CN112031678A - Elevator for well repair - Google Patents
Elevator for well repair Download PDFInfo
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- CN112031678A CN112031678A CN201910478554.5A CN201910478554A CN112031678A CN 112031678 A CN112031678 A CN 112031678A CN 201910478554 A CN201910478554 A CN 201910478554A CN 112031678 A CN112031678 A CN 112031678A
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- 238000001514 detection method Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 6
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- 230000009286 beneficial effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
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- Types And Forms Of Lifts (AREA)
Abstract
The utility model provides a hoist for workover, includes device main part, triggers feedback electrical control unit, automatic control valve, valve power cylinder, power safety mechanism power cylinder, valve and power safety mechanism, set up in the device main part and suspend the chamber in midair, trigger feedback electrical control unit set up in inside the device main part, trigger feedback electrical control unit with the automatic control valve is connected, the automatic control valve still with the valve power cylinder the power safety mechanism power cylinder is connected, the valve power cylinder with the valve drive is connected, power safety mechanism power cylinder with power safety mechanism drive is connected, the valve with power safety mechanism pass through the rotatable setting of pivot in the device main part. The elevator can realize automatic locking and automatic unlocking of the power safety mechanism through the matching arrangement of the adjusting piece and the mechanical safety pin, and realizes the triggering function of the triggering feedback electric control unit which can adapt to tubular columns with different pipe diameters through the arrangement of the locking mechanism.
Description
Technical Field
The invention relates to the field of well repairing wellhead equipment, in particular to an elevator for suspending pipe columns such as drill rods, oil pipes and casings.
Background
The proportion of workover at present in China is getting bigger and bigger, and the economic benefit and the social benefit of each well are also related to workover wellhead equipment, namely a component of a workover elevator. However, most of the conventional well-repairing elevators are manual elevators, so that the labor intensity of field operation is high, in addition, the safety of the power safety mechanism is single, the elevator is easily opened accidentally in the suspension structure in work due to misoperation, the personal safety and the property safety are greatly threatened, and in addition, the elevator has certain limitation on the applicability of the multi-pipe-diameter pipe column due to the fact that the pipe column has various pipe diameters.
Therefore, effective innovation of the prior art is needed to address the above drawbacks.
Disclosure of Invention
The invention aims to provide a well repairing elevator which can realize automatic locking and automatic unlocking of a power safety mechanism through the matching arrangement of a regulating piece and a mechanical safety pin, is also provided with a manual safety mechanism so as to further improve the safety performance of the power safety mechanism, and realizes that a trigger feedback electric control unit can be suitable for tubular columns with different pipe diameters to realize a trigger function through arranging a locking mechanism.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hanging clamp for well repair comprises a device main body, a triggering feedback electric control unit, an automatic control valve, a valve power cylinder, a power safety mechanism power cylinder, a valve and a power safety mechanism, wherein a suspension cavity for suspending a pipe column is arranged on the device main body, the triggering feedback electric control unit is arranged in the device main body and can extend into the suspension cavity in an adjustable mode through a locking mechanism, the triggering feedback electric control unit is connected with the automatic control valve, the automatic control valve is also connected with the valve power cylinder and the power safety mechanism power cylinder, the valve power cylinder is in driving connection with the valve, the power safety mechanism power cylinder is in driving connection with the power safety mechanism, the valve and the power safety mechanism are rotatably arranged on the device main body through shaft pins, the valve and the suspension cavity in the buckling state form a complete suspension structure;
correspondingly, the locking mechanism is arranged in the wall of the suspension cavity and comprises a clamping block and a locking bolt, the clamping block is of an opening arc structure, corresponding pore channels are arranged on the arc structures at the two sides of the opening, the locking bolt is arranged in the pore channels, and the clamping block is adjusted to be opened or closed through the tightness of the locking bolt, so that the releasing and clamping effects on the trigger feedback electric control unit are realized;
correspondingly, a first lining is fixedly arranged on the device main body corresponding to the suspension cavity through a fastening piece, a second lining matched with the first lining is arranged on the valve in a vertically adjustable mode through an adjusting piece, and pipe columns with different pipe diameters are suspended by replacing the first lining and the second lining;
correspondingly, the adjusting part comprises a connecting part, a sliding block and a spring, the connecting part connects the second lining with the valve with a gap, the gap is the adjusting height of the second lining which can be adjusted up and down, the sliding block which can slide up and down along the connecting part is arranged on the connecting part, and the spring is sleeved on the connecting part below the sliding block; under the action of the spring force, the sliding block abuts against the lower side of the second lining, when the pipe column is inserted into the suspension cavity, the second lining is subjected to downward friction force, downward pressure is formed on the sliding block, when the pressure is greater than the spring force, the sliding block slides downwards along the connecting piece until the pressure applied to the sliding block is removed or is less than the spring force, and under the action of the spring force, the sliding block is pushed upwards again until abutting against the lower side of the second lining;
correspondingly, the second lining is provided with an extension section, a mechanical safety pin is vertically and downwards arranged on the extension section, a through hole corresponding to the mechanical safety pin is arranged on the valve, the mechanical safety pin is inserted into the through hole, a hole groove corresponding to the mechanical safety pin is arranged on the power safety mechanism, when the pipe column is inserted into the suspension cavity, the second lining moves downwards to drive the mechanical safety pin to penetrate through the through hole and be inserted into the hole groove, and then the power safety mechanism is locked through the mechanical safety pin, so that the power safety mechanism is prevented from being accidentally opened due to misoperation;
correspondingly, the elevator also comprises a manual safety mechanism, the manual safety mechanism comprises a connecting hole and a stop lever, the valve is provided with the corresponding connecting hole, the stop lever penetrates through the connecting hole, and the manual safety mechanism is stopped at the outer side of the power safety mechanism and can further prevent the power safety mechanism from being opened by rotation;
correspondingly, the elevator further comprises a circuit detection system, the circuit detection system is a detection circuit provided with a proximity switch, when the proximity switch senses that the power safety mechanism enters a sensing area of the proximity switch, the proximity switch acts, the detection circuit is switched on, and a signal indicating that the power safety mechanism is closed is sent.
The invention has the beneficial effects that:
1) the locking mechanism and the trigger feedback electric control unit are arranged, when the locking mechanism is loosened, the locking position of the trigger feedback electric control unit can be adjusted, the mounting position of the trigger feedback electric control unit is adjusted, the tubular columns with different pipe diameters inserted into the suspension structure are further adapted, the trigger feedback electric control function can automatically trigger the opening and closing function, the traditional and laborious manual opening and closing are replaced, the labor intensity of workers is reduced, and the well repairing operation efficiency is improved;
2) the first lining and the second lining are arranged, so that the suspension structure can adapt to pipe columns with different pipe diameters, and the applicability of the elevator is improved;
3) through the matching arrangement of the adjusting piece and the mechanical safety pin, after the pipe column is inserted into the suspension structure, the mechanical self-locking of the power safety mechanism is realized by the mechanical safety pin, the accidental opening caused by misoperation is prevented, after the pipe column is taken out of the suspension structure, the mechanical safety pin is moved out of the hole groove under the recovery adjustment of the adjusting piece, the mechanical self-locking of the power safety mechanism is released, and therefore the safety of the power safety mechanism is improved;
4) the manual safety mechanism is arranged and is blocked outside the power safety mechanism through manual arrangement, so that the power safety mechanism is ensured to be in a locking position and cannot rotate, and the safety of the power safety mechanism is further ensured;
5) and a circuit detection system is arranged to intelligently detect the locking in-place condition of the power insurance mechanism so as to realize intelligent control.
Drawings
FIG. 1 is a schematic diagram of a well intervention elevator according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken from the top of FIG. 1;
FIG. 3 is a schematic cross-sectional view in side view from the left side of FIG. 1;
FIG. 4 is a schematic front view of the locking mechanism;
in the figure:
1. a device main body; 11. a suspension chamber; 12. a first liner;
21. triggering a feedback electric control unit; 22. a locking mechanism; 23. a clamping block; 24. locking the bolt;
3. an automatic control valve;
41. a valve power cylinder; 42. a shutter;
51. a second liner; 52. a connecting member; 53. a slider; 54. a spring; 55. an extension section; 56. a mechanical safety pin;
61. a power cylinder of the power safety mechanism; 62. a power safety mechanism; 63. a hole groove;
7. a shaft pin;
8. a manual safety mechanism;
9. a circuit detection system.
Detailed Description
As shown in fig. 1 to 3, in one embodiment of the present invention, the workover elevator includes an apparatus body 1, a trigger feedback electronic control unit 21, an automatic control valve 3, a shutter cylinder 41, a power fuse cylinder 61, a shutter 42, a power fuse 62, a manual fuse 8, and a circuit detection system 9;
the device comprises a device body 1, a triggering feedback electric control unit 21, a clamping block 23 and a locking bolt 24, wherein the device body 1 is provided with a suspension cavity 11 for suspending a pipe column, the triggering feedback electric control unit 21 is arranged in the device body 1, the triggering feedback electric control unit 21 can adjustably extend into the suspension cavity 11 through the locking mechanism 22, the locking mechanism 22 is arranged in the cavity wall of the suspension cavity 11, as shown in fig. 4, the clamping block 23 is of an opening arc structure, the arc structures at two sides of the opening are provided with corresponding pore channels, and the locking bolt 24 is arranged in the pore channels;
the triggering feedback electric control unit 21 is connected with the automatic control valve 3, the automatic control valve 3 is also connected with a valve power cylinder 41 and a power safety mechanism power cylinder 61, the valve power cylinder 41 is in driving connection with the valve 42, the power safety mechanism power cylinder 61 is in driving connection with the power safety mechanism 62, the valve 42 and the power safety mechanism 62 are rotatably arranged on the device main body 1 through a shaft pin 7, and the valve 42 in a buckling state and the suspension cavity 11 form a complete suspension structure;
fixedly arranging a first inner liner 12 on the device body 1 corresponding to the suspension cavity 11 through a fastener, arranging a second inner liner 51 matched with the first inner liner 12 on the valve 42, and suspending pipe columns with different pipe diameters by replacing the first inner liner 12 and the second inner liner 51;
the second liner 51 is arranged on the valve 42 in a vertically adjustable manner through an adjusting part, wherein the adjusting part comprises a connecting part 52, a sliding block 53 and a spring 54, the connecting part 52 connects the second liner 51 and the valve 42 with a gap, the gap is the adjusting height of the second liner 51 which can be adjusted vertically, the connecting part 52 is provided with the sliding block 53 which can slide vertically along the connecting part 52, and the spring 54 is sleeved on the connecting part 52 below the sliding block 53;
in addition, the second liner 51 is further provided with an extension section 55, a mechanical safety pin 56 is vertically and downwardly arranged on the extension section 55, a through hole corresponding to the mechanical safety pin 56 is arranged on the valve 42, the mechanical safety pin 56 is inserted into the through hole, and a hole groove 63 corresponding to the mechanical safety pin 56 is arranged on the dynamic safety mechanism 62;
the manual safety mechanism 8 comprises a connecting hole and a stop lever, the valve 42 is provided with a corresponding connecting hole, and the stop lever is arranged in the connecting hole in a penetrating way; the circuit detection system 9 is a detection circuit provided with a proximity switch.
According to the elevator structure for well repair of the embodiment, the following embodiments can be obtained:
according to the pipe diameter of the pipe column, a first lining 12 and a second lining 51 are respectively arranged on the device main body 1 and the valve 42, the mounting position of the trigger feedback electronic control unit 21 is adjusted by adjusting the locking mechanism 22, specifically, the locking bolt 24 is loosened, the clamping block 23 is opened, the mounting position of the trigger feedback electronic control unit 21 is adjusted, after the adjustment is completed, the locking bolt 24 is screwed, and the clamping block 23 can be clamped to the trigger feedback electronic control unit 21.
When the pipe column enters the suspension cavity 11, the triggering feedback electronic control unit 21 sends a triggering feedback signal, under the control of the automatic control valve 3, the valve 42 rotates around the shaft pin 7 to implement buckling under the driving of the valve power cylinder 41, and the power safety mechanism 62 rotates around the shaft pin 7 to lock the valve 42 under the driving of the power safety mechanism power cylinder 61. When the circuit detection system 9 detects that the power safety mechanism 62 is in place, a signal indicating that the power safety mechanism 62 is closed is given, and meanwhile, the second liner 51 slides down under the action of the pipe column to abut against the upper side of the valve 42, so as to drive the mechanical safety pin 56 arranged on the extension section 55 to move down until the mechanical safety pin extends into the hole groove 63 of the power safety mechanism 62, so that the power safety mechanism 62 is automatically locked, and in order to further ensure the safety of the power safety mechanism 62, a stop lever can be manually inserted into the connecting hole to prevent the power safety mechanism 62 from rotating.
After the pipe column is taken out from the suspension cavity 11, under the action of the elastic force of the spring 54, the slide block 53 is pushed to slide upwards again, the slide block 53 pushes the second lining 51 to move upwards again, then the mechanical safety pin 56 is driven to move upwards, the mechanical safety pin 56 is pulled out from the hole groove 63, the power safety mechanism 62 is not locked any more, the manual safety mechanism 8 can be taken down manually, finally, the power safety mechanism 62 is driven by the power safety mechanism power cylinder 61 to release the locking state of the valve 42, the valve 42 is driven by the valve power cylinder 41 to be opened, and the next round of buckling can be carried out.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a hoist clamp for workover, includes device main part, triggers the automatically controlled unit of feedback, automatic control valve, valve power cylinder, power safety mechanism power cylinder, valve and power safety mechanism, its characterized in that: the device is characterized in that a suspension cavity for suspending a pipe column is formed in the device body, the triggering feedback electric control unit is arranged in the device body, the triggering feedback electric control unit can stretch out of the suspension cavity in an adjustable mode through a locking mechanism, the triggering feedback electric control unit is connected with the automatic control valve, the automatic control valve is connected with the valve power cylinder and the power safety mechanism power cylinder, the valve power cylinder is connected with the valve in a driving mode, the power safety mechanism power cylinder is connected with the power safety mechanism in a driving mode, the valve and the power safety mechanism are arranged on the device body in a rotatable mode through shaft pins and are in a buckling state, and the valve and the suspension cavity form a complete suspension structure.
2. A workover elevator according to claim 1, wherein: the locking mechanism is arranged in the wall of the suspension cavity and comprises a clamping block and a locking bolt, the clamping block is of an opening arc structure, corresponding pore channels are arranged on the arc structures on the two sides of the opening, and the locking bolt is arranged in the pore channels.
3. A workover elevator according to claim 1, wherein: the device comprises a device body, a valve, a hanging cavity, a first lining, a second lining, a regulating piece and a fixing piece, wherein the device body corresponding to the hanging cavity is fixedly provided with the first lining through the fixing piece, and the valve is provided with the second lining matched with the first lining in an up-and-down adjustable mode through the regulating piece.
4. A workover elevator according to claim 3, wherein: the adjusting piece comprises a connecting piece, a sliding block and a spring, the connecting piece connects the second lining with the valve in a clearance mode, the clearance is the adjusting height of the second lining which can be adjusted up and down, the sliding block which can slide up and down along the connecting piece is arranged on the connecting piece, and the spring is sleeved on the connecting piece below the sliding block.
5. A workover elevator according to claim 3, wherein: the second lining is provided with an extension section, a mechanical safety pin is vertically and downwards arranged on the extension section, a through hole corresponding to the mechanical safety pin is formed in the valve, the mechanical safety pin is inserted into the through hole, and a hole groove corresponding to the mechanical safety pin is formed in the power safety mechanism.
6. A workover elevator according to claim 1, wherein: the elevator further comprises a manual safety mechanism, the manual safety mechanism comprises a connecting hole and a stop lever, the valve is provided with the corresponding connecting hole, and the stop lever penetrates through the connecting hole.
7. A workover elevator according to claim 1, wherein: the elevator also comprises a circuit detection system which is a detection circuit provided with a proximity switch and used for sending a signal indicating that the power safety mechanism is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478554.5A CN112031678A (en) | 2019-06-03 | 2019-06-03 | Elevator for well repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478554.5A CN112031678A (en) | 2019-06-03 | 2019-06-03 | Elevator for well repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112031678A true CN112031678A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910478554.5A Pending CN112031678A (en) | 2019-06-03 | 2019-06-03 | Elevator for well repair |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003154A (en) * | 2011-01-06 | 2011-04-06 | 江苏如东通用机械有限公司 | Lining type top drive elevator |
| CN201865600U (en) * | 2010-11-18 | 2011-06-15 | 江苏如东通用机械有限公司 | Novel hydraulic elevator |
| CN104074482A (en) * | 2014-06-13 | 2014-10-01 | 江苏如通石油机械股份有限公司 | Elevator spider |
| CN206668177U (en) * | 2017-03-24 | 2017-11-24 | 黄山市汇润机械有限公司 | A kind of hydraulic elevator locking mechanism |
| CN207110999U (en) * | 2017-08-15 | 2018-03-16 | 中石化石油工程技术服务有限公司 | Hydraulic elevator load secure mechanical is locked |
| CN210152571U (en) * | 2019-06-03 | 2020-03-17 | 江苏如通石油机械股份有限公司 | Elevator for well repair |
-
2019
- 2019-06-03 CN CN201910478554.5A patent/CN112031678A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201865600U (en) * | 2010-11-18 | 2011-06-15 | 江苏如东通用机械有限公司 | Novel hydraulic elevator |
| CN102003154A (en) * | 2011-01-06 | 2011-04-06 | 江苏如东通用机械有限公司 | Lining type top drive elevator |
| CN104074482A (en) * | 2014-06-13 | 2014-10-01 | 江苏如通石油机械股份有限公司 | Elevator spider |
| CN206668177U (en) * | 2017-03-24 | 2017-11-24 | 黄山市汇润机械有限公司 | A kind of hydraulic elevator locking mechanism |
| CN207110999U (en) * | 2017-08-15 | 2018-03-16 | 中石化石油工程技术服务有限公司 | Hydraulic elevator load secure mechanical is locked |
| CN210152571U (en) * | 2019-06-03 | 2020-03-17 | 江苏如通石油机械股份有限公司 | Elevator for well repair |
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