CN115874969B - Movable self-locking wellhead device - Google Patents
Movable self-locking wellhead device Download PDFInfo
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- CN115874969B CN115874969B CN202211657320.5A CN202211657320A CN115874969B CN 115874969 B CN115874969 B CN 115874969B CN 202211657320 A CN202211657320 A CN 202211657320A CN 115874969 B CN115874969 B CN 115874969B
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Abstract
The invention discloses a movable self-locking wellhead device which comprises a base, a motor and a first hydraulic cylinder, wherein a first motor is installed in the base, the output end of the first motor is connected with one end of a first lead screw, a first traction rod is arranged above the first lead screw, sliding blocks are symmetrically arranged on the first lead screw and the first traction rod, and the sleeve is connected to a supporting column in a sliding mode. This portable auto-lock wellhead assembly, first motor drives first lead screw rotation, thereby can make the slider remove through branch promotion universal auto-lock wheel downshifting with ground contact, thereby can utilize universal auto-lock wheel to adjust the position of device, thereby simultaneously when the device during operation staff steerable first motor drives first lead screw counter-rotation makes universal auto-lock wheel keep away from ground can utilize supporting baseplate to support the device, and then be convenient for guarantee the stability of during operation, prevent that the device from because of supporting through universal auto-lock wheel and unexpected removal, thereby can reach the purpose of locking.
Description
Technical Field
The invention relates to the technical field of wellhead devices, in particular to a movable self-locking wellhead device.
Background
The wellhead device is a device which is arranged at the wellhead and used for controlling the pressure and direction of gas and liquid (oil, water and the like) fluid, suspending a casing pipe and an oil pipe and sealing the annular space between the oil pipe and the casing pipe and between the oil pipe and the casing pipe of each layer in petroleum and natural gas drilling. It generally consists of casing head, tubing head, blowout preventer stack, four-way, by-pass tubing. Meanwhile, the production tree and the gas production tree generally belong to wellhead devices, and the integral production wellhead device is found to be typical as disclosed in CN217327252U in the prior art, and comprises a wellhead device body, a fixed ring is arranged on the wellhead device body, a mounting plate is arranged below the fixed ring, a chute is arranged on the mounting plate, a positive and negative screw rod is arranged in the chute, a second bevel gear is arranged on the positive and negative screw rod, the mounting plate is provided with a second ball bearing, a rotating shaft is arranged in the second ball bearing, the rotating shaft is provided with a first bevel gear, the mounting plate is provided with a mounting frame, a motor is arranged on the mounting frame, the motor is connected with the rotating shaft, a clamping assembly is connected on the positive and negative screw rod in a threaded manner, the two arc clamping plates are driven to be close to each other by means of the motor through starting the motor, so that the two arc clamping plates clamp the wellhead device body, and the wellhead device body with different specifications can be clamped by means of the universal wheels, and then the wellhead device body with different specifications can be conveniently moved to a specified position for assembly and assembly.
Above-mentioned wellhead assembly has installed the universal wheel in the bottom of device for convenient removal and carry out the position control to it, and the device still supports through the universal wheel when the device does not need the position to make the stability of device relatively poor, on the other hand current wellhead assembly is single to the centre gripping direction when christmas tree and valve carry out spacing, thereby appears the unstable phenomenon of centre gripping easily, to above-mentioned problem, need improve current equipment.
Disclosure of Invention
The invention aims to provide a movable self-locking wellhead device, which aims to solve the problems that the wellhead device is provided with universal wheels at the bottom of the device for convenient movement and position adjustment, and the device is supported by the universal wheels when the device does not need the position movement, so that the stability of the device is poor, and the clamping direction is single when the existing wellhead device limits a christmas tree and a valve, so that the unstable clamping is easy to occur.
In order to achieve the above purpose, the present invention provides the following technical solutions: a movable self-locking wellhead device comprises a base, a motor and a first hydraulic cylinder,
The base is internally provided with a first motor, the output end of the first motor is connected with one end of a first lead screw, a first traction rod is arranged above the first lead screw, sliding blocks are symmetrically arranged on the first lead screw and the first traction rod, the sliding blocks are rotationally connected with the top of a movable plate through supporting rods, sleeves are arranged on the left side and the right side of the movable plate, the sleeves are slidably connected onto supporting columns, the bottoms of the supporting columns are fixedly connected with supporting bottom plates, and the supporting bottom plates are arranged on the outer sides of the universal self-locking wheels;
The motor is installed in the base, and the output and the first installation piece of motor are connected, and first installation piece is connected with the second installation piece through the second pneumatic cylinder simultaneously, first installation piece and second installation piece are all provided with two sets of symmetries, and the inboard of first installation piece and second installation piece all is provided with spacing subassembly, spacing subassembly connects on second lead screw and second traction lever, and connects through belt drive structure between the second lead screw, the one end and the output of second motor of second lead screw are connected, and second lead screw and second traction lever are all connected on the mount, and the second motor is installed in the backup pad simultaneously.
Preferably, the first motor and the first screw rod form a rotation, and two groups of opposite threads are formed on the first screw rod.
Preferably, the sliding block is slidably connected inside the base, and a control panel and a handle bar are mounted on the front side wall of the base.
Preferably, the universal self-locking wheels are symmetrically arranged at the bottom of the movable plate, and the universal self-locking wheels are arranged at the inner side of the annular supporting bottom plate.
Preferably, the motor, the first mounting block, the second hydraulic cylinder, the second mounting block and the limiting assembly form a rotating structure.
Preferably, the first hydraulic cylinder is arranged in a group of first installation blocks far away from the motor, the bottom end of the first hydraulic cylinder penetrates through and is connected with the metal base plate, and meanwhile the metal base plate is magnetically connected with the magnet at the top of the base.
Preferably, the limiting component comprises a fixed cover, one side of the fixed cover is provided with a movable cover, the inner sides of the fixed cover and the movable cover are respectively embedded and connected with an electric telescopic rod, and the other end of the electric telescopic rod is connected with the limiting plate.
Preferably, the fixed cover and the movable cover are both connected to the second lead screw and the second traction rod, and the fixed cover is fixedly connected to the second lead screw and the second traction rod, and the movable cover is slidingly connected to the second lead screw and the second traction rod.
Preferably, the electric telescopic rods are distributed on the fixed cover and the movable cover in an annular array shape, and the fixed cover and the movable cover are in a semicircular shape.
Compared with the prior art, the invention has the beneficial effects that: the movable self-locking wellhead device comprises a wellhead body,
(1) According to the invention, the wellhead device is matched with the first motor, the first lead screw, the sliding block, the supporting rod, the moving plate, the sleeve, the universal self-locking wheel and the supporting bottom plate for convenient movement and position adjustment, the universal wheel is arranged at the bottom of the device, and the device is supported by the universal wheel when the device does not need to move in position, so that the stability of the device is poor, the first motor drives the first lead screw to rotate, the sliding block can move to push the universal self-locking wheel to move downwards to contact with the ground through the supporting rod, the position of the device can be adjusted by using the universal self-locking wheel, meanwhile, when the device works, a worker can control the first motor to drive the first lead screw to reversely rotate, so that the universal self-locking wheel is far away from the ground, and the device can be supported by using the supporting bottom plate, thus the stability of the device in working is ensured, the device is prevented from moving accidentally due to the supporting by the universal self-locking wheel, and the locking aim can be achieved;
(2) According to the invention, the clamping direction is single when the existing wellhead device of the electric telescopic rod and the limiting plate limits the christmas tree and the valve, so that the problem of unstable clamping is easy to occur, and the movable cover and a plurality of groups of opposite electric telescopic rods on the inner side of the movable cover can push the limiting plate to clamp and fix the valve and the christmas tree from a plurality of directions, so that the clamping stability is convenient to improve;
(3) According to the invention, the problem that the spacing components cannot be moved to the outer side of the christmas tree due to the fact that the spacing components are inconvenient to adjust due to the fact that the structure is fixed by the aid of the second motor, the belt transmission structure and the second lead screws in a matched mode can be effectively solved, the second motor can drive the two groups of second lead screws to rotate through the belt transmission structure, and therefore the position of the movable cover on the second lead screws can be adjusted, namely the spacing between the movable cover and the fixed cover is adjusted, the flexibility of the device is improved conveniently, and the application range of the device is enlarged;
(4) The invention can effectively solve the problems that most of the existing wellhead device main body is fixedly arranged right above the wellhead and can shield the wellhead in a large area so as to be inconvenient for checking the condition of the wellhead, the motor can rotate the fixed cover and the movable cover to the upper part of the wellhead, so that the christmas tree can be fixed by utilizing the limiting plate on the inner side of the fixed cover and the movable cover and the wellhead can not be shielded in a large area, and meanwhile, after the device is used, a worker can control the motor to rotate the fixed cover and the movable cover to the upper part of the base for storage, thereby being convenient for reducing the storage space occupied by the device and further being convenient for improving the rationality of the structure of the device;
(5) According to the invention, the problem that the fixed cover and the movable cover are unstable due to single supporting position can be effectively avoided through the first hydraulic cylinder and the metal base plate, and the first hydraulic cylinder can push the metal base plate to move downwards to be in contact with the ground, so that the other sides of the fixed cover and the movable cover can be supported in an auxiliary manner, the stability of the structure of the device is improved, and meanwhile, when the device is not required to be used, the bottom of the device is supported and magnetically connected to the magnet at the top of the base, so that the compactness and the rationality of the structure of the device are improved.
Drawings
FIG. 1 is a schematic view of a front view in cross section;
FIG. 2 is a schematic diagram of a front view structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of a cross-sectional front view of the device of the present invention;
FIG. 5 is a schematic diagram of the front view of the device of the present invention when moving;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;
fig. 8 is a schematic top view of a limiting assembly according to the present invention.
In the figure: 1. a base; 2. a first motor; 3. a first lead screw; 4. a first drawbar; 5. a slide block; 6. a support rod; 7. a moving plate; 8. a sleeve; 9. a support column; 10. a support base plate; 11. universal self-locking wheel; 12. a motor; 13. a first mounting block; 14. a second mounting block; 15. a first hydraulic cylinder; 16. a metal backing plate; 17. a fixed cover; 18. a second lead screw; 19. a second drawbar; 20. a moving cover; 21. an electric telescopic rod; 22. a limiting plate; 23. a second motor; 24. a belt drive structure; 25. a support plate; 26. a second hydraulic cylinder; 27. a magnet; 28. a fixing frame; 29. a control panel; 30. a handle bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: movable self-locking wellhead device, embodiment one
As shown in fig. 1, fig. 2, fig. 4 and fig. 5, a first motor 2 is installed in the base 1, and the output end of the first motor 2 is connected with one end of a first lead screw 3, meanwhile, a first traction rod 4 is arranged above the first lead screw 3, a sliding block 5 is symmetrically arranged on the first lead screw 3 and the first traction rod 4, the sliding block 5 is rotationally connected with the top of a moving plate 7 through a supporting rod 6, meanwhile, sleeves 8 are arranged on the left side and the right side of the moving plate 7, the sleeves 8 are slidingly connected on a supporting column 9, a supporting bottom plate 10 is fixedly connected with the bottom of the supporting column 9, and meanwhile, the supporting bottom plate 10 is arranged on the outer side of a universal self-locking wheel 11.
In a further embodiment, the first motor 2 and the first screw 3 are configured to rotate, and two sets of opposite threads are formed on the first screw 3.
In particular, it is convenient to move the two sets of sliders 5 on the first screw 3 to the inner side or to the outer side.
In a further embodiment, the slider 5 is slidably connected to the inside of the base 1, and a control panel 29 and a handle bar 30 are mounted on the front side wall of the base 1.
In a further embodiment, the universal self-locking wheels 11 are symmetrically arranged at the bottom of the moving plate 7, and the universal self-locking wheels 11 are arranged at the inner side of the annular supporting bottom plate 10.
Specifically, the operator can operate the control panel 29 to control the device, and meanwhile, the operator can hold the handle bar 30 to push the universal self-locking wheel 11 to move and adjust the position of the device.
As shown in fig. 1,2, 4, 5 and 7, the motor 12 is installed in the base 1, and an output end of the motor 12 is connected to the first mounting block 13, while the first mounting block 13 is connected to the second mounting block 14 through the second hydraulic cylinder 26.
Specifically, the second hydraulic cylinder 26 may pull the upper set of limiting assemblies downward when the device is not in use, thereby facilitating the improvement of the compactness of the device structure, and further facilitating the storage of the device and reducing the storage space occupied by the device.
In a further embodiment, the first hydraulic cylinder 15 is disposed in a set of first mounting blocks 13 remote from the motor 12, and the bottom end of the first hydraulic cylinder 15 is connected to the metal backing plate 16 through the bottom of the first mounting blocks 13, while the metal backing plate 16 is magnetically connected to the magnet 27 on the top of the base 1.
In particular, the magnets 27 facilitate the tight connection of the metal pad 16 to the base 1, thereby facilitating the prevention of the collision and impact thereof upon movement of the device, and thus facilitating the improvement of the stability upon movement of the device.
As shown in fig. 1, 2, 3, 4, 5, 6 and 8, the first mounting block 13 and the second mounting block 14 are symmetrically provided with two groups, and the inner sides of the first mounting block 13 and the second mounting block 14 are provided with limiting components, the limiting components are connected to the second lead screw 18 and the second traction rod 19, the second lead screws 18 are connected through a belt transmission structure 24, one end of each second lead screw 18 is connected with the output end of the second motor 23, the second lead screw 18 and the second traction rod 19 are connected to the fixing frame 28, and meanwhile, the second motor 23 is mounted on the supporting plate 25.
In a further embodiment, the motor 12, the first mounting block 13, the second hydraulic cylinder 26, the second mounting block 14 and the limit assembly form a rotating structure.
Specifically, in the actual working process, the handheld handle bar 30 pushes the universal self-locking wheel 11 to move the device to one side of the wellhead, then the control panel 29 is operated to start the motor 12 to rotate the limiting component, then the universal self-locking wheel 11 is utilized to move the device to enable the christmas tree at the wellhead to move to the inner side of the limiting component, then the first motor 2 is started to drive the first screw 3 to rotate, so that two groups of sliding blocks 5 can move to the outer side, then the movable plate 7 and the universal self-locking wheel 11 at the bottom of the movable plate are pulled to move upwards through the supporting rods 6 until the universal self-locking wheel 11 is far away from the ground, so that the device can be supported by the supporting bottom plate 10, meanwhile, the staff can control the first hydraulic cylinder 15 to push the metal base plate 16 to move downwards to contact with the ground to support the other side of the limiting component, and then the limiting component can be utilized to clamp and fix the christmas tree and the valve at the inner side of the device, and the device can be installed and connected conveniently.
Example two
This embodiment is a further description of the above embodiment, and it should be understood that this embodiment includes all the foregoing technical features and is further specifically described.
As shown in fig. 1,2, 3,4,5, 6 and 8, in a further embodiment, the limiting assembly includes a fixed cover 17, a movable cover 20 is disposed on one side of the fixed cover 17, electric telescopic rods 21 are embedded and connected on inner sides of the fixed cover 17 and the movable cover 20, and the other ends of the electric telescopic rods 21 are connected with limiting plates 22.
Specifically, the limiting component on the upper group is used for clamping and fixing the valve, and the limiting component on the lower side is used for clamping and fixing the christmas tree.
In a further embodiment, the fixed cap 17 and the movable cap 20 are both connected to the second lead screw 18 and the second drawbar 19, and the fixed cap 17 is fixedly connected to the second lead screw 18 and the second drawbar 19, while the movable cap 20 is slidingly connected to the second lead screw 18 and the second drawbar 19.
In a further embodiment, the electric telescopic rods 21 are distributed on the fixed cover 17 and the movable cover 20 in an annular array, and the fixed cover 17 and the movable cover 20 are in a semicircular shape.
Specifically, the staff can control the second motor 23 to drive the second lead screw 18 to rotate, thereby can make and remove the cover 20 and remove along second lead screw 18 and second traction lever 19, thereby can adjust the interval between fixed cover 17 and the removal cover 20, even if be favorable to the inboard not unidimensional valve of device and christmas tree centre gripping, staff's accessible control the extension length of electric telescopic handle 21 carries out the centre gripping to not unidimensional valve and christmas tree fixedly simultaneously, namely second motor 23 can be used for adjusting on a large scale, electric telescopic handle 21 is used for small scale to be convenient for optimize the structure of device, hierarchical regulation simultaneously, be convenient for further improve the stability of centre gripping.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides a portable auto-lock wellhead assembly, includes base (1), motor (12) and first pneumatic cylinder (15), its characterized in that:
The novel self-locking device is characterized in that a first motor (2) is arranged in the base (1), the output end of the first motor (2) is connected with one end of a first lead screw (3), a first traction rod (4) is arranged above the first lead screw (3), sliding blocks (5) are symmetrically arranged on the first lead screw (3) and the first traction rod (4), the sliding blocks (5) are rotationally connected with the top of a movable plate (7) through supporting rods (6), sleeves (8) are respectively arranged on the left side and the right side of the movable plate (7), the sleeves (8) are slidably connected on supporting columns (9), supporting bottom plates (10) are fixedly connected to the bottoms of the supporting columns (9), and the supporting bottom plates (10) are arranged on the outer sides of universal self-locking wheels (11);
The motor (12) is installed in base (1), and the output and the first installation piece (13) of motor (12) are connected, and simultaneously first installation piece (13) are connected with second installation piece (14) through second pneumatic cylinder (26), first installation piece (13) and second installation piece (14) all are provided with two sets of symmetries, and the inboard of first installation piece (13) and second installation piece (14) all is provided with spacing subassembly, spacing subassembly is connected on second lead screw (18) and second traction lever (19), and is connected through belt transmission structure (24) between second lead screw (18), the one end and the output of second motor (23) of second lead screw (18), and second lead screw (18) and second traction lever (19) all are connected on mount (28), and simultaneously second motor (23) are installed in backup pad (25).
2. A movable self-locking wellhead as claimed in claim 1 wherein: the first motor (2) and the first screw rod (3) form rotation, and two groups of opposite threads are formed on the first screw rod (3).
3. A movable self-locking wellhead as claimed in claim 1 wherein: the sliding block (5) is connected inside the base (1) in a sliding way, and a control panel (29) and a handle bar (30) are arranged on the front side wall of the base (1).
4. A movable self-locking wellhead as claimed in claim 1 wherein: the universal self-locking wheels (11) are symmetrically arranged at the bottom of the movable plate (7), and the universal self-locking wheels (11) are arranged at the inner side of the annular supporting bottom plate (10).
5. A movable self-locking wellhead as claimed in claim 1 wherein: the motor (12), the first mounting block (13), the second hydraulic cylinder (26), the second mounting block (14) and the limiting assembly form a rotating structure.
6. A movable self-locking wellhead as claimed in claim 1 wherein: the first hydraulic cylinder (15) is arranged in a group of first installation blocks (13) far away from the motor (12), the bottom end of the first hydraulic cylinder (15) penetrates through the bottom of the first installation blocks (13) to be connected with the metal base plate (16), and meanwhile the metal base plate (16) is magnetically connected with the magnet (27) at the top of the base (1).
7. A movable self-locking wellhead as claimed in claim 1 wherein: the limiting component comprises a fixed cover (17), a movable cover (20) is arranged on one side of the fixed cover (17), an electric telescopic rod (21) is embedded and connected into the inner sides of the fixed cover (17) and the movable cover (20), and the other end of the electric telescopic rod (21) is connected with a limiting plate (22).
8. A movable self-locking wellhead as claimed in claim 7 wherein: the fixed cover (17) and the movable cover (20) are both connected to the second lead screw (18) and the second traction rod (19), the fixed cover (17) is fixedly connected with the second lead screw (18) and the second traction rod (19), and the movable cover (20) is in sliding connection with the second lead screw (18) and the second traction rod (19).
9. A movable self-locking wellhead as claimed in claim 7 wherein: the electric telescopic rods (21) are distributed on the fixed cover (17) and the movable cover (20) in an annular array shape, and the fixed cover (17) and the movable cover (20) are in a semicircular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211657320.5A CN115874969B (en) | 2022-12-22 | 2022-12-22 | Movable self-locking wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211657320.5A CN115874969B (en) | 2022-12-22 | 2022-12-22 | Movable self-locking wellhead device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115874969A CN115874969A (en) | 2023-03-31 |
| CN115874969B true CN115874969B (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211657320.5A Active CN115874969B (en) | 2022-12-22 | 2022-12-22 | Movable self-locking wellhead device |
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| CN (1) | CN115874969B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117386316B (en) * | 2023-12-08 | 2024-02-27 | 黑龙江港岛科技有限公司 | A digital intelligent gas wellhead control device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210829376U (en) * | 2019-11-07 | 2020-06-23 | 张建山 | Coal mine gas extraction drilling device |
| CN113738443A (en) * | 2021-09-16 | 2021-12-03 | 中交一公局集团有限公司 | Blocking and draining combined tunnel water burst treatment device and treatment method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1618864A1 (en) * | 1988-08-15 | 1991-01-07 | Украинская военизированная часть по предупреждению возникновения и по ликвидации открытых газовых и нефтяных фонтанов | Unit for guiding ball valve to head of gushing well |
| CN212535600U (en) * | 2020-06-29 | 2021-02-12 | 托普威尔石油技术股份公司 | Oil field well head strutting arrangement |
| CN213574026U (en) * | 2020-09-08 | 2021-06-29 | 张磊 | Gas field speed tubular column drainage gas production device |
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2022
- 2022-12-22 CN CN202211657320.5A patent/CN115874969B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210829376U (en) * | 2019-11-07 | 2020-06-23 | 张建山 | Coal mine gas extraction drilling device |
| CN113738443A (en) * | 2021-09-16 | 2021-12-03 | 中交一公局集团有限公司 | Blocking and draining combined tunnel water burst treatment device and treatment method thereof |
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| CN115874969A (en) | 2023-03-31 |
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