an indispensable precious resource for human production and life, but the naturally occurring state does not completely meet the needs of human beings, and only the hydraulic engineering is built, so that the water flow can be controlled, flood disasters can be prevented, and the water quantity can be regulated and distributed to meet the needs of people's life and production on the water resource. Hydraulic engineering needs to build different types of hydraulic structures such as dams, dykes, spillways, sluice gates, water inlets, channels, cross channels, raft channels, fishways and the like so as to realize target work, wherein municipal hydraulic engineering can be involved in urban construction, foundation pits are often required to be excavated in the early stage of engineering construction, and foundation pit support is a supporting, reinforcing and protecting measure adopted for the side walls of the foundation pit and the surrounding environment of the foundation pit in order to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

The existing foundation pit supporting structure for hydraulic engineering is in the use process, but most foundation pit supporting devices are arranged on the surface of a side slope, when collapse occurs, the supporting devices are impacted at first, the existing foundation pit supporting devices are attached to a slope or supported by using a whetspost only by means of self gravity, the protection capability is weak, if the supporting devices cannot be reinforced again, the foundation pit is easy to collapse, gradient angles of two sides of the foundation pit are inclined, and the inclination angles of the two sides are inconsistent, so that inconvenience is brought to supporting work of foundation pit supporting personnel.

In order to solve the problems, china patent discloses a foundation pit supporting structure (bulletin number: CN 211873017U) for municipal water conservancy projects, wherein the length of a supporting rod is adjusted by adjusting the length of a fixing bolt, and connecting blocks a and b are adjusted to enable the supporting rod to be attached to a side slope of a foundation pit, so that the side slope of the foundation pit is protected, and the foundation pit is effectively protected through the combination of a slope protection component and a supporting component.

To above-mentioned problem, current patent has given the solution, but current foundation ditch degree of depth is high, cuts off soil body aquifer easily, and groundwater can constantly infiltrate the foundation ditch, causes the drift sand, the side slope is unstable or makes the foundation bearing capacity decline, generally takes out ponding in the aqua storage tank through the drain pump and accomplishes the foundation ditch drainage, and current foundation ditch supporting construction is general all to the foundation ditch bottom drainage, lacks the drainage function to the foundation ditch lateral wall, and when the groundwater level was higher than the foundation ditch bottom surface, the foundation ditch lateral wall also bears great lateral pressure, causes the foundation ditch lateral wall to collapse easily.

Disclosure of Invention

The utility model aims to provide a foundation pit supporting structure for hydraulic engineering, which can solve the problems that the existing foundation pit supporting structure cannot drain water to the side wall of a foundation pit and the side wall of the foundation pit is easy to bear larger lateral pressure, so that the side wall of the foundation pit collapses.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a foundation ditch supporting structure for hydraulic engineering, includes the supporting baseplate, the top fixedly connected with supporting curb plate of supporting baseplate, the top both sides of supporting curb plate rotate respectively and are connected with the bull stick, the bottom fixedly connected with stock of bull stick, the top fixedly connected with vacuum pump of supporting curb plate, the bottom fixedly connected with trachea of vacuum pump, tracheal other end fixedly connected with water tank, one side of water tank is run through by the drinking-water pipe that a plurality of equidistance was arranged, drinking-water pipe fixedly connected with is in one side of supporting curb plate, the opposite side top equidistance fixedly connected with of water tank a plurality of ventilation pipes, the opposite side fixedly connected with gas tank of ventilation pipe, gas tank, water tank, trachea all fixedly connected with are at the inner chamber of supporting curb plate, the inner chamber sliding connection of gas tank has the baffle, one side fixedly connected with push pedal of baffle, one side fixedly connected with reset spring of baffle, the opposite side fixedly connected with water tank's inner wall one side, the other end sliding seal connection of push pedal has the opposite side of a plurality of outlet pipe, the outlet pipe that distributes is fixedly connected with water tank, the outlet pipe of the opposite side of extension hole is strutted.

Preferably, a limit plate is fixedly connected to one side of the push plate, a magnet is fixedly connected to an inner cavity of one side, away from the air box, of the water outlet pipe, and the limit plate is made of magnetic conductive materials.

Preferably, the top both sides of supporting the bottom plate are fixedly connected with bracing piece respectively, the opposite side fixedly connected with of bracing piece supports the curb plate, two the bracing piece all inclines to set up.

Preferably, one side of the water pumping pipe is airtight, a steel pipe is fixedly connected to the inner cavity of the water pumping pipe, a gap between the steel pipe and the bottom of the inner cavity of the water pumping pipe is a water channel, a thread-shaped groove is formed in the outer surface of the steel pipe, a plurality of water pumping ports distributed at equal intervals are formed in the top of the circumference of the water pumping pipe, the bottom of the water pumping port is a thread-shaped groove, and the water channel is communicated with the water pumping ports through the thread-shaped groove.

Preferably, a plurality of fixed rings are fixedly connected to one side of the support side plate, the water pumping pipe is placed in the inner ring of the fixed ring, a bolt is tightly propped against the outer side wall of the upper end of the water pumping pipe, and the upper end of the bolt penetrates through the fixed ring and extends to the outer part of the fixed ring.

Preferably, the return spring enables the push plate to connect the part without the hole with the water outlet pipe in a normal state.

Preferably, the rotating rod and the inner cavity of the supporting side plate rotate through threads.

Preferably, the vacuum pump is detachable from the top of the support side plate, and the air pipe is sealed in a normal state.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the application, the vacuum pump is closed after negative pressure is generated in the water tank by arranging the vacuum pump to suck the water tank and the air tank, the water tank absorbs the water in the side wall of the foundation pit through the suction pipe, so that the pressure in the air tank is continuously increased, the partition plate is pushed to slide downwards, the partition plate drives the push plate to slide downwards along the inner cavity of the water outlet pipe until the holes formed in the partition plate enter the water outlet pipe, the water tank is drained, and after the water draining is finished, the partition plate is driven to move upwards to block the water outlet pipe, in the process, the water tank is sucked through the vacuum pump, so that the water in soil flows into the water tank under the negative pressure, the pressure of the soil on the supporting side plate is reduced, and the side wall of the foundation pit is not easy to collapse

2. According to the application, the steel pipe is arranged in the water pumping pipe, the threaded groove is formed in the outer surface of the steel pipe, the water pumping port is formed in the top of the groove, and one side of the water pumping pipe is sealed, so that the water tank and the air tank can keep negative pressure in the water pumping process, the water pumping work on the side part of the foundation pit is completed, external air is prevented from entering the water tank, and the water pumping efficiency is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is a cross-sectional view of a support side plate of the present utility model;

FIG. 3 is a cross-sectional view of the gas box of the present utility model;

FIG. 4 is a cross-sectional view of a water pumping tube according to the present utility model;

fig. 5 is a structural view of the fixing ring of the present utility model.

Reference numerals illustrate:

1. Supporting the bottom plate; 2. supporting the side plates; 3. a support rod; 4. a rotating rod; 5. a vacuum pump; 6. a water pumping pipe; 61. a water pumping port; 7. a bolt; 8. a fixing ring; 9. a bolt; 10. a water tank; 11. an air exchanging pipe; 12. an air box; 121. a partition plate; 122. a return spring; 13. a push plate; 131. a hole; 14. a water outlet pipe; 15. a limiting plate; 16. a steel pipe; 161. a thread-like groove; 17. and a water channel.

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 to 5, the present utility model provides a technical solution:

The utility model provides a foundation ditch supporting structure for hydraulic engineering, including supporting bottom plate 1, the top fixedly connected with supporting curb plate 2 of supporting bottom plate 1, the top both sides of supporting bottom plate 1 are fixedly connected with bracing piece 3 respectively, the opposite side fixedly connected with supporting curb plate 2 of bracing piece 3, two spinal branch vaulting poles 3 all slope setting, the top both sides of supporting curb plate 2 are rotated respectively and are connected with bull stick 4, bull stick 4 passes through the screw thread rotation with the inner chamber of supporting curb plate 2, the bottom fixedly connected with stock 9 of bull stick 4, the top fixedly connected with vacuum pump 5 of supporting curb plate 2, the bottom fixedly connected with trachea of vacuum pump 5, tracheal other end fixedly connected with water tank 10, one side of water tank 10 is run through by a plurality of equidistance drinking-water pipes 6 that arrange, drinking-water pipe 6 fixedly connected with is in one side of supporting curb plate 2, a plurality of ventilation pipes 11 of opposite side top equidistance fixedly connected with of water tank 10, the opposite side fixedly connected with air tank 12 of ventilation pipe 11, air tank 12, ventilation pipe 11, water tank 10, the inner chamber that all fixedly connected with trachea is at supporting curb plate 2 is through ventilation pipe 11 and 12, the inner chamber 12 sliding connection's stock 9, top fixedly connected with baffle 121, the outlet pipe 121 is connected with one side 13 of the other end of push plate 13, the other end of side 13 is fixedly connected with water outlet pipe 13, the other end of push plate 13 is fixedly connected with one side of push plate 13, the other end of 13 is fixedly connected with 13.

Through adopting the technical scheme, an operator places the supporting side plate 2 and the supporting bottom plate 1 along the foundation pit, the water suction pipe 6 is inserted into the side wall of the foundation pit, the supporting side plate 2 is supported by fixing two supporting rods 3 which are obliquely arranged on two sides of the supporting bottom plate 1, the rotating rod 4 rotates along the threads formed in the inner cavity of the supporting side plate 2 by the anchor rods 9 through rotating the rotating rod 4 until the anchor rods 9 are firmly fixed in the foundation pit, the supporting bottom plate 1 and the supporting side plate 2 have stabilizing and supporting functions through the fixation of the anchor rods 9, when the operator wants to suck water in the side wall of the foundation pit, the vacuum pump 5 sucks gas in the water tank 10 through the air pipe, the vacuum pump 5 is closed after negative pressure is generated in the water tank 10, the air pipe is closed, the negative pressure in the water tank 10 is enough to drive the water suction pipe 6 to suck the water in the side wall of the foundation pit, water flow enters the water tank 10 through the water suction pipe 6, gas in the water tank 10 enters the gas tank 12 through the gas exchange pipe 11, so that the pressure in the gas tank 12 is increased, the partition plate 121 is pushed to slide downwards and press the return spring 122, the partition plate 121 drives the push plate 13 to slide downwards along the inner cavity of the water outlet pipe 14, the water flow in the water tank 10 is continuously increased, the pressure in the gas tank 12 is continuously increased, the partition plate 121 is pushed to move until equidistant holes 131 formed in the push plate 13 enter the water outlet pipe 14, the water flow flows out of the water outlet pipe 14 through the holes 131, the pressure in the water tank 10 and the gas tank 12 is reduced, the partition plate 121 drives the push plate 13 to move upwards to block the water outlet pipe 14, the water tank 10 is sucked through the vacuum pump 5, so that the water in the soil on the side wall of the foundation pit flows into the water tank 10 under negative pressure, the side wall of the foundation pit is not easy to collapse, the underground water is prevented from continuously penetrating into the foundation pit, and flowing sand is avoided, the slope is unstable or the bearing capacity of the foundation is reduced, and the pressure of soil on the support side plates 2 is reduced.

Specifically, as shown in fig. 4, one side of the water pumping pipe 6 is sealed, the inner cavity of the water pumping pipe 6 is fixedly connected with a steel pipe 16, a gap between the steel pipe 16 and the bottom of the inner cavity of the water pumping pipe 6 is a water channel 17, a thread-shaped groove 161 is arranged on the outer surface of the steel pipe 16, a plurality of water pumping ports 61 distributed at equal intervals are arranged at the top of the circumference of the water pumping pipe 6, the bottom of the water pumping port 61 is a thread-shaped groove 161, and the water channel 17 is communicated with the water pumping port 61 through the thread-shaped groove 161.

Through adopting above-mentioned technical scheme, rivers enter into in the suction pipe 6 through the suction port 61 that suction pipe 6 circumference top was seted up, the bottom of suction port 61 is equipped with the filter screen, prevent that soil from entering into in the suction pipe 6 through suction port 61, block up suction pipe 6, rivers enter into the water course 17 of bottom through screw thread form recess 161, rivers are discharged into water tank 10 through water course 17, through the cooperation of steel pipe 16 and suction pipe 6, make water tank 10 and gas tank 12 can keep the negative pressure at the in-process of drawing water, accomplish the work of drawing water to the foundation ditch lateral wall, avoid external gas to enter into in the water tank 10, reduce the efficiency of drawing water.

Specifically, as shown in fig. 5, a plurality of fixing rings 8 are fixedly connected to one side of the support side plate 2, a water pumping pipe 6 is placed in an inner ring of the fixing rings 8, a bolt 7 is tightly abutted against an outer side wall of the upper end of the water pumping pipe 6, and the upper end of the bolt 7 penetrates through the fixing rings 8 and extends to the outside of the fixing rings 8.

Through adopting above-mentioned technical scheme, operating personnel need unscrew bolt 7 before fixed drinking-water pipe 6, place behind solid fixed ring 8 inner circle at drinking-water pipe 6, reverse rotation bolt 7 makes the lower extreme of bolt 7 support the outer wall of tight drinking-water pipe 6, realizes the fixed to drinking-water pipe 6, prevents that drinking-water pipe 6 from rotating.

Specifically, as shown in fig. 2 and 3, a limiting plate 15 is fixedly connected to one side of the push plate 13, a magnet is fixedly connected to an inner cavity of one side of the water outlet pipe 14, which is far away from the air box 12, and the limiting plate 15 is made of a magnetic conductive material.

Through adopting above-mentioned technical scheme, through limiting plate 15 to push pedal 13 spacing, prevent that vacuum pump 5 from sucking excessively for push pedal 13 breaks away from outlet pipe 14, and the magnet of outlet pipe 14 one side can be adsorbed to limiting plate 15 made by magnetic conduction material, and is spacing to push pedal 13, prevents that there is water leakage in the outlet pipe 14.

Specifically, as shown in fig. 1, the vacuum pump 5 is detachable from the top of the support side plate 2, and the air pipe is closed in a normal state.

Through adopting above-mentioned technical scheme, through dismantling vacuum pump 5, make vacuum pump 5 can suck a plurality of support curb plates 2, reduce construction cost.

Specifically, as shown in fig. 3, the return spring 122 normally connects the portion of the push plate 13 where the hole 131 is not formed with the water outlet pipe 14.

By adopting the above technical scheme, under normal state, the elasticity of return spring 122 is greater than the gravity of baffle 121, and baffle 121 is fixed in the position of gas tank 12 for push pedal 13 will not set up the part of hole 131 and be connected with outlet pipe 14, prevents outlet pipe 14 leakage.

Working principle: the operator places the supporting side plate 2 and the supporting bottom plate 1 along the foundation pit, the water pumping pipe 6 is inserted into the side wall of the foundation pit, the supporting side plate 2 is supported by fixing two supporting rods 3 which are obliquely arranged at two sides of the supporting bottom plate 1, the rotating rod 4 rotates along the screw thread formed in the inner cavity of the supporting side plate 2 by the rotating rod 4, the rotating rod 4 is driven by the anchor rod 9 until the anchor rod 9 is firmly fixed in the foundation pit, the supporting bottom plate 1 and the supporting side plate 2 have stabilizing and supporting functions by the fixing of the anchor rod 9, when the operator wants to pump water in the side wall of the foundation pit, the vacuum pump 5 is started, the vacuum pump 5 pumps gas in the water tank 10 through an air pipe, the vacuum pump 5 is closed after negative pressure is generated in the water tank 10, the air pipe is closed, the negative pressure in the water tank 10 is enough to drive the water pumping pipe 6 to pump water in the side wall of the foundation pit, the water flow enters the water pumping pipe 6 through the water pumping port 61 arranged at the top of the circumference of the water pumping pipe 6, the bottom of the water pumping port 61 is provided with a filter screen to prevent soil from entering the water pumping pipe 6 through the water pumping port 61 and blocking the water pumping pipe 6, the water flow enters the water channel 17 at the bottom through the thread-shaped groove 161, the water flow is discharged into the water tank 10 through the water channel 17, the gas in the water tank 10 enters the gas tank 12 through the gas exchange pipe 11, the pressure in the gas tank 12 is increased, the baffle plate 121 is pushed to slide downwards and press the return spring 122, the baffle plate 121 drives the push plate 13 to slide downwards along the inner cavity of the water outlet pipe 14, the water flow in the water tank 10 is continuously increased, the pressure in the gas tank 12 is continuously increased to push the baffle plate 121 until equidistant holes 131 arranged on the push plate 13 enter the water outlet pipe 14, the water flow flows out of the water outlet pipe 14 through the holes 131, the pressure in the water tank 10 and the gas tank 12 is reduced, the baffle plate 121 drives the push plate 13 to move upwards, the water outlet pipe 14 is blocked, and the water drainage of the side wall of the foundation pit is completed under the process that the water pumping device is continuously circulated.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The utility model provides a foundation ditch supporting construction for hydraulic engineering, includes support bottom plate (1), its characterized in that: the top fixedly connected with support curb plate (2) of support bottom plate (1), the top both sides of support curb plate (2) are rotated respectively and are connected with bull stick (4), the bottom fixedly connected with stock (9) of bull stick (4), the top fixedly connected with vacuum pump (5) of support curb plate (2), the bottom fixedly connected with trachea of vacuum pump (5), tracheal other end fixedly connected with water tank (10), one side of water tank (10) is run through by multiple water suction pipes (6) that the equidistance was arranged, water suction pipe (6) fixed connection is in one side of support curb plate (2), a plurality of ventilation pipes (11) are fixedly connected with at the opposite side top equidistance of water tank (10), the opposite side fixedly connected with air tank (12) of ventilation pipe (11), air tank (12), ventilation pipe (11), water tank (10) and trachea all fixedly connected at the inner chamber of support curb plate (2), water tank (10) are through ventilation pipe (11) and air tank (12), one side of air tank (12) is connected with baffle (121) in the inner chamber of sliding connection, one side of baffle (121) is connected with one side of baffle (121) fixedly connected with one side of baffle (122), the other end sliding seal of push pedal (13) is connected with outlet pipe (14), a plurality of equidistance hole (131) that distribute have been seted up to the other end of push pedal (13), the fixed connection of outlet pipe (14) is in one side of water tank (10), the outside of support curb plate (2) is extended to the opposite side of outlet pipe (14).

2. The foundation pit supporting structure for hydraulic engineering according to claim 1, wherein: one side of push pedal (13) fixedly connected with limiting plate (15), one side inner chamber fixedly connected with magnet of gas tank (12) is kept away from to outlet pipe (14), limiting plate (15) are made by magnetic conduction material.

3. The foundation pit supporting structure for hydraulic engineering according to claim 1, wherein: the support is characterized in that support rods (3) are fixedly connected to two sides of the top of the support bottom plate (1) respectively, support side plates (2) are fixedly connected to the other sides of the support rods (3), and the two support rods (3) are obliquely arranged.

4. The foundation pit supporting structure for hydraulic engineering according to claim 1, wherein: one side of the water pumping pipe (6) is airtight, a steel pipe (16) is fixedly connected to an inner cavity of the water pumping pipe (6), a gap at the bottom of the inner cavity of the steel pipe (16) and the water pumping pipe (6) is a water channel (17), a thread-shaped groove (161) is formed in the outer surface of the steel pipe (16), a plurality of water pumping ports (61) distributed at equal intervals are formed in the top of the circumference of the water pumping pipe (6), the bottom of the water pumping port (61) is the thread-shaped groove (161), and the water channel (17) is communicated with the water pumping ports (61) through the thread-shaped groove (161).

5. The foundation pit supporting structure for hydraulic engineering according to claim 1, wherein: fixedly connected with a plurality of solid fixed ring (8) of one side of strutted curb plate (2), drinking-water pipe (6) have been placed to the inner circle of solid fixed ring (8), the upper end lateral wall of drinking-water pipe (6) supports tightly is provided with bolt (7), the upper end of bolt (7) runs through solid fixed ring (8) to extend to the outside of solid fixed ring (8).

6. The foundation pit supporting structure for hydraulic engineering according to claim 2, wherein: the return spring (122) enables the push plate (13) to connect the part without the hole (131) with the water outlet pipe (14) in a normal state.

7. The foundation pit supporting structure for hydraulic engineering according to claim 1, wherein: the rotating rod (4) and the inner cavity of the supporting side plate (2) rotate through threads.

8. The foundation pit supporting structure for hydraulic engineering according to claim 1, wherein: the vacuum pump (5) can be detached from the top of the support side plate (2), and the air pipe is closed in a normal state.