CN109702689A - A kind of casing uses pretreatment unit - Google Patents
A kind of casing uses pretreatment unit Download PDFInfo
- Publication number
- CN109702689A CN109702689A CN201811399152.8A CN201811399152A CN109702689A CN 109702689 A CN109702689 A CN 109702689A CN 201811399152 A CN201811399152 A CN 201811399152A CN 109702689 A CN109702689 A CN 109702689A
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- cylinder
- turntable
- motor
- sliding slot
- grip block
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Abstract
The invention discloses a kind of casings to use pretreatment unit, including cylinder, mounting plate is arranged in one end of cylinder, motor is arranged in inner barrel, the output shaft of motor is fixedly connected outside cylinder with pinion gear, further includes the gear wheel being meshed with pinion gear, and turntable is arranged far from the side of cylinder direction in gear wheel, it is fixedly connected between turntable and gear wheel by transmission shaft, turntable is evenly distributed with N number of thread protector fastener far from the side surface annular of transmission shaft；Thread protector fastener includes sliding slot, and limited block is located at sliding slot towards one end of turntable center of circle direction, and grip block can be moved along the long axis of sliding slot, and the tapped through hole passed through for bolt is provided on grip block.The present invention is very big to solve to dismantle casing screw protector manpower consumption in the prior art, and it by the interference of upper layer or lower layer's casing, needs constantly to clamp, release, the problem of leading to inefficiency, realizes the interference for avoiding upper layer or lower layer's casing, the purpose for improving removal efficiency, reducing manpower consumption.
Description
Technical field
The present invention relates to petroleum drilling engineering fields, and in particular to a kind of casing uses pretreatment unit.
Background technique
Casing screw protector is called thread protector set, plastic-steel threading protectors, is the auxiliary products of petroleum casing pipe, primarily serves protection
The effect of screw thread.To prevent casing from causing screw thread to damage due to the factors such as carrying, dismantling during transportation, every casing exists
When factory, both ends are equipped with thread protector, and dismantling casing screw protector is one to seem simply be very laborious and time-consuming work；It is special
Be not encounter between longer casing resting period, screw buckle and thread protector enter more dust silt rainwater etc. whens, will lead to
Bite occurs between thread protector and casing threads button, the thread protector disassembly difficulty under such state is very big.In the prior art, casing screw protector
Disassembly generally all by worker hold pipe wrench by manpower complete, specifically, worker hold pipe wrench, so that pipe wrench is clamped thread protector outer end
Flange, then firmly pushed or rotated, until thread protector loosens, manpower consumption is very big.
Further, since the overlapping stacking of casing at the scene is completed by crane, before laying down thread protector and measuring length one by one,
It can not accomplish that end is perfectly aligned, therefore worker will necessarily be led when rotating pipe wrench by the interference of upper layer or lower layer's casing
Cause can not whole circle rotate, often can only half rotation will dismantle pipe wrench and again choose suitable position of having an effect and be pressed from both sides
It holds, then carries out force rotation, this process needs to repeat to always thread protector and loosened completely to that can be rotated with hand, can not
Pipe wrench is reused, is completed last to unload work with hand.It during this, needs constantly to clamp, unclamp pipe wrench progress position more
It changes, causes removal efficiency extremely low.
Summary of the invention
The purpose of the present invention is to provide a kind of casings to use pretreatment unit, is managed and protected with solving disassembly set in the prior art
Silk manpower consumption is very big, and is constantly clamped, unclamps by the interference of upper layer or lower layer's casing, needs, leads to inefficiency
Problem realizes the interference for avoiding upper layer or lower layer's casing, the purpose for improving removal efficiency, reducing manpower consumption.
The present invention is achieved through the following technical solutions:
A kind of casing uses pretreatment unit, which is characterized in that one end of the cylinder including open at both ends, the cylinder is set
Set mounting plate, motor is arranged in inner barrel, the through-hole that the output shaft of setting and motor matches on mounting plate, the motor it is defeated
Shaft is passed through from the through-hole, and the output shaft of motor is fixedly connected outside cylinder with pinion gear, and the axis of the output shaft
The axis collinear of line and the pinion gear further includes the gear wheel being meshed with the pinion gear, and the gear wheel is far from cylinder
Turntable is arranged in the side of direction, is fixedly connected between the turntable and gear wheel by transmission shaft, the gear wheel, transmission
Axis, the axis of turntable are conllinear；The turntable is evenly distributed with N number of thread protector fastener far from the side surface annular of transmission shaft, wherein N >=2；
The thread protector fastener includes sliding slot, grip block, limited block, bolt, locknut, and the long axis of the sliding slot crosses the center of circle of turntable,
The limited block is located at sliding slot towards one end of turntable center of circle direction, and the grip block and limited block are facing each other, clamping
Block matches with sliding slot, and grip block can be moved along the long axis of the sliding slot, is provided on grip block and passes through for bolt
Tapped through hole, be arranged locknut on bolt.
For in the prior art disassembly casing screw protector manpower consumption it is very big, and by the interference of upper layer or lower layer's casing,
The problem of constantly clamping, unclamping, lead to inefficiency is needed, the present invention proposes that a kind of casing uses pretreatment unit, including two
Open cylinder is held, mounting plate is arranged in one end of the cylinder, and mounting plate is used to keep the stabilization of motor output shaft.Motor is located at
In cylinder, the output shaft of motor is passed through from the through-hole on mounting plate and is fixedly connected with pinion gear, and pinion gear is nibbled with gear wheel
It closes, and the axis collinear of the axis of output shaft and the pinion gear, therefore inevitable, the axis of gear wheel and the axis of output shaft
Not conllinear, gear wheel is in eccentric state compared to the output shaft of motor, and the revolving speed of gear wheel is lower than pinion gear, then herein
Under state, by the cooperation of pinion gear and gear wheel, slowing-down structure is formed, turntable is fixedly connected by transmission shaft with gear wheel,
Therefore the revolving speed of turntable is consistent with gear wheel, is turntable by the slowing-down structure of pinion gear and gear wheel cooperatively formed
Bigger torque is provided, the torque on the flange of casing screw protector is bigger so that turntable acts on, and provides strength and stable torque
Casing screw protector is dismantled, thus overcome the problems, such as that is be likely to occur between thread protector fastener and casing screw protector slips and falls off, pole
Big raising stability in use of the invention, improves using effect, turntable is applied to casing screw protector much larger than manpower
Torque.The structure of thread protector fastener are as follows: including sliding slot, grip block, limited block, bolt, locknut, the long axis mistake of the sliding slot
The center of circle of turntable, the limited block are located at sliding slot towards one end of turntable center of circle direction, the grip block and limited block phase
Mutual face, grip block match with sliding slot, and grip block can be moved along the long axis of the sliding slot, and moving range limits
In the length range of sliding slot, consequently facilitating according to the flange flexibly adjustment grip block of different casing screw protectors and limited block it
Between distance, allow the invention to the use for meeting the casing screw protector of various models, improve the scope of application of the invention.Clamping
It is provided with the tapped through hole passed through for bolt on block, is arranged locknut on bolt.When the present invention is specifically used, turntable is aligned
Casing screw protector to be removed, and adjust cylinder and be allowed to not interfered by the blocking of upper layer or lower layer's casing, later by each thread protector fastener
In limited block be resisted against the inside of thread protector flange so that the flange of thread protector is between limited block and grip block, and bolt
It is resisted against the outside of thread protector flange, then tightens each locknut, so that each thread protector fastener is uniform and stable manages and protects to set
The flange of silk is clamped.After all nuts are all tightened, start motor, so that the output shaft of motor drives pinion rotation,
It is rotated again via gear wheel speed change rear-guard turn disk, each thread protector fastener is rotated with turntable, to drive casing screw protector
It is rotated, casing screw protector is loosened with this and is come.The present invention provides power by motor for the disassembly of casing screw protector, and logical
The cooperation for crossing pinion gear and gear wheel provides great effective torque, therefore compared to the prior art, greatly reduces people
Power consumption.In addition, clamped by N number of thread protector fastener on turntable to the flange of casing screw protector in the present invention, no longer need to using
Pipe wrench is clamped, and course of work middle cylinder body position remains unchanged, therefore, even if upper layer or lower layer's casing are not aligned, also not
Any interference can be caused to the rotation for the motor being located in cylinder.When in compared to the prior art using pipe wrench, due to pipe wrench
Shank portion is longer and can be stopped by the casing that upper layer or lower layer are protruded, and is unable to complete the rotation of the whole whole circle of circle, needs constantly
Clamping, unclamp pipe wrench carry out position replacement defect, the present invention once complete each thread protector fastener installation clamping, so that it may even
Continuous continuous progress multipurpose rotary, is greatly saved the take-down time of casing screw protector, greatly improves to casing screw protector
Removal efficiency.
Preferably, the inner barrel is fixedly connected with motor rack, and motor is mounted on motor rack.By motor rack to motor
Installation fixation is carried out, is convenient for after installing motor on motor rack again outside cylinder, then motor rack is integrally sent into inner barrel
It is installed.
It preferably, further include the end cap that the one end of cylinder far from mounting plate direction is set, the end cap and cylinder
It is detachably connected, cover internal fills acoustical cotton.For end cap for covering cylinder, avoiding sundries from entering influences motor normal work,
And by the acoustical cotton filled in end cap, the noise transmission of motor work can be greatly reduced, improve the protection to worker.
Preferably, the bearing that the output shaft of the through hole setting and motor matches, the output shaft of motor passes through described
Bearing.The stability of the output shaft of motor can greatly be improved by bearing, reduced amplitude, avoided shaking, it is defeated to extend motor
The service life of shaft.
Preferably, it is provided with the sliding block to match in the sliding slot, grip block is fixedly connected on the slide block.This programme
In, sliding block matches with sliding slot, and grip block is not directly connected in sliding slot, but by the connection with sliding block, realize clamping
Being indirectly connected between block and sliding slot, so that grip block can be moved on the long axis direction of sliding slot.
Preferably, the grip block, limited block are metal plate, and the surface of grip block, limited block is each perpendicular to correspond to
Sliding slot long axis.Metal plate is as grip block, limited block, it can be ensured that grip block, limited block and casing screw protector flange are continuous
When abrasion, substantial injury will not be caused to grip block, limited block, it is ensured that stability in use of the invention improves and uses the longevity
Life.
Preferably, several double wedges are arranged towards a side surface of limited block direction in the grip block.It is mentioned by double wedge
Frictional force between high limited block and thread protector flange further increases the stability in the course of work of the present invention.
Preferably, the reference diameter of the pinion gear is the 1/3~1/4 of the reference diameter of gear wheel.So that canine tooth
The revolving speed of wheel is significantly less than pinion gear, it is ensured that gear wheel is capable of providing sufficient torque and loosens casing screw protector.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of casing of the present invention uses pretreatment unit, and turntable is directed at casing screw protector to be removed by when use, and is adjusted
Whole cylinder is allowed to not interfered by the blocking of upper layer or lower layer's casing, and it is convex that the limited block in each thread protector fastener is resisted against thread protector later
The inside of edge, so that the flange of thread protector is between limited block and grip block, and bolt is resisted against the outside of thread protector flange, then
Each locknut is tightened, so that each thread protector fastener is uniform and the stable flange to casing screw protector clamps.To all
After nut is all tightened, start motor, so that the output shaft of motor drives pinion rotation, then via gear wheel speed change rear-guard turn
Disk rotation, each thread protector fastener are rotated with turntable, so that casing screw protector be driven also to be rotated, are unloaded casing screw protector with this
It unclamps and.The present invention provides power by motor for the disassembly of casing screw protector, therefore compared to the prior art, can be greatly reduced
Manpower consumption.
2, a kind of casing of the present invention uses pretreatment unit, compared to the prior art when middle use pipe wrench, passes through pinion gear
With the slowing-down structure of gear wheel cooperatively formed, bigger torque is provided for turntable, so that turntable acts on the convex of casing screw protector
Torque on edge is bigger, provides strength and stable torque dismantles casing screw protector, to overcome thread protector fastener and casing
Be likely to occur between thread protector the problem of slipping and falling off, greatly improve stability in use of the invention, improve using effect, make
The torque for being much larger than manpower can be applied to casing screw protector by obtaining turntable.
3, a kind of casing of the present invention uses pretreatment unit, by N number of thread protector fastener on turntable to the flange of casing screw protector
Clamped, no longer need to be clamped using pipe wrench, course of work middle cylinder body position remains unchanged, therefore, though upper layer or under
Layer casing is not aligned, and will not cause any interference to the rotation for the motor being located in cylinder.Make in compared to the prior art
When with pipe wrench, it can be stopped by the casing that upper layer or lower layer are protruded since the shank portion of pipe wrench is longer, be unable to complete whole circle
The rotation of whole circle needs constantly to clamp, unclamps the defect that pipe wrench carries out position replacement, and the present invention once completes each thread protector fastener
Installation clamping, so that it may continuously carry out multipurpose rotary, be greatly saved the take-down time of casing screw protector, greatly
Improve the removal efficiency to casing screw protector.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram when specific embodiment of the invention uses；
Fig. 2 is the front view of specific embodiment of the invention turntable.
Label and corresponding parts title in attached drawing:
1- cylinder, 2- mounting plate, 3- motor, 31- output shaft, 4- turntable, 5- sliding slot, 6- grip block, 7- limited block, 8- spiral shell
Bolt, 9- locknut, 10- motor rack, 11- bearing, 12- double wedge, 13- casing screw protector, 14- pinion gear, 15- gear wheel, 16- are passed
Moving axis, 17- end cap, 18- acoustical cotton.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
A kind of casing as shown in Figures 1 and 2 uses pretreatment unit, the cylinder 1 including open at both ends, the cylinder 1
One end mounting plate 2 is set, motor 3 is set inside cylinder 1, and the output shaft 31 of setting and motor 3 matches logical on mounting plate 2
The output shaft 31 in hole, the motor 3 is passed through from the through-hole, and the output shaft 31 of motor 3 is solid in 1 outside of cylinder and pinion gear 14
Fixed connection, and the axis collinear of the axis of the output shaft 31 and the pinion gear 14, further include nibbling with 14 phase of pinion gear
Turntable 4, the turntable 4 and gear wheel 15 is arranged far from the side of 1 direction of cylinder in the gear wheel 15 of conjunction, the gear wheel 15
Between be fixedly connected by transmission shaft 16, the gear wheel 15, transmission shaft 16, the axis of turntable 4 are conllinear；The turntable 4 is remote
Side surface annular from transmission shaft 16 is evenly distributed with N number of thread protector fastener, wherein N >=2；The thread protector fastener includes sliding slot 5, grip block
6, limited block 7, bolt 8, locknut 9, the long axis of the sliding slot 5 cross the center of circle of turntable 4, and the limited block 7 is located at 5 court of sliding slot
To one end of 4 center of circle direction of turntable, the grip block 6 and limited block 7 are facing each other, and grip block 6 matches with sliding slot 5,
Grip block 6 can be moved along the long axis of the sliding slot 5, and the tapped through hole passed through for bolt 8 is provided on grip block 6,
Locknut 9 is arranged on bolt 8.In Fig. 1, grip block 6, locknut 9 are also in the state that do not tighten.
Embodiment 2:
A kind of casing as shown in Figures 1 and 2 uses pretreatment unit, and on the basis of embodiment 1, N takes 4, the cylinder
Motor rack 10 is fixedly connected with inside body 1, motor 3 is mounted on motor rack 10.It further include being arranged in cylinder 1 far from 2 institute of mounting plate
End cap 17 in the one end in direction, the end cap 17 are detachably connected with cylinder 1, and acoustical cotton 18 is filled inside end cap 17.It is described
The bearing 11 that the output shaft 31 of through hole setting and motor 3 matches, the output shaft 31 of motor 3 pass through the bearing 11.It is described
The sliding block to match is provided in sliding slot 5, grip block 6 is fixedly connected on the slide block.The grip block 6, limited block 7 are
Metal plate, and the surface of grip block 6, limited block 7 is each perpendicular to the long axis of corresponding sliding slot 5.The grip block 6 is towards limited block
Several double wedges 12 are arranged in one side surface of 7 directions.The reference diameter of the pinion gear 14 is the reference circle of gear wheel 15
The 1/4 of diameter.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of casing uses pretreatment unit, which is characterized in that the cylinder (1) including open at both ends, the one of the cylinder (1)
End setting mounting plate (2), cylinder (1) is internal to be arranged motor (3), output shaft (31) phase of setting and motor (3) on mounting plate (2)
The output shaft (31) of matched through-hole, the motor (3) is passed through from the through-hole, and the output shaft (31) of motor (3) is in cylinder
(1) external to be fixedly connected with pinion gear (14), and the axis collinear of the axis of the output shaft (31) and the pinion gear (14),
It further include the gear wheel (15) being meshed with the pinion gear (14), the gear wheel (15) is far from cylinder (1) direction
Turntable (4) are arranged in side, are fixedly connected between the turntable (4) and gear wheel (15) by transmission shaft (16), the gear wheel
(15), transmission shaft (16), the axis of turntable (4) are conllinear；Side surface annular of the turntable (4) far from transmission shaft (16) is
The N number of thread protector fastener of cloth, wherein N >=2；The thread protector fastener includes sliding slot (5), grip block (6), limited block (7), bolt (8), tight
Determine nut (9), the long axis of the sliding slot (5) crosses the center of circle of turntable (4), and the limited block (7) is located at sliding slot (5) towards turntable
(4) one end of center of circle direction, the grip block (6) and limited block (7) are facing each other, grip block (6) and sliding slot (5) phase
Match, grip block (6) can be moved along the long axis of the sliding slot (5), be provided on grip block (6) and passed through for bolt (8)
Tapped through hole, be arranged locknut (9) on bolt (8).
2. a kind of casing according to claim 1 uses pretreatment unit, which is characterized in that solid inside the cylinder (1)
Surely motor rack (10) are connected, motor (3) is mounted on motor rack (10).
3. a kind of casing according to claim 1 uses pretreatment unit, which is characterized in that further include being arranged in cylinder
(1) end cap (17) of one end far from mounting plate (2) direction, the end cap (17) are detachably connected with cylinder (1), end cap
(17) internal to fill acoustical cotton (18).
4. a kind of casing according to claim 1 uses pretreatment unit, which is characterized in that the through hole setting and electricity
The output shaft (31) of the bearing (11) that the output shaft (31) of machine (3) matches, motor (3) passes through the bearing (11).
5. a kind of casing according to claim 1 uses pretreatment unit, which is characterized in that setting in the sliding slot (5)
There is the sliding block to match, grip block (6) is fixedly connected on the slide block.
6. a kind of casing according to claim 1 uses pretreatment unit, which is characterized in that the grip block (6), limit
Block (7) is metal plate, and the surface of grip block (6), limited block (7) is each perpendicular to the long axis of corresponding sliding slot (5).
7. a kind of casing according to claim 1 uses pretreatment unit, which is characterized in that grip block (6) direction
Several double wedges (12) are arranged in one side surface of limited block (7) direction.
8. a kind of casing according to claim 1 uses pretreatment unit, which is characterized in that point of the pinion gear (14)
Degree circular diameter is the 1/3~1/4 of the reference diameter of gear wheel (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399152.8A CN109702689A (en) | 2018-11-22 | 2018-11-22 | A kind of casing uses pretreatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399152.8A CN109702689A (en) | 2018-11-22 | 2018-11-22 | A kind of casing uses pretreatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109702689A true CN109702689A (en) | 2019-05-03 |
Family
ID=66255143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811399152.8A Withdrawn CN109702689A (en) | 2018-11-22 | 2018-11-22 | A kind of casing uses pretreatment unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109702689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296102A (en) * | 2021-05-20 | 2021-08-24 | 宏华油气工程技术服务有限公司 | Preparation device and preparation method used before petroleum casing running |
-
2018
- 2018-11-22 CN CN201811399152.8A patent/CN109702689A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296102A (en) * | 2021-05-20 | 2021-08-24 | 宏华油气工程技术服务有限公司 | Preparation device and preparation method used before petroleum casing running |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190503 |
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| WW01 | Invention patent application withdrawn after publication |