CN208830930U - A kind of positive and negative couple grinding tool in underground - Google Patents
A kind of positive and negative couple grinding tool in underground Download PDFInfo
- Publication number
- CN208830930U CN208830930U CN201821381743.8U CN201821381743U CN208830930U CN 208830930 U CN208830930 U CN 208830930U CN 201821381743 U CN201821381743 U CN 201821381743U CN 208830930 U CN208830930 U CN 208830930U
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- China
- Prior art keywords
- bevel gear
- grinding
- underground
- positive
- ball bearing
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- 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.)
- Withdrawn - After Issue
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- 238000000227 grinding Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 241000935974 Paralichthys dentatus Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model discloses a kind of positive and negative couple grinding tools in underground, and the ball seat after being mainly used for oil field well grinding fractured horizontal well, ball seat with grinding tool while rotating when solving grinding, the problem of can not be effectively ground.The grinding tool is driven by underground turbodrill, two grinding directions are rotated and reverse by positive and negative rotational mechanism formation, junk mill are installed on the two grinding directions, and be ground underground ball seat simultaneously, no matter how underground ball seat rotates in this way, and grinding can be carried out effectively.The utility model is structurally reasonable, easy to use, solves the problems, such as to rotate when the grinding of underground ball seat with junk mill, brings new method to underground grinding.
Description
Technical field
The utility model relates to the grindings of the ball seat of petroleum drilling and mining fractured horizontal well pitching sealing, in particular to old well pressure
Split the grinding of ball sealer ball seat, and in particular to a kind of positive and negative couple grinding tool in underground.
Background technique
At present in actual well drilled operation, the case where frequently encountering underground barrier to be ground, traditional grinding tool pair
It is preferable in generally fixed bridge match ground effect, but after well-cementing staged-fracturing, ball seat salvaging does not come out, and needs to be ground, tradition
When junk mill is ground ball seat, ball seat can be rotated together close to junk mill, to can not be effectively ground to ball seat.Generally for this
Situation all using first ball seat is fixed, is then ground again.It is laborious that this is time consuming, that is, slows down grinding progress, and increase grinding
Cost.It needs to design a kind of novel grinding tool thus, improves the grinding progress under this operating condition, reduce grinding cost.
Utility model content
The purpose of this utility model is to provide a kind of positive and negative couple grinding tools in underground, to solve asking for the prior art
Topic, the utility model can be acted on simultaneously on grinding object, in this way under the action of positive and negative couple, no matter be ground how object turns
Dynamic, grinding all can be effective.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of positive and negative couple grinding tool in underground, the bevel gear shaft including being connected to turbodrill bottom connector, bevel gear shaft
Top be connected with cone, the lower outside of bevel gear shaft is provided with cylinder, and the upper end of cylinder is equipped with slips, and the cone of slips
Face is opposite with the conical surface of cone；
The fixed bracket of bevel gear is connected at the shaft shoulder of bevel gear shaft, the support bracket fastened lower section of bevel gear is symmetrically arranged with two
A fixation hole is separately installed with first bevel gear and second bevel gear in two fixation holes, and the inner wall of cylinder is symmetrically arranged with two
The diameter of axle of a slideway, first bevel gear and second bevel gear is connected to two slideways, also passes through the first deep-groove ball on bevel gear shaft
Bearing is connected with third hand tap gear, with the while the bevel gear in first bevel gear and second bevel gear and bevel gear shaft cooperates
The cooperation of third hand tap gear, the bottom of bevel gear shaft is connected with flat-bottom grind shoes, and passes through the second deep groove ball bearing top at the top of flat-bottom grind shoes
In third hand tap gear, the outer sheath of flat-bottom grind shoes is equipped with sleeve mill shoe, and sleeve mill shoe is connected by screw thread and third hand tap gear
It connects.
Further, first is equipped with by the first radial ball bearing and the second radial ball bearing respectively in two fixation holes
The diameter of axle of bevel gear and second bevel gear, first bevel gear and second bevel gear be each passed through the first radial ball bearing and second to
Heart ball bearing is connected to two slideways.
Further, bevel gear shaft top is equipped with four piece of first fan-shaped wing, and four piece of second fan-shaped wing and four is provided in cone
A sector channel, the described four piece first fan-shaped wing can pass through four sector channels.
Further, the fixed bracket of bevel gear is connected with thrust ball bearing by bearing (ball) cover at the shaft shoulder of bevel gear shaft.
Further, the bottom of bevel gear shaft connects flat-bottom grind shoes by flat key.
Compared with prior art, the utility model has technical effect beneficial below:
The utility model is mainly used for the ball seat after oil field well grinding fractured horizontal well, and ball seat is with mill when solving grinding
The problem of cutting tool while rotating, can not being effectively ground.The grinding tool is driven by underground turbodrill, by boring tooth
Wheel shaft, first bevel gear, second bevel gear and third hand tap gear form positive and negative rotational mechanism, and then are formed and rotate and reverse two mills
Direction is cut, flat-bottom grind shoes and sleeve mill shoe are installed respectively on the two grinding directions, the two is ground underground ball seat simultaneously, in this way
No matter how underground ball seat rotates, and grinding can be carried out effectively, and the utility model is structurally reasonable, easy to use, solves well
The problem of lower ball base rotates when being ground with junk mill.
Detailed description of the invention
Fig. 1 is the partial sectional view of the utility model general assembly drawing；
Fig. 2 is the utility model bevel gear shaft front view；
Fig. 3 is the utility model third hand tap gear half sectional view；
Fig. 4 is the utility model cone front view；
Fig. 5 is the utility model cylinder half sectional view.
Wherein: 1. bevel gear shafts；2. cone；3. slips；4. cylinder；5. bearing (ball) cover；6. thrust ball bearing；7. bevel gear
Fixed bracket；8. the first radial ball bearing；9. first bevel gear；10. third hand tap gear；11. the first deep groove ball bearing；12. the
Two deep groove ball bearings；13. flat-bottom grind shoes；14. sleeve mill shoe；15. the second radial ball bearing；16. second bevel gear.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Fig. 1 to Fig. 5, a kind of positive and negative couple grinding tool in underground, including bevel gear shaft 1, upper part have four piece first
The fan-shaped wing, cone 2 is provided with four piece of second fan-shaped wing, and forms four pieces of sector channels, the fan-shaped wing in four piece first of 1 top of bevel gear shaft
The four pieces of sector channels that can be provided with by cone 2,2 conical surface of cone is opposite with 3 conical surface of slips, and slips 3 is mounted on cylinder 4, cylinder
4 upper end of body is the mounting seat of slips 3, and lower end is provided with two slideways, and the axle journal of first bevel gear 9 and second bevel gear 16 can be with
It is moved with the need in 4 lower end slideway of cylinder, gear stand 7 is fixed on 1 bevel gear by 5 bearing (ball) covers and thrust ball bearing 6
On axis at the shaft shoulder, opened below the fixed bracket of 7 bevel gears there are two the fixation hole of fixed first bevel gear 9 and second bevel gear 16,
Hole is provided with the first radial ball bearing 8 and the second radial ball bearing 15, the axle journal difference of first bevel gear 9 and second bevel gear 16
In the first radial ball bearing 8 and the second radial ball bearing 15, first bevel gear 9 and second bevel gear 16 and bevel gear shaft 1
On bevel gear engagement, while with 10 external toothing of third hand tap gear, third hand tap gear 10 is axial to be provided with through-hole, and axle journal is only in big end
Face has, and is provided with external screw thread in axle body, and third hand tap gear 10 is fixed on the shaft shoulder under bevel gear shaft 1 by the first deep groove ball bearing 11
Third hand tap gear 10 is withstood in place, 12 one end of the second deep groove ball bearing, and the other end withstands flat-bottom grind shoes 13, and flat-bottom grind shoes 13 pass through flat
Key is fixed on bevel gear shaft 1, and sleeve mill shoe 14 is threadedly attached on 10 diameter of axle of third hand tap gear, positive and negative grinding force accidental resemblance
When act on grinding object；2 downlink of cone struts slips 3, and the anchor fluke of slips 3 is anchored on set tube wall, and cylinder 4 is used as slips
3 pedestal is connect with slips 3, then cylinder 4 is fixed, and 4 side of cylinder is provided with slideway, 16 axis of first bevel gear 9 and second bevel gear
Neck and the cooperation of 4 slideway of cylinder realize that gear axial restraint, bevel gear shaft 1 are engaged with first bevel gear 9 and second bevel gear 16, the
One bevel gear 9 and second bevel gear 16 are engaged with third hand tap gear 10, form positive and negative couple, are based on positive and negative couple, flat-bottom grind shoes
13 connect with bevel gear shaft 1, and sleeve mill shoe 14 is connect with third hand tap gear 10, realize positive and negative rotation grinding.
The utility model embodiment operating process is described in detail below:
Turbodrill bottom connector is connect with the internal screw thread on 1 top of bevel gear shaft, and 1 top of bevel gear shaft is connected with cone 2, card
Watts 3 are mounted on cylinder 4, and the fixed bracket 7 of bevel gear is fixed on the 1 bevel gear shaft shaft shoulder by bearing (ball) cover 5 and thrust ball bearing 6
Place opens below the fixed bracket 7 of bevel gear there are two the fixation hole of fixed first bevel gear 9 and second bevel gear 16, in fixation hole
Equipped with the first radial ball bearing 8 and the second radial ball bearing 15, the axle journal of first bevel gear 9 and second bevel gear 16 is mounted in first
Cone tooth in radial ball bearing 8 and the second radial ball bearing 15, in first bevel gear 9 and second bevel gear 16 and bevel gear shaft 1
Wheel cooperation, while cooperating with third hand tap gear 10, third hand tap gear 10 is fixed on bevel gear shaft 1 by the first deep groove ball bearing 11
On, third hand tap gear 10 is withstood in 12 one end of the second deep groove ball bearing, and the other end withstands flat-bottom grind shoes 13, and flat-bottom grind shoes 13 pass through flat
Key is fixed on bevel gear shaft 1, and sleeve mill shoe 14 is threadedly attached in third hand tap gear 10.
In use, transferring in well, after the turbodrill connection positive and negative couple grinding tool in underground when mill is encountered in 4 bottom end of cylinder
It is transferred in place after cutting object, continues slow lowering drill pipes, cone 2 moves down therewith struts slips 3, and slips 3 is clamped on set by positioning
On inside pipe wall, at this moment turbodrill rotation drives bevel gear shaft 1, the fan-shaped wing of four piece first of 1 top of bevel gear shaft and cone 2
Four sector channel alignment, turbodrill stop operating, and drilling tool continues to transfer, until flat-bottom grind shoes 13 encounter grinding object, whirlpool
Wheel drilling tool starts to rotate, and grinding starts, and the rotation of bevel gear shaft 1 drives first bevel gear 9 and second bevel gear 16 engaged therewith
Rotation, first bevel gear 9 and second bevel gear 16 drive third hand tap gear 10 engaged therewith to rotate, then third hand tap gear 10 with
The rotation direction of bevel gear shaft 1 installs flat-bottom grind shoes 13 in the bottom of bevel gear shaft 1 on the contrary, material is thus formed positive and negative couple,
When the installation sleeve junk mill 14 in third hand tap gear 10, flat-bottom grind shoes 13 and sleeve mill shoe 14 act on grinding object simultaneously, i.e.,
Simultaneously to grinding object be applied with positive and negative grinding couple, so that no matter be ground object how rotary grinding can effectively into
Row.The grinding object that occurs rotates simultaneously with grinding tool when to solve plain grinding and what can not effectively be ground ask
Topic.When grinding is completed, turbodrill is slowly above mentioned, and the fan-shaped wing of four piece first of 1 top of bevel gear shaft can be aligned cone by rotation
The sector channel of body 2 continues above to mention turbodrill, and the 1 middle part shaft shoulder of bevel gear shaft encounters four piece of second fan-shaped wing of cone 2, after
Continuous above to mention drilling tool, cone 2 moves up therewith, and slips 3 struts, and disanchors, and can be ground next time later.
The utility model drives first bevel gear and second bevel gear by underground turbodrill driving bevel gear axis
Rotation, first bevel gear and second bevel gear drive third hand tap gear rotation engaged therewith, then third hand tap gear and bevel gear
On the contrary, forming positive and negative couple, flat-bottom grind shoes and sleeve mill shoe act on when being ground object the rotation direction of axis simultaneously, i.e., give simultaneously
Grinding object is applied with positive and negative grinding couple, and no matter how underground ball seat rotates, and grinding can be carried out effectively.
Claims (5)
1. a kind of positive and negative couple grinding tool in underground, which is characterized in that the bevel gear shaft including being connected to turbodrill bottom connector
(1), the top of bevel gear shaft (1) is connected with cone (2), and the lower outside of bevel gear shaft (1) is provided with cylinder (4), cylinder (4)
Upper end be equipped with slips (3), and the conical surface of slips (3) is opposite with the conical surface of cone (2)；
It is connected with bevel gear at the shaft shoulder of bevel gear shaft (1) and fixes bracket (7), the lower section of bevel gear fixed bracket (7) is symmetrically set
It sets there are two fixation hole, is separately installed with first bevel gear (9) and second bevel gear (16) in two fixation holes, cylinder (4)
The diameter of axle of slideway there are two inner wall is arranged symmetrically, first bevel gear (9) and second bevel gear (16) is connected to two slideways, bores tooth
It is also connected with third hand tap gear (10) by the first deep groove ball bearing (11) on wheel shaft (1), first bevel gear (9) and the second cone tooth
It takes turns while the bevel gear on (16) and bevel gear shaft (1) cooperates and cooperates with third hand tap gear (10), the bottom of bevel gear shaft (1)
It is connected with flat-bottom grind shoes (13), and withstands on third hand tap gear (10) by the second deep groove ball bearing (12) at the top of flat-bottom grind shoes (13)
On, the outer sheath of flat-bottom grind shoes (13) is equipped with sleeve mill shoe (14), and sleeve mill shoe (14) passes through screw thread and third hand tap gear
(10) it connects.
2. the positive and negative couple grinding tool in a kind of underground according to claim 1, which is characterized in that in two fixation holes respectively
First bevel gear (9) and second bevel gear (16) are installed by the first radial ball bearing (8) and the second radial ball bearing (15),
The diameter of axle of first bevel gear (9) and second bevel gear (16) is each passed through the first radial ball bearing (8) and the second radial ball bearing
(15) two slideways are connected to.
3. the positive and negative couple grinding tool in a kind of underground according to claim 1, which is characterized in that bevel gear shaft (1) top
Equipped with four piece of first fan-shaped wing, four piece of second fan-shaped wing and four sector channels are provided in cone (2), described four piece first fan-shaped
The wing can pass through four sector channels.
4. the positive and negative couple grinding tool in a kind of underground according to claim 1, which is characterized in that the axis of bevel gear shaft (1)
Bevel gear is connected by bearing (ball) cover (5) and thrust ball bearing (6) at shoulder and fixes bracket (7).
5. the positive and negative couple grinding tool in a kind of underground according to claim 1, which is characterized in that the bottom of bevel gear shaft (1)
Portion connects flat-bottom grind shoes (13) by flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821381743.8U CN208830930U (en) | 2018-08-24 | 2018-08-24 | A kind of positive and negative couple grinding tool in underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821381743.8U CN208830930U (en) | 2018-08-24 | 2018-08-24 | A kind of positive and negative couple grinding tool in underground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208830930U true CN208830930U (en) | 2019-05-07 |
Family
ID=66310709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821381743.8U Withdrawn - After Issue CN208830930U (en) | 2018-08-24 | 2018-08-24 | A kind of positive and negative couple grinding tool in underground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208830930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025882A (en) * | 2018-08-24 | 2018-12-18 | 西安石油大学 | A kind of positive and negative couple grinding tool in underground and method |
-
2018
- 2018-08-24 CN CN201821381743.8U patent/CN208830930U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025882A (en) * | 2018-08-24 | 2018-12-18 | 西安石油大学 | A kind of positive and negative couple grinding tool in underground and method |
| CN109025882B (en) * | 2018-08-24 | 2023-10-27 | 西安石油大学 | Downhole positive and negative couple grinding tool and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20231027 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20231027 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |