CN208534398U - A kind of flexible pressurizing torsion generator - Google Patents
A kind of flexible pressurizing torsion generator Download PDFInfo
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- CN208534398U CN208534398U CN201820773274.8U CN201820773274U CN208534398U CN 208534398 U CN208534398 U CN 208534398U CN 201820773274 U CN201820773274 U CN 201820773274U CN 208534398 U CN208534398 U CN 208534398U
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- torsion
- lower contact
- flexible pressurizing
- lug boss
- top connection
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Abstract
The utility model relates to a kind of flexible pressurizing torsion generators comprising top connection, lower contact, elastic component and torsion transferring member；Lower contact is set in top connection, and elastic component and torsion transferring member are arranged between top connection, lower contact.The flexible pressurizing torsion generator of the utility model is not only axially playing the role of flexible pressurizing, bumper and absorbing shock in drilling process; circumferentially also acting as the amplification for storing torque concentration and releasing energy simultaneously; drill bit is avoided to suppress bouncing of drilling tool; it protects drill bit, improve the effect of bit cutting efficiency; to raising drill bit efficiency of breaking rock; drill bit and drilling tool service life are improved, reducing drilling cost can play a significant role.
Description
Technical field
The utility model relates to oil drilling correlative technology fields, concretely relate to a kind of flexible pressurizing torsion generation
Device.
Background technique
In recent years, as the exploration and development ratio of deep-well and ultradeep well is continuously increased, deep formation formation hardness and plasticity
Increase, conventional rock bit drillability is poor, mechanical separator speed is low, drilling period is long.To improve bit run rate of penetration, PDC is bored
Head is used widely, but the stick slip vibration phenomenon occurred in deep formation PDC drill bit, not only seriously restricts rate of penetration into one
Step is promoted, and also greatly affected its service life.
Torsion generator, also known as torsion impact device.It is existing that it can be used for the stick-slip for solving to occur in PDC drill bit drilling
As improving the drilling efficiency of drilling hard rock, protecting drill bit, improve a kind of speed-raising applied to field of oil drilling of drilling quality
Tool.Earliest torsion impact device is by U.S. Aunar pulling force Ulterra and the torsion impact device for combining the development of Buddha's warrior attendant company.
But by U.S. Aunar pulling force Ulterra, structure is complicated with the torsion impact device that Buddha's warrior attendant company develops is combined, expense
Too high, cost performance is low, while only solving the circumferential larger twisting force of offer, does not play when axially encountering impact force slow
Rush cushioning effect.
Utility model content
For the deficiencies of the prior art, the utility model provides a kind of flexible pressurizing torsion generator.
The technical solution of the flexible pressurizing torsion generator of the utility model is as follows:
A kind of flexible pressurizing torsion generator comprising:
Top connection, the top connection include connector portions and central tube portion；On the outer wall of the central tube portion radially to
It is formed with the first lug boss outside, and offers first axis connecting hole on first lug boss；
Lower contact is radially formed with the second protrusion in the lower contact on the outer wall of described connector portions one end
Portion, and the second axial connecting hole is offered on second lug boss；The central tube of the lower contact and the top connection
Portion is tightly connected, so that forming torsion generation cavity between first lug boss and second lug boss；
Elastic component, the elastic component are set in the torsion generation cavity；
The lower end of torsion transferring member, the torsion transferring member passes through the first axis connecting hole and the torsion generation cavity
It is connected with the described second axial connecting hole.
When the flexible pressurizing torsion generator work of the utility model, top connection can according to need is transmitted by elastic component
Give lower contact one reasonable bit pressure, in drilling process, the process that bit pressure frequently changes because of stratum heterogeneity can pass through
The size of elastic component deformation obtains flexible adjustment, while when on drill bit by biggish axial impact force, passing through elastic component pair
It absorbs energy and can play the role of axial protection drill bit and prevent top drilling tool damage；In addition, drilling tool rotation in top passes
The torque passed can be transmitted by connection top connection and the two-part torsion transferring member of lower contact, and torsion transferring member passes through torsion
The curved drill bit for becoming storage energy supplement and working to lower part, can occur suppressing bouncing of drilling tool to avoid hard formation is encountered in drilling process in this way
Drill bit is damaged when situation, while playing torsion transmitting and storage amplification in the circumferential, can avoid suppressing bouncing of drilling tool damage brill
The stock-removing efficiency of drill bit is improved while head again.
According to a preferred embodiment, the lower contact is sheathed in the central tube portion of the top connection, and
First seal is provided between the inner wall of the lower contact and the outer wall of the central tube portion.
By being provided between the inner wall of the lower contact and the outer wall of the central tube portion in first seal guarantee
For the central tube portion of connector with lower contact when relative motion axially occurs, high-pressure fluid will not be in crossfire to torsion generation cavity.
It further include anti-lost clip according to a preferred embodiment；The anti-lost hoop sleeve is set to first protrusion
In portion and second lug boss.
It is more than torsion when circumferential torsion is excessive by the way that anti-lost clip is arranged on the first lug boss and second lug boss
When transferring member strength degree causes torsion transferring member to be broken, anti-lost clip can guarantee the biography of lower part drilling tool pulling force in the axial direction
It passs, to allow to proper motion.
It further include housing according to a preferred embodiment；The housing be sheathed on the anti-lost clip and it is described under
Outside connector, and one end is connected with the connector portions of the top connection；Also, in the inner wall of the housing and the lower contact
Second seal is provided between outer wall.
By being provided with second seal between the inner wall of housing and the outer wall of the lower contact, it is ensured that Annular cutting
Body will not be in entering tool；Second seal can cooperate with first seal simultaneously, and U-shaped sealing is formed in torsion generator
Structure, to strengthen sealing effect of the central tube portion with lower contact of top connection.
According to a preferred embodiment, the second seal is O-ring seal.
According to a preferred embodiment, the elastic component is spring.
According to a preferred embodiment, the torsion transferring member is the torsion bar made of spring steel, and both ends are set
It is equipped with screw thread；Described second axial connecting hole is threaded hole.
According to a preferred embodiment, the first seal is the sealing ring that section is rectangle.
It further include locking nut according to a preferred embodiment；The locking nut and the torsion transferring member
Threaded upper ends are connected and are screwed, to the elastic component precharge pressure.
Locking nut is set by the one end being located on the first lug boss in torsion transferring member and screws locking nut, is given
The certain initial pressure of elastic component pre-add in torsion generation cavity, can play the role of preventing tool nut in vibration from moving back button.
According to a preferred embodiment, two sets of elastic components and torsion transferring member are included at least；And it is circumferentially equal
Even is set in the top connection and the lower contact.
Compared with prior art, the flexible pressurizing torsion generator of the utility model has the following beneficial effects:
When the flexible pressurizing torsion generator work of the utility model, top connection can according to need is transmitted by elastic component
Give lower contact one reasonable bit pressure, in drilling process, the process that bit pressure frequently changes because of stratum heterogeneity can pass through
The size of elastic component deformation obtains flexible adjustment, while when on drill bit by biggish axial impact force, passing through elastic component pair
It absorbs energy and can play the role of axial protection drill bit and prevent top drilling tool damage；In addition, drilling tool rotation in top passes
The torque passed can be transmitted by connection top connection and the two-part torsion transferring member of lower contact, and torsion transferring member passes through torsion
The curved drill bit for becoming storage energy supplement and working to lower part, can occur suppressing bouncing of drilling tool to avoid hard formation is encountered in drilling process in this way
Drill bit is damaged when situation, while playing torsion transmitting and storage amplification in the circumferential, can avoid suppressing bouncing of drilling tool damage brill
The stock-removing efficiency of drill bit is improved while head again.
In conclusion the flexible pressurizing torsion generator of the utility model in drilling process not only axially play it is soft
Property pressurization, the effect of bumper and absorbing shock, while concentrating the amplification that releases energy circumferentially also acting as storage torque, avoid drill bit
Bouncing of drilling tool is suppressed, protection drill bit improves the effect of bit cutting efficiency, to drill bit efficiency of breaking rock is improved, improves drill bit and drilling tool uses the longevity
Life, reducing drilling cost can play a significant role.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model flexible pressurizing torsion generator embodiment；
Fig. 2 is the structural schematic diagram of top connection in the utility model flexible pressurizing torsion generator embodiment；
Fig. 3 is the structural schematic diagram of lower contact in the utility model flexible pressurizing torsion generator embodiment.
Reference signs list
100- top connection, 110- connector portions, 120- central tube portion, the first lug boss of 130-, 140- first axis connecting hole,
200- lower contact, the second lug boss of 210-, the axial connecting hole of 220- second, 310- torsion generation cavity, 400- elastic component, 500- are turned round
Power transmission part, 610- first seal, 620- second seal, the anti-lost clip of 700-, 800- housing, 900- locking nut.
Specific embodiment
In the description of this specification, it is to be understood that term " middle part ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
It is described in simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as limiting the present invention.In addition, in the description of specific embodiment, " the
One ", the vocabulary such as " second " are only used for distinguishing the purpose of description, are not understood to indicate or imply relative importance, can not
It is interpreted as indication or suggestion sequence.
The flexible pressurizing torsion generator of the utility model is described in detail with reference to the accompanying drawing.
Fig. 1 to Fig. 3 shows a kind of preferred embodiment of the utility model flexible pressurizing torsion generator.
As shown in Figures 1 to 3, a kind of flexible pressurizing torsion generator comprising top connection 100, lower contact 200, elastic component
400 and torsion transferring member 500.
Circumferential storage torque collection may be implemented using torsion transferring member 500 in the flexible pressurizing torsion generator of the utility model
The amplification effect of middle release；Axial flexible pressurizing, damping effect may be implemented using elastic component 400；Both protected drill bit and
Drilling tool, and play the role of improving efficiency of breaking rock.
Specifically, the flexible pressurizing torsion generator of the utility model is by the above-mentioned technology effect of following technical proposals reality
Fruit:
Top connection 100 includes connector portions 110 and central tube portion 120.The radially shape on the outer wall of central tube portion 120
At there is the first lug boss 130, and first axis connecting hole 140 is offered on the first lug boss 130.As shown in Figure 2.It is preferred that
, first axis connecting hole 140 can be a through-hole.
The second lug boss 210 is radially formed on the outer wall of 110 one end of connector portions in lower contact 200, and
And the second axial connecting hole 220 is offered on the second lug boss 210, as shown in Figure 3.Preferably, the second axial connecting hole 220
It can be threaded hole.
The central tube portion 120 of lower contact 200 and top connection 100 is tightly connected, so that convex in the first lug boss 130 and second
It rises and forms torsion generation cavity 310 between portion 210.
Specifically, as shown in Figure 1, lower contact 200 is sheathed in the central tube portion 120 of top connection 100.And in lower contact
First seal 610 is provided between 200 inner wall and the outer wall of central tube portion 120.
By being provided between the inner wall of lower contact 200 and the outer wall of central tube portion 120 in the guarantee of first seal 610
The central tube portion 120 of connector 100 with lower contact 200 axially occur relative motion when, high-pressure fluid will not crossfire to torsion hair
In raw chamber 310.
Preferably, first seal 610 can be the sealing ring that section is rectangle, so that the inner wall of lower contact 200 is in
Be formed as rectangular seal between the outer wall of heart pipe portion 120.
Elastic component 400 is set in the torsion generation cavity 310 formed between the first lug boss 130 and the second lug boss 210.
Specifically, one end of elastic component 400 connects with the first lug boss 130, the other end connects with the second lug boss 210, so that upper
Under the action of connector 100 or the axial force of lower contact 200, elastic component 400 can deform.
When work, top connection 100, which can according to need, passes to one reasonable bit pressure of lower contact by elastic component 400,
In drilling process, the process that bit pressure frequently changes because of stratum heterogeneity can be obtained by the size of 400 deformation of elastic component
Flexibility adjustment；Meanwhile when on drill bit by biggish axial impact force, absorbing energy to it by elastic component 400 can be with
Play the role of axial protection drill bit and prevents top drilling tool damage.
Preferably, elastic component 400 can be spring.Its quantity is at least one, preferably 2,3 or 4.
Preferably, torsion transferring member 500 is the torsion bar made of spring steel, and both ends are provided with screw thread.Its quantity is extremely
It is less one, preferably 2,3 or 4.
In the mounted state, the lower end of torsion transferring member 500 passes through first axis connecting hole 140 and torsion generation cavity 310
It is threadedly coupled with the second axial connecting hole 220.
When work, the torque of top drilling tool rotation transmitting can be two-part by connection top connection 100 and lower contact 200
Torsion transferring member 500 is transmitted, and torsion transferring member 500 stores the drill bit that energy supplement works to lower part by twist distortion,
Drill bit is damaged when can occur to avoid hard formation is encountered in drilling process in this way and suppress bouncing of drilling tool situation, while playing torsion in the circumferential
Transmitting and storage amplification can improve the stock-removing efficiency of drill bit again while avoiding and suppressing bouncing of drilling tool damage drill bit.
Further, locking nut 900 is also connected in the upper end of torsion transferring member 500.Specifically, locking nut 900
It is set to torsion transferring member 500 to be located in the torsion transferring member 500 of the first above position in lug boss upper surface, be transmitted by torsion
The screw thread of 500 upper end of part screws locking nut, gives the elastic component pre-add in torsion generation cavity certain initial pressure, can play anti-
Only tool nut in vibration moves back button effect.
Preferably, the quantity of elastic component 400, torsion transferring member 500 and locking nut 900 is at least two sets.It is circumferentially
Uniformly it is set in top connection 100 and lower contact 200.By the way that at least two sets of elastic components 400,500 and of torsion transferring member are arranged
Locking nut 900 can make the utility model flexible pressurizing torsion generator stress more evenly.
Further, the utility model flexible pressurizing torsion generator further includes anti-lost clip 700.
As shown in Figure 1, anti-lost clip 700 is sheathed on the first lug boss 130 and the second lug boss 210.By first
Anti-lost clip 700 is set on lug boss 130 and the second lug boss 210, is more than 500 intensity of torsion transferring member when circumferential torsion is excessive
When the limit causes torsion transferring member 500 to be broken, anti-lost clip 700 can guarantee the transmitting of lower part drilling tool pulling force in the axial direction,
To allow to proper motion.
Further, the utility model flexible pressurizing torsion generator further includes housing 800.
As shown in Figure 1, housing 800 is sheathed on outside anti-lost clip 700 and lower contact 200, and one end and top connection 100
Connector portions 110 are connected.Also, second seal 620 is provided between the inner wall of housing 800 and the outer wall of lower contact 200.
By being provided with second seal 620 between the inner wall of housing 800 and the outer wall of lower contact 200, it is ensured that
Annular fluid will not be in entering tool；Second seal 620 can cooperate with first seal 610 simultaneously, in torsion generator
It is interior to form U-shaped sealing structure, to strengthen sealing effect of the central tube portion 120 with lower contact 200 of top connection 100.
Preferably, second seal 620 can be O-ring seal, so that the inner wall of housing 800 and lower contact 200 is outer
O-shaped sealing is formed between wall.
The flexible pressurizing torsion generator of the utility model may be implemented using elastic component 400 to brill in drilling process
Head applies a flexible bit pressure, while can be with buffer protection drill bit and drilling tool when drill bit is by axial impact force；In addition, utilizing
The energy storage of torsion transferring member 500 acts on, and when drill bit encounters soft or hard staggeredly stratum generation bit bouncing, drill bit can avoided to suppress bouncing of drilling tool
While, discharge the needs that bigger torsion realizes the circumferential normal cutting hard formation of drill bit.
In conclusion the flexible pressurizing torsion generator of the utility model in drilling process not only axially play it is soft
Property pressurization, the effect of bumper and absorbing shock, while concentrating the amplification that releases energy circumferentially also acting as storage torque, avoid drill bit
Bouncing of drilling tool is suppressed, protection drill bit improves the effect of bit cutting efficiency, to drill bit efficiency of breaking rock is improved, improves drill bit and drilling tool uses the longevity
Life, reducing drilling cost can play a significant role.
It should be noted that all features disclosed in this specification or disclosed all methods or in the process the step of,
Other than mutually exclusive feature and/or step, it can combine in any way.
In addition, above-mentioned specific embodiment is exemplary, those skilled in the art can be in the utility model disclosure
Inspiration under find out various solutions, and these solutions also belong to the open scope of the utility model and fall into this reality
Within novel protection scope.It will be understood by those skilled in the art that the utility model specification and its attached drawing are explanation
Property and not constitute limitations on claims.The protection scope of the utility model is defined by the claims and their equivalents.
Claims (10)
1. a kind of flexible pressurizing torsion generator, characterized in that it comprises:
Top connection (100), the top connection (100) include connector portions (110) and central tube portion (120)；In the central tube portion
(120) it is radially formed on outer wall the first lug boss (130), and is opened up on first lug boss (130)
There are first axis connecting hole (140)；
Lower contact (200), the radially shape on the outer wall of the lower contact (200) close to the connector portions (110) one end
At having the second lug boss (210), and the second axial connecting hole (220) is offered on second lug boss (210)；It is described
The central tube portion (120) of lower contact (200) and the top connection (100) is tightly connected, so that in first lug boss (130)
Torsion generation cavity (310) are formed between second lug boss (210)；
Elastic component (400), the elastic component (400) are set in the torsion generation cavity (310)；
The lower end of torsion transferring member (500), the torsion transferring member (500) passes through the first axis connecting hole (140) and institute
Torsion generation cavity (310) is stated to be connected with the described second axial connecting hole (220).
2. flexible pressurizing torsion generator according to claim 1, which is characterized in that the lower contact (200) is sheathed on
In the central tube portion (120) of the top connection (100), and in the inner wall of the lower contact (200) and the central tube portion
(120) first seal (610) are provided between outer wall.
3. flexible pressurizing torsion generator according to claim 2, which is characterized in that further include anti-lost clip (700)；
The anti-lost clip (700) is sheathed on first lug boss (130) and second lug boss (210).
4. flexible pressurizing torsion generator according to claim 3, which is characterized in that further include housing (800)；
The housing (800) is sheathed on the anti-lost clip (700) and the lower contact (200) outside, and one end and it is described on
The connector portions (110) of connector (100) are connected；
Also, second seal is provided between the inner wall of the housing (800) and the outer wall of the lower contact (200)
(620)。
5. flexible pressurizing torsion generator according to claim 4, which is characterized in that the second seal (620) is O
Type sealing ring.
6. flexible pressurizing torsion generator according to one of claims 1 to 5, which is characterized in that the elastic component (400)
For spring.
7. flexible pressurizing torsion generator according to one of claims 1 to 5, which is characterized in that the torsion transferring member
It (500) is the torsion bar made of spring steel, both ends are provided with screw thread；Described second axial connecting hole (220) is threaded hole.
8. the flexible pressurizing torsion generator according to one of claim 2 to 5, which is characterized in that the first seal
(610) it is sealing ring that section is rectangle.
9. flexible pressurizing torsion generator according to one of claims 1 to 5, which is characterized in that further include locking nut
(900)；
The locking nut (900) connect and screws with the threaded upper ends of the torsion transferring member (500), to the elastic component
(400) precharge pressure.
10. flexible pressurizing torsion generator according to one of claims 1 to 5, which is characterized in that include at least two sets of bullets
Property part (400) and torsion transferring member (500)；And its be circumferentially uniformly set to the top connection (100) and it is described under connect
On head (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773274.8U CN208534398U (en) | 2018-05-23 | 2018-05-23 | A kind of flexible pressurizing torsion generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773274.8U CN208534398U (en) | 2018-05-23 | 2018-05-23 | A kind of flexible pressurizing torsion generator |
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| Publication Number | Publication Date |
|---|---|
| CN208534398U true CN208534398U (en) | 2019-02-22 |
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ID=65394652
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| CN201820773274.8U Active CN208534398U (en) | 2018-05-23 | 2018-05-23 | A kind of flexible pressurizing torsion generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487856A (en) * | 2018-05-23 | 2018-09-04 | 成都奥尤盖茨科技发展有限公司 | A kind of flexible pressurizing torsion generator |
-
2018
- 2018-05-23 CN CN201820773274.8U patent/CN208534398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487856A (en) * | 2018-05-23 | 2018-09-04 | 成都奥尤盖茨科技发展有限公司 | A kind of flexible pressurizing torsion generator |
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