CN219240521U - Double-pipe jet grouting pile equipment with positioning mechanism - Google Patents
Double-pipe jet grouting pile equipment with positioning mechanism Download PDFInfo
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- CN219240521U CN219240521U CN202223355449.9U CN202223355449U CN219240521U CN 219240521 U CN219240521 U CN 219240521U CN 202223355449 U CN202223355449 U CN 202223355449U CN 219240521 U CN219240521 U CN 219240521U
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- 239000004568 cement Substances 0.000 claims abstract description 56
- 239000002002 slurry Substances 0.000 claims abstract description 43
- 238000005553 drilling Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 11
- 238000005507 spraying Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 241000220259 Raphanus Species 0.000 description 1
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses double-pipe jet grouting pile equipment with a positioning mechanism, which belongs to the technical field of foundation pit enclosure water stop and comprises a drill rod, wherein a high-pressure gas through pipe is arranged at the upper end inside the drill rod, high-pressure cement slurry pipes are arranged at the two sides of the high-pressure gas through pipe, a pneumatic cavity is arranged at the lower side of the high-pressure gas through pipe, and a high-pressure cement slurry channel is arranged at the lower side of the high-pressure cement slurry pipe.
Description
Technical Field
The utility model belongs to the technical field of foundation pit enclosure water stop, and particularly relates to double-pipe jet grouting pile equipment with a positioning mechanism.
Background
Building parts of speech, develop and utilize the underground space, build the method that various underground constructions such as multilayer basement, subway, underground commercial street are used. There are gravity type stirring pile retaining walls, underground continuous walls, pile row type retaining walls and the like. The stability of the foundation pit and the safety and convenience of the operation in the pit can be ensured, and the displacement of soil bodies at the pit bottom and outside the pit is controlled within a certain range, so that the normal use of adjacent buildings and municipal facilities is ensured.
Chinese patent application No. 2020213580487 discloses a pile forming device of a double-tube high-pressure jet grouting pile, comprising: the inner upper part of the drill rod is respectively provided with a high-pressure cement slurry channel and a high-pressure gas channel, the inner lower part of the drill rod is provided with a gas pressure cavity, the middle part of the outer wall of the drill rod is provided with a nozzle and a gas spraying port arranged around the nozzle, the high-pressure cement slurry channel is connected with the nozzle, and the high-pressure gas channel is respectively connected with the gas spraying port and the upper part of the gas pressure cavity; the cutting joint with the cutting cavity is arranged inside, the upper end of the cutting joint is connected with the lower end of the drill rod, an air pressure control valve is arranged between the air pressure cavity and the cutting cavity, a sliding block, a positioning spring and a plurality of cutting edges are arranged inside the cutting cavity, a sealed space is formed above the sliding block inside the cutting cavity, the upper end of the positioning spring is connected with the sliding block, the lower end of the positioning spring is fixed inside the cutting cavity, and the upper end of each cutting edge is hinged with the sliding block, and the lower end of each cutting edge extends out of the cutting joint. The utility model has the beneficial effects that: the cutting edge cuts the soil body during rotary spraying, compensates the spraying depth, enables the spraying slurry to have impact force, and avoids the generation of radish piles.
The high-pressure gas through pipe in the above-mentioned disclosed patent does not possess filtering capability, ventilates or when the high-pressure gas through pipe is not used in to the high-pressure gas through pipe, have impurity such as dust to get into in the high-pressure gas through pipe to lead to high-pressure gas channel to take place to block up, the nozzle of former device is when not letting in high-pressure gas simultaneously, and the outside grout of drilling rod easily flows backward in the nozzle, and the practicality is relatively poor.
Disclosure of Invention
In order to solve the problems in the background art, the utility model provides double-pipe jet grouting pile equipment with a positioning mechanism, which has the characteristics that the inside of a high-pressure gas through pipe has a filtering function, and a high-pressure gas channel is not easy to block.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-barrelled jet grouting pile equipment with positioning mechanism, includes the drilling rod, the inside upper end of drilling rod is provided with the high-pressure gas siphunculus, and high-pressure gas siphunculus both sides are provided with the high-pressure cement thick liquid pipe, and high-pressure gas siphunculus downside is provided with the atmospheric pressure chamber, and high-pressure gas siphunculus downside is provided with the high-pressure gas passageway, and high-pressure gas passageway downside one end is provided with the nozzle, and the nozzle downside is provided with the atmospheric pressure chamber, is provided with the inner tube between high-pressure cement thick liquid passageway and the atmospheric pressure chamber, and the atmospheric pressure chamber downside is provided with cutting tool mechanism, is provided with control valve mechanism between cutting tool mechanism and the atmospheric pressure chamber, and the inside filter equipment that is provided with of high-pressure gas siphunculus.
Preferably, the filter component comprises a filter screen, a right angle plate, connecting rods, fixing rings, fixing bolts and handles, wherein the fixing rings are arranged inside the high-pressure air through pipes, the filter screen is arranged in the fixing rings, the connecting rods are arranged on two sides of the upper ends of the fixing rings, the right angle plates are arranged on the upper ends of the connecting rods, the right angle plates are connected with the drill rods through the fixing bolts, and the handles are arranged on one sides of the upper ends of the right angle plates.
Preferably, the right angle plate is in sliding connection with the high-pressure air through pipe, the fixing ring is in sliding connection with the high-pressure air through pipe, and the upper end of the drill rod is provided with a threaded hole corresponding to the fixing bolt.
Preferably, an inclined surface block is arranged in the nozzle, a position corresponding to the inclined surface block in the drill rod is provided with a cavity, a fixed plate is arranged in the cavity, sliding rods are arranged on two sides of the upper end of the inclined surface block, and springs are arranged on the surfaces of the sliding rods between the inclined surface block and the fixed plate.
Preferably, the inclined plane block is in sliding connection with the drill rod and the sliding rod is in sliding connection with the fixing plate, and a limiting plate is arranged at the upper end of the sliding rod.
Preferably, one end of the inclined surface block, which is close to the middle position of the drill rod, is provided with an inclined surface structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the fixed ring is placed in the high-pressure gas through pipe by the aid of the filter assembly and the handheld handle, the fixed ring slides downwards on the inner wall of the high-pressure gas through pipe, after the lower end of the right-angle plate is contacted with the upper end of the drill rod, the right-angle plate is fixedly connected with the drill rod through the fixing bolts, so that the effect of fixing the fixed ring and the filter screen is achieved, the filter screen can filter gas entering the high-pressure gas channel, the filter assembly is arranged to filter the high-pressure gas through pipe, and the high-pressure gas through pipe is prevented from being blocked due to the fact that impurities are accumulated in the high-pressure gas through pipe for a long time.
2. According to the utility model, the inclined surface block is arranged, when high-pressure cement slurry is sprayed outwards through the nozzle, the high-pressure cement slurry pushes the inclined surface block to enter the cavity, meanwhile, the inclined surface block pushes the sliding rod to slide in the fixed plate of the cavity, the spring is compressed, when the nozzle stops spraying high-pressure cement slurry, the spring stretches to push the inclined surface block to reset, the inclined surface block can seal the nozzle, and the cement slurry outside the drill rod is prevented from flowing backwards into the nozzle when the nozzle does not spray high-pressure cement slurry.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a perspective view of a filter assembly of the present utility model;
FIG. 4 is an enlarged view of the utility model at A of FIG. 2;
in the figure: 1. a drill rod; 2. a cutter mechanism; 3. a nozzle; 4. a high pressure cement slurry pipe; 5. a high pressure gas through pipe; 6. a filter assembly; 61. a filter screen; 62. a right angle plate; 63. a connecting rod; 64. a fixing ring; 65. a fixing bolt; 66. a handle; 7. a high pressure gas passage; 8. a high pressure cement slurry passage; 9. an inner tube; 10. an air pressure chamber; 11. a control valve mechanism; 12. a bevel block; 13. a cavity; 14. a fixing plate; 15. a slide bar; 16. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a double-barrelled jet grouting pile equipment with positioning mechanism, including drilling rod 1, the inside upper end of drilling rod 1 is provided with high-pressure air siphunculus 5, high-pressure air siphunculus 5 both sides are provided with high-pressure cement thick liquid pipe 4, high-pressure air siphunculus 5 downside is provided with atmospheric pressure chamber 10, high-pressure cement thick liquid pipe 4 downside is provided with high-pressure cement thick liquid passageway 8, high-pressure air siphunculus 5 downside is provided with high-pressure gas passageway 7, high-pressure gas passageway 7 downside one end is provided with nozzle 3, nozzle 3 downside is provided with atmospheric pressure chamber 10, be provided with inner tube 9 between high-pressure cement thick liquid passageway 8 and the atmospheric pressure chamber 10, atmospheric pressure chamber 10 downside is provided with cutting tool mechanism 2, be provided with control valve mechanism 11 between cutting tool mechanism 2 and the atmospheric pressure chamber 10, the inside filter unit 6 that is provided with of high-pressure air siphunculus 5.
Specifically, the filter assembly 6 includes filter screen 61, right angle plate 62, connecting rod 63, solid fixed ring 64, fixing bolt 65 and carrying handle 66, wherein, the inside solid fixed ring 64 that is provided with of high-pressure gas siphunculus 5 is provided with filter screen 61 in the solid fixed ring 64, and guy fixed ring 64 upper end both sides are provided with connecting rod 63, and connecting rod 63 upper end is provided with right angle plate 62, connects through fixing bolt 65 between right angle plate 62 and the drilling rod 1, and right angle plate 62 upper end one side is provided with carrying handle 66.
Through adopting above-mentioned technical scheme, can play the filtration through setting up filter unit 6 to high-pressure gas siphunculus 5, avoid high-pressure gas siphunculus 5 to use for a long time to pile up impurity, cause high-pressure gas passageway 7 to take place to block up, unscrew fixing bolt 65 when need clear up filter screen 61, handheld carrying handle 66, can take out filter screen 61 from high-pressure gas siphunculus 5 through right angle plate 62, connecting rod 63 and solid fixed ring 64 and clear up.
Specifically, the right angle plate 62 is slidably connected with the high-pressure air through pipe 5, and the fixing ring 64 is slidably connected with the high-pressure air through pipe 5, and threaded holes corresponding to the fixing bolts 65 are formed in the upper end of the drill rod 1.
Through adopting above-mentioned technical scheme, make right angle plate 62 and high pressure gas siphunculus 5 and between solid fixed ring 64 and the high pressure gas siphunculus 5 laminate more, drilling rod 1 upper end is provided with the screw hole that corresponds with fixing bolt 65 and makes things convenient for fixing bolt 65's installation.
When the double-pipe jet grouting pile equipment with the positioning mechanism is used, the device is arranged at a proper position, after the drill rod 1 is paid out and fixed, high-pressure gas is introduced into the high-pressure gas through pipe 5, then high-pressure cement slurry is introduced into the high-pressure cement slurry pipe 4, the high-pressure gas enters the high-pressure gas channel 7 and enters the pneumatic cavity 10, meanwhile, the high-pressure cement slurry enters the inner pipe 9 through the high-pressure cement slurry channel 8 and is sprayed out through the nozzle 3, so that the soil on the surrounding wall is jet grouting construction, when the pile is formed at the lower part of the drilling, the control valve mechanism 11 is opened, the high-pressure gas pushes the cutting knife mechanism 2 to extend out of the drill rod 1, the soil around the drill rod 1 is subjected to supplementary cutting, meanwhile, the nozzle 3 sprays the high-pressure cement slurry, the pile body is always in the diameter after the high-pressure cement slurry spraying is finished, the hole wall is uniformly reinforced, through setting up filter component 6, handheld carrying handle 66 places solid fixed ring 64 in the high-pressure gas siphunculus 5, gu fixed ring 64 slides downwards at high-pressure gas siphunculus 5 inner wall, after right angle plate 62 lower extreme and drilling rod 1 upper end contact, connect solid fixed through fixing bolt 65 between right angle plate 62 and the drilling rod 1, thereby reach the effect of fixing gu fixed ring 64 and filter screen 61, filter screen 61 can filter the gas that gets into in the high-pressure gas passageway 7, can play the filtration through setting up filter component 6 to high-pressure gas siphunculus 5, avoid high-pressure gas siphunculus 5 to use for a long time and pile up impurity, cause high-pressure gas passageway 7 to take place to block up, need to clear up with fixing bolt 65 when filter screen 61, handheld carrying handle 66, can take out filter screen 61 from high-pressure gas siphunculus 5 through right angle plate 62, connecting rod 63 and solid fixed ring 64 and clear up.
Example 2
This embodiment differs from embodiment 1 in that: the nozzle 3 is provided with an inclined surface block 12, a cavity 13 is arranged in the drill rod 1 and corresponds to the inclined surface block 12, a fixed plate 14 is arranged in the cavity 13, two sides of the upper end of the inclined surface block 12 are provided with sliding rods 15, and a spring 16 is arranged on the surface of each sliding rod 15 between the inclined surface block 12 and the fixed plate 14.
Through adopting above-mentioned technical scheme, when high-pressure cement thick liquid outwards spouts through nozzle 3, and high-pressure cement thick liquid promotes inclined plane piece 12 and gets into cavity 13, and inclined plane piece 12 promotes slide bar 15 simultaneously and slides in the fixed plate 14 of cavity 13, and spring 16 receives the compression, and when nozzle 3 stopped spouting high-pressure cement thick liquid, spring 16 stretches and promotes inclined plane piece 12 and reset, and inclined plane piece 12 can carry out the shutoff to nozzle 3, avoids nozzle 3 when not spouting high-pressure cement thick liquid, and the outside cement thick liquid of drilling rod 1 flows backward in nozzle 3.
Specifically, the inclined surface block 12 is in sliding connection with the drill rod 1 and the slide rod 15 is in sliding connection with the fixed plate 14, and a limiting plate is arranged at the upper end of the slide rod 15.
Through adopting above-mentioned technical scheme, make laminating more between inclined plane piece 12 and the drilling rod 1, slide bar 15 can slide in fixed plate 14, and slide bar 15 upper end is provided with the limiting plate and can play the limiting displacement to inclined plane piece 12 of slide bar 15 lower extreme.
Specifically, one end of the bevel block 12, which is close to the middle position of the drill rod 1, is provided with a bevel structure.
By adopting the technical scheme, when the high-pressure cement slurry is sprayed outwards through the nozzle 3, the high-pressure cement slurry can push the inclined surface block 12 to enter the cavity 13 through the inclined surface.
When the high-pressure cement slurry is sprayed outwards through the nozzle 3, the high-pressure cement slurry pushes the inclined surface block 12 to enter the cavity 13, meanwhile, the inclined surface block 12 pushes the sliding rod 15 to slide in the fixed plate 14 of the cavity 13, the spring 16 is compressed, when the nozzle 3 stops spraying the high-pressure cement slurry, the spring 16 stretches to push the inclined surface block 12 to reset, the inclined surface block 12 can seal the nozzle 3, and the situation that the cement slurry outside the drill rod 1 flows backwards into the nozzle 3 when the nozzle 3 does not spray the high-pressure cement slurry is avoided.
The utility model discloses a pile forming device of a double-pipe high-pressure jet grouting pile, which is disclosed in China patent application No. 2020213580487, and comprises a drill pipe 1, a cutting knife mechanism 2, a nozzle 3, a high-pressure cement slurry pipe 4, a high-pressure gas through pipe 5, a high-pressure gas channel 7, a high-pressure cement slurry channel 8, an inner pipe 9, a pneumatic cavity 10 and a control valve mechanism 11.
The working principle and the using flow of the utility model are as follows: when the double-pipe jet grouting pile equipment with the positioning mechanism is used, the device is arranged at a proper position, after a drill rod 1 is paid out and fixed, high-pressure gas is introduced into a high-pressure gas through pipe 5, then high-pressure cement slurry is introduced into a high-pressure cement slurry pipe 4, the high-pressure gas enters a high-pressure gas channel 7 and enters a pneumatic cavity 10, meanwhile, the high-pressure cement slurry enters an inner pipe 9 from a high-pressure cement slurry channel 8 and is sprayed out from a nozzle 3, so that the soil on the surrounding wall is jet grouting construction, when the lower part of a drilling hole is formed, a control valve mechanism 11 is opened, the high-pressure gas pushes a cutting knife mechanism 2 to extend out of the drill rod 1, the soil around the drill rod 1 is complementarily cut, meanwhile, a nozzle 3 sprays the high-pressure cement slurry, the pile body is ensured to have a uniform pile diameter up and down, the hole wall is uniformly reinforced, and a filter assembly 6 is arranged, the fixed ring 64 is placed in the high-pressure gas through pipe 5 by the handheld lifting handle 66, the fixed ring 64 slides downwards on the inner wall of the high-pressure gas through pipe 5, after the lower end of the right angle plate 62 is contacted with the upper end of the drill rod 1, the right angle plate 62 is fixedly connected with the drill rod 1 through the fixed bolt 65, thereby achieving the effect of fixing the fixed ring 64 and the filter screen 61, the filter screen 61 can filter the gas entering the high-pressure gas through pipe 7, the filter assembly 6 can filter the high-pressure gas through pipe 5, the high-pressure gas through pipe 5 is prevented from being blocked by accumulating impurities after long-time use, the fixed bolt 65 is unscrewed when the filter screen 61 is required to be cleaned, the handheld lifting handle 66 can take the filter screen 61 out of the high-pressure gas through pipe 5 for cleaning through the right angle plate 62, the connecting rod 63 and the fixed ring 64, and the high-pressure cement slurry is sprayed outwards through the nozzle 3 by arranging the inclined surface block 12, the high-pressure cement slurry pushes the inclined surface block 12 to enter the cavity 13, meanwhile, the inclined surface block 12 pushes the sliding rod 15 to slide in the fixed plate 14 of the cavity 13, the spring 16 is compressed, when the nozzle 3 stops spraying the high-pressure cement slurry, the spring 16 stretches to push the inclined surface block 12 to reset, the inclined surface block 12 can seal the nozzle 3, and the situation that the cement slurry outside the drill rod 1 flows back into the nozzle 3 when the nozzle 3 does not spray the high-pressure cement slurry is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Double-barrelled jet grouting pile equipment with positioning mechanism, including the drilling rod, its characterized in that: the high-pressure cement slurry pipe is arranged at the upper end inside the drill rod, high-pressure cement slurry pipes are arranged at the two sides of the high-pressure cement pipe, an air pressure cavity is arranged at the lower side of the high-pressure cement slurry pipe, a high-pressure cement slurry channel is arranged at the lower side of the high-pressure cement pipe, a high-pressure air channel is arranged at one end of the lower side of the high-pressure air channel, a nozzle is arranged at the lower side of the nozzle, an inner pipe is arranged between the high-pressure cement slurry channel and the air pressure cavity, a cutting knife mechanism is arranged at the lower side of the air pressure cavity, a control valve mechanism is arranged between the cutting knife mechanism and the air pressure cavity, and a filtering component is arranged inside the high-pressure cement pipe.
2. A dual pipe jet grouting pile apparatus with a positioning mechanism as claimed in claim 1, characterised in that: the filter component comprises a filter screen, a right angle plate, connecting rods, a fixed ring, fixing bolts and a handle, wherein the fixed ring is arranged inside the high-pressure air through pipe, the filter screen is arranged in the fixed ring, the connecting rods are arranged on two sides of the upper end of the fixed ring, the right angle plate is arranged at the upper end of the connecting rods, the right angle plate is connected with the drill rod through the fixing bolts, and the handle is arranged on one side of the upper end of the right angle plate.
3. A dual pipe jet grouting pile apparatus with a positioning mechanism as claimed in claim 2, characterised in that: the right angle plate is in sliding connection with the high-pressure air through pipe, the fixing ring is in sliding connection with the high-pressure air through pipe, and the upper end of the drill rod is provided with a threaded hole corresponding to the fixing bolt.
4. A dual pipe jet grouting pile apparatus with a positioning mechanism as claimed in claim 1, characterised in that: the spray nozzle is characterized in that an inclined surface block is arranged in the spray nozzle, a cavity is formed in the drill rod at a position corresponding to the inclined surface block, a fixed plate is arranged in the cavity, sliding rods are arranged on two sides of the upper end of the inclined surface block, and springs are arranged on the surfaces of the sliding rods between the inclined surface block and the fixed plate.
5. The double-pipe jet grouting pile equipment with the positioning mechanism, according to claim 4, is characterized in that: the inclined plane piece is sliding connection with the drill rod and the slide bar is sliding connection with the fixed plate, and the upper end of the slide bar is provided with a limiting plate.
6. The double-pipe jet grouting pile equipment with the positioning mechanism, according to claim 4, is characterized in that: one end of the inclined surface block, which is close to the middle position of the drill rod, is arranged into an inclined surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355449.9U CN219240521U (en) | 2022-12-12 | 2022-12-12 | Double-pipe jet grouting pile equipment with positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355449.9U CN219240521U (en) | 2022-12-12 | 2022-12-12 | Double-pipe jet grouting pile equipment with positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219240521U true CN219240521U (en) | 2023-06-23 |
Family
ID=86848766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223355449.9U Active CN219240521U (en) | 2022-12-12 | 2022-12-12 | Double-pipe jet grouting pile equipment with positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219240521U (en) |
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2022
- 2022-12-12 CN CN202223355449.9U patent/CN219240521U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dual tube rotary jet pile equipment with positioning mechanism Granted publication date: 20230623 Pledgee: Bank of China Co.,Ltd. Dongguan Branch Pledgor: Guangdong Huanke Special Construction Engineering Co.,Ltd. Registration number: Y2024980031347 |