CN1296598C - Rope salvaging type filing discharge stepless drilling and forming hole method and machine tool - Google Patents
Rope salvaging type filing discharge stepless drilling and forming hole method and machine tool Download PDFInfo
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- CN1296598C CN1296598C CNB2004100691896A CN200410069189A CN1296598C CN 1296598 C CN1296598 C CN 1296598C CN B2004100691896 A CNB2004100691896 A CN B2004100691896A CN 200410069189 A CN200410069189 A CN 200410069189A CN 1296598 C CN1296598 C CN 1296598C
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Abstract
The present invention provides a rope salvaging type chip removal hole drilling and forming method with no circulation and a machine tool used in the method. The machine tool comprises a guide drilling rod which is connected with a driving device of a drilling machine, wherein the drilling rod is provided with a drilling tool which can slide up and down and is arranged at the lower end of the drilling rod to rotate synchronously with the drilling rod, and the drilling rod is also provided with a salvaging device which can slide up and down. The salvaging device is connected with a drilling hoist machine so that the drilling hoist machine moves up and down along the drilling rod, and the salvaging device and the drilling tool form a disengageable connection structure. The method comprises the following steps that the drilling tool which is connected with the salvaging device is led downward along the guide drilling rod to the lower end of the guide drilling rod, and a stopping mechanism is used for limiting the drilling tool to move upward; the salvaging device is disengaged with the drilling tool, and the salvaging device is carried out of a hole along the drilling rod; the driving device of a drilling machine is started so that the guide drilling rod rotates to drive the drilling tool to return and cut soil layers, and drilled soil cuttings are stored in the drilling tool; the salvaging device is put into the hole and is connected with the drilling tool, a salvaging hook is lifted up so that the stopping mechanism retracts back, and the drilling tool, together with drill cuttings, is carried out of the ground surface along the drilling rod; finally, drilling cuttings in the drilling tool are cleared. Expensive devices, matched long masts and retractable drilling rods are not needed in the method and the machine tool, which have the advantages of simple process, convenient operation and drilling requirement satisfaction for deep holes.
Description
Technical field
The present invention relates to building pile foundation construction and well boring method field, relate to a kind of no circulation drilling and forming hole method, and relate to the employed facility of this method.
Background technology
In the building pile foundation construction, on ground, get out a hole.The no circulation drilling and forming hole method in prior art king-pile hole has following several:
1, long screw auger advances method: advance in the method at long screw auger, whole drill string all has helical blade, in drilling process, continuously is transported to the face of land by the ground of drill bit fragmentation bits by helicoid.
2, lack the spiral drilling method: use short spiral drilling machine in short spiral drilling method, it just has helical blade (1 ~ 4 pitch) on hole subdrilling head part or part drill string, adopts telescopic drill rod and long mast to realize the casting of fast lifting drilling tool.In short spiral drilling process, the ground that gets out bits just are stored on the little spiral drill blade of length at the bottom of the hole, after having bored a round trip, by drilling rod the face of land is proposed drilling tool, remove attached to will beginning creeping into of next round trip in the hand-hole under the drilling tool again behind the ground on the helical blade.
3, drilling bucket drilling method: drilling bucket creeps into and is similar to short spiral and creeps into, it is the tubular drilling tool (being drilling bucket) that connects a bottom band cutting teeth in the drill string lower end, add pressure handle cutting teeth incision soil layer by drilling tool weight and rig, drilling bucket revolution under the flywheel moment effect, bore the digging layer, in the soil block income bucket under will cutting simultaneously.By drilling rod drilling bucket is mentioned outside the hole after soil block installs to a certain degree in waiting to struggle against, opened drilling bucket, shed the soil bits, thereafter again with in the hand-hole under the drilling bucket, operation more than repeating.As seen, drilling bucket is the broken instrument of cutting, is again the soil container of depositing when creeping into.
Long screw auger advances method not to be needed to carry brill because of casting, so drilling efficiency height, but the chip and the hole wall friction that are stored on the helical blade cause power consumption to increase, increase with aperture and hole depth, power consumption increases rapidly, therefore aperture and hole depth are restricted, and the mast of face of land rig (boring tower) highly must be slightly larger than drilling depth, cause equipment huge.
The casting of short spiral drilling method is not continuous, has saved defeated native power consumption very big in creeping into, and can creep into the heavy caliber hole, so use very wide in the engineering.Drilling bucket drilling method casting mode and short spiral creep into similar, and also have the advantage of short spiral drilling method.But short spiral creeps into to creep into drilling bucket all to be needed face of land rig to have long mast (boring tower) to put the brill time with shortening, in order to strengthen drilling depth, also need use telescopic drill rod.These just cause the existing equipment structure huge and complicated, this class import engineering driller of domestic main use at present, and the up to ten million units of cost, homemade similar rig also needs millions of units.
Summary of the invention
The object of the present invention is to provide does not a kind ofly need to use expensive equipment and supporting long mast and telescopic drill rod, utilization generally to push up the driving rig just can to finish the rope salvaging type filing discharge stepless drilling and forming hole method that drilling cuttings is salvaged, and this method is applicable to the engineering deep well drilling.Another object of the present invention is to provide a kind of rope salvaging type filing discharge stepless drilling and forming hole facility.
The object of the present invention is achieved like this:
The used rig of rope salvaging type filing discharge stepless drilling and forming hole method provided by the invention is that the top that has mast, hoisting system drives rig, drive unit connects guide rod and can drive its rotation, on this guide rod, be provided with one and can slide up and down and can rotate drilling tool synchronously, between described guide rod and drilling tool, also be provided with the stop bit device that drilling tool is crept at the setting position of guide rod lower end and guide rod to hole; Also be provided with the fisher that can slide up and down on this guide rod, it is connected with the rig hoist engine makes it move up and down along guide rod, constitutes the syndeton that can throw off between itself and the described drilling tool, and described drilling and forming hole method comprises the steps:
(1) utilize described drilling tool that the rig hoisting system will link together with described fisher to transfer lower end to guide rod along described guide rod, stop bit mechanism ejects and blocks drilling tool and limit on it and move;
(2) connection between described fisher and the drilling tool is thrown off, and this fisher is proposed the aperture along described guide rod;
(3) start the rig drive unit, guide rod rotated, and the circumferential positioner by described guide rod lower end for example spline fitted drive described drilling tool revolution cutting soil layer, the soil that gets out bits are stored in the subdrilling tool of hole;
(4) after coal powder quantity of bore acquires a certain degree in the drilling tool, make described drive unit stop revolution, in hand-hole under the fisher, the syndeton of recovery hook and drilling tool couples together, the rig hoisting system promotes recovery hook reclaims stop bit mechanism, and hole subdrilling tool is proposed the face of land together with drilling cuttings along guide rod;
(5) drilling cuttings in the described drilling tool of removing;
Move in circles in repeating step (1)-(5), boring is constantly extended.
Employed rope salvaging type filing discharge stepless drilling and forming hole facility comprise in said method: the guide rod that is connected with the rig drive unit, the fisher and the drilling tool that are connected with the rig hoisting system, the rig drive unit can drive described guide rod and rotate, described drilling tool can slide up and down and can the setting position and the described guide rod of its lower end (upper end at guide rod also can be provided with) rotate synchronously at least at guide rod along described guide rod, also be provided with the stop bit device that drilling tool is crept between guide rod and the drilling tool, it can drilling tool arrive guide rod when bottom fix drilling tool make its can not on move and creep into, again can be when upwards salvaging drilling tool unclamping from guide rod makes drilling tool can be put on, make drilling tool slide up and down to finish and put brill along guide rod, and can rotate synchronously with guide rod and hole, described fisher is connected on the wire rope of rig hoisting system; Described fisher and drilling tool are provided with the buckle structure of mutual coupling, make between fisher and the drilling tool to constitute releasable connection.
Rope salvaging type filing discharge stepless drilling and forming hole method provided by the invention and drilling tool have kept the characteristics of traditional no circulation drilling method, also possess following advantage simultaneously:
1, compare with short spiral (or drilling bucket) drilling method, this drilling method does not need telescopic drill rod and long mast, and is lower to the requirement of rig;
2, advance method with long screw auger and compare, this drilling method rig power demand is little, simple in structure, gabarite is little, satisfies the requirement of constructing under restricted clearance;
3, technology simple, easy to operate, can adapt to the requirement of creeping into than deep hole.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 a-1e shows the step schematic diagram of rope salvaging type filing discharge stepless drilling and forming hole method provided by the invention;
Fig. 2 a and 2b are that the master of rope salvaging type filing discharge stepless drilling and forming hole drilling tool provided by the invention looks the structural representation with side-looking;
Fig. 3 a-3c shows the process schematic diagram that drilling tool puts down in the hole forming method of the present invention;
Fig. 4 a-4c shows the process schematic diagram of salvaging drilling tool in the hole forming method of the present invention;
Fig. 5 a-5b shows that fisher is salvaged and the schematic diagram of fisher internal state when transferring drilling tool;
Fig. 6 a-6b shows schematic diagram and the fixing and the unfreezing principle of the position-arresting card fixing structure between drilling tool and the guide rod;
The specific embodiment
As shown in Figure 2, rope salvaging type filing discharge stepless drilling and forming hole facility provided by the invention comprise the guide rod 12 that is connected with drill power head, drilling tool 11, fisher A, lifting pulley group 2 and the wire rope that is connected with hoist engine, the moving device of drill top-drive is connected with guide rod 12 to drive guide rod 12 rotations, drilling tool 11 in the present embodiment is an augers, it can slide up and down and can be being sheathed on the guide rod 12 that the setting position of guide rod lower end and upper end and guide rod rotate synchronously, on the corresponding site of the lower end of guide rod and upper end and the spline structure that is provided with mutual coupling on the corresponding site of drilling tool.Drilling tool 11 also can be the annulus type drilling bucket, and its syndeton and augers with guide rod is identical.
Fisher A is connected with the rig hoisting system by the wire rope on the lifting pulley group 2, by hoist engine fisher A is moved up and down along guide rod 12; Fisher A with and can be such structure in the present embodiment with the buckle structure that respectively is provided with on the drilling tool 11:
Fisher A mainly comprises upper shell 6, lower shell 7, assembly pulley 2, briquetting 4 and recovery hook 9, upper shell 6 and lower shell 7 are set on the guide rod 12 with one heart, upper shell 6 outside, lower shell 7 is interior, be provided with tapered roller thrust bearing 5 between upper shell 6 and the lower shell 7, a side is provided with cartridge type briquetting 4 above in the annular gap between lower shell 7 and guide rod 12, on the lower circumference barrel of lower shell 7, offer some axial gap symmetrically, on the relative sidewall of each gap, be provided with the recovery hook 9 that connects with bearing pin, on the relative sidewall of each gap 71, establish jointed shaft 8 ', go up hinged recovery hook 9 at this jointed shaft 8 ', be provided with night bolt 8 between recovery hook 9 and the guide rod 12, the gib head branch of itself and recovery hook 9 is located at the both sides of jointed shaft 8 '.The tube inner surface of the lower end of briquetting 4 is the taper seat of downward flaring.
Displacement between briquetting 4 and the upper shell 6 is by clamping device control, its structure can be used multiple mechanical connecting structure, show a kind of concrete structure as Fig. 2 and Fig. 5 a-5b: upper shell 6 upper ends set firmly seat ring 1 ', on seat ring 1 ', be provided with this clamping device, make briquetting 4 and upper shell 6 constitute releasable connection, it comprises two bearings 4 ' that are installed on the seat ring 1 ', 5 ', wear the night bolt assembly therein, it comprises the alignment pin 2 ' that is plugged on the bearing, alignment pin 2 ' goes up sets position projection 6 ', has a slot on the hole that wears alignment pin 2 ' of bearing 5 ', pass through for the projection 6 ' on the alignment pin 2 ', between alignment pin 2 ' and bearing 4 ', establish back-moving spring 3 ', on the relevant position of briquetting 4, be provided with annular groove 41.Be installed in the night bolt assembly on the seat ring 1 ' and the interactively of the annular groove on the briquetting 4 by control, briquetting 4 is in the lock state or freely descends shifting state.When salvaging drilling tool, briquetting 4 is in the lock state that (Fig. 5 is a) when transferring drilling tool, briquetting 4 is in releasing orientation (Fig. 5 b), after drilling tool arrival guide rod lower end stops to move down, briquetting 4 continues to move down compressible spring under the deadweight effect forces recovery hook 9 to open, and realizes being connected with the drilling tool disengagement; The upper end of augers 11 is provided with fishing spear 10 (structure of spear-head is seen Fig. 6), makes between fisher A and the augers 11 to constitute releasable connection.
The stop bit device that drilling tool is crept into that is provided with between guide rod 12 and drilling tool 11 also can use multiple frame for movement, Fig. 6 a, 6b show a kind of concrete structure: be provided with annular groove 121 on the appropriate location, lower end of guide rod 12, the fishing spear part mainly partly is made up of fishing spear 10, pintle hook lock 103 and bit body extremity piece 104 etc.With latch two pintle hook locks 103 have been installed about going up on the cylindrical shell on the bit body extremity piece 104 between the lower flange, have been disposed torsionspring between latch and the pintle hook lock, can pintle hook lock 103 automatically reset by the effect of torsionspring.Fig. 6 a is the positioning states of drill bit on guide rod 12, in the time of at the bottom of fisher A transfers the drill bit hand-hole, fishing spear 10 is fallen on the lower flange of bit body extremity piece 104, pintle hook lock 103 is under the effect of torsionspring, automatically tighten annular groove 121 on the guide rod of bottom, make it and to move up and down along drilling rod, realize the axial location between drill bit and the drilling rod.Fig. 6 b is the state that drill bit and guide rod 12 bottoms break away from.When salvaging drill bit, fishing spear 10 is up, and extruding pintle hook lock 103 makes it to reverse an angle, and pintle hook lock 103 withdraws from guide rod annular groove 121.The fishing spear continuation is up then, and until arriving bit body extremity piece 104 upper end flange, it is up to extract drill bit by fisher at last, lifts from outside the hole.
Fisher is work like this:
Shown in Fig. 3 a-3c, when transferring drilling tool, alignment pin 2 ' is unclamped briquetting 4 (Fig. 5 b), when drilling tool 11 is lowered into guide rod 12 lower ends, briquetting 4 between descending embedding recovery hook 9 and the lower shell 7, opens recovery hook 9 under the effect of deadweight, drilling tool 11 and fisher A break away from, then, wire rope is lifted from the aperture by assembly pulley 2 with fisher A, and the stop bit device is in positioning states between guide rod 12 and the drilling tool 11, start the guide rod drive unit and make the guide rod revolution, carry out drilling process;
Shown in Fig. 4 a-4c, finish when need extracting drilling tool 11 creeping into, alignment pin is locked briquetting 4, and (Fig. 5 a) makes it fixing, under the effect of night bolt 8, recovery hook 9 returns to original rounding state, effect by hoist engine simultaneously, wire rope with hand-hole under the fisher at the bottom of, recovery hook 9 embeds and tightens the fishing spear on the augers, then fisher and augers (or drilling bucket) are lifted from the aperture and carry out operations such as casting, in this process, the stop bit device is in disengaged position between guide rod 12 and the drilling tool 11.In the casting process, the backward rotation guide rod gets rid of soil.
When soil was got rid of in rotary drilling and counter-rotating, under the effect of tapered roller thrust bearing, the recovery hook of fisher, lower shell and augers turned round together with guide rod, and assembly pulley 2, briquetting 4 and upper shell 6 then maintenance do not change.
The operation of using above-mentioned facility to creep into operation is: shown in Fig. 3 a-3c and 4a-4c and Fig. 1 a-1e, at first remove the lock-out state (Fig. 5 b) of briquetting 4, utilize the hoist engine of rig again, wire rope is through rig mast overhead traveling crane, pulley 2 on unit head and the fisher A, (Fig. 1 offseted in the lower end of the action of gravity lower lock block of drill bit and the upper end of recovery hook before a) at the bottom of drill bit 2 arrives holes at the bottom of fisher a and short augers 11 be lowered into the hole along guide rod 12, recovery hook hooks drill bit, along with stopping, drill bit arrival guide rod lower end moves down, active force between recovery hook and spear-head disappears, briquetting slips into downwards under action of gravity in the gap between recovery hook 9 and the lower shell 7, the elastic force that overcomes night bolt opens recovery hook, recovery hook breaks away from the spear-head on short augers top, and fisher is suggested aperture (Fig. 1 b); This moment drilling tool stop bit device embed the guide rod lower end cannelure (Fig. 6 a) in, the restriction drilling tool is up; The drill power head revolution, drive guide rod and also drive augers revolution cutting soil layer by the spline fitted of guide rod lower end, the ground that gets out bits are stored on the little spiral drill blade of length at the bottom of the hole (or in drilling bucket), after drilling cuttings acquires a certain degree, unit head stops revolution, briquetting 4 is inserted lock-out state, and (Fig. 5 a) utilizes rig to change again and raises system with in the hand-hole under the fisher, and recovery hook fastens the fishing spear (Fig. 1 c) on hosqe bit top; The rig hoisting system promotes recovery hook makes stop bit mechanism reclaim (Fig. 6 b), and hole subdrilling tool is proposed the face of land (Fig. 1 d) together with drilling cuttings along guide rod; Rig counter-rotating is got rid of or is removed attached to (or the drilling bucket interior) drilling cuttings (Fig. 1 e) on the helical blade with other method; Repeating above operation constantly extends boring.
Need to prove that at this structure of the pairing facility of method provided by the invention can be diversified, only is to have enumerated an instantiation above, and does not mean that the qualification to facility of the present invention.The above is specific embodiments of the invention and the know-why used, and is any based on the equivalent transformation on the technical solution of the present invention basis, all belongs within the protection domain of the present invention.
Claims (4)
1, a kind of rope salvaging type filing discharge stepless drilling and forming hole method, used rig is that the top that has mast, hoisting system drives rig, drive unit connects guide rod and can drive its rotation, being provided with one on this guide rod can slide up and down and can rotate drilling tool to hole synchronously at the setting position of guide rod lower end and guide rod, also be provided with the fisher that can slide up and down on this guide rod, it is connected with the rig hoist engine makes it move up and down along guide rod; Constitute the syndeton that can throw off between itself and the described drilling tool, described drilling and forming hole method comprises the steps:
(1) utilize described drilling tool that the rig hoisting system will link together with described fisher to transfer lower end to guide rod along described guide rod, stop bit mechanism ejects and blocks drilling tool and limit on it and move;
(2) connection between described fisher and the drilling tool is thrown off, and this fisher is proposed the aperture along described guide rod;
(3) start the rig drive unit, guide rod is rotated, and drive described drilling tool revolution cutting soil layer by the spline fitted of guide rod lower end, the soil that gets out bits are stored in the subdrilling tool of hole;
(4) after coal powder quantity of bore acquires a certain degree in the drilling tool, make described drive unit stop revolution, in hand-hole under the fisher, the syndeton of recovery hook and drilling tool couples together, the rig hoisting system promotes recovery hook reclaims stop bit mechanism, and hole subdrilling tool is proposed the face of land together with drilling cuttings along guide rod;
(5) drilling cuttings in the described drilling tool of removing;
Move in circles in repeating step (1)-(5), boring is constantly extended.
2, the used facility of a kind of rope salvaging type filing discharge stepless drilling and forming hole is characterized in that: comprising: the guide rod that is connected with the rig drive unit, the fisher, the drilling tool that are connected with the rig hoisting system,
Described drilling tool can slide up and down and can be sheathed on the described guide rod synchronously rotationally at the setting position and the guide rod of guide rod lower end, make drilling tool slide up and down to finish and put brill, and can rotate synchronously with guide rod and hole along guide rod; Described drilling tool is short augers or the annular drilling bucket that has spear-head; Described fisher is connected on the wire rope of rig hoisting system; Described fisher and drilling tool are provided with the buckle structure of mutual coupling, make between fisher and the drilling tool to constitute releasable connection.
3, facility according to claim 2, it is characterized in that, between described guide rod lower end and drilling tool, also be provided with stop bit mechanism, make and when drilling tool slides lower end to described guide rod, block drilling tool and limit on it and move, fix and when drilling tool is raised, remove.
4, according to claim 2 or 3 described facility, it is characterized in that described fisher is provided with the closed type recovery hook, described drilling tool is provided with spear-head, and recovery hook and fishing spear constitute the releasable connection between fisher and the drilling tool jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100691896A CN1296598C (en) | 2004-07-07 | 2004-07-07 | Rope salvaging type filing discharge stepless drilling and forming hole method and machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100691896A CN1296598C (en) | 2004-07-07 | 2004-07-07 | Rope salvaging type filing discharge stepless drilling and forming hole method and machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1587630A CN1587630A (en) | 2005-03-02 |
| CN1296598C true CN1296598C (en) | 2007-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100691896A Expired - Fee Related CN1296598C (en) | 2004-07-07 | 2004-07-07 | Rope salvaging type filing discharge stepless drilling and forming hole method and machine tool |
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| CN (1) | CN1296598C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678077A (en) * | 2012-06-04 | 2012-09-19 | 中国地质大学（武汉） | Pumping cable fishing gear and method |
| CN104594815A (en) * | 2014-11-21 | 2015-05-06 | 广西智通节能环保科技有限公司 | Core drill |
| CN113958280A (en) * | 2021-10-28 | 2022-01-21 | 西南石油大学 | Horizontal well rotation type detritus fishing tool with replaceable spray nozzle |
| CN115217434A (en) * | 2022-07-21 | 2022-10-21 | 深圳市工勘岩土集团有限公司 | Internal expansion type salvaging method for full-hydraulic drilling of cast-in-place pile by dropping circular drill rod into hole |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204847Y (en) * | 1994-07-30 | 1995-08-09 | 程天森 | Multifunctional underwater drill |
| CN2342085Y (en) * | 1998-05-18 | 1999-10-06 | 张安良 | Multifunctional engineering drill |
-
2004
- 2004-07-07 CN CNB2004100691896A patent/CN1296598C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204847Y (en) * | 1994-07-30 | 1995-08-09 | 程天森 | Multifunctional underwater drill |
| CN2342085Y (en) * | 1998-05-18 | 1999-10-06 | 张安良 | Multifunctional engineering drill |
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| Publication number | Publication date |
|---|---|
| CN1587630A (en) | 2005-03-02 |
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Granted publication date: 20070124 Termination date: 20100707 |