CN207739943U - A kind of mixing pile machine broken rock drill bit - Google Patents
A kind of mixing pile machine broken rock drill bit Download PDFInfo
- Publication number
- CN207739943U CN207739943U CN201820006303.8U CN201820006303U CN207739943U CN 207739943 U CN207739943 U CN 207739943U CN 201820006303 U CN201820006303 U CN 201820006303U CN 207739943 U CN207739943 U CN 207739943U
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- CN
- China
- Prior art keywords
- cutterhead
- rock
- mixing pile
- drill bit
- fixing bracket
- 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 - Fee Related
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of mixing pile machine broken rock drill bit, technical field of engineering equipment under possession designs to solve the problems, such as that cement mixing pile cannot enter rock.The utility model is by top rod, rock drilling part and stirs native part and forms；The top rod is inside and outside two layers of casing, and inner layer sleeve is linked together with cutterhead fixing bracket, is connected top rod with cutterhead fixing bracket by the Tenon hole on internal and external casing；The rock drilling part includes cutterhead fixing bracket and cutterhead, and cutterhead fixing bracket is formed by welded steel, and cutter and tooth lapping are fixed on cutterhead and gunniting hole is arranged；Described to stir native part include that flexible drill boom and stirring are bored, and flexible drill boom is controlled flexible by motor-driven screw rod, and the drill bit for stirring brill is provided with strain gauge.The utility model is simple in structure, engineering practicability is strong, can efficiently solve the problem of cement mixing pile cannot enter rock, and the application of cement mixing pile is made to be largely increased, and effectively facilitates the continuous development of underground engineering.
Description
Technical field
The utility model belongs to underground engineering equipment technical field, and in particular to a kind of mixing pile machine drill bit, more particularly to
A kind of mixing pile machine broken rock drill bit.
Background technology
Mixing pile most comes out earlier than early 1950s in the U.S..China has just been developed in the eighties is suitble to me
State's national conditions, with different characteristics and the professional Mixing Machine that mutually matches, and be widely used in foundation pit supporting project
In building enclosure and water-stop curtain.Although mixing pile construction has easy to operate, efficient, short time limit, at low cost, nothing in construction
Vibration, noiseless are polluted without mud waste water, lateral soil movement or the smaller advantage of protuberance, but current mixing pile mostly can only
It constructs, cannot construct in competent bed in the soil body.In the construction of current cement mixing pile, due to there is no coarse aggregate wherein
Main load bearing material is done, the strength of the mixing pile of the cement mixing pile of formation is not high, when Soil-cement is insufficient, construction matter
When amount is not high, it may appear that the problems such as necking down, broken pile, in order to solve problem above, in project of national nature science fund project (number:
41372288) under subsidy, great mass of data search, field research and related experiment have been carried out to be studied, invention is a kind of both
It can construct in competent bed, and can make the rock debris of generation as the coarse aggregate of cement mixing pile after broken rock, also
Cement grout can be fully mixed in the mixing pile machine broken rock drill bit of Rock And Soil.
Invention content
The purpose of this utility model is to provide a kind of mixing pile machine broken rock drill bit, which both can be in competent bed
Middle construction, and the rock debris of generation can be made as the coarse aggregate of cement mixing pile after broken rock, additionally it is possible to fully mix water
Slurry liquid is of simple structure and low cost, easy to operate, Technological Economy is feasible in Rock And Soil.
Technical solution adopted in the utility model is：A kind of mixing pile machine broken rock drill bit, it is by top rod, rock drilling portion
Divide and stir native part and forms；The top rod is inside and outside two layers of casing, and inner layer sleeve is linked together with cutterhead fixing bracket,
Top rod is connected with cutterhead fixing bracket by the Tenon hole on internal and external casing；The rock drilling part includes that cutterhead is fixed
Holder and cutterhead, cutterhead fixing bracket are formed by welded steel, and cutter and tooth lapping are fixed on cutterhead and gunniting hole is arranged；Institute
The native part of stirring stated includes that flexible drill boom is bored with stirring, and flexible drill boom controls flexible, stirring brill by motor-driven screw rod
Drill bit be provided with strain gauge.
The construction usage method of the utility model is：A kind of mixing pile machine broken rock drill bit, when construction, first according to putting in advance
Sample determines that stake seat in the plane is set, and disposes stake machine, and then hydraulic jack ejection stirring is bored, and stretching is flexible under the action of axial screw
Drill boom, the rotational agitation soil body；Increase when strain gauge detects pressure, and strain gauge forced compression is to pre-setting
Position after, system judgement is heavy to be drilled into lithosphere upper surface, and the drill boom that stretches is retracted during stirring bores, and hydraulic valve is unclamped, by jack
It bores with stirring and withdraws together, link into an integrated entity with cutterhead until stirring is bored；Broken rock bit is crept into, and cutter on cutterhead and is ground
Roll flute coordinates broken rock, cutter that Rock Cutting gets off, and broken sillar is ground into rock debris by tooth lapping, and rock debris stays in
The top in broken rock face；When broken rock drill bit is heavy bores broken rock to designed elevation, stirring is stretched out again and is bored, and stretches out the drill boom that stretches, is opened
Slurry pump is opened, is extruded cement mortar by Grouting Pipe, is whitewashed in Ti Zuan to being unearthed, top is bored since gunniting hole is located at stirring,
The cement grout of ejection is filled in the gap of Rock And Soil, can be stirred brill later and fully mix, form the pile body of high intensity；It is above-mentioned
After construction procedure, mobile stake machine continues next pile of constructing to next position, until all construction finishes.
The operation principle of the utility model is：A kind of mixing pile machine broken rock drill bit, drill bit, which possesses, stirs soil, two big work(of broken rock
Can, both stirring can be used to bore the stirring soil body, and cutterhead, cutter crushing hard rock mass can also be used so that the construction of mixing pile
It is no longer limited only in soil layer, but can expand to and construct in competent bed；Cutterhead rotation band moving knife when drill bit broken rock
Tool cuts rock from rock mass, and forms the smaller sillar of diameter, recycles tooth lapping that a part of sillar is further
Broken, the rock debris that these diameters differ can be combined fully during proposing brill whitewashing stirring with cement grout,
Rock debris acts on the pile body of high intensity as coarse-fine aggregate, formation；When proposing brill whitewashing stirring, since gunniting hole is located at stirring
Bore top, the cement grout of ejection is filled in after the gap of Rock And Soil and can be stirred brill and fully mix, improve cement grout with
The combination degree of Rock And Soil, to improve the intensity of pile body.
The utility model has the beneficial effects that：A kind of mixing pile machine broken rock drill bit, drill bit, which possesses, stirs soil, two big work(of broken rock
Can, it can construct in competent bed, the application field of cement mixing pile is greatly improved；The rock debris generated after broken rock
As the coarse aggregate of cement mixing pile, and the gunniting hole of drill bit is located on stirring brill, and the slurries of ejection can be in stirring brill
Effect is lower to be sufficiently stirred with Rock And Soil, and entire pile body connects into an entirety, increases substantially the intensity of pile body, simple in structure,
Engineering practicability is strong.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of mixing pile machine broken rock drill bit of the utility model.
Fig. 2 is a kind of top rod structural schematic diagram of mixing pile machine broken rock drill bit of the utility model.
Fig. 3 is a kind of cutter head structure enlarged drawing of mixing pile machine broken rock drill bit of the utility model.
Marginal data：(1)-top rod；(2)-cutterhead fixing bracket；(3)-cutterhead；(4)-cutter；(5)-tooth lapping；
(6)-gunniting hole；(7)-stirring is bored；(8)-stretch drill boom；(9)-strain gauge.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of mixing pile machine broken rock drill bit, it is by top rod (1), rock drilling part and stirs native part group
At；The top rod (1) is inside and outside two layers of casing, and inner layer sleeve is linked together with cutterhead fixing bracket (2), by inside and outside
Tenon hole on casing connects top rod (1) and cutterhead fixing bracket (2)；The rock drilling part includes that cutterhead fixes branch
Frame (2) and cutterhead (3), cutterhead fixing bracket (2) are formed by welded steel, and cutter (4) and tooth lapping are fixed on cutterhead (3)
(5) and gunniting hole (6) is set；The native part of stirring includes that (7) and flexible drill boom (8) are bored in stirring, and flexible drill boom (8) passes through electricity
The screw rod of machine driving is flexible to control, and the drill bit that (7) are bored in stirring is provided with strain gauge (9).
A kind of mixing pile machine broken rock drill bit when construction, determines that stake seat in the plane is set according to setting-out in advance first, disposes stake machine, so
(7) are bored in the ejection stirring of rear jack top, and the drill boom (8) that stretches, the rotational agitation soil body are stretched out under the action of axial screw；When
Strain gauge (9) detects pressure increase, and after strain gauge (9) forced compression to pre-set position, system
Judgement is heavy to be drilled into lithosphere upper surface, and the drill boom (8) that stretches is retracted to stir and be bored in (7), and hydraulic valve is unclamped, by jack and stirring brill
(7) it withdraws, links into an integrated entity with cutterhead (3) until (7) are bored in stirring together；Broken rock bit is crept into, the cutter on cutterhead (3)
(4) and tooth lapping (5) coordinates broken rock, cutter (4) that Rock Cutting gets off, and broken sillar is ground into rock by tooth lapping (5)
Clast, rock debris stay in the top in broken rock face；When broken rock drill bit is heavy bores broken rock to designed elevation, stirring is stretched out again and is bored
(7), and stretch out stretch drill boom (8), open slurry pump, cement mortar is extruded by Grouting Pipe, whitewash in Ti Zuan to be unearthed, by
It is located at stirring in gunniting hole (6) to bore above (7), the cement grout of ejection is filled in the gap of Rock And Soil, can be stirred brill later
(7) it fully mixes, forms the pile body of high intensity；After above-mentioned construction procedure, mobile stake machine continues to next position under construction
One pile, until all construction finishes.
Claims (1)
1. a kind of mixing pile machine broken rock drill bit, which is characterized in that it is by top rod, rock drilling part and stirs native part and forms；Institute
The top rod stated is inside and outside two layers of casing, and inner layer sleeve is linked together with cutterhead fixing bracket, passes through the tenon on internal and external casing
Mortise connects top rod with cutterhead fixing bracket；The rock drilling part includes cutterhead fixing bracket and cutterhead, and cutterhead is solid
Fixed rack is formed by welded steel, and cutter and tooth lapping are fixed on cutterhead and gunniting hole is arranged；The native part of stirring includes
Flexible drill boom and stirring are bored, and flexible drill boom is controlled flexible by motor-driven screw rod, and the drill bit for stirring brill is provided with stress
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006303.8U CN207739943U (en) | 2018-01-03 | 2018-01-03 | A kind of mixing pile machine broken rock drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006303.8U CN207739943U (en) | 2018-01-03 | 2018-01-03 | A kind of mixing pile machine broken rock drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207739943U true CN207739943U (en) | 2018-08-17 |
Family
ID=63121530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820006303.8U Expired - Fee Related CN207739943U (en) | 2018-01-03 | 2018-01-03 | A kind of mixing pile machine broken rock drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207739943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166931A (en) * | 2018-01-03 | 2018-06-15 | 山东科技大学 | A kind of mixing pile machine broken rock drill bit |
-
2018
- 2018-01-03 CN CN201820006303.8U patent/CN207739943U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166931A (en) * | 2018-01-03 | 2018-06-15 | 山东科技大学 | A kind of mixing pile machine broken rock drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20190103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |