CN105817524B - A kind of oil pipe perforating device - Google Patents
A kind of oil pipe perforating device Download PDFInfo
- Publication number
- CN105817524B CN105817524B CN201610113614.XA CN201610113614A CN105817524B CN 105817524 B CN105817524 B CN 105817524B CN 201610113614 A CN201610113614 A CN 201610113614A CN 105817524 B CN105817524 B CN 105817524B
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- actuator
- oil
- card punch
- plane
- cylinder body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The present invention relates to technical field of petroleum machinery, a kind of oil pipe perforating device is disclosed, including oil connection and perforation unit, oil connection is installed on the head end of perforation unit, perforation unit includes at least one section card punch, each section card punch includes piston cylinder and perforating mechanism, piston cylinder includes cylinder body and piston rod, perforating mechanism includes tool body, drift, actuator, locating part, block, the first keeper, the second keeper, piston rod is fixedly connected with actuator, and tool body is fixedly connected with cylinder body；Drift is installed on tool body by the first keeper and is connected with punch driver；Block is installed on tool body by the second keeper；After the first keeper is cut, actuator is moved to intermediate stations, and the punching end of drift is to oil pipe punching, and block is spacing to actuator；After the second keeper is cut, actuator drives block to be moved to final station, and drift is pulled in tool body, and the device can form stable hole, and will not damage sleeve pipe.
Description
Technical field
The present invention relates to technical field of petroleum machinery, more particularly to a kind of oil pipe perforating device.
Background technology
In the development operation of oil and natural gas, in order to ensure during Oil/gas Well underground work between oil pipe and annular space
With circulation canal, it is often necessary to punched on tubing wall, and it is current, and punching is realized by perforating gun on tubing wall
's.
In the construction operation of perforating gun, perforating gun is transferred into underground by cable or coiled tubing needs the mesh of perforation
Layer, pressurizeed the pressure detonator that is connected with coiled tubing of detonation, Jin Erqi by cable detonating capsule or by coiled tubing
Perforating bullet in quick-fried primacord and firing mount, so that the metal jet of perforating bullet penetrates corresponding outer blind hole and oil in gun body
The central tube of pipe and packer so that oil pipe and sleeve pipe are communicated, however, the hole randomness formed by perforating gun it is very big,
Hole shape is irregular and there is the possibility for being shot through casing wall metal jet pole of perforating bullet.However, Oil/gas Well job requirements are formed
Stable hole, and ensure not damage sleeve pipe in the case of perforate on oil pipe.
The content of the invention
The present invention provides a kind of oil pipe perforating device, and the device can form stable in the case where not damaging sleeve pipe
Hole.
A kind of oil pipe perforating device, including oil connection and perforation unit, it is single that the oil connection is installed on the punching
The head end of member, the perforation unit includes at least one section card punch, and each section card punch includes piston cylinder and perforating mechanism,
The piston cylinder include cylinder body and piston rod, the perforating mechanism include tool body, drift, actuator, locating part, block,
First keeper, the second keeper, wherein：
The piston rod can be slidably mounted in the cylinder body along the cylinder body length direction, and the end of the piston rod
End is fixedly connected with the head end of the actuator, and the head end of the cylinder body is provided with oil inlet, and when the card punch operation, institute
The oil inlet for stating cylinder body head end is connected with the oilhole of the oil connection；
The head end of the tool body is fixedly connected with the end of the cylinder body, and the tool body is provided with described for making
Drift is along the pilot hole moved perpendicular to the cylinder body length direction and is internally formed the cunning extended along the cylinder body length direction
Chamber；The drift is installed in the pilot hole by the first keeper；The actuator can be slided along the cylinder body length direction
The sliding intracavitary is installed on dynamicly and is connected with the punch driver；The block is installed on the work by the second keeper
Have body, and cutting pressure value of the cutting pressure value more than the first keeper of the second keeper, the tool body is provided with use
In the axial groove for making block be slided along the cylinder body length direction；When the actuator is in initial station, the actuator
It is relatively fixed between the drift and the tool body；Described in being more than when the actuator to the active force of the drift
During the cutting pressure value of the first keeper, first keeper is cut, and the actuator is to the end of the tool body
Direction is moved to intermediate stations, and the tool body is stretched out with to oil pipe punching in the punching end of the drift, and the block is logical
Cross locating part spacing to the actuator；When the actuator is more than the cutting pressure of the second keeper to the pressure value of the block
During force value, second keeper is cut, and the actuator drives the block to be moved to most to the tool body end
Whole station, the drift is pulled in the tool body.
In above-mentioned oil pipe perforating device, after the destination locations that oil pipe perforating device is transferred to Oil/gas Well, pair and oil pipe
Pressurizeed in the connected oil pipe of joint, hydraulic oil enters each section card punch in perforation unit by the oilhole of oil connection
Cylinder body in, in each section card punch, the hydraulic oil that actuator now is located in initial station, cylinder body is provided piston rod
One active force towards card punch end, and then make the actuator being fixedly connected with piston rod to the drift that is connected therewith
Act power.
With the increase of the hydraulic oil pressure in cylinder body, when actuator is more than cutting for the first keeper to the active force of drift
During disconnected pressure value, the first keeper is cut, actuator under the promotion of piston rod tool body cunning intracavitary along cylinder body
The quick direction movement in end of length direction to card punch, and then make drift in the driving lower edge of actuator perpendicular to cylinder body length
Direction is quickly moved to the direction towards oil pipe to be punctured, so that tool body is gone out to be punched to oil pipe in the punching end of drift,
When actuator is moved to intermediate stations along cylinder body length direction to the end direction of card punch, block is by locating part to driving
Moving part is spacing, now, and drift is moved to punching stroke along perpendicular to cylinder body length direction to the direction towards oil pipe to be punctured
Terminal.
As the oil pressure of the hydraulic oil in cylinder body continues to increase, when actuator is more than the second keeper to the active force of block
Cutting pressure value when, the second keeper is cut, and actuator drives end of the block along cylinder body length direction to card punch
Direction move, drift actuator driving lower edge perpendicular to cylinder body length direction to away from completed punch oil pipe direction
Mobile, when actuator is moved to final station along cylinder body length direction to the end direction of card punch, drift is pulled work
Have in body, now, drift is moved to along perpendicular to cylinder body length direction towards away from the direction for the oil pipe for having completed punching
The terminal of stroke is retracted, the punching work of card punch is completed.
Therefore, in above-mentioned oil pipe perforating device, due to being that oil pipe is punched using drift in punching, and drift
Moving direction, shift motion and shape determine, therefore stable hole can be formed on oil pipe in punching, and will not damage
Hinder sleeve pipe.
Preferably, the axial groove is connected with the pilot hole, and the block is installed on the axle by the second keeper
To the head end of groove；
The drift forms the first inclined-plane away from the surface at its punching end and guide rail is hooked, first inclined-plane and the cylinder
Between body length direction the angled middle angle towards tool body end direction be acute angle；
The actuator is provided with the second inclined-plane, the 3rd inclined-plane, the 4th inclined-plane and step surface, and second inclined-plane is located at institute
State institute between side of the 3rd inclined-plane towards tool body end, and second inclined-plane and the cylinder body length direction angled
The middle angle towards tool body head end direction be between acute angle, and the 3rd inclined-plane and the cylinder body length direction institute it is angled in
Angle towards tool body end direction is acute angle, and the 4th inclined-plane is parallel with the 3rd inclined-plane and is driven towards described
Moving part deviates from the side on the 3rd inclined-plane, and the step surface connects second inclined-plane and the 3rd inclined-plane and towards the work
Has the end of body；
The locating part can be slidably mounted in the pilot hole along perpendicular to the cylinder body length direction, described spacing
Part away from actuator surface it is parallel with the 3rd inclined-plane, towards the surface of tool body end and the block towards instrument
The surface of body head end offsets；
When the actuator is in initial station, the locating part is located between the drift and the actuator, and
The one side of the locating part towards actuator is parallel with second inclined-plane and offsets, and the locating part is towards first inclined-plane
One side it is parallel with the first inclined-plane and offset, and the structure face that hooks of the guide rail and the locating part are towards the one side phase of actuator
Support；
When the actuator is in intermediate stations, the locating part is towards the surface of tool body head end and the step
Face offsets, offseted, away from actuator towards the surface of tool body end and the surface of the block towards tool body head end
The surface of side is concordant with the 3rd inclined-plane；
When the actuator to tool body end direction after intermediate stations, the first inclined-plane of the drift with it is described
The hook face that 3rd inclined-plane is slidably matched and the guide rail is hooked is slidably matched with the 4th inclined-plane.
Preferably, the position that the 3rd inclined-plane is formed in the actuator is formed with slide rail, and the slide rail is away from described
The one side on the 3rd inclined-plane is the 4th inclined-plane.
Preferably, be threadedly coupled between the head end of the actuator and the end of the piston rod, and the piston rod with
Static sealing ring is provided between the head end of the actuator.
Preferably, actuator is formed with dovetail configuration, the instrument away from the side on second inclined-plane and the 3rd inclined-plane
Body is provided with the dovetail groove being slidably matched with the dovetail configuration.
Preferably, the end of the head end of the tool body and the cylinder body is connected by the middle connector with through hole
Connect, and the piston rod runs through the through hole.
Preferably, first keeper includes at least one pin, and/or, second keeper includes at least one
Individual pin.
Preferably, the oil connection is provided with external screw thread, and the cylinder body of the card punch of the perforation unit head end is provided with and institute
The internal thread for stating the external screw thread cooperation of oil connection is connected, the cylinder of the oil connection and the card punch of the perforation unit head end
Body screw thread coordinates, and provided with static sealing ring at screw thread cooperation.
Preferably, the perforation unit includes at least two section card punch, wherein：
In at least two sections card punch, in each section card punch in addition to minor details card punch, piston rod, which is provided with, runs through it
First oil-through hole of length direction, actuator is provided with the second oil-through hole that head end is connected with the first oil-through hole end, the instrument
The end of body is provided with the oil-out that the oil inlet set with oil cylinder head end in later section card punch is connected, the drive that and if only if
When moving part is in final station, connected between second oil-through hole and the oil-out by snap joint.
Preferably, in each section card punch of described at least two section card punch, the head end formation cuboid of actuator
Structure, the rectangular parallelepiped structure of head end formation is provided with the screwed hole being connected with the end thread of the piston rod；And except minor details punching
In each section card punch outside device, end and the second oil-through hole of the screwed hole that the rectangular parallelepiped structure that actuator head end is formed has
Head end connection, the end of actuator forms rectangular parallelepiped structure, and the female of snap joint is installed on the cuboid knot of end formation
The screwed hole that structure is provided with.
Preferably, card punch, the cylinder of the tool body of previous section card punch and next section card punch are saved described at least two
Body is connected by saving connector；And in each section card punch in addition to minor details card punch, the section connector is excessively oily provided with the 3rd
Hole, the oil inlet that the end of the 3rd oil-through hole is set with oil cylinder head end in later section card punch is connected；The section connector
Head end be provided with the screwed hole that connect with the 3rd oil-through hole, the male of the snap joint and the screwed hole spiral shell for saving connector
Line is connected；And between every two section card punch, static sealing ring is provided between the section connector and the cylinder body of next section card punch.
Preferably, in each section card punch of described at least one section card punch, the block formation is long along cylinder body
The groove of direction extension is spent, the actuator runs through the groove；And in each section card punch in addition to minor details card punch, it is described
The end surface of locating part is formed with projection, and the projection is stretched into the groove and away from the surface of the actuator side
It is relative with the bottom surface of the groove.
Preferably, the outer surface of the block is formed with the slide rail extended along the cylinder body length direction, and the instrument
Body is provided with the chute extended along cylinder body length direction, and the slide rail coordinates with the slide.
Brief description of the drawings
A kind of structural representation for oil pipe perforation unit that Fig. 1 provides for the present invention；
The A-A of a kind of oil pipe perforating device that Fig. 2 is provided for the present invention is to sectional view；
A kind of structural representation of the drift for oil pipe perforating device that Fig. 3 provides for the present invention；
A kind of structural representation for oil pipe perforating device that Fig. 4 provides for the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of oil pipe perforating device, including oil connection 1 and perforation unit 2, oil connection 1, which is installed on, to be beaten
The head end of hole unit 2, perforation unit 2 includes at least one section card punch, and each section card punch includes piston cylinder 21 and perforating mechanism
22, piston cylinder 21 includes cylinder body 211 and piston rod 212, and perforating mechanism 22 includes tool body 221, drift 224, actuator
222nd, locating part 223, block 225, the first keeper 227, the second keeper 226, wherein：
Piston rod 212 can be slidably mounted in cylinder body 211 along the length direction of cylinder body 211, and the end of piston rod 212 with
The head end of actuator 222 is fixedly connected, and the head end of cylinder body 211 is provided with oil inlet, and when card punch operation, the head end of cylinder body 211
Oil inlet connected with the oilhole of oil connection 1；
The head end of tool body 221 is fixedly connected with the end of cylinder body 211, and tool body 221, which is provided with, to be used to make drift 224
Along the pilot hole that is moved perpendicular to the length direction of cylinder body 211 and it is internally formed the cunning chamber extended along the length direction of cylinder body 211；Punching
First 224 are installed in pilot hole by the first keeper 227；Actuator 222 can be slidably mounted to along the length direction of cylinder body 211
Slide intracavitary and be connected with drift 224；Block 225 is installed on tool body 221 by the second keeper 226, and second determines
The cutting pressure value of position part 226 is more than the cutting pressure value of the first keeper 227, and tool body 221, which is provided with, to be used to make block 225
The axial groove slided along the length direction of cylinder body 211；When actuator 222 is in initial station, actuator 222 and drift 224 with
And be relatively fixed between tool body 221；When actuator 222 is more than the cutting of the first keeper 227 to the active force of drift 224
During pressure value, the first keeper 227 is cut, and the end direction of actuator 222 to tool body 221 is moved to intermediate stations,
The punching end extending tool body 221 of drift 224 with to oil pipe punching, and block 225 by locating part 223 to actuator 222
It is spacing；When actuator 222 is more than the cutting pressure value of the second keeper 226 to the pressure value of block 225, the second keeper
226 are cut, and actuator 222 drives block 225 to be moved to final station to the end of tool body 221, and drift 224 is pulled work
Have in body 221.
In above-mentioned oil pipe perforating device, after the destination locations that oil pipe perforating device is transferred to Oil/gas Well, pair and oil pipe
Pressurizeed in the connected oil pipe of joint 1, hydraulic oil enters each section in perforation unit 2 by the oilhole of oil connection 1 and beaten
In the cylinder body 211 of hole device, in each section card punch, hydraulic pressure of the actuator 222 in initial station, cylinder body 211 now
Oil provides piston rod 212 active force towards card punch end, and then makes the actuator that is fixedly connected with piston rod 212
222 pairs of drifts 224 being connected therewith act power.
With the increase of the hydraulic oil pressure in cylinder body 211, when actuator 222 is more than first to the active force of drift 224
During the cutting pressure value of keeper 227, the first keeper 227 is cut, and actuator 222 is under the promotion of piston rod 212 in work
Have end direction of the cunning intracavitary of body 221 along the length direction of cylinder body 211 to card punch quickly to move, and then make drift 224
Quickly moved to the direction towards oil pipe to be punctured perpendicular to the length direction of cylinder body 211 in the driving lower edge of actuator 222, so that
Tool body 221 is gone out with to oil pipe punching in the punching end of drift 224, when actuator 222 is along the length direction of cylinder body 211 to beating
When the end direction of hole device is moved to intermediate stations, block 225 is spacing to actuator 222 by locating part 223, now, drift
224 punch the terminal of stroke along being moved to perpendicular to the length direction of cylinder body 211 to the direction towards oil pipe to be punctured.
As the oil pressure of the hydraulic oil in cylinder body 211 continues to increase, when actuator 222 is more than to the active force of block 225
During the cutting pressure value of the second keeper 226, the second keeper 226 is cut, and actuator 222 drives block 225 along cylinder body
211 length directions are moved to the end direction of card punch, and drift 224 is grown in the driving lower edge of actuator 222 perpendicular to cylinder body 211
Degree direction is moved to the direction away from the oil pipe for having completed punching, when actuator 222 is along the length direction of cylinder body 211 to card punch
End direction when being moved to final station, drift 224 is pulled in tool body 221, now, drift 224 along perpendicular to
The length direction of cylinder body 211 is moved to towards the direction away from the oil pipe for having completed punching and retracts the terminal of stroke, and card punch is beaten
Hole work is completed.
Therefore, in above-mentioned oil pipe perforating device, due to being that oil pipe is punched using drift 224 in punching, and
Moving direction, shift motion and the shape of drift 224 are determined, therefore stable hole can be formed on oil pipe in punching,
And sleeve pipe will not be damaged.
As shown in Figure 1, Figure 2 and shown in Fig. 3, in a kind of preferred embodiment, axial groove is connected with pilot hole, and block 225 leads to
Cross the head end that the second keeper 226 is installed on axial groove；
Drift 224 forms the first inclined-plane 2241 away from the surface at its punching end and guide rail hooks 2242, the first inclined-plane 2241
Between the length direction of cylinder body 211 the angled middle angle towards the end direction of tool body 221 be acute angle；
Actuator 222 is provided with the second inclined-plane 2224, the 3rd inclined-plane 2221, the 4th inclined-plane 2223 and step surface 2222, the
Two inclined-planes 2224 are located at side of the 3rd inclined-plane 2221 towards the end of tool body 221, and the second inclined-plane 2224 is grown with cylinder body 211
The angled middle angle towards the head end direction of tool body 221 of institute is acute angle, and the 3rd inclined-plane 2221 and cylinder body between spending direction
Between 211 length directions the angled middle angle towards the end direction of tool body 221 be acute angle, the 4th inclined-plane 2223 and the
The side that is parallel and deviating from the 3rd inclined-plane 2221 towards actuator 222 of three inclined-plane 2221, step surface 2222 connects the second inclined-plane
2224 and the 3rd inclined-plane 2221 and towards the end of tool body 221；
Locating part 223 can be slidably mounted in pilot hole along perpendicular to the length direction of cylinder body 211, and locating part 223 deviates from
The surface of actuator 222 is 2221 parallel with the 3rd inclined-plane, towards the surface of the end of tool body 221 and block 225 towards instrument
The surface of the head end of body 221 offsets；
When actuator 222 is in initial station, locating part 223 is located between drift 224 and actuator 222, and spacing
The one side of part 223 towards actuator 222 is parallel with the second inclined-plane 2224 and offsets, and locating part 223 is towards the first inclined-plane 2241
It is simultaneously parallel with the first inclined-plane 2241 and offset, and guide rail hooks the one side of 2242 structure face and locating part 223 towards actuator 222
Offset；
When actuator 222 is in intermediate stations, locating part 223 is towards the surface of the head end of tool body 221 and step surface
2222 offset, offset, deviate from towards the surface of the end of tool body 221 and the surface of block 225 towards the head end of tool body 221
The surface of the side of actuator 222 is concordant with the 3rd inclined-plane 2221；
When actuator 222 to the end direction of tool body 221 after intermediate stations, the first inclined-plane 2241 of drift 224
It is slidably matched with the 3rd inclined-plane 2221 and the hook face of guide rail hook 2242 is slidably matched with the 4th inclined-plane 2223.
In each section card punch, when actuator 222 is in initial station, drift 224 and tool body 221 pass through the
Positioning piece 227 is fixedly connected, and when hydraulic oil is entered in cylinder body 211, the hydraulic oil in cylinder body 211 is provided piston rod 212
One active force towards card punch end, and then make to act power to the actuator 222 of connection fixed thereto, and due to this
When locating part 223 towards actuator 222 one side it is parallel with the second inclined-plane 2224 and offset, locating part 223 towards first is oblique
The one side in face 2241 is parallel with the first inclined-plane 2241 and offsets, and guide rail hooks 2242 structure face and locating part 223 towards actuator
222 one side offsets, and then actuator 222 acts power by locating part 223 to drift 224, with hydraulic oil pressure
Rise, actuator 222 acts power to drift 224 by locating part 223 and increased, when effect of the actuator 222 to drift 224
When power is more than the cutting pressure value of the first keeper 227, the first keeper 227 is cut so that the first keeper 227 is to drift
224 and the spacing disappearance of tool body 221, now, drift 224 can be relative to tool body 221 along perpendicular to cylinder body 211
Length direction is moved.
After the first keeper 227 is cut, actuator 222 is under the promotion of piston rod 212 along the length side of cylinder body 211
Quickly moved to the end direction to card punch, drive the one side of locating part 223 towards actuator 222 to be slided along the second inclined-plane 2224
It is dynamic, and then drive the first inclined-plane 2241 of drift 224 to be slided along one side of the locating part 223 away from actuator 222, and due to spacing
Part 223 and drift 224 are arranged in pilot hole, and institute between the second inclined-plane 2224 and the length direction of cylinder body 211 of actuator 222
The angled middle angle towards the head end direction of tool body 221 is acute angle, and the first inclined-plane 2241 and the cylinder body 211 of drift 224 are grown
Spend direction between institute the angled middle angle towards the end direction of tool body 221 be acute angle, therefore, in the work of actuator 222
Under, locating part 223 and drift 224 are quickly moved along perpendicular to the length direction of cylinder body 211 towards the direction of oil pipe to be punctured, with
The punching end of drift 224 is set to go out tool body 221 with to oil pipe punching.
When locating part 223 locating part 223 is moved to along the direction perpendicular to the length direction of cylinder body 211 towards oil pipe to be punctured
Offseted towards the surface of the head end of tool body 221 and step surface 2222, the surface away from the side of actuator 222 and the 3rd inclined-plane
2221 it is concordant when, the end direction of actuator 222 to tool body 221 is moved to intermediate stations, now, drift 224 along hang down
The terminal of punching stroke is directly moved to the direction towards oil pipe to be punctured in the length direction of cylinder body 211, and now, block 225
Tool body 221 is fixedly connected on by the second keeper 226, therefore the motion of actuator 222 stops.
As the oil pressure of the hydraulic oil in cylinder body 211 continues to increase, 222 pairs of the actuator being fixedly connected with piston rod 212
Increased therewith by the active force of the spacing block 225 of locating part 223, when actuator 222 is more than the to the active force of block 225
During the cutting pressure value of two keepers 226, the second keeper 226 is cut so that the second keeper 226 is to block 225 and work
Has the spacing disappearance of body 221, the length direction that now block 225 can be relative to tool body 221 along cylinder body 211 is in axial direction
Moved in groove.
When the second keeper 226 is cut, because locating part 223 is towards the surface of the head end of tool body 221 and step
Face 2222 offsets, away from the side of actuator 222 surface it is concordant with the 3rd inclined-plane 2221, therefore the first inclined-plane 2241 of drift 224
It is slidably matched with the 3rd inclined-plane 2221 and the hook face of guide rail hook 2242 is slidably matched with the 4th inclined-plane 2223, actuator 222 is in work
Moved under the promotion of stopper rod 212 along the length direction of cylinder body 211 to the end direction of card punch, drive block 225 to instrument sheet
The end of body 221 is moved, while drive drift 224 to be moved along perpendicular to the length direction of cylinder body 211, due to the of now drift 224
Between one inclined-plane 2241 and the length direction of cylinder body 211 the angled middle angle towards the end direction of tool body 221 be acute angle,
Institute is angled middle towards the end direction of tool body 221 between the 3rd inclined-plane 2221 and the length direction of cylinder body 211 of actuator 222
Angle be acute angle, therefore drift 224 along perpendicular to the length direction of cylinder body 211 to away from completed punch oil pipe direction move
It is dynamic.
When length direction of the actuator 222 along cylinder body 211 is moved to final station, drift 224 is pulled instrument sheet
In body 221, now, drift 224 is moved along perpendicular to the length direction of cylinder body 211 towards the direction away from the oil pipe for having completed punching
Move to the terminal for retracting stroke, the punching work of card punch is completed.
In the course of work of above-mentioned each section card punch, because the moving direction of drift 224 is before this along perpendicular to cylinder body
211 length directions are moved to towards the direction of oil pipe to be punctured, followed by along perpendicular to the length direction of cylinder body 211 to complete away from
Into the direction movement of punching oil pipe, therefore drift 224 is the length direction shifting along cylinder body 211 all the time in whole drill process
Dynamic, moving direction, the shift motion of drift 224 are determined, and the shape of drift 224 is determined in drill process, therefore each section
Card punch can form stable hole on oil pipe to be punctured, and by actuator 222 when moving to intermediate stations, limit
Position part 223 offsets towards the surface of the head end of tool body 221 and step surface 2222, towards the end of tool body 221 surface with
The surface of block 225 towards the head end of tool body 221 offsets, away from the side of actuator 222 surface and the 3rd inclined-plane 2221 it is flat
Together, now drift 224 reaches the terminal of punching stroke, by limiting the punching stroke of drift 224, and then ensure that and punching
A hole can be got in journey on oil pipe to be punctured, and damage will not be caused to sleeve pipe again simultaneously.
For above-mentioned oil pipe perforating device, in whole shift motion, in the punching stroke stage, drift 224 and locating part 223
Between contact surface be the first inclined-plane 2241, contact surface between locating part 223 and actuator 222 is the second inclined-plane 2224,
Retract in stroke, the contact surface between drift 224 and drive block 222 be the 3rd inclined-plane 2221 and the 4th inclined-plane 2223, due to
Drift 224 is in contact and coordinated between actuator 222, drift 224 and drive block 222 with locating part 223, locating part 223
Face be inclined-plane, and to the scarf wedgewise effect being engaged in motion process so that the motion process of drift 224
It is more stable.
Specifically, on the basis of card punch punching functions are met, to enable drift 224 preferably from the hole that it is beaten
Interior to remove, as shown in Figure 1, Figure 2 and shown in Fig. 3, the position that the 3rd inclined-plane 2221 is formed in actuator 222 is formed with slide rail, slide rail
One side away from the 3rd inclined-plane 2221 is the 4th inclined-plane 2223.
Drift 224 is got on oil pipe to be punctured behind a hole, and the punching end of drift 224 now is located at it in oil pipe
On in the hole beaten, tubing wall has the active force of clamping to the punching end of drift 224, and locating part 223 now is along vertical
Locating part 223 is moved to towards the table of the head end of tool body 221 to the direction towards oil pipe to be punctured in the length direction of cylinder body 211
Face offsets with step surface 2222, away from the side of actuator 222 surface it is concordant with the 3rd inclined-plane 2221, the first of drift 224 is oblique
Face 2241 is slidably matched with the 3rd inclined-plane 2221, and the guide rail hook 2242 of drift 224 catches on the slide rail on actuator 222, and guide rail
The hook face for hooking 2242 is slidably matched with the 4th inclined-plane 2223, at end of the actuator 222 along the length direction of cylinder body 211 to card punch
When extreme direction is continued to move to, drive the first inclined-plane 2241 of drift 224 to have and face away from having completed to beat along the 3rd inclined-plane 2221
The trend that the direction of the oil pipe in hole is slided, the slide rail matching that the guide rail of drift 224 is hooked on 2242 and actuator 222 is combined into drift
The hole that 224 top is left on oil pipe provides a pull-back forces, when the pull-back forces suffered by drift 224 are more than tubing wall to drift
When 224 punching end has the active force of clamping, the punching end of drift 224 leave completed punching oil pipe on hole, and
Under the drive of actuator 222, drift 224 is moved along perpendicular to the length direction of cylinder body 211 to away from the direction for having completed oil pipe.
Specifically, in order to realize the stability and sealing that are connected between actuator 222 and piston rod 212, actuator 222
Head end and the end of piston rod 212 between be threadedly coupled, and provided with quiet close between the head end of piston rod 212 and actuator 222
Seal.
One screwed hole is set in the head end of actuator 222 and set and actuator 222 in the end of piston rod 212
The external screw thread that the corresponding threaded holes that head end is set are closed, passes through the screw thread between the head end of actuator 222 and the end of piston rod 212
Coordinate, realize being fixedly connected for actuator 222 and piston rod 212, realize the transmission from piston rod 212 to the power of actuator 222
When process, the i.e. hydraulic oil in cylinder body 211 provide an active force towards card punch end to piston rod 212, piston rod
212 drive the actuator 222 of connection fixed thereto to act power to locating part 223.In addition, meeting actuator 222 and living
Be fixedly connected between stopper rod 212 on the basis of function, with reference to specific actual actuator 222 head end and piston rod 212 end it
Between it is also an option that other other connected modes of the function can be realized.
It is close between the stationary face that static sealing ring is in contact between the head end for ensuring piston rod 212 and actuator 222
Envelope, prevents the leakage of the hydraulic oil in the course of work of oil pipe perforating device, while ensureing in the worked of oil pipe perforating device
In journey in card punch oil pressure stabilization, the selection of static sealing ring can be determined according to actual conditions, can typically select O-shaped
Sealing ring, can also be other any sealing rings that disclosure satisfy that static seal requirement.
Specifically, as shown in Figure 1, Figure 2 and shown in Fig. 3, in order to ensure that actuator 222 can be in the cunning in tool body 221
Smoothly slided in chamber, actuator 222 is formed with dovetail configuration away from the side on the second inclined-plane 2224 and the 3rd inclined-plane 2221, work
Tool body 221 is provided with the dovetail groove being slidably matched with dovetail configuration.
During actuator 222 is moved along the length direction of cylinder body 211 to the end of card punch, actuator 222 is carried on the back
Slided from the side on the second inclined-plane 2224 and the 3rd inclined-plane 2221 dovetail configuration formed and the dovetail groove that tool body 221 is provided with
It is dynamic to coordinate, and then smoothly slided in the cunning chamber that guarantee actuator 222 can be in tool body 221.In addition, in actuator
222 form dovetail configuration away from the side on the second inclined-plane 2224 and the 3rd inclined-plane 2221, are formed and driving on tool body 221
The dovetail groove that dovetail configuration on part 222 is slidably matched can carry out spacing to actuator 222 so that pass through with actuator 222
Guide rail on the drift 224 that first inclined-plane 2241 and the 3rd inclined-plane 2221 are slidably matched hooks the slide rail on 2242 and actuator 222
The hole that the punching end that matching is combined into drift 224 is left on oil pipe provides a sufficiently large pull-back forces.
Specifically, as shown in Figure 1, Figure 2 and shown in Fig. 3, the end of the head end of tool body 221 and cylinder body 211 passes through centre
Connector 23 with through hole is connected, and piston rod 212 runs through through hole.In each section card punch of at least one section card punch,
The head end of the fastening means body 221 of connector 23 and the end of cylinder body 211, and in cylinder body 211, connector 23 and tool body
The passage that piston rod 212 is moved along the length direction of cylinder body 211 to the direction of card punch end is formed in 221.
Specifically, the first keeper 227 includes at least one pin, and/or, the second keeper 226 includes at least one
Pin.
First keeper 227 can be selected according to actual conditions, and general first keeper 227 can be three pins
Nail, the first keeper 227 can select three less pins of diameter, in contrast, be oriented to hole wall and be provided with and three diameters
Three corresponding the first positioning holes of less pin, the guide rail of drift 224 hooks 2242 and is provided with and three less pins of diameter
Three corresponding the second positioning holes of nail, when pin is not cut, each pin runs through the first corresponding positioning hole
With the second positioning hole so that drift 224 is fixedly connected with tool body 221.
Second keeper 226 can be selected according to actual conditions, and general second keeper 226 can be three pins
Nail, the second keeper 226 can select three pins being relatively large in diameter, in contrast, two in axial groove of tool body 221
Side wall is provided with three threeth positioning holes corresponding with the pin that three are relatively large in diameter, block 225 be provided with three it is straight
The one-to-one through hole of the larger pin in footpath, when pin is not cut, each pin is through the 3rd corresponding positioning
Hole is with through hole so that block 225 is fixedly connected with tool body 221.
Specifically, oil connection 1 is provided with external screw thread, and the cylinder body 211 of the card punch of the head end of perforation unit 2 is provided with and oil pipe
The internal thread that the external screw thread of joint 1 coordinates is connected, the screw thread of cylinder body 211 of oil connection 1 and the card punch of the head end of perforation unit 2
Coordinate, and provided with static sealing ring at screw thread cooperation.
The one end of oil connection 1 is connected with oil pipe, and the other end is connected with the cylinder body 211 of the card punch of the head end of perforation unit 2,
So that perforation unit 2 to be connected with oil pipe, when being pressurizeed to oil pipe, hydraulic oil is entered in card punch, so that card punch
Start working.Static sealing ring is used to ensuring close between the stationary face that is in contact between the cylinder body 211 of card punch and oil connection 1
Envelope, prevents the leakage of the hydraulic oil in the oil pipe card punch course of work, while ensureing in the course of work of oil pipe perforating device
The stabilization of oil pressure in card punch, the selection of static sealing ring can be determined according to actual conditions, can typically select O-shaped sealing
Circle, can also be other any sealing rings that disclosure satisfy that static seal requirement.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, in a kind of preferred embodiment, perforation unit 2 includes at least two section punchings
Device, wherein：
In at least two section card punch, in each section card punch in addition to minor details card punch, piston rod 212 is provided with through its length
First oil-through hole 2121 in direction is spent, actuator 222 is provided with the second oil-through hole that head end is connected with the end of the first oil-through hole 2121
2225, the end of tool body 221 is provided with the oil-out that the oil inlet set with oil cylinder head end in later section card punch is connected, when
And if only if when actuator 222 is in final station, being connected between the second oil-through hole 2225 and oil-out by snap joint 24.
After oil pipe perforating device transfers to the destination locations of Oil/gas Well, added in the oil pipe being connected with oil connection 1
Pressure, now, actuator 222 are located at initial station, and the oil circuit between head section card punch and second section card punch is not connected, cylinder body
Hydraulic oil in 211 provides piston rod 212 active force towards first section card punch end, and then makes to company fixed thereto
The actuator 222 connect acts power to drift 224, when actuator 222 is more than the first keeper to the active force of drift 224
During 227 cutting pressure value, the first keeper 227 is cut, and actuator 222 is under the promotion of piston rod 212 along cylinder body 211
Length direction is quickly moved to the first end direction for saving card punch, and then makes drift 224 vertical in the driving lower edge of actuator 222
Quickly moved to the direction of oil pipe to be punctured in the length direction of cylinder body 211, so that tool body is gone out at the punching end of drift 224
221 with to oil pipe punching, when the end direction of actuator 222 to tool body 221 is moved to intermediate stations, and block 225 leads to
Cross locating part 223 spacing to actuator 222, the oil pressure of the hydraulic oil in cylinder body 211 continues to increase, when actuator 222 is to block
When 225 pressure value is more than the cutting pressure value of the second keeper 226, the second keeper 226 is cut, and actuator 222 drives
Block 225 is moved to final station to the end of tool body 221, and drift 224 is pulled in tool body 221, head section card punch
Work complete, and connected between the second oil-through hole 2225 and oil-out by snap joint 24, hydraulic oil is entered
In next section card punch in the cylinder body 211 of oil cylinder, next section card punch work starts, override interrupt process, until each section is beaten
The drill process of hole device is completed.
Specifically, as shown in Figure 1, Figure 2 and shown in Fig. 3, in each section card punch of at least two section card punch, actuator 222
Head end formation rectangular parallelepiped structure, the rectangular parallelepiped structure of head end formation is provided with the screw thread that is connected with the end thread of piston rod 212
Hole；And in each section card punch in addition to minor details card punch, the screwed hole that the rectangular parallelepiped structure that the head end of actuator 222 is formed has
End connected with the head end of the second oil-through hole 2225, the end of actuator 222 forms rectangular parallelepiped structure, the mother of snap joint 24
Head is installed on the screwed hole that the rectangular parallelepiped structure of end formation is provided with.The head end of actuator 222 can be rectangular parallelepiped structure, may be used also
Think and disclosure satisfy that the function and length direction of the actuator 222 along cylinder body 211 is slidably mounted on tool body
Other any shapes in 221.
Snap joint 24 can be not required to manual operation, and the connection of oil circuit can be realized under the promotion of oil pressure, and action is simple,
Saving time and manpower.In addition, tear end oil circuit open in snap joint 24, i.e., when actuator 222 does not reach final station, snap joint
24 check valve can be will not flow out with closing oil path, hydraulic oil, thus avoid the loss of hydraulic oil and the loss of oil pressure.And
Pass through the screw thread being engaged with the screw thread in the female of snap joint 24 being provided with the rectangular parallelepiped structure of the end of actuator 222
Hole, can quickly be driven the connection between part 222 and snap joint 24 when mounted, simple and convenient, time saving and energy saving.
In each section card punch of at least one section card punch and each section card punch in addition to minor details card punch, due to
The head end of cylinder body 211 is provided with oil inlet, and piston rod 212 is installed in cylinder body 211, and piston rod 212 is provided with and runs through its length side
To the first oil-through hole 2121, the end of screwed hole and second that the rectangular parallelepiped structure of the head end of actuator 222 formation has be excessively oily
The head end connection in hole 2225, the end of actuator 222 is provided with snap joint 24, and actuator 222 is installed on tool body 221
Sliding intracavitary, the end of tool body 221 is provided with the oil-out connected with the oil inlet that oil cylinder head end is set in next section card punch,
When actuator 222 is in final station, connected between the second oil-through hole 2225 and oil-out by snap joint 24, in the section
The oil circuit and the oil communication between the section card punch and next section card punch, hydraulic oil through card punch are formed in card punch
From the section card punch enters next section card punch.
Before actuator 222 is moved to final station, do not connect, enter between the second oil-through hole 2225 and oil-out
The oil circuit of the hydraulic oil of the section card punch is at the female of snap joint 24, between the section card punch and next section card punch
Oil circuit do not connect, now, the hydraulic oil constantly entered in the section card punch, cylinder body 211 with hydraulic oil is to piston rod 212
One active force towards the section card punch end is provided, drives actuator 222 to leave initial station, the punching of the section card punch
Process starts, and after actuator 222 is moved to final station, the drill process of the section card punch terminates, the second oil-through hole
Connected between 2225 and oil-out by snap joint 24, the oil communication between the section card punch and next section card punch, liquid
Force feed is moved to final station from the section card punch enters next section card punch in the actuator 222 of next section card punch
Before, the oil circuit into next hydraulic oil for saving card punch is at snap joint 24, as hydraulic oil constantly enters, cylinder body
Hydraulic oil in 211 provides piston rod 212 active force towards next section card punch end, drive actuator 222 from
At first begin station, and the drill process of next section card punch starts, and is repeated in, until completing the punching except minor details card punch.
For minor details card punch, being moved to final station in upper one section card punch makes, and the second of upper section card punch is excessively oily
Connected between hole 2225 and its oil-out by snap joint 24, and the oil-feed of a upper section card punch oil-out and minor details card punch
In mouth connection, the cylinder body 211 that hydraulic oil enters minor details card punch from upper one section, and piston rod 212 and actuator 222 now
On be not provided with oil-through hole, and piston rod 212 is installed in cylinder body 211, and actuator 222 is installed on what is be connected with cylinder body 211
In the cunning chamber of tool body 221, so, hydraulic oil minor details card punch oil circuit at piston rod 212, so that with hydraulic pressure
Hydraulic oil in the continuous entrance of oil, cylinder body 211 provides an active force towards minor details card punch end to piston rod 212,
Actuator 222 is driven to leave initial station, the drill process of minor details card punch starts, when actuator 222 is moved to final station
When, the drill process of minor details card punch is completed.
In each section card punch of at least one section card punch and each section card punch in addition to minor details card punch, driving
The end of part 222 can be rectangular parallelepiped structure, can also can make end thread hole and the female phase of snap joint 24 for other
Coordinate and enable that length direction of the actuator 222 along cylinder body 211 be slidably mounted in tool body 221 other
What shape.And the end of actuator 222 is connected with snap joint 24 so that when actuator 222 be in final station when, the second mistake
Connected between oilhole 2225 and oil-out by snap joint 24, so that the oil communication between two section card punch.And for
Minor details card punch, is used as final section card punch, without next section card punch, the cuboid knot entered without setting end again
Structure.
Specifically, as shown in Fig. 1 and Fig. 4, at least two save card punch, the tool body 221 of previous section card punch with
The cylinder body 211 of next section card punch is connected by saving connector 25；And in each section card punch in addition to minor details card punch, section connects
Joint 25 is provided with the 3rd oil-through hole 251, the end of the 3rd oil-through hole 251 and the oil-feed of oil cylinder head end setting in later section card punch
Mouth connection；The head end of section connector 25 is provided with the screwed hole connected with the 3rd oil-through hole 251, and male and the section of snap joint 24 connect
The screwed hole threaded connection of joint 25；And between every two section card punch, the cylinder body 211 of section connector 25 and next section card punch
Between be provided with static sealing ring.
Card punch is saved at least one, section connector 25 connects the tool body 221 of previous section card punch and next section punching
The cylinder body 211 of device, the joint number of card punch in oil pipe perforating device can be rapidly increased by saving connector 25, can be according to reality
The need for border is punched, it is determined that required joint number, the oil pipe perforating device that corresponding punching is required can be completed by being then assembled into, together
When, also help transport using section connector 25 and carry, by oil pipe perforating device by being transported after section partition, reach punch operation
Destination after assemble again after use, therefore, using section connector 25 can it is convenient and swift complete transport and punching demand.
In saving card punch, and each section card punch in addition to minor details card punch at least one, due to the public affairs of snap joint 24
Head end of the head with saving connector 25 saves connector 25 and set provided with being threadedly coupled between the screwed hole connected with the 3rd oil-through hole 251
There is the 3rd oil-through hole 251, and the end of the 3rd oil-through hole 251 connects with the oil inlet that oil cylinder head end in later section card punch is set
It is logical, therefore, in the course of work of each section card punch, when actuator 222 is moved to final station, it is installed on actuator
The female of snap joint 24 in the screwed hole that 222 ends are set is quick in the head end screwed hole of section connector 25 with being arranged on
The male of joint 24 is connected, and the female of snap joint 24 is connected with the second oil-through hole 2225, the male of snap joint 24
It is connected with the 3rd oil-through hole 251, and the section connector 25 with the 3rd oil-through hole 251 connects the instrument sheet of previous section card punch
Body 221 with it is next section card punch cylinder body 211, therefore, when actuator 222 is moved to final station, previous section card punch with
Hydraulic circuit connection between next section card punch, hydraulic oil is flowed in the cylinder body 211 of next section card punch so that in upper one section
After the completion of the drill process of card punch, next section card punch can continue to be punched.
And by setting the screwed hole being engaged with the screw thread in the male of snap joint 24 in the head end of section connector 25,
It can quickly carry out saving the connection between connector 25 and snap joint 24 when mounted, it is simple and convenient, time saving and energy saving.
Between the cylinder body 211 that static sealing ring is used to ensuring saving connector 25 and next section card punch the stationary face that is in contact it
Between sealing, prevent in the course of work of oil pipe perforating device be particularly adjacent card punch between occur hydraulic oil leakage,
Ensure the stabilization of the oil pressure in each section card punch in the course of work of oil pipe perforating device simultaneously, the selection of static sealing ring can be with
It is determined according to actual conditions, can typically selects O-ring seal, any can also disclosure satisfy that static seal requirement for other
Sealing ring.
Specifically, in each section card punch of at least one section card punch, block 225 is formed along the length direction of cylinder body 211
The groove of extension, actuator 222 runs through groove；And in each section card punch in addition to minor details card punch, the end of locating part 223
Surface is formed with projection, and projection stretches into groove and relative with the bottom surface of groove away from the surface of the side of actuator 222.
Each section card punch of at least one section card punch, and in each section card punch in addition to minor details card punch, work as driving
Part 222 under the drive of the piston rod 212 of connection fixed thereto along the length direction of cylinder body 211 towards the end of card punch from
During initial station is moved to intermediate stations, actuator 222 drives locating part 223 and drift 224 along perpendicular to cylinder body 211
Length direction is moved to towards the direction of oil pipe to be punctured, and projection is away from the surface of the side of actuator 222 and the bottom surface of groove
All the time it is relative also ensure that locating part 223 and drift 224 moving direction be all the time along perpendicular to the length direction of cylinder body 211 to court
To the direction of oil pipe to be punctured, when actuator 222 is moved to intermediate stations, projection and groove are perpendicular to the length of cylinder body 211
Direction is contacted over and offseted, when actuator 222 is moved from intermediate stations along the length direction of cylinder body 211 to the end of card punch
To final station, because projection is relative and convex all the time away from the surface of the side of actuator 222 and the bottom surface of groove
Block and groove are being contacted over and offseted perpendicular to the length direction of cylinder body 211 so that block 225 is with actuator 222 together edge
The length direction of cylinder body 211 to move to the end of card punch.
Specifically, to ensure that block 225 can be moved smoothly on the basis of the above-mentioned limit function of block 225, block
225 outer surface is formed with the slide rail extended along the length direction of cylinder body 211, and tool body 221 is provided with along the length of cylinder body 211
The chute of direction extension, slide rail coordinates with slide.
In the moving process of block 225, the cunning extended along the length direction of cylinder body 211 of the outer surface formation of block 225
Rail is engaged with the chute extended along the length direction of cylinder body 211 that tool body 221 is provided with so that the mobile side of block 225
To being length direction along cylinder body 211 all the time, it is ensured that block 225 can be moved smoothly.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the embodiment of the present invention
Bright spirit and scope.So, if these modifications and variations of the present invention belong to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to comprising including these changes and modification.
Claims (13)
1. a kind of oil pipe perforating device, it is characterised in that including oil connection and perforation unit, the oil connection is installed on institute
State the head end of perforation unit, the perforation unit includes at least one section card punch, each section card punch include piston cylinder and
Perforating mechanism, the piston cylinder includes cylinder body and piston rod, and the perforating mechanism includes tool body, drift, actuator, spacing
Part, block, the first keeper, the second keeper, wherein：
The piston rod can be slidably mounted in the cylinder body along the cylinder body length direction, and the end of the piston rod with
The head end of the actuator is fixedly connected, and the head end of the cylinder body is provided with oil inlet, and when the card punch operation, the cylinder
The oil inlet of body head end is connected with the oilhole of the oil connection；
The head end of the tool body is fixedly connected with the end of the cylinder body, and the tool body, which is provided with, to be used to make the drift
Along the pilot hole that is moved perpendicular to the cylinder body length direction and it is internally formed the cunning chamber extended along the cylinder body length direction；
The drift is installed in the pilot hole by the first keeper；The actuator can be along the cylinder body length direction slidably
It is installed on the sliding intracavitary and is connected with the punch driver；The block is installed on the instrument sheet by the second keeper
Body, and cutting pressure value of the cutting pressure value more than the first keeper of the second keeper, the tool body, which is provided with, to be used to make
The axial groove that block is slided along the cylinder body length direction；When the actuator is in initial station, the actuator and institute
State and be relatively fixed between drift and the tool body；When the actuator is more than described first to the active force of the drift
During the cutting pressure value of keeper, first keeper is cut, end direction from the actuator to the tool body
It is moved to intermediate stations, the tool body is stretched out with to oil pipe punching in the punching end of the drift, and the block passes through limit
Position part is spacing to the actuator；When the actuator is more than the cutting pressure value of the second keeper to the pressure value of the block
When, second keeper is cut, and the actuator drives the block to be moved to final work to the tool body end
Position, the drift is pulled in the tool body.
2. oil pipe perforating device according to claim 1, it is characterised in that
The axial groove is connected with the pilot hole, and the block is installed on the head end of the axial groove by the second keeper；
The drift forms the first inclined-plane away from the surface at its punching end and guide rail is hooked, and first inclined-plane and the cylinder body are long
Spend direction between institute the angled middle angle towards tool body end direction be acute angle；
The actuator is provided with the second inclined-plane, the 3rd inclined-plane, the 4th inclined-plane and step surface, and second inclined-plane is located at described the
Three inclined-planes are towards the side of tool body end, and angled middle court of institute between second inclined-plane and the cylinder body length direction
It is the angled middle direction of institute between acute angle, and the 3rd inclined-plane and the cylinder body length direction to the angle in tool body head end direction
The angle of tool body end direction is acute angle, and the 4th inclined-plane is parallel with the 3rd inclined-plane and towards the actuator
Side away from the 3rd inclined-plane, the step surface connects second inclined-plane and the 3rd inclined-plane and towards the instrument sheet
The end of body；
The locating part can be slidably mounted in the pilot hole along perpendicular to the cylinder body length direction, the locating part back of the body
It is parallel with the 3rd inclined-plane from the surface of actuator, towards surface and the block of tool body end towards tool body
The surface of head end offsets；
When the actuator is in initial station, the locating part is located between the drift and the actuator, and described
The one side of locating part towards actuator is parallel with second inclined-plane and offsets, the locating part towards first inclined-plane one
Face is parallel with the first inclined-plane and offsets, and the structure face of guide rail hook and the one side of the locating part towards actuator offset；
When the actuator is in intermediate stations, the locating part is towards the surface of tool body head end and the step surface phase
Support, offseted, away from actuator side towards the surface of tool body end and the surface of the block towards tool body head end
Surface it is concordant with the 3rd inclined-plane；
When the actuator to tool body end direction after intermediate stations, the first inclined-plane of the drift and the described 3rd
The structure face that inclined-plane is slidably matched and the guide rail is hooked is slidably matched with the 4th inclined-plane.
3. oil pipe perforating device according to claim 2, it is characterised in that the 3rd inclined-plane is formed in the actuator
Position be formed with slide rail, one side of the slide rail away from the 3rd inclined-plane is the 4th inclined-plane.
4. oil pipe perforating device according to claim 2, it is characterised in that the head end of the actuator and the piston rod
End between be threadedly coupled, and between the head end of the piston rod and the actuator be provided with static sealing ring.
5. oil pipe perforating device according to claim 2, it is characterised in that actuator deviates from second inclined-plane and the 3rd
The side on inclined-plane is formed with dovetail configuration, and the tool body is provided with the dovetail groove being slidably matched with the dovetail configuration.
6. oil pipe perforating device according to claim 2, it is characterised in that the head end of the tool body and the cylinder body
End connected by the middle connector with through hole, and the piston rod runs through the through hole.
7. oil pipe perforating device according to claim 2, it is characterised in that first keeper is sold including at least one
Nail, and/or, second keeper includes at least one pin.
8. oil pipe perforating device according to claim 1, it is characterised in that the oil connection is provided with external screw thread, described
The cylinder body of the card punch of perforation unit head end is provided with the internal thread coordinated with the external screw thread of the oil connection and is connected, the oil pipe
The cylinder body screw thread of joint and the card punch of the perforation unit head end coordinates, and provided with static sealing ring at screw thread cooperation.
9. oil pipe perforating device according to claim 2, it is characterised in that the perforation unit includes at least two section punchings
Device, wherein：
In at least two sections card punch, in each section card punch in addition to minor details card punch, piston rod, which is provided with, runs through its length
First oil-through hole in direction, actuator is provided with the second oil-through hole that head end is connected with the first oil-through hole end, the tool body
End be provided with the oil-out that connects of oil inlet set with oil cylinder head end in later section card punch, and if only if the actuator
During in final station, connected between second oil-through hole and the oil-out by snap joint.
10. oil pipe perforating device according to claim 9, it is characterised in that in each of described at least two section card punch
The card punch is saved, the head end formation rectangular parallelepiped structure of actuator, the rectangular parallelepiped structure of head end formation is provided with and the piston rod
End thread connection screwed hole；And in each section card punch in addition to minor details card punch, it is rectangular that actuator head end is formed
The end for the screwed hole that body structure has is connected with the head end of the second oil-through hole, and the end of actuator forms rectangular parallelepiped structure, soon
The female of quick coupling is installed on the screwed hole that the rectangular parallelepiped structure of end formation is provided with.
11. oil pipe perforating device according to claim 9, it is characterised in that save card punch, previous section described at least two
The tool body of card punch is connected with the cylinder body of next section card punch by saving connector；And each section in addition to minor details card punch
In card punch, the section connector is provided with the 3rd oil-through hole, end and the oil cylinder in later section card punch of the 3rd oil-through hole
The oil inlet connection that head end is set；The head end of the section connector is provided with the screwed hole connected with the 3rd oil-through hole, described quick
The male of joint is threadedly coupled with the screwed hole of the section connector；And every two section card punch between, it is described section connector with
Static sealing ring is provided between the cylinder body of next section card punch.
12. oil pipe perforating device according to claim 9, it is characterised in that in each of described at least one section card punch
Save in the card punch, the groove that the block formation extends along cylinder body length direction, the actuator runs through the groove；And
In each section card punch in addition to minor details card punch, the end surface of the locating part is formed with projection, and the projection stretches into institute
State in groove and relative with the bottom surface of the groove away from the surface of the actuator side.
13. oil pipe perforating device according to claim 12, it is characterised in that the outer surface of the block is formed with along institute
The slide rail of cylinder body length direction extension is stated, and the tool body is provided with the chute extended along cylinder body length direction, the cunning
Rail coordinates with the slide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610113614.XA CN105817524B (en) | 2016-02-29 | 2016-02-29 | A kind of oil pipe perforating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610113614.XA CN105817524B (en) | 2016-02-29 | 2016-02-29 | A kind of oil pipe perforating device |
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| CN105817524B true CN105817524B (en) | 2017-10-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108119108B (en) * | 2018-02-08 | 2022-02-11 | 盘锦勇盛利石油科技开发有限公司 | Oil pipe hydraulic pressure perforating device |
| CN111434882B (en) * | 2019-01-11 | 2022-05-06 | 中国石油天然气股份有限公司 | Method for establishing one-way drainage gas production channel on oil pipe |
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|---|---|
| CN105817524A (en) | 2016-08-03 |
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