CN210141098U - High-pressure jet grouting pile matching power device - Google Patents
High-pressure jet grouting pile matching power device Download PDFInfo
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- CN210141098U CN210141098U CN201920561694.4U CN201920561694U CN210141098U CN 210141098 U CN210141098 U CN 210141098U CN 201920561694 U CN201920561694 U CN 201920561694U CN 210141098 U CN210141098 U CN 210141098U
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- sprayer
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Abstract
The utility model relates to a high pressure jet grouting pile construction technical field, concretely relates to supporting power device of high pressure jet grouting pile. The lower end of the fixed shaft is respectively provided with a slurry outlet ejector, a water outlet ejector and a gas outlet ejector from top to bottom, a grouting pipe on the slurry outlet ejector extends to the power head along a gap between the fixed shaft and the hollow drill rod and is communicated with the grouting port, a water inlet pipe on the water outlet ejector extends to the power head along a gap between the fixed shaft and the hollow drill rod and is communicated with the water inlet, and a gas inlet pipe on the gas outlet ejector extends to the power head along a gap between the fixed shaft and the hollow drill rod and is communicated with the gas inlet. The utility model discloses the drilling rod need not repeated dismantlement, need not draw the hole, need not chiseling artifical exploratory hole concrete, has improved the diffusion scope of grout, has realized the zonulae occludens of curtain stake and fender pile, and the stagnant water effect is superior to the technology of the same kind.
Description
Technical Field
The utility model relates to a high pressure jet grouting pile construction technical field, concretely relates to supporting power device of high pressure jet grouting pile.
Background
In the foundation pit range of the rail transit R3 line Meng Jia Zhuang station in Jinan City, soil plain filling, loess-shaped silty clay and gravel soil are mainly used, strongly weathered amphibole and moderately weathered limestone are locally used, the geological conditions of a high water level gravel layer are arranged, and the underground water level is mainly influenced by a surrounding Meng Jia reservoir except the upper layer stagnant water. The Benjia reservoir belongs to seasonal ponding, and the water level receives the seasonal precipitation influence great, observes the highest water level of matter material Benjia zhuang reservoir according to 2015 in the hydrology and is higher than 7 meters in foundation ditch bottom.
The traditional double-pipe and triple-pipe process cannot form holes in the foundation pit range of the Mengfang station, and under other high-water-level gravel soil geological conditions, the holes are led by other equipment, so that the holes are easy to collapse when the holes are subjected to rotary spraying, and the like.
Therefore, a power device matched with the high-pressure jet grouting pile is needed to solve the problem of the complaint.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve traditional double pipe, the unable pore-forming of triple pipe technology under high water level metalling geological conditions, adopt other equipment to draw the hole and be carrying out the construction difficult points such as the hole that very easily collapses of spouting soon, adopt a high pressure to spout supporting power device of stake soon, improved the diffusion scope of grout, realized the zonulae occludens of curtain stake and fender pile, the stagnant water effect is superior to the technology of the same kind.
The utility model discloses a realize through following technical scheme: a power device matched with a high-pressure jet grouting pile comprises a drill carriage, wherein the drill carriage comprises a vehicle body, a mast arranged on the vehicle body, a power head with the upper end hung on a mast hoisting steel wire rope and matched with a mast side rail in a sliding manner, and a traction system for drawing the hoisting steel wire rope;
install water inlet, air inlet and slip casting mouth on the casing of unit head, install hollow drilling rod on the power take off end of unit head, the dead axle has been worn to the activity in the hollow drilling rod, on the upper end of dead axle is fixed in the power head, the lower extreme of dead axle is from last to installing out thick liquid sprayer, play water sprayer and the sprayer of giving vent to anger respectively down, and the slip casting pipe on the play thick liquid sprayer extends to the unit head and is linked together with the slip casting mouth along the clearance between dead axle and the hollow drilling rod and, and the last inlet tube of giving vent to anger on the sprayer extends to the unit head and is linked together with the water inlet along the clearance between dead axle and the hollow drilling rod.
As a technical scheme of the utility model further improve, be provided with drilling rod positioner on the automobile body, drilling rod positioner is clearance fit's spacing ring with hollow drill rod on installing the fixing base on the automobile body and being fixed in the fixing base.
Compared with the traditional double-tube and triple-tube process, the utility model has the advantages that:
1. the mechanical structure is simple, a one-time pore-forming pile-forming mode is adopted, the drill rod does not need to be repeatedly disassembled, a hole does not need to be led, and manual hole-probing concrete does not need to be chiseled.
2. The curtain pile is favorable for diffusion of cement paste, and the curtain pile and the support pile are tightly connected, so that the water stopping effect is ensured.
3. The utility model discloses the drilling rod need not repeated dismantlement, need not draw the hole, need not chiseling artifical exploratory hole concrete, has improved the diffusion scope of grout, has realized the zonulae occludens of curtain stake and fender pile, and the stagnant water effect is superior to the technology of the same kind.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the structure schematic diagram of the power device matched with the high-pressure jet grouting pile of the utility model.
In the figure: 1-vehicle body, 2-mast, 3-power head, 4-water inlet, 5-air inlet, 6-grouting port, 7-hollow drill rod, 8-slurry outlet ejector, 9-water outlet ejector, 10-air outlet ejector, 11-drill rod positioning device and 12-traction system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
A power device matched with a high-pressure jet grouting pile comprises a drill carriage, wherein the drill carriage comprises a vehicle body 1, a mast 2 arranged on the vehicle body 1, a power head 3 with the upper end hung on a hoisting steel wire rope of the mast 2 and matched with a side track of the mast 2 in a sliding way, a traction system 12 for drawing the hoisting steel wire rope,
install water inlet 4, air inlet 5 and slip casting mouth 6 on the casing of unit head 3, install hollow drilling rod 7 on the power take off end of unit head 3, the dead axle has worn to live in hollow drilling rod 7, the upper end of dead axle is fixed in on the unit head 3, the lower extreme of dead axle is from last to installing out thick liquid sprayer 8, play water sprayer 9 and the sprayer 10 of giving vent to anger respectively down, and the slip casting pipe on the sprayer 8 of giving out the thick liquid extends to unit head 3 and is linked together with slip casting mouth 6 along the clearance between dead axle and the hollow drilling rod 7, and the inlet tube on the sprayer 9 of giving vent to anger extends to unit head 3 and is linked together with water inlet 4 along the clearance between dead axle and the hollow drilling rod 7, and the inlet tube on the sprayer 10 of giving vent to anger extends to unit head 3 and is linked together with air inlet 5 along.
When the drilling machine is used, after a carriage of the drilling machine is in place, the power head 3 is started to rotate the hollow drill rod 7, the air compressor is started, high-pressure air enters the air inlet, is ejected out of the air outlet ejector 10 at the bottom of the hollow drill rod 7, simultaneously, high-pressure water enters the water inlet 4 and is ejected out of the water outlet ejector 9, the hollow drill rod 7 rotates, the high-pressure air and the high-pressure water jointly act to perform drilling, and after the drilling reaches a designed elevation, the drilling and the drilling are repeatedly carried out, so; and closing the high-pressure water, simultaneously enabling the high-pressure slurry to enter the grouting opening 6, spraying out from the slurry outlet sprayer 8, forming a pile body under the combined action of the rotation of the hollow drill rod 7, the high-pressure gas and the high-pressure slurry, and finally forming a pile through repeatedly lifting and lowering the drill up and down. The utility model discloses in, the relative unit head 3 of dead axle is motionless, and hollow drill rod 7 is dead axle and unit head 3 rotation relatively. Through the utility model discloses a traction system 12 drives hoist wire rope and can hang unit head 3 for mast 2 up-and-down motion.
If a hard rock stratum is met, a down-the-hole hammer impactor can be added at the bottom of the hollow drill rod 7 to complete the pile forming operation.
The utility model discloses in, it so goes out thick liquid sprayer 8, go out water sprayer 9 and give vent to anger sprayer 10 from last to arranging down, because it is located the middle part more powerful and the high-pressure rivers cutting that erupts that softens the soil body all around to go out water sprayer 9, simultaneously with be located the lower part and give vent to anger 10 spun highly-compressed air and produce the combined action, further strengthen the impact destructive power to the soil body, remove the rubble position, open the passageway, do benefit to follow-up upper portion and go out that the grout of 8 spun grouts effectively gets into by the reinforced region, the high-compressed air that sprayer 10 sprays of giving vent to anger simultaneously the lower part can increase the stirring mixing dynamics, and toward extruding all around with.
In order to avoid the deviation of the hollow drill rod 7 in the drilling process, the vehicle body 1 is provided with a drill rod positioning device 11, and the drill rod positioning device 11 comprises a fixed seat arranged on the vehicle body 1 and a limiting ring which is fixed on the fixed seat and is in clearance fit with the hollow drill rod 7.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A power device matched with a high-pressure jet grouting pile comprises a drill carriage, wherein the drill carriage comprises a vehicle body (1) and a mast (2) arranged on the vehicle body (1), and is characterized by further comprising a power head (3) with the upper end hung on a hoisting steel wire rope of the mast (2) and matched with a side track of the mast (2) in a sliding manner, a traction system (12) for drawing the hoisting steel wire rope,
install water inlet (4), air inlet (5) and slip casting mouth (6) on the casing of unit head (3), install hollow drilling rod (7) on the power take off end of unit head (3), the dead axle has been worn in hollow drilling rod (7) the activity, the upper end of dead axle is fixed in on unit head (3), the lower extreme of dead axle is from last to installing out thick liquid sprayer (8), play water sprayer (9) and giving vent to anger sprayer (10) respectively down, and the slip casting pipe on play thick liquid sprayer (8) extends to unit head (3) and is linked together with slip casting mouth (6) along the clearance between dead axle and hollow drilling rod (7) and the inlet pipe on play water sprayer (9) extends to unit head (3) and is linked together with water inlet (4) along the clearance between dead axle and hollow drilling rod (7), and the inlet pipe on the sprayer (10) of giving vent to anger extends to unit head (3) and is mutually with air inlet (5) along the clearance between dead axle and hollow drilling rod (7) And (4) communicating.
2. The power device matched with the high-pressure jet grouting pile is characterized in that a drill rod positioning device (11) is arranged on the vehicle body (1), and the drill rod positioning device (11) comprises a fixed seat arranged on the vehicle body (1) and a limiting ring which is fixed on the fixed seat and is in clearance fit with the hollow drill rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920561694.4U CN210141098U (en) | 2019-04-24 | 2019-04-24 | High-pressure jet grouting pile matching power device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920561694.4U CN210141098U (en) | 2019-04-24 | 2019-04-24 | High-pressure jet grouting pile matching power device |
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| CN210141098U true CN210141098U (en) | 2020-03-13 |
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| CN201920561694.4U Active CN210141098U (en) | 2019-04-24 | 2019-04-24 | High-pressure jet grouting pile matching power device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442986A (en) * | 2020-11-27 | 2021-03-05 | 核工业华东建设工程集团有限公司 | High-pressure grouting drilling and spraying integrated machine and using method thereof |
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2019
- 2019-04-24 CN CN201920561694.4U patent/CN210141098U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442986A (en) * | 2020-11-27 | 2021-03-05 | 核工业华东建设工程集团有限公司 | High-pressure grouting drilling and spraying integrated machine and using method thereof |
| CN112442986B (en) * | 2020-11-27 | 2022-03-25 | 核工业华东建设工程集团有限公司 | High-pressure grouting drilling and spraying integrated machine and using method thereof |
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