CN107956420A - A kind of hand-held drilling rig and boring method - Google Patents
A kind of hand-held drilling rig and boring method Download PDFInfo
- Publication number
- CN107956420A CN107956420A CN201711185722.9A CN201711185722A CN107956420A CN 107956420 A CN107956420 A CN 107956420A CN 201711185722 A CN201711185722 A CN 201711185722A CN 107956420 A CN107956420 A CN 107956420A
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- CN
- China
- Prior art keywords
- drilling rod
- hand
- drilling
- rotating bar
- held
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/18—Connecting or disconnecting drill bit and drilling pipe
Abstract
The invention discloses a kind of hand-held drilling rig, include drilling machine, drilling machine includes motor, rotating bar, hand-held frame, drilling rod and water pipe head, motor is fixed on hand-held frame, it is characterized in that, connection chamber is provided among hand-held frame, rotating bar is rotatablely connected with hand-held frame, and one end of rotating bar is positioned at connection intracavitary, water pipe head is fixed on connection chamber side wall and with connecting chamber connection, and rotating bar is hollow pipe fitting with drilling rod, and rotating bar is used to be detachably fixed and is connected with drilling rod, the one end of drilling rod away from hand-held frame is connected with drill, and motor can drive rotating bar to rotate.Structure of the invention by optimizing hand drill, water pipe head is arranged on above hand-held frame, and water pipe head is directly connected with rotating bar and drilling rod, the distance between hand-held frame is reduced at rotating bar and tool joint, has reached and has conveniently dismantled or install rotating bar when extending drilling rod in drilling process.
Description
Technical field
The present invention relates to the specific process and equipment of a kind of drilling well, more particularly to a kind of hand-held drilling rig and drilling well side
Method.
Background technology
30 drilling machines and the isometric larger equipment of jumbolter are generally used in the light well point of construction drainage at present,
The limited place in space is with inconvenient in vertical shaft etc..Also in processing because of the uneven of impermeable stratum and at low-lying place
During remaining interface residual water, the advanced depth of general drilling well will not be very big, and can be caused using 30 drilling machines or jumbolter
The unnecessary wasting of resources.Therefore, hand drill just comes into being, and can flexibly construct drilling well draining in the confined space,
Also can be used in the case of required drill footage not depth.
Existing hand drill refers to the patent of invention that Authorization Notice No. is CN201574686U, and it discloses one kind
Handheld double-power well-point drilling machine, comprising motor, rack, rotation waterpipe couplings and drilling rod, motor is fixed in above rack, rotation
Turn waterpipe couplings and connect with water pipe and rotate waterpipe couplings to be fixed on below rack, drilling rod is from the bottom up through rotation water pipe
Connector and with rotation waterpipe couplings rotation connection, drilling rod it is hollow and positioned at rotation waterpipe couplings in drilling rod side wall on
Offer inlet opening；For extension arm length, drilling rod is set using more piece, and more piece drilling rod is threaded connection.Open motor and
Water pipe, motor drive drilling rod to rotate, and after the water in water pipe enters rotation waterpipe couplings, are entered by the inlet opening on drilling rod and bored
In bar cavity, during drilling, drilling rod drills, and can take the mud in drilling out of from the water of drilling rod outflow.
Above-mentioned hand drill is disadvantageous in that rotation water pipe head is arranged on the lower section of rack, the connector of drilling rod
Position and the distance between motor and rack farther out, in drilling process, when drilling machine gets into the joint area of drilling rod close to ground
When, need to extend run of steel further to deepen drilling depth, drilling rod is first separated into motor and rack, and extend drilling rod
Motor and hand-held frame are installed on the drilling rod to extension again afterwards, during the two disassembly and installations, due to motor and machine
Frame is higher with respect to the position on ground, crank, and disassembly and installation is more difficult.
And if solving above-mentioned technical problem using the height for shortening rotation water pipe head, from rotation water pipe head into
Entering the water inside drilling rod can be reduced, and not reach the predetermined effect gone out borehole bottom mud in drilling well；If further
Expand the water inlet bore dia sum number amount on the drilling rod in rotation water pipe head, although inflow can be increased, drilling rod
Intensity cannot ensure, easily snap off.
The content of the invention
The object of the present invention is to provide a kind of hand-held drilling rig, solve connecing due to motor and hand-held frame and drilling rod
The problem of disassembly and installation difficulty that head position is distant and triggers is larger.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of hand-held drilling rig, comprising drilling machine, drilling machine includes motor, rotating bar, hand-held frame, drilling rod and water pipe head, electricity
Machine is fixed on hand-held frame, connection chamber is provided among hand-held frame, rotating bar is rotatablely connected with hand-held frame, and one end of rotating bar
Positioned at connection intracavitary, water pipe head is fixed on connection chamber side wall and with connecting chamber connection, and rotating bar and drilling rod are hollow pipe fitting,
Rotating bar is used to be detachably fixed and is connected with drilling rod, and the one end of drilling rod away from hand-held frame is connected with drill, and motor can be with turn
Lever rotates.
By using above-mentioned technical proposal, start motor, motor, which rotates, drives rotating bar to rotate, and rotating bar is rotated to drive and bored
Bar rotates, and carries out drillng operation；Water pipe head of the water above hand-held frame in drilling process enters, and enters rotation through connecting chamber
Bar and drilling rod, water communication is without hindrance, and flow is big, and brill can be taken out of with current in the mud during drilling rod drilling well in drilling well
Well；Rotating bar and tool joint and the distance between hand-held frame are shorter, need to extend drilling rod during drilling well, are bored extending
During bar, the joint area of rotating bar and drilling rod is dismantling rotating bar and during drilling rod close to ground, rotating bar and hand
It is relatively low apart from ground to hold frame, disassembly process is more convenient.
It is preferred that the output terminal of motor is connected with driving gear, the lateral wall of rotating bar is connected with to be engaged with driving gear
Driven gear.
By using above-mentioned technical proposal, motor drives rotating bar to rotate by gear drive, and driving form is reliable.
It is preferred that rotating bar is rotatablely connected by bearing and hand-held frame, the both sides of bearing are respectively arranged with reinforced seal.
By using above-mentioned technical proposal, rotating bar and the rotation formula of hand-held frame are reliable, and rotation friction is small.
It is preferred that it is the first drilling rod of tubulose and some section intermediate bars that drilling rod, which includes, drill is located on the first drilling rod, the
One drilling rod is equipped with the one end open of drill, and between the first drilling rod and rotating bar, intermediate bar and the first drilling rod, rotate intermediate bar
Connected between bar and other intermediate bars using pipe screw thread, and thread rotary orientation is consistent.
By using above-mentioned technical proposal, can by the first drilling rod adjunction intermediate bar extend the length of drilling rod.
It is preferred that the hand-held drilling rig also includes clamping structure, clamping structure includes clamp frame and some clampings
Block, gripping block can be matched for clamping tightly drilling rod with clamp frame and drilling rod.
By using above-mentioned technical proposal, in drilling process, drilling rod is through clamp frame, it is necessary to dismounting drilling rod and rotating bar
When, gripping block is placed in clamp frame, gripping block is clamped and stuck drilling rod, startup motor rotates backward, motor band turn
Lever rotates backward, you can rotating bar is departed from drilling rod, reaches fast quick-detach rotating bar and the effect of drilling rod.
It is preferred that clamp frame is square box, gripping block is two pieces, and gripping block is square block and the side of fitting close to each other
Open up jagged, gripping block is located in clamp frame and is fitted closely with clamp frame, and notch can be fitted close with card with drilling rod
Dead drilling rod.
By using above-mentioned technical proposal, gripping block is placed in clamp frame respectively, the notch in gripping block and drilling rod are tight
Close fit is with stuck drilling rod.
It is preferred that some protrusions are provided with the surface of notch.
By using above-mentioned technical proposal, after protrusion is set on notch, gripping block and the frictional force of drilling rod can be increased.
A kind of boring method, using above-mentioned hand-held drilling rig, comprises the following steps：
A. drilling hole position, smooth location, stock tank of dredging, bottom plate of the pad with pre-determined bit hole on the position of hole are determined；
B. jointed rod and rotating bar, and water pipe and water pipe head；
C. clamp frame is placed in above the pre-determined bit hole of bottom plate, the lower end of the first drilling rod is placed in pre-determined bit hole through clamp frame
It is interior；
D. first water flowing, is then turned on motor levelling and turns, and operating personnel hold hand-held frame and press down on, and drilling machine starts drilling well work；
E. when the upper end of the first drilling rod is displaced downwardly at clamp frame, motor and water source is closed, gripping block is placed in clamp frame inner clip
Tight stuck first drilling rod, opens motor reversal, and rotating bar departs from the first drilling rod；
F. the adjunction intermediate bar on the first drilling rod, then rotating bar is threadedly coupled with intermediate bar, removes folder out of clamp frame afterwards
Tight block；
G. repeat step D, E and F, until reaching predetermined drilling depth；
H. repeat step E, will twine PE pipes tripping in from the endoporus of drilling rod of gauze afterwards；
I. drilling rod is proposed successively, and drilling rod takes out along PE pipes, completes drilling construction.
By using above-mentioned technical proposal, in drilling process, using the clamping structure being made of clamp frame and gripping block
Common pipe vice or clamp are substituted to clamp drilling rod, in order to dismounting drilling rod and rotating bar, clamping structure uses gently
Just it is, easy to operate；Meanwhile in the boring method, employ and be first inserted into the PE pipes for having twined gauze from drill pipe bore, then will
The appearance for situations such as drilling rod takes out after proposing along PE pipes, prevents because the soil is porous, and drilling well collapses after taking-up drilling rod causes PE pipes difficult
To be inserted into predetermined well point depth.
In conclusion the present invention has following technique effect：
1. by optimizing the structure of hand drill, water pipe head is arranged on above hand-held frame, and water pipe head is directly with turning
Lever is connected with drilling rod, is reduced at rotating bar and tool joint the distance between hand-held frame, has been reached in drilling process
Rotating bar is conveniently dismantled or installs when extending drilling rod；
2. by setting the clamping structure comprising clamp frame and clamping element above drilling, the drilling rod of drilling machine passes through clamp frame, when
When needing dismounting drilling rod and rotating bar, clamping element is inserted in clamp frame, clamping element is clamped stuck drilling rod, then reversion rotates
Bar, makes rotating bar depart from drilling rod, and clamping structure substitutes pipe vice or clamp, operated in clamping drilling rod it is light, using simple；
3. after the completion of drilling well, the PE pipes for being tied with gauze first are inserted into drill pipe bore, then take out, prevent along PE pipes after drilling rod is proposed
Only because the soil is porous, the appearance after taking-up drilling rod situations such as drilling well partial collapse causes PE pipes to be difficult to be inserted into predetermined well point depth.
Brief description of the drawings
Fig. 1 is view of the present invention in drilling process；
Fig. 2 is the schematic cross-sectional view of drilling machine；
Fig. 3 is view when using clamping structure.
In figure, 1, motor；11st, driving gear；2nd, rotating bar；21st, driven gear；22nd, bearing；23rd, outside framework oil seal；3rd, hand
Hold frame；31st, chamber is connected；311st, upper cover；33rd, bearing block；34th, wheel disc；35th, motor fixing plate；4th, drilling rod；41st, drill；42nd,
One drilling rod；43rd, intermediate bar；5th, water pipe head；8th, clamping structure；81st, clamp frame；82nd, gripping block；821st, notch；9th, drilling machine.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.The identical reference numeral of wherein identical parts
Represent.It should be noted that word "front", "rear" used in the following description, "left", "right", " on ", " under ", " bottom surface " and
" top surface " refers to the direction in attached drawing, and word " interior " and " outer " are referred respectively to towards or away from particular elements geometric center
Direction.
As shown in Figure 1, a kind of hand-held drilling rig, comprising drilling machine 9 and clamping structure 8, drilling machine 9 includes motor 1, rotates
Bar 2, hand-held frame 3, drilling rod 4 and water pipe head 5, motor 1 are fixed on hand-held frame 3, and rotating bar 2 is rotatablely connected with hand-held frame 3, electricity
Machine 1 can drive rotating bar 2 to rotate, and drilling rod 4 and rotating bar 2 are hollow pipe fitting and both ends open, and drilling rod 4 is threaded in rotation
The lower section of bar 2, water pipe head 5 are connected with rotating bar 2, and clamping structure 8 can clamp drilling rod 4.When opening motor 1, motor 1 drives
Rotating bar 2 rotates, and rotating bar 2, which rotates, drives drilling rod 4 to rotate, and carries out drillng operation；In 4 drilling well of drilling rod, water is from water pipe head 5
Into inflow rotating bar 2 and drilling rod 4, flow out from the bottom of drilling rod 4, the soil in drilling well is taken out of inside drilling well with current.
Wherein, motor 1 can select electric hand drill.
As shown in Figure 1, hand-held frame 3 includes bearing block 33, wheel disc 34 is located at chamber 31, bearing block 33 is connected with chamber 31 is connected
The centre of wheel disc 34, wheel disc 34 are fixed on the side wall of bearing block 33 by three fixed links, connect 31 sealed set of chamber
In the top of bearing block 33.As shown in Fig. 2, rotating bar 2 passes through bearing block 33, and by the bearing 22 in bearing block 33 with
Bearing block 33 is rotatablely connected, and the both sides up and down of bearing 22 are both provided with outside framework oil seal 23, and the upper end of rotating bar 2 is positioned at connection chamber 31
Interior, water pipe head 5 is affixed with the upper cover for connecting chamber 31 and water pipe head 5 is connected with connecting chamber 31, connects 311 He of upper cover of chamber 31
Bolt hangers, upper cover 311 and bearing block 33 is connected with 33 side wall of bearing block to fasten by the bolt through bolt hangers, with
Achieve the purpose that sealing connection chamber 31.After water pipe head 5 connects water pipe, high pressure water flow is successively by water pipe head 5, connection chamber
31 and rotating bar 2 enter drilling rod 4 in.
As shown in Figure 1, being connected with motor fixing plate 35 on bearing block 33, motor fixing plate 35 is parallel to wheel disc 34, motor 1
The shaft for being fixed on the top of motor fixing plate 35 and motor 1 passes through motor fixing plate 35, and the output terminal of motor 1 is connected with driving tooth
Wheel 11, the lateral wall of rotating bar 2 are connected with the driven gear 21 engaged with driving gear 11, and the lower section of motor fixing plate 35 can be consolidated
Shield is connect, to protect gear to hurt sb.'s feelings when rotating.
As shown in figure 3, drilling rod 4 includes the first drilling rod 42 for being tubulose and some section intermediate bars 43, the first drilling rod 42
Drill 41 is connected with bottom side of the wall, intermediate bar 43 is between the first drilling rod 42 and rotating bar 2,43 and first drilling rod of intermediate bar
42nd, connected between rotating bar 2 and other intermediate bars 43 using pipe screw thread, and thread rotary orientation is consistent.Using drill drilling
During, intermediate bar 43 can be installed additional between the first drilling rod 42 and rotating bar 2 to extend the length of drilling rod 4, be increased with realizing
The effect of big drilling depth.It can also be consolidated between first drilling rod 42, intermediate bar 43 and rotating bar 2 using other dismountable modes
Fixed connection.
As shown in figures 1 and 3, clamping structure 8 includes clamp frame 81 and some gripping blocks 82, and clamp frame 81 is square box,
Gripping block 82 is two pieces, and gripping block 82 opens up jagged 821 for the side of square block and fitting close to each other, in gripping block 82
Side can also be connected with lifting ear, and clamp frame 81 is located above drilling well, and drilling rod 4 passes through clamp frame 81.When needing to clamp stop drilling rod 4
When, gripping block 82 is placed in clamp frame 81 and is fitted closely with clamp frame 81, notch 821 is fitted close with stuck with drilling rod 4
Drilling rod 4.Some protrusions are may be provided with the surface of the notch 821 of gripping block 82, to increase the friction of gripping block 82 and drilling rod 4
Power.Clamp frame 81 and gripping block 82 can also be the shape that other are worked in coordination.
Boring method using drilling machine of the present invention comprises the following steps：
A. drilling hole position, smooth location, stock tank of dredging, bottom plate of the pad with pre-determined bit hole on the position of hole are determined；
B. jointed rod 4 and rotating bar 2, and water pipe and water pipe head 5；
C. clamp frame 81 is placed in above the pre-determined bit hole of bottom plate, the lower end of the first drilling rod 42 is placed in through clamp frame 81 predetermined
In the hole of position；
D. first water flowing, is then turned on the levelling of motor 1 and turns, operating personnel hold hand-held frame 3 and press down on, and drilling machine 9 starts spudder
Make；
E. when the upper end of the first drilling rod 42 is displaced downwardly at clamp frame 81, motor 1 and water source is closed, gripping block 82 is placed in clamping
Stuck first drilling rod 42 is clamped in frame 81, motor 1 is opened and inverts, rotating bar 2 departs from the first drilling rod 42；
F. the adjunction intermediate bar 43 on the first drilling rod 42, then rotating bar 2 is threadedly coupled with intermediate bar 43, afterwards from clamp frame 81
Interior removal gripping block 82；
G. repeat step D, E and F, until reaching predetermined drilling depth；
H. repeat step E, will twine PE pipes tripping in from the endoporus of drilling rod 4 of gauze afterwards；
I. drilling rod 4 is proposed successively, and drilling rod 4 takes out along PE pipes, completes drilling construction.
In boring method, common pipe vice is substituted using the clamping structure 8 being made of clamp frame 81 and gripping block 82
Or clamp clamp drilling rod 4, in order to dismounting drilling rod 4 and rotating bar 2, clamping structure 8 uses light, easy to operate；
Meanwhile in the boring method, will first twine the PE pipes of gauze and be inserted into from 4 endoporus of drilling rod, then drilling rod 4 is proposed into edge after drilling well
The appearance for situations such as PE pipes take out, and can so prevent because the soil is porous, and drilling well collapses after taking-up drilling rod 4 causes PE pipes to be difficult to insert
Enter predetermined well point depth.
Since water pipe head 5 is arranged on the top of hand-held frame 3, hold frame 3 apart from the joint of rotating bar 2 and drilling rod 4 compared with
Short, in above-mentioned steps E and F, the height held residing for frame 3 is relatively low, and the process of dismounting and assembling is comparatively convenient.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Claims (8)
1. a kind of hand-held drilling rig, includes drilling machine（9）, drilling machine（9）Include motor（1）, rotating bar（2）, hand-held frame（3）、
Drilling rod（4）And water pipe head（5）, motor（1）It is fixed on hand-held frame（3）On, it is characterised in that hand-held frame（3）Centre is provided with
Connect chamber（31）, rotating bar（2）With hand-held frame（3）Rotation connection, and rotating bar（2）One end positioned at connection chamber（31）It is interior, water
Pipe fitting（5）It is fixed in connection chamber（31）On side wall and with connecting chamber（31）Connection, rotating bar（2）With drilling rod（4）For hollow tube
Part, rotating bar（2）With drilling rod（4）Connected using being detachably fixed, drilling rod（4）Away from hand-held frame（3）One end be connected with drill
（41）, motor（1）Rotating bar can be driven（2）Rotate.
A kind of 2. hand-held drilling rig according to claim 1, it is characterised in that motor（1）Output terminal be connected with
Driving gear（11）, rotating bar（2）Lateral wall be connected with and driving gear（11）The driven gear of engagement（21）.
A kind of 3. hand-held drilling rig according to claim 1, it is characterised in that rotating bar（2）Pass through bearing（22）
With hand-held frame（3）Rotation connection, bearing（22）Both sides be respectively arranged with reinforced seal（23）.
4. according to a kind of any hand-held drilling rig of claims 1 to 3, it is characterised in that drilling rod（4）Comprising being
First drilling rod of tubulose（42）With some section intermediate bars（43）, drill（41）Positioned at the first drilling rod（42）One end on, first bore
Bar（42）Equipped with drill（41）One end open, intermediate bar（43）Positioned at the first drilling rod（42）With rotating bar（2）Between, intermediate bar
（43）With the first drilling rod（42）, rotating bar（2）And other intermediate bars（43）Between connected using pipe screw thread, and thread rotary orientation
Unanimously.
5. a kind of hand-held drilling rig according to claim 4, it is characterised in that the hand-held drilling rig also wraps
Containing clamping structure（8）, clamping structure（8）Include clamp frame（81）With some gripping blocks（82）, gripping block（82）Can be with clamping
Frame（81）And drilling rod（4）It is matched for clamping tightly drilling rod（4）.
A kind of 6. hand-held drilling rig according to claim 5, it is characterised in that clamp frame（81）For square box, folder
Tight block（82）For two pieces, gripping block（82）Opened up for the side of square block and fitting close to each other jagged（821）, gripping block
（82）Positioned at clamp frame（81）Interior and and clamp frame（81）Fit closely, notch（821）Can be with drilling rod（4）It is fitted close with card
Dead drilling rod（4）.
A kind of 7. hand-held drilling rig according to claim 6, it is characterised in that notch（821）Surface on set
There are some protrusions.
8. a kind of boring method, it is characterised in that use hand-held drilling rig as claimed in claim 7, including following step
Suddenly：
Determine drilling hole position, smooth location, stock tank of dredging, bottom plate of the pad with pre-determined bit hole on the position of hole；
Jointed rod（4）And rotating bar（2）, and water pipe and water pipe head（5）；
By clamp frame（81）It is placed in above the pre-determined bit hole of bottom plate, by the first drilling rod（42）Lower end pass through clamp frame（81）It is placed in
It is pre-positioned in hole；
First water flowing, is then turned on motor（1）Levelling turns, and operating personnel hold hand-held frame（3）And press down on, drilling machine（9）Start to bore
Well works；
When the first drilling rod（42）Upper end be displaced downwardly to clamp frame（81）During place, motor is closed（1）And water source, by gripping block（82）Put
In clamp frame（81）It is interior to clamp stuck first drilling rod（42）, open motor（1）Reversion, rotating bar（2）Depart from the first drilling rod（42）；
In the first drilling rod（42）Upper adjunction intermediate bar（43）, then by rotating bar（2）With intermediate bar（43）It is threadedly coupled, afterwards from folder
Tight frame（81）Interior removal gripping block（82）；
Repeat step D, E and F, until reaching predetermined drilling depth；
Repeat step E, will twine the PE pipes of gauze from drilling rod afterwards（4）Endoporus in tripping in；
Drilling rod is proposed successively（4）, drilling rod（4）Taken out along PE pipes, PE pipes are stayed in drilling, complete construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185722.9A CN107956420A (en) | 2017-11-23 | 2017-11-23 | A kind of hand-held drilling rig and boring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185722.9A CN107956420A (en) | 2017-11-23 | 2017-11-23 | A kind of hand-held drilling rig and boring method |
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| Publication Number | Publication Date |
|---|---|
| CN107956420A true CN107956420A (en) | 2018-04-24 |
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ID=61961920
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| CN201711185722.9A Pending CN107956420A (en) | 2017-11-23 | 2017-11-23 | A kind of hand-held drilling rig and boring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332757A (en) * | 2018-11-28 | 2019-02-15 | 浙江东森电器有限公司 | A kind of drilling machine Fast Installation disassembly conduit assembly and the device for preventing cooling aqueous reflux |
| CN114718055A (en) * | 2022-04-19 | 2022-07-08 | 宁夏第三建筑有限公司 | Narrow space mud retaining wall drilling pile construction method |
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| CN203685076U (en) * | 2014-01-06 | 2014-07-02 | 浙江锦德矿山机械设备有限公司 | Rod detaching device |
| CN204827210U (en) * | 2015-07-24 | 2015-12-02 | 中铁十局集团建筑工程有限公司 | Hand -held type well -points dewatering instrument of punching and work systems |
| CN207526410U (en) * | 2017-11-23 | 2018-06-22 | 北京地矿工程建设有限责任公司 | A kind of hand-held drilling rig |
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| CN109332757A (en) * | 2018-11-28 | 2019-02-15 | 浙江东森电器有限公司 | A kind of drilling machine Fast Installation disassembly conduit assembly and the device for preventing cooling aqueous reflux |
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Application publication date: 20180424 |