CN113914397A - A slip casting hole draw hole device for loose fill layer - Google Patents
A slip casting hole draw hole device for loose fill layer Download PDFInfo
- Publication number
- CN113914397A CN113914397A CN202111414442.7A CN202111414442A CN113914397A CN 113914397 A CN113914397 A CN 113914397A CN 202111414442 A CN202111414442 A CN 202111414442A CN 113914397 A CN113914397 A CN 113914397A
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- connecting rod
- hole
- steel
- block
- sliding groove
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
- E02F5/20—Machines for digging other holes in the soil for vertical holes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the technical field of grouting hole guiding, and discloses a grouting hole guiding device for a loose fill layer, which aims to solve the problem of low hole guiding efficiency of a drilling machine in the loose fill layer. The clamping device comprises an outer sleeve, wherein the inner wall of the outer sleeve is provided with threads, the outer sleeve is in threaded connection with a rotating disc, the middle of the rotating disc is provided with a through hole matched with the outer diameter of a steel perforated pipe, the rotating disc is provided with at least three clamping blocks for clamping the steel perforated pipe, the rotating disc is provided with a connecting rod for driving the clamping blocks to move, the upper end of the connecting rod is connected with a first thrust bearing, the periphery of the first thrust bearing is sleeved with a fixed disc, and the top of the fixed disc is provided with a fastening part. The steel perforated pipe realizes the downward-pressing spiral drilling, and improves the hole guiding efficiency of the grouting hole; simultaneously, two processes of pressing the grouting hole leading hole and the steel floral tube into the loose filling layer are one, so that the grouting reinforcement efficiency can be greatly improved.
Description
Technical Field
The invention belongs to the technical field of grouting hole leading, and particularly relates to a grouting hole leading device for a loose fill layer, which is used for leading holes in the loose fill layer.
Background
For a stratum with loose soil bodies (such as a filling layer), grouting reinforcement is often needed, and the grouting reinforcement process is simpler and comprises the following steps: a grouting hole leading process and a grouting process.
The grouting hole is formed by adopting a drilling machine to rotate, and the drilling machine drills to form the grouting hole in a mode of rotating a drill rod and then drives a steel perforated pipe into the grouting hole, so that the problem of low hole guiding efficiency exists.
Disclosure of Invention
The invention provides a grouting hole leading device for a loose fill layer, aiming at solving the problem of low hole leading efficiency of a drilling machine in the loose fill layer, which can quickly form grouting holes in the loose fill layer and is convenient for improving the grouting reinforcement efficiency of the loose fill layer.
In order to solve the technical problem, the technical scheme adopted by the invention is as follows:
the utility model provides a slip casting hole leading device for loose fill layer for install the forearm front end at the excavator, its characterized in that, including being used for placing the outer sleeve on soil layer surface, the inner wall of outer sleeve is seted up threadedly, the cover is equipped with the rotary disk that can with screw thread interconnect on the outer sleeve, the through-hole with the mutual adaptation of external diameter of steel floral tube is seted up at the middle part of rotary disk, install at least three grip block that is used for centre gripping steel floral tube on the rotary disk, install on the rotary disk and be used for driving the grip block towards the steel floral tube or keep away from the connecting rod of steel floral tube motion, the upper end of connecting rod is connected with a footstep bearing, the peripheral cover of first footstep bearing is equipped with the fixed disk, the top of fixed disk is provided with the fastening portion that is used for the fastening at the forearm front end of excavator.
In some embodiments, the lower end of the fixed disk is also provided with an extrusion block, the lower end of the extrusion block is provided with a second thrust bearing, and the inner ring of the second thrust bearing is fixedly provided with a rotating plate for contacting with the upper end face of the steel perforated pipe.
In some embodiments, the rotating disc is provided with at least three first sliding grooves in the radial direction, the clamping block can move along the length direction of the first sliding grooves, the rotating disc is provided with a second sliding groove communicated with the first sliding grooves in the vertical direction, one end of the clamping block is connected with a wedge block, a wedge surface of the wedge block can extend out of the first sliding grooves and be located in the second sliding grooves, and a wedge surface matched with the wedge surface of the wedge block is arranged at the lower end of the connecting rod.
In some embodiments, a circumferential wall of the second sliding groove is provided with a third sliding groove, an inner diameter of the third sliding groove is larger than that of the second sliding groove, and the connecting rod is provided with a snap ring with the third sliding groove adapted to each other.
In some embodiments, a limiting plate is mounted at the inner bottom of the outer sleeve, a through hole for passing the tempered pipe is formed in the middle of the limiting plate, a push rod is arranged on the limiting plate at a position corresponding to the second sliding groove on the rotating disc, a clamping part is mounted on the inner ring of the first thrust bearing, a through hole is formed in the clamping part, and the upper end of the connecting rod is in interference fit with the through hole so that static friction force for preventing the connecting rod from falling off is formed between the clamping part and the connecting rod; when the push rod is contacted with the lower end of the connecting rod, the push rod provides thrust for the connecting rod to overcome static friction force between the clamping part and the connecting rod and push the connecting rod to move upwards, so that the clamping block retracts into the first sliding groove and does not extrude the steel perforated pipe.
In some embodiments, a spring for returning the clamping block is sleeved on the periphery of the clamping block, one end of the spring is fixedly installed on the wedge-shaped block, and the other end of the spring is fixed in the first sliding groove.
In some embodiments, the inner upper end of the outer sleeve is provided with a limiting ring for limiting the position of the rotating disc, and the outer diameter of the fixed disc is smaller than the inner diameter of the limiting ring so that the fixed disc can extend into the outer sleeve.
In some embodiments, the outer diameters of the pressing block and the rotating plate and the outer diameter of the steel flower tube are adapted to each other so that the pressing block and the rotating plate can pass through the through hole of the rotating disk.
In some embodiments, the ends of the clamping blocks are fitted with the flower holes on the steel flower tubes.
Compared with the prior art, the invention has the following beneficial effects:
in the using process of the grouting hole leading device for the loose fill layer, firstly, the arrangement position of a steel floral tube (namely, the central position of the grouting hole) is determined through measuring and setting-out, according to the arrangement position of the steel floral tube, an excavator clamps a fixed disc and drives the center of an outer sleeve to be aligned with the center of the grouting hole, the excavator drives the fixed disc and a rotating plate on the fixed disc to move downwards and drives the steel floral tube to move downwards through the contact between the rotating plate and the steel floral tube in the downward pressing process, the excavator drives a connecting rod to move downwards while pressing the fixed disc downwards so as to enable the connecting rod to extrude a wedge-shaped surface of a wedge-shaped block, so that the clamping block slides in a first sliding groove to enable the clamping block to clamp the steel floral tube, the steel floral tube and a rotating disc are connected into a whole, and a large-pitch thread is arranged between the rotating disc and the outer sleeve, the rotating disc can rotate in the downward movement process, so that the steel perforated pipe is driven to rotate, the steel perforated pipe is pressed downwards to perform spiral drilling, and the hole guiding efficiency of the grouting hole is improved; on the other hand, the invention integrates two processes of grouting hole leading and steel floral tube pressing into loose filling layer into one, which can greatly improve the grouting reinforcement efficiency. When the rotating disc descends along with the steel perforated pipe until the push rod is contacted with the connecting rod on the rotating disc, the push rod pushes the connecting rod upwards and drives the connecting rod to move upwards, the clamping block is driven to retract into the first sliding groove under the action of the spring, the rotating disc is separated from the steel perforated pipe, and the steel perforated pipe continues to move downwards under the action of the extrusion block until the steel perforated pipe is buried in the loose fill layer.
After finishing a steel floral tube and burying, excavator upward movement drives fixed disk and connecting rod upward movement together, and then drives the rotary disk upward movement together through the snap ring on the rotary disk, drives the outer sleeve upward movement together and removes to next slip casting hole position and carry out burying of a root steel floral tube when the rotary disk moves to the spacing collar at the interior top of outer sleeve, has the convenient characteristics of processing.
The invention can limit the process of embedding the steel perforated pipe into the loose fill layer through the action of the outer sleeve and the rotating disk, prevents the steel perforated pipe from inclining, solves the problem that the steel perforated pipe is easy to incline when pressed in the prior art, and improves the grouting reinforcement effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
the labels in the figure are: 1. the clamping device comprises an outer sleeve, 101, a fastening hole, 2, a rotating disc, 3, a first sliding groove, 4, a second sliding groove, 5, a clamping block, 6, a wedge-shaped block, 7, a connecting rod, 8, a spring, 9, a first thrust bearing, 10, a clamping part, 11, a fixing disc, 12, an extrusion block, 13, a second thrust bearing, 14, a rotating disc, 15, a limiting plate, 16, a through hole, 17, a push rod, 18, a steel flower tube, 1801, a flower hole, 19, a third sliding groove, 20, a clamping ring, 21, a limiting ring, 22, a screw rod, 23 and a fastening nut.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With reference to the attached drawings, the grouting hole leading device for loose fill of the invention is used for being installed at the front end of a forearm of an excavator, and is characterized by comprising an outer sleeve 1 placed on the surface of a soil layer, wherein the bottom of the outer sleeve 1 is provided with an installation seat, preferably, the installation seat is further provided with a fastening hole 101, a steel bar can be inserted through the fastening hole 101 for fastening the outer sleeve 1 in the soil layer (loose fill), the inner wall of the outer sleeve 1 is provided with a thread, the outer sleeve 1 is sleeved with a rotating disc 2 capable of being connected with the thread, the middle part of the rotating disc 2 is provided with a through hole matched with the outer diameter of a steel flower tube 18, the rotating disc 2 is provided with at least three clamping blocks 5 for clamping the steel flower tube 18, the rotating disc 2 is provided with a connecting rod 7 for driving the clamping blocks 5 to move towards the steel flower tube 18 or away from the steel flower tube 18, the upper end of connecting rod 7 is connected with first footstep bearing 9, the peripheral cover of first footstep bearing 9 is equipped with fixed disk 11, the top of fixed disk 11 is provided with the fastening portion that is used for fastening at the forearm front end of excavator. Wherein, the connection with the small arm of the excavator through the fastening part belongs to the prior art, and can be understood and understood by those skilled in the art, and the description is omitted.
In some embodiments, the lower end of the fixed disk 11 is further provided with a pressing block 12, the lower end of the pressing block 12 is provided with a second thrust bearing 13, and the inner ring of the second thrust bearing 13 is fixedly provided with a rotating plate 14 for contacting with the upper end surface of the steel flower tube 18. The extrusion block 12 and the rotating plate 14 can transmit extrusion force to the steel perforated pipe 18, and the first thrust bearing and the second thrust bearing are designed to ensure that the steel perforated pipe and the rotating disc can rotate.
In some embodiments, the rotating disk 2 is provided with at least three first sliding grooves 3 along the radial direction, the clamping block 5 can move along the length direction of the first sliding grooves 3, the rotating disk 2 is provided with second sliding grooves 4 communicated with the first sliding grooves 3 along the vertical direction, one end of the clamping block 5 is connected with a wedge block 6, the wedge surface of the wedge block 6 can extend out of the first sliding grooves 3 and be located in the second sliding grooves 4, and the lower end of the connecting rod 7 is provided with a wedge surface mutually matched with the wedge surface of the wedge block 6.
In some embodiments, a third sliding groove 19 is formed in a circumferential wall of the second sliding groove 4, an inner diameter of the third sliding groove 19 is larger than an inner diameter of the second sliding groove 4, and the connecting rod 7 is provided with a snap ring 20 with the third sliding groove 19 adapted to each other. Wherein, the design of snap ring and third sliding tray makes can carry out spacingly to connecting rod 7 up-and-down motion position.
In some embodiments, a limiting plate 15 is installed at the inner bottom of the outer sleeve 1, a through hole 16 for passing a tempered pipe is formed in the middle of the limiting plate 15, a push rod 17 is arranged on the limiting plate 16 corresponding to the second sliding groove 4 on the rotating disk 2, a clamping part 10 is installed on the inner ring of the first thrust bearing 9, a through hole is formed in the clamping part 10, and the upper end of the connecting rod 9 is in interference fit with the through hole on the clamping part 10 so that a static friction force preventing the connecting rod from falling off is formed between the clamping part 10 and the connecting rod 7; when the push rod 17 contacts with the lower end of the connecting rod 7, the push rod 17 pushes the connecting rod 7 to overcome the static friction force between the clamping part 10 and the connecting rod 7 and push the connecting rod 7 to move upwards, so that the clamping block 5 retracts into the first sliding groove 3 and is not extruded into a steel tube. Wherein, a movable cavity is arranged between the upper end surface of the clamping part 10 and the fixed disc 11 so as to meet the space required by the upward movement of the connecting rod 7 and prevent the occurrence of mechanical interference, which can be understood and understood by those skilled in the art and will not be described herein again.
Wherein the height of the third sliding groove 19 and the height of the push rod 17 are adapted to each other so that the movement of the push rod 17 does not damage the snap ring 20.
In some embodiments, the clamping block 5 is sleeved with a spring 8 for resetting the clamping block 5, one end of the spring 8 is fixedly installed on the wedge block 6, and the other end of the spring 8 is fixed in the first sliding groove 3, so that the clamping block 5 can retract into the first sliding groove when the connecting rod does not extrude the wedge block any more.
In some embodiments, the inner upper end of the outer sleeve 1 is mounted with a limiting ring 21 for limiting the position of the rotating disc 2, and the outer diameter of the fixed disc 11 is smaller than the inner diameter of the limiting ring 21 so that the fixed disc 11 can extend into the outer sleeve 1.
In some embodiments, the outer diameters of the pressing block 12 and the rotating plate 14 and the outer diameter of the steel flower tube 18 are adapted to each other so that the pressing block 12 and the rotating plate 14 can pass through the through hole of the rotating disk 2. When the rotating disk no longer follows the downward movement, the extrusion force is transmitted through the extrusion blocks and the rotating plate, and the rest steel flower tubes are completely pressed into the soil layer in an extrusion mode.
In some embodiments, the end of the clamping block 5 and the flower hole 1801 of the steel flower tube 18 are matched, so that the flower hole 1801 of the steel flower tube is used for locking the clamping block and the steel flower tube, no additional machining is needed for the steel flower tube, and the rotating disc and the steel flower tube can be locked together to form a whole.
In some embodiments, when there is no locking between the rotating disk and the steel flower tube, in order to ensure the nesting and installation of the steel flower tube, a screw rod is installed on the connecting rod, a locking nut is sleeved on the screw rod, and the steel flower tube 18 is locked by the locking nut to prevent the steel flower tube from falling.
In the using process of the grouting hole leading device for the loose fill layer, firstly, the arrangement position of a steel floral tube (namely, the central position of the grouting hole) is determined through measuring and setting-out, according to the arrangement position of the steel floral tube, an excavator clamps a fixed disc and drives the center of an outer sleeve to be aligned with the center of the grouting hole, the excavator drives the fixed disc and a rotating plate on the fixed disc to move downwards and drives the steel floral tube to move downwards through the contact between the rotating plate and the steel floral tube in the downward pressing process, the excavator drives a connecting rod to move downwards while pressing the fixed disc downwards so as to enable the connecting rod to extrude a wedge-shaped surface of a wedge-shaped block, so that the clamping block slides in a first sliding groove to enable the clamping block to clamp the steel floral tube, the steel floral tube and a rotating disc are connected into a whole, and a large-pitch thread is arranged between the rotating disc and the outer sleeve, the rotating disc can rotate in the downward movement process, so that the steel perforated pipe is driven to rotate, the steel perforated pipe is pressed downwards to perform spiral drilling, and the hole guiding efficiency of the grouting hole is improved; on the other hand, the invention integrates two processes of grouting hole leading and steel floral tube pressing into loose filling layer into one, which can greatly improve the grouting reinforcement efficiency. When the rotating disc descends along with the steel perforated pipe until the push rod is contacted with the connecting rod on the rotating disc, the push rod pushes the connecting rod upwards and drives the connecting rod to move upwards, the clamping block is driven to retract into the first sliding groove under the action of the spring, the rotating disc is separated from the steel perforated pipe, and the steel perforated pipe continues to move downwards under the action of the extrusion block until the steel perforated pipe is buried in the loose fill layer.
After finishing a steel floral tube and burying, excavator upward movement drives fixed disk and connecting rod upward movement together, and then drives the rotary disk upward movement together through the snap ring on the rotary disk, drives the outer sleeve upward movement together and removes to next slip casting hole position and carry out burying of a root steel floral tube when the rotary disk moves to the spacing collar at the interior top of outer sleeve, has the convenient characteristics of processing.
The invention can limit the process of embedding the steel perforated pipe into the loose fill layer through the action of the outer sleeve and the rotating disk, prevents the steel perforated pipe from inclining, solves the problem that the steel perforated pipe is easy to incline when pressed in the prior art, and improves the grouting reinforcement effect.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a slip casting hole leading device for loose fill layer for install the forearm front end at the excavator, its characterized in that, including being used for placing the outer sleeve on soil layer surface, the inner wall of outer sleeve is seted up threadedly, the cover is equipped with the rotary disk that can with screw thread interconnect on the outer sleeve, the through-hole with the mutual adaptation of external diameter of steel floral tube is seted up at the middle part of rotary disk, install at least three grip block that is used for centre gripping steel floral tube on the rotary disk, install on the rotary disk and be used for driving the grip block towards the steel floral tube or keep away from the connecting rod of steel floral tube motion, the upper end of connecting rod is connected with a footstep bearing, the peripheral cover of first footstep bearing is equipped with the fixed disk, the top of fixed disk is provided with the fastening portion that is used for the fastening at the forearm front end of excavator.
2. The grouting hole leading device for the loose fill layer as claimed in claim 1, wherein an extrusion block is further installed at the lower end of the fixed disc, a second thrust bearing is installed at the lower end of the extrusion block, and a rotating plate for contacting with the upper end face of the steel perforated pipe is fixedly installed on an inner ring of the second thrust bearing.
3. The grouting hole leading device for the loose fill layer as claimed in claim 2, wherein the rotary disk is provided with at least three first sliding grooves along a radial direction, the clamping block can move along a length direction of the first sliding grooves, the rotary disk is provided with a second sliding groove communicated with the first sliding grooves along a vertical direction, one end of the clamping block is connected with a wedge block, a wedge surface of the wedge block can extend out of the first sliding grooves and be located in the second sliding grooves, and a wedge surface matched with the wedge surface of the wedge block is arranged at the lower end of the connecting rod.
4. The grouting hole leading device for the loose fill as claimed in claim 3, wherein a third sliding groove is formed on the circumferential wall of the second sliding groove, the inner diameter of the third sliding groove is larger than that of the second sliding groove, and the connecting rod is provided with a snap ring with the third sliding groove adapted to each other.
5. The grouting hole leading device for the loose fill layer according to claim 4, wherein a limiting plate is mounted at the inner bottom of the outer sleeve, a through hole for a tempered pipe to pass through is formed in the middle of the limiting plate, a push rod is arranged on the limiting plate corresponding to the second sliding groove on the rotating disc, a clamping part is mounted on an inner ring of the first thrust bearing, a through hole is formed in the clamping part, and the upper end of the connecting rod is in interference fit with the through hole so that static friction force for preventing the connecting rod from falling off is formed between the clamping part and the connecting rod; when the push rod is contacted with the lower end of the connecting rod, the push rod provides thrust for the connecting rod to overcome static friction force between the clamping part and the connecting rod and push the connecting rod to move upwards, so that the clamping block retracts into the first sliding groove and does not extrude the steel perforated pipe.
6. The device for guiding the grouting hole in the loose fill layer as claimed in claim 5, wherein a spring for returning the clamping block is sleeved on the periphery of the clamping block, one end of the spring is fixedly arranged on the wedge-shaped block, and the other end of the spring is fixed in the first sliding groove.
7. The apparatus for introducing a grouting hole for a loose fill as claimed in any one of claims 1 to 6, wherein a stop collar for limiting the position of the rotating disc is installed at the inner upper end of the outer sleeve, and the outer diameter of the fixed disc is smaller than the inner diameter of the stop collar so that the fixed disc can be inserted into the outer sleeve.
8. The apparatus of claim 1, wherein the outer diameters of the extrusion block and the rotation plate are adapted to the outer diameter of the steel perforated pipe so that the extrusion block and the rotation plate can pass through the through hole of the rotation plate.
9. The apparatus of claim 1, wherein the end of the clamping block is fitted with a hole of a steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111414442.7A CN113914397B (en) | 2021-11-25 | 2021-11-25 | A slip casting hole guiding hole device for loose fill layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111414442.7A CN113914397B (en) | 2021-11-25 | 2021-11-25 | A slip casting hole guiding hole device for loose fill layer |
Publications (2)
| Publication Number | Publication Date |
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| CN113914397A true CN113914397A (en) | 2022-01-11 |
| CN113914397B CN113914397B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111414442.7A Active CN113914397B (en) | 2021-11-25 | 2021-11-25 | A slip casting hole guiding hole device for loose fill layer |
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| CN (1) | CN113914397B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622564A (en) * | 2022-04-26 | 2022-06-14 | 西南石油大学 | Bionic induction type biological grouting device for uniformly reinforcing foundation soil |
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| CN113529721A (en) * | 2021-07-15 | 2021-10-22 | 中国海洋大学 | Combined drilling and grouting pipe for grouting reinforcement of island reef weak stratum and construction method |
| CN113668503A (en) * | 2021-08-30 | 2021-11-19 | 段洪明 | Grouting device and grouting method for highway bridge construction |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040037652A1 (en) * | 2002-08-21 | 2004-02-26 | Ludwig Schmidmaier | Boring appliance |
| KR20090124890A (en) * | 2008-09-22 | 2009-12-03 | 피에스엔지니어링(주) | Helical-pile for direct-boring grouting and using methods thereof |
| KR20180019849A (en) * | 2016-08-17 | 2018-02-27 | 주식회사 대창중기계 | DCM soft ground improved apparatus and method using a ground rig |
| CN106638543A (en) * | 2016-12-16 | 2017-05-10 | 海南大学 | Coral sand solidification method |
| CN107120058A (en) * | 2017-06-19 | 2017-09-01 | 中冶成都勘察研究总院有限公司 | It is a kind of to be used for gravelly soil, the pore-forming grouting method of viscous soil horizon |
| CN211200361U (en) * | 2019-05-10 | 2020-08-07 | 浙江大东吴集团建设有限公司 | Manual hole digging pile construction device for complex stratum |
| CN113529721A (en) * | 2021-07-15 | 2021-10-22 | 中国海洋大学 | Combined drilling and grouting pipe for grouting reinforcement of island reef weak stratum and construction method |
| CN113668503A (en) * | 2021-08-30 | 2021-11-19 | 段洪明 | Grouting device and grouting method for highway bridge construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114622564A (en) * | 2022-04-26 | 2022-06-14 | 西南石油大学 | Bionic induction type biological grouting device for uniformly reinforcing foundation soil |
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| Publication number | Publication date |
|---|---|
| CN113914397B (en) | 2022-11-04 |
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