CN107435536B - Transmission clutch mechanism with detection function and method - Google Patents
Transmission clutch mechanism with detection function and method Download PDFInfo
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- CN107435536B CN107435536B CN201710814970.9A CN201710814970A CN107435536B CN 107435536 B CN107435536 B CN 107435536B CN 201710814970 A CN201710814970 A CN 201710814970A CN 107435536 B CN107435536 B CN 107435536B
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- arm
- butt joint
- detection sensor
- transmission
- magnetic
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
Abstract
The invention provides a transmission clutch mechanism with a detection function and a method thereof, wherein the transmission clutch mechanism comprises a motor output rotating shaft, the motor output rotating shaft is fixed on a left frame body through a support bearing assembly, a dynamic seal assembly and a fixed joint, a butt joint support arm assembly is fixed on a right frame body, the motor output rotating shaft penetrates through the transmission clutch cam assembly and the inside of the butt joint support arm assembly, the left end of the transmission clutch cam assembly is stopped in a left frame body cavity, the right end of the transmission clutch cam assembly is clamped and stopped together by the butt joint support arm, and the transmission clutch mechanism triggers the combination and separation of internal transmission of the transmission clutch mechanism by utilizing the axial movement action of the butt joint support arm assembly on the right frame body, so that the functions of opening and closing actions of the support arm or the non-action of the butt joint support arm are realized. The invention can effectively realize the opening and the withdrawing actions of the butt joint supporting arm of the adjustable downhole instrument, the butt joint action with the water distributor, the forward adjustment and the reverse adjustment of the water distributor after the butt joint, and the judgment of the adjustment quantity.
Description
Technical Field
The invention belongs to the technical field of underground instrument structures for oil fields, and particularly relates to a transmission clutch mechanism with a detection function and a transmission clutch method.
Background
With the continuous popularization of the adjustable water distribution (injection) process of the oilfield water injection well, the matched adjustable downhole instrument is required to complete the following actions, the adjustable downhole instrument is firstly unfolded to dock the supporting arm before docking and positioning, then the downhole instrument is lowered to dock and position with the downhole water distributor, and the downhole instrument is required to adjust the forward or reverse rotation of an adjustable mechanism in the water distributor after docking and positioning, so that the adjustment of the size of a water outlet of the downhole water distributor is realized, and the flow and the pressure meet the requirements of the water distribution process. The adjustable downhole instrument has the advantages that the opening and the retracting actions of the butt joint supporting arm, the butt joint actions of the adjustable downhole instrument and the water distributor, the forward adjustment and the reverse adjustment of the water distributor after the butt joint, and the judgment of the adjustment quantity often cannot be effectively detected, so that operators can judge various posture information of the downhole instrument only according to methods such as current, voltage and experience of the downhole instrument, and the working efficiency is greatly reduced or the test is failed.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a transmission clutch mechanism with a detection function and a method thereof.
The technical scheme of the invention is as follows: the transmission clutch mechanism with the detection function comprises a motor output rotating shaft, wherein the motor output rotating shaft is fixed in a left frame body through a support bearing, a dynamic seal assembly and a fixed joint and used for outputting rotating moment, the left frame body is connected with a right frame body, a butt joint support arm assembly is arranged on the right frame body, and the motor output rotating shaft penetrates through the transmission clutch cam assembly and the inside of the butt joint support arm assembly; the transmission clutch cam assembly is arranged in the left frame body and the right frame body, wherein the left end of the transmission clutch cam assembly is stopped in the left frame body cavity, the right end of the transmission clutch cam assembly is clamped in the butt joint support arm assembly, and the transmission clutch mechanism with the detection function triggers the combination of the transmission inside the transmission clutch cam assembly by utilizing the axial movement action of the butt joint support arm assembly on the right frame body so as to realize the opening and closing actions of the butt joint support arm assembly driven by the motor output rotating shaft; the transmission clutch mechanism with the detection function utilizes the axial movement action of the butt joint support arm assembly on the right frame body to trigger the separation of the transmission inside the transmission clutch cam assembly, and when the motor output rotating shaft rotates, the butt joint support arm assembly does not realize the opening and closing actions; the left frame body is provided with a butt joint magnetic detection sensor, a receiving arm magnetic detection sensor and an expanding arm magnetic detection sensor, wherein the receiving arm magnetic detection sensor and the expanding arm magnetic detection sensor are distributed on the same radial section of the left frame body, and an included angle between the receiving arm magnetic detection sensor and a vertical connecting line of the axis of the left frame body is 85-95 degrees; the butt joint magnetic detection sensor, the tension arm magnetic detection sensor and the butt joint support arm of the butt joint support arm assembly are positioned on the same axial section; the left end of the transmission clutch cam assembly is also provided with a first arm-stretching magnetic steel and a second arm-stretching magnetic steel which are respectively corresponding to the butt joint magnetic detection sensor, the arm-stretching magnetic detection sensor and the arm-stretching magnetic detection sensor.
The left frame body is provided with a butt joint magnetic detection sensor, a receiving arm magnetic detection sensor and an opening magnetic detection sensor which are distributed on the same radial section of the left frame body; the left end of the transmission clutch cam assembly is also provided with opening magnetic steel corresponding to the opening magnetic detection sensor.
Above-mentioned aperture magnetism detection sensor, butt joint magnetism detection sensor, receipts arm magnetism detection sensor, the mounting point that opens arm magnetism detection sensor all set up to rectangular shape plane, and each magnetism detection sensor is placed on corresponding rectangular shape plane, and its response magnetic field face all is towards the center of its radial cross-section that locates, and the sensor clamp plate is fixed on right support body with the apron set screw after pressing each magnetism detection sensor again.
The left frame body and the right frame body are fixed by using an anti-rotation assembly after being connected through threads, the anti-rotation assembly structure comprises a dovetail groove which is formed in the surface of the right frame body, a channel which is communicated with the inside of the right frame body is formed in the bottom of the dovetail groove, an anti-rotation key is inserted in the channel and connected with a pin, a pin spring is sleeved on the pin, a pin cover is connected in the dovetail groove in a sliding manner, and the pin is tightly propped against a concave hole formed in the lower surface of the pin cover; the left frame body is provided with a sand discharge hole for discharging sewage or dirt in the ground cleaning mechanism during butt joint positioning.
The clutch cam assembly comprises a clutch outer sleeve, a first clutch transmission spring, a clutch transmission block, opening magnetic steel, a clutch transmission sleeve, a first opening arm magnetic steel, a second opening arm magnetic steel, a transmission clutch fixed ring, a pin shaft, a second clutch transmission spring and a clutch transmission cam, wherein the first clutch transmission spring is precompressed between the clutch outer sleeve and the clutch transmission block, the second clutch transmission spring is precompressed between the clutch fixed ring and the clutch transmission cam, the clutch transmission block and a motor transmission shaft can synchronously rotate, the right end of the clutch transmission block is provided with a tooth-shaped boss, the left end of the clutch transmission sleeve is provided with a tooth-shaped concave platform matched with the tooth-shaped boss of the clutch transmission block, a sliding waist-shaped hole is formed in the clutch transmission sleeve, the first opening arm magnetic steel and the second opening arm magnetic steel on the clutch transmission cam can axially and bidirectionally move along the waist-shaped hole, when the clutch transmission support arm assembly is not butted by the axial movement of the clutch transmission block, the clutch transmission block and the clutch transmission sleeve drive the clutch transmission cam to rotate through concave-convex meshing transmission, the clutch transmission sleeve when the clutch transmission support arm assembly and the motor transmission shaft are driven to the left, the clutch transmission support arm assembly is driven by the precompressed by the precompression force of the clutch transmission first spring, the clutch transmission block and the clutch transmission cam is driven by the concave-convex rotating mechanism to axially, and the clutch transmission support arm is driven by the small-shaped boss to axially to move down to the small opening and the clutch support arm, and the clutch support arm is driven by the small-shaped rotating mechanism to axially to move downwards to the clutch support and the release tool to the rotating mechanism to the small-and axially and the opening and the rotating mechanism to move axially and the concave and to the control the support; the first folding arm magnetic steel and the second folding arm magnetic steel are arranged at the same axial section position with the short shaft end of the cam.
The butt joint support arm assembly comprises a pair of butt joint support arms, the two butt joint support arms are hinged to a support arm fixing block, the left ends of the two butt joint support arms are clamped on a transmission clutch cam, a support arm sliding waist-shaped groove is formed in the support arm fixing block, the support arm sliding waist-shaped groove is in sliding connection with an anti-rotation key, and an output rotary shaft of the motor penetrates through the support arm fixing block; the butt joint support arm is hinged with the butt joint support arm fixing block by using a pin shaft, meanwhile, an arm opening spring is respectively connected between the two butt joint support arms and the butt joint support arm fixing block, the butt joint support arm can rotate around the pin shaft by a certain angle, the maximum opening angle of the butt joint support arm is limited by the anti-clamping block, and the butt joint support arm is protected from clamping the short shaft end of the transmission clutch cam during the axial collision butt joint.
The clutch outer sleeve of the transmission clutch cam assembly is provided with a plurality of sand prevention and pollution discharge strip holes on the circumference, so that sand prevention and pollution discharge and cleaning and maintenance are facilitated, the clutch outer sleeve and the transmission clutch fixing ring are in threaded connection by using the pin shaft, and the transmission clutch cam assembly is convenient to detach, clean and maintain.
The arm-folding magnetic detection sensors and the arm-unfolding magnetic detection sensors are distributed on the same radial section of the left frame body, and an included angle between the arm-folding magnetic detection sensors and a perpendicular connecting line of the axis of the left frame body is 90 degrees.
A detection method of a transmission clutch mechanism with a detection function comprises the following steps:
step one: when the device is used for descending a well, the butt joint support arm assembly is closed, the left end of the butt joint support arm acts on the long shaft end of the transmission clutch cam, the first folding arm magnetic steel approaches to the folding arm magnetic detection sensor, at the moment, the second folding arm magnetic steel is far away from the folding arm magnetic detection sensor and the folding arm magnetic detection sensor, the folding arm magnetic detection sensor records the folding arm in-place information of the first folding arm magnetic steel, the motor is stopped to rotate, and the folding arm is sent to the upper computer to display that the butt joint support arm is in place; when the butt-joint support arm assembly is required to be opened, the first and second arm-stretching magnetic steels synchronously rotate for a certain angle, the first arm-stretching magnetic steel approaches to the arm-opening magnetic detection sensor, at the moment, the second arm-stretching magnetic steel is far away from the arm-stretching magnetic detection sensor and the arm-stretching magnetic detection sensor, the arm-opening magnetic detection sensor records the in-place information of the arm-stretching of the first arm-stretching magnetic steel, the motor is stopped to rotate and send to the upper computer to display the in-place information of the butt-joint support arm, if the butt-joint support arm assembly is required to be retracted again, the arm-stretching magnetic detection sensor and the arm-stretching magnetic detection sensor sequentially record the position information of the second arm-stretching magnetic steel in a second cycle, the upper computer is sent to display the information of the arm-stretching, and the first arm-stretching magnetic steel is far away from the arm-stretching magnetic detection sensor and the arm-stretching magnetic detection sensor in a second cycle, and the first arm-stretching magnetic steel is sequentially cycled, and the opening and the arm-stretching actions are circularly performed and the position record are stopped;
step two: when an instrument enters the upper part of a target water distributor, an operator opens a butt joint supporting arm assembly, lowers the instrument, and makes the butt joint supporting arm assembly axially slide by virtue of inertia force and dead weight to force a tooth-shaped concave-convex table between a clutch transmission block and a clutch transmission sleeve to be separated, a first opening magnetic steel or a second opening magnetic steel moves from a position opposite to an opening magnetic detection sensor to a position opposite to the butt joint magnetic detection sensor, meanwhile, the opening magnetic steel and the opening magnetic detection sensor are positioned on the same section, and after the opening magnetic detection sensor detects butt joint in-place information, the information is sent to an upper computer to display successful butt joint;
step three: after the butt joint is finished, an operator sends a forward or reverse regulation command, a motor output rotating shaft only drives a clutch transmission block and a right frame body lower end regulation mechanism to synchronously rotate, opening magnetic steel arranged on the clutch transmission block synchronously rotates, an opening magnetic detection sensor detects opening magnetic steel signals, the rotating direction is judged, the rotating quantity is recorded, the rotating direction is sent to an upper computer to be displayed, if an instrument is lifted up, a butt joint supporting arm component is separated from a water distributor, and under the action of precompression force of a first transmission clutch spring and a second transmission clutch spring, the transmission clutch mechanism returns to an arm-opening state.
The arm opening action, the arm closing action, the butt joint action, the forward regulation, the reverse regulation, the regulation quantity and the butt joint separation action of the transmission clutch mechanism are completed according to the matching of magnetic steels arranged at different positions and corresponding magnetic detection sensors, when the magnetic steels are close to the magnetic sensors, the magnetic field intensity is increased, the magnetic sensors output signals, when the magnetic steels are far away from the magnetic sensors, the magnetic field intensity is reduced, and the magnetic sensors do not output signals.
The invention has the beneficial effects that: the transmission clutch mechanism with the detection function and the transmission clutch method thereof provided by the invention have the following technical advantages:
1. the detection method of the transmission clutch mechanism is realized by arranging the magnetic steel in different parts of the transmission clutch cam assembly and arranging the magnetic detection sensor at the corresponding position of the left frame body which is matched with the transmission clutch cam assembly in an installation way. The structure is compact, the modularized design is adopted, the installation and the debugging are convenient, the space utilization rate is high, the detection method is accurate, and operators can intuitively and accurately judge various underground attitude information of the instrument.
2. According to the invention, the end face of the transmission clutch cam is designed into an ellipse and is matched with the support arm assembly to realize the opening and closing actions of the butt joint support arm, so that the speed of opening and closing the butt joint support arm is very high, and the downhole operation time is saved.
3. The invention realizes the connection and separation of transmission through the axial displacement generated by the contact collision and separation of the butt-joint supporting arm and the underground water distributor.
4. The invention utilizes one motor to realize the opening and closing actions of the butt joint supporting arm and the bidirectional adjusting action requirement of the transmission shaft, has no interference between the two actions, saves the cost, shortens the instrument length and is convenient for field use.
5. The anti-clamping block is arranged in the invention, so that the damage of the butt joint supporting arm to the transmission clutch cam assembly in the hard collision butt joint process is effectively prevented.
6. The clutch outer sleeve is provided with a plurality of sand prevention and pollution discharge strip holes on the circumference, thereby being beneficial to sand prevention and pollution discharge and cleaning maintenance.
7. According to the clutch cam assembly, the clutch outer sleeve and the clutch fixing ring are connected through the threaded pin shaft, so that the clutch cam assembly is convenient to detach, clean and maintain.
8. The left frame body is provided with the sand discharge holes, so that greasy dirt and sundries can be discharged in the butt joint process.
9. The transmission clutch mechanism with the detection function and the method thereof are suitable for testing instruments for oil wells and water wells of oil fields.
10. According to the invention, the left frame body and the right frame body are in threaded connection, and after the anti-rotation assembly is anti-rotation, the butt joint supporting arm, the butt joint magnetic detection sensor and the tension arm magnetic detection sensor are positioned on the same axial section.
11. The anti-rotation component adopts the non-exposed design of the movable part, and can effectively avoid the movable part from loosening or falling in a strong vibration environment.
12. The magnetic detection sensor is installed by adopting a pressing plate structure, so that the space is saved.
Drawings
FIG. 1 is a schematic diagram of a transmission clutch mechanism with detection function according to the present invention;
FIG. 2 is a schematic view in section B-B of a schematic structural diagram of the present invention;
FIG. 3 is a schematic view of a drive clutch cam employed in the present invention;
FIG. 4 is a schematic view of a left frame used in the present invention;
FIG. 5 is a schematic view of a support arm sliding waist channel on a butt support arm fixing block used in the present invention;
FIG. 6 is a schematic view of a movable member non-exposed structure employed in the present invention;
fig. 7 is a schematic view of the drive clutch cam assembly of the present invention.
Reference numerals illustrate: 1-a motor output rotation shaft; 2-left frame body; 3-cover plate fixing screws; 4-a sensor platen; 5-opening magnetic detection sensor; 6-butting a magnetic detection sensor; 7-an arm-folding magnetic detection sensor; 8-arm magnetic detection sensor; 9-sand discharge holes; 10-right frame body; 11-an anti-rotation assembly dovetail groove; 12-a support arm sliding waist-shaped groove; 13-a fixed joint; a-a transmission clutch cam assembly; b-an anti-rotation component; c-butt-joint supporting arm assembly; d-a dynamic seal assembly; e-supporting a bearing assembly; a1-clutch outer sleeve; a2-a first spring for transmission clutch; a3-clutch transmission block; a4-opening magnetic steel; a5-clutch transmission sleeve; a6, magnetic steel of the first retractable arm; a6' -second retractable arm magnetic steel; a7-a transmission clutch fixing ring; a8-pin shafts; a9-a second spring for transmission clutch; a10-a transmission clutch cam; b1-pin cover; b2-pins; b3-pin spring; b4-anti-rotation bond; c1-butt-joint supporting arms; c2-pin shafts; c3-butting a supporting arm fixing block; c4-an arm opening spring; and C5-clamping-proof blocks.
Detailed Description
One embodiment of the present invention will be described in detail with reference to fig. 1 to 7, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1, the invention provides a transmission clutch mechanism with a detection function and a method thereof, wherein the transmission clutch mechanism comprises a motor output rotating shaft 1, the motor output rotating shaft 1 is fixed in a left frame body 2 through a support bearing E, a dynamic seal assembly D and a fixed joint 13 for outputting rotating moment, the left frame body 2 is connected with a right frame body 10, a butt joint support arm assembly C is arranged in the right frame body 10 (specifically, the middle part of the right frame body is provided with a through groove penetrating through two opposite sides thereof, the butt joint support arm assembly penetrates through the through groove and is arranged in the right frame body, the butt joint support arm assembly comprises two butt joint support arms, the two butt joint support arms are opened and closed by taking the axis of the right frame body as a central line), and the motor output rotating shaft 1 penetrates through the transmission clutch cam assembly a and the inside of the butt joint support arm assembly C; the transmission clutch cam assembly A is arranged in the left frame body 2 and the right frame body 10, wherein the left end of the transmission clutch cam assembly A is stopped in the left frame body cavity, the right end of the transmission clutch cam assembly A is clamped in the butt joint support arm assembly C, and the transmission clutch mechanism with the detection function triggers the combination of the transmission inside the transmission clutch cam assembly A by utilizing the axial movement action of the butt joint support arm assembly C on the right frame body 10 so as to realize the opening and closing actions of the butt joint support arm assembly C driven by the motor output rotating shaft 1; the transmission clutch mechanism with the detection function utilizes the axial movement action of the butt joint support arm assembly C on the right frame body 10 to trigger the separation of the transmission inside the transmission clutch cam assembly A, and when the motor output rotating shaft 1 rotates, the butt joint support arm assembly C does not realize the opening and closing actions; the left frame body 2 is provided with a butt joint magnetic detection sensor 6, a receiving arm magnetic detection sensor 7 and a stretching arm magnetic detection sensor 8, wherein the receiving arm magnetic detection sensor 7 and the stretching arm magnetic detection sensor 8 are distributed on the same radial section of the left frame body 2, and an included angle between the receiving arm magnetic detection sensor 7 and a vertical connecting line of the axis of the left frame body 2 is 85-95 degrees; in a free state, the arm-folding magnetic detection sensor 7, the arm-unfolding magnetic detection sensor 8, the first arm-folding magnetic steel A6 and the second arm-folding magnetic steel A6' are positioned on the same radial section, and the included angles between the perpendicular connecting lines of the arm-folding magnetic detection sensor 7, the arm-unfolding magnetic detection sensor 8 and the axis of the left frame body 2 are 90 degrees; the butt joint magnetic detection sensor 6, the tension arm magnetic detection sensor 8 and the butt joint support arm C1 of the butt joint support arm assembly C are positioned on the same axial section; the left end of the transmission clutch cam assembly A is also provided with a first arm-stretching magnetic steel A6 and a second arm-stretching magnetic steel A6' which respectively correspond to the butt joint magnetic detection sensor 6, the arm-stretching magnetic detection sensor 7 and the arm-stretching magnetic detection sensor 8. The magnetic detection sensors are used for detecting the intensity of the magnetic field and outputting respective signals, so that magnetic steels are arranged at corresponding positions in the transmission clutch cam assembly A, and the magnetic detection sensors output different signals for detecting position or angle information according to magnetic field intensity signals emitted by the magnetic steels.
Further, as shown in fig. 4, the left frame 2 is further provided with opening magnetic detection sensors 5 on the left side of the butt-joint magnetic detection sensor 6, the arm magnetic detection sensor 7 and the arm magnetic detection sensor 8, and the opening magnetic detection sensors 5 are distributed on the same radial section of the left frame 2; the number of opening magnetic sensors 5 is generally 2, if only the number of rotations of the motor output rotation shaft 1 is recorded, 1 sensor is enough, but in order to measure the rotation direction, 2 sensors are needed, and the angles of the 2 sensors on the radial section are different according to the radial distribution of the opening magnetic steel A4, and the number of the distributed pulses on the opening magnetic steel A4 determines the number of the sensor output when one circle is measured, namely the resolution of one circle. The angle of the distribution of the 2 sensors is not 90 degrees in practice, and depends on the distribution of the opening magnetic steel A4. The left end of the transmission clutch cam assembly A is also provided with opening magnetic steel A4 corresponding to the opening magnetic detection sensor 5.
Further, the opening magnetic detection sensor 5, the butt-joint magnetic detection sensor 6, the arm-folding magnetic detection sensor 7 and the mounting points of the arm-stretching magnetic detection sensor 8 on the right frame body 2 are all arranged to be strip-shaped planes, each magnetic detection sensor is placed on the corresponding strip-shaped plane, the induction magnetic field faces the center of the radial section where the magnetic detection sensor is located, the sensor pressing plate 4 presses each magnetic detection sensor, the cover plate fixing screw 3 is used for fixing the magnetic detection sensor on the right frame body 2, the strip-shaped planes are conducive to adjustment of the positions of the magnetic detection sensors, and the installation space is saved in a pressing plate fixing mode. The appearance structure of each magnetic detection sensor is a small cuboid, and leads are arranged at the back of the magnetic detection sensor, the magnetic detection sensor is fixed by adopting a pressing plate 4, namely the magnetic detection sensor is pressed by a strip-shaped metal block pressing plate 4, and then the metal block is screwed and fixed by a screw 3. The magnetic detection sensors output different signals according to the change of the magnetic field intensity of the magnetic steel so as to record the position information or rotation information of the mechanism.
Further, the left frame body 2 and the right frame body 10 are fixed by using an anti-rotation component B after being connected through threads, as shown in fig. 6, the structure of the anti-rotation component B comprises a dovetail groove 11 which is formed in the surface of the right frame body 10, a channel which is communicated with the inside of the right frame body 10 is formed at the bottom of the dovetail groove 11, an anti-rotation key B4 is inserted in the channel, the anti-rotation key B4 is connected with a pin B2, a pin spring B3 is sleeved on the pin B2, a pin cover B1 is connected in a sliding manner in the dovetail groove 11, and the pin B2 tightly abuts against a concave hole formed in the lower surface of the pin cover B1; the left frame body 2 is provided with a sand discharging hole 9, and dirt is discharged during butt joint positioning or inside the ground cleaning mechanism. The anti-rotation component B structure utilizes the dovetail groove 11 to fix the pin cover B1, the pin B2, the pin spring B3 and the anti-rotation key B4 on the connector, the structure adopts a movable part non-exposure design, and the structure can effectively avoid loosening of the movable part caused by the strong vibration environment of two connectors when in anti-rotation connection, and the problems that the exposed movable part is vibrated loose or falls down in the strong vibration environment are well solved due to the fact that the exposed movable part is not exposed after connection.
Further, as shown in fig. 1, 2, 3 and 7, the transmission clutch cam assembly a includes a clutch outer sleeve A1, a transmission clutch first spring A2, a clutch transmission block A3, opening magnetic steel A4, a clutch transmission sleeve A5, a first telescopic arm magnetic steel A6, a second telescopic arm magnetic steel A6', a transmission clutch fixing ring A7, a pin A8, a transmission clutch second spring A9 and a transmission clutch cam a10, the transmission clutch first spring A2 is precompressed between the clutch outer sleeve A1 and the clutch transmission block A3, the transmission clutch second spring A9 is precompressed between the transmission clutch fixing ring A7 and the transmission clutch cam a10, the clutch transmission block A3 and the motor transmission shaft 1 can synchronously rotate, a toothed boss is arranged at the right end of the clutch transmission block A3, a toothed concave table matched with the toothed boss of the clutch transmission block A3 is arranged at the left end of the clutch transmission sleeve A5, the clutch transmission sleeve A5 is internally provided with a sliding waist-shaped hole, a first opening and closing arm magnetic steel A6 and a second opening and closing arm magnetic steel A6' on the transmission clutch cam A10 can axially and bidirectionally move along the waist-shaped hole, when the abutting support arm assembly C does not axially move left to abut, the motor output rotating shaft 1 drives the right frame body lower end adjusting mechanism to synchronously rotate by means of the precompression force of the transmission clutch first spring A2, the clutch transmission block A3 and the clutch transmission sleeve A5 are in meshed transmission through the concave-convex table, the clutch transmission sleeve A5 drives the transmission clutch cam A10 to rotate, the transmission clutch cam A10 drives the abutting support arm assembly C to open or close, when the abutting support arm assembly C axially moves left to abut, the transmission clutch second spring A9 is compressed, the transmission clutch cam A10 axially moves to force the toothed concave-convex table between the clutch transmission block A3 and the clutch transmission sleeve A5 to be separated, and the motor output rotating shaft 1 only drives the right frame body lower end adjusting mechanism to synchronously rotate, to realize the bidirectional adjustment of the opening of the downhole tool; the first folding arm magnetic steel A6 and the second folding arm magnetic steel A6' are arranged at the same axial section position with the short shaft end of the cam, as shown in fig. 3.
Further, the butt-joint support arm assembly C comprises a pair of butt-joint support arms C1, the two butt-joint support arms C1 are hinged to the support arm fixing block C3, the left ends of the two butt-joint support arms C1 are clamped on the transmission clutch cam a10, the support arm fixing block C3 is provided with a support arm sliding waist-shaped groove 12 (shown in fig. 5), the support arm sliding waist-shaped groove 12 is in sliding connection with the anti-rotation key B4, and the motor output rotation shaft 1 passes through the support arm fixing block C3; the butt joint support arm C1 is hinged with the butt joint support arm fixing block C3 through the pin shaft C2, meanwhile, an opening arm spring C4 is further connected between the two butt joint support arms C1 and the butt joint support arm fixing block C3 respectively, rotation of the butt joint support arm C1 around the pin shaft C2 by a certain angle can be achieved, the maximum opening angle of the butt joint support arm C1 is limited by the anti-clamping block C5, and the butt joint support arm C1 is protected from clamping the short shaft end of the transmission clutch cam A10 during axial collision butt joint.
Further, the clutch outer sleeve A1 of the transmission clutch cam assembly A is provided with a plurality of sand prevention and pollution discharge strip holes on the circumference, so that sand prevention and pollution discharge and cleaning maintenance are facilitated, the clutch outer sleeve A1 and the transmission clutch fixing ring A7 are in threaded connection by using the pin shaft A8, and the transmission clutch cam assembly A is convenient to detach, clean and maintain. The clutch outer sleeve A1 and the transmission clutch fixing ring A7 are connected by a pin shaft, and the pin shaft can be riveted or in threaded connection, and the threaded connection is adopted, so that the transmission clutch cam assembly A is convenient to detach.
Further, the arm-folding magnetic detection sensors 7 and the arm-unfolding magnetic detection sensors 8 are distributed on the same radial section of the left frame body 2, and an included angle between the arm-folding magnetic detection sensors and a perpendicular connecting line of the axis of the left frame body 2 is 90 degrees.
The detection method of the transmission clutch mechanism with the detection function comprises the following steps:
step one: when the device is used for descending a well, the butt-joint support arm assembly C is closed, the left end of the butt-joint support arm C1 acts on the long shaft end of the transmission clutch cam A10, the first telescopic arm magnetic steel A6 approaches to the telescopic arm magnetic detection sensor 7, at the moment, the second telescopic arm magnetic steel A6 is far away from the telescopic arm magnetic detection sensor 7 and the telescopic arm magnetic detection sensor 8, the telescopic arm magnetic detection sensor 7 records information that the first telescopic arm magnetic steel A6 is in place, the motor is stopped to rotate, and the telescopic arm is sent to the upper computer to display that the butt-joint support arm is in place; when the butt joint support arm assembly C needs to be opened, the first and second arm-stretching magnetic steels A6 and A6' synchronously rotate for a certain angle, the first arm-stretching magnetic steel A6 is close to the arm-stretching magnetic detection sensor 8, at the moment, the second arm-stretching magnetic steel A6' is far away from the arm-stretching magnetic detection sensor 7 and the arm-stretching magnetic detection sensor 8, the arm-stretching magnetic detection sensor 8 records the arm-stretching in-place information of the first arm-stretching magnetic steel A6, the motor is stopped to rotate and send to the upper computer to display the butt joint support arm in place, if the butt joint support arm assembly C needs to be retracted again, the arm-stretching magnetic detection sensor 7 and the arm-stretching magnetic detection sensor 8 sequentially record the position information of the second arm-stretching magnetic steel A6' in a second cycle, the first arm-stretching magnetic steel A6 is far away from the arm-stretching magnetic detection sensor 7 and the arm-stretching magnetic detection sensor 8, and the mechanism can circulate in turn to perform the arm-stretching action and record the position, and stop the motor and display the position information;
step two: when an instrument enters the upper part of a target water distributor, an operator opens a butt joint support arm assembly C, lowers the instrument, the butt joint support arm assembly C axially slides by virtue of inertia force and dead weight to force a tooth-shaped concave-convex platform between a clutch transmission block A3 and a clutch transmission sleeve A5 to be separated, a first telescopic magnetic steel A6 or a second telescopic magnetic steel A6' moves from a position opposite to an open arm magnetic detection sensor 8 to a position opposite to the butt joint magnetic detection sensor 6, meanwhile, an opening magnetic steel A4 and the opening magnetic detection sensor 5 are positioned on the same section, and after the open arm magnetic detection sensor 8 detects butt joint in-place information, the information is sent to an upper computer to display that the butt joint is successful;
step three: after the butt joint is finished, an operator sends a forward or reverse regulation command, a motor output rotating shaft 1 only drives a clutch transmission block A3 and a right frame body lower end regulation mechanism to synchronously rotate, opening magnetic steel A4 arranged on the clutch transmission block A3 synchronously rotates, an opening magnetic detection sensor 5 detects an opening magnetic steel A4 signal, the rotating direction is judged, the rotating quantity is recorded, the rotating direction is sent to an upper computer for display, if an instrument is lifted up, a butt joint supporting arm component C is separated from a water distributor, and under the action of precompression force of a transmission clutch first spring A2 and a transmission clutch second spring A9, the transmission clutch mechanism returns to an arm opening state.
Further, the arm opening action, the arm closing action, the butt joint action, the forward adjustment, the reverse adjustment, the adjustment quantity and the butt joint detachment action of the transmission clutch mechanism are completed according to the matching of the magnetic steel and the magnetic detection sensor arranged at different positions, when the magnetic steel approaches the magnetic sensor, the magnetic field intensity is increased, the magnetic sensor outputs a signal, when the magnetic steel is far away from the magnetic sensor, the magnetic field intensity is reduced, and the magnetic sensor does not output a signal.
In summary, the transmission clutch mechanism with the detection function and the method provided by the invention have the following technical advantages:
1. the detection method of the transmission clutch mechanism is realized by arranging magnetic steel in different parts of the transmission clutch cam assembly and arranging a magnetic detection sensor at the corresponding position of the left frame body which is matched with the transmission clutch cam assembly in a mounting way. The structure is compact, the modularized design is adopted, the installation and the debugging are convenient, the space utilization rate is high, the detection method is accurate, and operators can intuitively and accurately judge various underground attitude information of the instrument.
2. The end face of the transmission clutch cam is designed into an ellipse shape and is matched with the support arm assembly to realize the opening and closing actions of the butt joint support arm, so that the speed of opening and closing the butt joint support arm is very high, and the underground operation time is saved.
3. The connection and separation of the transmission are realized through the axial displacement generated by the contact collision and separation of the butt joint supporting arm and the underground water distributor.
4. The invention utilizes one motor to realize the opening and closing actions of the butt joint supporting arm and the bidirectional adjusting action requirement of the transmission shaft, has no interference between the two actions, saves the cost, shortens the instrument length and is convenient for field use.
5. Through being provided with the clamp splice that prevents, effectual protection butt joint support arm is at the harm of hard collision butt joint process to transmission separation and reunion cam module.
6. The circumference of the clutch outer sleeve is provided with a plurality of sand prevention and pollution discharge strip holes, which is beneficial to sand prevention and pollution discharge and cleaning maintenance.
7. The clutch outer sleeve and the clutch fixing ring are connected by a threaded pin shaft, so that the disassembly, cleaning and maintenance of the transmission clutch cam assembly are facilitated.
8. The left frame body is provided with a sand discharge hole, which is beneficial to discharging greasy dirt and sundries in the butt joint process.
9. The invention is suitable for the testing instrument for the oil well and the water well of the oil field.
10. The left frame body and the right frame body are in threaded connection, and after the anti-rotation assembly is anti-rotation, the butt joint supporting arm, the butt joint magnetic detection sensor and the tension arm magnetic detection sensor are positioned on the same axial section.
11. The anti-rotation component adopts a movable part non-exposed design, so that the movable part can be effectively prevented from loosening or falling in a strong vibration environment.
12. The magnetic detection sensor is installed by adopting a pressing plate structure, so that the space is saved.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any simple modification, equivalent variation and variation made to the above embodiment according to the technical matter of the present invention falls within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a take transmission clutch of detection function which characterized in that: the motor output rotary shaft (1) is fixed in a left frame body (2) through a support bearing (E), a dynamic seal assembly (D) and a fixed joint (13) and used for outputting a rotating moment, the left frame body (2) is connected with a right frame body (10), a butt joint support arm assembly (C) is arranged on the right frame body (10), and the motor output rotary shaft (1) penetrates through the inside of a transmission clutch cam assembly (A) and the inside of the butt joint support arm assembly (C); the transmission clutch cam assembly (A) is arranged in the left frame body and the right frame body (2, 10), wherein the left end of the transmission clutch cam assembly (A) is stopped in the left frame body cavity, the right end of the transmission clutch cam assembly (A) is clamped in the butt joint support arm assembly (C), and the transmission clutch mechanism with the detection function triggers the combination of the internal transmission of the transmission clutch cam assembly (A) by utilizing the axial movement action of the butt joint support arm assembly (C) on the right frame body (10) so as to realize the opening and closing actions of the butt joint support arm assembly (C) driven by the motor output rotating shaft (1); the transmission clutch mechanism with the detection function utilizes the axial movement action of the butt joint support arm assembly (C) on the right frame body (10) to trigger the separation of the internal transmission of the transmission clutch cam assembly (A), and when the motor output rotating shaft (1) rotates, the butt joint support arm assembly (C) does not realize the opening and closing actions;
the left frame body (2) is provided with a butt joint magnetic detection sensor (6), a receiving arm magnetic detection sensor (7) and a tensioning arm magnetic detection sensor (8), the receiving arm magnetic detection sensor (7) and the tensioning arm magnetic detection sensor (8) are distributed on the same radial section of the left frame body (2), and an included angle between the receiving arm magnetic detection sensor and a vertical connecting line of the axis of the left frame body (2) is 85-95 degrees; the butt joint magnetic detection sensor (6), the tension arm magnetic detection sensor (8) and the butt joint support arm (C1) of the butt joint support arm assembly (C) are positioned on the same axial section;
the left end of the transmission clutch cam assembly (A) is also provided with a first arm-stretching magnetic steel (A6) and a second arm-stretching magnetic steel (A6') which respectively correspond to the butt joint magnetic detection sensor (6), the arm-stretching magnetic detection sensor (7) and the arm-stretching magnetic detection sensor (8);
the left frame body (2) and the right frame body (10) are fixed through an anti-rotation component (B) after being connected through threads, the anti-rotation component (B) comprises a dovetail groove (11) formed in the surface of the right frame body (10), a channel communicated with the inside of the right frame body (10) is formed in the bottom of the dovetail groove (11), an anti-rotation key (B4) is inserted into the channel, the anti-rotation key (B4) is connected with a pin (B2), a pin spring (B3) is sleeved on the pin (B2), a pin cover (B1) is connected in the dovetail groove (11) in a sliding mode, and the pin (B2) tightly pushes up a concave hole formed in the lower surface of the pin cover (B1); the left frame body (2) is provided with a sand discharge hole (9) for discharging sewage or dirt in the ground cleaning mechanism during butt joint positioning;
the transmission clutch cam assembly (A) comprises a clutch outer sleeve (A1), a transmission clutch first spring (A2), a clutch transmission block (A3), opening magnetic steel (A4), a clutch transmission sleeve (A5), a first telescopic arm magnetic steel (A6), a second telescopic arm magnetic steel (A6 '), a transmission clutch fixed ring (A7), a pin shaft (A8), a transmission clutch second spring (A9) and a transmission clutch cam (A10), the transmission clutch first spring (A2) is precompressed between the clutch outer sleeve (A1) and the clutch transmission block (A3), the transmission clutch second spring (A9) is precompressed between the transmission clutch fixed ring (A7) and the transmission clutch cam (A10), the clutch transmission block (A3) and a motor output rotating shaft (1) can synchronously rotate, a toothed boss is arranged at the right end of the clutch transmission block (A3), a toothed concave table matched with the clutch transmission block (A3) is arranged at the left end of the clutch transmission sleeve (A5), a sliding magnetic steel (A6) is arranged in the clutch transmission sleeve (A5), a first axial direction of the clutch cam (A6) is not compressed by virtue of a sliding magnetic steel (A6 '), a second axial direction of the clutch cam (A6 ') is not axially received by a bearing the first axial bearing arm (A2), the clutch transmission block (A3) and the clutch transmission sleeve (A5) are in meshed transmission through the concave-convex table, the clutch transmission sleeve (A5) drives the transmission clutch cam (A10) to rotate, the transmission clutch cam (A10) drives the butt joint support arm assembly (C) to open or close, when the butt joint support arm assembly (C) moves leftwards and axially to butt joint, the transmission clutch second spring (A9) is compressed, the transmission clutch cam (A10) moves axially, the toothed concave-convex table between the clutch transmission block (A3) and the clutch transmission sleeve (A5) is forced to be separated, and the motor output rotating shaft (1) only drives the lower end adjusting mechanism of the right frame body (10) to synchronously rotate so as to realize bidirectional adjustment of the opening degree of the downhole tool; the first folding arm magnetic steel (A6) and the second folding arm magnetic steel (A6') are arranged at the same axial section position with the short shaft end of the cam;
the butt joint support arm assembly (C) comprises a pair of butt joint support arms (C1), the two butt joint support arms (C1) are hinged to a support arm fixing block (C3), the left ends of the two butt joint support arms (C1) are clamped on a transmission clutch cam (A10), a support arm sliding waist-shaped groove (12) is formed in the support arm fixing block (C3), the support arm sliding waist-shaped groove (12) is in sliding connection with an anti-rotation key (B4), and the motor output rotating shaft (1) penetrates through the support arm fixing block (C3); the butt joint support arm (C1) uses round pin axle (C2) to articulate mutually with butt joint support arm fixed block (C3), still be connected with respectively between two butt joint support arms (C1) and butt joint support arm fixed block (C3) simultaneously and open arm spring (C4), can realize butt joint support arm (C1) and carry out rotation of certain angle around round pin axle (C2), prevent clamp splice (C5) restriction butt joint support arm (C1) open biggest angle, and protection butt joint support arm (C1) clamp and hinder the minor axis end of transmission clutch cam (A10) when axial collision butt joint.
2. The transmission clutch mechanism with a detection function as claimed in claim 1, wherein: the left frame body (2) is provided with a butt joint magnetic detection sensor (6), a receiving arm magnetic detection sensor (7) and a stretching arm magnetic detection sensor (8), the left side of the left frame body is also provided with an opening magnetic detection sensor (5), and the opening magnetic detection sensors (5) are distributed on the same radial section of the left frame body (2); the left end of the transmission clutch cam assembly (A) is also provided with opening magnetic steel (A4) corresponding to the opening magnetic detection sensor (5).
3. A transmission clutch mechanism with a detection function as claimed in claim 2, wherein: opening magnetism detection sensor (5), butt joint magnetism detection sensor (6), receipts arm magnetism detection sensor (7), the mounting point that opens arm magnetism detection sensor (8) all set up to rectangular shape plane on right support body (10), and each magnetism detection sensor is placed on corresponding rectangular shape plane, and its response magnetic field face all is towards the center of its place radial cross-section, sensor clamp plate (4) are pushed down each magnetism detection sensor back, and reuse apron set screw (3) are fixed on right support body (10).
4. The transmission clutch mechanism with a detection function as claimed in claim 1, wherein: the clutch outer sleeve (A1) of the transmission clutch cam assembly (A) is provided with a plurality of sand prevention and pollution discharge strip holes on the circumference, so that sand prevention and pollution discharge and cleaning maintenance are facilitated, and the clutch outer sleeve (A1) and the transmission clutch fixing ring (A7) are in threaded connection through the pin shaft (A8).
5. The transmission clutch mechanism with a detection function as claimed in claim 1, wherein: the arm-folding magnetic detection sensors (7) and the arm-unfolding magnetic detection sensors (8) are distributed on the same radial section of the left frame body (2), and an included angle between the arm-folding magnetic detection sensors and a perpendicular connecting line of the axis of the left frame body (2) is 90 degrees.
6. A method for detecting a transmission clutch mechanism with a detection function according to any one of claims 1 to 5, comprising the steps of:
step one: when the well is lowered, the butt joint support arm assembly (C) is closed, the left end of the butt joint support arm (C1) acts on the long shaft end of the transmission clutch cam (A10), the first telescopic arm magnetic steel (A6) approaches to the telescopic arm magnetic detection sensor (7), at the moment, the second telescopic arm magnetic steel (A6') is far away from the telescopic arm magnetic detection sensor (7) and the telescopic arm magnetic detection sensor (8), the telescopic arm magnetic detection sensor (7) records the telescopic arm in-place information of the first telescopic arm magnetic steel (A6), the motor is stopped to rotate, and the telescopic arm is sent to the upper computer to display that the butt joint support arm is in place; when the butt-joint support arm assembly (C) needs to be opened, the first arm-stretching magnetic steel (A6) and the second arm-stretching magnetic steel (A6 ') synchronously rotate for a certain angle, the first arm-stretching magnetic steel (A6) is close to the arm-stretching magnetic detection sensor (8), the second arm-stretching magnetic steel (A6 ') is far away from the arm-stretching magnetic detection sensor (7) and the arm-stretching magnetic detection sensor (8), the arm-stretching magnetic detection sensor (8) records the in-place information of the arm-stretching magnetic steel (A6), the motor is stopped to rotate and send to the upper computer to display the in-place information of the butt-joint support arm, if the butt-joint support arm assembly (C) needs to be retracted again, the arm-stretching magnetic detection sensor (7) and the arm-stretching magnetic detection sensor (8) sequentially record the position information of the second arm-stretching magnetic steel (A6 ') in a second cycle, the first arm-stretching magnetic steel (A6) is far away from the arm-stretching magnetic detection sensor (7) and the arm-stretching magnetic detection sensor (8) in a second cycle, and the cyclic movement of the arm-stretching magnetic steel (8) can be stopped to record the positions in turn, and the cyclic movement can be realized;
step two: when an instrument enters the upper part of a target water distributor, an operator opens a butt joint support arm assembly (C), lowers the instrument, and axially slides the butt joint support arm assembly (C) by virtue of inertia force and dead weight to force a tooth-shaped concave-convex table between a clutch transmission block (A3) and a clutch transmission sleeve (A5) to be separated, a first telescopic arm magnetic steel (A6) or a second telescopic arm magnetic steel (A6') moves from a position opposite to an open arm magnetic detection sensor (8) to a position opposite to the butt joint magnetic detection sensor (6), meanwhile, an opening magnetic steel (A4) and the opening magnetic detection sensor (5) are positioned on the same section, and after the open arm magnetic detection sensor (8) detects butt joint in-place information, the information is sent to an upper computer to display that the butt joint is successful;
step three: after the butt joint is finished, an operator sends a forward or reverse regulation command, a motor output rotating shaft (1) only drives a clutch transmission block (A3) and a right frame body (10) lower end regulating mechanism to synchronously rotate, opening magnetic steel (A4) arranged on the clutch transmission block (A3) synchronously rotates, an opening magnetic detection sensor (5) detects opening magnetic steel (A4) signals, the rotating direction is judged, the rotating direction is recorded, the rotating quantity is sent to an upper computer for display, if an instrument is lifted, a butt joint supporting arm assembly (C) is separated from a water distributor, and under the precompression force of a transmission clutch first spring (A2) and a transmission clutch second spring (A9), the transmission clutch mechanism returns to an open arm state.
7. The method of detection according to claim 6, wherein: the arm opening action, the arm closing action, the butt joint action, the forward regulation, the reverse regulation, the regulation quantity and the butt joint separation action of the transmission clutch mechanism are completed according to the matching of magnetic steels arranged at different positions and corresponding magnetic detection sensors, when the magnetic steels are close to the magnetic sensors, the magnetic field intensity is increased, the magnetic sensors output signals, when the magnetic steels are far away from the magnetic sensors, the magnetic field intensity is reduced, and the magnetic sensors do not output signals.
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