CN213709652U

CN213709652U - Soil foundation building deviation correcting device

Info

Publication number: CN213709652U
Application number: CN202022397048.4U
Authority: CN
Inventors: 邵界立; 邵东杰; 李彦琦
Original assignee: Wuhan Dida Architectural Design Co ltd
Current assignee: Wuhan Dida Architectural Design Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-16
Anticipated expiration: 2030-10-23

Abstract

The utility model provides a soil foundation building deviation correcting device, a plurality of drilling rods are the cavity setting and connect gradually and form feed end and output, the diameter of a plurality of drilling rods is little setting gradually from feed end to output, rotatory telescopic machanism drive drilling rod is rotatory and feed towards the direction of output, the water pipe is located in the drilling rod, and be connected with the water pump, a plurality of dumping mechanisms are used for boring the dumping passageway that is equipped with a plurality of clay layers that extend to below the building on the bottom lateral wall of foundation ditch, the dumping passageway is perpendicular setting with the projection of building incline direction on the horizontal plane, a plurality of dumping passageways interval set up on the building incline direction. The utility model provides a technical scheme's beneficial effect is: the clay can be discharged while drilling, and the phenomenon that the deviation rectifying precision is influenced due to excessive discharged soil and overlarge rotating range of the output end can be avoided in the rotating process of the drill rod; the soil can be uniformly discharged from the clay layer under the building, the condition of excessive irrigation is avoided, and accurate deviation rectification is realized.

Description

Soil foundation building deviation correcting device

Technical Field

The utility model relates to a building construction technical field especially relates to a soil foundation building deviation correcting device.

Background

People build a large number of buildings for living and living needs, but for various reasons, the buildings incline due to uneven settlement during the construction or use of some buildings, such as the famous italian leaning tower of pizza, the soviet tower of Suzhou in China, and the like. The light inclined building influences the normal use of the building, and in severe cases, the building loses the use function.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the above problem, the embodiment of the utility model provides an earth foundation building deviation correcting device.

The embodiment of the utility model provides a soil foundation building deviation correcting device, which comprises at least one foundation pit and a plurality of dumping mechanisms;

the soil discharging mechanism comprises a rotary telescopic mechanism, a plurality of drill rods, a water pump and a water pipe, wherein the drill rods are arranged in a hollow manner and are sequentially connected to form a feeding end and an output end, the diameters of the drill rods are gradually reduced from the feeding end to the output end, the rotary telescopic mechanism drives the drill rod to rotate and feed towards the direction of the output end, the water pipe is arranged in the drill rod, the water outlet end of the water pipe is opposite to the output end, the water inlet end of the water pipe is positioned outside the drill rod and is connected with the water pump, the plurality of soil discharging mechanisms are used for drilling a plurality of soil discharging channels which extend to a clay layer below a building on the side wall of the bottom of the foundation pit, the soil discharging channels are vertically arranged with the projection of the building inclination direction on the horizontal plane, and the soil discharging channels are arranged at intervals in the building inclination direction.

Further, two adjacent drill rods are connected through threads.

Further, the drill rod is a steel pipe.

The device further comprises a plurality of grouting pipes and a mud pump, wherein the grouting pipes are arranged in one-to-one correspondence with the plurality of soil discharge channels and are used for being inserted into the soil discharge channels, and the mud pump is connected with the grouting pipes and used for filling mud into the grouting pipes.

Furthermore, a one-way grouting valve is arranged on the grouting pipe.

Furthermore, the material of slip casting pipe is PV pipe.

Further, the slip casting pipe includes a plurality of slip casting pipe bodies, and is a plurality of the slip casting pipe body passes through the joint sleeve and connects gradually.

Furthermore, one end of the grouting pipe, which is far away from the mud pump, is connected with a guniting head.

Furthermore, a backfill soil layer is arranged at the position, opposite to the soil discharge channel, of the bottom of the foundation pit, the top of the backfill soil layer is located above the concrete substrate, and one end, close to the mud pump, of the grouting pipe is bent upwards and protrudes out of the backfill soil layer.

Furthermore, a plug is plugged at one end, close to the mud pump, of the grouting pipe.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: utilize rotatory telescopic machanism drive drilling rod rotatory and to the direction of output feed, can drill a hole to the clay layer, utilize the water pump to annotate water in to the water pipe, water flows out towards the clay layer of building bottom from the play water end of water pipe, can assault the silty clay in the clay layer, and the clay can be along with outside the mobile outflow hole of water, realizes simultaneously drilling the hole and discharges the clay. The drilling rod is flexible at rotatory in-process, causes output eccentric rotation, and is a plurality of the diameter of drilling rod certainly the feed end extremely the output is the taper setting, can avoid the rotatory scope of output too big, and exhaust soil is too much, and influences the precision of rectifying.

In the deviation rectifying process, one deep side of a building is reinforced firstly, a soil discharging mechanism is used for discharging soil to form soil discharging channels, soil can be uniformly discharged on a clay layer below the building, the soil discharging channels are arranged at intervals in the inclined direction of the building, the soil discharging amount of each soil discharging channel can be determined according to the inclined angle of the building, the situation of overriding is avoided, and accurate deviation rectifying is achieved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a deviation rectifying device (a drill rod is positioned in a soil discharging passage) for a soil foundation building provided by the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic structural view of a drill rod;

fig. 4 is a schematic structural diagram of an embodiment of the deviation rectifying device (grouting pipe is located in the soil discharging passage) for a soil foundation building provided by the present invention;

FIG. 5 is a schematic view of the construction of the injection pipe and the guniting head of FIG. 3;

fig. 6 is a schematic view of the construction of the grout pipe and sleeve of fig. 3.

In the figure: the device comprises a foundation pit 1, a drill rod 2, a feeding end 21, an output end 22, a soil discharging channel 3, a grouting pipe 4, a guniting head 5, a joint sleeve 6, a backfill soil layer 7, a concrete base 8 and a building 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Please refer to fig. 1 to 6, an embodiment of the present invention provides a deviation correcting device for a soil foundation building, which includes at least one foundation pit 1 and a plurality of soil discharging mechanisms.

Referring to fig. 1 to 3, the soil discharging mechanism includes a rotary telescopic mechanism, a plurality of drill rods 2, a water pump and a water pipe, the drill rods 2 are hollow and sequentially connected to form a feeding end 21 and an output end 22, the diameters of the drill rods 2 are gradually decreased from the feeding end 21 to the output end 22, the rotary telescopic mechanism drives the drill rods 2 to rotate and feed towards the direction of the output end 22, the water pipe is disposed in the drill rods 2, a water outlet end of the water pipe is opposite to the output end 22, the water inlet end of the water pipe is located outside the drill rods 2 and connected to the water pump, and in order to prevent the drill rods 2 from not affecting the water pipe during rotation, an inner side wall of the output end 22 of the drill rods 2 and the water outlet end of the water pipe can be fixedly connected through a bearing. The plurality of soil discharging mechanisms are used for drilling a plurality of soil discharging channels 3 which extend to a clay layer below a building 9 on the side wall of the bottom of the foundation pit 1, the soil discharging channels 3 are vertically arranged with the projection of the building 9 in the inclined direction on the horizontal plane, and the plurality of soil discharging channels 3 are arranged at intervals in the inclined direction of the building 9.

Utilize rotatory telescopic machanism drive drilling rod 2 rotatory and to the direction of output 22 feed, can drill the clay layer, utilize the water pump to annotate water in the water pipe, water flows out towards the clay layer of building 9 bottom from the play water end of water pipe, makes the clay layer of building bottom form mud, and the clay can be along with the flowing outflow hole of water outside, realizes the effect of drilling the while with clay discharge. In this embodiment, since the length of the drill rod 2 reaches 18m, the drill rod 2 is flexible in the rotating process, so that the output end 22 rotates eccentrically, and the diameters of the plurality of drill rods 2 are gradually reduced from the feeding end 21 to the output end 22, thereby preventing the output end 22 from rotating in an excessively large range and discharging excessive soil, which affects the deviation rectification precision.

In the deviation rectifying process, the deep side of the building 9 is firstly reinforced, exemplarily, if the east of the building 9 is settled, the height of the west is high, the inclination direction of the building 9 is in the east-west direction, the east of the building 9 is firstly reinforced, the soil discharging mechanism is used for discharging soil to form the soil discharging channels 3 in the south-north direction, soil can be uniformly discharged on the clay layer below the building 9, the soil discharging channels 3 are arranged in the east-west direction at intervals, the soil discharging amount of each soil discharging channel 3 can be respectively determined according to the inclination angle of the building 9, the situation of overgreat deviation rectification is avoided, and accurate deviation rectification is realized.

The setting of rotatory telescopic machanism is prior art, and is exemplary, and rotatory telescopic machanism includes one-way cylinder and rotating electrical machines, with the drive shaft connection of the end 21 of feeding of drilling rod 2 with rotating electrical machines, rotating electrical machines can drive drilling rod 2 rotatory, utilizes the actuating lever drive rotating electrical machines of one-way cylinder and drilling rod 2 to remove, can realize the rotation of drilling rod 2 and feed.

In order to facilitate the installation of the drill rods 2, two adjacent drill rods 2 are connected through threads. The drill rod 2 is a steel pipe and has a certain bearing capacity, and the condition that the drill rod 2 is damaged by a building 9 to influence the process of soil discharging is avoided. It can be understood that the drilling is carried out by using the drill rod 2 with the smaller diameter, and after the drill rod 2 completely extends into the clay layer, the drill rod 2 with the larger diameter is connected through a threaded connection, and the drilling is continued.

Referring to fig. 4 to 6, after the soil discharging process is completed, the drill rod 2 may be drawn out, the plurality of grouting pipes 4 and the plurality of soil discharging passages 3 are arranged in a one-to-one correspondence manner and are used for being inserted into the soil discharging passages 3, the mud pump is connected to the grouting pipes 4, and the mud is poured into the grouting pipes 4 and flows into the clay layers to be consolidated, so as to improve the bearing capacity of the bottom of the building 9 and prevent the building 9 from being inclined again.

The grouting pipe 4 is provided with a one-way grouting valve, so that slurry is injected into a clay layer and cannot flow back into the grouting pipe 4, the grouting valve can bear hydrostatic pressure of more than 2MPa, and a hard protective layer is arranged outside the grouting valve to resist scraping and collision of hard substances such as sand and stone and the like so as not to damage the grouting valve.

One end of the grouting pipe 4, which is far away from the mud pump, is connected with a guniting head 5 (please refer to fig. 5), the side wall of one end of the grouting pipe 4, which is far away from the mud pump, is provided with a plurality of grout outlet holes in a penetrating manner, and a hole side and hole end grouting method is adopted to ensure that mud is fully injected into a clay layer.

The grouting pipe 4 is made of a PV pipe, after the grouting process is finished, the grouting pipe 4 can be kept in the clay layer due to the fact that the grouting pipe 4 is filled with slurry, the grouting pipe does not need to be drawn out, the price of the PV pipe is low, and cost can be reduced.

Because the area of foundation ditch 1 is limited, slip casting pipe 4 includes a plurality of slip casting pipe 4 bodies, and a plurality of slip casting pipe 4 bodies connect gradually through joint sleeve 6 (please see fig. 6), are convenient for insert slip casting pipe 4 to in the soil discharging passageway 3.

Referring to fig. 4, a backfill soil layer 7 is arranged at the bottom of the foundation pit 1 opposite to the position of the soil discharge channel 3, and the top of the backfill soil layer 7 is positioned above a concrete base 8 (the concrete base 8 is positioned at the bottom of a building 9 and above a clay layer); one end of the grouting pipe 4, which is close to the slurry pump, is bent upwards and protrudes out of the backfill soil layer 7, and the backfill soil layer 7 is arranged because the flow path of the cement slurry in the clay layer is uncertain, so that when the slurry overflows from the upper part of the backfill soil layer 7, the gaps of the clay layer can be judged to be filled with the slurry, the gaps in the clay layer can be avoided, and the building 9 is prevented from inclining again at the later stage.

And one end of the grouting pipe 4 close to the mud pump is plugged with a plug, so that the mud is prevented from flowing out of the grouting pipe 4, and the mud is favorably solidified in a clay layer.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A soil foundation building deviation correcting device is characterized by comprising at least one foundation pit and a plurality of dumping mechanisms;

2. The soil foundation building deviation rectifying device of claim 1, wherein adjacent two of said drill rods are connected by a screw thread.

3. The soil based building deviation rectifying device of claim 1, wherein said drill pipe is a steel pipe.

4. The soil based building deviation rectifying device of claim 1, further comprising a plurality of grouting pipes and a mud pump, wherein the plurality of grouting pipes are arranged in one-to-one correspondence to the plurality of soil discharging channels and are used for being inserted into the soil discharging channels, and the mud pump is connected to the grouting pipes to pour mud into the grouting pipes.

5. The soil foundation building deviation correcting device of claim 4, wherein a one-way grouting valve is arranged on the grouting pipe.

6. The soil based building deviation rectifying device of claim 4, wherein said grouting pipe is made of PV pipe.

7. The soil foundation building deviation correcting device of claim 4, wherein the grouting pipe comprises a plurality of grouting pipe bodies, and the plurality of grouting pipe bodies are sequentially connected through a joint sleeve.

8. The soil based building deviation correcting device of claim 4, wherein a grout spraying head is connected to an end of said grouting pipe remote from said mud pump.

9. The soil based building deviation correcting device of claim 4, wherein a backfill layer is provided at the bottom of the foundation pit opposite to the soil discharging passage, the top of the backfill layer is located above the concrete base, and one end of the grouting pipe close to the mud pump is bent upwards and protrudes out of the backfill layer.

10. The soil based building deviation correcting device of claim 4, wherein a plug is plugged at one end of said grouting pipe close to said mud pump.