CN201250609Y - Negative-pressure cyclic rotating and impacting combined drill bit with built-in power - Google Patents
Negative-pressure cyclic rotating and impacting combined drill bit with built-in power Download PDFInfo
- Publication number
- CN201250609Y CN201250609Y CNU2008202009458U CN200820200945U CN201250609Y CN 201250609 Y CN201250609 Y CN 201250609Y CN U2008202009458 U CNU2008202009458 U CN U2008202009458U CN 200820200945 U CN200820200945 U CN 200820200945U CN 201250609 Y CN201250609 Y CN 201250609Y
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- drill bit
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- Expired - Fee Related
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Abstract
The utility model relates to a negative-pressure cyclic rotating and impacting combined drill bit with built-in power, which comprises a central gear, a central drill bit, more than one satellite gear, more than one satellite drill bit and a drill bit support; wherein, the central gear is engaged with the satellite gears; the drill stem of the central drill bit is assembled on the drill bit support through a bearing; the drill stems of the satellite drill bits are assembled on the drill bit support through bearings; the central gear driving the central drill bit and the satellite gears driving the satellite drill bits are arranged in a gear-sealing box arranged on the upper part of the drill bit support; a power unit-sealing box is arranged on the upper part of the gear-sealing box; a power unit which comprises a power motor and a reducer is arranged in the power unit-sealing box and connected with the drill stem of the central drill bit; and a vertical oil-flushing hole is arranged between the gear-sealing box and the power unit-sealing box. The utility model, which is applicable to the foundation construction of rock-entering piles in particular, has the advantages of rotating and impacting functions, high drilling speed, high construction efficiency, high-pressure slurry infusion and negative-pressure dregs extraction function and therefore can reduce the construction cost.
Description
Technical field
The utility model relates to employed built-in power negative pressure circulation rotary impact combined drill in a kind of drilled pile foundation construction.
Background technology
In the drilled pile foundation construction, to go into the rock stake and generally adopt the percussive drill construction, there are shortcomings such as mud circulation weak effect, rate of penetration is low, efficiency of construction is low, construction cost is high, disturbance is big in it; China Patent No. 98202606.4 discloses a kind of many drill bits of major diameter way-type drilling unit, it is to utilize when drilling rod drives the central axis revolution, central gear drives planetary gear and the rotation of planet drill bit, meanwhile, Jie's gear and planetary gear form the revolution moment of torsion by the power that its gear shaft imposes on housing, under the revolution moment loading, housing is made revolution motion; Though transmission mechanism seals,, its transmission of power is the same with existing rig, finishes by the drilling rod of continuous spreading in the boring of Ground Operation Mechanical Driven.Like this, the revolution motion of its housing can not artificially be controlled, and job state and drilling ability obviously do not improve, and is not therefore popularized and uses.
Summary of the invention
Main purpose of the present utility model is at the problems referred to above, and a kind of rotation and impact function, rate of penetration is fast, efficiency of construction is high built-in power negative pressure circulation rotary impact combined drill of having concurrently is provided.
Another purpose of the present utility model is at the problems referred to above, has that high-pressure slurry injects, negative pressure is taken out the built-in power negative pressure circulation rotary impact combined drill that the slag function reduces construction cost thereby provide a kind of on the basis of above-mentioned functions possessing.
The purpose of this utility model is achieved in that and comprises central gear, center bit, more than one planetary gear, more than one planet drill bit and drill bit support, central gear is meshed with planetary gear, the drilling rod of center bit is installed on the drill bit support by bearing, and the drilling rod of planet drill bit is installed on the drill bit support by bearing; The planetary gear of the central gear of transmission center bit and transmission planet drill bit is arranged in the gear stuffing box on drill bit support top; The top of gear stuffing box is provided with the power set stuffing box, in this power set stuffing box, be provided with the power set of forming by power motor and reductor, power set connect the drilling rod of center bit, are provided with between gear stuffing box and the power set stuffing box to go here and there oilhole up and down.
Another purpose of the present utility model realizes: on the basis of said structure, the upper head plate of drill bit support offers the opening that plugs the high-pressure slurry ascending pipe, and the upper head plate of drill bit support offers the opening that plugs the negative pressure dreg-drawing pipe.
The utility model can be provided with shaking device at the drill bit support, and this shaking device comprises taking over a business, chassis and seal disc, takes over a business with seal disc axially to be set on the drilling rod of center bit, and takes over a business with seal disc to be fixedly arranged on the drill bit support respectively; This chassis be arranged at and seal disc between little space of moving up and down, ccontaining chassis, the chassis is fixedly arranged on the drilling rod of center bit, and takes over a business with the chassis to be respectively equipped with the latch and the draw-in groove that can mate engagement; The rotation of the drilling rod by center bit, producing shake by relatively rotating of latch and draw-in groove changes; The effect of seal disc is to stop mud to enter shaking device inside.
The utility model can set firmly the connector on the drilling rod top that axially is set in center bit at the top of gear stuffing box.
The utility model at the top of power set stuffing box, is provided with the shadoof cover of the terminal head of shadoof that is used to set firmly combined drill, makes it in drilling process, can artificially reach in aboveground shadoof control drill bit orientation by combined drill vertically to exert pressure.
The utility model, the detachable protection slab of the sidepiece of drill bit support installing can the piecemeal dismounting, and its major function is that guiding lower floor slag inclusion mud enters the negative pressure dreg-drawing pipe.
The utility model, central gear and planetary gear can adopt the helical gear transmission, and the drilling rod of planet drill bit can be in tilted layout or horizontal arrangement; Center bit can adopt flange to be connected with its drilling rod respectively with the planet drill bit, certainly, also can adopt alternate manner to connect.
The utility model, the advantage of have rotation of having concurrently and impact function, rate of penetration is fast, efficiency of construction is high, high-pressure slurry injects, thereby negative pressure is taken out slag function reduction construction cost, be particularly useful for into the rock pile foundation construction, certainly, also be applicable to the drilled pile foundation construction of various execution conditions.
Following embodiment accompanying drawings is further described the utility model.
Description of drawings
Fig. 1 is the perspective view of an embodiment of the present utility model;
Fig. 2 is the perspective view of the partly cut-away of Fig. 1 embodiment;
Fig. 3 is the perspective view of the bulk-breaking assembling of Fig. 1 embodiment.
Among the figure, 1, central gear, 2, center bit, 3, planetary gear, 4, the planet drill bit, 5, the drill bit support, 6, bearing, 7, the gear stuffing box, 8, the power set stuffing box, 9, power motor, 10, reductor, 11, go here and there oilhole up and down, 12, the upper head plate of drill bit support, 13, plug the opening of high-pressure slurry ascending pipe, 14, plug the opening of negative pressure dreg-drawing pipe, 15, take over a business, 16, the chassis, 17, seal disc, 18, ccontaining chassis is little space of moving up and down, 19, latch, 20, draw-in groove, 21, connector, 22, the shadoof cover, 23, detachable protection slab, 24, the power line outlet.
The specific embodiment
Referring to figs. 1 through Fig. 3, present embodiment comprises a central gear 1 and center bit thereof 2, three planetary gears 3 and planet drill bit 4 and drill bit supports 5, central gear is meshed with planetary gear, the drilling rod of center bit is installed on the drill bit support by bearing 6, and the drilling rod of planet drill bit is installed on the drill bit support by bearing 6; The planetary gear 3 of the central gear 1 of transmission center bit and transmission planet drill bit is arranged in the gear stuffing box 7 on drill bit support 5 tops; The top of gear stuffing box 7 is provided with power set stuffing box 8, in this power set stuffing box 8, be provided with the power set of forming by power motor 9 and reductor 10, power line outlet 24 is set on this power set stuffing box 8, this power line outlet 24 also can oiling, the reductor of power set connects the top of the drilling rod of center bit by connector, is provided with between gear stuffing box 7 and the power set stuffing box 8 to go here and there oilhole 11 up and down; The upper head plate 12 of drill bit support offers the opening 13 that plugs the high-pressure slurry ascending pipe, and the upper head plate 12 of drill bit support offers the opening 14 that plugs the negative pressure dreg-drawing pipe; Drill bit support 5 is provided with shaking device, and this shaking device comprises taking over a business 15, chassis 16 and seal disc 17, take over a business 15 and seal disc 17 axially be set on the drilling rod of center bit, and take over a business 15 and seal disc 17 be fixedly arranged on drill bit support 5 respectively; This chassis 16 be arranged at 15 and seal disc 17 between little space of moving 18 up and down, ccontaining chassis, chassis 16 is fixedly arranged on the drilling rod of center bit, and take over a business 15 and chassis 16 be respectively equipped with the latch 19 and the draw-in groove 20 that can mate engagement, the rotation of the drilling rod by center bit, producing shake by relatively rotating of latch 19 and draw-in groove 20 changes; At the top of gear stuffing box 7, set firmly the connector 21 on the drilling rod top that axially is set in center bit; At the top of power set stuffing box 8, be provided with the shadoof cover 22 of the terminal head of shadoof that is used to set firmly combined drill; The detachable protection slab 23 of the sidepiece of drill bit support 5 installing can the piecemeal dismounting, and its major function is to be used to guide lower floor's slag inclusion mud to enter the negative pressure dreg-drawing pipe.
Use of the present utility model, this high-pressure slurry ascending pipe can directly be inserted to the drill bit end, and this negative pressure dreg-drawing pipe props up top of the trellis from drill bit and draws, and via the negative pressure box that connects ground after the wellhole, slag stone falls in the dreg-storing box, but periodic cleaning; Mud flows out dreg-storing box, and slush pump is installed in the negative pressure box, pumps into high-pressure slurry ascending pipe reusable edible through slush pump, and makes negative pressure box produce negative pressure simultaneously; In drilling process, the shadoof by combined drill is guaranteed full-face drilling in the aboveground drill bit orientation of controlling, such as, the foregoing description can swing back and forth greater than 120 degree, to get out circular hole; Take over a business 15 the latch 19 and the draw-in groove 20 on chassis 16 and can mate engagement, i.e. the rotation of the drilling rod by center bit, producing shake by relatively rotating of latch 19 and draw-in groove 20 changes.
The utility model, central gear 1 and planetary gear 3 can adopt the helical gear transmission, the drilling rod of planet drill bit can be in tilted layout, also can horizontal arrangement, center bit 2 can adopt flange to be connected with its drilling rod respectively with planet drill bit 4, like this, can be at any time bit change more, regulate the pile aperture that drill bit creeps into.
The utility model for large-diameter borehole pile foundation construction, the operation of deep water well sinking etc., can adopt many in parallel uses.
Claims (7)
1, a kind of built-in power negative pressure circulation rotary impact combined drill, comprise central gear (1), center bit (2), more than one planetary gear (3), more than one planet drill bit (4) and drill bit support (5), described central gear is meshed with planetary gear, the drilling rod of described center bit is installed on the drill bit support by bearing (6), and the drilling rod of described planet drill bit is installed on the drill bit support by bearing (6); It is characterized in that:
The planetary gear (3) of central gear of described transmission center bit (1) and described transmission planet drill bit is arranged in the gear stuffing box (7) on described drill bit support (5) top;
The top of described gear stuffing box (7) is provided with power set stuffing box (8), in this power set stuffing box (8), be provided with the power set of forming by power motor (9) and reductor (10), power set connect the drilling rod of center bit, are provided with between described gear stuffing box (7) and the power set stuffing box (8) to go here and there oilhole (11) up and down.
2, built-in power negative pressure circulation rotary impact combined drill according to claim 1, it is characterized in that: the upper head plate of described drill bit support (12) offers the opening (13) that plugs the high-pressure slurry ascending pipe, and the upper head plate of described drill bit support (12) offers the opening (14) that plugs the negative pressure dreg-drawing pipe.
3, claim 1 or 2 described built-in power negative pressure circulation rotary impact combined drills, it is characterized in that: described drill bit support (5) is provided with shaking device, this shaking device comprises taking over a business (15), chassis (16) and seal disc (17), describedly take over a business (15) and seal disc (17) axially is set on the drilling rod of center bit, and describedly take over a business (15) and seal disc (17) is fixedly arranged on drill bit support (5) respectively; This chassis (16) is arranged at described little space of moving (18) up and down, ccontaining chassis of taking over a business between (15) and the seal disc (17), described chassis (16) is fixedly arranged on the drilling rod of center bit, and describedly takes over a business (15) and chassis (16) and be respectively equipped with the latch (19) and the draw-in groove (20) that can mate engagement.
4, built-in power negative pressure circulation rotary impact combined drill according to claim 3 is characterized in that: at the top of described gear stuffing box (7), be installed with the connector (21) on the drilling rod top that axially is set in center bit.
5, built-in power negative pressure circulation rotary impact combined drill according to claim 4 is characterized in that: the top in power set stuffing box (8) is provided with the shadoof cover (22) of the terminal head of the shadoof that sets firmly combined drill.
6, built-in power negative pressure circulation rotary impact combined drill according to claim 5, it is characterized in that: the sidepiece of described drill bit support (5) is equiped with detachable protection slab (23).
7, built-in power negative pressure circulation rotary impact combined drill according to claim 6, it is characterized in that: described central gear (1) and planetary gear (3) adopt the helical gear transmission, and the drilling rod that forms the drilling rod of planet drill bit and center bit is in tilted layout or the structure of horizontal arrangement; Described center bit (2) adopts flange to be connected with its drilling rod respectively with planet drill bit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202009458U CN201250609Y (en) | 2008-09-22 | 2008-09-22 | Negative-pressure cyclic rotating and impacting combined drill bit with built-in power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202009458U CN201250609Y (en) | 2008-09-22 | 2008-09-22 | Negative-pressure cyclic rotating and impacting combined drill bit with built-in power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250609Y true CN201250609Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202009458U Expired - Fee Related CN201250609Y (en) | 2008-09-22 | 2008-09-22 | Negative-pressure cyclic rotating and impacting combined drill bit with built-in power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250609Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337898A (en) * | 2011-02-23 | 2012-02-01 | 沈绍成 | Planetary primary-secondary drill bit for extra-large tunnel shield machine |
| CN102677656A (en) * | 2012-04-11 | 2012-09-19 | 武汉武船机电设备有限责任公司 | Drilling tool |
| CN103306606A (en) * | 2013-06-28 | 2013-09-18 | 中国地质大学（武汉） | Planetary gear train energy-saving dual-layer drill for drilling of deep oil gas well |
| CN104948112A (en) * | 2015-05-27 | 2015-09-30 | 成都绿迪科技有限公司 | Drill head structure for knapping machine |
| CN105041220A (en) * | 2015-07-27 | 2015-11-11 | 王乐康 | Impact drill bit of full-hydraulic reverse circulation drilling machine |
| CN105673823A (en) * | 2016-04-20 | 2016-06-15 | 江苏广盛源科技发展有限公司 | Gearbox structure of lyocell filament spinning machine |
| CN106761418A (en) * | 2016-03-25 | 2017-05-31 | 泉州臻美智能科技有限公司 | A kind of three fast drill bits for boring deep-well |
| CN106761417A (en) * | 2016-03-25 | 2017-05-31 | 泉州臻美智能科技有限公司 | A kind of double speed for boring deep-well becomes twist-drill head |
| CN108397151A (en) * | 2018-02-23 | 2018-08-14 | 中国石油天然气股份有限公司 | Junk mill |
| CN108468328A (en) * | 2018-02-05 | 2018-08-31 | 浙江八达隧道工程股份有限公司 | A kind of artificial digging pile exempts from blasting digging method and its explosion-protection equipment |
| WO2019094899A1 (en) * | 2017-11-13 | 2019-05-16 | Baker Hughes, A Ge Company, Llc | Earth-boring drill bits with controlled cutter speed across the bit face, and related methods |
| CN110219588A (en) * | 2019-05-17 | 2019-09-10 | 浙江大学 | It is a kind of to bore the efficient rotary digging drill bit device of big section open caisson for stirring combination |
| CN111779454A (en) * | 2020-07-08 | 2020-10-16 | 袁思银 | Water conservancy dam body trompil device with drainage structure |
| CN113027332A (en) * | 2021-03-31 | 2021-06-25 | 中煤科工集团重庆研究院有限公司 | Cluster type drilling device and hole machining method |
| CN116084830A (en) * | 2023-03-07 | 2023-05-09 | 滨州市建设工程质量安全服务中心 | Soil layer construction drilling machine |
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2008
- 2008-09-22 CN CNU2008202009458U patent/CN201250609Y/en not_active Expired - Fee Related
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337898A (en) * | 2011-02-23 | 2012-02-01 | 沈绍成 | Planetary primary-secondary drill bit for extra-large tunnel shield machine |
| CN102337898B (en) * | 2011-02-23 | 2014-08-13 | 沈绍成 | Planetary primary-secondary drill bit for extra-large tunnel shield machine |
| CN102677656A (en) * | 2012-04-11 | 2012-09-19 | 武汉武船机电设备有限责任公司 | Drilling tool |
| CN102677656B (en) * | 2012-04-11 | 2015-07-29 | 武汉武船机电设备有限责任公司 | A kind of drilling tool |
| CN103306606A (en) * | 2013-06-28 | 2013-09-18 | 中国地质大学（武汉） | Planetary gear train energy-saving dual-layer drill for drilling of deep oil gas well |
| CN104948112A (en) * | 2015-05-27 | 2015-09-30 | 成都绿迪科技有限公司 | Drill head structure for knapping machine |
| CN105041220A (en) * | 2015-07-27 | 2015-11-11 | 王乐康 | Impact drill bit of full-hydraulic reverse circulation drilling machine |
| CN106761418B (en) * | 2016-03-25 | 2018-10-30 | 徐州市光荣铸造有限公司 | A kind of three fast drill bits for boring deep-well |
| CN106761417A (en) * | 2016-03-25 | 2017-05-31 | 泉州臻美智能科技有限公司 | A kind of double speed for boring deep-well becomes twist-drill head |
| CN106761417B (en) * | 2016-03-25 | 2018-11-16 | 扬州智创企业运营管理服务有限公司 | A kind of double speed change twist-drill head for boring deep-well |
| CN109162647A (en) * | 2016-03-25 | 2019-01-08 | 泉州臻美智能科技有限公司 | A kind of drill bit |
| CN106761418A (en) * | 2016-03-25 | 2017-05-31 | 泉州臻美智能科技有限公司 | A kind of three fast drill bits for boring deep-well |
| CN105673823A (en) * | 2016-04-20 | 2016-06-15 | 江苏广盛源科技发展有限公司 | Gearbox structure of lyocell filament spinning machine |
| WO2019094899A1 (en) * | 2017-11-13 | 2019-05-16 | Baker Hughes, A Ge Company, Llc | Earth-boring drill bits with controlled cutter speed across the bit face, and related methods |
| US10655395B2 (en) | 2017-11-13 | 2020-05-19 | Baker Hughes, A Ge Company, Llc | Earth-boring drill bits with controlled cutter speed across the bit face, and related methods |
| CN108468328A (en) * | 2018-02-05 | 2018-08-31 | 浙江八达隧道工程股份有限公司 | A kind of artificial digging pile exempts from blasting digging method and its explosion-protection equipment |
| CN108397151B (en) * | 2018-02-23 | 2020-07-10 | 中国石油天然气股份有限公司 | Grind shoe |
| CN108397151A (en) * | 2018-02-23 | 2018-08-14 | 中国石油天然气股份有限公司 | Junk mill |
| CN110219588A (en) * | 2019-05-17 | 2019-09-10 | 浙江大学 | It is a kind of to bore the efficient rotary digging drill bit device of big section open caisson for stirring combination |
| WO2020233127A1 (en) * | 2019-05-17 | 2020-11-26 | 浙江大学 | Efficient rotary drilling drill bit device with combined drilling and stirring for large-section open caisson |
| CN110219588B (en) * | 2019-05-17 | 2020-12-01 | 浙江大学 | Drilling and stirring combined large-section open caisson efficient rotary drilling bit device |
| CN111779454A (en) * | 2020-07-08 | 2020-10-16 | 袁思银 | Water conservancy dam body trompil device with drainage structure |
| CN111779454B (en) * | 2020-07-08 | 2022-02-25 | 高睿 | Water conservancy dam body trompil device with drainage structure |
| CN113027332A (en) * | 2021-03-31 | 2021-06-25 | 中煤科工集团重庆研究院有限公司 | Cluster type drilling device and hole machining method |
| CN113027332B (en) * | 2021-03-31 | 2024-03-29 | 中煤科工集团重庆研究院有限公司 | Cluster type drilling device and hole processing method |
| CN116084830A (en) * | 2023-03-07 | 2023-05-09 | 滨州市建设工程质量安全服务中心 | Soil layer construction drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20110922 |