CN204457492U - A kind of auger device for the perforating of hard loess formation dry type - Google Patents
A kind of auger device for the perforating of hard loess formation dry type Download PDFInfo
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- CN204457492U CN204457492U CN201520047539.2U CN201520047539U CN204457492U CN 204457492 U CN204457492 U CN 204457492U CN 201520047539 U CN201520047539 U CN 201520047539U CN 204457492 U CN204457492 U CN 204457492U
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- perforating
- hard
- drill bit
- dry type
- loess formation
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Abstract
The utility model discloses a kind of auger device for the perforating of hard loess formation dry type.One end of a solid drill shaft is connected as one by Hexagonal jacket and drill bit one end, the drill bit other end and hard bite connect as one, the other end of solid drill shaft and drillstock and tapered end connect as one, wherein Hexagonal jacket inner chamber is provided with taper pin, and described solid drill shaft and helical blade connect as one.Drilling rod and drill bit adopt Hexagonal jacket to be removably connected by taper pin.Augers is both wings carbide drill, can change the drill bit of unlike material according to the soil body of different qualities.Can use having in yellow soil horizon of collapsibility to forbid to use in the water law hard loess formation engineering of creeping into, it is rational in infrastructure, drilling efficiency is high, noise is little, well solve perforating in loess formation and become the technical barriers such as low, the easy collapse hole of porosity, hole quality difference, removably connect, structure is simple, processing ease, easy to maintenance, be widely used in the perforating of hard loess formation dry type.
Description
Technical field
The utility model relates to a kind of auger device for the perforating of hard loess formation dry type of digging deep hole in blasting works.
Background technology
In the southern areas in NORTHWEST CHINA area, the North China Plain and northeast, ground mulching has large-area special thick soil layer, and the local loess degree of depth reaches 200 m ~ 300 m, and uniform soil quality, loose, macropore and worm channel are grown, and have the feature of vertical joints.Part loess formation deep based on loam and clay, and containing black iron manganese concretion, the ultrahard of calcareous cement (
f=4) the old loess and paleaosol of mid Pleistocene series, loess formation affects hardness by buried depth, high pressure, temperature, the cementing medium of soil layer etc. and increases, and reaches medium solid rock rank.Engineering practice and experimental study show, part loess under the selfweight stress of overlying soil or selfweight stress and subsidiary stress acting in conjunction, after water-soaked, structure destroy rapidly and occur significant additional sink, its intensity is also along with rapid reduction.The settlement by soaking of loess directly affects the intensity of loess.Infrastructure in the thick hard loess formation area of spy, ecological environment and national defence etc. all may run into various loess problem in building.And due to the special engineering properties of loess, have inevitable impact for a large amount of engineering construction on Canal in Loess Area.
Drill eye blasting has been widely used in many fields of the development of the national economy, and the man-hour shared by jewel hole is the longest, and the effect of drill eye blasting directly affects other operations and speed of application, engineering cost etc.Due to not matching of drill steel diameter, not only reduce rate of penetration, and bore bit and drill steel consumption are large, and the disconnected pricker casualty accident that easily meets accident, have a strong impact on perforating operation effectiveness and economic benefit.Because hard loess formation has settlement by soaking, the plastic strain special engineering properties such as large, easily occur collapse hole in the process of drilling, boring direction has and bores cave and exist, hole quality is poor, and drilling construction is very difficult.Common drilling rod boring is darker, and boring cave will be larger, and deslagging ability may be poorer, when the degree of depth is increased to a certain degree, will cause deslagging obstacle, and can only be forced to stop boring, drilling depth is difficult to ensure.Conventional wet perforating need use circulating flushing washing lotion, forbids to use in the water law engineering of creeping into and uses having yellow soil horizon of collapsibility, must consider the dedusting dust prevention of dry type perforating simultaneously.
Summary of the invention
Goal of the invention of the present utility model be to provide a kind of simple structure, light and flexible, processing ease, easy to maintenance, power consumption less, a kind of auger device for the perforating of hard loess formation dry type that efficiency is high.
For solving the deficiencies in the prior art, the technical solution of the utility model solves like this: a kind of auger device for the perforating of hard loess formation dry type is by drillstock, solid drill shaft, drill bit, helical blade, Hexagonal jacket, taper pin, bite and tapered end composition, special character of the present utility model is that one end of a solid drill shaft is connected as one by Hexagonal jacket and drill bit one end, the described drill bit other end and hard bite connect as one, the other end of described solid drill shaft and drillstock and tapered end connect as one, wherein Hexagonal jacket inner chamber is provided with taper pin, described solid drill shaft and helical blade connect as one.
Described solid drill shaft is the solid seamless steel pipe of band spiral.
Described helical blade is square steel hurricane band, and entirety is welded on solid drill shaft by the meticulous cladding of plasma panel.
Described drill bit is both wings carbide drill, and is connected with drilling rod by Hexagonal jacket and taper pin.
Compared with prior art, augers is both wings carbide drill to the utility model, can change the drill bit of unlike material according to the soil body of different qualities.Can use having in yellow soil horizon of collapsibility to forbid to use in the water law hard loess formation engineering of creeping into, it is rational in infrastructure, drilling efficiency is high, noise is little, well solve perforating in loess formation and become the technical barriers such as low, the easy collapse hole of porosity, hole quality difference, removably connect, structure is simple, processing ease, easy to maintenance, be widely used in the perforating of hard loess formation dry type.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to schematic diagram.
1-drillstock in figure; 2-drilling rod; 3-drill bit; 4-hurricane band; 5-Hexagonal jacket; 6-taper pin; 7-bite; 8-tapered end.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Shown in seeing figures.1.and.2, a kind of auger device for the perforating of hard loess formation dry type is made up of drillstock, solid drill shaft, drill bit, helical blade, Hexagonal jacket, taper pin, bite and tapered end, one end of a solid drill shaft 2 is connected as one by Hexagonal jacket 5 and drill bit 3 one end, described drill bit 3 other end and hard bite 7 connect as one, the other end of described solid drill shaft 2 and drillstock 1 and tapered end 8 connect as one, wherein Hexagonal jacket 5 inner chamber is provided with taper pin 6, and described solid drill shaft 2 connects as one with helical blade 4.
Described solid drill shaft is the solid seamless steel pipe of band spiral.
Described helical blade is square steel hurricane band, and entirety is welded on solid drill shaft by the meticulous cladding of plasma panel.
Described drill bit is both wings carbide drill, and is connected with drilling rod by Hexagonal jacket and taper pin.
As can be seen from Figure 1, hard loess formation dry type perforating auger, comprising a solid drill shaft 2, be welded on the square steel helical blade 4 auger stem at least being formed a spiral, in one end of solid drill shaft 2 with carbide cutting cutter 7 and drill bit 3, the tapered end 8 on a drillstock 1 and drillstock of the drilling rod other end and the Hexagonal jacket 5 of drilling rod and drill bit and taper pin connecting device 6.
Feature of the present utility model is: hard loess formation dry type perforating auger stem top by drillstock 1 and tapered end 8 be fixed in power set with its common rotation, transmit dynamic torque to drilling rod 2, under drilling rod axial compression and flywheel moment effect, alloy bite 7 on drill bit 3 turns round and cuts hard loess, soil slag rises to ground along the helical blade 4 on drilling rod surface, completes the operation of dry type perforating pore-forming.When auger stem 2 turns round, by helical blade 4 while deslagging, to hole wall extruding rock dust, can form the mud skin that one deck is finer and close on hole wall, this mud skin has Reinforcing hole wall, reduces the effect of collapse hole and bit freezing.When drilling rod is blocked by native slag, when causing plug-hole, the function utilizing drilling rod " to take off " ceaselessly loosens native slag and utilizes the function of conveying constantly to boring, to carry native slag from boring, the holding capacity of native slag between drilling rod and the soil body is reduced gradually, again the row's of getting through powder passage.Helical blade 4 is while deslagging, decrease the rotational resistance of drilling rod 2, decrease the axial rub resistance of drilling rod, when rig rotary torsion and end thrust constant, naturally drill bit is increased to the pressure at the bottom of the cutting torsion at the bottom of hole and drill bit 3 pairs of holes, drill bit 3 pairs of hole undercutting cut the increase of torsion and drill bit to the increase of pressure of the hole in the bottom, and therefore rate of penetration is fast, and efficiency is high.Arrange powder continuously in creeping into, save the time promoting drilling tool.Vibrate in drilling process, noise is very little, do not use mud, decrease environment pollution, improve work plane operating environment.
Solid drill shaft 2 in Fig. 1 except transmitting torque, helical blade 4 also to scrape cut, the native slag of discharging in boring, therefore need that there is enough torsional strengths, the row's of being easy to powder, wear-resisting, connect and reliably facilitate, and connect Hexagonal jacket 5 and do not hinder the discharge of native slag.Helical blade 4 at least formed one there is certain lead angle and the spiral of uniform pitch.Pitch and lead angle directly affect deslagging ability.
As can be seen from Figure 2, the utility model drill bit 3 and drilling rod 2 adopt Hexagonal jacket 5 to be removably connected by taper pin 6, and structure is simple, processing ease, easy to maintenance, can change suitable drill bit according to the soil body of different qualities, applied widely.One at least in part formed a spiral solid drill shaft, in one end of drilling rod with a drill bit of the bite of hard material and a drillstock, for dry type perforating auger is fixed in power set with its common rotation, transmit dynamic torque.Under utilizing drilling rod axial compression and flywheel moment effect, hard loess is cut in drill bit revolution, and native slag rises to ground along the helical blade on drilling rod surface, completes the operation of dry type perforating pore-forming.
Because drilling rod itself does not cut soil layer, and for reducing the frictional force of flight and hole wall, diameter 20 ~ 30 mms less of drill bit of drilling rod.During auger stem revolution, to hole wall extruding rock dust, the mud skin that one deck is finer and close can be formed on hole wall, have Reinforcing hole wall, reduce the effect of collapse hole bit freezing.When drilling rod is blocked by native slag, when causing plug-hole, the function utilizing drilling rod to take off ceaselessly loosens native slag and utilizes the function of conveying constantly to boring, to carry native slag from boring, the holding capacity of granulated slag between drilling rod and the soil body is reduced gradually, the row's of getting through powder passage again.
The utility model augers is both wings carbide drills, and is removably connected by Hexagonal jacket and taper pin and drilling rod, can change suitable drill bit according to the soil body of different qualities.
Claims (4)
1. the auger device for the perforating of hard loess formation dry type, this device is by drillstock, solid drill shaft, drill bit, helical blade, Hexagonal jacket, taper pin, bite and tapered end composition, it is characterized in that one end of a solid drill shaft (2) is connected as one by Hexagonal jacket (5) and drill bit (3) one end, described drill bit (3) other end and hard bite (7) connect as one, the other end of described solid drill shaft (2) and drillstock (1) and tapered end (8) connect as one, wherein Hexagonal jacket (5) inner chamber is provided with taper pin (6), described solid drill shaft (2) middle part connects as one with helical blade (4).
2. a kind of auger device for the perforating of hard loess formation dry type according to claim 1, is characterized in that described solid drill shaft is the solid seamless steel pipe of band spiral.
3. a kind of auger device for the perforating of hard loess formation dry type according to claim 1, it is characterized in that described helical blade is square steel hurricane band, and entirety is welded on solid drill shaft by the meticulous cladding of plasma panel.
4. a kind of auger device for the perforating of hard loess formation dry type according to claim 1, is characterized in that described drill bit is both wings carbide drill, and is connected with drilling rod by Hexagonal jacket and taper pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520047539.2U CN204457492U (en) | 2015-01-23 | 2015-01-23 | A kind of auger device for the perforating of hard loess formation dry type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520047539.2U CN204457492U (en) | 2015-01-23 | 2015-01-23 | A kind of auger device for the perforating of hard loess formation dry type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457492U true CN204457492U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520047539.2U Expired - Fee Related CN204457492U (en) | 2015-01-23 | 2015-01-23 | A kind of auger device for the perforating of hard loess formation dry type |
Country Status (1)
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|---|---|
| CN (1) | CN204457492U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939279A (en) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | For building the spiral drill component of water sample monitoring well |
| CN108979549A (en) * | 2018-08-03 | 2018-12-11 | 邹城兖矿泰德工贸有限公司 | Powder drill bit is arranged in dry type |
| CN110094168A (en) * | 2019-04-20 | 2019-08-06 | 中国二十冶集团有限公司 | The processing unit and its application method of cast-in-situ bored pile stone |
-
2015
- 2015-01-23 CN CN201520047539.2U patent/CN204457492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939279A (en) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | For building the spiral drill component of water sample monitoring well |
| CN108979549A (en) * | 2018-08-03 | 2018-12-11 | 邹城兖矿泰德工贸有限公司 | Powder drill bit is arranged in dry type |
| CN110094168A (en) * | 2019-04-20 | 2019-08-06 | 中国二十冶集团有限公司 | The processing unit and its application method of cast-in-situ bored pile stone |
| CN110094168B (en) * | 2019-04-20 | 2021-08-13 | 中国二十冶集团有限公司 | Treatment device for rock blocks of cast-in-situ bored pile and application method of treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160123 |
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| EXPY | Termination of patent right or utility model |