CN112171585B - Torque tool for ROV (remote operated vehicle) with switchable torque gears - Google Patents
Torque tool for ROV (remote operated vehicle) with switchable torque gears Download PDFInfo
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- CN112171585B CN112171585B CN202010815609.XA CN202010815609A CN112171585B CN 112171585 B CN112171585 B CN 112171585B CN 202010815609 A CN202010815609 A CN 202010815609A CN 112171585 B CN112171585 B CN 112171585B
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- speed reducer
- torque tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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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
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
Abstract
The invention provides a torque tool for an ROV (remote operated vehicle) with switchable torque gears. The hydraulic driving mechanism provides torque for the torque tool interface and carries out rotation operation on the standard rotation butt joint interface on the underwater production equipment. The hydraulic driving mechanism adopts two switchable transmission lines to obtain a larger torque output range. The torque tool interface can be butted with a rotary butting interface which conforms to Class I-IV in ISO 13628-8 interface standard; the locking mechanism can lock the rotary butt joint interface, and the connection stability in the rotating process is ensured. The invention has convenient and fast operation, stability and reliability.
Description
Technical Field
The invention relates to a torque tool for an ROV (remote operated vehicle) with switchable torque gears, belonging to the field of offshore oil engineering.
Background
According to the ISO 13628-8 standard, important equipment such as a Christmas tree, a manifold, an underwater control module and the like in an underwater production system all need to be operated by adopting a standard rotary butt joint interface. The standard specifies that the rotary docking interface is classified into class I-VII, wherein most subsea production equipment interfaces are class I-IV, and therefore a subsea torque tool that can operate the class I-IV rotary docking interface is one of the important tools for subsea operations.
The torque tool for the ROV with switchable torque gears can be clamped by a Remote Operated Vehicle (Remote Operated Vehicle), can provide different torques to operate rotary butt joints of multiple grades, and realizes continuous multi-turn rotary operation on underwater production equipment.
In order to save operation cost in actual production, the submergence times of the ROV are required to be reduced as much as possible, and therefore the torque tool is required to be capable of replacing rotary butt joint interfaces with different levels and outputting torque under water. According to the ISO 13628-8 standard, the driving torque requirement distribution range required by a Class I-IV interface is large, if the output torque is changed by only adjusting the flow of a hydraulic motor, the maximum design torque of the Class I-IV in the ISO 13628-8 interface standard cannot be provided, and therefore a transmission scheme capable of enlarging the torque output range needs to be researched, so that the emergency maintenance tool can complete torque adjustment underwater.
The original torque tool is provided with two torque gears by a two-stage transmission, the equipment is large in size and poor in reliability, and the hydraulic driving mechanism is redesigned, so that the space can be greatly saved, and the operation is more flexible.
The hydraulic driving mechanism designed by the invention adopts two transmission routes, the speed reduction and torque increase of the speed reducer are used in a low-speed and high-torque state to adapt to a Class III-IV interface, the speed reducer is fixed in a high-speed and low-torque state to ensure that the speed reduction function is not provided to adapt to a Class I-II interface, and the speed reduction ratio is changed by changing the transmission route to enlarge the torque output range.
Disclosure of Invention
The purpose of the invention is to: (1) rotating the rotary butt joint interface by matching with an underwater ROV manipulator; (2) the hydraulic driving mechanism can switch two working gears to provide a wider range of torque, so that the torque tool can provide all design torques required by Class I-IV in ISO 13628-8 interface standard and externally display the working torque gears; (3) the rotary butt joint interface can be locked in the working process, so that the connection stability in the working process is ensured; and provides a torque tool for an ROV capable of switching a torque gear.
The purpose of the invention is realized as follows: the torque tool interface is fixedly connected with the hydraulic driving mechanism through a coupler to transmit torque; the hydraulic driving mechanism comprises a speed reducer, a rear base, a sliding block, a gear shifting push plate, a hydraulic motor, a gear shifting hydraulic cylinder and a bottom plate, the bottom plate is connected with one end of the rear base, the hydraulic motor is arranged in the middle of the bottom plate, the output end of the hydraulic motor is connected with the input end of the speed reducer through an input shaft coupler, and the gear shifting hydraulic cylinder is fixed on the bottom plate; the slider passes through flange bearing setting on the input shaft coupling and can slide on the input shaft coupling, the push pedal of shifting passes through push pedal thrust washer and jump ring to be fixed in the recess that sets up on the slider, the hydraulic stem of the pneumatic cylinder of shifting passes through the pneumatic cylinder connecting rod of shifting and is connected with the push pedal of shifting, equidistant reduction gear locking pin that is provided with on the terminal surface of slider, the reduction gear passes through reduction gear mounting bracket and sets up in the frame of back, the other end of back frame is provided with reduction gear locking disk, the hole cooperation on reduction gear locking pin and the reduction gear locking disk.
The invention also includes such structural features:
1. the torque tool interface comprises a machine body head, a front side sleeve, a large-caliber interface, a middle-caliber interface, a small-caliber interface, a large spring, a small spring, an interface guide rod, an interface rotating frame, a front machine base and an output shaft coupler, wherein one end of the output shaft coupler is connected with the output end of the reducer; the large spring is sleeved outside the small spring, the middle-caliber interface is pushed into the large-caliber interface by the large spring, and the large-caliber interface is arranged on the interface rotating frame; the front side sleeve is arranged on the large-caliber interface, the machine body head is sleeved outside the machine body head, the front side sleeve and the interface rotating frame and is connected with the front machine base, and the front machine base is connected with the rear machine base through the middle machine base.
2. The gear shifting hydraulic cylinders are two and are symmetrically arranged.
3. The gear shifting push plate is also connected with an indicating needle through an indicating needle connecting rod, the indicating needle is positioned outside the whole torque tool and is in a retraction state when outputting high torque, and an indicating sheet at the tail end of the indicating needle refers to a high-torque gear character on an indicating label of the hydraulic motor; when outputting low torque, the indicating needle is in an extending state, and an indicating sheet at the tail end of the indicating needle indicates a low-torque gear on an indicating label of the hydraulic motor.
4. When the hydraulic driving mechanism is switched to a high-speed low-torque gear, the gear shifting hydraulic cylinder can push the gear shifting push plate to drive the sliding block to move backwards, the locking pin of the speed reducer is separated from the locking disc of the speed reducer, the other end of the sliding block is meshed with the coupler, the coupler drives the mounting frame of the speed reducer and the speed reducer to rotate together, and the speed reducer does not provide a speed reduction ratio at the moment, so that the torque tool is in a high-speed low-torque state; when switching to low-speed high moment of torsion gear, the pneumatic cylinder promotes the push pedal of shifting and drives the slider and move forward, and reduction gear stop pin inserts reduction gear locking plate, fixes the reduction gear mounting bracket on reduction gear locking plate, and the moment of torsion is transmitted for the torque tool interface after the reduction gear enlargies this moment, so the torque tool is in low-speed high moment of torsion state.
Compared with the prior art, the invention has the beneficial effects that: 1. the invention adopts three-section sleeve type interfaces, can freely switch corresponding interfaces according to the calibers of end effectors with different calibers, and realizes the function of automatic butt joint of 1 torque tool and 4-grade rotary butt joint interfaces. 2. The invention adopts the hydraulic driving mechanisms of two transmission routes, the speed reducer does not provide the speed reduction function to match the Class I-II interface in the high-speed low-torque state, the speed reduction and torque increase of the speed reducer are used to match the Class III-IV interface in the low-speed high-torque state, the speed reduction ratio is changed by changing the transmission route, the torque output range is enlarged, and the torque tool can provide all design torques required by the Class I-IV in the ISO 13628-8 interface standard. 3. The invention adopts the indicating needle capable of indicating the working state of the hydraulic driving mechanism, the tail part of the indicating needle extends out of the torque tool, and the indicating label is pasted on the hydraulic motor, thereby facilitating the operator to determine the output torque; 4. the locking mechanism is adopted, so that the interface of the torque tool can lock the anti-rotation notch, and the stable connection condition during working is ensured.
Drawings
FIG. 1 is an isometric view of a torque tool for an ROV of the present invention having switchable torque ranges;
FIG. 2 is a semi-sectional isometric view of the torque tool of the present invention interfacing with a Class III interface;
FIG. 3 is an exploded view of the torque tool interface of the present invention;
FIG. 4 is an exploded view of the hydraulic drive mechanism of the present invention;
FIG. 5 is a half-sectional isometric view of the torque tool interface of the present invention;
FIG. 6 is a half cross-sectional isometric view of the low torque gear of the hydraulic drive mechanism of the present invention;
FIG. 7 is a half cross-sectional isometric view of the high torque range of the hydraulic drive mechanism of the present invention;
the main reference numbers in the figures illustrate:
the hydraulic control system comprises a machine body head 1, a front side sleeve 2, a large-caliber interface 3, a middle-caliber interface 4, a small-caliber interface 5, a large spring 6, a small spring 7, an interface guide rod 8, an interface rotating frame 9, an interface rotating frame 10, a locking mechanism 11, a front machine base 12, an output shaft coupler 13, a middle machine base 14, a speed reducer 15, a speed reducer mounting frame 16, a speed reducer locking disc 17, a rear machine base 18, an input shaft coupler 19, a flange bearing 20, a speed reducer locking pin 21, a sliding block, a gear shifting push plate 22, a push plate thrust washer 23, a snap spring 24, an indicator needle connecting rod 25, an indicator needle 26, a hydraulic motor 27, a gear shifting hydraulic cylinder 28, a bottom plate 29, a gear shifting hydraulic cylinder guide sleeve 30, a gear shifting hydraulic cylinder connecting rod 31, a handle 32, a handle 33, a counter-rotation notch 34 and an end effector.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 7, the torque tool for ROV with switchable torque range of the present invention comprises a torque tool interface, a hydraulic driving mechanism and a locking mechanism. The locking mechanisms are arranged on two sides of the torque tool interface; the torque tool interface is fixedly connected with the hydraulic driving mechanism through a coupler to transmit torque.
The torque tool interface comprises a machine body head, a front side sleeve, a large-caliber interface, a middle-caliber interface, a small-caliber interface, a large spring, a small spring, an interface guide rod, an interface rotating frame, a front machine base and an output shaft coupler. The small spring, the small-caliber interface, the large spring and the middle-caliber interface are arranged on the interface guide rod; the large-caliber interface and the front side sleeve are arranged on the middle-caliber interface; the machine body is sleeved outside the front side sleeve and the large-caliber interface; the interface guide rod passes through the interface rotating frame and is installed on the output shaft coupler.
The hydraulic driving mechanism comprises a middle base, a speed reducer mounting frame, a speed reducer locking disc, a rear base, an input shaft coupler, a flange bearing, a speed reducer locking pin, a sliding block, a gear shifting push plate, a push plate thrust washer, a clamp spring, an indicating needle connecting rod, an indicating needle, a hydraulic motor, a gear shifting hydraulic cylinder, a bottom plate, a gear shifting hydraulic cylinder guide sleeve and a gear shifting hydraulic cylinder connecting rod; the speed reducer is arranged on the speed reducer locking disc through a speed reducer mounting frame, an output shaft of the speed reducer is connected with the interface rotating frame through an output shaft coupler, and an input shaft of the speed reducer is connected with the hydraulic motor through an input shaft coupler; the sliding block is arranged on the input shaft coupler; the gear shifting push plate is fixed on the groove of the sliding block, one surface of the gear shifting push plate is fixed with a gear shifting push rod of the speed reducer, and the other surface of the gear shifting push plate is fixed with the indicating needle and the gear shifting hydraulic rod; the indicating needle is fixed on the gear shifting push plate and is embedded on the bottom plate; the clamp spring and the push plate thrust washer are embedded on the sliding block; the gear shifting hydraulic cylinder is fixed on the bottom plate, and the gear shifting push plate is fixed on the groove of the sliding block and is fixed with the indicating needle and the gear shifting hydraulic rod; the sliding block is sleeved on the input shaft coupler and can slide on the input shaft coupler; the indicating needle is fixed with the gear shifting push plate through the indicating needle connecting rod and is embedded on the bottom plate; the push plate thrust washer is embedded on the sliding block and fixes the gear shifting push plate and the sliding block; the clamp spring is embedded on the sliding block to fix the push plate thrust washer and the sliding block; the gear shifting push plate is fixed on the sliding block and can be pushed by the gear shifting hydraulic cylinder to drive the sliding block to slide on the input shaft coupler; the speed reducer locking pin is fixed on the sliding block and can slide in corresponding sliding grooves on the speed reducer mounting frame and the speed reducer locking disc; when the speed reducer is in a high-torque state, the speed reducer locking pin can penetrate through the speed reducer mounting frame and be inserted into the speed reducer locking disc, and the speed reducer mounting frame is fixed on the speed reducer locking disc; when the speed reducer locking pin is in a low-torque state, the speed reducer locking pin can be separated from the speed reducer locking disc, so that the speed reducer mounting frame is unlocked and rotates along with the sliding block.
The torque tool interface adopts a three-section sleeve structure design, the three-section interface can freely switch interfaces with different calibers when in work, and the interface can be automatically reset by a spring after the work is finished.
The hydraulic driving mechanism has the function of switching torque gears, and can be controlled to switch different transmission lines to change the speed reduction ratio so as to output torques in different ranges.
The indicating needle is exposed outside the whole torque tool and is fixedly connected with the gear shifting push plate through the indicating needle connecting rod, the indicating needle is in a retraction state when outputting high torque, and an indicating sheet at the tail end of the indicating needle refers to a high-torque gear character on an indicating label of the hydraulic motor; when outputting low torque, the indicating needle is in an extending state, and an indicating sheet at the tail end of the indicating needle indicates a low-torque gear on an indicating label of the hydraulic motor.
The locking mechanism can control the locking block of the locking mechanism to extend or retract by changing the oil inlet and outlet way of the hydraulic cylinder of the locking mechanism, and the locking block can retract into the locking mechanism and hook the counter-rotating notch on the standard rotating butt joint interface of the operation object when extending out.
Referring to fig. 1, the torque tool interface is fixedly connected to the hydraulic drive mechanism and can be held by the ROV via a handle 32;
with reference to fig. 3, 5, the torque tool interface portion: the interface guide rod 8 passes through the interface rotating frame 9 and is arranged on the output shaft coupler 12 to play a role in guiding and positioning; the small spring 7 is arranged on the interface guide rod 8, and the small-caliber interface 5 is arranged on the interface guide rod 8 and can axially slide along the interface guide rod 8; the large spring 6 is sleeved outside the small spring 7 and is arranged on the interface guide rod 8, and the middle-caliber interface 4 is arranged on the small-caliber interface 5 and can axially slide along the small-caliber interface 5; the large-caliber interface 3 is arranged on the interface rotating frame 9; the front side sleeve 2 is arranged on the large-caliber interface 3; the machine head 19 is sleeved outside the machine head 1, the front side sleeve 2 and the interface rotating frame 9; the machine body head 1 is arranged outside the large-caliber interface 3; the locking mechanism 10 is installed outside the front base 11, and the locking block inside can extend out of the locking mechanism 10 and hook the anti-rotation notch 33 on the rotary butt joint interface;
with reference to fig. 2, when the torque tool interface is butted with a Class III rotary butt joint interface, a locking block in the locking mechanism 10 extends out to block the anti-rotation notch 33 to keep stable connection; the small-caliber interface 5 on the inner layer of the torque tool interface retracts along the interface guide rod 8, so that the middle-caliber interface 4 on the outer layer is butted with the tail end effector 34; the torque output by the reducer 14 is transmitted to the interface rotating frame 9 through the output shaft coupler 12, the interface rotating frame 9 drives the large-caliber interface 3 to rotate, the large-caliber interface 3 can drive the medium-caliber interface 4, the medium-caliber interface 4 can drive the small-caliber interface 5, and finally the end effector 34 is driven to rotate;
with reference to fig. 4, 6, and 7, the hydraulic drive mechanism section: the speed reducer 14 is installed on a speed reducer locking disc 16 through a speed reducer mounting frame 15, the output end of the speed reducer is connected with the interface rotating frame 9 through an output shaft coupler 12, and the input end of the speed reducer is connected with a hydraulic motor 27 through an input shaft coupler 18; the speed reducer locking disc 16 is fixedly installed with the front base 11 and the middle base 13 through bolts; the reducer locking pin 20 is fixedly arranged on the sliding block 21 and can be inserted into the reducer mounting frame 15 and the reducer locking disc 16; the slide block 21 and the flange bearing 19 are sleeved on the input shaft coupler 18 and can slide on the input shaft coupler 18; the slide 21 is engageable with the input shaft coupling 18 in a low torque gear position; the gear shifting push plate 22 is fixed on the groove of the slide block 21 through a push plate thrust washer 23 and a clamp spring 24, and one side of the gear shifting push plate is fixed with an indicating needle connecting rod 25 and a gear shifting hydraulic cylinder connecting rod 31; the indicating needle 26 is fixed on the gear shifting push plate 22 through the indicating needle connecting rod 25; the pointer link 25 is slidable in a cylindrical slide on the base plate 29; the gear shifting hydraulic cylinder 28 is fixedly arranged on the bottom plate 29, and the hydraulic rod is fixedly connected with the gear shifting push plate 22 through a gear shifting hydraulic cylinder connecting rod; the shifting cylinder guide sleeve 30 is fixedly arranged on the bottom plate 29; the shift cylinder link 31 is slidable within the shift cylinder guide sleeve 30; the hydraulic motor 27 is labeled with an indication label, and the corresponding positions are labeled with the words "high torque gear" and "low torque gear".
The invention adopts the following installation steps:
the first step is as follows: fixedly mounting a plurality of decelerator locking pins 20 to a shift push plate 22 in sequence; mounting the shift push plate 22 on the slide block 21; mounting a push plate thrust washer 23 on the sliding block 21, and propping a gear shifting push plate 22; embedding the snap spring 24 into the groove on the sliding block 21 to fix the push plate thrust washer 23; mounting the flange bearing 19 inside the slide 21; inserting the input shaft coupler 18 inside the flange bearing 19; fixedly connecting the reducer mounting frame 15 with the reducer 14; inserting a speed reducer locking pin 20 into a corresponding sliding groove on a speed reducer mounting frame 15, and then fixedly connecting the speed reducer 14 with an input shaft coupler 18; installing the pointer connecting rod 25 and the gear shifting hydraulic cylinder connecting rod 31 on the gear shifting push plate 22; fixedly mounting the shift cylinder 28 and the shift cylinder guide sleeve 30 on the base plate 29 from both sides; inserting corresponding holes on the bottom plate 29 into corresponding connecting rods on the gear shifting push plate 22, fixedly connecting a connecting rod 31 of the gear shifting hydraulic cylinder with a movable rod of the gear shifting hydraulic cylinder 28, and mounting the bottom plate 29 on the rear base 17; inserting the hydraulic motor 27 into a hole in the middle of the base plate 29 and into flush-keyed connection with the input shaft coupling 18, and then rotating the hydraulic motor 27 to align the mounting hole on the hydraulic motor 27 with the mounting hole on the base plate 29; the hydraulic motor 27 is fixedly installed on the bottom plate 29; connecting and fixing the middle machine base 13, the speed reducer locking disc 16 and the rear machine base 17 by bolts; the pointer 26 is fixedly connected with the pointer connecting rod 25; and finishing the assembly of the hydraulic driving mechanism.
The second step is that: mounting the output shaft coupling 12 on the output shaft of the reducer 14; sleeving the interface rotating frame 9 on the output shaft coupler 12; the interface guide rod 8 passes through the interface rotating frame 9 and is arranged on the output shaft coupler 12; the locking box body 10 is fixedly arranged at two sides of the machine body head 19; mounting the small spring 7 on the interface guide rod 8; the small-caliber interface 5 is pressed on the small spring 7 and is arranged on the interface guide rod 8; a large spring 6 is sleeved outside a small spring 7 and is arranged on an interface guide rod 8; pressing the middle-caliber interface 4 on the large spring 6 and installing the middle-caliber interface on the small-caliber interface 5; sleeving the large-caliber interface 3 outside the medium-caliber interface 4 and installing the large-caliber interface on an interface rotating frame 9; sleeving 8 the front side sleeve 2 outside the large-caliber interface 3; sleeving a front base 11 outside the front side sleeve 2 and the interface rotating frame 9, and connecting and fixing the front base with a middle base 13; the machine body head 1 is sleeved outside the large-caliber connector 3 and is fixed with the front machine base 11 by bolts. The torque tool interface is assembled.
The third step: connecting a hydraulic pipeline; the handle 32 is mounted to the front frame 11. The torque tool assembly is complete.
The working principle of the invention is as follows:
the ROV operates a torque tool to be in butt joint with the rotary butt joint interface, the torque tool interface switches corresponding interfaces according to end effectors 34 with different calibers, the locking mechanism 10 locks the anti-rotation notch 33, after the hydraulic driving mechanism switches a proper torque gear, the hydraulic motor 27 starts to work, torque output by the hydraulic driving mechanism is transmitted to the torque tool interface, after the operation is completed, the locking mechanism 10 releases the anti-rotation notch 33, and the operation is finished.
The operation principle of each component is as follows.
The locking mechanism 10 locks the rotary docking interface on the operating object and the hydraulic motor 27 provides power which is transmitted to the torque tool interface via the hydraulic drive mechanism.
The hydraulic drive mechanism part: the shift hydraulic cylinder 28 is operated to push the shift pushing plate 22 to drive the sliding block 21 to slide on the input shaft coupler 18, so as to switch different transmission lines and output different ranges of torque. When the hydraulic driving mechanism is switched to a high-speed low-torque gear, the hydraulic cylinder can push the gear shifting push plate 22 to drive the sliding block 21 to move backwards, the speed reducer locking pin 20 is separated from the speed reducer locking disc 16, the other end of the sliding block 21 is meshed with the coupler, the coupler drives the speed reducer mounting frame 15 and the speed reducer 14 to rotate together, at the moment, the speed reducer 14 does not provide a reduction ratio, and therefore the torque tool is in a high-speed low-torque state. When the gear is switched to a low-speed high-torque gear, the hydraulic cylinder pushes the gear shifting push plate 22 to drive the slide block 21 to move leftwards, the speed reducer locking pin 20 is inserted into the speed reducer locking disc 16, and the speed reducer mounting frame 15 is fixed on the speed reducer locking disc 16. At this time, the torque is amplified by the reducer 14 and then transmitted to the torque tool interface, so that the torque tool is in a low-speed high-torque state.
Torque tool interface portion: the Class I-II end effector 34 can be directly interfaced with the small caliber interface 5; when the small-caliber interface 5 is butted with the end effector 34 of Class III, the medium-caliber interface 4 is butted with the end effector 34; when the small-caliber interface 5 is butted with the end effector 34 of Class IV grade, the medium-caliber interface 4 retracts, and the large-caliber interface 3 is butted with the end effector 34. The retracted wrench may automatically pop out when the end effector 34 is released. The torque output by the reducer 14 is transmitted to the interface rotating frame 9 through the output shaft coupler 12, the interface rotating frame 9 drives the large-caliber interface 3 to rotate, the large-caliber interface 3 can drive the middle-caliber interface 4, the middle-caliber interface 4 can drive the small-caliber interface 5, and finally the end effector 34 is driven to rotate
In summary, the invention discloses a torque tool for an ROV with switchable torque gears, which structurally comprises a torque tool interface, a locking mechanism and a hydraulic driving mechanism. The hydraulic driving mechanism provides torque for the torque tool interface and carries out rotation operation on the standard rotation butt joint interface on the underwater production equipment. The hydraulic driving mechanism adopts two switchable transmission lines to obtain a larger torque output range. The torque tool interface can be butted with a rotary butting interface which conforms to Class I-IV in ISO 13628-8 interface standard; the locking mechanism can lock the rotary butt joint interface, and the connection stability in the rotating process is ensured. The invention has convenient and fast operation, stability and reliability.
Claims (7)
1. A torque tool for ROV with switchable torque gears is characterized in that: the torque tool interface is fixedly connected with the hydraulic driving mechanism through a coupler to transmit torque; the hydraulic driving mechanism comprises a speed reducer, a rear base, a sliding block, a gear shifting push plate, a hydraulic motor, a gear shifting hydraulic cylinder and a bottom plate, the bottom plate is connected with one end of the rear base, the hydraulic motor is arranged in the middle of the bottom plate, the output end of the hydraulic motor is connected with the input end of the speed reducer through an input shaft coupler, and the gear shifting hydraulic cylinder is fixed on the bottom plate; the slider passes through flange bearing setting on the input shaft coupling and can slide on the input shaft coupling, the push pedal of shifting passes through push pedal thrust washer and jump ring to be fixed in the recess that sets up on the slider, the hydraulic stem of the pneumatic cylinder of shifting passes through the pneumatic cylinder connecting rod of shifting and is connected with the push pedal of shifting, equidistant reduction gear locking pin that is provided with on the terminal surface of slider, the reduction gear passes through reduction gear mounting bracket and sets up in the frame of back, the other end of back frame is provided with reduction gear locking disk, the hole cooperation on reduction gear locking pin and the reduction gear locking disk.
2. The torque tool for ROV capable of switching torque range according to claim 1, wherein: the torque tool interface comprises a machine body head, a front side sleeve, a large-caliber interface, a middle-caliber interface, a small-caliber interface, a large spring, a small spring, an interface guide rod, an interface rotating frame, a front machine base and an output shaft coupler, wherein one end of the output shaft coupler is connected with the output end of the reducer; the large spring is sleeved outside the small spring, the middle-caliber interface is pushed into the large-caliber interface by the large spring, and the large-caliber interface is arranged on the interface rotating frame; the front side sleeve is arranged on the large-caliber interface, the machine body head is sleeved outside the machine body head, the front side sleeve and the interface rotating frame and is connected with the front machine base, and the front machine base is connected with the rear machine base through the middle machine base.
3. The torque tool for ROV capable of switching the torque range according to claim 1 or 2, wherein: the gear shifting hydraulic cylinders are two and are symmetrically arranged.
4. The torque tool for ROV capable of switching the torque range according to claim 1 or 2, wherein: the gear shifting push plate is also connected with an indicating needle through an indicating needle connecting rod, the indicating needle is positioned outside the whole torque tool and is in a retraction state when outputting high torque, and an indicating sheet at the tail end of the indicating needle refers to a high-torque gear character on an indicating label of the hydraulic motor; when outputting low torque, the indicating needle is in an extending state, and an indicating sheet at the tail end of the indicating needle indicates a low-torque gear on an indicating label of the hydraulic motor.
5. The torque tool for ROV with switchable torque range according to claim 3, wherein: the gear shifting push plate is also connected with an indicating needle through an indicating needle connecting rod, the indicating needle is positioned outside the whole torque tool and is in a retraction state when outputting high torque, and an indicating sheet at the tail end of the indicating needle refers to a high-torque gear character on an indicating label of the hydraulic motor; when outputting low torque, the indicating needle is in an extending state, and an indicating sheet at the tail end of the indicating needle indicates a low-torque gear on an indicating label of the hydraulic motor.
6. The torque tool for ROV with switchable torque range according to claim 4, wherein: when the hydraulic driving mechanism is switched to a high-speed low-torque gear, the gear shifting hydraulic cylinder can push the gear shifting push plate to drive the sliding block to move backwards, the locking pin of the speed reducer is separated from the locking disc of the speed reducer, the other end of the sliding block is meshed with the coupler, the coupler drives the mounting frame of the speed reducer and the speed reducer to rotate together, and the speed reducer does not provide a speed reduction ratio at the moment, so that the torque tool is in a high-speed low-torque state; when switching to low-speed high moment of torsion gear, the pneumatic cylinder promotes the push pedal of shifting and drives the slider and move forward, and reduction gear stop pin inserts reduction gear locking plate, fixes the reduction gear mounting bracket on reduction gear locking plate, and the moment of torsion is transmitted for the torque tool interface after the reduction gear enlargies this moment, so the torque tool is in low-speed high moment of torsion state.
7. The torque tool for ROV with switchable torque range according to claim 5, wherein: when the hydraulic driving mechanism is switched to a high-speed low-torque gear, the gear shifting hydraulic cylinder can push the gear shifting push plate to drive the sliding block to move backwards, the locking pin of the speed reducer is separated from the locking disc of the speed reducer, the other end of the sliding block is meshed with the coupler, the coupler drives the mounting frame of the speed reducer and the speed reducer to rotate together, and the speed reducer does not provide a speed reduction ratio at the moment, so that the torque tool is in a high-speed low-torque state; when switching to low-speed high moment of torsion gear, the pneumatic cylinder promotes the push pedal of shifting and drives the slider and move forward, and reduction gear stop pin inserts reduction gear locking plate, fixes the reduction gear mounting bracket on reduction gear locking plate, and the moment of torsion is transmitted for the torque tool interface after the reduction gear enlargies this moment, so the torque tool is in low-speed high moment of torsion state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815609.XA CN112171585B (en) | 2020-08-14 | 2020-08-14 | Torque tool for ROV (remote operated vehicle) with switchable torque gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815609.XA CN112171585B (en) | 2020-08-14 | 2020-08-14 | Torque tool for ROV (remote operated vehicle) with switchable torque gears |
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| CN112171585B true CN112171585B (en) | 2021-12-07 |
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| CN114030975A (en) * | 2021-11-29 | 2022-02-11 | 中海石油(中国)有限公司湛江分公司 | ROV formula interface is to mandrel formula interface conversion instrument |
| CN114523442B (en) * | 2022-02-24 | 2024-04-19 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Docking device and semiconductor device |
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| CA904838A (en) * | 1972-07-11 | Byron Jackson Inc. | Combined power tong and back-up tong assembly | |
| CN106217398A (en) * | 2016-08-25 | 2016-12-14 | 杭州宇控机电工程有限公司 | A kind of torque tool |
| CN206185894U (en) * | 2016-08-25 | 2017-05-24 | 杭州宇控机电工程有限公司 | Torque tool |
| CN109944976A (en) * | 2019-04-03 | 2019-06-28 | 哈尔滨工程大学 | A kind of multi-functional ROV torque wrench of adjustable pose |
| CN110281183A (en) * | 2019-02-21 | 2019-09-27 | 上海新页石油科技有限公司 | A kind of preventer bolt disassembly tool with high low torque handoff functionality |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11040421B2 (en) * | 2018-10-26 | 2021-06-22 | Forum Us, Inc. | Torque tool with electric motors |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA904838A (en) * | 1972-07-11 | Byron Jackson Inc. | Combined power tong and back-up tong assembly | |
| CN106217398A (en) * | 2016-08-25 | 2016-12-14 | 杭州宇控机电工程有限公司 | A kind of torque tool |
| CN206185894U (en) * | 2016-08-25 | 2017-05-24 | 杭州宇控机电工程有限公司 | Torque tool |
| CN110281183A (en) * | 2019-02-21 | 2019-09-27 | 上海新页石油科技有限公司 | A kind of preventer bolt disassembly tool with high low torque handoff functionality |
| CN109944976A (en) * | 2019-04-03 | 2019-06-28 | 哈尔滨工程大学 | A kind of multi-functional ROV torque wrench of adjustable pose |
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| CN112171585A (en) | 2021-01-05 |
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