CN207092079U - A kind of engineering method rotary churning pile machine - Google Patents
A kind of engineering method rotary churning pile machine Download PDFInfo
- Publication number
- CN207092079U CN207092079U CN201720979386.4U CN201720979386U CN207092079U CN 207092079 U CN207092079 U CN 207092079U CN 201720979386 U CN201720979386 U CN 201720979386U CN 207092079 U CN207092079 U CN 207092079U
- Authority
- CN
- China
- Prior art keywords
- drill rod
- drill
- frame
- hole
- pile machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012407 engineering method Methods 0.000 title abstract description 9
- 238000005553 drilling Methods 0.000 claims abstract description 45
- 230000009467 reduction Effects 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 239000004568 cement Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- -1 strength Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a kind of engineering method rotary churning pile machine, including unit head frame, three derricks, three drilling rods, frame, three groups of blade rows and three drill bits, three derricks be arranged in parallel, the top of three derricks connects the unit head frame, the bottom of three derricks connects the frame, the unit head, which is set up, three unit head through holes, the frame is provided with three frame through holes, each drilling rod is stretched into the derrick from the unit head through hole, and stretched out from the frame through hole, the drilling rod slides up and down in the derrick, the bottom of each drilling rod is provided with drill bit, the top of each drill bit is provided with blade row.Above-mentioned engineering method rotary churning pile machine, its equipment is small, it is cheap, lower energy consumption, pile-forming effect is good, mechanical flexibility is good, easy to operate, operating personnel are few.
Description
Technical Field
The utility model belongs to the technical field of building foundation engineering equipment, concretely relates to worker's method spouts stake machine soon.
Background
The triaxial mixing pile in the market is widely applied to the fields of foundation pit support and foundation reinforcement, and has the advantages of high construction efficiency, wide applicable soil layer range, good pile body uniformity, high pile body strength and the like. The principle of the method is that a triaxial mixing pile machine is adopted to forcibly mix cement and soil in situ at the deep part of a soil layer (two shafts rotate in the same direction to spray mortar to mix with soil, a middle shaft reverse high-pressure air jet is fully stirred and mixed with the cement soil in a hole), and a cement soil consolidation body with certain strength is formed by utilizing the physical and chemical actions between the soil and cement hydrate, so that the characteristics of the soil such as strength, water permeability, bearing capacity and the like are improved. The main disadvantage is that the whole set of equipment is too heavy and inconvenient to transport and construct.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a worker's method spouts stake machine soon, overcomes above-mentioned defect, through the improvement to spouting stake machine structure, solves above-mentioned problem.
For solving the technical problem, the utility model provides a worker's method spouts stake machine soon, including power headstock, three derrick, three drilling rods, frame, three group's tool bars and three drill bit, three derrick parallel arrangement, the top of three derrick is connected the power headstock, the bottom of three derrick is connected the frame, the power headstock is equipped with three unit head through-hole, be equipped with three frame through-hole in the frame, every drilling rod certainly the unit head through-hole stretches into in the derrick, and follow stretch out in the frame through-hole, the drilling rod is in slide from top to bottom in the derrick, the bottom of every drilling rod is equipped with the drill bit, and the top of every drill bit is equipped with the tool bar.
As an optimal scheme of worker's method jet pile machine soon, power headstock includes three motor, three shunt, three reducing gear box and three unit head, motor, shunt, reducing gear box and unit head and drilling rod one-to-one, the shunt is connected on the top of drilling rod, the shunt is connected the unit head, the motor with reducing gear box electric connection, the reducing gear box is connected the unit head, the unit head drives the drilling rod rotates.
As the utility model relates to an engineering method spouts an optimal selection scheme of stake machine soon, the tool gang is the linearity.
As an engineering method spouts an optimal selection scheme of stake machine soon, engineering method spouts the stake machine soon still including removing the frame, it sets up to remove the frame with between the tool row.
As an embodiment of a worker's method spouts stake machine soon, three drilling rod is first drilling rod, second drilling rod and third drilling rod respectively, first drilling rod, second drilling rod and third drilling rod are parallel and arrange in proper order, it includes first guider, second guider and middle supporting rack to remove the frame, be equipped with first portable through-hole on the first guider, be equipped with second portable through-hole on the middle supporting rack, be equipped with third portable through-hole on the second guider, first drilling rod runs through first portable through-hole, the second drilling rod runs through second portable through-hole, the third drilling rod runs through third portable through-hole.
As an engineering method spouts an optimal selection scheme of stake machine soon, remove the frame still including removing the brace table, it sets up to remove the brace table the frame with between the middle supporting rack, be equipped with the brace hole on removing the brace table, the second drilling rod passes in proper order the brace hole with second removes the through-hole.
As an optimal scheme of worker's method jet grouting pile machine, first drilling rod, second drilling rod and third drilling rod are hollow tubular structure.
As an engineering method spouts an optimal scheme of stake machine soon, first drilling rod, second drilling rod and third drilling rod are auger stem, auger stem includes screw flange, core pipe, helical blade and stirring vane, the core pipe with helical blade passes through screw flange connects, the helical blade cover is located the outside of core pipe, helical blade sets up the lower part of core pipe, the intraductal being equipped with stirring vane.
As an optimal scheme of worker's method jet grouting pile machine, the screw thread direction of first drilling rod with the screw thread direction of third drilling rod is the same, the screw thread direction of second drilling rod with the screw thread opposite direction of first drilling rod.
As an engineering method spouts an optimal selection scheme of stake machine soon, be fixed with a plurality of high pressure nozzle on the lower surface of removal frame, high pressure nozzle aims at the drill bit.
Compared with the prior art, the utility model provides a worker's method spouts stake machine soon combines high pressure jet grouting and deep stirring. The size of the original drill rod can be changed by utilizing a high-pressure jet grouting technology, and the triaxial mixing pile adopts a drill rod with the diameter of phi 273mm and is relatively matched with a 90KW motor. And the high-pressure rotary spraying technology only needs to adopt a drill rod with the diameter of 127mm, and is relatively matched with a 55KW motor. The high-pressure rotating nozzle sprays cement slurry and high-pressure gas (0.7-0.8 Mpa) into a soil layer to be mixed with a soil body to form a continuously lapped cement reinforcement body (multiple stirring rotary spraying modes such as two-shaft same-direction high-pressure rotating spraying, air injection and soil mixing, middle-shaft reverse high-pressure spraying, air injection and cement soil fully stirring and mixing in a hole and the like), instead of relying on the stirring action of the blades, so that the process requirement is met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein,
fig. 1 is a schematic structural view of a rotary jet grouting pile machine of the present invention.
Wherein: 1 is a power head frame, 11 is a power head through hole, 12 is a motor, 13 is a flow divider, 14 is a reduction box, 15 is a power head, 2 is a derrick, 3 is a drill rod, 31 is a first drill rod, 32 is a second drill rod, 33 is a third drill rod, 4 is a frame, 41 is a frame through hole, 5 is a cutter row, 6 is a drill bit, 7 is a movable cutter frame, 71 is a first guide device, 711 is a first movable through hole, 72 is a middle support frame, 721 is a second movable through hole, 73 is a second guide device, 731 is a third movable through hole, 74 is a movable support table, and 741 is a support hole.
Detailed Description
The triaxial high-pressure jet grouting pile construction equipment consists of a jet grouting pile machine in a construction method and matched equipment:
1. the method is a jet grouting pile machine: the pile driver consists of a drilling machine and a pile driving frame.
2. The corollary equipment: mainly comprises a pulping station, an air compressor and a high-pressure pump.
The main improvement of the utility model lies in the working method jet grouting pile machine.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the following embodiments.
First, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Secondly, the utility model discloses utilize the structure schematic diagram etc. to describe in detail, when detailing the embodiment of the utility model discloses, for the convenience of explanation, the schematic diagram that shows a worker's method jet grouting pile machine structure can not do local enlargement according to general proportion, moreover the schematic diagram is the example only, and it should not limit the scope of the protection of the utility model here. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.
Example one
The structure of a rotary jet grouting pile machine in a construction method is introduced as follows:
please refer to fig. 1, fig. 1 is a schematic structural diagram of a rotary jet grouting pile machine according to the present invention. As shown in fig. 1, the rotary jet grouting pile machine for the construction method comprises a power head frame 1, three headframes 2, three drill rods 3, a frame 4, three cutter rows 5 and three drill bits 6, wherein the three headframes 2 are arranged in parallel, the top ends of the three headframes 2 are connected with the power head frame 1, the bottom ends of the three headframes 2 are connected with the frame 4, the power head frame 1 is provided with three power head through holes 11, the frame 4 is provided with three frame through holes 41, each drill rod 3 extends into the headframe 2 from the power head through hole 11 and extends out of the frame through hole 41, the drill rods 3 slide up and down in the headframe 2, the bottom end of each drill rod 3 is provided with a drill bit 6, and the.
The power head frame 1 comprises three motors 12, three shunts 13, three reduction boxes 14 and three power heads 15, the motors 12, the shunts 13, the reduction boxes 14 and the power heads 15 correspond to the drill rods 3 one by one, the top ends of the drill rods 3 are connected with the shunts 13, the shunts 13 are connected with the power heads 15, the motors 12 are electrically connected with the reduction boxes 14, the reduction boxes 14 are connected with the power heads 15, and the power heads 15 drive the drill rods 3 to rotate.
The power head 15 is a power source for forming holes and piles by the drilling machine, and is connected with a planetary reduction gearbox (not shown) through a gear coupling (not shown) by a motor 12, then transmits power to an output shaft through a gear (not shown), and an output flange (not shown) is connected with a connecting disc (not shown), a drill rod 3 and a drill bit 6 to perform drilling operation. The coupling disc is the component of the coupling action between the power head 15 and the drill rod 3.
The drill bits 6 are divided into a centering tip type hard soil drill bit and a fishtail type soft soil drill bit, different drill bits 6 can be selected to drill according to different geological conditions, and the functions of the drill bits are centering, cutting, conveying drill cuttings and drilling holes.
In one embodiment, the blade row 5 may be arranged linearly.
The rotary jet grouting pile machine in the construction method further comprises a movable rack 7, and the movable rack 7 is arranged between the rack 4 and the cutter row 5. The components include a sizing and guiding device for drilling holes, and an intermediate support 72 for allowing the three drill rods 6 to move up and down in the bladeless drill rod at a distance.
The three drill rods 3 are respectively a first drill rod 31, a second drill rod 32 and a third drill rod 33, the first drill rod 31, the second drill rod 32 and the third drill rod 33 are arranged in parallel and in sequence, and the movable rack 7 comprises a first guide device 71, a second guide device 73 and an intermediate support frame 72, so that the pile position is guided. The first guide device 71 is provided with a first moving through hole 711, the middle support frame 72 is provided with a second moving through hole 721, the second guide device 73 is provided with a third moving through hole 731, the first drill rod 31 penetrates through the first moving through hole 711, the second drill rod 32 penetrates through the second moving through hole 721, and the third drill rod 33 penetrates through the third moving through hole 731.
The movable frame 7 further includes a movable support 74, the movable support 74 is disposed between the frame 4 and the intermediate support frame 72, a support hole 741 is disposed on the movable support 74, and the second drill rod 32 sequentially passes through the support hole 741 and the second movable through hole 721.
The first drill rod 31, the second drill rod 32 and the third drill rod 33 are all hollow tubular structures.
The first drill rod 31 rotates in the same direction as the third drill rod 33 and the second drill rod 32 rotates in the opposite direction to the first drill rod 31.
Example two
The structure of the jet grouting pile machine in another construction method is described as follows:
please refer to fig. 1, fig. 1 is a schematic structural diagram of a rotary jet grouting pile machine according to the present invention. As shown in fig. 1, the rotary jet grouting pile machine for the construction method comprises a power head frame 1, three headframes 2, three drill rods 3, a frame 4, three cutter rows 5 and three drill bits 6, wherein the three headframes 2 are arranged in parallel, the top ends of the three headframes 2 are connected with the power head frame 1, the bottom ends of the three headframes 2 are connected with the frame 4, the power head frame 1 is provided with three power head through holes 11, the frame 4 is provided with three frame through holes 41, each drill rod 3 extends into the headframe 2 from the power head through hole 11 and extends out of the frame through hole 41, the drill rods 3 slide up and down in the headframe 2, the bottom end of each drill rod 3 is provided with a drill bit 6, and the.
The power head frame 1 comprises three motors 12, three shunts 13, three reduction boxes 14 and three power heads 15, the motors 12, the shunts 13, the reduction boxes 14 and the power heads 15 correspond to the drill rods 3 one by one, the top ends of the drill rods 3 are connected with the shunts 13, the shunts 13 are connected with the power heads 15, the motors 12 are electrically connected with the reduction boxes 14, the reduction boxes 14 are connected with the power heads 15, and the power heads 15 drive the drill rods 3 to rotate.
The power head 15 is a power source for forming holes and piles by the drilling machine, and is connected with a planetary reduction gearbox (not shown) through a gear coupling (not shown) by a motor 12, then transmits power to an output shaft through a gear (not shown), and an output flange (not shown) is connected with a connecting disc (not shown), a drill rod 3 and a drill bit 6 to perform drilling operation. The coupling disc is the component of the coupling action between the power head 15 and the drill rod 3.
The drill bits 6 are divided into a centering tip type hard soil drill bit and a fishtail type soft soil drill bit, different drill bits 6 can be selected to drill according to different geological conditions, and the functions of the drill bits are centering, cutting, conveying drill cuttings and drilling holes.
In one embodiment, the blade row 5 may be arranged linearly. In the present embodiment, the cutter row 5 may not be provided.
The rotary jet grouting pile machine in the construction method further comprises a movable rack 7, and the movable rack 7 is arranged between the rack 4 and the cutter row 5. The components include a sizing and guiding device for drilling holes, and an intermediate support 72 for allowing the three drill rods 6 to move up and down in the bladeless drill rod at a distance.
The three drill rods 3 are respectively a first drill rod 31, a second drill rod 32 and a third drill rod 33, the first drill rod 31, the second drill rod 32 and the third drill rod 33 are arranged in parallel and in sequence, and the movable rack 7 comprises a first guide device 71, a second guide device 73 and an intermediate support frame 72, so that the pile position is guided. The first guide device 71 is provided with a first moving through hole 711, the middle support frame 72 is provided with a second moving through hole 721, the second guide device 73 is provided with a third moving through hole 731, the first drill rod 31 penetrates through the first moving through hole 711, the second drill rod 32 penetrates through the second moving through hole 721, and the third drill rod 33 penetrates through the third moving through hole 731.
The movable frame 7 further includes a movable support 74, the movable support 74 is disposed between the frame 4 and the intermediate support frame 72, a support hole 741 is disposed on the movable support 74, and the second drill rod 32 sequentially passes through the support hole 741 and the second movable through hole 721.
The first drill rod 31, the second drill rod 32 and the third drill rod 33 are all auger rods, each auger rod comprises a threaded flange (not shown), a core pipe (not shown), a helical blade (not shown) and a stirring blade (not shown), the core pipe is connected with the helical blade through the threaded flange, the helical blade is sleeved outside the core pipe, the helical blade is arranged at the lower part of the core pipe, and the stirring blade is arranged in the core pipe.
The thread direction of the first drill rod 31 is the same as the thread direction of the third drill rod 33, and the thread direction of the second drill rod 32 is opposite to the thread direction of the first drill rod 31.
A plurality of high pressure nozzles (not shown) are fixed to the lower surface of the movable frame 7, and the high pressure nozzles are directed toward the drill 6.
It should be understood by those skilled in the art that one of the features or objects of the present invention is to: compared with the prior art, the rotary jet pile machine provided by the utility model has the advantages of small equipment, low cost, reduced energy consumption and good pile forming effect; the mechanical flexibility is good, the transportation cost is reduced, the operation is simple and convenient, and the number of operators is small.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A rotary jet grouting pile machine of a construction method is characterized in that: including power headstock, three derrick, three drilling rod, frame, three tool bars of group and three drill bit, three derrick parallel arrangement, the top of three derrick is connected the power headstock, the bottom of three derrick is connected the frame, the power headstock is equipped with three unit head through-hole, be equipped with three frame through-hole in the frame, every drilling rod certainly the unit head through-hole stretches into in the derrick, and follow stretch out in the frame through-hole, the drilling rod is in slide from top to bottom in the derrick, the bottom of every drilling rod is equipped with the drill bit, and the top of every drill bit is equipped with the tool bar.
2. The rotary jet grouting pile machine as claimed in claim 1, which is characterized in that: the power head frame comprises three motors, three shunts, three reduction boxes and three power heads, the motors, the shunts, the reduction boxes and the power heads correspond to the drill rods one to one, the shunts are connected to the top ends of the drill rods, the shunts are connected with the power heads, the motors are electrically connected with the reduction boxes, the reduction boxes are connected with the power heads, and the power heads drive the drill rods to rotate.
3. The rotary jet grouting pile machine as claimed in claim 1, which is characterized in that: the cutter row is linear.
4. The rotary jet grouting pile machine as claimed in claim 1, which is characterized in that: the rotary jet grouting pile machine for the construction method further comprises a movable rack, and the movable rack is arranged between the rack and the cutter row.
5. The rotary jet grouting pile machine as claimed in claim 4, which is characterized in that: the three drill rods are respectively a first drill rod, a second drill rod and a third drill rod, the first drill rod, the second drill rod and the third drill rod are parallel and sequentially arranged, the moving rack comprises a first guide device, a second guide device and a middle supporting frame, a first moving through hole is formed in the first guide device, a second moving through hole is formed in the middle supporting frame, a third moving through hole is formed in the second guide device, the first drill rod penetrates through the first moving through hole, the second drill rod penetrates through the second moving through hole, and the third drill rod penetrates through the third moving through hole.
6. The rotary jet grouting pile machine as claimed in claim 5, which is characterized in that: the movable rack further comprises a movable supporting platform, the movable supporting platform is arranged between the rack and the middle supporting frame, supporting holes are formed in the movable supporting platform, and the second drill rod sequentially penetrates through the supporting holes and the second movable through holes.
7. The rotary jet grouting pile machine as claimed in claim 5, which is characterized in that: the first drill rod, the second drill rod and the third drill rod are all hollow tubular structures.
8. The rotary jet grouting pile machine as claimed in claim 5, which is characterized in that: the first drill rod, the second drill rod and the third drill rod are all spiral drill rods, each spiral drill rod comprises a threaded flange, a core pipe, a spiral blade and a stirring blade, the core pipe is connected with the spiral blade through the threaded flange, the spiral blade is sleeved outside the core pipe, the spiral blade is arranged on the lower portion of the core pipe, and the stirring blade is arranged in the core pipe.
9. The rotary jet grouting pile machine as claimed in claim 8, which is characterized in that: the thread direction of the first drill rod is the same as that of the third drill rod, and the thread direction of the second drill rod is opposite to that of the first drill rod.
10. The rotary jet grouting pile machine as claimed in claim 4, which is characterized in that: and a plurality of high-pressure nozzles are fixed on the lower surface of the movable rack and are aligned with the drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720979386.4U CN207092079U (en) | 2017-08-08 | 2017-08-08 | A kind of engineering method rotary churning pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720979386.4U CN207092079U (en) | 2017-08-08 | 2017-08-08 | A kind of engineering method rotary churning pile machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207092079U true CN207092079U (en) | 2018-03-13 |
Family
ID=61544595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720979386.4U Active CN207092079U (en) | 2017-08-08 | 2017-08-08 | A kind of engineering method rotary churning pile machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207092079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951623A (en) * | 2018-07-25 | 2018-12-07 | 许校舟 | A kind of three axis high-pressure rotary-spray two-way stirring pile construction methods |
| CN110219583A (en) * | 2019-06-12 | 2019-09-10 | 湖南科技大学 | A kind of large aperture pineapple hair style hard rock is crushed impactor and breaking method |
-
2017
- 2017-08-08 CN CN201720979386.4U patent/CN207092079U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951623A (en) * | 2018-07-25 | 2018-12-07 | 许校舟 | A kind of three axis high-pressure rotary-spray two-way stirring pile construction methods |
| CN110219583A (en) * | 2019-06-12 | 2019-09-10 | 湖南科技大学 | A kind of large aperture pineapple hair style hard rock is crushed impactor and breaking method |
| CN110219583B (en) * | 2019-06-12 | 2020-07-24 | 湖南科技大学 | Large-aperture pineapple head type hard rock crushing impactor and crushing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102121350B (en) | Impulse type hydraulic rock drill | |
| CN102373883B (en) | Diving rock inserting drill rig | |
| CN102535450A (en) | Five-axis cement-soil mixing pile device and construction method | |
| CN207092079U (en) | A kind of engineering method rotary churning pile machine | |
| CN202430710U (en) | Five-axis concrete mixing pile device | |
| CN1297098A (en) | High-pressure water jet controllable spin drill bit | |
| CN104963626A (en) | Long spiral drilling machine used for forming long spiral broaching pile and pile forming method | |
| CN111305761A (en) | Multi-shaft jet grouting drilling tool and synchronous construction method for multiple jet grouting piles | |
| CN202913406U (en) | Six-axis cement soil mixing pile construction device for foundation reinforcement or foundation pit supporting | |
| CN201915831U (en) | Impact hydraulic rock drill | |
| CN208749298U (en) | Coal mine drilling expanding structure | |
| CN202123576U (en) | Stone pore-forming device | |
| JP2007204983A (en) | Swivel for soil excavating tool, and soil improving method | |
| CN115178580B (en) | Even-axis multi-stage high-pressure stirring liquid spraying device | |
| CN108797570B (en) | Stirring pile drilling machine | |
| CN115389260A (en) | High tailing dam deep drilling sampling equipment and method | |
| CN214301756U (en) | Double-shaft high-spraying pile machine | |
| CN215169757U (en) | Long auger drilling machine with earth cleaning function | |
| CN206143764U (en) | Multidirectional cement mixing method drilling tool of energy -conserving powerful self -reaction force | |
| CN109611025B (en) | Indoor multifunctional high-drilling-speed pore-forming equipment | |
| JP5985417B2 (en) | Ground improvement method by high-pressure jet stirring method | |
| CN203559775U (en) | Self-advancing explosion-proof high-pressure water jet drilling machine for coal mine | |
| CN214273491U (en) | Drilling and spraying integrated high-spraying pile machine capable of being used for boulder stratum construction | |
| CN204959760U (en) | Novel two high pressure jet shunts | |
| CN212716438U (en) | Construction equipment based on wind power foundation pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |