CN102392598B - Hydraulic vibration impactor and pile driving power head comprising same - Google Patents
Hydraulic vibration impactor and pile driving power head comprising same Download PDFInfo
- Publication number
- CN102392598B CN102392598B CN 201110286191 CN201110286191A CN102392598B CN 102392598 B CN102392598 B CN 102392598B CN 201110286191 CN201110286191 CN 201110286191 CN 201110286191 A CN201110286191 A CN 201110286191A CN 102392598 B CN102392598 B CN 102392598B
- Authority
- CN
- China
- Prior art keywords
- tube body
- piston
- annular piston
- transition shoulder
- power transmission
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to a hydraulic vibration impactor. A piston cylinder comprises inner pipe bodies which extend upwards and downwards along the axial direction and outer pipe bodies which are coaxially and fixedly connected and sleeved on the peripheries of the inner pipe bodies, wherein a central hole channel for directly or indirectly pouring concrete and positive and negative circulation drilling water or slurry is formed axially in each inner pipe body; each inner pipe body and each outer pipe body are encircled into an annular piston cavity; an annular piston is hermetically assembled in the annular piston cavity along the upward/downward direction in a guiding and sliding way; and the lower end of the annular piston is provided with a force transferring section which projects out of the annular piston cavity and is used for transferring vibrating impact force produced by the annular piston out through hydraulic vibrating impact energy. By adopting the hydraulic vibration impactor, the problem that the conventional hydraulic vibration impactor cannot be applied to a pile driving power head in combination with the concrete pouring channel is solved.
Description
Technical field
The present invention relates to the piling machinery field, relate in particular to the stake worker unit head of a kind of hydraulic vibration impactor and formation thereof.
Background technology
Unit head in stake worker basic engineering construction, plays crucial effects as the core component of rig.That Chinese patent CN 101067364A discloses is a kind of " diving spin hit unit head ", this unit head comprises the fire-proof motor that rotary drilling-head and rotary drilling-head top arrange and the reductor that is in transmission connection with fire-proof motor, and reductor is connected with the hollow spindle that is in transmission connection with described rotary drilling-head.Also be provided with the hydraulic vibration impactor above fire-proof motor, the hydraulic vibration impactor comprises the coaxial spindle drive bar that is arranged in the hollow spindle and transmits impact force to rotary drilling-head.
Rotary drilling-head vibration on one side under the effect of hydraulic vibration impactor and fire-proof motor during work, on one side precession.But adopt the unit head of this kind structure hydraulic vibrating impactor, owing to there is not the passage of concrete perfusion, therefore after drilling well finishes, could the danger that drilling well is caved in just take place easily to the down-hole concrete perfusion after unit head need being lifted out drilling well in the lifting process of unit head.
Summary of the invention
The object of the present invention is to provide a kind of hydraulic vibration impactor with endoporus, to solve that existing hydraulic vibration impactor can not be used with the concrete perfusion channel and the problem that is used for stake worker unit head.The present invention also aims to provide a kind of stake worker unit head that is constituted by this hydraulic vibration impactor.
In order to address the above problem, the technical scheme of hydraulic vibration impactor of the present invention is:
The hydraulic vibration impactor, piston rod comprises interior tube body and the coaxial sheathed outer tube body that is connected of interior tube body periphery that axially extends along the vertical direction, axially offer directly or indirectly for concrete perfusion along it in the interior tube body, the water of positive reverse circulation drilling or the central bore passage of mud, in described, outer tube body is enclosed to form the annular piston chamber, the slipper seal of leading along the vertical direction in the annular piston chamber is equipped with annular piston, and the lower end of described annular piston is provided with the power transmission section that protrudes from described annular piston chamber and be used for the vibratory impulse power that annular piston produces is passed by the hydraulic vibration impact energy.
The upper surface of described annular piston and the tube body wall of inside and outside body are enclosed to form the sealing nitrogen chamber for energy storage and damping nitrogen storage, be respectively equipped with upper and lower oil pocket between the tube body wall of described outer tube body and the described annular piston periphery wall, offer upper and lower oil duct on the outer tube body tube body wall corresponding with upper and lower oil pocket, described hydraulic vibration impactor also comprises the reversal valve that is communicated with described upper and lower oil pocket respectively by upper and lower oil duct.
Described annular piston comprises the plumbous cover of impact that is arranged at the interior piston bush in middle part, annular piston chamber and the setting of piston bush below, described power transmission section is arranged at described impact lead and puts, the power transmission section comprises being arranged at impacts the plumbous upper end of overlapping for the last power transmission end face that cooperates with the lower surface power transmission of piston bush, the power transmission section comprises that also being arranged at the lower end of impacting plumbous cover is used for the following power transmission end face that the vibratory impulse power with piston bush is passed by the hydraulic vibration impactor, is provided with the flexible restoring organ of elastic reset when impacting plumbous cover reception vibratory impulse power between the plumbous cover of described impact and outer tube body or the interior tube body.
The upper and lower end periphery of described piston bush is respectively equipped with upper piston transition shoulder and the lower piston transition shoulder of indent, and upper piston transition shoulder and lower piston transition shoulder are oppositely arranged; Be respectively equipped with upper tube body transition shoulder and the lower tube body transition shoulder of indent on the outer tube body with the corresponding position of described upper and lower piston transition shoulder, described upper oil cavitie is enclosed by upper piston transition shoulder and described upper tube body transition shoulder and forms; Described lower oil cavitie is enclosed by lower piston transition shoulder and described lower tube body transition shoulder and forms.
The technical scheme of stake worker unit head of the present invention is:
Stake worker unit head, comprise rotary drilling-head, motor and the Hollow Transmission Shafts that is in transmission connection between the two thereof, described stake worker unit head also comprises the hydraulic vibration impactor, described hydraulic vibration impactor comprises piston rod, piston rod comprises interior tube body and the coaxial sheathed outer tube body that is connected of interior tube body periphery that axially extends along the vertical direction, axially offer directly or indirectly for concrete perfusion along it in the interior tube body, the water of positive reverse circulation drilling or the central bore passage of mud, in described, outer tube body is enclosed to form the annular piston chamber, the slipper seal of leading along the vertical direction in the annular piston chamber is equipped with annular piston, and the lower end of described annular piston is provided with the power transmission section that protrudes from described annular piston chamber and be used for the vibratory impulse power that annular piston produces is delivered to by the hydraulic vibration impactor rotary drilling-head.
The upper surface of described annular piston and the tube body wall of inside and outside body are enclosed to form the sealing nitrogen chamber for energy storage and damping nitrogen storage, be respectively equipped with upper and lower oil pocket between the tube body wall of described outer tube body and the described annular piston periphery wall, offer upper and lower oil duct on the outer tube body tube body wall corresponding with upper and lower oil pocket, described hydraulic vibration impactor also comprises the reversal valve that is communicated with described upper and lower oil pocket respectively by upper and lower oil duct.
Described annular piston comprises the plumbous cover of impact that is arranged at the interior piston bush in middle part, annular piston chamber and the setting of piston bush below, described power transmission section is arranged at described impact lead and puts, the power transmission section comprises being arranged at impacts the plumbous upper end of overlapping for the last power transmission end face that cooperates with the lower surface power transmission of piston bush, the power transmission section also comprises being arranged at impacts the following power transmission end face that the plumbous lower end of overlapping cooperates for the direct or indirect power transmission of described rotary drilling-head, is provided with the flexible restoring organ of elastic reset when impact lead cover receives vibratory impulse power between the plumbous cover of described impact and described outer tube body or the interior tube body.
The upper and lower end periphery of described piston bush is respectively equipped with upper piston transition shoulder and the lower piston transition shoulder of indent, and described upper piston transition shoulder and described lower piston transition shoulder are oppositely arranged; Be respectively equipped with upper tube body transition shoulder and the lower tube body transition shoulder of indent on the described outer tube body with the corresponding position of described upper and lower piston transition shoulder, described upper oil cavitie is enclosed by described upper piston transition shoulder and described upper tube body transition shoulder and forms; Described lower oil cavitie is enclosed by described lower piston transition shoulder and described lower tube body transition shoulder and forms.
Described stake worker unit head also comprise the upper end that is fixed on described rotary drilling-head and with the protection tube of the coaxial setting of described piston rod, its length direction of outer peripheral face upper edge of described protection tube is provided with for the spiral vane that the dregs that drills through is delivered to the face of land when described protection tube creeps into rotary drilling-head.
Beneficial effect of the present invention: the present invention is by arranging central bore passage in interior tube body, stake worker unit head is after drilling well finishes, can be by central bore passage concrete perfusion in the drilling well, can realize concrete perfusion on one side, promote unit head on one side, drilling well can not caved in, simultaneously also can be by central bore passage to down-hole string water or mud when creeping into, water or mud mix the dregs that drills through, and extract to satisfy water or mud out positive and negative circulation construction technology by corresponding material-pumping tube then.
Description of drawings
Fig. 1 is the use state diagram of hydraulic vibration impactor embodiment of the present invention, also is the structural representation of stake worker unit head embodiment of the present invention simultaneously;
Fig. 2 is the A place enlarged drawing among Fig. 1.
The specific embodiment
The embodiment of hydraulic vibration impactor is shown in Fig. 1 ~ 2: comprise piston rod, piston rod comprises interior tube body 16 and the coaxial sheathed outer tube body 2 that is connected of interior tube body 16 peripheries that is wholely set and axially extends along the vertical direction with drilling rod 27, axially offers the central bore passage 17 that is directly used in concrete (or mud or water) perfusion along it in the interior tube body 16.Outer tube body 2 is enclosed to form the annular piston chamber with interior tube body 16, the slipper seal of leading along the vertical direction in the annular piston chamber is equipped with annular piston, annular piston comprises the plumbous cover 14 of impact that is arranged at the interior piston bush 18 in middle part, annular piston chamber and the setting of piston bush 18 belows, and the upper surface of piston bush 18 and the tube body wall of inside and outside body are enclosed to form the sealing nitrogen chamber 15 for energy storage and damping nitrogen storage.Upper piston transition shoulder 19 and lower piston transition shoulder 21 that the upper and lower end periphery of piston bush 18 is respectively equipped with a pair of indent and is oppositely arranged; The upper tube body transition shoulder 20 and the lower tube body transition shoulder 22 that are respectively equipped with a pair of indent and are oppositely arranged with the corresponding position of upper and lower piston transition shoulder on the outer tube body 2, upper piston transition shoulder 19 is enclosed to form upper oil cavitie 4 with upper tube body transition shoulder 20; Lower piston transition shoulder 21 is enclosed to form lower oil cavitie 5 with lower tube body transition shoulder 22.Offer oil duct 3 and following oil duct 6 respectively with the corresponding position of upper and lower oil pocket on the tube body wall of outer tube body 2, the periphery of outer tube body 2 be fixed with by upper and lower oil duct respectively with described on, the reversal valve 1 that is communicated with of oil pocket.Impact plumbous cover 14 and be provided with the power transmission section that protrudes from the annular piston chamber and be used for the vibratory impulse power that annular piston produces is passed by the hydraulic vibration impactor, the power transmission section comprises that the upper end that is arranged at the plumbous cover 14 of impact is used for the last power transmission end face that cooperates with the lower surface power transmission of piston bush 18, the power transmission section comprises that also being arranged at the lower end of impacting plumbous cover 14 is used for the following power transmission end face that the vibratory impulse power with piston bush 18 is passed by the hydraulic vibration impactor, and the plumbous cover 14 of described impact and described outer tube body 2 are provided with the flexible restoring organ of elastic reset when impacting plumbous cover 14 and receive the vibratory impulse power.Offer annular groove 13 in the outer tube body 2 week, impact plumbous cover 14 peripheries and be provided with the annular protrusion 12 of inserting in annular groove 13, annular groove 13 is enclosed to form the annular reseting cavity 23 of sealing with the periphery wall that impacts plumbous cover 14, and flexible restoring organ comprises the nitrogen of filling in the annular reseting cavity 23 of sealing.In other embodiment of this hydraulic vibration impactor, described flexible restoring organ can also be the back-moving spring that pushes up between the cell wall that is assigned in annular protrusion 12 and annular groove 13; Certain described annular groove 13 can also be opened in the periphery of interior tube body 16; Interior tube body 16 can also independently arrange respectively with drilling rod 27, and need be passed drilling rod 27 this moment by central bore passage 17, then the hydraulic vibration impactor is fixed on the drilling rod 27, and concrete is poured in drilling well by drilling rod 27; Certainly sealing nitrogen chamber 15 can also not have, and needs this moment control piston cover 18 stroke along the vertical direction so that the upper surface of piston bush 18 can not strike the cylinder body of piston rod; Impacting plumbous cover 14 can also be wholely set with piston bush 18.
During use, in sealing nitrogen chamber 15, fill nitrogen.At the periphery of outer tube body 2 electric machine support 8 that is connected, electric machine support 8 be provided with hydraulic electric motor 7 and with the reducer 24 of hydraulic electric motor 7 corresponding settings, with rotary drilling-head 9 coaxial being arranged on the interior tube body 16 that impacts plumbous cover 14 belows, rotary drilling-head comprise rotating part 25 and with lead the along the vertical direction oscillating component 26 of slidable fit of rotating part 25, oscillating component 26 cooperates with the following power transmission end face power transmission of impacting plumbous cover 14.Be fixed with on the rotating part 25 and the Hollow Transmission Shafts 11 of impacting the 14 coaxial settings of plumbous cover, Hollow Transmission Shafts 11 upper ends have ring gear, reducer 24 meshed transmission gear of ring gear and corresponding motor 7.Reversal valve 1 is connected with the high-pressure oil feed source, when upper oil cavitie 4 was oil-filled, oil pressure acted on the upper piston transition shoulder 19, in sealing nitrogen chamber 15 under the acting in conjunction of compressed nitrogen, annular piston 18 moves down and the plumbous cover 14 of impact, impacts plumbous cover 14 impact force is passed to rotary drilling-head 9; When lower oil cavitie 5 was oil-filled, oil pressure acted on the lower piston transition shoulder 21, moved on the annular piston 18, simultaneously, impacted under the nitrogen pressure effect of plumbous cover 14 in the annular reseting cavity 23 of sealing and resetted.Annular piston 18 reciprocating actions, make impact that plumbous cover 14 do not stop impact force is passed to rotary drilling-head 9.
The embodiment of stake worker unit head is shown in Fig. 1 ~ 2: comprise rotary drilling-head 9, hydraulic electric motor 7 and the Hollow Transmission Shafts 11 that is in transmission connection thereof between the two, a stake worker unit head also comprise the hydraulic vibration impactor.The concrete structure of hydraulic vibration impactor no longer is described in detail as described in the hydraulic vibration impactor embodiment herein.At the periphery of the outer tube body 2 of the hydraulic vibration impactor electric machine support 8 that is connected, hydraulic electric motor 7 and be arranged on the electric machine support 8 with the reducer 24 of hydraulic electric motor 7 corresponding settings.Rotary drilling-head comprise rotating part 25 and with lead the along the vertical direction oscillating component 26 of slidable fit of rotating part 25, oscillating component 26 cooperates with the following power transmission end face power transmission of impacting plumbous cover 14, be fixed with on the rotating part 25 and the Hollow Transmission Shafts 11 of impacting the 14 coaxial settings of plumbous cover, Hollow Transmission Shafts 11 upper ends have ring gear, reducer 24 meshed transmission gear of ring gear and corresponding motor 7.In other embodiment of this worker's unit head, described hydraulic electric motor 7 can also be fire-proof motor; Hollow Transmission Shafts 11 can also be arranged at hydraulic electric motor 7 and reducer 24 on the interior tube body 16 of top of hydraulic vibration impactor, and this moment, Hollow Transmission Shafts 11 was by passing in the central bore passage 17 and cooperating with rotating part 25 transmissions of rotary drilling-head 9.Stake worker unit head also comprise rotating part 25 upper ends that are fixed on described rotary drilling-head 9 and with the protection tube 29 of described piston rod 2 coaxial settings; the lower end of protection tube 29 is by bolt, nut body and rotating part 25 removable being connected, and its length direction of outer peripheral face upper edge of protection tube 29 is provided with for the spiral vane 28 that the dregs that drills through is delivered to the face of land when protection tins 29 is crept into rotary drilling-head 9.Certainly in other embodiment of this worker's unit head, protection tube 29 can also be fixed on the rotating part 25 by welding.
In the drilling process of rotary drilling-head 9, two kinds of drilling construction methods are arranged, 1, can't help to pour into to the down-hole in the central bore passage 17 water or the mud of positive reverse circulation drilling, at the rotating part 25 protection tube 29 that is connected, protection tube 29 had both played the protective effect to hydraulic vibration impactor and stake worker unit head, the dregs that rotary drilling-head 9 drills through can be delivered to the face of land again in drilling process; 2; Pour into water or the mud of positive reverse circulation drilling to the down-hole by central bore passage 17, this moment protection tube will protect tube 29 to pull down, in the drilling rod 27 material-pumping tube road that is connected, by the material-pumping tube road with water or mud extraction.
Motor 7 and the transmission stroke between the rotary drilling-head 9 in this worker's unit head are shorter, and the energy loss in the transmittance process of moment of torsion is less; When complicated hard formation and lithosphere crept into, the hydraulic pressure high-frequency percussion of hydraulic vibration impactor directly acted on the oscillating component 26 of rotary drilling-head 9, and the impact energy free of losses effectively raises drilling efficiency; Rotary drilling-head 9 vibrates while rotating, in that Different Strata (ovum granulosa, glued layer or rock stratum) is changed different rotary drill bit 9(when creeping into first-class such as cut drill, nip drum drill bit or Churn drill) can realize creeping into fast of unit head; The interior tube body 16 of employing hollow can be after creeping into end, and concrete perfusion improves construction quality at once, is fit to multiple worker's method construction.The change that its diameter of central bore passage 17(is can be as required suitable) efficiently solve the access issues of concrete perfusion and positive reverse circular technique construction, this is that other worker's unit head is not available.
Claims (7)
1. hydraulic vibration impactor, it is characterized in that: comprise piston rod, piston rod comprises interior tube body and the coaxial sheathed outer tube body that is connected of interior tube body periphery that axially extends along the vertical direction, axially offer directly or indirectly for concrete perfusion along it in the interior tube body, the water of positive reverse circulation drilling or the central bore passage of mud, in described, outer tube body is enclosed to form the annular piston chamber, the slipper seal of leading along the vertical direction in the annular piston chamber is equipped with annular piston, the lower end of described annular piston is provided with the power transmission section that protrudes from described annular piston chamber and be used for the vibratory impulse power that annular piston produces is passed by the hydraulic vibration impact energy, described annular piston comprises the plumbous cover of impact that is arranged at the interior piston bush in middle part, annular piston chamber and the setting of piston bush below, described power transmission section is arranged at described impact lead and puts, the power transmission section comprises being arranged at impacts the plumbous upper end of overlapping for the last power transmission end face that cooperates with the lower surface power transmission of piston bush, the power transmission section comprises that also being arranged at the lower end of impacting plumbous cover is used for the following power transmission end face that the vibratory impulse power with piston bush is passed by the hydraulic vibration impactor, is provided with the flexible restoring organ of elastic reset when impacting plumbous cover reception vibratory impulse power between the plumbous cover of described impact and outer tube body or the interior tube body.
2. hydraulic vibration impactor according to claim 1, it is characterized in that: the upper surface of described annular piston and the tube body wall of inside and outside body are enclosed to form the sealing nitrogen chamber for energy storage and damping nitrogen storage, be respectively equipped with upper and lower oil pocket between the tube body wall of described outer tube body and the described annular piston periphery wall, offer upper and lower oil duct on the outer tube body tube body wall corresponding with upper and lower oil pocket, described hydraulic vibration impactor also comprises the reversal valve that is communicated with described upper and lower oil pocket respectively by upper and lower oil duct.
3. hydraulic vibration impactor according to claim 1, it is characterized in that: the upper and lower end periphery of described piston bush is respectively equipped with upper piston transition shoulder and the lower piston transition shoulder of indent, and upper piston transition shoulder and lower piston transition shoulder are oppositely arranged; Be respectively equipped with upper tube body transition shoulder and the lower tube body transition shoulder of indent on the outer tube body with the corresponding position of described upper and lower piston transition shoulder, described upper oil cavitie is enclosed by upper piston transition shoulder and described upper tube body transition shoulder and forms; Described lower oil cavitie is enclosed by lower piston transition shoulder and described lower tube body transition shoulder and forms.
4. stake worker unit head, comprise rotary drilling-head, motor and the Hollow Transmission Shafts that is in transmission connection between the two thereof, described stake worker unit head also comprises the hydraulic vibration impactor, it is characterized in that: described hydraulic vibration impactor comprises piston rod, piston rod comprises interior tube body and the coaxial sheathed outer tube body that is connected of interior tube body periphery that axially extends along the vertical direction, axially offer directly or indirectly for concrete perfusion along it in the interior tube body, the water of positive reverse circulation drilling or the central bore passage of mud, in described, outer tube body is enclosed to form the annular piston chamber, the slipper seal of leading along the vertical direction in the annular piston chamber is equipped with annular piston, the lower end of described annular piston is provided with the power transmission section that protrudes from described annular piston chamber and be used for the vibratory impulse power that annular piston produces is delivered to by the hydraulic vibration impactor rotary drilling-head, described annular piston comprises the plumbous cover of impact that is arranged at the interior piston bush in middle part, annular piston chamber and the setting of piston bush below, described power transmission section is arranged at described impact lead and puts, the power transmission section comprises being arranged at impacts the plumbous upper end of overlapping for the last power transmission end face that cooperates with the lower surface power transmission of piston bush, the power transmission section also comprises being arranged at impacts the following power transmission end face that the plumbous lower end of overlapping cooperates for the direct or indirect power transmission of described rotary drilling-head, is provided with the flexible restoring organ of elastic reset when impact lead cover receives vibratory impulse power between the plumbous cover of described impact and described outer tube body or the interior tube body.
5. stake according to claim 4 worker unit head, it is characterized in that: the upper surface of described annular piston and the tube body wall of inside and outside body are enclosed to form the sealing nitrogen chamber for energy storage and damping nitrogen storage, be respectively equipped with upper and lower oil pocket between the tube body wall of described outer tube body and the described annular piston periphery wall, offer upper and lower oil duct on the outer tube body tube body wall corresponding with upper and lower oil pocket, described hydraulic vibration impactor also comprises the reversal valve that is communicated with described upper and lower oil pocket respectively by upper and lower oil duct.
6. stake according to claim 4 worker unit head, it is characterized in that: the upper and lower end periphery of described piston bush is respectively equipped with upper piston transition shoulder and the lower piston transition shoulder of indent, and described upper piston transition shoulder and described lower piston transition shoulder are oppositely arranged; Be respectively equipped with upper tube body transition shoulder and the lower tube body transition shoulder of indent on the described outer tube body with the corresponding position of described upper and lower piston transition shoulder, described upper oil cavitie is enclosed by described upper piston transition shoulder and described upper tube body transition shoulder and forms; Described lower oil cavitie is enclosed by described lower piston transition shoulder and described lower tube body transition shoulder and forms.
7. stake according to claim 4 worker unit head; it is characterized in that: described stake worker unit head also comprise the upper end that is fixed on described rotary drilling-head and with the protection tube of the coaxial setting of described piston rod, its length direction of outer peripheral face upper edge of described protection tube is provided with for the spiral vane that the dregs that drills through is delivered to the face of land when described protection tube creeps into rotary drilling-head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110286191 CN102392598B (en) | 2011-09-24 | 2011-09-24 | Hydraulic vibration impactor and pile driving power head comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110286191 CN102392598B (en) | 2011-09-24 | 2011-09-24 | Hydraulic vibration impactor and pile driving power head comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392598A CN102392598A (en) | 2012-03-28 |
| CN102392598B true CN102392598B (en) | 2013-08-14 |
Family
ID=45859968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110286191 Active CN102392598B (en) | 2011-09-24 | 2011-09-24 | Hydraulic vibration impactor and pile driving power head comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102392598B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720430B (en) * | 2012-06-18 | 2014-06-11 | 哈尔滨工业大学 | Coaxial integrated gyration and excitation drive device of drilling tools |
| CN102747958B (en) * | 2012-07-23 | 2015-01-07 | 中国石油大学(华东) | Compound vibrating well-drilling tool |
| CN106481272B (en) * | 2016-12-22 | 2018-06-15 | 杨静漪 | Single-stage driving hydraulic pressure puies forward brill formula dynamical system |
| CN113266277B (en) * | 2021-05-12 | 2024-05-14 | 上海申通地铁集团有限公司 | Drilling, injecting and pulling integrated drilling machine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2964153D1 (en) * | 1978-09-27 | 1983-01-05 | Labrue Jean Marie | Hollow auger for drilling when forming concrete piles |
| EP0283734A2 (en) * | 1987-03-27 | 1988-09-28 | Helmuth Römer | Percussive drilling apparatus with movable hammer head |
| FR2635129A1 (en) * | 1988-08-03 | 1990-02-09 | Cofor Cie Forage | Improvements to devices and methods for making concrete piles in the ground. |
| EP0687777A1 (en) * | 1994-06-16 | 1995-12-20 | Heiwerken P. van 't Wout Waddinxveen B.V. | Method for arranging concrete piles in the ground |
| DE10006973A1 (en) * | 2000-02-16 | 2001-09-06 | Bauer Spezialtiefbau | Displacement piledriver has vibrator downhole part of drillpipe as flexibly joined to surface part carrying drillpipe reciprocating rotation motor plus concreting pipe right through pipe. |
| CN2773298Y (en) * | 2004-11-23 | 2006-04-19 | 北京市三一重机有限公司 | Spiral drilling bit with telescopic tip |
| CN2861282Y (en) * | 2006-05-18 | 2007-01-24 | 欧阳甘霖 | Automatic compandor |
| CN1986109A (en) * | 2006-11-22 | 2007-06-27 | 夏德仕 | Electrohydraulic hammer |
| GB2440939A (en) * | 2006-04-18 | 2008-02-20 | Cie Du Sol | Cutting head provided with a retractable threading means |
| CN202227979U (en) * | 2011-09-24 | 2012-05-23 | 邵金安 | Hydraulic vibration impacter and piling power head formed by same |
-
2011
- 2011-09-24 CN CN 201110286191 patent/CN102392598B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2964153D1 (en) * | 1978-09-27 | 1983-01-05 | Labrue Jean Marie | Hollow auger for drilling when forming concrete piles |
| EP0283734A2 (en) * | 1987-03-27 | 1988-09-28 | Helmuth Römer | Percussive drilling apparatus with movable hammer head |
| FR2635129A1 (en) * | 1988-08-03 | 1990-02-09 | Cofor Cie Forage | Improvements to devices and methods for making concrete piles in the ground. |
| EP0687777A1 (en) * | 1994-06-16 | 1995-12-20 | Heiwerken P. van 't Wout Waddinxveen B.V. | Method for arranging concrete piles in the ground |
| DE10006973A1 (en) * | 2000-02-16 | 2001-09-06 | Bauer Spezialtiefbau | Displacement piledriver has vibrator downhole part of drillpipe as flexibly joined to surface part carrying drillpipe reciprocating rotation motor plus concreting pipe right through pipe. |
| CN2773298Y (en) * | 2004-11-23 | 2006-04-19 | 北京市三一重机有限公司 | Spiral drilling bit with telescopic tip |
| GB2440939A (en) * | 2006-04-18 | 2008-02-20 | Cie Du Sol | Cutting head provided with a retractable threading means |
| CN2861282Y (en) * | 2006-05-18 | 2007-01-24 | 欧阳甘霖 | Automatic compandor |
| CN1986109A (en) * | 2006-11-22 | 2007-06-27 | 夏德仕 | Electrohydraulic hammer |
| CN202227979U (en) * | 2011-09-24 | 2012-05-23 | 邵金安 | Hydraulic vibration impacter and piling power head formed by same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392598A (en) | 2012-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2906026Y (en) | Double-barrel hard rock core drill for large-diameter pile hole | |
| CN102213074B (en) | Rotary impact type rock drilling machine and double-layer drilling rod mechanism | |
| CN203201472U (en) | Rock drilling machine and rotary-cut percussion drilling system thereof | |
| CN202990851U (en) | Screw type high-frequency percussion drilling tool | |
| CN104453704B (en) | A kind of hydraulic drill rig top hammer formula impact rotary power head | |
| CN201865568U (en) | Full-hydraulic multifunctional power head | |
| CN102002941B (en) | Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile | |
| CN105134067B (en) | A kind of drilling well continuous hydraulic is hammered into shape | |
| CN102392598B (en) | Hydraulic vibration impactor and pile driving power head comprising same | |
| WO2016101387A1 (en) | Disturbance rock-breaking drill tool and disturbance rock-breaking well drilling method | |
| CN107529581A (en) | The wear-resistant drag reduction drill bit of vibration damping | |
| CN201027489Y (en) | Binding type jumper bit | |
| CN203308379U (en) | Drilling machine for pile work | |
| CN204532059U (en) | The all-hydraulic down-the-hole rotary impact combined drill of rock-soil layer piling | |
| CN104499937A (en) | Rock-penetrating water-filling cylindrical drill of rotary digging pile machine | |
| CN104912478A (en) | Drilling impact device | |
| CN206129207U (en) | Novel oscillatory surge ware based on turbine and cam | |
| CN208010276U (en) | A kind of rotary impact tool of the underground based on magnetic force | |
| CN104405285B (en) | Particle punching drilling indoor comprehensive analog | |
| CN202227979U (en) | Hydraulic vibration impacter and piling power head formed by same | |
| CN202926204U (en) | Rock cracking drilling machine and rotary cutting impact drilling system thereof | |
| CN103670269B (en) | Turbine torsional impact generator | |
| CN108547571A (en) | A kind of centering type torsion impact drilling tool | |
| CN202047742U (en) | Rotary percussion type rock drilling machine and double-layer drill rod mechanism | |
| CN204663384U (en) | Drilling well percussion mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |