CN115822473A - Pipe column hanging clamp structure - Google Patents
Pipe column hanging clamp structure Download PDFInfo
- Publication number
- CN115822473A CN115822473A CN202211581865.2A CN202211581865A CN115822473A CN 115822473 A CN115822473 A CN 115822473A CN 202211581865 A CN202211581865 A CN 202211581865A CN 115822473 A CN115822473 A CN 115822473A
- Authority
- CN
- China
- Prior art keywords
- elevator
- bodies
- annular structure
- sliding
- tubular string
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a pipe column elevator structure, which comprises a plurality of elevator bodies and a telescopic mechanism, wherein the elevator bodies are arranged on the elevator bodies; the plurality of elevator bodies are sequentially connected in series to form an annular structure, and any two adjacent elevator bodies in the annular structure are connected in a sliding manner; the telescopic mechanism is connected with at least two lifting clamp bodies so as to drive and change the aperture of the annular structure; the annular structure comprises four hanging clamp bodies, the periphery of the annular structure is circular, and the interior of the annular structure is square and hollowed; the central angle corresponding to each elevator body is 90 degrees, the telescopic mechanism comprises at least two electromagnets, one end of each electromagnet is an arc-shaped end, and the arc-shaped end is connected with the outside of the elevator body; the other end of the electromagnet is connected with a driving piece, and the driving piece drives the electromagnet to move. The invention does not need any power on the elevator body, and the elevator bodies can be separated or attached under the action of external force to realize the opening and closing of the elevator no matter the elevator rotates to any position around the central axis, and the invention has simple structure and convenient operation.
Description
Technical Field
The invention belongs to the technical field of downhole operation pipe string lifting and lowering equipment, and particularly relates to a pipe string hoisting and clamping structure.
Background
Downhole operations are one of the major components of the oil and gas field production process, where most of the tasks need to be accomplished by raising and lowering the tubular string. The elevator used in the current tubular column lifting operation process mainly has two forms: firstly, the traditional elevator needs to be opened and closed manually; and the other is an automatic elevator driven by hydraulic pressure or electric power. The structure form of the former is difficult to realize remote operation, an operator needs to keep close distance with an elevator and perform high-altitude operation, and the labor intensity and the potential safety hazard are high; the latter results in a complex and heavy elevator structure, requires hydraulic lines or cables, is not only costly, but also requires specialized personnel for maintenance.
In order to reduce the cost, the elevator is suspended in a simplest steel wire rope lifting mode in the process of lifting and lowering the tubular column, and the elevator can rotate around the tubular column and cannot be accurately positioned. If the traditional elevator opening mode is still adopted, the control difficulty and cost are increased for remote operation or automation.
Therefore, there is a need for an unpowered elevator with a simple structure to overcome the drawbacks of the prior art and provide a low-cost key tool for unmanned and automated tripping of a tubular column.
Disclosure of Invention
The invention aims to provide a pipe column elevator structure aiming at the defects in the prior art so as to solve the problems of complex structure and high cost of the existing elevator.
In order to achieve the purpose, the invention adopts the technical scheme that:
a pipe string elevator structure comprises a plurality of elevator bodies and a telescopic mechanism; the plurality of elevator bodies are sequentially connected in series to form an annular structure, and any two adjacent elevator bodies in the annular structure are connected in a sliding manner; the telescopic mechanism is connected with at least two lifting clamp bodies to drive and change the aperture of the annular structure.
Furthermore, the annular structure comprises four elevator bodies, the four elevator bodies form an annular structure, the periphery of the annular structure is circular, and the interior of the annular structure is square and hollowed; the corresponding central angle of each elevator body is 90 degrees.
Furthermore, the lower part of the elevator body is an arc-shaped spherical surface, and the four arc-shaped spherical surfaces are closed to form a hemispherical opening.
Furthermore, two adjacent elevator bodies are connected in a sliding mode through sliding pin shafts.
Furthermore, a fixing hole and a sliding hole are formed in each elevator body, and the fixing hole and the sliding hole are vertical to each other; the fixing hole of one elevator body is fixedly connected with one end of a sliding pin shaft, and the other end of the sliding pin shaft is connected with the sliding hole in a sliding mode.
Further, one end of the sliding pin shaft is a stepped shaft, and the stepped shaft is inserted into the stepped hole to limit the sliding distance between two adjacent elevator bodies.
Furthermore, a binding surface of the elevator body is provided with a magnet mounting hole, and a permanent magnet is mounted in the magnet mounting hole; the permanent magnet adsorbs one binding surface of the adjacent hanging clamp body.
Furthermore, the telescopic mechanism comprises at least two electromagnets, one end of each electromagnet is an arc-shaped end, and the arc-shaped end is connected with the outside of the elevator body; the other end of the electromagnet is connected with a driving piece, and the driving piece drives the electromagnet to move.
Further, the driving member is a hydraulic cylinder, a servo electric cylinder or a pneumatic cylinder.
Furthermore, the electromagnet and the driving piece are connected with a remote upper computer through signals.
The pipe column hoisting clamp structure provided by the invention has the following beneficial effects:
the elevator of the invention does not need to be provided with any power, and the elevator bodies can be separated or attached to realize the opening and closing of the elevator under the action of external force no matter the elevator rotates to any position around the central axis, thus the elevator has simple structure and convenient operation.
The four elevator bodies can slide relatively, and three states of the elevator, namely, the elevator bodies are completely attached, the elevator bodies are completely separated and the elevator bodies are partially separated, are realized through the relative sliding, and are matched with a plurality of different working states of the tubular column.
Drawings
FIG. 1 is a three-dimensional schematic view of the elevator assembly of the present invention with a cutaway view;
FIG. 2 is a plan view of the elevator assembly of the present invention with cross-sectional views;
FIG. 3 is a schematic view of the combination of the elevator body, the sliding pin and the permanent magnet according to the present invention;
FIG. 4 is a diagram illustrating the closed state of the elevator of the present invention;
FIG. 5 is a state diagram of the elevator in an open mode;
figure 6 is a state diagram of another opening mode of the elevator of the present invention.
Figure 7 is a view of the elevator of the present invention in a closed position under symmetrical external force compression.
Fig. 8 is a view of the hanger of the present invention in the open position of fig. 5 under symmetrical tension from an external force.
Fig. 9 is a view of the hanger of the present invention in the open position of fig. 6 under symmetrical tension from an external force.
Fig. 10 is a view showing a state where the elevator of the present invention is separated from an external force after being opened.
Wherein, 1, the elevator body; 2. sliding the pin shaft; 3. a permanent magnet; 4. an electromagnet.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
Example 1
Referring to fig. 1, 2 and 3, the pipe string elevator structure of the present scheme includes a plurality of elevator bodies 1 and a telescopic mechanism, wherein the plurality of elevator bodies 1 are sequentially connected in series to form an annular structure, and the telescopic mechanism can drive the annular structure to change the size in the annular structure so as to match different operation states of the pipe string.
Specifically, any two adjacent elevator bodies 1 in the annular structure are connected in a sliding mode, and the telescopic mechanism is connected with at least two elevator bodies 1 to drive and change the aperture of the annular structure.
As a preferred choice of this embodiment, the annular structure chooses four elevator bodies 1 for use, and four elevator bodies 1 constitute an annular structure, and this annular structure's periphery is circular, and the inside of annular structure is square fretwork form, and when arbitrary elevator body 1 takes place relative slip, square fretwork form structure then changes into polygonal structure.
The central angle corresponding to each elevator body 1 is 90 degrees, and the four elevators form a structure with an outer circle and an inner square.
The lower part of the elevator body 1 is an arc-shaped spherical surface, the four arc-shaped spherical surfaces are closed to form a semi-sphere-shaped opening, and the opening is more matched with the circular shape of the pipe column so as to facilitate the centering of the pipe column.
Two adjacent elevator bodies 1 are connected in a sliding manner through a sliding pin shaft 2, a fixed hole and a sliding hole are formed in each elevator body 1, and the fixed hole and the sliding hole are vertical to each other; a fixing hole of the elevator body 1 is fixedly connected with one end of the sliding pin shaft 2, and the other end of the sliding pin shaft 2 is connected with the sliding hole in a sliding mode.
Besides, one end of the sliding pin shaft 2 is a stepped shaft, and the stepped shaft is inserted into the stepped hole to limit the sliding distance between two adjacent elevator bodies 1, so that the two adjacent elevator bodies 1 can slide relatively but cannot be separated.
A binding surface of the elevator body 1 is provided with a magnet mounting hole, and a permanent magnet is arranged in the magnet mounting hole; the permanent magnet adsorbs a binding surface of the adjacent elevator body 1 to ensure that the elevator body 1 can not be separated within a certain stress range after being bound.
The sliding pin shaft 2 and the permanent magnet 3 can be fixed on the elevator body 1 in a reliable mode such as interference fit, welding, threaded connection, bonding and the like, and relative movement is not generated between the sliding pin shaft and the permanent magnet.
The elevator body 1 of the present embodiment has three operating states: the elevator bodies 1 are completely attached, and the elevator bodies 1 are completely separated; the elevator bodies 1 are divided into two groups, the elevator bodies 1 in each group are attached to each other, and the two groups are separated from each other.
The elevator body 1 can be completely attached and partially or completely separated under the action of external force, and the size of a hollow polygon formed in the elevator body changes along with the attachment. When the space formed by the polygon is larger than the size of the upper step of the tubular column, the elevator is in an open state and can be pulled out along the axial direction of the tubular column; when the space formed by the polygon is smaller than the size of the upper step of the pipe column, the elevator is in a closed state, and the function of suspending the pipe column is realized.
The elevator does not need to be provided with any power, and the elevator bodies 1 can be separated or attached to realize the opening and closing of the elevator under the action of external force no matter the elevator rotates to any position around the central axis.
Referring to fig. 4, when the elevator body 1 is pushed by an external force to be in a closed state, the elevator body 1 is attached to each other, and the permanent magnet 3 embedded on the attachment surface ensures that the elevator body 1 cannot be separated within a certain stress range through the action of a magnetic field.
Under the external force extrusion action of the elevator in any angle centripetal direction, the elevator bodies 1 are finally attached to each other, and under the magnetic attraction of the permanent magnets 3, the elevator is in a closed state. At the moment, the size of a hollow square formed in the elevator is smaller than that of a step formed by the pipe hoop of the pipe column, so that the function of suspending the pipe column is realized.
Referring to fig. 5, under the condition that the elevator is suspended only by using a steel wire rope, the elevator may rotate around the axis of the pipe column, if an external force in the centrifugal direction outside the elevator acts on two adjacent elevator bodies 1 at the same time, the two adjacent elevator bodies 1 do not slide relatively, but can slide relatively with the other two adjacent elevator bodies 1, the sliding distance is reasonably designed according to the size of the pipe column, so that the size of a hollow square formed inside the elevator is larger than that of a step formed by a pipe hoop of the pipe column, and the elevator is in an open state and can be separated from the upper side of the pipe column.
Referring to fig. 6, if the external force in the centrifugal direction outside the elevator is only applied to the non-adjacent elevator bodies 1, the four elevator bodies 1 will slide relatively to each other, so that the size of the hollow square formed inside the elevator is larger than the size of the step formed by the pipe collar of the pipe column, and the elevator is in an open state and can be separated from the upper side of the pipe column.
Example 2
This embodiment provides an external force implementation mode for the elevator, adopts telescopic machanism to drive the elevator promptly, specifically as follows:
the telescopic mechanism comprises at least two electromagnets 4, one end of each electromagnet 4 is an arc-shaped end, the arc-shaped end is connected with the outside of the elevator body 1, the other end of each electromagnet 4 is connected with a driving piece, and the driving pieces drive the electromagnets 4 to move.
The driving piece is pneumatic cylinder, servo electronic jar or pneumatic cylinder, and electro-magnet 4 and driving piece all link to each other with long-range host computer signal, accessible remote control electro-magnet 4 get electric and the drive control of driving piece.
Referring to fig. 7, the external force is generated by a pair of telescopic mechanisms symmetrically arranged around the center of the elevator, and the telescopic mechanisms can be directly driven by a hydraulic cylinder and a servo electric cylinder or can be composed of electric, hydraulic, pneumatic and other power machines matched with other mechanisms capable of realizing telescopic functions. A pair of electromagnets 4 is installed at the head of the telescopic mechanism, when the telescopic mechanism moves towards the center of the elevator in a centripetal manner, the elevator body 1 is extruded and finally attached to each other, and at the moment, the electromagnets 4 are not electrified.
Referring to fig. 8 and 9, when the elevator needs to be opened, the telescopic mechanism firstly moves towards the centripetal direction of the elevator center until the telescopic mechanism is attached to the elevator body 1, the electromagnet 4 is electrified to adsorb the elevator body 1, the telescopic mechanism then moves towards the centrifugal direction, the electromagnetic force is adjusted and set to be slightly larger than the magnetic force of the permanent magnet 3 and the resistance such as the friction force between the elevator body 1 and the sliding pin shaft 2, and then the elevator is pulled.
After the elevator is pulled to the designed distance, the elevator is limited to be further pulled due to the function of the stepped shaft. When the force of the telescopic mechanism moving towards the centrifugal direction of the elevator center is larger than the electromagnetic force, the electromagnet 4 is separated from the elevator. And then, completing the opening function of the elevator.
Specifically, taking the operation under pressure as an example, because the height of the well control equipment combination is higher, the height of the pipe column from the ground is also higher, and if the traditional elevator which is opened and closed manually is used for lifting and placing the pipe column, the high-altitude operation of operators is needed. If a more costly hydraulic or electrically driven automatic elevator is used, a corresponding hoisting system for elevator positioning needs to be provided. By adopting the elevator, the elevator can be suspended in the simplest steel wire rope lifting mode with the lowest cost, and the elevator can be opened and closed only by remotely operating the telescopic mechanisms shown in figures 7, 8, 9 and 10 without operating the elevator at high altitude nearby by operators.
The elevator of the invention does not need to be provided with any power (but can apply external force), and no matter the elevator rotates to any position around the central axis, the elevator bodies 1 can be separated or attached under the action of the external force to realize the opening and closing of the elevator, the structure is simple, and the operation is convenient.
While the embodiments of the invention have been described in detail in connection with the accompanying drawings, it is not intended to limit the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (10)
1. The utility model provides a tubular column elevator structure which characterized in that: comprises a plurality of elevator bodies and a telescopic mechanism; the plurality of the hanging clamp bodies are sequentially connected in series to form an annular structure, and any two adjacent hanging clamp bodies in the annular structure are connected in a sliding manner; the telescopic mechanism is connected with at least two of the lifting clamp bodies so as to drive and change the aperture of the annular structure.
2. The tubular string elevator structure of claim 1, wherein: the annular structure comprises four elevator bodies, the four elevator bodies form an annular structure, the periphery of the annular structure is circular, and the interior of the annular structure is square and hollowed; the central angle corresponding to each hanging clip body is 90 degrees.
3. The tubular string elevator structure of claim 2, wherein: the lower part of the elevator body is an arc-shaped spherical surface, and the four arc-shaped spherical surfaces are closed to form a semi-sphere-shaped opening.
4. The tubular string elevator structure of claim 2, wherein: and the two adjacent lifting clamp bodies are connected in a sliding manner through a sliding pin shaft.
5. The tubular string elevator arrangement of claim 4, wherein: the elevator body is internally provided with a fixed hole and a sliding hole which are vertical to each other; and the other end of the sliding pin shaft is in sliding connection with the sliding hole.
6. The tubular string elevator arrangement of claim 5, wherein: the sliding hole is a stepped hole, one end of the sliding pin shaft is a stepped shaft, and the stepped shaft is inserted into the stepped hole to limit the sliding distance between two adjacent elevator bodies.
7. The tubular string elevator structure of claim 2, wherein: a binding surface of the elevator body is provided with a magnet mounting hole, and a permanent magnet is mounted in the magnet mounting hole; the permanent magnet adsorbs one binding surface of the adjacent hanging clamp body.
8. The tubular string elevator structure of claim 7, wherein: the telescopic mechanism comprises at least two electromagnets, one end of each electromagnet is an arc-shaped end, and the arc-shaped end is connected with the outside of the elevator body; the other end of the electromagnet is connected with a driving piece, and the driving piece drives the electromagnet to move.
9. The tubular string elevator structure of claim 8, wherein: the driving piece is a hydraulic cylinder, a servo electric cylinder or a pneumatic cylinder.
10. The tubular string elevator structure of claim 9, wherein: the electromagnet and the driving piece are connected with a remote upper computer through signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581865.2A CN115822473B (en) | 2022-12-09 | 2022-12-09 | Tubular column elevator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581865.2A CN115822473B (en) | 2022-12-09 | 2022-12-09 | Tubular column elevator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115822473A true CN115822473A (en) | 2023-03-21 |
| CN115822473B CN115822473B (en) | 2023-10-31 |
Family
ID=85546079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211581865.2A Active CN115822473B (en) | 2022-12-09 | 2022-12-09 | Tubular column elevator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115822473B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2085510A (en) * | 1980-10-16 | 1982-04-28 | Gray Emma Dee | Combined well casing spider and elevator |
| CN204677131U (en) * | 2015-04-10 | 2015-09-30 | 中国石油大学(华东) | Motor drives automatic elevator |
| WO2015173572A2 (en) * | 2014-05-14 | 2015-11-19 | Claxton Engineering Services Limited | Tension ring lifting assembly |
| CN205714032U (en) * | 2016-06-21 | 2016-11-23 | 崔斌 | A kind of oil gas field workover treatment with pressure Special-purpose hanger card structure |
| CN106522857A (en) * | 2016-04-12 | 2017-03-22 | 中国石油大学(华东) | Novel hydraulic safety elevator |
| CN206816197U (en) * | 2017-06-26 | 2017-12-29 | 胡忠太 | A kind of elevator apparatus |
| CN109236205A (en) * | 2018-11-19 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of tubing string elevator |
-
2022
- 2022-12-09 CN CN202211581865.2A patent/CN115822473B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2085510A (en) * | 1980-10-16 | 1982-04-28 | Gray Emma Dee | Combined well casing spider and elevator |
| WO2015173572A2 (en) * | 2014-05-14 | 2015-11-19 | Claxton Engineering Services Limited | Tension ring lifting assembly |
| CN204677131U (en) * | 2015-04-10 | 2015-09-30 | 中国石油大学(华东) | Motor drives automatic elevator |
| CN106522857A (en) * | 2016-04-12 | 2017-03-22 | 中国石油大学(华东) | Novel hydraulic safety elevator |
| CN205714032U (en) * | 2016-06-21 | 2016-11-23 | 崔斌 | A kind of oil gas field workover treatment with pressure Special-purpose hanger card structure |
| CN206816197U (en) * | 2017-06-26 | 2017-12-29 | 胡忠太 | A kind of elevator apparatus |
| CN109236205A (en) * | 2018-11-19 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of tubing string elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115822473B (en) | 2023-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4573725A (en) | Remote controlled crane hook coupler | |
| US20080202768A1 (en) | Device for Selective Movement of Well Tools and Also a Method of Using Same | |
| CN202508744U (en) | Lifting appliance with movable balance weight | |
| CN211682115U (en) | Live working manipulator | |
| CN102795538B (en) | Novel long rod sling | |
| CN115822473A (en) | Pipe column hanging clamp structure | |
| CN211648028U (en) | Automatic rotatory elevator that opens and shuts | |
| CN214359829U (en) | Wind-proof pull rod of electric telescopic and rotary lock | |
| CN113184711B (en) | Assembled building accessory hoist and mount protection device | |
| CN112707313B (en) | Wind-proof pull rod of electric telescopic and rotary lock | |
| CN111003634B (en) | Umbrella-shaped hoisting device for hoisting hollow cylinder in subway construction | |
| CN112627751A (en) | Hydraulic clasp short-circuit assembly for engineering drilling machine | |
| CN107253665A (en) | A kind of shackle hook electromagnetic locator | |
| CN107521297A (en) | A kind of automatic traction device | |
| CN220664713U (en) | Auxiliary supporting device for truck crane | |
| CN112196480A (en) | Open type elevator suitable for various pipe diameter specifications | |
| CN211788759U (en) | Pull switch | |
| CN215946509U (en) | Electric hoisting point mechanism of PC prefabricated part hoisting machine | |
| CN218427831U (en) | Speed reducer bracket | |
| CN202517243U (en) | Engine cover installation device | |
| CN220251991U (en) | High-altitude wiring device for high-voltage test | |
| CN220155763U (en) | Debugging and overhauling device for power transmission and transformation engineering | |
| CN218563604U (en) | Power slip for clamping double-step drill rod | |
| CN218810022U (en) | Hoisting device for photovoltaic module mounting equipment and mounting equipment for photovoltaic module | |
| CN219189248U (en) | Underwater continuous hydraulic grabbing beam pin pulling and releasing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |