CN207686610U - Reacting cycle flow channel type twin-stage reamer - Google Patents

Reacting cycle flow channel type twin-stage reamer Download PDF

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Publication number
CN207686610U
CN207686610U CN201721845793.2U CN201721845793U CN207686610U CN 207686610 U CN207686610 U CN 207686610U CN 201721845793 U CN201721845793 U CN 201721845793U CN 207686610 U CN207686610 U CN 207686610U
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CN
China
Prior art keywords
pedestal
mandrel
bucket
reacting cycle
welded
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.)
Expired - Fee Related
Application number
CN201721845793.2U
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Chinese (zh)
Inventor
魏秦文
任斌
尹永清
董超群
曲海
任连城
郭咏梅
田芳
巫尚蔚
韩涛
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Chongqing University of Science and Technology
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Chongqing University of Science and Technology
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Publication date
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Priority to CN201721845793.2U priority Critical patent/CN207686610U/en
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Publication of CN207686610U publication Critical patent/CN207686610U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of reacting cycle flow channel type twin-stage reamer, including reacting cycle assembly, reacting cycle assembly includes a mandrel for being internally provided with reacting cycle structure, the both ends of mandrel are female adapter, righting bucket before being welded on the shell of mandrel, level-one reaming pedestal, secondary chambering pedestal, righting bucket and slag absorbing bucket afterwards, spiral wing before being welded on the shell of preceding righting bucket, it is welded with rear screw wing on the shell of rear righting bucket, slag absorbing bucket is welded on the position between level-one reaming pedestal and secondary chambering pedestal on the shell of mandrel, slag absorbing bucket is connected to by dreg inhaling pipe with mandrel, on the shell of mandrel reinforcing rib is respectively welded on the end face of rear righting bucket, it is respectively fixed with bit leg and double PDC wings on level-one reaming pedestal and secondary chambering pedestal, the end of bit leg is connected with gear wheel.The utility model is applicable to different geology, and single reaming section is big, and reaming is efficient, and cutting edge is Ke Kuaisugenghuan, cost-effective, prolongs the service life.

Description

Reacting cycle flow channel type twin-stage reamer
Technical field
The utility model belongs to horizontal directional drilling technology field, especially relates to a kind of suitable for Pipeline Crossing by Horizontal Directional Drilling The reaming tool of engineering.
Background technology
Heavy caliber, pass through over long distances be present level Directional Drilling work progress key points and difficulties.Long range bad ground Pass through common cone reamer.The no unified professional standard of common cone reamer processing and manufacturing at present, of poor quality, quick abrasion, Consumption is big, and service life is generally low, and the drilling accidents such as the snaggletooth palm, lost cone, loss of tooth are more.
During Horizontal directional through-passing, there are many disadvantages for conventional cone reamer, such as:Single is crushed area It is small, low using direct circulation deslagging efficiency, using welding procedure gear wheel, bit leg it is non-exchange, of high cost etc., while expanding over long distances Hole, conventional reamer are also faced with that guidance capability is poor, drill rod boring tool swings that big, angle of inclination is big under drill assembly gravity asks Topic.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of reacting cycle flow channel type twin-stage reamer, to solve Problem pointed by above-mentioned background technology.
The utility model provides a kind of reacting cycle flow channel type twin-stage reamer, including:Reacting cycle assembly, reacting cycle assembly packet A mandrel is included, reacting cycle structure is provided in mandrel, the both ends of mandrel are female adapter, are welded on the shell of mandrel There are preceding righting bucket, level-one reaming pedestal, secondary chambering pedestal, rear righting bucket and slag absorbing bucket, is welded on the shell of preceding righting bucket There is preceding spiral wing, rear screw wing is welded on the shell of rear righting bucket, slag absorbing bucket, which is welded on the shell of mandrel, to be located at Position between level-one reaming pedestal and secondary chambering pedestal, slag absorbing bucket are connected to by dreg inhaling pipe with mandrel, in the shell of mandrel It is respectively welded reinforcing rib on the upper end face with rear righting bucket, is respectively fixed with on secondary chambering pedestal in level-one reaming pedestal Bit leg and double PDC wings, the end of bit leg are connected with gear wheel.
Additionally, it is preferred that structure be to offer spanner slot at the both ends of the shell of mandrel.
Furthermore it is preferred that structure be that fixed bit leg and double is respectively equipped on level-one reaming pedestal and secondary chambering pedestal The groove of PDC wings is arranged, the annular location between two grooves is equipped with flow path groove, and flow path groove is uniformly distributed along the circumferential direction of mandrel.
Furthermore preferred structure is, through-hole is offered on bit leg and double PDC wings, in level-one reaming pedestal, two Offer blind hole in the groove of grade reaming pedestal, bit leg and double PDC wings by trip bolt be fastened on level-one reaming pedestal, In the groove of secondary chambering pedestal.
Additionally, it is preferred that structure be bit leg and PDC wings being fastened in groove separately.
Furthermore it is preferred that structure be to offer semicircle in the end face of bit leg, level-one reaming pedestal and secondary chambering pedestal The pin shaft hole of shape, axis pin is fixed in pin shaft hole by stop screw.
Furthermore preferred structure is, it is welded with gauge teeth in the palm back of bit leg, in the end set of double PDC wings There is boss, wear-resistant strip is welded on boss.
Additionally, it is preferred that structure be that the both ends of dreg inhaling pipe are threadedly coupled with mandrel, slag absorbing bucket respectively, and dreg inhaling pipe is along mandrel Circumferential direction it is uniformly distributed.
Furthermore it is preferred that structure be that the center line of the end face of nearly gear wheel side is connected in preceding spiral wing, rear screw wing It is aligned respectively with the center line of the center line of gear wheel median plane, double PDC wings median plane, preceding spiral wing, rear screw wing Rotation direction it is identical as the direction of rotation of circulatory flow formula twin-stage reamer, inlayed on preceding spiral wing, rear screw wing There are carbide button, the quantity of preceding spiral wing and the double PDC wings being fixed on level-one reaming pedestal, the quantity summation phase of gear wheel Together, the quantity of rear screw wing is identical as the double PDC wings, the quantity summation of gear wheel that are fixed on secondary chambering pedestal.
Also a kind of reacting cycle flow channel type twin-stage reamer of the utility model, including:Reacting cycle assembly, reacting cycle assembly include A piece mandrel is provided with reacting cycle structure in mandrel, and the both ends of mandrel are female adapter, are welded on the shell of mandrel Level-one reaming pedestal, secondary chambering pedestal, rear righting bucket and slag absorbing bucket, spiral wing before being welded on the shell of mandrel, Rear screw wing is welded on the shell of righting bucket afterwards, slag absorbing bucket, which is welded on the shell of mandrel, is located at level-one reaming pedestal and two Position between grade reaming pedestal, slag absorbing bucket is connected to by dreg inhaling pipe with mandrel, on the shell of mandrel with the end of rear righting bucket It is respectively welded reinforcing rib on face, bit leg, the end of bit leg are respectively fixed on level-one reaming pedestal and secondary chambering pedestal It is connected with gear wheel.
Using above-mentioned reacting cycle flow channel type twin-stage reamer provided by the utility model, following technique effect can be obtained:
(1) due to using gear wheel-PDC composite structures, twin-stage reaming design, the inserted reinforcing in bit leg back, screw fastening Deng design, soft or hard complicated geological is adaptable, and single reaming section is big, and reaming is efficient, and cutting edge is Ke Kuaisugenghuan, saves significantly About reamer buying expenses extend reamer service life;
(2) front and back to be all made of spiral wing, all intervals stud with carbide button on preceding spiral wing and rear screw wing, can Effective protection gear wheel, rear portion deslagging are combined using barrel type with flow channel type, and chip removal ability is strong, avoids talus deposit, can be ensured Track is unobstructed, improves righting effect;
(3) reacting cycle structure and technique are used, makes mud that there is higher upward velocity, in effectively solving, major diameter wears The problem that more engineering slurry flow velocity is low, Cutting movement efficiency is low.
Description of the drawings
By reference to the explanation below in conjunction with attached drawing, and with the utility model is more fully understood, this practicality is new The other purposes and result of type will be more clearly understood and understood.In the accompanying drawings:
Fig. 1 is the front view according to the reacting cycle flow channel type twin-stage reamer of the utility model embodiment one;
Fig. 2 is the right view according to the reacting cycle flow channel type twin-stage reamer of the utility model embodiment one;
Fig. 3 is the front view according to the reacting cycle flow channel type twin-stage reamer of the utility model embodiment two.
Reference numeral therein includes:1~reacting cycle assembly, 2~preceding righting bucket, 3~preceding spiral wing, 4~gear wheel, 5 ~bit leg, 6~double PDC wings, 7~level-one reaming pedestal, 8~secondary chambering pedestal, 9~rear screw wing, 10~after help Positive bucket, 11~rear reinforcing rib, 12~stop screw, 13~trip bolt, 14~dreg inhaling pipe, 15~slag absorbing bucket, 16~axis pin.
Specific implementation mode
Specific embodiment of the utility model is described in detail below with reference to attached drawing.
Embodiment one
The cutting edge for the reacting cycle flow channel type twin-stage reamer that embodiment provides uses gear wheel-PDC combined type cutting structures.
Fig. 1 and Fig. 2 respectively illustrates the master of the reacting cycle flow channel type twin-stage reamer according to the utility model embodiment one Structure is regarded depending on structure and the right side.
As Fig. 1 and Fig. 2 jointly shown in, the utility model embodiment one provide reacting cycle flow channel type twin-stage reamer, packet It includes:Reacting cycle assembly 1, preceding righting bucket 2, preceding spiral wing 3, gear wheel 4, bit leg 5, double PDC (Polycrystalline Diamond Compact, composite polycrystal-diamond) wing 6, level-one reaming pedestal 7, secondary chambering pedestal 8, rear screw wing 9, rear righting bucket 10, rear reinforcing rib 11, stop screw 12, trip bolt 13, dreg inhaling pipe 14, slag absorbing bucket 15 and axis pin 16;Wherein, Reacting cycle assembly 1 includes a mandrel, reacting cycle structure is provided in mandrel, the both ends of mandrel are internal thread structure, preceding to help Positive bucket 2, rear righting bucket 10, level-one reaming pedestal 7 and secondary chambering pedestal 8 are respectively welded on the shell of mandrel, preceding circular knife Before the wing 3 is welded on the shell of righting bucket 2, rear screw wing 9 is welded on the shell of rear righting bucket 2;Slag absorbing bucket 15 welds core Position on axis between level-one reaming pedestal 7 and secondary chambering pedestal 8, the both ends of dreg inhaling pipe 14 respectively with mandrel, slag absorbing Bucket 15 is threadedly coupled, to which mandrel and slag absorbing bucket 15 be connected;Reinforcing rib 11 is respectively welded on the shell of mandrel afterwards helps with after On the end face of positive bucket 10;Spanner slot is offered respectively at the both ends of the shell of mandrel;In level-one reaming pedestal 7 and secondary chambering base The groove of fixed bit leg 5 and double PDC wings 6 is offered on seat 8, annular location is equipped with flow path groove between two grooves, Flow path groove is uniformly distributed along the circumferential direction of mandrel, and bit leg 5 is alternate with double PDC wings 6 to be fixed in groove;Bit leg 5 thickeies, widens, Offer through-hole respectively on bit leg 5 and double PDC wings, level-one reaming pedestal 7, secondary chambering pedestal 8 groove in it is corresponding Offer blind hole in the position of through-hole, bit leg 5 and double PDC wings 6 by trip bolt 13 be fastened on level-one reaming pedestal 7, In the groove of secondary chambering pedestal 8;Half is further opened on the end face of bit leg 5, level-one reaming pedestal 7 and secondary chambering pedestal 8 Circular pin shaft hole, axis pin 16 are fixed on by stop screw 12 in pin shaft hole;Staggeredly it is welded with gauge in the palm back of bit leg 5 Tooth, gear wheel 4 are connected to the end of bit leg 5, are equipped with boss in the end of double PDC wings 6,6mm thickness is welded on boss Wear-resistant strip;Gear wheel 4, double PDC wings 6, dreg inhaling pipe 14 are uniformly distributed along the circumferential direction of mandrel respectively, and double PDC wings 6, dreg inhaling pipe 14 along mandrel circumferential direction it is alternate uniformly distributed;Preceding spiral wing 3 (is fixed on level-one reaming pedestal 7) end face of side close to gear wheel 4 Center line be aligned with the center line of the median plane of gear wheel 4, rear screw wing 9 (is fixed on secondary chambering pedestal 8 close to gear wheel 4 On) center line of the end face of side is aligned with the center line of the median plane of gear wheel 4, the rotation of preceding spiral wing 3 and rear screw wing 9 To identical as the direction of rotation of reacting cycle flow channel type twin-stage reamer, it is spaced on preceding spiral wing 3, rear screw wing 9 It is inlaid with the carbide button for protecting gear wheel 4, the quantity of preceding spiral wing 3 and the double PDC being fixed on level-one reaming pedestal 7 Wing 6, the quantity summation of gear wheel 4 are identical, the quantity of rear screw wing 9 and the double PDC knives being fixed on secondary chambering pedestal 8 The wing 6, the quantity summation of gear wheel 4 are identical.
Embodiment two
The cutting edge for the compound reamer of reacting cycle flow channel type twin-stage that embodiment two provides uses cutter cutting structure.
Fig. 3 shows the front view structure of the reacting cycle flow channel type twin-stage reamer according to the utility model embodiment two.
As shown in figure 3, the reacting cycle flow channel type twin-stage reamer that the utility model embodiment two provides, including:Reacting cycle Assembly 1, preceding spiral wing 3, gear wheel 4, bit leg 5, level-one reaming pedestal 7, secondary chambering pedestal 8, rear screw wing 9, rear righting Bucket 10, rear reinforcing rib 11, stop screw 12, trip bolt 13, dreg inhaling pipe 14, slag absorbing bucket 15 and axis pin 16;Gear wheel 4, bit leg 5, Level-one reaming pedestal 7, secondary chambering pedestal 8, rear screw wing 9, rear righting bucket 10, rear reinforcing rib 11, stop screw 12, fastening The structure of screw 13, dreg inhaling pipe 14, slag absorbing bucket 15 and axis pin 16 is identical as the structure for implementing one, the present embodiment two and embodiment one Be distinguished as:Righting bucket before being welded not on the shell of the mandrel of reacting cycle assembly 1, and preceding spiral wing 3 is directly welded at core On the shell of axis.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described with power Subject to the protection domain that profit requires.

Claims (10)

1. a kind of reacting cycle flow channel type twin-stage reamer, which is characterized in that including:Reacting cycle assembly (1), the reacting cycle assembly (1) include a mandrel, reacting cycle structure is provided in the mandrel, the both ends of the mandrel are female adapter, in institute It states and is welded with preceding righting bucket (2), level-one reaming pedestal (7), secondary chambering pedestal (8), rear righting bucket (10) on the shell of mandrel With slag absorbing bucket (15), preceding spiral wing (3) is welded on the shell of the preceding righting bucket (2), in the rear righting bucket (10) Shell on be welded with rear screw wing (9), the slag absorbing bucket (15), which is welded on the shell of the mandrel, is located at the level-one Position between reaming pedestal (7) and the secondary chambering pedestal (8), the slag absorbing bucket (15) by dreg inhaling pipe (14) with it is described Mandrel is connected to, and reinforcing rib (11) is respectively welded on the end face of the rear righting bucket (10) on the shell of the mandrel, It is respectively fixed with bit leg (5) and double PDC wings (6) on the level-one reaming pedestal (7) and the secondary chambering pedestal (8), The end of the bit leg (5) is connected with gear wheel (4).
2. reacting cycle flow channel type twin-stage reamer as described in claim 1, which is characterized in that the two of the shell of the mandrel End offers spanner slot.
3. reacting cycle flow channel type twin-stage reamer as described in claim 1, which is characterized in that in the level-one reaming pedestal (7) and on the secondary chambering pedestal (8) it is respectively equipped with the groove of the fixed bit leg (5) and the double PDC wings (6), Annular location between two grooves is equipped with flow path groove, and the flow path groove is uniformly distributed along the circumferential direction of the mandrel.
4. reacting cycle flow channel type twin-stage reamer as claimed in claim 3, which is characterized in that in the bit leg (5) and described Through-hole is offered on double PDC wings (6), in the level-one reaming pedestal (7), the groove of the secondary chambering pedestal (8) Blind hole is inside offered, the bit leg (5) is fastened on the level-one by trip bolt (13) with the double PDC wings (6) and expands Hole pedestal (7), the secondary chambering pedestal (8) groove in.
5. reacting cycle flow channel type twin-stage reamer as claimed in claim 4, which is characterized in that the bit leg (5) and the PDC Wing (6) being fastened in the groove separately.
6. reacting cycle flow channel type twin-stage reamer as described in claim 1, which is characterized in that in the bit leg (5), described one The end face of grade reaming pedestal (7) and the secondary chambering pedestal (8) offers semicircular pin shaft hole, in the pin shaft hole It is fixed with axis pin (16) by stop screw (12).
7. reacting cycle flow channel type twin-stage reamer as described in claim 1, which is characterized in that carried on the back in the palm of the bit leg (5) On be welded with gauge teeth, have boss in the end set of the double PDC wings (6), wear-resistant strip be welded on the boss.
8. reacting cycle flow channel type twin-stage reamer as described in claim 1, which is characterized in that the both ends of the dreg inhaling pipe (14) It is threadedly coupled respectively with the mandrel, the slag absorbing bucket (15), the dreg inhaling pipe (14) is uniformly distributed along the circumferential direction of the mandrel.
9. reacting cycle flow channel type twin-stage reamer as described in claim 1, which is characterized in that the preceding spiral wing (3), The rear screw wing (9) close to the gear wheel (4) side end face center line respectively in the gear wheel (4) median plane The center line alignment of heart line, double PDC wings (6) median plane, the preceding spiral wing (3), the rear screw wing (9) Rotation direction it is identical as the direction of rotation of circulatory flow formula twin-stage reamer, the preceding spiral wing (3), it is described after spiral shell It is inlaid with carbide button on the rotary knife wing (9), the quantity of the preceding spiral wing (3) and is fixed on the level-one reaming pedestal (7) On double PDC wings (6), the quantity summation of gear wheel (4) it is identical, the quantity of the rear screw wing (9) and be fixed on described Double PDC wings (6) on secondary chambering pedestal (8), the quantity summation of gear wheel (4) are identical.
10. a kind of reacting cycle flow channel type twin-stage reamer, which is characterized in that including:Reacting cycle assembly (1), the reacting cycle are total Including a mandrel at (1), reacting cycle structure is provided in the mandrel, the both ends of the mandrel are female adapter, Level-one reaming pedestal (7), secondary chambering pedestal (8), rear righting bucket (10) and slag absorbing bucket are welded on the shell of the mandrel (15), spiral wing (3) before being welded on the shell of the mandrel, after being welded on the shell of righting bucket (10) in the rear Spiral wing (9), the slag absorbing bucket (15) be welded on the shell of the mandrel be located at the level-one reaming pedestal (7) with it is described Position between secondary chambering pedestal (8), the slag absorbing bucket (15) is connected to by dreg inhaling pipe (14) with the mandrel, in the core It is respectively welded reinforcing rib (11) on the end face of the rear righting bucket (10) on the shell of axis, in the level-one reaming pedestal (7) and it is respectively fixed with bit leg (5) on the secondary chambering pedestal (8), the end of the bit leg (5) is connected with gear wheel (4).
CN201721845793.2U 2017-12-26 2017-12-26 Reacting cycle flow channel type twin-stage reamer Expired - Fee Related CN207686610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721845793.2U CN207686610U (en) 2017-12-26 2017-12-26 Reacting cycle flow channel type twin-stage reamer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721845793.2U CN207686610U (en) 2017-12-26 2017-12-26 Reacting cycle flow channel type twin-stage reamer

Publications (1)

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CN207686610U true CN207686610U (en) 2018-08-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965270A (en) * 2017-12-26 2018-04-27 重庆科技学院 Reacting cycle flow channel type twin-stage reamer
CN114837566A (en) * 2022-05-19 2022-08-02 奥瑞拓能源科技股份有限公司 Spiral gear roller bit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965270A (en) * 2017-12-26 2018-04-27 重庆科技学院 Reacting cycle flow channel type twin-stage reamer
CN114837566A (en) * 2022-05-19 2022-08-02 奥瑞拓能源科技股份有限公司 Spiral gear roller bit
CN114837566B (en) * 2022-05-19 2023-03-14 奥瑞拓能源科技股份有限公司 Spiral gear roller bit

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180803

Termination date: 20201226