CN209385123U - A kind of automatically controlled eccentric of neutron - Google Patents
A kind of automatically controlled eccentric of neutron Download PDFInfo
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- CN209385123U CN209385123U CN201822159401.8U CN201822159401U CN209385123U CN 209385123 U CN209385123 U CN 209385123U CN 201822159401 U CN201822159401 U CN 201822159401U CN 209385123 U CN209385123 U CN 209385123U
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- cylindrical body
- eccentric
- automatically controlled
- relative
- eccentric arm
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Abstract
The utility model discloses a kind of automatically controlled eccentric of neutron, including cylindrical body, it is equipped with executing agency in cylindrical body, the executing agency includes eccentric arm；In the first state, eccentric arm is taken in the cylindrical body；In the second condition, cylindrical body is deflected away from eccentric arm inclination；It further include the driving mechanism for driving the executing agency to switch eccentric arm between first state and the second state in cylindrical body；In the second condition, the eccentric arm is elastic connection relative to cylindrical body.The automatically controlled eccentric delicate structure of the neutron of the utility model is compact, the elastic connection by eccentric arm relative to cylindrical body, and the end of eccentric arm the reclining for the borehole wall that recline is flexible, and the power foot that reclines；And when eccentric arm retracts in cylindrical body, idler wheel is protruded in the opposite direction for stretching out eccentric arm, can solve the problem of that the disengaging of instrument and the borehole wall solves the automatically controlled eccentric of neutron for a long time against the phenomenon that sticked together on the borehole wall between the borehole wall.
Description
Technical field
The utility model relates to be used for the logging while drilling apparatus field of geosteering in oil drilling industry, more particularly to
A kind of automatically controlled eccentric of neutron.
Background technique
In petroleum industry geologic steering drilling, the real-time measurement wellbore in drilling process is used for neutron eccentric is bored
The porosity of surrounding formation calculates the oil productive capacity on stratum to identify oil-gas Layer.Traditional neutron eccentric is in servo-actuated operating condition
Under there are the hypodynamic problems of lateral backup.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of for enough backups
Ability and the good automatically controlled eccentric of neutron of backup.
Technical solution: to achieve the above object, the automatically controlled eccentric of the neutron of the utility model includes cylindrical body, the cylinder
The both ends of shape ontology are respectively arranged with top connection and lower contact；Executing agency is equipped in cylindrical body, the executing agency includes
Eccentric arm；In the first state, eccentric arm is taken in the cylindrical body；In the second condition, tubular is deflected away from eccentric arm inclination
Ontology；It further include for driving the executing agency to switch eccentric arm between first state and the second state in cylindrical body
Driving mechanism；In the second condition, the eccentric arm is elastic connection relative to cylindrical body, and elastic connection is embodied in: partially
Central arm can be recycled inwardly relative to cylindrical body under external force.
Further, the executing agency further includes idler wheel, and in the first state, the idler wheel protrudes from the tubular sheet
Except body, the outlet of idler wheel protrusion cylindrical body is located at eccentric arm and deflects away from tossing about for cylindrical body outlet.
Further, the eccentric arm is rotatablely connected relative to cylindrical body；The executing agency further includes can be relative to
Cylindrical body sliding block and connecting rod hinged with sliding block and eccentric arm simultaneously in axial sliding；The output end of the driving mechanism
End driving slide block movement, and sliding block can export end in the axial translation of cylindrical body relative to driving mechanism；It further include one
Side pressure lives the pressure spring of sliding block, and the other end of pressure spring is fixed relative to cylindrical body or the output end relative to driving mechanism is consolidated
It is fixed.
It further, further include the idler wheel mounting blocks and second connecting rod being rotatablely connected relative to cylindrical body, second connects
The both ends of bar are connect with idler wheel mounting blocks and eccentric arm respectively；Idler wheel is installed on the idler wheel mounting blocks, in the first state,
The idler wheel protrudes from except the cylindrical body, and the outlet of idler wheel protrusion cylindrical body is located at eccentric arm and deflects away from cylindrical body
Mouth is tossed about.
Further, the execution end of the driving mechanism is that can drive relative to the pull rod of the axial movement of cylindrical body
Motivation structure further includes linear motion driving unit.
Further, the linear motion driving unit includes motor, the screw rod that rotation is driven by motor and screw rod spiral shell
Mother, the pull rod are fixed relative to feed screw nut.
Further, one end that the eccentric arm can deviate from except cylindrical body is provided with the second idler wheel.
Further, the top connection includes top connection ontology, is connected between top connection ontology and cylindrical body by screw thread
It connects, and is equipped with the second pressure spring between the two；Top connection ontology periphery is socketed with threaded connector sleeve, and connector sleeve can be relative to upper
Joint body rotates and is locked.
Further, the lower contact includes lower contact ontology, passes through spiral shell between the lower contact ontology and cylindrical body
Line connection, and lower contact ontology is equipped with locking nut, locking nut holds out against the cylindrical body.
Further, the driving mechanism further includes the travel switch of two reciprocal positions for controlling the pull rod.
The utility model has the advantages that the automatically controlled eccentric delicate structure of the neutron of the utility model is compact, by eccentric arm relative to tubular
The elastic connection of ontology, the end of eccentric arm the reclining for the borehole wall that recline is flexible, and the power foot that reclines；And when eccentric arm retracts tubular
When in ontology, idler wheel is protruded in the opposite direction for stretching out eccentric arm, the disengaging of instrument and the borehole wall can be solved, solve the automatically controlled bias of neutron
Device for a long time against sticked together on the borehole wall between the borehole wall phenomenon the problem of.
Detailed description of the invention
Attached drawing 1 is that the overall structure of the automatically controlled eccentric of neutron forms；
Attached drawing 2 is the structure chart of executing agency part；
Attached drawing 3 is structure chart when eccentric arm is in first state；
Attached drawing 4 is the first cross-sectional view of driving mechanism and straight-line guidance seal member part；
Attached drawing 5 is the second cross-sectional view of driving mechanism and straight-line guidance seal member part；
Attached drawing 6 is the structure chart of top connection part；
Attached drawing 7 is the structure chart of lower contact part.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
The automatically controlled eccentric of neutron as shown in Fig. 1 includes cylindrical body 1, and the both ends of cylindrical body 1 are respectively arranged with
Connector 4 and lower contact 5, the inside of cylindrical body 1 are sequentially installed with driving mechanism 3, straight from top connection 4 toward the direction of lower contact 5
Line pilot seal component 6 and executing agency 2；Executing agency 2 executes corresponding movement by the driving of driving mechanism 3.
Executing agency 2 as shown in Fig. 2 includes slider-crank mechanism based on eccentric arm 21 and with pressure spring 24
Based on telescopic spring mechanism.
Slider-crank mechanism further includes in addition to eccentric arm 21 can be relative to the sliding block 22 and same in axial sliding of cylindrical body 1
When with sliding block 22 and the hinged connecting rod 23 of eccentric arm 21, the eccentric arm 21 is rotatablely connected relative to cylindrical body 1.Slide crank
Block mechanism is actuator with sliding block 22, and driving mechanism 3 drives eccentric arm 21 at two kinds indirectly by the driving movement of sliding block 22
Toggle between state: in the first state, eccentric arm 21 is taken in the cylindrical body 1, as shown in Fig. 3；In the second shape
Under state, cylindrical body 1 is deflected away from the inclination of eccentric arm 21, as shown in Fig. 2；Eccentric arm 21 can deviate from one except cylindrical body 1
End is provided with the second idler wheel 26.
Executing agency 2 further includes the idler wheel mounting blocks 210 and second connecting rod 211 being rotatablely connected relative to cylindrical body 1,
The both ends of second connecting rod 211 are connect with idler wheel mounting blocks 210 and eccentric arm 21 respectively；It is installed on the idler wheel mounting blocks 210
Idler wheel 25, in the first state, idler wheel 25 protrude from except the cylindrical body 1, and idler wheel 25 protrudes the outlet of cylindrical body 1
Tossing about for the outlet of cylindrical body 1 is deflected away from positioned at eccentric arm 21.
Sliding block 22 can be slided relative to the execution end of driving mechanism 3, and glide direction is the axial direction of cylindrical body 1, be slided
It is dynamic to be limited by telescopic spring mechanism so that sliding block 22 relative to the execution end of driving mechanism 3 be conditional elastic connection (i.e.
Eccentric arm 21 is relative to 1 elastic connection of cylindrical body), in the second condition, when eccentric arm 21 is by external force, eccentric arm 21
It can inwardly be recycled due to the elastic reaction that telescopic spring mechanism limits relative to cylindrical body 1, i.e., to eccentric arm under first state
It recycles in the direction of 21 present positions.
Telescopic spring mechanism is in top connection 4 toward successively including spring block adjusting block 212, spring on the direction of lower contact 5
Block fixing seat 27, spring block 28, pressure spring 24 and sliding block link block 29；The spring block fixing seat 27 is relative to tubular
Ontology 1 is fixed, and pressure spring 24 is arranged in spring block 28 between sliding block link block 29, and spring block 28 resists spring block and fixes
Seat 27, spring block adjusting block 212 is threadedly attached in spring block fixing seat 27, when need to the rigidity of pressure spring 24 into
Row is adjusted, and spring block 28 is lifted off spring block fixing seat 27 by turn spring block adjusting block 212, so adjustable pressure spring 24
Precompressed value.Sliding block link block 29 and sliding block 22 are connected.
By the structure of the above executing agency 2, driving mechanism 3 can drive indirectly eccentric arm 21 in first state and second
Switch between state, when eccentric arm 21 is in the second state, due to being that elasticity connects between sliding block 22 and the execution end of driving mechanism 3
It connects, eccentric arm 21 can be opened or be recycled relative to cylindrical body 1 under external force, so that the automatically controlled eccentric of neutron is when in use
The bumps of the borehole wall are adapted to, eccentric arm 21 can be bonded always with the borehole wall.Under first state, the idler wheel 25 for being installed on crank 22 is convex
Except cylindrical body 1, the disengaging of cylindrical body 1 Yu the borehole wall may be implemented, solve instrument and lean against and surveyed on the borehole wall for a long time
The problem of sticking together during well with the borehole wall.
Alternatively, spring block fixing seat 27 can also be fixed relative to the execution end of driving mechanism 3, so also can
Realize above-mentioned sliding block 22 relative to 3 elastic connection function of driving mechanism.
As shown in attached drawing 4 and attached drawing 5, the end that executes of the driving mechanism 3 is that can transport relative to the axial direction of cylindrical body 1
Dynamic pull rod 31, driving mechanism 3 further include the linear motion driving unit for driving pull rod 31 to move, pull rod 31 and cylindrical body 1
Specific connection type be symmetrically to be opened on the outer tube wall of cylindrical body 1 there are two sliding slot, be slidably fitted with one in each sliding slot
A pull rod 31.The kidney slot axially extending along cylindrical body 1 is provided on pull rod 31, link block 29 is equipped with guide pins, guide pins
Across kidney slot, such sliding block 22 can be slidably connected relative to pull rod 31.
Linear motion driving unit include motor 32, by motor 32 driving rotation screw rod 33 and feed screw nut 34, with
Feed screw nut 34 is fixedly connected with telescopic rod 35, and telescopic rod 35 can slidably reciprocate relative to the axial direction of cylindrical body 1, sliding by
Straight-line guidance seal member 6 guides, and pull rod 31 is fixed relative to telescopic rod 35.Pilot seal component 6 includes the first guide sleeve 61
It is relatively fixed by connecting rod 63 between the first guide sleeve 61 and the second guide sleeve 62 with the second guide sleeve 62, the first guide sleeve
61 and second are provided with several sealing rings in guide sleeve 62.Telescopic rod 35 is relative to the first guide sleeve 61 and the second guide sleeve
62 installations with one heart.Second guide pin 36, the second guide pin 36 while connecting rod 31 are installed on telescopic rod 35.The driving machine
Structure 3 further includes the travel switch 7 of two reciprocal positions for controlling the pull rod 31, so that the reciprocal in-position of pull rod 31
Accurately, system control is simple, saves control cost.
As shown in Fig. 6, top connection 4 includes top connection ontology 41, passes through spiral shell between top connection ontology 41 and cylindrical body 1
Line connection, and it is equipped with the second pressure spring 42 between the two；41 periphery of top connection ontology is socketed with threaded connector sleeve 43, connector sleeve
43 can rotate and be locked relative to top connection ontology 41.
As shown in Fig. 7, lower contact 5 includes lower contact ontology 51, is led between the lower contact ontology 51 and cylindrical body 1
Threaded connection is crossed, and lower contact ontology 51 is equipped with locking nut 52, locking nut 52 holds out against the cylindrical body 1.
The automatically controlled eccentric delicate structure of the neutron of the utility model is compact, the elasticity by eccentric arm relative to cylindrical body
Connection, the end of eccentric arm the reclining for the borehole wall that recline is flexible, and the power foot that reclines；And when eccentric arm retracts in cylindrical body,
Idler wheel is protruded in the opposite direction for stretching out eccentric arm, the disengaging of instrument and the borehole wall can be solved, solve the automatically controlled eccentric of neutron for a long time
The problem of phenomenon that sticks together between the borehole wall on against the borehole wall.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of automatically controlled eccentric of neutron, it is characterised in that: including cylindrical body (1), the both ends of the cylindrical body (1) are distinguished
It is provided with top connection (4) and lower contact (5)；Executing agency (2) are equipped in cylindrical body (1), the executing agency (2) includes inclined
Central arm (21)；
In the first state, eccentric arm (21) is taken in the cylindrical body (1)；In the second condition, eccentric arm (21) tilts
Deflect away from cylindrical body (1)；
It further include for driving the executing agency (2) to make eccentric arm (21) in first state and second in cylindrical body (1)
The driving mechanism (3) switched between state；
In the second condition, the eccentric arm (21) is elastic connection relative to cylindrical body (1), and elastic connection is embodied in: partially
Central arm (21) can be recycled inwardly relative to cylindrical body (1) under external force.
2. the automatically controlled eccentric of a kind of neutron according to claim 1, it is characterised in that: the executing agency (2) further includes
Idler wheel (25), in the first state, the idler wheel (25) protrude from except the cylindrical body (1), and idler wheel (25) protrudes tubular
The outlet of ontology (1) is located at eccentric arm (21) and deflects away from tossing about for cylindrical body (1) outlet.
3. the automatically controlled eccentric of a kind of neutron according to claim 1, it is characterised in that: the eccentric arm (21) is relative to cylinder
Shape ontology (1) rotation connection；The executing agency (2) further includes can be relative to cylindrical body (1) sliding block (22) in axial sliding
And connecting rod (23) hinged with sliding block (22) and eccentric arm (21) simultaneously；The output end of the driving mechanism (3) drives
Sliding block (22) movement, and sliding block (22) can relative to driving mechanism (3) output end cylindrical body (1) axial translation；
It further include the pressure spring (24) that sliding block (22) are pushed down in one end, the other end of pressure spring (24) is fixed or opposite relative to cylindrical body (1)
It is fixed in the output end of driving mechanism (3).
4. the automatically controlled eccentric of a kind of neutron according to claim 3, it is characterised in that: further include relative to cylindrical body
(1) the idler wheel mounting blocks (210) and second connecting rod (211) being rotatablely connected, the both ends of second connecting rod (211) are pacified with idler wheel respectively
Fill block (210) and eccentric arm (21) connection；Idler wheel (25) are installed on the idler wheel mounting blocks (210), in the first state, institute
It states idler wheel (25) to protrude from except the cylindrical body (1), the outlet of idler wheel (25) protrusion cylindrical body (1) is located at eccentric arm
(21) tossing about for cylindrical body (1) outlet is deflected away from.
5. the automatically controlled eccentric of a kind of neutron according to claim 3, it is characterised in that: the execution of the driving mechanism (3)
End is single for that relative to the pull rod (31) of the axial movement of cylindrical body (1), driving mechanism (3) can further include linear motion driving
Member.
6. the automatically controlled eccentric of a kind of neutron according to claim 5, it is characterised in that: the linear motion driving unit packet
Motor (32), the screw rod (33) by motor (32) driving rotation and feed screw nut (34) are included, the pull rod (31) is relative to silk
Stem nut (34) is fixed.
7. the automatically controlled eccentric of a kind of neutron according to claim 1-6, it is characterised in that: the eccentric arm (21)
One end except cylindrical body (1) can be deviated from and be provided with the second idler wheel (26).
8. the automatically controlled eccentric of a kind of neutron according to claim 1-6, it is characterised in that: the top connection (4)
Including top connection ontology (41), it is connected through a screw thread between top connection ontology (41) and cylindrical body (1), and be equipped between the two
Second pressure spring (42)；Top connection ontology (41) periphery is socketed with threaded connector sleeve (43), and connector sleeve (43) can be relative to upper
Joint body (41) rotates and is locked.
9. the automatically controlled eccentric of a kind of neutron according to claim 1-6, it is characterised in that: the lower contact (5)
Including lower contact ontology (51), it is connected through a screw thread between the lower contact ontology (51) and cylindrical body (1), and lower contact sheet
Body (51) is equipped with locking nut (52), and locking nut (52) holds out against the cylindrical body (1).
10. the automatically controlled eccentric of a kind of neutron according to claim 5 or 6, it is characterised in that: the driving mechanism (3) is also
The travel switch (7) of reciprocal position including two for controlling the pull rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159401.8U CN209385123U (en) | 2018-12-21 | 2018-12-21 | A kind of automatically controlled eccentric of neutron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159401.8U CN209385123U (en) | 2018-12-21 | 2018-12-21 | A kind of automatically controlled eccentric of neutron |
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| Publication Number | Publication Date |
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| CN209385123U true CN209385123U (en) | 2019-09-13 |
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| CN201822159401.8U Active CN209385123U (en) | 2018-12-21 | 2018-12-21 | A kind of automatically controlled eccentric of neutron |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266336A (en) * | 2021-04-25 | 2021-08-17 | 中石化石油工程技术服务有限公司 | Vertical seismic logging instrument acquisition nipple for fracture monitoring |
-
2018
- 2018-12-21 CN CN201822159401.8U patent/CN209385123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266336A (en) * | 2021-04-25 | 2021-08-17 | 中石化石油工程技术服务有限公司 | Vertical seismic logging instrument acquisition nipple for fracture monitoring |
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