CN209293768U - Down-hole switch tool walking mechanism - Google Patents
Down-hole switch tool walking mechanism Download PDFInfo
- Publication number
- CN209293768U CN209293768U CN201822182057.4U CN201822182057U CN209293768U CN 209293768 U CN209293768 U CN 209293768U CN 201822182057 U CN201822182057 U CN 201822182057U CN 209293768 U CN209293768 U CN 209293768U
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- gear
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- shaft
- traveling
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Abstract
The utility model belongs to down-hole switch field of tool used in oil well production, and in particular to a kind of down-hole switch tool walking mechanism comprising traveling motor and rotation travel configuration；Traveling motor cabinet is cylinder, and traveling motor is mounted in traveling motor cabinet；Rotating travel configuration includes the first rotary body and the first travel wheel, first rotary body is cylinder, several first races are evenly equipped on its outer wall, first travel wheel is mounted in the first race by its two sides wheel shaft and its part wheel face protrudes from the first rotation external surface, and the first travel wheel on the first rotary body is installed in same tilt angle；The rotation of the first rotary body of traveling motor driven.The utility model overall structure is simple, functional reliability is high, its oil production by layer that both can be applied to horizontal well, also it can be applied to the oil production by layer of straight well or inclined shaft, and can guarantee down-hole switch tool in the automatic traveling of underground, so that it is guaranteed that the normal separate zone production work of oil well.
Description
Technical field
The utility model belongs to down-hole switch field of tool used in oil well production, and in particular to a kind of down-hole switch tool
Walking mechanism.
Background technique
There is the problem of High water cut, skeleton are loose, interlayer contradiction becomes increasingly conspicuous in late period of oil field, stratum.Low pressure
Since its production capacity of interlayer interference is suppressed, well water and phenomenon of shaking out are got worse layer.
The technical issues of in order to solve oil well pressure regulation control water or interlayer interference, realizes that oil well normally produces, usually adopts at present
Mode is separate zone production, generally to control each layer switch during separate zone production using down-hole switch tool, layering is adopted
Oil, but during separate zone production, switching tools will need to run before and after underground according to practical exploitation, and oil mining
There is straight well exploitation, also there is inclined shaft and horizontal wells.
In straight well recovery process, because switching tools can move down slowly under its own gravity, therefore certainly to it
The ability of traveling does not have excessively high requirement, but during inclined shaft and horizontal wells, and can switching tools be oil well from advancing
One of an important factor for can separate zone production be normally carried out, and current down-hole switch tool is poor from traveling ability, thus nothing
Method drives switching tools in underground even running, and then influences oil well delamination exploitation.
Utility model content
Technical problem to be solved by the utility model is: overcome deficiency in the prior art, provide one kind be able to drive it is whole
The down-hole switch tool walking mechanism that a down-hole switch tool advances and run smoothly in screen casing, makes down-hole switch tool both may be used
To be applied to the oil production by layer of horizontal well, the oil production by layer of straight well or inclined shaft also can be applied to.
Down-hole switch tool walking mechanism described in the utility model, including traveling motor and rotation travel configuration；It advances
Motor cabinet is cylinder, and traveling motor is mounted in traveling motor cabinet；Rotating travel configuration includes the first rotary body and the first row
Into wheel, the first rotary body is cylinder, and several first races are evenly equipped on outer wall, and the first travel wheel is pacified by its two sides wheel shaft
In the first race and its part wheel face protrudes from the first rotation external surface, and the first travel wheel on the first rotary body is in phase
It is installed with tilt angle；The rotation of the first rotary body of traveling motor driven.
It can be realized the horizontal movement of down-hole switch tool by walking mechanism, concrete operating principle process is as follows: working as well
When lower switch tool reaches horizontal segment, it can be realized by the walking mechanism from going through the motions forward, method is by ground staff
Manipulation, makes its operating to traveling motor power transmission, is rotated by the first rotary body of traveling motor driven, in the rotation of the first rotary body
In the process, the rubbing action because of the first travel wheel to screen casing inner tubal wall, can generate a forward towing component makes entire underground
Switching tools travel forward.
Preferably, there is power gear on the output shaft of traveling motor；Section is provided in the rear end face of first rotary body
It is uniformly distributed with teeth on the inner wall of fitting groove and form ring gear for circular fitting groove；The front end of traveling motor cabinet is fixedly mounted one
Fixing seat (the two can be connected through a screw thread), fixing seat are fixedly arranged at the front end with gear shaft, install transition gear and mistake on gear shaft
Crossing gear can rotate around gear shaft；Transition gear is engaged with power gear and ring gear simultaneously, and power gear passes through transition
Gear drives the rotation of the first rotary body.By ring gear on traveling motor, power gear, the first rotary body, gear shaft and
Transition gear collectively forms the driving power system in walking mechanism, and drives the rotation of the first rotary body, and detailed process is as follows: row
Into after motor operating, the is driven by the engagement of power gear on its output shaft of traveling motor, transition gear and ring gear
The rotation of one rotary body.
In order to ensure there is enough power, and guarantee walking mechanism traveling comfort, can in fixing seat fixed number
A gear shaft and each gear shaft are evenly arranged on the periphery of power gear, and a transition gear, each transition are respectively mounted on each gear shaft
Gear is engaged with power gear and ring gear simultaneously, and transition gears multiple in this way are simultaneously by the outputting axial power for motor of advancing
It is transmitted to ring gear, drives the rotation of the first rotary body.
The fixed form of gear shaft and fixing seat has very much, following preferred embodiment is used in the utility model: after gear shaft
End setting screw thread, corresponding teeth wheel shaft are provided with threaded mounting holes in fixing seat, and gear shaft connects by the way that screw thread and fixing seat are fixed
It connects, convenient for assembly.
It is further preferred that the first rotary body is hollow pipe, it is sleeved on the rear portion of traveling main shaft and is in traveling main shaft
It is slidably matched；Traveling main shaft is fixedly connected with fixing seat；The front of traveling main shaft is set with the second rotary body cylindrical, the
Two rotary bodies are also hollow pipe and itself and traveling main shaft is also in be slidably matched, and are evenly equipped on the tube wall of the second rotary body a number of
With the second race identical with the first race on the first rotary body of arranging, the second travel wheel is installed in the second race, second
Tilt angle after travel wheel installation is opposite with the tilt angle of the first travel wheel；It is set between first rotary body and the second rotary body
Reversing mechanism is set, the two is rotated backward by reversing mechanism realization.Because the travel wheel quantity in two rotary bodies is identical as arrangement, only
The tilt angle of installation on the contrary, therefore two rotary bodies can generate the identical onward impulse of size, but direction of rotation on the contrary, so as to
It is enough to offset the radial transport power component generated by torque, stablize down-hole switch tool overall operation.
Still more preferably, reversing mechanism includes that housing and the processing in housing cylindrical are revolved first
It turns the first tapered gear of front end, process the second tapered gear and two tapered transition gears in the second rotary body rear end；
It is threaded hole in the middle part of traveling main shaft, is symmetrically installed a bevel gear mandrel, two tapered transition gears point in threaded hole two sides
It is not mounted on the cone pulley mandrel of two sides and can be rotated around corresponding cone pulley mandrel, each tapered transition gear is with
One tapered gear, the second tapered gear intermeshing；Coat suit is on traveling axis and is assemblied in the first rotary body and second
Between rotary body, the front end of traveling axis has screw thread and is connected through a screw thread a top cap.In this preferred embodiment, the of rotation
One rotary body passes through the engagement and tapered transition gear of the first tapered gear of its front end and tapered transition gear and the
The engagement of second tapered gear of two rotary body rear ends is able to drive the reverse rotation of the second rotary body, that is, passes through reversing machine
Structure can be realized rotating backward for the first rotary body and the second rotary body.
When actual fabrication, both traveling main shaft and fixing seat can be directly used integral forming process production and be integrated, shape
It is machined at walking mechanism axis, while on walking mechanism axis for assembling gear axis, power gear, gear shaft and transition
The pilot hole of gear.
Preferably, several righting races, corresponding each righting race radially are uniformly arranged in the periphery of traveling motor cabinet
One righting wheel is set, and righting wheel is installed in righting race and can be rotated around righting wheel shaft, the portion of righting wheel by righting wheel shaft
Minute wheel face protrudes from traveling motor cabinet outer surface.
Possessed beneficial effect is the utility model compared with prior art:
The utility model overall structure is simple, functional reliability is high, both can be applied to the oil production by layer of horizontal well,
Can be applied to the oil production by layer of straight well or inclined shaft, and can guarantee down-hole switch tool in the automatic traveling of underground, thus
Ensure the normal separate zone production work of oil well；In the utility model, because the travel wheel quantity in two rotary bodies is identical as arrangement, only pacifies
The tilt angle of dress on the contrary, therefore two rotary bodies can generate the identical onward impulse of size, but direction of rotation on the contrary, so as to
The radial transport power component generated by torque is offset, is further ensured that the stable operation of down-hole switch tool.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of driving power system in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the first rotary body；
Fig. 4 is the structural schematic diagram of the second rotary body；
Fig. 5 is the partial enlarged view at the position I in Fig. 1；
Fig. 6 is the structural schematic diagram of walking mechanism axis.
In figure: 1- comes directly towards cap；The second rotary body of 2-；The second travel wheel of 3-；4- reversing mechanism；The first rotary body of 5-；6-
One travel wheel；7- walking mechanism axis；8- righting wheel；9- traveling motor；10- traveling motor cabinet；The power electric of 11- traveling motor
Source line；The output shaft of 12- traveling motor；13- power gear；14- transition gear；15- gear shaft；16- ring gear；17- assembly
Slot；
The tapered gear of 4.1- first；The tapered gear of 4.2- second；The tapered transition gear of 4.3-；4.4- bevel gear mandrel；
4.5- housing；
7.1- fixing seat；7.2- traveling main shaft；7.3- threaded mounting holes；7.4- threaded hole.
Specific embodiment
The embodiments of the present invention are described further with reference to the accompanying drawing:
As shown in Figs. 1-5, down-hole switch tool walking mechanism described in the utility model includes traveling motor 9 and rotation row
Into structure；Traveling motor cabinet 10 is cylinder, and traveling motor 9 is mounted in traveling motor cabinet 10, the output shaft 12 of traveling motor
It is upper that there is power gear 13.Radially several righting races, corresponding each righting are uniformly arranged in the periphery of traveling motor cabinet 10
A righting wheel 8 is arranged in race, and righting wheel 8 is installed in righting race and can be rotated around righting wheel shaft, righting by righting wheel shaft
The part wheel face of wheel 8 protrudes from 10 outer surface of traveling motor cabinet.
Rotation travel configuration in the present embodiment includes the first rotary body 5, the second rotary body 2, reversing mechanism 4, fixing seat
7.1 and traveling main shaft 7.2.Specific constructive form is as follows:
First rotary body 5, the second rotary body 2 are cylinder type hollow pipe, after the two is set in traveling main shaft 7.2
Portion, front and with traveling main shaft 7.2 in being slidably matched.
The rear end of first rotary body 5 has fitting groove 17, uniformly distributed with teeth on the inner wall of fitting groove 17 and form ring gear 16,
The front end of traveling motor cabinet 10 is connected through a screw thread mode and installs a fixing seat 7.1；Fixing seat 7.1 is fixedly arranged at the front end with two gears
Axis 15, two gear shafts 15 are symmetrically distributed in 13 two sides of power gear, install transition gear 14 and transition gear 14 on gear shaft 15
Can be rotated around gear shaft 15, transition gear 14 simultaneously on the output shaft 12 of traveling motor power gear 13 and first rotation
The ring gear 16 for turning 5 rear ends engages.In the present embodiment, both two gear shafts 15 and fixing seat 7.1 are fixed in the following ways:
Screw thread is set in two gear shafts, 15 rear end, and corresponding teeth wheel shaft 15 is symmetrical arranged two threaded mounting holes 7.3 in fixing seat 7.1,
Gear shaft 15 is set to pass through screw thread and 7.1 fixing assembling of fixing seat.By on traveling motor 9, power gear 13, the first rotary body 5
Ring gear 16, gear shaft 15 and transition gear 14 collectively form the driving power system in walking mechanism, and drive first
Rotary body 5 rotates, and detailed process is as follows: after traveling motor 9 operates, by power gear 13 on its output shaft of traveling motor 9,
The engagement of transition gear 14 and ring gear 16 come drive the first rotary body 5 rotate.
Several first races are evenly equipped on the outer wall of first rotary body 5, the first travel wheel 6 is mounted on by its two sides wheel shaft
In first race and its part wheel face protrudes from 5 outer surface of the first rotary body, and the first travel wheel 6 on the first rotary body 5 is in phase
It is installed with tilt angle, to after 9 power transmission of traveling motor, the first rotary body 5 is rotated, in the first travel wheel 6 and screen casing of periphery
Tube wall rubs, and generates forward towing component, makes entire down-hole switch tool can in horizontal well and Vertical Well
It travels forward.
It is identical as the first race on the first rotary body 5 that a number of and arrangement is evenly equipped on the tube wall of second rotary body 2
The second race, the second travel wheel 3 is installed, the tilt angle after the installation of the second travel wheel 3 is advanced with first in second race
The tilt angle of wheel 6 is opposite.
Reversing mechanism 4 is set between first rotary body 5 and the second rotary body 2, and the two realizes reversed turn by reversing mechanism 4
It is dynamic.The specific structure of reversing mechanism 4 in the present embodiment is as follows: it includes housing 4.5 cylindrical and is located at housing 4.5
Interior processing 5 front end of the first rotary body the first tapered gear 4.1, processing 2 rear end of the second rotary body the second tapered teeth
Wheel 4.2 and two tapered transition gears 4.3；Traveling main shaft 7.2 is fixedly connected with fixing seat 7.1, the traveling master in the present embodiment
Both axis 7.2 and fixing seat 7.1 directly adopt integral forming process production and are integrated, and form walking mechanism axis 7, and advancing
It is machined with the pilot hole for assembling gear axis 15, power gear 13, gear shaft 15 and transition gear 14 on mechanism axis 7, has
Body structure is as shown in Figure 6；The middle part of traveling main shaft 7.2 is threaded hole 7.4, is symmetrically installed a cone in 7.4 two sides of threaded hole
Gear mandrel 4.4, two tapered transition gears 4.3 are separately mounted on the cone pulley mandrel of two sides and can be around corresponding cone pulleys
Mandrel rotation, each tapered transition gear 4.3 are intermeshed with the first tapered gear 4.1, the second tapered gear 4.2；Housing
4.5 are sleeved on traveling axis and are assemblied between the first rotary body 5 and the second rotary body 2, and the front end of traveling axis has spiral shell
Line and it is connected through a screw thread a top cap 1.
In this walking mechanism, the first rotary body 5 of rotation passes through the first tapered gear 4.1 of its front end and tapered transition
The engagement of gear 4.3 and tapered transition gear 4.3 are engaged with the second tapered gear 4.2 of 2 rear end of the second rotary body
Effect is able to drive the reverse rotation of the second rotary body 2, i.e., can be realized the first rotary body 5 and the second rotation by reversing mechanism 4
Body 2 rotates backward, because the travel wheel quantity in two rotary bodies is identical as arrangement, tilt angle that only install is on the contrary, therefore two
Rotary body can generate the identical onward impulse of size, but direction of rotation is on the contrary, so as to offset the radial fortune generated by torque
Force component stablizes down-hole switch tool overall operation.
Claims (8)
1. a kind of down-hole switch tool walking mechanism, it is characterised in that: including traveling motor (9) and rotation travel configuration；It advances
Motor cabinet (10) is cylinder, and traveling motor (9) is mounted in traveling motor cabinet (10)；Rotating travel configuration includes the first rotation
Body (5) and the first travel wheel (6), the first rotary body (5) are cylinder, are evenly equipped with several first races, the first row on outer wall
It is mounted in the first race into wheel (6) by its two sides wheel shaft and its part wheel face protrudes from the first rotary body (5) outer surface, the
The first travel wheel (6) on one rotary body (5) is installed in same tilt angle；Traveling motor (9) drives the first rotary body (5) to turn
It is dynamic.
2. down-hole switch tool walking mechanism according to claim 1, it is characterised in that: the output shaft (12) of traveling motor
It is upper that there are power gear (13)；It is circular fitting groove (17), fitting groove that section is provided in the rear end face of first rotary body (5)
(17) it is evenly distributed with teeth on inner wall and forms ring gear (16)；A fixing seat is fixedly mounted in the front end of traveling motor cabinet (10)
(7.1), fixing seat (7.1) is fixedly arranged at the front end with gear shaft (15), and transition gear (14) and transition tooth are installed on gear shaft (15)
Wheel (14) can be rotated around gear shaft (15)；Transition gear (14) is engaged with power gear (13) and ring gear (16) simultaneously,
Power gear (13) drives the first rotary body (5) rotation by transition gear (14).
3. down-hole switch tool walking mechanism according to claim 2, it is characterised in that: fixed number in fixing seat (7.1)
A gear shaft (15) and each gear shaft (15) are evenly arranged on the periphery of power gear (13), are respectively mounted one on each gear shaft (15)
Transition gear (14), each transition gear (14) are engaged with power gear (13) and ring gear (16) simultaneously.
4. down-hole switch tool walking mechanism according to claim 3, it is characterised in that: spiral shell is arranged in gear shaft (15) rear end
Line, corresponding teeth wheel shaft (15) are provided with threaded mounting holes (7.3) on fixing seat (7.1), and gear shaft (15) is by screw thread and admittedly
Reservation (7.1) is fixedly connected.
5. down-hole switch tool walking mechanism according to claim 2, it is characterised in that: the first rotary body (5) is hollow
Pipe is sleeved on the rear portion of traveling main shaft (7.2) and is in be slidably matched with traveling main shaft (7.2)；Traveling main shaft (7.2) and fixation
Seat (7.1) is fixedly connected；The front of traveling main shaft (7.2) is set with the second rotary body (2) cylindrical, the second rotary body
(2) also for hollow pipe and its with traveling main shaft (7.2) also in being slidably matched, be evenly equipped on the tube wall of the second rotary body (2) several
Quantity and the second race identical with the first race on the first rotary body (5) of arranging are equipped with the second traveling in the second race
It takes turns (3), the tilt angle after the second travel wheel (3) installation is opposite with the tilt angle of the first travel wheel (6)；First rotary body
(5) reversing mechanism (4) are set between the second rotary body (2), the two is realized by reversing mechanism (4) and rotated backward.
6. down-hole switch tool walking mechanism according to claim 5, it is characterised in that: reversing mechanism (4) includes in circle
Cylindrical housing (4.5) and be located at housing (4.5) in processing the first rotary body (5) front end the first tapered gear
(4.1), the second tapered gear (4.2) and two tapered transition gears (4.3) in the second rotary body (2) rear end are processed；It advances
It is threaded hole (7.4) in the middle part of main shaft (7.2), is symmetrically installed a bevel gear mandrel (4.4) in threaded hole (7.4) two sides,
Two tapered transition gears (4.3) are separately mounted on the cone pulley mandrel of two sides and can rotate around corresponding cone pulley mandrel,
Each tapered transition gear (4.3) is intermeshed with the first tapered gear (4.1), the second tapered gear (4.2)；Housing
(4.5) it is sleeved on traveling axis and is assemblied between the first rotary body (5) and the second rotary body (2), the front end of traveling axis
With screw thread and it is connected through a screw thread a top cap (1).
7. any down-hole switch tool walking mechanism according to claim 1~6, it is characterised in that: be radially expert at
Several righting races, corresponding each righting race setting one righting wheel (8), righting wheel are uniformly arranged into the periphery of motor cabinet (10)
(8) it installs in righting race and can be rotated around righting wheel shaft by righting wheel shaft, the part wheel face of righting wheel (8) protrudes from row
Into motor cabinet (10) outer surface.
8. down-hole switch tool walking mechanism according to claim 5 or 6, it is characterised in that: traveling main shaft (7.2) and solid
Both reservation (7.1) are integrated using integral forming process production, are formed walking mechanism axis (7), on walking mechanism axis (7)
It is machined with the pilot hole for assembling gear axis, power gear, gear shaft and transition gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822182057.4U CN209293768U (en) | 2018-12-24 | 2018-12-24 | Down-hole switch tool walking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822182057.4U CN209293768U (en) | 2018-12-24 | 2018-12-24 | Down-hole switch tool walking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293768U true CN209293768U (en) | 2019-08-23 |
Family
ID=67648296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822182057.4U Expired - Fee Related CN209293768U (en) | 2018-12-24 | 2018-12-24 | Down-hole switch tool walking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293768U (en) |
-
2018
- 2018-12-24 CN CN201822182057.4U patent/CN209293768U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |