CN115653532A - Diameter-variable temporary plugging device for oil pipe - Google Patents
Diameter-variable temporary plugging device for oil pipe Download PDFInfo
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- CN115653532A CN115653532A CN202211429945.6A CN202211429945A CN115653532A CN 115653532 A CN115653532 A CN 115653532A CN 202211429945 A CN202211429945 A CN 202211429945A CN 115653532 A CN115653532 A CN 115653532A
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- sliding shaft
- oil pipe
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention relates to the field of temporary oil pipe stoppers, in particular to a variable-diameter temporary oil pipe stopper which comprises a hoisting mechanism for mounting and supporting, a blocking mechanism for blocking the interior of an oil pipe, a detection mechanism for supporting and adjusting the blocking mechanism and a force application mechanism, wherein the blocking mechanism is mounted in the middle of the hoisting mechanism, the detection mechanism is mounted at the bottom of the hoisting mechanism, and the force application mechanism is mounted on the blocking mechanism and used for solving the technical problem that the service life is influenced by the fact that a rubber on the temporary stopper and the oil pipe move mutually to generate wrinkles due to reciprocating positive and negative force application on the temporary stopper when oil in the oil pipe fluctuates.
Description
Technical Field
The invention relates to the field of temporary plugging devices for oil pipes, in particular to a diameter-variable temporary plugging device for oil pipes.
Background
The temporary oil pipe plugging device is mainly a device for sealing an oil well in a short time during oil well operation, the sealing performance of the device needs to be guaranteed during plugging, and the variable environment in the oil well can be guaranteed to be coped with at the same time;
the invention patent with publication number CN111980619B discloses an oil pipe plug, which extends into a shaft along with an oil pipe, and comprises a central pipe, an expansion rubber cylinder, a slip component and a hydraulic cylinder, wherein the expansion rubber cylinder, the slip component and the hydraulic cylinder are all sleeved on the central pipe; the hydraulic cylinder comprises a hydraulic cylinder shell, a hydraulic cylinder stopper, a piston and a piston rod, wherein the hydraulic cylinder stopper is sleeved on a central pipe, the hydraulic cylinder stopper can be arranged on the upper portion of the hydraulic cylinder shell in an up-and-down sliding mode, the inner wall of the upper portion of the hydraulic cylinder shell is tightly attached to the outer wall of the hydraulic cylinder stopper, a first cavity is formed between the bottom surface of the piston and the inner wall of the hydraulic cylinder shell, a first through hole communicated with the first cavity is formed in the side wall of the hydraulic cylinder shell, a second cavity is formed between the top of the piston, the bottom of the hydraulic cylinder stopper and the inner wall of the hydraulic cylinder shell, a second through hole and a third through hole are correspondingly formed in the central pipe and the piston rod, the interior of the central pipe is communicated with the second cavity through the second through hole and the third through hole, in the scheme, the rubber block and the inner wall of an oil pipe are blocked in an air pressure mode, the inner support does not have good rigid support, when the inner oil pressure fluctuates, a single-layer blocking structure is easy to wrinkle, if the wrinkle is caused, fatigue strain is caused, and the blocking effect is influenced.
Disclosure of Invention
The invention provides a variable-diameter temporary oil pipe plugging device, which aims to solve the technical problem that the service life is influenced by the fact that a rubber sheet on the temporary plugging device and an oil pipe move mutually to generate wrinkles due to the fact that reciprocating positive and negative force is applied to the temporary plugging device when oil in the oil pipe fluctuates.
The invention relates to a diameter-variable oil pipe temporary plugging device, which adopts the following technical scheme: the device comprises a hoisting mechanism for mounting and supporting, a plugging mechanism for plugging the interior of an oil pipe, a detection mechanism for supporting and adjusting the plugging mechanism, and a force application mechanism, wherein the plugging mechanism is mounted in the middle of the hoisting mechanism, the detection mechanism is mounted at the bottom of the hoisting mechanism, and the force application mechanism is mounted on the plugging mechanism;
the plugging mechanism comprises a rubber sleeve, two groups of supporting plates are arranged in the rubber sleeve, six supporting plates are arranged in each group, each group of supporting plates is correspondingly arranged on one group of second supporting frames, one end of each second supporting frame is hinged with the corresponding supporting plate, the other end of each second supporting frame is hinged with a telescopic plate, the upper group of telescopic plates and the lower group of telescopic plates are connected through a double-headed screw, the two groups of second supporting frames are fixed through a central seat, the end surfaces of the second supporting frames of the supporting plates are fixed through limiting seats, the two groups of second supporting frames are propped open by rotating the double-headed screw in a manner of being matched with the telescopic plates and the second supporting frames, so that the second supporting frames are umbrella-shaped to prop open the supporting plates and the rubber sleeve, the rubber sleeve is tightly attached to the inner wall of the oil pipe, and the plugging effect is ensured;
the force application mechanism comprises a double-end sliding shaft, the double-end sliding shaft is slidably connected to a center seat, the double-end sliding shaft is in through connection with a double-end screw rod, the upper end face and the lower end face of the center seat are provided with an energizing rod corresponding to the supporting plate, the energizing rod is connected with the center seat through a locking rod, the locking rod is slidably connected with the center seat, a swing rod is arranged between the locking rods corresponding to the center seat up and down, the swing rod is connected inside the center seat through a pin shaft, a matching gear is formed on one side of the swing rod facing to the double-end sliding shaft, the matching gear is in matching connection with a concave matching block, the concave matching block is installed on the double-end sliding shaft, two locking blocks are installed on the two side end faces of the matching gear, a vibrating block is arranged on the double-end sliding shaft on the upper side and the lower side of the concave matching block, and the vibrating block corresponds to the locking rod, when the first push rod at the lower end pushes the double-end sliding shaft, the double-end sliding shaft moves upwards, the tooth sockets on the concave matching blocks are matched with the gear, the matching gear and the swing rod rotate, the swing rod enables the locking rods at the upper end and the lower end to be abutted against the stressing rod, teeth on the inner sides of the locking rods are matched with teeth on the stressing rod, the inclined planes at the staggered positions of the thick diameter and the thin diameter of the double-end sliding shaft start to apply transverse force to the locking rods at the lower end, the locking rods at the lower end move outwards after being pressed, the stressing rod and the supporting plate are driven to expand outwards, the rubber sleeves corresponding to the supporting plates at the lower end are subjected to supporting force, the rubber sleeves corresponding to the supporting plates at the lower end are more tightly attached to the inner wall of the oil pipe, and after the locking rods at the upper end are matched with the stressing rod in a same way, the rubber sleeves corresponding to the supporting plates at the upper end are subjected to intermittent knocking by the vibrating block on the double-end sliding shaft, only the vibrating force is not subjected to the outward expansion force, and then the rubber sleeves corresponding to be subjected to the vibrating force, the wrinkles on the upper rubber sleeve are vibrated and smoothed, so that the service life of the rubber sleeve is prolonged;
the detection mechanism comprises a detection sleeve, a hand press plate is connected to the bottom surface inside the detection sleeve, a first push rod is connected to the upper end of the hand press plate, the first push rod penetrates through a first support frame and is connected with a second push rod, the upper end of the second push rod is connected with the double-end sliding shaft and penetrates through the expansion plate, when the bottom of the detection sleeve is subjected to positive pressure of oil pressure, the detection sleeve and the hand press plate are upwards pushed, and when the bottom of the detection sleeve is subjected to negative pressure of the oil pressure, the detection sleeve and the hand press plate are downwards stretched.
Furthermore, the detection sleeve is arranged on the lower end face of the first support frame, and the hanging frame of the hoisting mechanism is arranged on the upper end of the limiting seat.
Furthermore, the supporting plate is an arc-shaped plate and used for supporting the rubber sleeve.
Furthermore, a groove for limiting the sliding of the locking rod is formed on the central seat, and the locking rod slides in the groove of the central seat; the upper end face and the lower end face of the swing rod abut against the locking rods, the upper locking rod and the lower locking rod are connected through tension springs, the teeth of the locking rods are not matched with the teeth of the stressing rods in a normal state under the action of the tension springs, and the locking rods can transversely move on the double-end sliding shaft in a small range.
Furthermore, the double-end sliding shaft is a hollow shaft with two thick ends and a thin middle part, the joint of the thick diameter and the thin diameter is an inclined plane, and the double-end sliding shaft is connected with the double-end screw rod in a sliding mode.
Further, the shaping has the tooth's socket that corresponds the mating gear in the recess of concave type cooperation piece, the cooperation of concave type cooperation piece both sides bulge the latch segment, after concave type cooperation piece drove cooperation gear and the pendulum rod rotation, the latch segment was driven the rotation and is corresponded concave type cooperation piece, and latch segment terminal surface cooperation concave type cooperation piece this moment, cooperation gear flank of tooth breaks away from with concave type cooperation piece to guarantee the cooperation of concave type cooperation piece to the latch segment to and the locking of concave type cooperation piece to the pendulum rod angle.
Furthermore, the bottom surface of the hand pressing plate is connected with the detection sleeve through glue, and the upper part of the hand pressing plate is positioned on the first push rod and is connected with a support spring.
The invention has the beneficial effects that: according to the invention, the rubber sleeve is supported by the first support frame and the support plate through the double-end screw, so that the rubber sleeve is guaranteed to be blocked by the rubber sleeve at the initial stage, when pressure fluctuation occurs to oil liquid in the oil pipe, if the pressure is upward, the pressure is applied to the support plate at the lower end by the force application rod, so that the sealing property and the matching pressure of the rubber sleeve at the lower side and the oil pipe are improved, meanwhile, the upper end of the rubber sleeve is not subjected to the pressure of the force application rod and is subjected to the vibration force matched with the vibration block, so that the fold on the rubber sleeve corresponding to the upper side is unfolded, the fold is prevented from influencing the service life of the rubber sleeve, and when negative pressure is generated, the sealing property and the pressure of the rubber sleeve corresponding to the upper side are increased, and the fold is smoothed by the vibration force on the rubber sleeve corresponding to the lower side.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a normal structure of an embodiment of a variable-diameter oil pipe temporary plugging device according to the present invention;
FIG. 2 is a schematic structural view of a plugging state of an embodiment of a variable diameter tubing temporary plugging device of the present invention;
FIG. 3 is a schematic view of a rubber sleeve structure of an embodiment of a variable diameter tubing plug of the present invention;
FIG. 4 is a schematic view of the internal structure of a rubber sleeve of an embodiment of the variable diameter tubing plug of the present invention;
FIG. 5 is a schematic view of a plugging mechanism of an embodiment of a variable diameter tubing plug of the present invention;
FIG. 6 is a schematic structural view of a detection mechanism of an embodiment of a variable diameter tubing plug of the present invention;
FIG. 7 is a schematic view of a force applying mechanism of an embodiment of a variable diameter tubing plug of the present invention;
FIG. 8 is a schematic structural view of a mating relationship between a mating gear and a concave mating block of an embodiment of the variable diameter tubing temporary closure of the present invention;
FIG. 9 is a schematic view of a structure of a force rod and a locking rod of an embodiment of the variable diameter tubing temporary closure of the present invention;
fig. 10 is a top view of the female mating block of an embodiment of a variable diameter oil pipe block of the present invention.
In the figure: 1. a hoisting mechanism; 2. a plugging mechanism; 3. a detection mechanism; 4. a force application mechanism; 11. a hanger; 12. a first support frame; 21. a rubber sleeve; 22. a support plate; 23. a second support frame; 24. a retractable plate; 25. a double-ended screw; 26. a limiting seat; 31. a detection sleeve; 32. a hand press plate; 33. a first push rod; 34. a second push rod; 41. a center seat; 42. a double-ended slide shaft; 43. a stressing rod; 44. a locking lever; 45. a swing rod; 46. a mating gear; 47. a concave mating block; 48. a locking block; 49. and a vibration block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the diameter-variable temporary plugging device for the oil pipe comprises a hoisting mechanism 1 for installation and support, a plugging mechanism 2 for plugging the interior of the oil pipe, a detection mechanism 3 for supporting and adjusting the plugging mechanism 2 and a force application mechanism 4, wherein the plugging mechanism 2 is arranged in the middle of the hoisting mechanism 1, the detection mechanism 3 is arranged at the bottom of the hoisting mechanism 1, and the force application mechanism 4 is arranged on the plugging mechanism 2;
as shown in fig. 4 and 5, the plugging mechanism 2 includes a rubber sleeve 21, two sets of support plates 22 are arranged inside the rubber sleeve 21, six support plates 22 are arranged in each set, each set of support plates 22 is correspondingly installed on one set of second support frame 23, one end of each second support frame 23 is hinged to the support plate 22, the other end of each second support frame 23 is hinged to the corresponding expansion plate 24, the upper and lower sets of expansion plates 24 are connected through a double-headed screw 25, the two sets of second support frames 23 are fixed through a center seat 41, the end surfaces of the second support frames 23 of the support plates 22 are fixed through a limiting seat 26, and the two sets of second support frames 23 are opened by rotating the double-headed screw 25 and matching the expansion plates 24 with the second support frames 23, so that the second support frames 23 umbrella-shaped support plates 22 and the rubber sleeve 21 open the support plates 22 and the rubber sleeve 21 tightly cling to the inner wall of the oil pipe, thereby ensuring the plugging effect;
as shown in fig. 4 and 7, the force applying mechanism 4 includes a double-head sliding shaft 42, the double-head sliding shaft 42 is slidably connected to the central seat 41, the double-head sliding shaft 42 is connected to the double-head screw 25 in a penetrating manner, the upper and lower end surfaces of the central seat 41 are provided with an energizing rod 43 corresponding to the support plate 22, the energizing rod 43 is connected to the central seat 41 through a locking rod 44, as shown in fig. 8, the locking rod 44 is slidably connected to the central seat 41, a swing rod 45 is provided between the upper and lower corresponding locking rods 44, the swing rod 45 is connected to the inside of the central seat 41 through a pin shaft, a mating gear 46 is formed on one side of the swing rod 45 facing the double-head sliding shaft 42, as shown in fig. 10, the mating gear 46 is connected to a female mating block 47, the female mating block 47 is installed on the double-head sliding shaft 42, two locking blocks 48 are installed on both side end surfaces of the mating gear 46, as shown in fig. 8, a vibrating block 49 is provided on the upper and lower side of the female mating block 47 on the double-head sliding shaft 42, the vibration block 49 corresponds to the locking lever 44, when the first push rod 33 at the lower end pushes the double-ended sliding shaft 42, the double-ended sliding shaft 42 moves upwards, at this time, the tooth grooves on the concave matching block 47 are matched with the matching gear 46, the matching gear 46 and the swing rod 45 rotate, the swing rod 45 pushes the locking lever 44 at the upper end and the lower end against the stressing rod 43, as shown in fig. 9, teeth on the inner side of the locking lever 44 are matched with teeth on the stressing rod 43, so that the inclined plane of the double-ended sliding shaft 42 at the staggered position of the thick diameter and the thin diameter starts to apply a transverse force to the locking lever 44 at the lower end, the locking lever 44 at the lower end is forced to move outwards, and simultaneously the stressing rod 43 and the supporting plate 22 are driven to expand outwards, the rubber sleeve 21 corresponding to the supporting plate 22 at the lower end is forced to be attached to the inner wall of the oil pipe more tightly, and the locking lever 44 at the upper end is similarly matched with the stressing rod 43, the rubber sleeve 21 corresponding to the upper end support plate 22 is subjected to the vibration force to vibrate and smooth the wrinkles on the upper end rubber sleeve 21, so that the service life of the rubber sleeve 21 is prolonged;
as shown in fig. 4 and 6, the detecting mechanism 3 includes a detecting sleeve 31, a hand pressing plate 32 is connected to the inner bottom surface of the detecting sleeve 31, a first push rod 33 is connected to the upper end of the hand pressing plate 32, the first push rod 33 is connected to a second push rod 34 through the first supporting frame 12, the upper end of the second push rod 34 is connected to a double-head sliding shaft 42 and penetrates through the expansion plate 24, when the bottom of the detecting sleeve 31 is subjected to positive pressure of oil pressure, the detecting sleeve 31 and the hand pressing plate 32 are pushed upwards, and when the bottom of the detecting sleeve 31 is subjected to negative pressure of the oil pressure, the detecting sleeve 31 and the hand pressing plate 32 are pulled downwards.
Further, as shown in fig. 2, the detecting sleeve 31 is installed on the lower end face of the first supporting frame 12, and the hanging bracket 11 is installed on the upper end of the limiting seat 26.
Further, as shown in fig. 4, the supporting plate 22 is an arc-shaped plate, and the supporting plate 22 is used for supporting the rubber sleeve 21.
Further, as shown in fig. 7, a groove for limiting the sliding of the locking rod 44 is formed on the center base 41, and the locking rod 44 slides in the groove of the center base 41; as shown in fig. 8, the upper and lower end surfaces of the swing lever 45 abut against the lock lever 44, the upper and lower lock levers 44 are connected by a tension spring, and the lock lever 44 is moved laterally on the double-ended slide shaft 42 in a small amount in a normal state in which the teeth of the lock lever 44 are not engaged with the teeth of the energizing lever 43.
Further, as shown in fig. 7, the double-ended sliding shaft 42 is a hollow shaft with two ends being thick and the middle being thin, the joint of the thick diameter and the thin diameter is an inclined plane, and the double-ended screw 25 is slidably connected inside the double-ended sliding shaft 42.
Further, as shown in fig. 10, the tooth socket corresponding to the mating gear 46 is formed in the groove of the concave mating block 47, the protruding portions on the two sides of the concave mating block 47 are mated with the locking block 48, after the concave mating block 47 drives the mating gear 46 and the swing rod 45 to rotate, the locking block 48 is driven to rotate to correspond to the concave mating block 47, at this time, the end surface of the locking block 48 is mated with the concave mating block 47, the tooth surface of the mating gear 46 is separated from the concave mating block 47, so that the mating of the concave mating block 47 to the locking block 48 is ensured, and the angle of the concave mating block 47 to the swing rod 45 is locked.
Further, as shown in fig. 6, the bottom surface of the hand press plate 32 is connected with the detection sleeve 31 through gluing, and the upper part of the hand press plate 32 is connected with the supporting spring on the first push rod 33.
In summary, when the plugging device is installed, the motor installed on the double-threaded screw 25 is used to rotate the rotating double-threaded screw 25, and the matching expansion plate 24 and the second support frame 23 are used to expand the two sets of second support frames 23, so that the second support frame 23 expands the support plate 22 and the rubber sleeve 21 in an umbrella shape, the rubber sleeve 21 is tightly attached to the inner wall of the oil pipe, and the plugging effect is ensured, after plugging, when the bottom of the detection sleeve 31 is subjected to positive pressure of oil pressure, the detection sleeve 31 and the hand press plate 32 are pushed upwards, when the bottom of the detection sleeve 31 is subjected to negative pressure of oil pressure, the detection sleeve 31 and the hand press plate 32 are pulled downwards, and when the detection sleeve 31 is in a positive pressure environment, the hand press plate 32 is driven to push the first push rod 33 upwards, so that the first push rod 33 pushes the double-threaded sliding shaft 42, the double-threaded sliding shaft 42 moves upwards, and at this time, the concave grooves on the matching block 47 are matched with the matching gear 46, so that the matching gear 46 and the swing rod 45 are rotated, the swing rod 45 pushes the locking rod 44 at the upper end and the lower end against the forcing rod 43, as shown in fig. 9, the teeth on the inner side of the locking rod 44 are matched with the teeth on the forcing rod 43, so that the inclined plane of the double-end sliding shaft 42 at the intersection of the thick diameter and the thin diameter starts to apply a transverse force to the locking rod 44 at the lower end, the locking rod 44 at the lower end is forced to move outwards after being pressed, and simultaneously the forcing rod 43 and the supporting plate 22 are driven to expand outwards, the rubber sleeve 21 corresponding to the supporting plate 22 at the lower end is forced to be attached to the inner wall of the oil pipe, and the locking rod 44 at the upper end is similarly matched with the forcing rod 43 and then intermittently knocked by the vibrating block 49 on the double-end sliding shaft 42, so that only the vibrating force is applied and the expanding force is not applied outwards, the rubber sleeve 21 corresponding to the supporting plate 22 at the upper end is forced to vibrate and smooth the wrinkles on the rubber sleeve 21 at the upper end, improve the life-span of rubber sleeve 21, the rubber sleeve 21 that corresponds because the downside receives main pressure impact this moment, then probably take place horizontal fold, and when the inside fluid fluctuation of oil pipe takes place the negative pressure, the rubber sleeve 21 that corresponds with the reason upside receives the leakproofness and the pressure increase of the support rubber sleeve 21 of stress application pole 43 and oil pipe, the rubber sleeve 21 that the downside corresponds receives the oscillating force and smooths the fold, and the rubber sleeve 21 that the upside corresponds this moment receives main pressure and pulls, also can take place horizontal fold, so this device adopts lower extreme pressurized increase lower extreme cooperation pressure to smooth the upper end fold simultaneously, and the upper end pressurized increase upper end cooperation pressure smooths the lower extreme fold, the power that utilizes the fluctuation of oil pipe internal pressure to provide improves the leakproofness of shutoff and utilizes power to smooth the life-span of fold improvement device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a but oil pipe of reducing is stifled ware temporarily, includes hoisting machine structure (1) that is used for installation and support, its characterized in that: the oil pipe plugging device is characterized by further comprising a plugging mechanism (2) for plugging the interior of an oil pipe, a detection mechanism (3) and a force application mechanism (4), wherein the detection mechanism (3) and the force application mechanism (4) are used for supporting and adjusting the plugging mechanism (2), the plugging mechanism (2) is installed in the middle of the hoisting mechanism (1), the detection mechanism (3) is installed at the bottom of the hoisting mechanism (1), and the force application mechanism (4) is installed on the plugging mechanism (2);
the plugging mechanism (2) comprises a rubber sleeve (21), two groups of supporting plates (22) are arranged in the rubber sleeve (21), six supporting plates (22) are arranged in each group, each group of supporting plates (22) is correspondingly installed on one group of second supporting frames (23), one end of each second supporting frame (23) is hinged to the corresponding supporting plate (22), the other end of each second supporting frame (23) is hinged to a corresponding expansion plate (24), the upper and lower groups of expansion plates (24) are connected through a double-headed screw (25), the two groups of second supporting frames (23) are fixed through a center seat (41), and the end faces of the second supporting frames (23) of the supporting plates (22) are fixed through limit seats (26);
the force application mechanism (4) comprises a double-end sliding shaft (42), the double-end sliding shaft (42) is connected to a center seat (41) in a sliding mode, the double-end sliding shaft (42) is connected with the double-end screw (25) in a penetrating mode, the upper end face and the lower end face of the center seat (41) correspond to the supporting plate (22) and are provided with an stressing rod (43), the stressing rod (43) is connected with the center seat (41) through a locking rod (44), the locking rod (44) is connected with the center seat (41) in a sliding mode, a swing rod (45) is arranged between the locking rods (44) corresponding to the center seat from top to bottom, the swing rod (45) is connected to the inside of the center seat (41) through a pin shaft, a matching gear (46) is formed on one side of the double-end sliding shaft (42) facing the swing rod (45), the matching block (47) is connected to the concave matching gear (46) in a matching mode, the concave matching block (47) is installed on the double-end sliding shaft (42), two side end faces of the matching gear (46), the upper side and the lower side of the matching block (47) is located on the double-end sliding shaft (42) and is provided with a corresponding vibration block (49);
detection mechanism (3) are including detecting cover (31), it is connected with hand board (32) to detect the inside bottom surface of cover (31), hand board (32) upper end is connected with first push rod (33), first push rod (33) run through first support frame (12) and are connected with second push rod (34), connect second push rod (34) upper end double-end sliding shaft (42) and run through expansion plate (24).
2. The variable diameter tubing temporary closure of claim 1, wherein: the detection sleeve (31) is arranged on the lower end face of the first support frame (12), and the hanging frame (11) of the hanging mechanism (1) is arranged on the upper end of the limiting seat (26).
3. The variable diameter tubing temporary closure of claim 1, wherein: the supporting plate (22) is an arc-shaped plate.
4. The variable diameter tubing hanger of claim 1, wherein: a groove for limiting the locking rod (44) to slide is formed in the central seat (41), and the locking rod (44) slides in the groove of the central seat (41); the upper end face and the lower end face of the swing rod (45) are abutted to the locking rods (44), and the upper locking rod and the lower locking rod (44) are connected through tension springs.
5. The variable diameter tubing temporary closure of claim 1, wherein: double-end sliding shaft (42) are the thin hollow shaft in the middle of the thick both ends, and thick footpath and thin footpath junction are the inclined plane, inside sliding connection double-end screw (25) of double-end sliding shaft (42).
6. The variable diameter tubing temporary closure of claim 1, wherein: tooth grooves corresponding to the matched gears (46) are formed in the grooves of the concave matching blocks (47), and protruding parts on two sides of the concave matching blocks (47) are matched with the locking blocks (48).
7. The variable diameter tubing temporary closure of claim 1, wherein: the bottom surface of the hand pressing plate (32) is connected with the detection sleeve (31) through gluing, and the upper part of the hand pressing plate (32) is positioned on the first push rod (33) and is connected with a supporting spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211429945.6A CN115653532B (en) | 2022-11-16 | 2022-11-16 | Diameter-variable temporary plugging device for oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211429945.6A CN115653532B (en) | 2022-11-16 | 2022-11-16 | Diameter-variable temporary plugging device for oil pipe |
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| Publication Number | Publication Date |
|---|---|
| CN115653532A true CN115653532A (en) | 2023-01-31 |
| CN115653532B CN115653532B (en) | 2023-03-21 |
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| CN202211429945.6A Active CN115653532B (en) | 2022-11-16 | 2022-11-16 | Diameter-variable temporary plugging device for oil pipe |
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| CN1858399A (en) * | 2006-05-27 | 2006-11-08 | 东营市创世石油测试新技术开发有限责任公司 | Electric hydraulic packer for oil pipe |
| CN102536156A (en) * | 2012-02-15 | 2012-07-04 | 甘肃铁道综合工程勘察院有限公司 | High-voltage packer for measuring ground stress of deep hole and method for manufacturing rubber sleeve of packer |
| CA2928453A1 (en) * | 2015-04-30 | 2016-10-30 | Kobold Services Inc. | Downhole sleeve assembly and sleeve actuator therefor |
| CN208885234U (en) * | 2018-10-25 | 2019-05-21 | 郭庆华 | A kind of directional well staged fracturing double envelope fracturing packers of fluid pressure type self-expanding |
| CN209293738U (en) * | 2018-12-19 | 2019-08-23 | 大庆市盛鑫通石油机械设备制造有限公司 | It is a kind of to throw stifled device |
| CN111980619A (en) * | 2019-05-24 | 2020-11-24 | 中国石油天然气股份有限公司 | Oil pipe plug |
| CN210422566U (en) * | 2019-10-09 | 2020-04-28 | 霍尔果斯弗莱瑟逆向石油科技有限公司 | Oil gas well temporary plugging reverse sieve tube |
| CN110700789A (en) * | 2019-11-12 | 2020-01-17 | 宋宝玉 | Oil field packer |
| CN110984965A (en) * | 2019-11-19 | 2020-04-10 | 四川省蜀通岩土工程公司 | Air bag type layered water pumping test system and method for drilling holes in same diameter |
| CN112127826A (en) * | 2020-10-19 | 2020-12-25 | 西京学院 | Setting and unsealing mechanism for underground sealing short section |
| CN112520228A (en) * | 2020-12-18 | 2021-03-19 | 湖南奥鑫机械有限公司 | Pipe end protector |
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| CN115653532B (en) | 2023-03-21 |
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