CN212506457U - Forced landing rectification device capable of accurately and directionally disturbing foundation - Google Patents
Forced landing rectification device capable of accurately and directionally disturbing foundation Download PDFInfo
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- CN212506457U CN212506457U CN202021161510.4U CN202021161510U CN212506457U CN 212506457 U CN212506457 U CN 212506457U CN 202021161510 U CN202021161510 U CN 202021161510U CN 212506457 U CN212506457 U CN 212506457U
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Abstract
The utility model discloses a can accurate forced landing rectification device of directional disturbance ground, its technical scheme is: the directional reciprocating drilling machine comprises a jet drilling tool and a directional reciprocating mechanism, wherein the jet drilling tool comprises a drill rod and a drill bit which are detachably connected; the directional reciprocating mechanism comprises a driving device and a dial, the driving device is connected with the drill rod through a transmission mechanism, and the dial is sleeved on the outer side of the drill rod and is rotationally connected with the drill rod; a limiting pointer is fixed on one side of the drill rod, and an inclined vortex nozzle is installed on one side of the drill bit. The utility model discloses a directional reciprocating mechanism drives the jet drilling tool and carries out directional reciprocal disturbance to the ground, can realize accurate directional disturbance, improves the safety controllability of the process of rectifying.
Description
Technical Field
The utility model relates to a civil construction field especially relates to a can accurate forced landing rectification device of directional disturbance ground.
Background
The forced landing and rectifying working principle of the building is that the stress state of foundation soil or a pile foundation is changed by applying foundation stress relief, and the original side with smaller settlement of the building is forced to settle; thereby achieving the purpose of back tilting and resetting. Common methods for forced landing and rectification include: soil excavation and inclination correction method, soil excavation and irrigation method, radiation well method, stacking and pressurizing method and the like. Traditional forced landing rectification method usually needs to carry out precipitation earlier, then excavates a large amount of earthwork, forms work ditch or radiation well and provides the operating space, owing to receive job site's restriction, if:
the difficulty of excavating the radiation well is increased due to the fact that the periphery of the building to be inclined is provided with a plurality of connected structures, no enough space is available for excavating a working ditch, or the raft of a high-rise building is thicker, the underground water level is higher and the like. Because the operation space is limited, the rectification operation often needs manual operation, the operation tools are only limited to use of small machines, the degree of mechanization operation is not high, the operation efficiency is low, the safety protection requirement of a construction area is high, and the construction cost is increased. The manual disturbance operation range and the disturbance force are limited, the set disturbance target is often deviated during operation, and the accurate directional release of the foundation stress cannot be carried out on the operation.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art exists, the utility model aims at providing a but device of rectifying is forced to fall of accurate directional disturbance ground can be accurate directional ground stress of relieving or weaken the ground bearing capacity to the disturbance target, improves the safety controllability.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the embodiment of the utility model provides a forced landing rectification device capable of accurately and directionally disturbing a foundation, which comprises a jet drilling tool and a directional reciprocating mechanism, wherein the jet drilling tool comprises a drill rod and a drill bit which are detachably connected; the directional reciprocating mechanism comprises a driving device and a dial, the driving device is connected with the drill rod through a transmission mechanism, and the dial is sleeved on the outer side of the drill rod and is rotationally connected with the drill rod; a limiting pointer is fixed on one side of the drill rod, and an inclined vortex nozzle is installed on one side of the drill bit.
As a further implementation mode, the upper surface of the dial is provided with a limiting groove, and two limiting rods are inserted into the limiting groove at intervals.
As a further implementation, the limiting groove is circular and concentric with the dial.
As a further implementation mode, the interiors of the drill rod and the drill bit are respectively divided into a water outlet channel and a water inlet channel through partition plates.
As a further implementation mode, a plurality of water pumping holes are formed in one side of a water outlet channel of the drill bit, and the oblique vortex nozzle is installed on one side of the water inlet channel of the drill bit.
As a further implementation, the angled vortex finder includes a plurality of angled nozzles.
As a further implementation mode, the drill rod is in threaded connection with the drill bit, one side of the drill bit is connected with the buckle, and a clamping groove matched with the buckle is formed in one side of the drill rod.
As a further implementation mode, the joints of the drill rod and the drill bit are respectively provided with directional marks.
As a further implementation, the oblique vortex nozzle is provided with a center pointing mark.
As a further implementation manner, the driving device is a motor, the transmission mechanism is a chain transmission mechanism, one end of the chain transmission mechanism is connected with the motor, and the other end of the chain transmission mechanism is connected with the drill rod.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
(1) the jet drilling tool of one or more embodiments of the utility model is provided with a water outlet channel and a water inlet channel, and is provided with a water pumping hole communicated with the water outlet channel, and the slurry in the vertical hole enters the water outlet channel of the drill bit through the water pumping hole, flows through the jet drilling rod and is discharged; the side of the water inlet channel is connected with an oblique vortex nozzle, so that vortex water flow can be formed; thereby realizing the multifunction of the jet drilling tool;
(2) the jet drilling tool of one or more embodiments of the utility model clamps the jet drilling rod to rotate in a reciprocating way through the directional reciprocating mechanism, and the range of the rotating angle can be accurately adjusted according to the relative plane position relation between the vertical hole and the disturbance target; the jet drilling tool rotates in a reciprocating mode within a set angle range, the stress of the foundation soil in a disturbance range is relieved, the bearing capacity is weakened, the building is forced to settle under the action of self weight, and accordingly the back inclination is achieved.
Drawings
The accompanying drawings, which form a part of the specification, 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 without unduly limiting the scope of the invention.
FIG. 1 is an elevation view of a building prior to rectification;
FIG. 2 is a schematic structural diagram of a forced landing and inclination correcting device according to one or more embodiments of the present invention;
fig. 3(a) is a schematic structural diagram of a jet drilling tool according to one or more embodiments of the present invention;
FIG. 3(b) is a schematic structural view of a multi-function drill according to one or more embodiments of the present invention;
fig. 3(c) is a schematic structural view of an inclined vortex nozzle of a jet nozzle according to one or more embodiments of the present invention;
FIG. 3(d) is a schematic cross-sectional view of a jet spray head according to one or more embodiments of the present invention;
fig. 4 is a schematic view illustrating an electric mechanism and a rotation angle calculation according to one or more embodiments of the present invention;
fig. 5 is a schematic diagram of pile foundation pile side directional perturbation according to one or more embodiments of the present invention;
fig. 6(a) is an enlarged view of pile-foundation pile-side directional disturbance according to one or more embodiments of the present invention;
fig. 6(b) is an enlarged view of pile foundation pile tip orientation disturbance according to one or more embodiments of the present invention;
the system comprises a building 1, a foundation 2, a jet drilling tool 3, a drill bit 30, a drill stem 31, a directional identifier 32, a slant vortex nozzle 33, a water pumping hole 34, four-blade drilling teeth 35, a fastener 36, a fastener 37, a water outlet channel 38, a water inlet channel 39, a clamping groove 4, a vertical hole 5, a drilling machine 6, foundation soil 7, a directional reciprocating mechanism 71, a transmission chain 71, a dial 72, a limiting groove 73, a limiting rod 74, a limiting pointer 75, a driving device 76, a water inlet pipe 8, a water outlet pipe 9, a jet area 10 and a pile foundation 11.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" when appearing in this application are intended only to designate directions that are consistent with the up, down, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate description of the invention and to simplify description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the application.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two elements may be connected directly or indirectly through an intermediate medium, or the two elements may be connected internally or in an interaction relationship, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.
The first embodiment is as follows:
as shown in fig. 1, the right side settlement of the foundation 2 of the building 1 is greater than the left side settlement, and the building 1 is inclined to the right. To the forced landing rectification of pile foundation building, this embodiment provides a but forced landing rectification device of accurate directional disturbance ground, including jet drilling tool and directional reciprocating mechanism, jet drilling tool links to each other with directional reciprocating mechanism. When the positioning reciprocating mechanism is used, the positioning reciprocating mechanism is connected with a drilling machine 5, and 2 vertical holes 4 are symmetrically drilled in the two sides of the pile, which is away from the pile body by a certain distance, in the original settlement smaller area of the building by using the drilling machine 5.
Specifically, as shown in fig. 3(a), the jet drilling tool comprises a drill rod 31 and a drill bit 30 which are detachably connected, the connecting ends of the drill rod 31 and the drill bit 30 are respectively provided with an orientation mark 32, and after the jet drilling tool is installed, the drill rod 31 and the orientation mark 32 of the drill bit 30 can be accurately aligned.
The drill rod 31 is hollow, and the inner space of the drill rod is divided into two spaces by a partition plate. Specifically, the partition is arranged along the axial direction of the drill rod 31, and one side of the partition is a water outlet channel 37, and the other side of the partition is a water inlet channel 38. In this embodiment, the end of the drill rod 31 (connected to the drill bit 30) is externally threaded to mate with the internal threads at the tip of the drill bit 30. The drill rod 31 is in threaded connection with the drill bit 30, so that the drill rod is convenient to disassemble. Of course, in other embodiments, the drill rod 31 and the drill bit 30 may be connected in other ways.
In order to prevent the situations that screws are loosened, the directional marks 32 cannot be accurately aligned and the drill bit is dropped due to the reciprocating rotation of the drilling tool at the joint of the drill rod 31 and the drill bit 30, a clamping groove 39 is formed in one side of the drill rod 31, threads are arranged in the clamping groove 39, and a buckle 36 is arranged on the side surface of the drill bit 30; after the drill rod 31 is connected with the drill bit 30, the buckle 36 is buckled with the clamping groove 31. Further, the fastener 36 includes a connecting rod connected to a side surface of the drill 30 and a connecting screw provided on the connecting rod, and when the drill 30 is connected to the drill rod 31, the connecting screw reaches the engaging groove 39 and is fastened in the engaging groove 39 by a thread built in the engaging groove 39.
As shown in fig. 3(d), the drill 30 is hollow, the inner space thereof is divided into two spaces by a partition board, the partition board is arranged along the axial direction of the drill 30, one side of the partition board is a water outlet channel 37, and the other side of the partition board is a water inlet channel 38. After the drill bit 30 is connected with the drill rod 31, the water outlet channel 37 and the water inlet channel 38 of the drill bit and the drill rod are respectively aligned, and the two spaces are formed relatively closed through sealing rubber strips arranged on the partition plates. As shown in fig. 3(a) -3(c), the drill 30 has an internal thread formed therein at one end and drill teeth at the other end. In this embodiment, the drill teeth are four-blade drill teeth 35, so that when the vertical hole 4 is constricted or collapsed, the drill bit 30 can be effectively and smoothly lowered.
A plurality of water pumping holes 34 are formed in one side of the drill bit 30, which is provided with a water outlet channel 37, and slurry in the vertical hole 4 enters the water outlet channel 37 of the drill bit 30 through the water pumping holes 34 and is discharged through the water outlet pipe 9. The drill bit 30 is provided with a water inlet channel 38, the water inlet channel 38 is provided with the inclined vortex nozzle 33, and the drill rod 31 can be lengthened section by section according to the required length so as to guide the center pointing mark of the inclined vortex nozzle 33 to the ground.
Specifically, as shown in fig. 3(c) and 3(d), the inclined vortex nozzle 33 includes a plurality of inclined nozzles, and high-pressure water is jetted from the inclined nozzles at a high speed through the drill pipe 31 to form a vortex water flow. In this embodiment, the angled vortex nozzle 33 includes three angled nozzles, the outlets of which are tapered. The center of the oblique vortex nozzle 33 has a center pointing mark, which is oriented to coincide with the orientation mark 32 of the drill bit 30 and the drill rod 31. In the present embodiment, the directional indicator 32 and the center direction indicator are arrows.
In use, the jet drill 3 is mounted in front of the drilling machine 5 by means of the directional reciprocating mechanism 7, as shown in figure 2. The drilling machine 5 is an existing drilling device, and is not described herein again. The water outlet channel 37 of the jet drilling tool 3 is connected with the water outlet pipe 9, and the water inlet channel 38 of the jet drilling tool 3 is connected with the water inlet pipe 8.
In the present embodiment, the directional reciprocating mechanism 7 includes a driving device 76, a chain transmission mechanism, a dial 72 and a limit pointer 75, the driving device 76 is connected with the drill rod 31 through the chain transmission mechanism, the drill rod 31 is rotatably connected with the dial 72, and the drill rod 31 is fixedly connected with the limit pointer 75. The drill rod 31 and the limit pointer 75 are rotated relative to the scale 72 by the chain drive, drive means 76.
Further, the chain transmission mechanism comprises a transmission chain 71, a first transmission chain wheel and a second transmission chain wheel which are connected with the transmission chain 71, and the first transmission chain wheel is connected with the driving device 76; in the present embodiment, the driving device 76 is a motor. It will be appreciated that in other embodiments, the drive device 76 may be other sources of rotational power. The second driving chain wheel is fixed with the drill rod 31, the drill rod 31 is connected with the scale disc 72 through a bearing, and the limit pointer 75 is fixed on one side of the drill rod 31 and is positioned above the scale disc 72.
The dial 72 is provided with angle scales on the upper surface for accurately positioning the injection direction of the inclined vortex nozzle 33. Limiting groove 73 has been seted up to calibrated scale 72 upper surface, limiting groove 73 is the annular, and is close to calibrated scale 72 edge setting. Two limiting rods 74 are inserted into the limiting groove 73 at certain intervals, the diameter of each limiting rod 74 is matched with the width of the limiting groove 73, and the position of each limiting rod 74 can be adjusted according to the range of the disturbance angle.
When the driving device 76 rotates, the transmission chain 71 drives the drill rod 31 and the limiting pointer 75 fixed on the drill rod to rotate, and when the limiting pointer 75 touches one of the limiting rods 74, the driving device 76 changes the rotating direction and rotates reversely. Similarly, when the stopper hand 75 hits the other stopper rod 74, it is also rotated reversely. Thus, reciprocating rotation in a set angle range can be realized.
As shown in fig. 4, a disturbance angle range α is calculated according to the pile diameter and the center distance between the vertical hole 4 and the pile foundation 11, and a calculation formula of the α angle is as follows:
wherein D is1Indicating the diameter, S, of pile foundation 111The distance between the installation position of the jet flow drilling tool 3 and the center of the pile foundation 11.
As shown in fig. 5, the water inlet pipe 8 is connected with a high-pressure water pump, and the water outlet pipe 9 is connected with a water pump. And starting the directional reciprocating mechanism 7, wherein the directional reciprocating mechanism 7 drives the jet drilling tool 3 to rotate in a reciprocating manner within a set angle range alpha at a certain rotating speed.
Meanwhile, clear water pressed by the high-pressure water pump is ejected at high speed from the three inclined nozzles through the jet drilling tool 3 to form high-pressure vortex water flow, the foundation soil is fully punched by utilizing the tangential force of the vortex water flow and is gradually loosened and peeled off to form slurry in a vortex flow state, and the formed slurry is sucked into the water outlet channel 37 by the water pumping hole 34 and is discharged through the water outlet pipe 9 while being ejected at high pressure. The jet flow forming the flowing state indirectly takes the soil. The slurry discharged from a vertical hole 4 through a water outlet pipe 9 is separately placed in a fixed container, the specific gravity of the slurry is accurately measured by a slurry specific gravity meter, and the natural earth volume V in the discharged slurry is calculated.
As shown in fig. 6(a), after the jet flow soil sampling disturbance of one vertical hole 4 at one side of the pile foundation 11 is completed, a jet flow area 10 is formed; and then, jet flow disturbance is carried out on the vertical hole 4 on the other side of the pile foundation 11 according to the same operation, so that the stress of the foundation relieved on the two sides of the pile foundation 11 is kept approximately the same, and the influence on the internal force of the pile body is reduced.
Under the disturbance of the high-pressure jet flow, the stress of the foundation soil 6 on the pile side 11 is relieved, under the self-weight load of the building 1, most of the load of the pile top is transferred to the pile end, so that the foundation soil 6 under the pile end is compressed, and the building 1 gradually tilts back to the side with the relatively smaller original settlement value, thereby achieving the purpose of forced landing and rectification.
When the vertical hole 4 is drilled and the jet flow disturbance work is carried out, the inclination and the settlement value of the building 1 are monitored in real time and are compared with the target value for correcting inclination in time, and if the target value is not reached, the jet flow disturbance work is circulated for many times until the inclination of the building meets the target requirement. After the building 1 resets, utilize this embodiment to compel to fall rectification equipment, carry out the hole of the foundation soil 6 that pile side vertical hole 4 corresponds and spout the pouring cement mortar soon and seal and fill, resume the bearing capacity of ground.
Similarly, the forced landing rectification equipment is also suitable for the jet flow disturbance rectification of the pile end disturbance, the shallow foundation and the composite foundation building of the non-socketed pile foundation.
The construction process of the embodiment is as follows:
and 3, lengthening the drill rod 31 section by section, placing the jet flow nozzle in the vertical hole 4 to set the disturbance depth, and adjusting the inclined vortex nozzle 33 of the jet flow drill 3 to point to the set disturbance target direction through the directional mark 32 on the drill rod 31.
step 5, the directional reciprocating mechanism 7 clamps the drill rod 31 to rotate in a reciprocating mode within a specific angle range;
Preferably, the water supply flow rate of the high-pressure water pump is controlled to be 45L/min-100L/min, and the jet pressure is controlled to be 10MPa-25 MPa.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A forced landing and inclination correcting device capable of accurately and directionally disturbing a foundation is characterized by comprising a jet drilling tool and a directional reciprocating mechanism, wherein the jet drilling tool comprises a drill rod and a drill bit which are detachably connected; the directional reciprocating mechanism comprises a driving device and a dial, the driving device is connected with the drill rod through a transmission mechanism, and the dial is sleeved on the outer side of the drill rod and is rotationally connected with the drill rod; a limiting pointer is fixed on one side of the drill rod, and an inclined vortex nozzle is installed on one side of the drill bit.
2. The forced landing and inclination correcting device capable of accurately and directionally disturbing the foundation as claimed in claim 1, wherein the upper surface of the dial is provided with a limiting groove, and two limiting rods are inserted into the limiting groove at intervals.
3. The forced landing and rectifying device capable of accurately and directionally disturbing the foundation according to claim 2, wherein the limiting groove is in a circular ring shape and is concentrically arranged with the dial.
4. The forced landing and rectifying device capable of accurately and directionally disturbing the foundation as claimed in claim 1, wherein the interior of the drill rod and the drill bit are divided into a water outlet channel and a water inlet channel by a partition plate.
5. The forced landing and rectifying device capable of disturbing foundation accurately and directionally as claimed in claim 4, wherein a plurality of water pumping holes are opened at one side of the water outlet channel of the drill bit, and the oblique vortex nozzle is installed at one side of the water inlet channel of the drill bit.
6. The forced landing and inclination correcting device capable of accurately and directionally disturbing the foundation as claimed in claim 5, wherein the inclined vortex nozzle comprises a plurality of inclined nozzles.
7. The forced landing and rectifying device capable of accurately and directionally disturbing the foundation as claimed in claim 1, wherein the drill rod is connected with the drill bit through screw threads, a fastener is connected to one side of the drill bit, and a clamping groove matched with the fastener is arranged on one side of the drill rod.
8. The forced landing and rectifying device capable of accurately and directionally disturbing the foundation according to claim 1 or 7, wherein the connection positions of the drill rod and the drill bit are respectively provided with a directional mark.
9. The forced landing and rectifying device capable of accurately and directionally disturbing the foundation as claimed in claim 1, wherein the inclined vortex nozzle is provided with a center pointing mark.
10. The forced landing and rectifying device capable of accurately and directionally disturbing the foundation according to claim 1, wherein the driving device is a motor, the transmission mechanism is a chain transmission mechanism, one end of the chain transmission mechanism is connected with the motor, and the other end of the chain transmission mechanism is connected with the drill rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161510.4U CN212506457U (en) | 2020-06-19 | 2020-06-19 | Forced landing rectification device capable of accurately and directionally disturbing foundation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021161510.4U CN212506457U (en) | 2020-06-19 | 2020-06-19 | Forced landing rectification device capable of accurately and directionally disturbing foundation |
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| CN212506457U true CN212506457U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855897A (en) * | 2022-04-29 | 2022-08-05 | 江苏鸿基节能新技术股份有限公司 | Limiting forced landing and inclination correcting method for building |
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2020
- 2020-06-19 CN CN202021161510.4U patent/CN212506457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855897A (en) * | 2022-04-29 | 2022-08-05 | 江苏鸿基节能新技术股份有限公司 | Limiting forced landing and inclination correcting method for building |
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