CN203080527U - Drilling and spraying integrated foundation treating drilling tool assembly - Google Patents
Drilling and spraying integrated foundation treating drilling tool assembly Download PDFInfo
- Publication number
- CN203080527U CN203080527U CN 201320052071 CN201320052071U CN203080527U CN 203080527 U CN203080527 U CN 203080527U CN 201320052071 CN201320052071 CN 201320052071 CN 201320052071 U CN201320052071 U CN 201320052071U CN 203080527 U CN203080527 U CN 203080527U
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- tool assembly
- drill
- drill bit
- drilling
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Earth Drilling (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a drilling and spraying integrated foundation treating drilling tool assembly which comprises a drill bit and a drill stem. An air pipe and a material pipe which are separated are arranged in the drill stem, the material pipe is communicated with a material spraying hole arranged on the lateral wall of the lower portion of the drill stem, the lower end of the drill stem is fixedly connected with the drill bit, a pressure equalizing chamber is arranged in the lower portion of the drill stem, the air pipe is communicated with the pressure equalizing chamber, and more than two air spraying holes communicated with the outer side of the drill stem are arranged on the lateral wall of the pressure equalizing chamber. The drilling tool assembly enables high pressure air to fully cutting soil layers and pressure in spraying high pressure air to be even and can fully and forcefully mix soil and cement grout.
Description
Technical field
The utility model relates to a kind of drill tool assembly, and particularly a kind of brill sprays integrated ground handles drill tool assembly.
Background technology
The method of geotechnical engineering anti-seepage reinforcing processing at present is for boring spray one high pressure jet grouting, a kind of reciprocating high-pressure injection grouting foundation anti-seepage reinforcement method, melt boring and be one with high spray, water is installed in drilling rod or is starched gentle high-pressure injection pipeline, slurry is carried in outfit and water is gentle and lifting means, move to bore position with boring the walking chassis of irritating one, carry out drilling construction, high pressure slurry pump is carried high-pressure medium when creeping into, open air compressor machine when needing and carry gases at high pressure, high-pressure medium sprays prime stratum around the boring, cutting forms boring, from bottom to top carry out high pressure jet grouting again after arriving projected depth, and make mixing material, cement grout finally forms the cement-soil curtain in soil layer.
Its drill tool assembly structure comprises drill bit and drilling rod, separative tracheae and material pipe are set in the drilling rod, the material pipe is communicated with the material spraying hole of opening at the drilling rod lower sides, tracheae is communicated with the fumarole of opening at the drilling rod lower sides, fixedly connected with drill bit in the drilling rod lower end, chisel edge has cutting tip, is used for cutting the stratum.
Because above-mentioned drill tool assembly has only a single fumarole, the blind area that when cuts formation, has cutting, and during spray operation, the pressure-air that ejects from fumarole need stir the soil layer under cement grout and the cutting, form mixed serum, existing drill tool assembly is difficult to make cement grout and the abundant Forced Mixing of soil layer in the boring, can form the soil layer piece in the boring of being everlasting, and influences cement-soil curtain intensity.
The utility model content
Pressure was more even when technical problem to be solved in the utility model provided the more abundant cutting soil layer of a kind of pressure-air, inject high pressure air, and fully the brill of Forced Mixing soil and cement grout sprays integrated ground and handles drill tool assembly.
For solving the problems of the technologies described above, the utility model provides and has bored the integrated ground processing of spray drill tool assembly, comprise drill bit and drilling rod, separative tracheae and material pipe are set in the drilling rod, the material pipe is communicated with the material spraying hole of opening on the drilling rod lower sides, and fixedlying connected with drill bit in the drilling rod lower end, it is characterized in that: be provided with in the drilling rod bottom and all press the chamber, tracheae communicates with equal chambers of pressure, all presses the chamber sidewall to have the fumarole that communicates with the drilling rod outside more than two.
After adopting such structure, pressure-air is delivered to by the tracheae of drilling rod and is all pressed in the chamber, prolonging then and pressing all that a plurality of fumaroles spray on the sidewall of chamber outside drilling rod, make pressure-air along with drill bit rotates cutting bit soil layer on every side, all press the pressure of the pressure-air that the chamber can eject more even, by the little characteristics of atmospheric density, the rising that the air in the boring can more disperse is until discharging boring, in the process that air rises, abundant Forced Mixing soil and cement grout
The anterior direction of fumarole deflection drill bit of this drilling tool has 45 ° of inclination angles, makes to utilize the soil layer that pressure-air acts on not cutting or cutting the pressure of pressure-air to make things convenient for drill bit cutting soil layer, and can increase the effect of Forced Mixing soil and cement grout.
The fumarole section area sum of this drilling tool is not more than the tracheae section area, adopts such structure can guarantee the atmospheric pressure that fumarole sprays.
The drilling rod cross section of this drilling tool is square, adopts such structural advantages to be that square drilling rod has the space in rotary course and between the boring, conveniently makes the pressure-air that fumarole ejects discharge boring, and quickens mixing of cement grout and soil layer.
The chamber interior of all pressing of this drilling tool is shaped as the square of drilling rod cross section correspondence, all press on the four sides sidewall of chamber and be uniform-distribution with three fumaroles respectively, adopt such structure, every three fumaroles can be so that the pressure-air of ejection more disperses, pressure is more even, and it is best to stir the soil layer effect.
Below understand for convenience and will bore the integrated ground processing of spray drill tool assembly and simply be called drill tool assembly.
Description of drawings
Fig. 1 is the front view of this drill tool assembly.
Fig. 2 is the sectional view that this drill tool assembly prolongs the A-A direction.
Fig. 3 is the sectional view that this drill tool assembly prolongs the B-B direction.
The specific embodiment
As Figure 1-3, drill tool assembly comprises drill bit 2 and drilling rod 1, the cross sectional shape of drilling rod 1 is square, drilling rod 1 includes separative two carrier pipes, two carrier pipes are respectively tracheae 11, conveying water under high pressure or the material pipes 12 of high pressure cement slurries of carrying pressure-air, the radial direction of drilling rod 1 lower sides has material spraying hole 12a, and material pipe 12 is communicated with material spraying hole 12a;
The diameter of the tracheae 11 in the drilling rod 1 is 31mm, cross sectional shape square all the press chamber 13 corresponding with drilling rod 1 cross section arranged at drilling rod 1 bottom, tracheae 11 is communicated with all pressing chamber 13, all press on the four sides sidewall of chamber 13 and having 12 fumarole 11a, fumarole 11a axial direction deflection drill bit 2 below directions have 45 ° of inclination angles, making pressure-air can prolong fumarole 11a sprays to drill bit 2 belows with 45 ° of inclination angles, all press three the fumarole 11a that distributing uniformly on each face sidewall of chamber 13, the diameter of each fumarole 11a is 2mm, 12 fumarole 11a section area sums are less than tracheae 11 section area, the lower end of drilling rod 1 has screw thread at the internal projecting ring 14 that extends on the inwall of internal projecting ring 14 in drilling rod.
The boss 23 of drill bit 2 and the internal projecting ring of drilling rod 1 14 are fixedlyed connected by screw thread, drilling rod 1 in the horizontal plane projection less than drill bit 2 horizontal plane projections.
During use, to bore spray one chassis earlier and move to bore position, drill bit 2 is arranged on the bore position top, order about transmission system drive drilling rod 1 and drill bit 2 and horizontally rotate sinking, cutting tip 21 cuts formation of drill bit 2, in this process, water under high pressure prolongs material spraying hole 12a stratum around drilling rod 1 radial direction cutting drilling rod 1 of drilling rod 1 bottom, and the soil layer around the die-cut drilling rod 1 of water under high pressure becomes stream to mould shape; Pressure-air arrives by tracheae 11 earlier and all presses chamber 13, prolongs fumarole 11a afterwards with stratum around 45 ° of inclination angle cutting drilling rods 1, forms boring until desired depth, stops to carry water under high pressure;
Then, material pipe 12 in the drilling rod 1 is carried the high pressure cement slurries, the material spraying hole 12a that the high pressure cement slurries prolong drilling rod 1 bottom sprays to the radial direction of drilling rod 1, and the soil layer of high pressure cement slurries secondary injection, cutting boring inwall makes the soil layer of boring inwall more even, compactness is improved; This process mesohigh air still prolongs fumarole 11a and sprays downwards with 45 °, every three fumarole 11a can be so that the pressure-air of ejection be more even, do not spray the blind area, and by the little characteristics of atmospheric density, air in the boring can rise until discharging boring, in the process that air rises, abundant Forced Mixing soil and cement grout;
Order about transmission system and drive drilling rod 1 and upwards lifting of drill bit 2, drill bit 2 rises to and exceeds drill hole, stops to carry pressure-air, when cement grout is full of boring, stops to carry the high pressure cement slurries, bores spray one high pressure jet grouting and finishes.
Above-described only is a kind of embodiment of the present utility model; should be understood that; for the person of ordinary skill of the art; under the prerequisite that does not break away from the utility model principle; can also make some modification and improvement; these also should be considered as belonging to protection domain of the present utility model, such as, angle of the number of fumarole 11a, fumarole 11a deflection drill bit below or the like.
Claims (5)
1. bore the integrated ground of spray and handle drill tool assembly, comprise drill bit and drilling rod, separative tracheae and material pipe are set in the drilling rod, the material pipe is communicated with the material spraying hole of opening on the drilling rod lower sides, fixedly connected with drill bit in the drilling rod lower end, it is characterized in that: be provided with in the drilling rod bottom and all press the chamber, tracheae communicates with equal chambers of pressure, all presses the chamber sidewall to have the fumarole that communicates with the drilling rod outside more than two.
2. brill according to claim 1 sprays integrated ground handles drill tool assembly, it is characterized in that: the anterior direction of described fumarole deflection drill bit has 45 ° of inclination angles.
3. brill according to claim 1 sprays integrated ground handles drill tool assembly, and it is characterized in that: described fumarole section area sum is not more than the tracheae section area.
4. brill according to claim 1 sprays integrated ground handles drill tool assembly, and it is characterized in that: described drilling rod cross section is square.
5. brill according to claim 4 sprays integrated ground handles drill tool assembly, and it is characterized in that: the described chamber interior of all pressing is shaped as the square of drilling rod cross section correspondence, all presses on the four sides sidewall of chamber and is uniform-distribution with three fumaroles respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052071 CN203080527U (en) | 2013-01-30 | 2013-01-30 | Drilling and spraying integrated foundation treating drilling tool assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052071 CN203080527U (en) | 2013-01-30 | 2013-01-30 | Drilling and spraying integrated foundation treating drilling tool assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203080527U true CN203080527U (en) | 2013-07-24 |
Family
ID=48826383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320052071 Expired - Lifetime CN203080527U (en) | 2013-01-30 | 2013-01-30 | Drilling and spraying integrated foundation treating drilling tool assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203080527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046552A (en) * | 2013-01-30 | 2013-04-17 | 安徽水利开发股份有限公司 | Drilling and jetting integrated foundation treatment bottomhole assembly |
-
2013
- 2013-01-30 CN CN 201320052071 patent/CN203080527U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046552A (en) * | 2013-01-30 | 2013-04-17 | 安徽水利开发股份有限公司 | Drilling and jetting integrated foundation treatment bottomhole assembly |
| CN103046552B (en) * | 2013-01-30 | 2015-08-12 | 安徽水利开发股份有限公司 | High-pressure vibro-grouting basement process drill tool assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202337979U (en) | Air slurry separation device and drill rod combination structure with same | |
| CN202300203U (en) | Drill bit for nail-shaped two-way soil cement mixing pile forming machine | |
| CN102505683B (en) | Drilling tool for two-way soil-cement mixed pile | |
| CN107338790B (en) | Construction method of rotary spraying stirring composite pile | |
| CN104563099A (en) | Porous pipe method large-diameter high-pressure jet grouting pile construction method | |
| CN103046552A (en) | Drilling and jetting integrated foundation treatment bottomhole assembly | |
| KR20180129248A (en) | A excavation head | |
| KR101545254B1 (en) | Medium Pressure Grouting device and it's using a columnar structure construction method | |
| CN105350516B (en) | A kind of rock-soil layer material feeding modified reinforcing method | |
| CN203080527U (en) | Drilling and spraying integrated foundation treating drilling tool assembly | |
| CN204877330U (en) | High-pressure jet grouting combined drilling tool for drilling and protecting wall | |
| CN103758130A (en) | Multi-medium ultrahigh pressure nozzle | |
| CN104153744B (en) | Pore type geothermal well jet well-flushing device and method for jetting well-flushing by using same | |
| CN104612137A (en) | Perforated pipe method super-deep, fast, and super-large diameter high pressure chemical churning pile construction method | |
| KR100973745B1 (en) | Front Device for Grouting and Grouting Method using the same | |
| JP5717148B2 (en) | Underground consolidated body construction method | |
| CN204608791U (en) | Dipping type high pressure jet grouting ejector | |
| KR102098185B1 (en) | Excavation agitator with guide bit, high strength continuous wall formation and deep layer mixing processing method using the same | |
| KR101677933B1 (en) | Composition of the ground in soft ground reinforcement method | |
| KR20010108538A (en) | Grouting Method and Apparatus for Selected Chemical | |
| CN102900072A (en) | Heavy-caliber high-pressure spraying stirring drill and drilling spraying integrated construction method | |
| KR101174442B1 (en) | Grouting device for both injection and high-pressured jet and grouting method thereof | |
| CN114352189A (en) | Construction method of jet grouting pile | |
| CN203716154U (en) | Multi-medium ultrahigh-pressure sprayer | |
| CN210086228U (en) | High-pressure rotary jet grouting three-nozzle spray head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190702 Address after: 233010 No. 5183 Donghai Avenue, Bengbu City, Anhui Province Patentee after: Anhui Water Resources Development Co.,Ltd. Address before: 233010 South of Zhanggongshan Road, Donghai Avenue, Bengbu City, Anhui Province Patentee before: ANHUI WATER RESOURCES DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |