CN206830099U - A kind of electric drive spiral batch-type downhole tractor - Google Patents
A kind of electric drive spiral batch-type downhole tractor Download PDFInfo
- Publication number
- CN206830099U CN206830099U CN201720778044.6U CN201720778044U CN206830099U CN 206830099 U CN206830099 U CN 206830099U CN 201720778044 U CN201720778044 U CN 201720778044U CN 206830099 U CN206830099 U CN 206830099U
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- Prior art keywords
- support
- electric drive
- downhole tractor
- base pipe
- drive spiral
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 230000009194 climbing Effects 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
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Abstract
It the utility model is related to a kind of downhole tractor, and in particular to a kind of electric drive spiral batch-type downhole tractor.It is made up of base pipe, motor, support meanss, centralizer A and centralizer B, one end of base pipe is provided with centralizer A by connector, the other end of base pipe is fixed with motor, the outside of motor is equipped with centralizer B, support meanss are set with base pipe, base pipe is interior to be provided with turn-screw by bearing, and turn-screw is connected with motor, feed screw nut is provided with turn-screw, feed screw nut is fixedly connected by contiguous block with support meanss.The electric drive spiral batch-type downhole tractor has the characteristics of simple in construction, motion is flexible, and hauling speed is fast, and obstacle climbing ability is strong, tractive force is big, size is small, solves conventional tractor poor reliability, the problem of obstacle climbing ability is insufficient, and efficiency is low, used especially suitable for underground work.
Description
Technical field
It the utility model is related to a kind of downhole tractor, and in particular to a kind of electric drive spiral batch-type downhole tractor.
Background technology
Downhole tractor is also referred to as underground crawl device, is the prevailing transmission instrument of present level borehole logging tool, and gradually to
The application aspect such as Microdrilling drilling well and underground work develops.Due to environment space is narrow elongated under oil well and geometry not
It is determined that or vary widely, and the driving wheel of conventional wheel tractor and casing wall contact area are small, and are continuously to contact,
Cause its tractive force smaller, underground obstacle climbing ability is weaker, is only applicable to casing diameter and deforms not serious well without reducing or set damage
Condition.Though telescopic tractor can well adapt to the change of tube wall, overall longer dimension, encountering with constant slope
During well section, in fact it could happen that stuck phenomenon.Therefore, obstacle climbing ability is strong, and tractive force is big, and the development of the small downhole tractor of size just has
Important meaning.
The content of the invention
The purpose of this utility model is：There is provided one kind has the characteristics of simple in construction, motion is flexible, and hauling speed is fast,
And obstacle climbing ability is strong, tractive force is big, size is small, to solve conventional tractor poor reliability, obstacle climbing ability deficiency, the low problem of efficiency
Electric drive spiral batch-type downhole tractor.
The technical solution of the utility model is：
A kind of electric drive spiral batch-type downhole tractor；It by base pipe, motor, support meanss, centralizer A and
Centralizer B is formed, it is characterised in that：One end of base pipe is provided with centralizer A by connector, and the other end of base pipe is fixedly mounted with
There is motor, the outside of motor is equipped with centralizer B, is set with support meanss on base pipe, passes through bearing in base pipe
Turn-screw is provided with, turn-screw is connected with motor, and feed screw nut is provided with turn-screw, and feed screw nut passes through company
Block is connect to be fixedly connected with support meanss.
Described centralizer A and centralizer B is made up of righting seat, flexure strip, spring and sliding block respectively, and righting seat is tubular
Body, is evenly equipped with multiple chutes on the circumference of righting seat, and sliding block is housed by spring in chute, on the righting seat circumference of chute side
Shape corresponding with chute is provided with multiple flexure strips, and one end of flexure strip is fixedly connected with righting seat, the other end and cunning of flexure strip
Block is fixedly connected.
Described flexure strip is in curved arc shape, is spaced on flexure strip and is provided with righting wheel.
Fitting recess is provided with described base pipe, positioning runner is provided with the base pipe of fitting recess both sides, positioning is slided
Isolation recesses are provided with base pipe between groove and fitting recess, feed screw nut is connected by contiguous block through fitting recess and support meanss
Connect.
Locating piece corresponding with positioning runner is provided with described feed screw nut, one end of locating piece extends to positioning and slided
In groove.
Described support meanss are made up of support base, support chute, support slipper, support frame, electromagnet and retainer ring；Branch
Support seat is cylindrical body, and one end termination of support base is provided with electromagnet by retainer ring, on the support base circumference of electromagnet side
It is evenly equipped with multiple support chutes, support chute passes through peace built with support slipper on support base circumference corresponding with support chute
Dress ear is movably installed with support frame, and support frame is connected with support slipper；Permanent magnet is fixed with the outside of described support slipper.
Brush hole is provided with support base between described support chute；Brush is provided with brush in hole.
Described support frame is made up of mounting rod, support bar and connecting rod；Pass through pin activity on symmetrically arranged mounting rod
Support bar is installed, one end of support bar is movably installed with connecting rod, and one end of connecting rod is flexibly connected by pin with support slipper.
Electric rail is provided with described isolation recesses；Electric rail is connected by brush with electromagnet.
Screw telescopic set is respectively arranged with the base pipe of described support meanss both sides.
The beneficial effects of the utility model are：
During the electric drive spiral batch-type downhole tractor use, when motor driving turn-screw rotates forward,
Ground control system controls electric rail power-off, and electromagnet is not powered on, and permanent magnet attracts electromagnet, support frame is in retracted state,
Support meanss travel forward in the presence of turn-screw.When motor driving turn-screw reversion, ground control system
Electric rail is controlled to be powered, thus electromagnet is powered, permanent magnet（Repel with electromagnet homopolarity, support frame is in holding state, force
Support meanss are static relative to pit shaft, make turn-screw drive base pipe to advance by reaction force, thus achieve the traction
The batch (-type) traction of device moves ahead.The electric drive spiral batch-type downhole tractor has simple in construction, and motion is flexible, hauling speed
The characteristics of fast, and obstacle climbing ability is strong, tractive force is big, size is small, solves conventional tractor poor reliability, and obstacle climbing ability is insufficient,
The problem of efficiency is low, used especially suitable for underground work.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of centralizer of the present utility model；
Fig. 3 is the structural representation of base pipe of the present utility model；
Fig. 4 is the structural representation of support meanss of the present utility model；
Fig. 5 is that support meanss of the present utility model remove the structural representation after support frame.
In figure：1st, base pipe, 2, motor, 3, support meanss, 4, centralizer A, 5, centralizer B, 6, connector, 7, axle
Hold, 8, righting seat, 9, flexure strip, 10, spring, 11, sliding block, 12, chute, 13, righting wheel, 14, fitting recess, 15, positioning runner,
16th, isolation recesses, 17, support base, 18, support chute, 19, support slipper, 20, electromagnet, 21, retainer ring, 22, permanent magnet,
23rd, mounting rod, 24, support bar, 25, connecting rod, 26, brush hole, 27, mounting ear, 28, turn-screw, 29, feed screw nut, 30, even
Connect block；31st, screw telescopic set.
Embodiment
The electric drive spiral batch-type downhole tractor by base pipe 1, motor 2, support meanss 3, centralizer A4 and
Centralizer B5 is formed.One end of base pipe 1 is provided with centralizer A4 by connector 6, and the other end of base pipe 1 is fixed with driving
Motor 2, the outside of motor 2 are equipped with centralizer B5.Centralizer A4 and centralizer B5 is respectively by righting seat 8, flexure strip 9, bullet
Spring 10 and sliding block 11 are formed, and righting seat 8 is cylindrical body, and multiple chutes 12 are evenly equipped with the circumference of righting seat 8, are passed through in chute 12
Spring 10 is equipped with sliding block 11, and 12 corresponding shape of chute is provided with multiple flexure strips 9, bullet on the circumference of righting seat 8 of the side of chute 12
Property piece 9 be in curved arc shape, on flexure strip 9 interval righting wheel 13 is installed.One end of flexure strip 9 is fixedly connected with righting seat 8, elasticity
The other end of piece 9 is fixedly connected with sliding block 11.
Fitting recess 14 is provided with base pipe 1, positioning runner 15 is provided with the base pipe 1 of the both sides of fitting recess 14, is positioned
Isolation recesses 16 are provided with base pipe 1 between chute 15 and fitting recess.Support meanss 3 are set with base pipe 1.Support dress
4 are put to be made up of support base 17, support chute 18, support slipper 19, support frame, electromagnet 20 and retainer ring 21；Support base 17 is
Cylindrical body, one end termination of support base 17 are provided with electromagnet 20 by retainer ring 21, and the support base 17 of the side of electromagnet 20 is justified
Multiple support chutes 18 are evenly equipped with week, support chute 18 is fixed with permanent magnetism built with support slipper 19, the outside of support slipper 19
Iron 22.Support frame is movably installed with by mounting ear 27 on the circumference of support base 17 corresponding with support chute 18.Support frame is by pacifying
Dress bar 23, support bar 24 and connecting rod 25 are formed；Support bar 24 is movably installed with by pin on symmetrically arranged mounting rod 23, propped up
One end of strut 24 is movably installed with connecting rod 25, and one end of connecting rod 25 is flexibly connected by pin with support slipper 19.
Brush hole 26 is provided with support base 17 between support chute 18, brush is provided with brush hole 26.Brush with
The contact connection of electromagnet 20.
Turn-screw 28, turn-screw 28 and motor are provided with by bearing 7 in the base pipe 1 of the downhole tractor
2 connect, and are provided with feed screw nut 29 on turn-screw 28, feed screw nut 28 passes through fitting recess 14 and support meanss by contiguous block 30
3 are fixedly connected.It is provided with the feed screw nut 28 of the lower section both sides of contiguous block 30 and 15 corresponding locating piece of positioning runner, locating piece
One end extend in positioning runner 15, to prevent feed screw nut 28 from rotating at work.The isolation recesses 16 of base pipe 1 are embedded
Equipped with electric rail；Brush contacts connection with electric rail.Electric rail is connected by wire with ground control system.
Screw telescopic set 31 is respectively arranged with the base pipe 1 of the both sides of support meanss 3 of the downhole tractor.Wherein side
Screw telescopic cover 31 one end be connected with connector 6；The other end and the support base 17 of support meanss 3 of screw telescopic set 31 connect
Connect；The screw telescopic of opposite side covers 31 one end and is connected with centralizer B5；The other end is connected with retainer ring 21.Screw telescopic set 31
Effect is to maintain the cleaning of base pipe 1.
When the downhole tractor works, it is kept in the centering of pit shaft, work by centralizer A4 and centralizer B5,
Under the control of ground control system, when the drive turn-screw 28 of motor 2 rotates forward, electric rail is in off-position, electromagnetism
Iron 20 is not powered on, and is attracted each other between permanent magnet 22 and electromagnet 20, and permanent magnet 22 is to slip at electromagnet 20, from there through branch
Support sliding block 19 drives support frame progressively to lodge and is at retracted state, and in the presence of turn-screw 28, feed screw nut 28 is logical
Crossing contiguous block 30 drives support meanss 3 are overall to be travelled forward along fitting recess 14.When support meanss 3 move to the front end of fitting recess 14
During stop, motor 2 drives turn-screw 28 to stop operating.Now ground control system connects electric rail power supply, and starts drive
When dynamic motor 2 drives the turn-screw 28 to rotate backward, during this, because electric rail switches on power, electromagnet 20 passes through brush
Must be electric, homopolarity repels between electromagnet 20 and permanent magnet 22, forces permanent magnet 22 to drive support frame progressively by support slipper 19
Prop up, and support bar 24 is in close contact with pit shaft（Hold out against）；And then force support meanss 3 overall static relative to pit shaft, by
It is overall static relative to pit shaft in support meanss 3, when the drive turn-screw 28 of motor 2 rotates backward, force the band of base pipe 1
Dynamic centralizer A4 and centralizer B5 moves ahead（Support meanss 3 are overall in fitting recess 14 during this moves backward）, it is so anti-
It is multiple, realize the downhole tractor batch (-type)（Wriggle）Forward purpose.
The electric drive spiral batch-type downhole tractor has the characteristics of simple in construction, motion is flexible, and hauling speed is fast, and
Obstacle climbing ability is strong, and tractive force is big, size is small, solves conventional tractor poor reliability, obstacle climbing ability deficiency, efficiency is low to ask
Topic, used especially suitable for underground work.
Claims (10)
- A kind of 1. electric drive spiral batch-type downhole tractor；It is by base pipe（1）, motor（2）, support meanss（3）, help Positive device A（4）With centralizer B（5）Form, it is characterised in that：Base pipe（1）One end pass through connector（6）Centralizer A is installed （4）, base pipe（1）The other end be fixed with motor（2）, motor（2）Outside centralizer B is housed（5）, base pipe （1）On be set with support meanss（3）, base pipe（1）Inside pass through bearing（7）It is provided with turn-screw（28）, turn-screw（28） With motor（2）Connection, turn-screw（28）On be provided with feed screw nut（29）, feed screw nut（29）Pass through contiguous block（30） With support meanss（3）It is fixedly connected.
- A kind of 2. electric drive spiral batch-type downhole tractor according to claim 1；It is characterized in that：Described righting Device A（4）With centralizer B（5）Respectively by righting seat（8）, flexure strip（9）, spring（10）And sliding block（11）Form, righting seat（8） For cylindrical body, righting seat（8）Circumference on be evenly equipped with multiple chutes（12）, chute（12）Inside pass through spring（10）Equipped with sliding block （11）, chute（12）The righting seat of side（8）On circumference with chute（12）Corresponding shape is provided with multiple flexure strips（9）, flexure strip （9）One end and righting seat（8）It is fixedly connected, flexure strip（9）The other end and sliding block（11）It is fixedly connected.
- A kind of 3. electric drive spiral batch-type downhole tractor according to claim 2；It is characterized in that：Described elasticity Piece（9）In curved arc shape, flexure strip（9）Upper interval is provided with righting wheel（13）.
- A kind of 4. electric drive spiral batch-type downhole tractor according to claim 1；It is characterized in that：Described basis Pipe（1）On be provided with fitting recess（14）, fitting recess（14）The base pipe of both sides（1）On be provided with positioning runner（15）, positioning cunning Groove（15）With fitting recess（14）Between base pipe（1）On be provided with isolation recesses（16）, feed screw nut（29）By contiguous block （30）Through fitting recess（14）With support meanss（3）Connection.
- A kind of 5. electric drive spiral batch-type downhole tractor according to claim 4；It is characterized in that：Described leading screw Nut（29）On be provided with and positioning runner（15）Corresponding locating piece, one end of locating piece extend to positioning runner（15）It is interior.
- A kind of 6. electric drive spiral batch-type downhole tractor according to claim 1；It is characterized in that：Described support Device（3）By support base（17）, support chute（18）, support slipper（19）, support frame, electromagnet（20）And retainer ring（21）Structure Into；Support base（17）For cylindrical body, support base（17）One end termination pass through retainer ring（21）Electromagnet is installed（20）, electromagnetism Iron（20）The support base of side（17）Multiple support chutes are evenly equipped with circumference（18）, support chute（18）Built with support slipper （19）, with supporting chute（18）Corresponding support base（17）Pass through mounting ear on circumference（27）Support frame is movably installed with, is supported Frame and support slipper（19）Connection；Described support slipper（19）Outside is fixed with permanent magnet（22）.
- A kind of 7. electric drive spiral batch-type downhole tractor according to claim 6；It is characterized in that：Described support Chute（18）Between support base（17）On be provided with brush hole；Brush is provided with brush in hole.
- A kind of 8. electric drive spiral batch-type downhole tractor according to claim 6；It is characterized in that：Described support Frame is by mounting rod（23）, support bar（24）And connecting rod（25）Form；Symmetrically arranged mounting rod（23）It is upper to be pacified by pin activity Equipped with support bar（24）, support bar（24）One end be movably installed with connecting rod（25）, connecting rod（25）One end pass through pin with branch Support sliding block（19）It is flexibly connected.
- A kind of 9. electric drive spiral batch-type downhole tractor according to claim 4；It is characterized in that：Described insulation Groove（16）Inside it is provided with electric rail；Electric rail passes through brush and electromagnet（20）Connection.
- A kind of 10. electric drive spiral batch-type downhole tractor according to claim 1；It is characterized in that：Described branch Support arrangement（3）The base pipe of both sides（1）On be respectively arranged with screw telescopic set（31）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778044.6U CN206830099U (en) | 2017-06-30 | 2017-06-30 | A kind of electric drive spiral batch-type downhole tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778044.6U CN206830099U (en) | 2017-06-30 | 2017-06-30 | A kind of electric drive spiral batch-type downhole tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830099U true CN206830099U (en) | 2018-01-02 |
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ID=60778338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778044.6U Expired - Fee Related CN206830099U (en) | 2017-06-30 | 2017-06-30 | A kind of electric drive spiral batch-type downhole tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083935A (en) * | 2017-06-30 | 2017-08-22 | 长江大学 | A kind of electric drive spiral batch-type downhole tractor |
| CN114517651A (en) * | 2022-03-15 | 2022-05-20 | 大庆市博瑞吉机械设备制造有限公司 | Downhole tractor |
| US12031396B2 (en) | 2022-11-29 | 2024-07-09 | Saudi Arabian Oil Company | Method and apparatus of guided extend reach tractor |
-
2017
- 2017-06-30 CN CN201720778044.6U patent/CN206830099U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083935A (en) * | 2017-06-30 | 2017-08-22 | 长江大学 | A kind of electric drive spiral batch-type downhole tractor |
| CN107083935B (en) * | 2017-06-30 | 2022-12-13 | 国网湖北省电力有限公司荆州供电公司 | Electrically-driven spiral intermittent underground tractor |
| CN114517651A (en) * | 2022-03-15 | 2022-05-20 | 大庆市博瑞吉机械设备制造有限公司 | Downhole tractor |
| US12031396B2 (en) | 2022-11-29 | 2024-07-09 | Saudi Arabian Oil Company | Method and apparatus of guided extend reach tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |