CN1460768A - Drilling bit structure for enlarging hole - Google Patents

Drilling bit structure for enlarging hole Download PDF

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Publication number
CN1460768A
CN1460768A CN03136657A CN03136657A CN1460768A CN 1460768 A CN1460768 A CN 1460768A CN 03136657 A CN03136657 A CN 03136657A CN 03136657 A CN03136657 A CN 03136657A CN 1460768 A CN1460768 A CN 1460768A
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CN
China
Prior art keywords
drilling bit
bit
drill
reaming bit
reaming
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Granted
Application number
CN03136657A
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Chinese (zh)
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CN1284919C (en
Inventor
林秉德
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Individual
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Individual
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Publication of CN1460768A publication Critical patent/CN1460768A/en
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Publication of CN1284919C publication Critical patent/CN1284919C/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7864—T.V. type tracking systems
    • G01S3/7865—T.V. type tracking systems using correlation of the live video image with a stored image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/285—Analysis of motion using a sequence of stereo image pairs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10012—Stereo images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G06T2207/10021—Stereoscopic video; Stereoscopic image sequence

Abstract

The present invention relates to a drilling bit structure for enlarging hole which is capable of drilling a hole exceeding the diameter of the drilling bit in engineering of ground water development or building or public works. The drilling bit of the invention comprises a drilling bit socket for rotating a guide drilling bit which can cooperate rotating the enlarging drilling bit, wherein a guide block as a lockpin for locking and rotating the enlarging drilling bit is formed in a side face part of the guide drilling bit. A guide groove is provided in a part approximately 4/7 of an inner circumference of the enlarging drilling bit and on both side parts, has an assembling step with predetermined depth and height. Accordingly, while in a rotating process of the guide drilling bit, the assembling step can contact with the guide block to rotate the enlarging drilling bit, meanwhile, a top face and a bottom of the enlarging drilling bit respectively tightly contact with a whole face of the guide drilling bit step and with a bottom of the drilling bit socket, thus the problems of the components damage or blocking by foreign body obstruction are solved.

Description

The drill bit structure that is used for reaming
Technical field
The present invention relates to a kind of drill bit structure that is used for reaming, it can drill through the hole that exceeds the hammer bit diameter in ground water development or in building or public works.The present invention is the improvement to the previous Korean Patent No.309297 that submits to of the inventor.
Background technology
According to the generating structure of the reaming bit in hole, the center line that reaming bit is eccentric in drill sleeve forms, and can rotate together with drill sleeve.In described patent formerly, the center line of member also is eccentric formation.
In described patent formerly, the assembling step that is used for rotating reaming bit is formed on the bottom surface of drill sleeve, and also is formed with the assembling step in the end face of expansion rotary head, thereby drill sleeve and reaming bit can be by the interlock between the step by co-rotation.
Yet, in described patent formerly, assembling step in drill sleeve and the reaming bit adversely produces the space between drill sleeve and reaming bit, thereby for example soil and stone granules can enter between the drill sleeve and reaming bit of dark underground position work foreign matter.This problem can hinder the rotation of reaming bit, therefore can hinder will expand the hammer drill bit from pulling out the underground position deeply.
And, because the assembling step of drill sleeve and reaming bit is downward each other and protruding upward from contact surface, so assembles step and may hold and can't stand impact.This just makes the assembling step have the possible of potential breakage owing to being subjected to percussion in the drilling operation process, thereby will produce this problem, promptly the hammer drill bit can not be pulled out from underground position.Like this, the construction period will prolong, and the cost of public works will increase considerably owing to loss.
The drill bit that is used for reaming is characterized in that different with the hammer drill bit, steel pipe is buried in the hole.Therefore, when the reaming bit in hole is placed on when being about to be buried in the underground steel pipe, it can proceed drilling operation.When the reaming bit in hole starts in the lower end of steel pipe when creeping into soil, steel pipe also can be in company with entering in the soil that reaming bit drills through the degree of depth.In case finish this drilling operation, just reaming bit to be pulled out from steel pipe, steel pipe is then stayed in the hole to be imbedded in there.
The center line that reaming bit is eccentric in drill sleeve forms, and reason is as follows: the first, hole drill can be obtained wideer than the diameter of selected steel pipe, thereby can at an easy rate steel pipe be put into the hole.The second, after the hole is drilled through, can at an easy rate reaming bit be pulled out from steel pipe.Use this structure, in drill sleeve forward direction rotation process, reaming bit can drill through to finish expansion around the expansion of guiding drill bit, and if drill sleeve backward rotation after drilling operation, reaming bit can shrink forr a short time than diameter of steel tube again.
Also be, reaming bit is eccentric in drill sleeve like this and forms, be that reaming bit is unfolded to carry out drilling operation because the forward direction of drill sleeve rotates, and after drilling operation is finished, reaming bit can shrink forr a short time than diameter of steel tube by the backward rotation of drill sleeve again, so just can at an easy rate reaming bit be pulled out from steel pipe.
Yet; in described patent formerly; foreign matter for example soil and stone granules can enter between dark underground position rotates with the drill sleeve and reaming bit that carry out drilling operation; the backward rotation of reaming bit will be hindered like this, therefore also aligning with one heart between reaming bit and the drill sleeve will be stoped.As a result owing to can not carry out backward rotation, reaming bit will with the drill sleeve arranged off-centre, the residing circle diameter of its periphery just diameter than drill sleeve is big, reaming bit will be caught by the lower end of steel pipe like this, so it can not be pulled out from steel pipe.
Summary of the invention
Purpose of design of the present invention is to overcome the problems referred to above, thereby and provide a kind of drill bit structure with the drill sleeve that is used to rotate the guiding drill bit, guiding drill bit and reaming bit synergic rotation, wherein, in the lateral parts of guiding drill bit, be formed with guide pad, it is as the lock pin that is used to lock and rotate reaming bit, in reaming bit, be formed with direction recess in about 4/7 of week the part, it has the assembling step on the part of two sides, the assembling step has desired depth and height value, therefore, in the rotation process of guiding drill bit, the assembling step can with guide pad against, to rotate reaming bit, and the end face of reaming bit and bottom surface closely contact with the bottom surface of drill sleeve with whole of drill guide caster bed rank respectively, thereby member damages and the problem of foreign body obstruction can be solved.
Description of drawings
By the reference accompanying drawing preferred embodiment of the present invention is carried out following detailed, above-mentioned and other purposes, feature and advantage of the present invention can become apparent, and accompanying drawing comprises:
Fig. 1 is the decomposition diagram of hammer drill bit of the present invention;
Fig. 2 is the sectional view after Fig. 1 assembles;
Fig. 3 is the upward view of hammer drill bit of the present invention;
Fig. 4 is the cutting line A-A ' side cross sectional view in Fig. 3.
The specific embodiment
Now the preferred embodiments of the present invention are described in detail, their example is shown in the accompanying drawing.
As shown in the figure, drill sleeve 100 has body 101, and body 101 has off-centre and is formed on guiding connection opening 102 in the body 101.Body 101 within it in week also evenly to be interval with vertical cotter way 106 and horizontal pin-and-hole 105,105 '.
Guiding drill bit 300 is connected in the guiding connection opening 102 by inserting stop pin 500 and back to back rotation shotpin 400, and reaming bit 200 is connected between guiding drill bit 300 and the drill sleeve 100 simultaneously, thus basic comprising hammer drill bit.
Reaming bit 200 is half way driving bodies, and it is used for by drill sleeve 100 and guiding drill bit 300 and extending bore significantly.Reaming bit 200 is eccentric at it and carries out ream operation when guiding drill bit 300 rotates.
Reaming bit 200 has eccentric through-hole, is used to receive reaming bit coupling part 303.Direction recess 204 is with desired depth and highly be formed on about 4/7 the zone in week in the reaming bit coupling part 303, and is formed with step 205a and 205b on the two ends of direction recess 204.On the side of the bottom surface of reaming bit 200, be formed with expansion and drill through face 203, adhered to a plurality of superhard drill bits 700 on it.
The offset that has of guiding drill bit 300 is the center line that drills through face 308 to three times of the offset of the center line of reaming bit coupling part 303 and drill sleeve coupling part 301.A plurality of cotter ways 302 are formed on the periphery of drill sleeve coupling part 301 with predetermined space.Fitting recess 304 is on two lateral parts that are formed on guiding drill bit 300 under the cotter way 302.Especially, guide pad 305 with predetermined thickness, width and height value is formed in the relation line part in the reaming bit coupling part 303 that joins with step 309, and guide pad has chain of command 305a and 305b, and they are formed on two lateral parts of guide pad.
Rotating shotpin 400 is inserted in cotter way 106 and 302 by this way, promptly rotate other and cotter way 106 interlocks of first half point of shotpin 400, their second half point not and cotter way 302 interlocks, thereby can play a part operating key, freely rotate in drill sleeve 100 to prevent drill guide 300.
As illustrated in fig. 1 and 2, stop pin 500 be inserted into drill sleeve 100 pin-and-hole 105,105 ' and the support slot 304 of guiding drill bit 300 in, link together will guide drill bit 300 and drill sleeve 100.
Also promptly, reaming bit 200 is connected on the reaming bit coupling part 303 from the downward suit in top of guiding drill bit 300.Reaming bit 200 be received in like this reaming bit coupling part 303 around, promptly guide the guide pad 305 of drill bit 300 to be inserted in the reaming bit 200 in the direction recess 204 in weeks.
The body 101 of drill sleeve 100 is connected with the top of coverage mode with reaming bit 200, and reaming bit 200 quilt cover loads are connected on the reaming bit coupling part 303.When rotation shotpin 400 is inserted in the cotter way 302, be formed on the cotter way 106 of guiding drill bit opening on 102 interior weeks and align with cotter way 302, cotter way 302 is formed on the periphery of drill sleeve coupling part 301.Then, fitting recess on two lateral parts of drill sleeve coupling part 30 1 304 and pin-and-hole 105 and 105 ' are aligned, pin-and-hole 105 and 105 ' level penetrate the body 101 of drill sleeve 100.Stop pin 500 is inserted pin-and-hole 105,105 ' reach in the fitting recess 304 that so aligns, thereby finish assembly operation.
In the present invention, when drilling through face 308 and contact with soil in the forward direction rotation process, owing to drill through the rubbing action of face 308, drill sleeve 100 will pierce in the soil.When the step 309 of guiding drill bit 300 pierced in the soil, the expansion in reaming bit 200 bottom surfaces drilled through face 203 and will contact with soil.Although reaming bit 200 can be stopped when expansion drills through face 203 and contacts with soil, drill sleeve 100 and guiding drill bit 300 still can be rotated further.As a result, can under the guiding of direction recess 204, rotate with the chain of command 305b of the tight guide pad 305 that contacts of assembling step 205a, thereby the chain of command 305a on opposite side moves to opposite assembling step 205a.As long as the chain of command 305a of guide pad 305 closely contacts with assembling step 205a owing to the rotation of guide pad 305, then the reaming bit 200 with the soil Static Contact will together rotate with the guiding drill bit 300 that is rotating, to transform to eccentric state from concentric, therefore can enlarge circumference.So just make the hammer drill bit can drill through such hole, promptly this hole has than drilling through the bigger diameter of face 308.
After finishing drilling operation, drill sleeve 100 is reversed rotation.In the rotation process of drill sleeve 100, guiding drill bit 300 and reaming bit 200 with reaming bit 200 from eccentric state backward rotation to concentric, guide pad 305 is directed to groove 204 and guides with above-mentioned opposite order simultaneously.
In the aforesaid operations process, reaming bit 200 all closely contacts and is rotated under the situation without any the slit the bottom surface 108 of its end face 200a and body 101 and its bottom surface 200b and step 309 whole.Therefore, even reaming bit 200 is carried out drilling operation in underground darker position, reaming bit 200 also can be worked, and can not be subjected to for example any influence of soil and stone granules of foreign matter.
As above-mentioned, the present invention has saved the protrusion assembling step in the traditional structure, and in traditional structure, the assembling step protrudes up and down from reaming bit and drill sleeve, so assembly stand is rotated when inserted into each other on rank.And the present invention is provided with direction recess 204, it has assembling step 205a and 205b on the interior week of reaming bit, in guiding drill bit 300, be formed with guide pad 305 simultaneously, thereby guide pad 305 can rotate in direction recess 204 under the guiding of direction recess 204, thus foreign matter for example soil and stone are blocked in the space between drill sleeve and the reaming bit and hinder the problems referred to above of rotating and can solve.And guide pad 305 is formed on the lateral parts of guiding drill bit 300 like this, and promptly guide pad 305 rotates in the interior week of reaming bit 200 under the big regional guidance by direction recess 204, so just can prevent the maximum loss that causes owing to damaged.
Though present invention is described with reference to specified otherwise embodiment, the present invention is not restricted to the foregoing description, and only is subjected to the restriction of Rights attached thereto.Should be pointed out that those of ordinary skills can change or change the foregoing description, and do not depart from the scope of the present invention and spirit.

Claims (1)

1. drill bit structure that is used for reaming comprises:
Drill sleeve (100), it has the bottom surface (108) that is formed on the vertical cotter way (106) on week and smooth formation in the drill sleeve with even interval;
Reaming bit (200), it has: flat top (200a) and planar bottom surface (200b), in the rotation process of reaming bit (200), end face (200a) closely contacts with the bottom surface (108) of drill sleeve (100), and bottom surface (200b) closely contacts with the end face of step (309); And direction recess (204), it was formed on the interior week of reaming bit (200), and had assembling step (205a) and (205b) at its two ends; And
Guiding drill bit (300), it has: be formed on the cotter way (302) on the upper periphery; Be formed on the fitting recess (304) on the two sides part under the cotter way (302); And being formed on guide pad (305) in the intersection part that step (309) and reaming bit coupling part (303) join, this guide pad has the predetermined altitude value and has chain of command (305a) and (305b) in its two sides part.
CNB031366570A 2002-03-23 2003-05-22 Drilling bit structure for enlarging hole Expired - Fee Related CN1284919C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2002-0015914A KR100434876B1 (en) 2002-03-23 2002-03-23 Method and apparatus for a tracking stereo target
KR0015914/2002 2002-05-24

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CN1460768A true CN1460768A (en) 2003-12-10
CN1284919C CN1284919C (en) 2006-11-15

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KR (1) KR100434876B1 (en)
CN (1) CN1284919C (en)
AU (1) AU2002243051A1 (en)
HK (1) HK1059459A1 (en)
WO (1) WO2003096697A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005085581A1 (en) * 2004-03-09 2005-09-15 Leechin Ng Expanding drill
CN109681123A (en) * 2018-11-28 2019-04-26 山东唐口煤业有限公司 A kind of diameter adjustable drill bit and segmentation expanding method
CN110439467A (en) * 2019-07-30 2019-11-12 长沙天和钻具机械有限公司 A kind of reaming block formula concentric simultaneous casing drilling tool

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KR100775005B1 (en) * 2004-12-07 2007-11-08 한국전자통신연구원 User authentificatno system and method thereof
US7634113B2 (en) 2004-12-07 2009-12-15 Electronics And Telecommunications Research Institute User authentication system and method thereof
US8073243B2 (en) 2008-05-30 2011-12-06 General Instrument Corporation Replacing image information in a captured image
KR101082329B1 (en) * 2009-04-28 2011-11-10 칩스브레인글로벌주식회사 Apparatus for object position estimation and estimation method using the same
JP5932363B2 (en) * 2012-01-26 2016-06-08 キヤノン株式会社 Imaging apparatus and control method thereof
KR101355976B1 (en) * 2012-11-13 2014-02-03 재단법인대구경북과학기술원 Method and apparatus for object tracking using stereo feature matching
JP6184271B2 (en) * 2013-09-19 2017-08-23 キヤノン株式会社 Imaging management apparatus, imaging management system control method, and program
KR101582454B1 (en) * 2014-08-25 2016-01-06 경북대학교 산학협력단 Method for cognition of movement object in photographing image and system for prevention of vehicle boarding accident

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JP2580516B2 (en) * 1992-12-01 1997-02-12 工業技術院長 Real-time three-dimensional motion measuring apparatus and method
JPH10210506A (en) * 1997-01-22 1998-08-07 Sony Corp Three-dimensional image information input device and three-dimensional image information input output device
JPH11248421A (en) * 1998-03-04 1999-09-17 Nippon Telegr & Teleph Corp <Ntt> Method and apparatus for tracking moving bodies
JP3429194B2 (en) * 1998-05-12 2003-07-22 シャープ株式会社 Automatic tracking device
JP3134845B2 (en) * 1998-07-03 2001-02-13 日本電気株式会社 Apparatus and method for extracting object in moving image
JP2002024807A (en) * 2000-07-07 2002-01-25 National Institute Of Advanced Industrial & Technology Object movement tracking technique and recording medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005085581A1 (en) * 2004-03-09 2005-09-15 Leechin Ng Expanding drill
CN109681123A (en) * 2018-11-28 2019-04-26 山东唐口煤业有限公司 A kind of diameter adjustable drill bit and segmentation expanding method
CN109681123B (en) * 2018-11-28 2023-09-29 山东唐口煤业有限公司 Diameter-adjustable drill bit and sectional reaming method
CN110439467A (en) * 2019-07-30 2019-11-12 长沙天和钻具机械有限公司 A kind of reaming block formula concentric simultaneous casing drilling tool

Also Published As

Publication number Publication date
CN1284919C (en) 2006-11-15
HK1059459A1 (en) 2004-07-02
KR20030076905A (en) 2003-09-29
WO2003096697A1 (en) 2003-11-20
KR100434876B1 (en) 2004-06-07
AU2002243051A1 (en) 2003-11-11

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