CN106761431A - A kind of anti-well rock stratum inserted tooth hob drill bit - Google Patents

A kind of anti-well rock stratum inserted tooth hob drill bit Download PDF

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Publication number
CN106761431A
CN106761431A CN201710021321.3A CN201710021321A CN106761431A CN 106761431 A CN106761431 A CN 106761431A CN 201710021321 A CN201710021321 A CN 201710021321A CN 106761431 A CN106761431 A CN 106761431A
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CN
China
Prior art keywords
fixed
sidesway
rod
order
fix bar
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Granted
Application number
CN201710021321.3A
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Chinese (zh)
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CN106761431B (en
Inventor
蒋君
刘前
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Sichuan Golden Machinery Manufacturing Co Ltd
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Sichuan Golden Machinery Manufacturing Co Ltd
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Priority to CN201710021321.3A priority Critical patent/CN106761431B/en
Publication of CN106761431A publication Critical patent/CN106761431A/en
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Publication of CN106761431B publication Critical patent/CN106761431B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/62Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

Abstract

The present invention relates to roller cutter bit field, more particularly to a kind of anti-well rock stratum inserted tooth hob drill bit.Its technical scheme is:A kind of anti-well rock stratum inserted tooth hob drill bit, including base, are connected with fix bar on base, fix bar is provided with cutter head by bearing;The base includes base plate, one end of base plate is fixed with low level connecting rod, the other end of low level connecting rod and one end ball-joint of fix bar, the other end of base plate is fixed with high-order connecting rod, the other end connection side moves fixed mechanism of high-order connecting rod, the other end connection side moves slide mechanism of fix bar, sidesway slide mechanism is sheathed in sidesway fixed mechanism;High-order connecting rod stage casing is provided with angle adjusting mechanism.The invention provides it is a kind of by cutter head adjust automatically angle of inclination effectively improve drilling efficiency and can vibration damping anti-well rock stratum inserted tooth hob drill bit, solve the problems, such as that existing anti-well roller cutter bit rate of penetration is slow, vibration damage rate is high.

Description

A kind of anti-well rock stratum inserted tooth hob drill bit
Technical field
The present invention relates to roller cutter bit field, more particularly to a kind of anti-well rock stratum inserted tooth hob drill bit.
Background technology
Anti- well rig technological principle is by the motor belt motor hydrodynamic pressure motor of rig, fluid motor-driven tap, and profit Drilling system is delivered torque to hydraulic power, drilling rod and bit, the hobboing cutter on guide hole drill bit or reaming bit is driven In the presence of the pressure of the drill, pure rolling or micro sliding are done along bottom rock working face.The axial direction that main frame oil cylinder is produced simultaneously is drawn, pressure Power, acts on guide hole drill bit or reaming bit also by unit head, drilling rod, the hobboing cutter of guide hole drill bit is rolled under the pressure of the drill effect It is dynamic, impact load is produced, make hob teeth that impact, extruding and shear action, fractured rock are produced to rock.The cutter head of anti-well rig It is fixed on drill main body by bearing.
In drilling, due to the scrambling of landwaste, landwaste may be not orthogonal to cutter head to the pressure direction of cutter head, this When, effective cutting force is component of the gross pressure along vertical cutter head direction.The reduction of effective cutting force declines cutting effect, influences Rate of penetration.If the angle of inclination of cutter head can freely adjust so that gross pressure all the time perpendicular to cutter head, then make entirely by gross pressure It is effective cutting force, drilling efficiency will be improved.When cutter head side is subject to hardness impact, because it does not have vibration damping work( Can, will be damaged because being impacted so that the scrappage of cutter head is improved.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided one kind effectively improves brill by cutter head adjust automatically angle of inclination Enter efficiency and can vibration damping anti-well rock stratum inserted tooth hob drill bit, solve that existing anti-well roller cutter bit rate of penetration is slow, vibration is damaged Bad rate problem high.
To solve above-mentioned technical problem, the present invention uses following technical scheme:
A kind of anti-well rock stratum inserted tooth hob drill bit, including base, are connected with fix bar on base, fix bar is pacified by bearing Equipped with cutter head;The base includes base plate, and one end of base plate is fixed with low level connecting rod, the other end of low level connecting rod and fixation One end ball-joint of bar, the other end of base plate is fixed with high-order connecting rod, and the other end connection side moves of high-order connecting rod are fixed Mechanism, the other end connection side moves slide mechanism of fix bar, sidesway slide mechanism is sheathed in sidesway fixed mechanism;A high position is even Extension bar stage casing is provided with angle adjusting mechanism.
Used as preferred scheme of the invention, the sidesway fixed mechanism includes sidesway chamber, and sidesway chamber is close to the one of fix bar End sets side moves groove, and sidesway slide mechanism is extended in sidesway chamber from sidesway groove, and spring, the axle of spring are fixed with sidesway chamber It is connected in fix bar to the other end perpendicular to fix bar, spring.
Used as preferred scheme of the invention, the sidesway slide mechanism includes sidesway bar, and one end of sidesway bar is fixed on In fixed pole, the other end of sidesway bar is fixed with projection, and projection is arranged in sidesway chamber, the height of the height more than sidesway groove of projection Degree.
Used as preferred scheme of the invention, high-order connecting rod is cut to two parts by the angle adjusting mechanism, and a high position is even Extension bar is the first high-order connecting rod near the part of base plate, and one end of the first high-order connecting rod is fixed with base plate, and first high position is even The other end of extension bar is fixed with angle adjusting mechanism, and high-order connecting rod is the second high-order connection near the part of sidesway fixed mechanism Bar, one end of the second high-order connecting rod is fixed with angle adjusting mechanism, and the other end of the second high-order connecting rod fixes machine with sidesway Structure is fixed;Angle adjusting mechanism includes vert fixed mechanism and the telescoping mechanism that verts, and the telescoping mechanism that verts is sheathed on fixation of verting In mechanism;Vert and be provided with elastic component between fixed mechanism and the telescoping mechanism that verts.
Used as preferred scheme of the invention, the fixed mechanism that verts includes fixed frame, and fixed frame fixes machine near sidesway One end of structure is provided with opening, and fixed frame is fixed away from one end of opening with the first high-order connecting rod, and the telescoping mechanism that verts is from admittedly The opening for determining frame is extended in fixed frame;One end of elastic component is installed on the one end of inner chamber away from opening of fixed frame, elastic component The other end be connected with the telescoping mechanism that verts.
Used as preferred scheme of the invention, the telescoping mechanism that verts includes telescopic block, and telescopic block is provided with fixed frame, Width of the width of telescopic block more than the opening of fixed frame.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, low level connecting rod of the invention and fix bar ball-joint, sidesway slide mechanism are sheathed in sidesway fixed mechanism, So as to when cutter head side is impacted, sidesway slide mechanism drives one end of fix bar to be produced in sidesway fixed mechanism necessarily Sliding, makes cutter head effectively be buffered, it is to avoid cutter head is damaged because of being impacted.High-order connecting rod stage casing sets angled tune Section mechanism, so that cutter head can vert relative to low level connecting rod with the ball pivot contact of fix bar, adapts to the pressure of rock stratum all the time Direction, makes landwaste complete as effective cutting force to the gross pressure of cutter head, improves drilling efficiency.
2nd, when cutter head side is impacted, sidesway slide mechanism produces slip in sidesway chamber, and sidesway is fixed with chamber Spring can make buffering for the impulsive force that cutter head side is subject to, it is to avoid cutter head is damaged.
3rd, sidesway bar is fixed with projection, and projection is moved in sidesway chamber, it is to avoid sidesway bar skids off sidesway chamber.
4th, angle adjusting mechanism includes vert fixed mechanism and the telescoping mechanism that verts, and the telescoping mechanism that verts is sheathed on and verts admittedly Determine in mechanism.When the pressure direction out of plumb that cutter head is subject to is with cutter head, elastic component support verts telescoping mechanism in fixation of verting Stretched in mechanism.So as to cutter head can be inverted, and all the time perpendicular to the pressure direction being subject to, can effectively improve drilling efficiency.
5th, the fixed mechanism that verts includes fixed frame, and the telescoping mechanism that verts can be stretched in the presence of elastic component in fixed frame Contracting.
6th, the telescoping mechanism that verts includes telescopic block, and telescopic block is provided with fixed frame, it is to avoid the telescoping mechanism that verts abjection is solid Determine frame.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 be in Fig. 1 A to local structural graph.
In figure, 1- bases, 2- fix bars, 3- cutter heads, 4- sidesway fixed mechanisms, 5- sidesway slide mechanisms, 6- angular adjustments Mechanism, 7- elastic components, 11- base plates, 12- low level connecting rods, 13- high position connecting rods, 41- springs, 51- sidesway bars, 52- projections, 61- verts fixed mechanism, and 62- verts telescoping mechanism, 611- fixed frames.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not For limiting the present invention.
Embodiment one
A kind of anti-well rock stratum inserted tooth hob drill bit, including base 1, are connected with fix bar 2 on base 1, fix bar 2 passes through axle Hold and cutter head 3 is installed;The base 1 includes base plate 11, and one end of base plate 11 is fixed with low level connecting rod 12, low level connecting rod 12 The other end and fix bar 2 one end ball-joint, the other end of base plate 11 is fixed with high-order connecting rod 13, high-order connecting rod 13 Other end connection side moves fixed mechanism 4, the other end connection side moves slide mechanism 5 of fix bar 2,5 sets of sidesway slide mechanism In sidesway fixed mechanism 4;The stage casing of high-order connecting rod 13 is provided with angle adjusting mechanism 6.
Low level connecting rod 12 of the invention and the ball-joint of fix bar 2, sidesway slide mechanism 5 are sheathed on sidesway fixed mechanism 4 It is interior, so as to when cutter head side is impacted, sidesway slide mechanism 5 drives one end of fix bar 2 to be produced in sidesway fixed mechanism 4 Raw certain sliding, makes cutter head effectively be buffered, it is to avoid cutter head is damaged because of being impacted.The stage casing of high-order connecting rod 13 is set Angled governor motion 6, so that cutter head can vert relative to low level connecting rod 12 with the ball pivot contact of fix bar 2, fits all the time The pressure direction of rock stratum is answered, makes landwaste complete as effective cutting force to the gross pressure of cutter head, improve drilling efficiency.
Embodiment two
A kind of anti-well rock stratum inserted tooth hob drill bit, including base 1, are connected with fix bar 2 on base 1, fix bar 2 passes through axle Hold and cutter head 3 is installed;The base 1 includes base plate 11, and one end of base plate 11 is fixed with low level connecting rod 12, low level connecting rod 12 The other end and fix bar 2 one end ball-joint, the other end of base plate 11 is fixed with high-order connecting rod 13, high-order connecting rod 13 Other end connection side moves fixed mechanism 4, the other end connection side moves slide mechanism 5 of fix bar 2,5 sets of sidesway slide mechanism In sidesway fixed mechanism 4;The stage casing of high-order connecting rod 13 is provided with angle adjusting mechanism 6.
Low level connecting rod 12 of the invention and the ball-joint of fix bar 2, sidesway slide mechanism 5 are sheathed on sidesway fixed mechanism 4 It is interior, so as to when cutter head side is impacted, sidesway slide mechanism 5 drives one end of fix bar 2 to be produced in sidesway fixed mechanism 4 Raw certain sliding, makes cutter head 3 effectively be buffered, it is to avoid cutter head 3 is damaged because of being impacted.The stage casing of high-order connecting rod 13 sets Angle adjusting mechanism 6 is equipped with, so that cutter head can vert relative to low level connecting rod 12 with the ball pivot contact of fix bar 2, all the time The pressure direction of rock stratum is adapted to, makes landwaste complete as effective cutting force to the gross pressure of cutter head, improve drilling efficiency.
The sidesway fixed mechanism 4 includes sidesway chamber, and sidesway chamber sets side moves groove, sidesway near one end of fix bar 2 Slide mechanism 5 is extended in sidesway chamber from sidesway groove, be fixed with spring 41 in sidesway chamber, and spring 41 is axially perpendicular to fix bar 2, the other end of spring 41 is connected in fix bar 2.When the side of cutter head 3 is impacted, sidesway slide mechanism 5 is in sidesway chamber Slip is produced, buffering for the impulsive force that spring 41 can be subject to the side of cutter head 3 is fixed with sidesway chamber, it is to avoid cutter head 3 is damaged.
The sidesway slide mechanism 5 includes sidesway bar 51, and one end of sidesway bar 51 is fixed in fix bar 2, sidesway bar 51 The other end be fixed with projection 52, projection 52 is arranged in sidesway chamber, the height of the height of projection 52 more than sidesway groove.Sidesway bar 51 are fixed with projection 52, and projection 52 is moved in sidesway chamber, it is to avoid sidesway bar 51 skids off sidesway chamber.
Embodiment three
A kind of anti-well rock stratum inserted tooth hob drill bit, including base 1, are connected with fix bar 2 on base 1, fix bar 2 passes through axle Hold and cutter head 3 is installed;The base 1 includes base plate 11, and one end of base plate 11 is fixed with low level connecting rod 12, low level connecting rod 12 The other end and fix bar 2 one end ball-joint, the other end of base plate 11 is fixed with high-order connecting rod 13, high-order connecting rod 13 Other end connection side moves fixed mechanism 4, the other end connection side moves slide mechanism 5 of fix bar 2,5 sets of sidesway slide mechanism In sidesway fixed mechanism 4;The stage casing of high-order connecting rod 13 is provided with angle adjusting mechanism 6.
Low level connecting rod 12 of the invention and the ball-joint of fix bar 2, sidesway slide mechanism 5 are sheathed on sidesway fixed mechanism 4 It is interior, so as to when cutter head side is impacted, sidesway slide mechanism 5 drives one end of fix bar 2 to be produced in sidesway fixed mechanism 4 Raw certain sliding, makes cutter head 3 effectively be buffered, it is to avoid cutter head 3 is damaged because of being impacted.The stage casing of high-order connecting rod 13 sets Angle adjusting mechanism 6 is equipped with, so that cutter head can vert relative to low level connecting rod 12 with the ball pivot contact of fix bar 2, all the time The pressure direction of rock stratum is adapted to, makes landwaste complete as effective cutting force to the gross pressure of cutter head, improve drilling efficiency.
The sidesway fixed mechanism 4 includes sidesway chamber, and sidesway chamber sets side moves groove, sidesway near one end of fix bar 2 Slide mechanism 5 is extended in sidesway chamber from sidesway groove, be fixed with spring 41 in sidesway chamber, and spring 41 is axially perpendicular to fix bar 2, the other end of spring 41 is connected in fix bar 2.When the side of cutter head 3 is impacted, sidesway slide mechanism 5 is in sidesway chamber Slip is produced, buffering for the impulsive force that spring 41 can be subject to the side of cutter head 3 is fixed with sidesway chamber, it is to avoid cutter head 3 is damaged.
The sidesway slide mechanism 5 includes sidesway bar 51, and one end of sidesway bar 51 is fixed in fix bar 2, sidesway bar 51 The other end be fixed with projection 52, projection 52 is arranged in sidesway chamber, the height of the height of projection 52 more than sidesway groove.Sidesway bar 51 are fixed with projection 52, and projection 52 is moved in sidesway chamber, it is to avoid sidesway bar 51 skids off sidesway chamber.
High-order connecting rod 13 is cut to two parts by the angle adjusting mechanism 6, and high-order connecting rod 13 is near base plate 11 Part is the first high-order connecting rod, and one end of the first high-order connecting rod is fixed with base plate 11, the other end of the first high-order connecting rod Fixed with angle adjusting mechanism 6, high-order connecting rod 13 is the second high-order connecting rod, second near the part of sidesway fixed mechanism 4 One end of high-order connecting rod is fixed with angle adjusting mechanism 6, and the other end of the second high-order connecting rod is consolidated with sidesway fixed mechanism 4 It is fixed;Angle adjusting mechanism 6 includes vert fixed mechanism 61 and the telescoping mechanism 62 that verts, and the telescoping mechanism 62 that verts is sheathed on and verts admittedly Determine in mechanism 61;Vert and be provided with elastic component 7 between fixed mechanism 61 and the telescoping mechanism 62 that verts.When the pressure that cutter head 3 is subject to When direction out of plumb is with cutter head 3, elastic component 7 supports the telescoping mechanism 62 that verts to be stretched in the fixed mechanism 61 that verts.So as to cutter head 3 can invert, and all the time perpendicular to the pressure direction that it is subject to, can effectively improve drilling efficiency.
Example IV
A kind of anti-well rock stratum inserted tooth hob drill bit, including base 1, are connected with fix bar 2 on base 1, fix bar 2 passes through axle Hold and cutter head 3 is installed;The base 1 includes base plate 11, and one end of base plate 11 is fixed with low level connecting rod 12, low level connecting rod 12 The other end and fix bar 2 one end ball-joint, the other end of base plate 11 is fixed with high-order connecting rod 13, high-order connecting rod 13 Other end connection side moves fixed mechanism 4, the other end connection side moves slide mechanism 5 of fix bar 2,5 sets of sidesway slide mechanism In sidesway fixed mechanism 4;The stage casing of high-order connecting rod 13 is provided with angle adjusting mechanism 6.
Low level connecting rod 12 of the invention and the ball-joint of fix bar 2, sidesway slide mechanism 5 are sheathed on sidesway fixed mechanism 4 It is interior, so as to when cutter head side is impacted, sidesway slide mechanism 5 drives one end of fix bar 2 to be produced in sidesway fixed mechanism 4 Raw certain sliding, makes cutter head 3 effectively be buffered, it is to avoid cutter head 3 is damaged because of being impacted.The stage casing of high-order connecting rod 13 sets Angle adjusting mechanism 6 is equipped with, so that cutter head can vert relative to low level connecting rod 12 with the ball pivot contact of fix bar 2, all the time The pressure direction of rock stratum is adapted to, makes landwaste complete as effective cutting force to the gross pressure of cutter head, improve drilling efficiency.
The sidesway fixed mechanism 4 includes sidesway chamber, and sidesway chamber sets side moves groove, sidesway near one end of fix bar 2 Slide mechanism 5 is extended in sidesway chamber from sidesway groove, be fixed with spring 41 in sidesway chamber, and spring 41 is axially perpendicular to fix bar 2, the other end of spring 41 is connected in fix bar 2.When the side of cutter head 3 is impacted, sidesway slide mechanism 5 is in sidesway chamber Slip is produced, buffering for the impulsive force that spring 41 can be subject to the side of cutter head 3 is fixed with sidesway chamber, it is to avoid cutter head 3 is damaged.
The sidesway slide mechanism 5 includes sidesway bar 51, and one end of sidesway bar 51 is fixed in fix bar 2, sidesway bar 51 The other end be fixed with projection 52, projection 52 is arranged in sidesway chamber, the height of the height of projection 52 more than sidesway groove.Sidesway bar 51 are fixed with projection 52, and projection 52 is moved in sidesway chamber, it is to avoid sidesway bar 51 skids off sidesway chamber.
High-order connecting rod 13 is cut to two parts by the angle adjusting mechanism 6, and high-order connecting rod 13 is near base plate 11 Part is the first high-order connecting rod, and one end of the first high-order connecting rod is fixed with base plate 11, the other end of the first high-order connecting rod Fixed with angle adjusting mechanism 6, high-order connecting rod 13 is the second high-order connecting rod, second near the part of sidesway fixed mechanism 4 One end of high-order connecting rod is fixed with angle adjusting mechanism 6, and the other end of the second high-order connecting rod is consolidated with sidesway fixed mechanism 4 It is fixed;Angle adjusting mechanism 6 includes vert fixed mechanism 61 and the telescoping mechanism 62 that verts, and the telescoping mechanism 62 that verts is sheathed on and verts admittedly Determine in mechanism 61;Vert and be provided with elastic component 7 between fixed mechanism 61 and the telescoping mechanism 62 that verts.When the pressure that cutter head 3 is subject to When direction out of plumb is with cutter head 3, elastic component 7 supports the telescoping mechanism 62 that verts to be stretched in the fixed mechanism 61 that verts.So as to cutter head 3 can invert, and all the time perpendicular to the pressure direction that it is subject to, can effectively improve drilling efficiency.
The fixed mechanism 61 that verts includes fixed frame 611, and fixed frame 611 is set near one end of sidesway fixed mechanism 4 There is opening, fixed frame 611 is fixed away from one end of opening with the first high-order connecting rod, and vert telescoping mechanism 62 from fixed frame 611 Opening extend in fixed frame 611;One end of elastic component 7 is installed on the one end of inner chamber away from opening of fixed frame 611, elasticity The other end of part 7 is connected with the telescoping mechanism 62 that verts.The fixed mechanism 61 that verts includes fixed frame 611, and verting telescoping mechanism 62 can Stretched in fixed frame 611 in the presence of elastic component 7.
The telescoping mechanism 62 that verts includes telescopic block, and telescopic block is provided with fixed frame 611, and the width of telescopic block is more than The width of the opening of fixed frame 611.The telescoping mechanism 62 that verts includes telescopic block, and telescopic block is provided with fixed frame 611, it is to avoid inclined Turn the abjection fixed frame of telescoping mechanism 62.

Claims (6)

1. a kind of anti-well rock stratum inserted tooth hob drill bit, including base (1), is connected with fix bar (2), fix bar (2) on base (1) Cutter head (3) is provided with by bearing;Characterized in that, the base (1) includes base plate (11), one end of base plate (11) is fixed with Low level connecting rod (12), the other end of low level connecting rod (12) and one end ball-joint of fix bar (2), the other end of base plate (11) High-order connecting rod (13) is fixed with, the other end of high-order connecting rod (13) connects side moves fixed mechanism (4), fix bar (2) The other end connects side moves slide mechanism (5), and sidesway slide mechanism (5) is sheathed in sidesway fixed mechanism (4);High-order connecting rod (13) stage casing is provided with angle adjusting mechanism (6).
2. a kind of anti-well rock stratum inserted tooth hob drill bit according to claim 1, it is characterised in that the sidesway fixed mechanism (4) including sidesway chamber, sidesway chamber sets side moves groove near one end of fix bar (2), and sidesway slide mechanism (5) prolongs from sidesway groove Reach in sidesway chamber, be fixed with spring (41) in sidesway chamber, spring (41) is axially perpendicular to fix bar (2), spring (41) The other end is connected in fix bar (2).
3. a kind of anti-well rock stratum inserted tooth hob drill bit according to claim 2, it is characterised in that the sidesway slide mechanism (5) including sidesway bar (51), one end of sidesway bar (51) is fixed in fix bar (2), and the other end of sidesway bar (51) is fixed with Projection (52), projection (52) is arranged in sidesway chamber, the height of the height more than sidesway groove of projection (52).
4. a kind of anti-well rock stratum inserted tooth hob drill bit according to claim 1, it is characterised in that the angle adjusting mechanism (6) high-order connecting rod (13) is cut to two parts, high-order connecting rod (13) is near the part of base plate (11) for first high position connects Extension bar, one end of the first high-order connecting rod is fixed with base plate (11), the other end and angle adjusting mechanism of the first high-order connecting rod (6) fixed, high-order connecting rod (13) is the second high-order connecting rod, the second high-order connection near the part of sidesway fixed mechanism (4) One end of bar is fixed with angle adjusting mechanism (6), and the other end of the second high-order connecting rod is fixed with sidesway fixed mechanism (4);Angle Degree governor motion (6) includes the fixed mechanism that verts (61) and the telescoping mechanism that verts (62), and the telescoping mechanism that verts (62) is sheathed on and inclines Turn in fixed mechanism (61);Vert and elastic component (7) is provided between fixed mechanism (61) and the telescoping mechanism that verts (62).
5. a kind of anti-well rock stratum inserted tooth hob drill bit according to claim 4, it is characterised in that the fixed mechanism that verts (61) including fixed frame (611), fixed frame (611) is provided with opening, fixed frame near one end of sidesway fixed mechanism (4) (611) one end and the first high-order connecting rod away from opening are fixed, and the telescoping mechanism that verts (62) prolongs from the opening of fixed frame (611) Extend in fixed frame (611);One end of elastic component (7) is installed on the one end of inner chamber away from opening of fixed frame (611), elastic component (7) the other end is connected with the telescoping mechanism that verts (62).
6. a kind of anti-well rock stratum inserted tooth hob drill bit according to claim 5, it is characterised in that the telescoping mechanism that verts (62) including telescopic block, telescopic block is provided with fixed frame (611), and the width of telescopic block is more than the opening of fixed frame (611) Width.
CN201710021321.3A 2017-01-11 2017-01-11 A kind of anti-well rock stratum inserted tooth hob drill bit Active CN106761431B (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN107905734A (en) * 2017-11-14 2018-04-13 江苏和信石油机械有限公司 A kind of anti-well of position adjustment type bores machine bit
CN107905736A (en) * 2017-11-14 2018-04-13 江苏和信石油机械有限公司 A kind of floating type anti-well bores machine bit
CN109538129A (en) * 2018-11-06 2019-03-29 江苏和信石油机械有限公司 A kind of anti-well brill machine bit of convenient assembling
CN109538126A (en) * 2018-11-06 2019-03-29 江苏和信石油机械有限公司 A kind of anti-well brill machine bit
CN110295845A (en) * 2019-04-29 2019-10-01 江苏和信石油机械有限公司 A kind of anti-well drilling machine of automatic drive type
CN110318663A (en) * 2019-04-29 2019-10-11 江苏和信石油机械有限公司 A kind of convenient anti-well drilling machine of automatic drive type of adjusting

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CN201391233Y (en) * 2009-04-30 2010-01-27 中国水利水电建设集团公司 Raise boring bit
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107905734A (en) * 2017-11-14 2018-04-13 江苏和信石油机械有限公司 A kind of anti-well of position adjustment type bores machine bit
CN107905736A (en) * 2017-11-14 2018-04-13 江苏和信石油机械有限公司 A kind of floating type anti-well bores machine bit
CN109538129A (en) * 2018-11-06 2019-03-29 江苏和信石油机械有限公司 A kind of anti-well brill machine bit of convenient assembling
CN109538126A (en) * 2018-11-06 2019-03-29 江苏和信石油机械有限公司 A kind of anti-well brill machine bit
CN110295845A (en) * 2019-04-29 2019-10-01 江苏和信石油机械有限公司 A kind of anti-well drilling machine of automatic drive type
CN110318663A (en) * 2019-04-29 2019-10-11 江苏和信石油机械有限公司 A kind of convenient anti-well drilling machine of automatic drive type of adjusting

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