CN114453670A - Device is maintained to production tree seal structure - Google Patents
Device is maintained to production tree seal structure Download PDFInfo
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- CN114453670A CN114453670A CN202111222798.0A CN202111222798A CN114453670A CN 114453670 A CN114453670 A CN 114453670A CN 202111222798 A CN202111222798 A CN 202111222798A CN 114453670 A CN114453670 A CN 114453670A
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- ring
- base body
- shaped
- taking
- christmas tree
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- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000012856 packing Methods 0.000 claims abstract description 60
- 241000191291 Abies alba Species 0.000 claims abstract description 35
- 238000012423 maintenance Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 13
- 239000003921 oil Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 230000009975 flexible effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 208000007101 Muscle Cramp Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a maintenance device for a sealing structure of a Christmas tree, which specifically comprises: the fixed base is provided with a vertically arranged telescopic driving mechanism; the lock hoop is fixedly connected with the fixed base; the connecting piece is connected to the output end of the telescopic driving mechanism; the taking-out tool is provided with a ring-shaped taking-out base body which extends up and down, the ring-shaped taking-out base body is used for being rotatably arranged on the connecting piece around a vertical axis, the middle part of the ring-shaped taking-out base body is used for the light rod to pass through, the lower end of the ring-shaped taking-out base body is provided with a rotary cutter head, and the upper end of the ring-shaped taking-out base body is provided with a rotary operation part; the pressing tool is provided with a ring-shaped pressing base body which extends up and down, the ring-shaped pressing base body is fixedly connected to the connecting piece, and the ring surface of the lower end of the ring-shaped pressing base body is used for pressing the packing. The Christmas tree sealing structure maintenance device is provided with at least one of a taking-out tool and a press-fitting tool, can conveniently realize the disassembly of an old packing and the press-fitting of a new packing as required, and has stronger practicability.
Description
Technical Field
The invention relates to a maintenance device for a sealing structure of a Christmas tree.
Background
In the oil field production process, the oil pumping unit drives the polish rod which vertically penetrates through the Christmas tree to continuously pump up and down, and in order to prevent crude oil from leaking from the Christmas tree when the polish rod pumps up and down, sealing structures which are in sliding sealing with the polish rod are arranged on the Christmas tree. The sealing structure comprises a packing box and a packing arranged in the packing box, wherein the packing is filled in an annular space between the polish rod and the sealing box, and the sealing is ensured when the polish rod reciprocates up and down relative to the packing box.
The traditional method for replacing the packing is that an operator uses a screw driver or a hook to pull out the worn packing little by little from the annular space between the polish rod and the packing box, and then takes a punch and a hammer to pound a new packing into the annular space. However, the dismounting and mounting mode of the packing is very inconvenient, especially when thick oil is extracted, under the condition of lower environmental temperature, the viscosity of the thick oil is higher, the packing is tightly solidified in the annular space, and the process of digging the packing wastes time and energy. Moreover, because the annular space between the polish rod and the packing box is narrow, when a new packing is filled through the punch and the hammer, the polish rod or the hand of a person is easily hit, and the polish rod is damaged and the person is injured.
Disclosure of Invention
The invention aims to provide a Christmas tree sealing structure maintenance device which is used for solving the problem that the existing Christmas tree sealing packing is inconvenient to disassemble and assemble.
The invention discloses a Christmas tree sealing structure maintenance device, which comprises a fixed base, wherein a vertically arranged telescopic driving mechanism is arranged on the fixed base, a lock hoop is fixedly connected onto the fixed base and used for hooping the outer side of a packing box, a connecting piece is connected onto the output end of the telescopic driving mechanism, the Christmas tree sealing structure maintenance device also comprises a construction tool, the construction tool comprises a taking-out tool and/or a press-fitting tool, the taking-out tool is provided with a ring-shaped taking-out base body which extends up and down, the ring-shaped taking-out base body is used for being rotatably arranged on the connecting piece around a vertical axis, a light rod passes through the middle part of the ring-shaped taking-out base body, the lower end of the ring-shaped taking-out base body is provided with a rotary cutter head, the upper end of the ring-shaped taking-out base body is provided with a rotary operating part, the press-fitting tool is provided with a ring-shaped press-fitting base body which extends up and is used for being fixedly connected onto the connecting piece, the ring surface of the lower end of the ring-shaped press-fitting base body is used for pressing the packing.
The Christmas tree sealing structure maintenance device is provided with at least one of a taking-out tool and a press-fitting tool, can realize the disassembly of an old packing and the press-fitting of a new packing as required, and has stronger practicability. When the old packing is taken out, the taking-out tool on the connecting piece is sleeved on the outer side of the polished rod, the taking-out tool is moved downwards while the taking-out tool is rotated by the rotary operation part, the rotary cutter head can cut the old packing spirally, and after the cutting is finished, the taking-out tool is driven to move upwards by the telescopic driving mechanism, so that the old packing cut into strips can be taken out from an annular space between the packing box and the polished rod; when a new packing is pressed, the pressing tool on the connecting piece is sleeved on the outer side of the polished rod, the pressing tool is driven to move downwards through the telescopic driving mechanism, and the new packing can be pressed in an annular space between the packing box and the polished rod through the lower end annular surface of the pressing tool. In the whole process, the packing is assembled and disassembled more conveniently in a labor-saving way.
Further, flexible actuating mechanism includes manual hydraulic pump, oil tank and pneumatic cylinder, and the vertical extension of pneumatic cylinder, the cylinder body and the unable adjustment base fixed connection of pneumatic cylinder, the cylinder body of pneumatic cylinder is upwards stretched out to the piston rod of pneumatic cylinder, and the connecting piece is installed in the upper end of piston rod. The telescopic driving mechanism adopts a hydraulic driving mechanism, can provide larger driving force, and has higher reliability in the whole dismounting process. And the manual pump is adopted to realize the expansion of the hydraulic cylinder, and the electric energy is not needed, thereby providing great convenience for the maintenance of field oil well equipment.
Furthermore, the manual hydraulic pump is arranged on the outer side, back to the lock hoop, of the fixed base, and operation of personnel is facilitated.
Furthermore, the hydraulic cylinder is a dual-purpose hydraulic cylinder, so that driving force can be provided in the press fitting and taking-out processes, and the labor intensity is reduced.
Furthermore, the inner peripheral surface of the hoop of the lock hoop is provided with an anti-slip structure for increasing the friction force when the packing box is held tightly. Therefore, the sliding of the fixed base when the telescopic driving mechanism outputs can be avoided, and the construction reliability is improved.
Furthermore, the connecting piece rotates around the vertical axis and is installed on the output end of the telescopic driving mechanism, and the connecting piece and the output end of the telescopic driving mechanism are axially fixed relatively. Therefore, the position of the connecting piece and the extracting tool or the press-fitting tool connected with the connecting piece relative to the polish rod can be conveniently adjusted, and the convenience in use is improved.
Further, the connecting piece includes the clamp, is equipped with the draw-in groove on the ring cover form takes out the base member and the ring cover form pressure equipment base member respectively, and the clamp cramps and realizes that the ring cover form takes out the base member and ring cover form pressure equipment base member and connecting piece are connected in the draw-in groove. This kind of connected mode easy dismounting can change as required and take out instrument and pressure equipment instrument, improves the convenience of using.
Furthermore, the inner holes of the ring-shaped taking-out base body and the ring-shaped pressing base body are matched with the outer peripheral surface of the polished rod, so that the taking-out tool can rotate around the polished rod, and the rotary cutter head can reliably cut.
Furthermore, the lower end of the ring-shaped taking-out base body is provided with a downward extending overhanging arm, and the rotary cutter head is arranged at the lower end of the overhanging arm. Therefore, the rotary cutter head and the ring sleeve-shaped taking-out base body have a larger vertical space, and can accommodate the rotary-cut packing strips, so that continuous rotary cutting is convenient to realize.
Further, the connecting piece includes the clamp, and the ring cover form is taken out and is equipped with the draw-in groove on the base member, cramps through the clamp and realizes that the ring cover form takes out being connected of base member and connecting piece in the draw-in groove, rotatory operation portion is in the top of draw-in groove. Thus, the tool can be conveniently taken out by maintenance personnel in a rotating way, and the convenience of operation is improved.
Drawings
FIG. 1 is a schematic illustration of a Christmas tree seal maintenance apparatus of the present invention in use;
FIG. 2 is a schematic structural diagram of a driving part in a first embodiment of the Christmas tree sealing structure maintenance device of the invention;
FIG. 3 is a schematic view of a tool for removing a tool in a first embodiment of the Christmas tree seal maintenance device of the present invention;
fig. 4 is a schematic structural diagram of a press-fitting tool in an embodiment of the device for maintaining a christmas tree sealing structure according to the present invention.
In the figure: 1. a locking band; 2. a fixed base; 30. a cylinder body; 31. a piston rod; 32. a manual pump; 33. an oil tank; 4. a stopping disc; 5. a connecting member; 6. taking out the substrate in a ring shape; 60. taking out the substrate clamping groove; 61. an outer hexagonal structure; 62. a cantilever arm; 63. a rotary cutter head; 7. pressing the base body in a ring sleeve shape; 70. pressing a base body clamping groove; 8. a packing box; 9. a Christmas tree.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The first specific embodiment of the device for maintaining the Christmas tree sealing structure comprises the following steps:
the christmas tree seal structure maintenance device of the present embodiment includes a driving portion and a work tool, as shown in fig. 1 to 4. Wherein, including unable adjustment base 2 in the drive division, unable adjustment base 2's side fixedly connected with lock hoop 1. The lock hoop 1 comprises two semicircular hoops, the fixing base 2 is fixedly connected to one of the semicircular hoops, one ends of the two semicircular hoops are hinged to each other, and the other ends of the two semicircular hoops are respectively provided with a locking structure capable of being matched with each other. The lock hoop 1 is used for encircling the outside of the packing box 8 on the Christmas tree 9, and can be tightly embraced in the outside of the packing box 8 through a locking structure and is kept fixed with the packing box 8. In this embodiment, in order to guarantee that the lock hoop 1 can not slide relative to the packing box 8 after hugging the packing box 8 tightly, the medial surface of two semicircular hoops of lock hoop 1 is equipped with anti-skidding structure, specifically is the annular burr that the cross-section is triangle-shaped. Of course, in other embodiments, the anti-slip structure may be a frosted structure or a wear-resistant rubber.
The side fixed mounting has flexible actuating mechanism on unable adjustment base 2, and flexible actuating mechanism vertically extends and can export flexible action on vertical. Specifically, in this embodiment, the telescopic driving structure is a hydraulic driving mechanism, and includes a manual hydraulic pump, an oil tank 33 and a hydraulic cylinder, the hydraulic cylinder extends vertically, the cylinder body 30 of the hydraulic cylinder is fixedly connected with the fixed base 2, the cylinder body 30 of the hydraulic cylinder extends upwards from the piston rod 31 of the hydraulic cylinder, and the connecting member 5 is installed at the upper end of the piston rod 31. The hydraulic cylinder is a double-acting hydraulic cylinder and can output motion in the upper direction and the lower direction. The manual hydraulic pump is arranged on the outer side, back to the lock hoop 1, of the fixed base 2, and is convenient for operation of personnel.
The upper end of the piston rod 31 is provided with an end disc body, and the middle part of the end disc body is provided with a threaded hole. The end disc body is connected with a stopping disc 4, the stopping disc 4 comprises a disc body part and a connecting stud in the middle of the disc body part, and after the connecting stud is in threaded connection with the threaded hole, a gap is formed between the disc body part of the stopping disc 4 and the end disc body. The connecting piece 5 comprises a main ring body part which is rotatably sleeved on the connecting stud and is limited by the end disc body and the stopping disc 4 in the up-down direction. The connecting piece 5 further comprises a clamp on the side of the main ring body part, which is used for connecting a construction tool.
The construction tool of the Christmas tree sealing structure maintenance device comprises a taking-out tool for taking out an old packing and a press-fitting tool for press-fitting a new packing. The structure of the removal tool is shown in fig. 3, and the press-fitting tool is shown in fig. 4.
Referring to fig. 3, the removing tool includes a ring-shaped removing base 6 extending vertically, the ring-shaped removing base 6 has a central hole in the middle thereof, the central hole is adapted to the polish rod and is penetrated by the polish rod, the lower end of the ring-shaped removing base 6 has a downwardly extending overhanging arm 62, the lower end of the overhanging arm 62 is connected to a rotary cutter head 63, and the rotary cutter head 63 is spiral and axially overlaps with the ring-shaped removing base 6. The outer peripheral surface of the ring-shaped taking-out base body 6 is also provided with a clamping groove, and a hoop of the connecting piece 5 is hooped in the clamping groove, so that the connecting piece 5 is reliably connected with a taking-out tool. Further, the upper end of the collar-like take-out base 6 has a rotation operation portion for allowing a maintenance worker to rotate the take-out tool. Specifically, in this embodiment, the rotation operation portion is an external hexagonal structure 61, which facilitates rotation in cooperation with a wrench.
As shown in fig. 4, the press-fitting tool includes a ring-shaped press-fitting base 7 extending vertically, a central hole is formed in the middle of the ring-shaped press-fitting base 7, the central hole is also adapted to the polish rod and allows the polish rod to pass through, the wall thickness of the ring-shaped press-fitting base 7 is smaller than or equal to the distance between the outer peripheral surface of the polish rod and the inner peripheral surface of the packing box 8, and the lower end surface of the ring-shaped press-fitting base 7 is used for pressing a new packing filled in an annular space between the polish rod and the packing box 8.
When the Christmas tree sealing structure maintenance device introduced above is used for taking out an old packing, a taking-out tool is connected to a connecting piece 5 through a clamp and is locked and fixed on the outer peripheral surface of a packing box 8 through a lock hoop 1, the connecting piece 5 is rotated to enable a central hole of the taking-out tool to be opposite to a polish rod up and down, then a manual pump 32 is operated to enable a piston rod 31 of a hydraulic cylinder to retract so as to enable a rotary cutter head 63 to extend into an annular space between the polish rod and the packing box 8, then the manual pump 32 is continuously operated to enable the piston rod 31 of the hydraulic cylinder to retract, meanwhile, a wrench is used for rotating the taking-out tool, the taking-out tool stably rotates around the polish rod through the rotary matching of the central hole and the polish rod, at the moment, the rotary cutter head 63 can smoothly rotate the old packing in the annular space in a rotary cutting way, after the rotary cutting is completed, an oil way of the hydraulic cylinder is switched, the manual pump 32 is operated to enable the taking-out tool to be taken out from the annular space, the old packing is taken out in the process, and the old packing is disassembled.
When a new packing is pressed and installed, the pressing and installing tool is connected to the connecting piece 5 through a clamping hoop and is locked and fixed on the outer peripheral surface of the packing box 8 through the locking hoop 1, the connecting piece 5 is rotated to enable the center hole of the pressing and installing tool to be vertically opposite to the polish rod, the packing is spirally wound on the outer surface of the polish rod in an tight mode, then the manual pump 32 is operated to enable the piston rod 31 of the hydraulic cylinder to retract, the lower end face of the ring-shaped pressing and installing base body 7 of the pressing and installing tool can be pressed and wound in the annular space between the polish rod and the packing box 8 in a fixed pressure mode until the packing is pressed and installed tightly, the oil circuit of the hydraulic cylinder is switched, and the manual pump 32 is operated to lift the pressing and installing tool out of the annular space.
As can be seen from the above description of the first embodiment of the christmas tree seal structure maintenance device, the device can conveniently and quickly realize the disassembly of the old packing and the press fitting of the new packing as required, and the whole process is safe, reliable, labor-saving and convenient.
Of course, the christmas tree seal structure maintenance device according to the present invention is not limited to the above-described embodiments, and other modified embodiments based on the design concept of the present invention are provided below.
For example, in other embodiments, unlike the embodiments described above, the work tool of the christmas tree seal configuration maintenance device may include only a removal tool, or only a press-fitting tool.
For example, in other embodiments, different from the above-described embodiments, the telescopic driving mechanism is a screw-nut mechanism, a vertically extending guide rod is provided on the fixed base, a screw of the screw-nut mechanism is circumferentially and axially fixedly mounted on the fixed base, a nut of the screw-nut mechanism is axially and fixedly matched with the guide rod, the nut forms an output end of the telescopic driving mechanism, the connecting member is connected to the nut, and an operating handle is provided at a lower end of the screw.
For another example, in other embodiments, different from the above-described embodiments, the hydraulic cylinder is a single-acting hydraulic cylinder, and after the old packing is cut off, the maintenance personnel manually lift the tool out, and the hydraulic cylinder is automatically depressurized.
For another example, in other embodiments, unlike the embodiments described above, the connecting member is fixedly attached to the output end of the telescopic drive mechanism, such as by welding or bolting, and the removal tool and the press-fitting tool are both detachably connected to the connecting member via the connecting flange.
Or in other embodiments, different from the above-described embodiments, the rotary cutter head and the rotary operating portion are both located on the lower side of the connector after the removal tool is connected to the connector.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. A Christmas tree sealing structure maintenance device is characterized by comprising a fixed base (2), wherein a vertically arranged telescopic driving mechanism is installed on the fixed base (2), a lock hoop (1) is fixedly connected to the fixed base (2), the lock hoop (1) is used for hooping the outer side of a packing box, a connecting piece (5) is connected to the output end of the telescopic driving mechanism, the Christmas tree sealing structure maintenance device further comprises a construction tool, the construction tool comprises a taking-out tool and/or a press-fitting tool, wherein the taking-out tool is provided with a vertically extending ring-shaped taking-out base body (6), the ring-shaped taking-out base body (6) is used for being rotatably installed on the connecting piece (5) around a vertical axis, a polished rod passes through the middle part of the ring-shaped taking-out base body (6), a rotary cutter head (63) is installed at the lower end of the ring-shaped taking-out base body (6), and a rotary operation part is arranged at the upper end of the ring-shaped taking-out base body (6), the pressing tool is provided with a ring-shaped pressing base body (7) extending up and down, the ring-shaped pressing base body (7) is fixedly connected to the connecting piece (5), and the ring surface of the lower end of the ring-shaped pressing base body (7) is used for pressing the packing.
2. The Christmas tree sealing structure maintenance device according to claim 1, wherein the telescopic driving mechanism comprises a manual hydraulic pump, an oil tank (33) and a hydraulic cylinder, the hydraulic cylinder extends vertically, a cylinder body (30) of the hydraulic cylinder is fixedly connected with the fixed base (2), a piston rod (31) of the hydraulic cylinder extends upwards out of the cylinder body (30) of the hydraulic cylinder, and the connecting piece (5) is installed at the upper end of the piston rod (31).
3. The christmas tree seal maintenance device according to claim 2, wherein the manual hydraulic pump is located on the outside of the stationary base (2) facing away from the locking collar (1).
4. The christmas tree seal maintenance device of claim 2, wherein the hydraulic cylinder is a dual-purpose hydraulic cylinder.
5. The Christmas tree sealing structure maintenance device according to any one of claims 1 to 4, wherein the locking hoop (1) is provided with an anti-slip structure on the inner circumferential surface of the hoop to increase the friction force when the packing box is tightly held.
6. The christmas tree seal maintenance device according to any one of claims 1-4, wherein the connection element (5) is rotatably mounted about a vertical axis on the output end of the telescopic drive mechanism and is axially fixed relative to the output end of the telescopic drive mechanism.
7. The Christmas tree seal structure maintenance device according to any one of claims 1 to 4, wherein the connecting member (5) comprises a clamp, and the ring-shaped take-out base body (6) and the ring-shaped press-fitting base body (7) are respectively provided with a clamping groove, and the connection of the ring-shaped take-out base body (6) and the ring-shaped press-fitting base body (7) with the connecting member (5) is realized by the clamping of the clamp in the clamping grooves.
8. The Christmas tree sealing structure maintenance device according to any one of claims 1 to 4, wherein the inner holes of the ring-shaped take-out base body (6) and the ring-shaped press-fitting base body (7) are matched with the outer peripheral surface of the polish rod.
9. The Christmas tree seal maintenance device according to any one of claims 1 to 4, wherein the lower end of the ring-shaped extraction base body (6) is provided with a downwardly extending cantilever arm (62), and the rotary cutter head (63) is arranged at the lower end of the cantilever arm (62).
10. The Christmas tree sealing structure maintenance device according to claim 9, wherein the connecting member (5) comprises a clamp, a clamping groove is formed in the ring-shaped take-out base body (6), the ring-shaped take-out base body (6) is connected with the connecting member (5) through the clamping of the clamp, and the rotating operation part is located above the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222798.0A CN114453670A (en) | 2021-10-20 | 2021-10-20 | Device is maintained to production tree seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222798.0A CN114453670A (en) | 2021-10-20 | 2021-10-20 | Device is maintained to production tree seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114453670A true CN114453670A (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111222798.0A Pending CN114453670A (en) | 2021-10-20 | 2021-10-20 | Device is maintained to production tree seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114453670A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203939468U (en) * | 2013-12-06 | 2014-11-12 | 中国石油天然气股份有限公司 | A kind of withdrawing device of oil-field flooding pump packing |
| EP2835569A2 (en) * | 2013-08-09 | 2015-02-11 | Flintab GmbH | Device for exchanging a drilling fitting |
| CN205817741U (en) * | 2016-07-04 | 2016-12-21 | 余锦辉 | A kind of swinging oil well packing extractor |
| CN109531185A (en) * | 2018-11-02 | 2019-03-29 | 筑梦高科建筑有限公司 | A kind of architectural engineering plate punching equipment |
| CN208773480U (en) * | 2018-10-15 | 2019-04-23 | 孟小兵 | A kind of packing auxiliary replacer |
| CN211777316U (en) * | 2020-03-12 | 2020-10-27 | 延长油田股份有限公司 | Packing pressing device |
-
2021
- 2021-10-20 CN CN202111222798.0A patent/CN114453670A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2835569A2 (en) * | 2013-08-09 | 2015-02-11 | Flintab GmbH | Device for exchanging a drilling fitting |
| CN203939468U (en) * | 2013-12-06 | 2014-11-12 | 中国石油天然气股份有限公司 | A kind of withdrawing device of oil-field flooding pump packing |
| CN205817741U (en) * | 2016-07-04 | 2016-12-21 | 余锦辉 | A kind of swinging oil well packing extractor |
| CN208773480U (en) * | 2018-10-15 | 2019-04-23 | 孟小兵 | A kind of packing auxiliary replacer |
| CN109531185A (en) * | 2018-11-02 | 2019-03-29 | 筑梦高科建筑有限公司 | A kind of architectural engineering plate punching equipment |
| CN211777316U (en) * | 2020-03-12 | 2020-10-27 | 延长油田股份有限公司 | Packing pressing device |
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