CN206129758U - 800KN level coiled tubing fill head hydraulic control device - Google Patents
800KN level coiled tubing fill head hydraulic control device Download PDFInfo
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- CN206129758U CN206129758U CN201621137338.2U CN201621137338U CN206129758U CN 206129758 U CN206129758 U CN 206129758U CN 201621137338 U CN201621137338 U CN 201621137338U CN 206129758 U CN206129758 U CN 206129758U
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- hydraulic control
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- 238000002347 injection Methods 0.000 claims description 34
- 239000007924 injection Substances 0.000 claims description 34
- 238000005086 pumping Methods 0.000 claims description 20
- 238000004146 energy storage Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003129 oil well Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model provides a chain slips component, still including: that 800KN level coiled tubing fill head hydraulic control device, including the chassis, set up mount and symmetry on the chassis and set up in taking out the oil pipe both sides, form relative centre gripping form to taking out oil pipe fixture, straining device and drive mechanism, fixture including: clamping cylinder, straining device including: tension cylinder and location lock member, drive mechanism including: pull main motor, chain slips member is fixed in the chain that draws main motor to take turns to, clamping cylinder passes through the chain clamp plate and presss from both sides tight chain slips component, tension cylinder and chain slips structrual joint, a 800KN level coiled tubing fill head hydraulic control device, press from both sides tight oil pipe through clamping cylinder to through location lock member location locking device, guarantee that it is drawing positive center to take out oil pipe, take out the speed that oil pipe put into or took out through drawing main motor control at last, accomplish the control to taking out oil pipe fill head.
Description
Technical Field
The utility model belongs to oil well injection head hydraulic control field, concretely relates to 800KN level continuous oil pipe injection head hydraulic control device.
Background
At present, the continuous injection head is widely used in various oil fields at home and abroad, the metal pipe is continuously injected under the domestic prior art, the whole hydraulic control system is relatively backward, and the displayable data is basically operations such as a system pressure numerical table, emergency stop and brake under abnormal pressure or emergency conditions. The human-computer operation interface is visual, intelligent, protective and reliable, and is far from sufficient.
The invention provides a floating clamping device for a continuous oil pipe injection head, which is named as a floating clamping device for the continuous oil pipe injection head and comprises a driving chain wheel, a transmission chain, a supporting plate, a push plate, clamping oil cylinders and clamping components, wherein at least two clamping oil cylinders are fixedly arranged on the supporting plate, the push plate is fixed on the supporting plate through a pin shaft, each clamping component comprises a saddle-shaped clamping block, a clamping block seat and a rolling body arranged on the clamping block seat, the clamping components are arranged on the transmission chain, a piston rod of each clamping oil cylinder is pressed against one surface of the push plate, and the other surface of the push plate is pressed against the rolling body of the clamping base. The push plate can float along with the change of the clamped coiled tubing on the angle or position, so that the coiled tubing is uniformly stressed, and the rigid extrusion or machine damage to the coiled tubing is avoided.
The invention discloses a coiled tubing injector head support apparatus having application number "201410799946.9" and named "coiled tubing injector head support apparatus and coiled tubing injector apparatus", comprising: the slide rail, the support frame, tilting mechanism, horizontal adjustment mechanism, vertical adjustment mechanism and high adjustment mechanism, drive the upset of coiled tubing injection head through tilting mechanism, adjust tilting mechanism's lateral displacement through horizontal adjustment mechanism, adjust the vertical displacement of support frame through vertical adjustment mechanism, adjust the inclination of coiled tubing injection head and support the coiled tubing injection head through high adjustment mechanism, make the direction of coiled tubing injection head tangent with oil pipe cylinder and defeated pipe network of collection, avoid coiled tubing crooked or buckle, and the power that coiled tubing injection head applyed on coiled tubing is not lost, make coiled tubing can wash defeated pipe network's distance longer.
SUMMERY OF THE UTILITY MODEL
For providing the continuation safe operation of whole device under guaranteeing all kinds of troubles, and can be to whole operating condition's visual observation control, the utility model provides a 800KN level continuous oil pipe injection head hydraulic control device, its technical scheme is specifically as follows:
the utility model provides a 800KN level continuous oil pipe injection head hydraulic control device, including chassis (1), set up mount (2) and the symmetry on the chassis and set up in the oil pumping pipe both sides, to the chain slips component (3) of the relative centre gripping form of oil pumping pipe formation, its characterized in that still including:
a clamping mechanism, a tensioning mechanism and a traction mechanism,
the fixture includes: a left clamping oil cylinder (4) and a right clamping oil cylinder (5);
the tensioning mechanism comprises: a tensioning oil cylinder (6) and a positioning locking member (7);
the traction mechanism comprises: a traction main motor (8);
the chain slip component (3) is fixed on a chain wheel of a traction main motor (8),
the clamping oil cylinder clamps the chain slip component through the chain pressing plate (9),
the tensioning oil cylinder is connected with the chain slip component.
The 800 KN-level continuous oil pipe injection head hydraulic control device clamps an oil pipe through a left clamping oil cylinder (4) and a right clamping oil cylinder (5), ensures that the oil pumping pipe is in the center of traction through a positioning and locking device of a positioning and locking component (7), and finally controls the speed of putting in or taking out the oil pumping pipe through a traction main motor to complete the control of the oil pumping pipe injection head.
According to the utility model discloses a 800KN level continuous oil pipe injection head hydraulic control device, its characterized in that:
the left clamping oil cylinders (4) are distributed on the left side of the chain slip component at equal intervals;
the right clamping oil cylinders (5) are distributed on the right side of the chain slip component at equal intervals;
the three-point positions formed by the two right clamping oil cylinders (5) and the positioning locking member (7) which are equidistantly distributed on the right side of the chain slip member and the three-point positions formed by the three left clamping oil cylinders (4) which are equidistantly distributed on the left side of the chain slip member are symmetrically arranged.
According to the utility model discloses a 800KN level continuous oil pipe injection head hydraulic control device, its characterized in that:
a positioning sensor and a clamping sensor are arranged on the positioning locking component (7);
a traction force sensor (10) is arranged on the chassis (1).
According to the utility model discloses a 800KN level continuous oil pipe injection head hydraulic control device, its characterized in that:
the left clamping oil cylinder (4), the right clamping oil cylinder (5) and the tensioning oil cylinder (6) are controlled by the same variable pump motor;
an energy storage tank is also connected in parallel on the motor pipeline of the variable pump,
and pressure sensors matched with the energy storage tank are respectively arranged on the left clamping oil cylinder (4) and the right clamping oil cylinder (5).
According to the utility model discloses a 800KN level continuous oil pipe injection head hydraulic control device, its characterized in that:
a standby traction motor is also arranged in parallel on the pipeline provided with the traction main motor (8).
The utility model discloses a 800KN level continuous oil pipe injection head hydraulic control device, on one hand through setting up multiple redundancy, guarantee the continuation safe operation of whole device under all kinds of trouble; the concrete expression is as follows: a standby traction motor is arranged to be connected with a traction main motor (8) in parallel, so that the traction force is continuously, stably and effectively provided when the traction main motor (8) is in fault and loses voltage instantly; the energy storage tank and the matched pressure sensor are arranged, the energy storage tank is connected with the variable pump motor in parallel, and the normal and stable work of the clamping mechanism and the tensioning mechanism under the condition of failure shutdown or power failure of the variable pump motor is guaranteed; on the other hand, the whole device is intelligentized, so that the current clamping force and traction force of the device are in a real-time feedback state, and the whole device is controllable in real time.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a control block diagram of the hydraulic system of the present invention;
in the figure, 1 is a chassis; 2 is a fixed frame; 3 is a chain slip component; 4 is a left clamping oil cylinder; 5 is a right clamping oil cylinder; 6 is a tensioning oil cylinder; 7 is a positioning locking component; 8 is a traction main motor; 9 is a chain pressing plate; and 10 is a traction force sensor.
Detailed Description
Next, the hydraulic control device of the 800 KN-grade continuous oil pipe injection head according to the present invention will be described in further detail with reference to the drawings and the embodiments.
As shown in fig. 1 and 2, the hydraulic control device for the 800 KN-level continuous oil pipe injection head comprises a base frame (1), a fixing frame (2) arranged on the base frame, and chain slip components (3) symmetrically arranged on two sides of the oil pumping pipe and forming opposite clamping shapes for the oil pumping pipe, and further comprises:
a clamping mechanism, a tensioning mechanism and a traction mechanism,
the fixture includes: a left clamping oil cylinder (4) and a right clamping oil cylinder (5);
the tensioning mechanism comprises: a tensioning oil cylinder (6) and a positioning locking member (7);
the traction mechanism comprises: a traction main motor (8);
the chain slip component (3) is fixed on a chain wheel of a traction main motor (8),
the clamping oil cylinder clamps the chain slip component through the chain pressing plate (9),
the tensioning oil cylinder is connected with the chain slip component;
the 800 KN-level continuous oil pipe injection head hydraulic control device clamps an oil pipe through a left clamping oil cylinder (4) and a right clamping oil cylinder (5), ensures that the oil pumping pipe is in the center of traction through a positioning and locking device of a positioning and locking component (7), and finally controls the speed of putting in or taking out the oil pumping pipe through a traction main motor to complete the control of the oil pumping pipe injection head.
Wherein,
the left clamping oil cylinders (4) are distributed on the left side of the chain slip component at equal intervals;
the right clamping oil cylinders (5) are distributed on the right side of the chain slip component at equal intervals;
the three-point positions formed by the two right clamping oil cylinders (5) and the positioning locking member (7) which are equidistantly distributed on the right side of the chain slip member and the three-point positions formed by the three left clamping oil cylinders (4) which are equidistantly distributed on the left side of the chain slip member are symmetrically arranged.
Wherein,
a positioning sensor and a clamping sensor are arranged on the positioning locking component (7);
a traction force sensor (10) is arranged on the chassis (1).
Wherein,
the left clamping oil cylinder (4), the right clamping oil cylinder (5) and the tensioning oil cylinder (6) are controlled by the same variable pump motor;
an energy storage tank is also connected in parallel on the motor pipeline of the variable pump,
and pressure sensors matched with the energy storage tank are respectively arranged on the left clamping oil cylinder (4) and the right clamping oil cylinder (5).
Wherein,
a standby traction motor is also arranged in parallel on the pipeline provided with the traction main motor (8).
Example and operating principle
The hydraulic control device of the 800 KN-grade continuous oil pipe injection head in the embodiment comprises a chain slip component (3), a chain pressing plate (9) and a tensioning oil cylinder (6). Three left clamping oil cylinders (4) arranged on the left side and two right clamping oil cylinders (5) arranged on the right side. And a positioning and locking member (7) for detecting the gripping force and positioning. And two hydraulically driven traction main motors (8) and 4 traction force sensors (10) for detecting the magnitude of traction force.
The chain slip component (3) is fixed on a chain wheel of a hydraulically driven traction main motor (8);
the chain pressing plate (9) is used for clamping the traction chain slip component (3);
one end of the left clamping oil cylinder (4) and one end of the right clamping oil cylinder (5) are fixed on the wall board, and the other end of the left clamping oil cylinder and the right clamping oil cylinder are fixed on the chain pressing plate (9).
One end of the tensioning oil cylinder (6) is fixed on the wall plate, and the other end of the tensioning oil cylinder is connected with the chain slip component (3).
One end of the positioning locking component (7) is fixed on the wall board, and the other end is connected with the chain pressing plate (9).
One end of the traction sensor (10) is fixed on the wall plate, and the other end is connected with the bottom frame.
When the non-metal oil pumping pipe is placed into the injection machine head during working, the variable pump motor M3 starts working, the oil pumping pipe is clamped through the chain slip member by controlling the electromagnetic valve and the clamping oil cylinders 4 and 5, and the tensioning oil cylinder 6 is controlled to work by controlling the electromagnetic valve to tension the chain slip member 3. The positioning locking component 7 works, and the oil pumping pipe is positioned and locked by the positioning sensor to be ensured to be in the center of traction. Then the grip sensor of the positioning locking member 7 detects the grip of the grip cylinder, and if the grip is greater or less than the set value, the system automatically adjusts the variable motor M3 according to the set grip and the feedback grip to increase or decrease the pressure of the grip cylinders 4 and 5, and makes the grip almost equal to the set value through PID adjustment. Two energy storage tanks and two pressure sensors SP1 and SP2 are also arranged in the clamping mechanism and the tensioning mechanism, so that the system can always maintain the gripping force even if the variable pump motor M3 is in failure shutdown or power failure. And then controlling a traction main oil pump motor M2 of the traction motor 8 to start working, simultaneously detecting the magnitude of traction force in real time by a traction force sensor 10, if the traction force is detected to be abnormal, if the traction force is smaller than a set value, pressurizing the traction main oil pump motor M2, and if the traction force is larger than the set value, possibly encountering an obstacle in the well, and maintaining the pressure of the traction motor 8 and braking. Finally, the traction motor 8 drives the chain slip component 3 to put the oil pumping pipe into the oil well or draw the oil pumping pipe out of the oil well (if an accident occurs in the traction process, such as the instant pressure loss caused by the fault of the main oil pump motor M2, the traction force is provided by a set of low-speed standby oil pump motor M1 system connected in parallel, so that the traction main motor control system always keeps stable operation).
The utility model discloses a 800KN level continuous oil pipe injection head hydraulic control device, on one hand through setting up multiple redundancy, guarantee the continuation safe operation of whole device under all kinds of trouble; the concrete expression is as follows: a standby traction motor is arranged to be connected with a traction main motor (8) in parallel, so that the traction force is continuously, stably and effectively provided when the traction main motor (8) is in fault and loses voltage instantly; the energy storage tank and the matched pressure sensor are arranged, the energy storage tank is connected with the variable pump motor in parallel, and the normal and stable work of the clamping mechanism and the tensioning mechanism under the condition of failure shutdown or power failure of the variable pump motor is guaranteed; on the other hand, the whole device is intelligentized, so that the current clamping force and traction force of the device are in a real-time feedback state, and the whole device is controllable in real time.
Claims (5)
1. The utility model provides a 800KN level continuous oil pipe injection head hydraulic control device, including chassis (1), set up mount (2) and the symmetry on the chassis and set up in the oil pumping pipe both sides, to the chain slips component (3) of the relative centre gripping form of oil pumping pipe formation, its characterized in that still including:
a clamping mechanism, a tensioning mechanism and a traction mechanism,
the fixture includes: a left clamping oil cylinder (4) and a right clamping oil cylinder (5);
the tensioning mechanism comprises: a tensioning oil cylinder (6) and a positioning locking member (7);
the traction mechanism comprises: a traction main motor (8);
the chain slip component (3) is fixed on a chain wheel of a traction main motor (8),
the clamping oil cylinder clamps the chain slip component through the chain pressing plate (9),
the tensioning oil cylinder is connected with the chain slip component;
the 800 KN-level continuous oil pipe injection head hydraulic control device clamps an oil pipe through a left clamping oil cylinder (4) and a right clamping oil cylinder (5), ensures that the oil pumping pipe is in the center of traction through a positioning and locking device of a positioning and locking component (7), and finally controls the speed of putting in or taking out the oil pumping pipe through a traction main motor to complete the control of the oil pumping pipe injection head.
2. The hydraulic control device of the 800 KN-grade continuous oil pipe injection head as claimed in claim 1, wherein:
the left clamping oil cylinders (4) are distributed on the left side of the chain slip component at equal intervals;
the right clamping oil cylinders (5) are distributed on the right side of the chain slip component at equal intervals;
the three-point positions formed by the two right clamping oil cylinders (5) and the positioning locking member (7) which are equidistantly distributed on the right side of the chain slip member and the three-point positions formed by the three left clamping oil cylinders (4) which are equidistantly distributed on the left side of the chain slip member are symmetrically arranged.
3. The hydraulic control device of the 800 KN-grade continuous oil pipe injection head as claimed in claim 1, wherein:
a positioning sensor and a clamping sensor are arranged on the positioning locking component (7);
a traction force sensor (10) is arranged on the chassis (1).
4. The hydraulic control device of the 800 KN-grade continuous oil pipe injection head as claimed in claim 1, wherein:
the left clamping oil cylinder (4), the right clamping oil cylinder (5) and the tensioning oil cylinder (6) are controlled by the same variable pump motor;
an energy storage tank is also connected in parallel on the motor pipeline of the variable pump,
and pressure sensors matched with the energy storage tank are respectively arranged on the left clamping oil cylinder (4) and the right clamping oil cylinder (5).
5. The hydraulic control device of the 800 KN-grade continuous oil pipe injection head as claimed in claim 1, wherein:
a standby traction motor is also arranged in parallel on the pipeline provided with the traction main motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137338.2U CN206129758U (en) | 2016-10-19 | 2016-10-19 | 800KN level coiled tubing fill head hydraulic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137338.2U CN206129758U (en) | 2016-10-19 | 2016-10-19 | 800KN level coiled tubing fill head hydraulic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129758U true CN206129758U (en) | 2017-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621137338.2U Active CN206129758U (en) | 2016-10-19 | 2016-10-19 | 800KN level coiled tubing fill head hydraulic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140175A (en) * | 2019-12-31 | 2020-05-12 | 三一石油智能装备有限公司 | Coiled tubing speed control method and system and coiled tubing operation equipment |
| CN116696260A (en) * | 2023-08-09 | 2023-09-05 | 山东高原油气装备有限公司 | Oilfield operation vehicle with dust removal function |
-
2016
- 2016-10-19 CN CN201621137338.2U patent/CN206129758U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140175A (en) * | 2019-12-31 | 2020-05-12 | 三一石油智能装备有限公司 | Coiled tubing speed control method and system and coiled tubing operation equipment |
| CN116696260A (en) * | 2023-08-09 | 2023-09-05 | 山东高原油气装备有限公司 | Oilfield operation vehicle with dust removal function |
| CN116696260B (en) * | 2023-08-09 | 2023-10-20 | 山东高原油气装备有限公司 | Oilfield operation vehicle with dust removal function |
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