CN220469859U - Back-off device for oil well - Google Patents
Back-off device for oil well Download PDFInfo
- Publication number
- CN220469859U CN220469859U CN202321941549.1U CN202321941549U CN220469859U CN 220469859 U CN220469859 U CN 220469859U CN 202321941549 U CN202321941549 U CN 202321941549U CN 220469859 U CN220469859 U CN 220469859U
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- Prior art keywords
- gear
- guide
- guide rail
- oil well
- self
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- 239000003129 oil well Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
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Abstract
The utility model discloses an oil well back-off device, which belongs to the technical field of oil well machinery and comprises an outer cylinder, wherein a first guide gear is meshed with a second guide gear, the second guide gear is sleeved on a four-groove spline, a first five-tooth gear is fixedly connected to the four-groove spline, the top of the first five-tooth gear is meshed with a second five-tooth gear, the second five-tooth gear is connected with the second guide gear through a groove, a spring is arranged between the second five-tooth gear and the second guide gear, a flat bearing is fixedly connected in an outer sleeve of a gear guide shaft, the first guide gear, the second guide gear, the first five-tooth gear and the second five-tooth gear are arranged between the flat bearing and the lower end of the outer cylinder of a guide rail, and a back-off shaft is arranged at the bottom end of a self-steering shaft. The beneficial effects are that: the novel technology can improve the flexibility of construction operation to a certain extent, reduce the construction cost of connecting oil pipe operation, further save time and greatly improve the implementation effects of health, safety and environmental management systems.
Description
Technical Field
The utility model belongs to the technical field of oil well machinery, and particularly relates to an inverted buckle for an oil well.
Background
In recent years, with the continuous application development of new technology and new technology, the technology of the fishing technology of the underground operation is also greatly developed, and at present, the fishing operation is generally carried out by adopting the technology of connecting a drill pipe with the oil pipe to go deep into the underground operation, but with the increase of fishing tools of the underground operation, the safety of the underground fishing operation is also reduced, and the problem is solved by providing an inverted buckle for the oil well, so that the purpose of multiple fishing operations is realized while the safety and the stability of the underground fishing operation are ensured.
Disclosure of Invention
The technical problem to be solved by the utility model is to solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an oil well is with back-off ware, includes the urceolus, the urceolus includes fixed urceolus, stroke urceolus, guide rail urceolus, gear direction overcoat and gear direction axle overcoat, fixed urceolus, stroke urceolus, guide rail urceolus, gear direction overcoat and gear direction axle overcoat threaded connection in proper order, be provided with the lift power axle in the fixed urceolus, the lower extreme threaded connection who lifts the power axle has the self-steering rail, the inside sliding connection who self-steering rail has the self-steering axle, the lower extreme fixedly connected with first guide gear of self-steering axle, first guide gear meshing second guide gear, the second guide gear cup joints on four-slot spline, fixedly connected with first five-tooth gear on the four-slot spline, the top meshing second five-tooth gear of first five-tooth gear, be provided with spring coupling through the recess between second five-tooth gear and the second guide gear, fixedly connected with plain bearing in the gear direction axle overcoat, first guide gear, second guide gear, fifth-tooth gear and second five-tooth gear set up are provided with the plain bearing between the lower extreme of self-steering axle, the bottom of self-steering axle sets up.
The water hole channels are formed in the lifting power shaft, the back-off shaft and the first guide gear.
The middle part of the lifting power shaft is provided with a water outlet, the inner bottom of the lifting power shaft is provided with a ball seat, and a plugging ball is arranged in the ball seat.
The novel anti-skid pipe sleeve is characterized in that eight pipe sleeve fixing columns are arranged on the fixed outer barrel and movably connected with the fixed outer barrel through a spring piece, the spring piece is a round sheet, the spring piece is made of spring steel, a base is fixedly connected to the bottom of the spring piece, and anti-skid lines are arranged on the top end of the pipe sleeve fixing columns.
The inner threads are formed in the two ends of the guide rail outer cylinder, the clamping grooves are formed in one end of the guide rail outer cylinder, clamping blocks are arranged at one end of the outer portion of the self-steering guide rail, the guide rail outer cylinder and the self-steering guide rail are connected with the clamping blocks in a clamping mode through the clamping grooves, the inner threads are formed in the two ends of the inner portion of the guide rail outer cylinder, and the number of the clamping blocks is four.
The self-steering shaft is a spiral stripe, the inner wall of the self-steering guide rail is provided with five sliding grooves matched with the self-steering shaft, and the guide rails of the sliding grooves are five.
The upper end of the stroke outer cylinder is provided with internal threads, the lower end of the stroke outer cylinder is provided with external threads, and the top end of the lifting power shaft is fixedly connected with a pipe hoop.
The upper end and the lower end of the fixed outer cylinder are respectively provided with a pressurizing O-shaped ring, the inner rings of the second five-tooth gear and the second guide gear are respectively provided with a convex block, the second five-tooth gear and the second guide gear are respectively sleeved with four-groove spline, and the four-groove spline is provided with a chute matched with the convex block.
Compared with the prior art, the utility model has the following beneficial effects:
when the device is used, the suitable female cone or male cone is installed on the back-off shaft for salvaging, the whole device is lifted by the crane to go deep into an oil well, when the female cone or male cone is aligned to an oil pipe or a drill rod, the device is lifted and discharged by the crane in a reciprocating manner, in the process, due to the dead weight of the device, the external vertical stroke is not rotated when the device is lifted or discharged, the lifting power shaft moves up and down along the sliding groove inside the self-rotating guide rail to drive the first guide gear to rotate along the gear teeth, the spring is arranged between the second five-tooth gear and the second guide gear, the spring can generate elastic force after being compressed, the distance between the second five-tooth gear and the second guide gear is kept, and the gear teeth of the first guide gear and the second guide gear are staggered or meshed with each other, so that torque force is generated, the female cone or the male cone rotates under the action of the torque force, so that the pipeline in the oil well or the threaded connection on the drill rod and the female cone or the male cone is completed, the crane is lifted integrally after the back-off operation is completed, the novel technology can improve the flexibility of construction operation to a certain extent, reduce the connection oil pipe operation time, further improve the health management effect, and the safety and the implementation cost.
Drawings
Fig. 1 is a schematic view of the external structure of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a fixed outer tub according to an embodiment of the present utility model.
Fig. 4 is a schematic view of the structure of the gear guide shaft housing according to the embodiment of the present utility model.
FIG. 5 is a schematic view of the structure of the outer cylinder of the routine of the present utility model.
Fig. 6 is a schematic diagram of a cross-sectional structure outside the guide rail according to an embodiment of the present utility model.
Fig. 7 is a schematic top view of a steering rail according to an embodiment of the present utility model.
Fig. 8 is a schematic structural view of a four-groove spline according to an embodiment of the present utility model.
Fig. 9 is a schematic view of the structure of a gear guide housing according to an embodiment of the present utility model.
Fig. 10 is a schematic structural view of a pipe sleeve fixing column according to an embodiment of the present utility model.
Figure number and name: the automatic steering device comprises a fixed outer cylinder 1, a travel outer cylinder 2, a guide rail outer cylinder 3, a gear guide shaft outer sleeve 4, an upward lifting power shaft 5, a self-steering rail 6, a self-steering shaft 7, a first guide gear 8, a second guide gear 9, a four-groove spline 10, a first five-tooth gear 11, a second five-tooth gear 12, a spring 13, a flat bearing 14, a back-off shaft 15, a water hole channel 16, a water outlet hole 17, a ball seat 18, a blocking ball 19, a pipe sleeve fixing column 20, a clamping groove 21, a clamping block 22, a sliding groove 23, a pipe hoop 24, a pressurizing O-shaped ring 25, a spring piece 26, a gear guide outer sleeve 27 and a base 28.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1-10, the utility model provides an oil well reversing device, which comprises an outer barrel, the outer barrel comprises a fixed outer barrel 1, a travel outer barrel 2, a guide rail outer barrel 3, a gear guide outer sleeve 27 and a gear guide shaft outer sleeve 4, the fixed outer barrel 1, the travel outer barrel 2, the guide rail outer barrel 3, the gear guide outer sleeve 27 and the gear guide shaft outer sleeve 4 are sequentially connected in a threaded manner, an upward lifting power shaft 5 is arranged in the fixed outer barrel 1, the lower end of the upward lifting power shaft 5 is in threaded connection with a self-steering shaft 7, the lower end of the self-steering shaft 7 is fixedly connected with a first guide gear 8, the first guide gear 8 is meshed with a second guide gear 9, the second guide gear 9 is sleeved on a four-groove spline 10, a first five-tooth gear 11 is fixedly connected on the four-groove spline 10, the top of the first five-tooth gear 11 is meshed with a second five-tooth gear 12, a spring sleeve 13 is arranged between the second five-tooth gear 12 and the second guide gear 9, the lower end of the upward lifting power shaft 5 is in threaded connection with a self-steering shaft 6, a first guide gear 18 is fixedly connected with the lower end of the self-steering shaft 7, a second guide gear 19 is fixedly connected with a ball seat 18 on the inner sleeve 5, a water outlet seat 18 is arranged on the bottom end of the water ball seat 5, a water outlet seat 18 is fixedly arranged on the water outlet shaft 5, a bottom end of the water outlet shaft 18 is fixedly connected with the water outlet shaft 18, a ball seat 18 is arranged on the water outlet shaft 18, and the water outlet seat is provided with a bottom end of the water outlet shaft 18, and the water outlet shaft is provided with a bottom end of the water inlet, and the water outlet is provided with a water inlet, and the water outlet is provided. The pipe sleeve fixed column 20 is movably connected with the fixed outer cylinder 1 through a spring piece 26, the spring piece 26 is a round sheet, the spring piece 26 is made of spring steel, a base 28 is fixedly connected to the bottom of the spring piece 26, anti-skidding threads are arranged at the top end of the pipe sleeve fixed column 20, internal threads are formed in the inner parts of two ends of the guide rail outer cylinder 3, a clamping groove 21 is formed in the inner part of one end of the guide rail outer cylinder 3, a clamping block 22 is arranged at one end of the outer part of the self-rotating guide rail 6, the guide rail outer cylinder 3 and the self-rotating guide rail 6 are clamped through the clamping groove 21 and the clamping block 22, internal threads are arranged at two ends of the inner part of the guide rail outer cylinder 3, the self-rotating guide shaft 7 is in spiral stripes, sliding grooves 23 are formed in the inner wall of the self-rotating guide rail 6, internal threads are formed in the upper end of the guide rail outer cylinder 2, external threads are formed in the lower end of the guide rail outer cylinder 2, a pipe hoop 24 is fixedly connected to the top end of the self-rotating guide rail outer cylinder 6, the upper end of the guide rail outer cylinder 1 is provided with internal threads, the upper end of the self-rotating guide rail outer cylinder 2 is provided with a fourth power ring 10, the second power ring 10 is matched with a fifth gear 10, and a fifth gear 10 is matched with a fifth gear, and a fifth gear 10.
When the device is used, a female cone or a male cone suitable for salvaging is arranged on the back-off shaft 15, the device is wholly lifted by a crane to go deep into an oil well, and when the female cone or the male cone is aligned with an oil pipe or a drill rod, a plugging ball 19 is put into the device, so that the plugging ball 19 falls into a ball seat 18 to prevent pressure relief; starting to press to enable the pipe sleeve fixing column 20 to extend out of the outer fixing cylinder 1, so that the whole device is fixed, and the pressing pressure is 5-10MPa; and the crane is used for reciprocating lifting and lowering, in the process, the external upper and lower strokes do not rotate due to the dead weight of the device when lifting or lowering, the lifting power shaft 5 moves up and down along the sliding groove 23 in the self-rotating guide rail 6 to drive the first guide gear 8 to rotate along gear teeth, the spring 13 is arranged between the second five-tooth gear 12 and the second guide gear 9, the spring 13 can generate elastic force after being compressed, the distance between the second five-tooth gear 12 and the second guide gear 9 is kept, the gear teeth of the first guide gear 11 and the second guide gear 12 are staggered or meshed with each other, thereby generating torque force to enable a female cone or a male cone to rotate under the action of the torque force, so that the crane is used for integrally lifting after the reversing is completed on a pipeline in an oil well or a drill rod is connected with the female cone or the male cone.
Eight sleeve fixing columns 20 are arranged, and six sleeve fixing columns are combined with the fixing outer cylinder 1 to prevent rotation; the two lowest parts play a role in up-and-down floating positioning.
The construction can be assisted by using the original well pipe column, so that the construction cost is saved.
The foregoing has outlined the detailed description of the embodiments of the present utility model, and the detailed description of the embodiments and the embodiments of the present utility model has been provided herein by way of illustration of specific examples, which are intended to be merely illustrative of the principles of the embodiments of the present utility model.
Claims (8)
1. The utility model provides an oil well is with back-off ware, includes the urceolus, the urceolus includes fixed urceolus (1), stroke urceolus (2), guide rail urceolus (3), gear direction overcoat (27) and gear direction axle overcoat (4), its characterized in that: the utility model discloses a gear guide device, including fixed urceolus (1), stroke urceolus (2), guide rail urceolus (3), gear guide overcoat (27) and gear guide axle overcoat (4) threaded connection in proper order, be provided with in fixed urceolus (1) and carry power shaft (5) upward, the lower extreme threaded connection who carries power shaft (5) has rotation guide rail (6), the inside sliding connection who turns to guide rail (6) has rotation guide axle (7), the lower extreme fixedly connected with first guiding gear (8) of rotation guide axle (7), first guiding gear (8) meshing second guiding gear (9), second guiding gear (9) cup joint on four groove spline (10), fixedly connected with first five tooth gear (11) on four groove spline (10), the top meshing second five tooth gear (12) of first five tooth gear (11), be provided with spring (13) between second five tooth gear (12) and the second guiding gear (9), gear (4) internal fixedly connected with first guiding gear (8), fifth tooth (14) and fifth gear (12) are provided with between flat gear (14) and fifth gear (11), the bottom of the self-steering shaft (7) is provided with a back-off shaft (15).
2. The back-off device for oil well according to claim 1, wherein: the water hole channels (16) are formed in the lifting power shaft (5), the back-off shaft (15) and the first guide gear (8).
3. The back-off device for oil well according to claim 2, wherein: the middle part of the lifting power shaft (5) is provided with a water outlet hole (17), the inner bottom of the lifting power shaft (5) is provided with a ball seat (18), and a plugging ball (19) is arranged in the ball seat (18).
4. A back-off for an oil well according to claim 3, wherein: the novel anti-skid pipe sleeve is characterized in that eight pipe sleeve fixing columns (20) are arranged on the fixing outer barrel (1), the pipe sleeve fixing columns (20) are movably connected with the fixing outer barrel (1) through spring pieces (26), the spring pieces (26) are round thin pieces, the spring pieces (26) are made of spring steel, bases (28) are fixedly connected to the bottoms of the spring pieces (26), and anti-skid patterns are arranged on the tops of the pipe sleeve fixing columns (20).
5. The back-off device for oil well according to claim 4, wherein: the novel self-steering guide rail is characterized in that internal threads are formed in the two ends of the guide rail outer cylinder (3), clamping grooves (21) are formed in one end of the guide rail outer cylinder (3), clamping blocks (22) are arranged at one end of the outer portion of the self-steering guide rail (6), the guide rail outer cylinder (3) and the self-steering guide rail (6) are connected with the clamping blocks (22) in a clamping mode through the clamping grooves (21), internal threads are formed in the two ends of the inner portion of the guide rail outer cylinder (3), and the number of the clamping blocks (22) is four.
6. The back-off device for oil well according to claim 5, wherein: the self-steering shaft (7) is a spiral stripe, the inner wall of the self-steering guide rail (6) is provided with five sliding grooves (23) which are matched with the self-steering shaft (7), and the number of the guide rails of the sliding grooves (23) is five.
7. The back-off device for oil well according to claim 6, wherein: the upper end of the stroke outer cylinder (2) is provided with internal threads, the lower end of the stroke outer cylinder (2) is provided with external threads, and the top end of the lifting power shaft (5) is fixedly connected with a pipe hoop (24).
8. The back-off device for oil well according to claim 7, wherein: the fixed urceolus (1) upper and lower extreme all is provided with pressurization O type circle (25) the inner circle of second five-tooth gear (12) and second guiding gear (9) all is provided with the lug, and second five-tooth gear (12) and second guiding gear (9) all cup joint with four groove spline (10), be provided with the chute with lug looks adaptation on four groove spline (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941549.1U CN220469859U (en) | 2023-07-21 | 2023-07-21 | Back-off device for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941549.1U CN220469859U (en) | 2023-07-21 | 2023-07-21 | Back-off device for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220469859U true CN220469859U (en) | 2024-02-09 |
Family
ID=89805261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321941549.1U Active CN220469859U (en) | 2023-07-21 | 2023-07-21 | Back-off device for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220469859U (en) |
-
2023
- 2023-07-21 CN CN202321941549.1U patent/CN220469859U/en active Active
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