CN112253645B - Wet-type double-clutch automatic gear shifting system for petroleum drilling winch - Google Patents
Wet-type double-clutch automatic gear shifting system for petroleum drilling winch Download PDFInfo
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- CN112253645B CN112253645B CN202011098874.7A CN202011098874A CN112253645B CN 112253645 B CN112253645 B CN 112253645B CN 202011098874 A CN202011098874 A CN 202011098874A CN 112253645 B CN112253645 B CN 112253645B
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- oil
- gear clutch
- valve
- clutch
- gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/14—Fluid pressure control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Earth Drilling (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a wet-type double-clutch automatic gear shifting system for an oil drilling winch, which comprises an oil tank, wherein the oil tank is sequentially connected with a hydraulic pump, a one-way valve, a two-position four-way electromagnetic valve a and a hydraulic control one-way valve through pipelines, the hydraulic control one-way valve is also connected with oil inlets of a first-gear clutch and a second-gear clutch through pipelines, an outlet of the one-way valve is also sequentially connected with the two-position four-way electromagnetic valve through pipelines, the two-position four-way electromagnetic valve is connected with the oil inlets of the first-gear clutch and the second-gear clutch through pipelines, an oil drainage loop is also connected to the oil tank, the two-position four-way electromagnetic valve a, the hydraulic control one-way valve and the two-position four-way electromagnetic valve are also connected with an oil drainage loop through pipelines, and the wiring of the first-gear clutch and the second-gear clutch is opposite. The invention discloses a wet type double-clutch automatic gear shifting system for an oil drilling winch, which solves the problems of difficult tooth alignment and high failure rate of the existing cylinder and motor micro-motion auxiliary gear shifting of an alternating current variable frequency electric drive oil drilling winch.
Description
Technical Field
The invention belongs to the technical field of petroleum drilling equipment, and relates to a wet-type double-clutch automatic gear shifting system for a petroleum drilling winch.
Background
The petroleum drilling winch gear shifting mechanism and the technology are continuously improved and improved, the gear shifting operation is simpler and simpler from the initial mechanical gear shifting to the cylinder gear shifting and then to the cylinder and motor micro-motion auxiliary gear shifting, but the problems of difficult tooth alignment of meshing gears, high failure rate of a gear feedback sensor, high human intervention degree and the like still exist in the existing cylinder and motor micro-motion auxiliary gear shifting. Moreover, with the development of drilling machine technology, the requirement of automation level is higher and higher, and the cylinder and motor micro-motion auxiliary gear shifting technology is not suitable for the development requirement of future drilling machines.
Disclosure of Invention
The invention aims to provide a wet type double-clutch automatic gear shifting system for an oil drilling winch, which solves the problems of difficult tooth alignment and high failure rate of the existing cylinder and motor micro-motion auxiliary gear shifting of an alternating current variable frequency electric drive oil drilling winch.
The invention adopts the technical scheme that the wet type double-clutch automatic gear shifting system for the petroleum drilling winch comprises an oil tank, wherein the oil tank is sequentially connected with a hydraulic pump, a one-way valve, a two-position four-way electromagnetic valve a and a hydraulic control one-way valve through pipelines, the hydraulic control one-way valve is also connected with oil inlets of a first-gear clutch and a second-gear clutch through pipelines, an outlet of the one-way valve is also sequentially connected with a two-position four-way electromagnetic valve through a pipeline, the two-position four-way electromagnetic valve is connected with the oil inlets of the first-gear clutch and the second-gear clutch through pipelines, an oil drainage loop is also connected onto the oil tank, the two-position four-way electromagnetic valve a, the hydraulic control one-way valve and the two-position four-way electromagnetic valve are also connected with an oil drainage loop through pipelines, and the I-gear clutch and the second-gear clutch are oppositely wired.
The present invention is also characterized in that,
a filter is further arranged between the hydraulic pump and the one-way valve, an overflow valve is further connected between the filter and the one-way valve through a pipeline, and an oil outlet of the overflow valve is connected with an oil drainage loop.
The outlet of the one-way valve is also connected with an energy accumulator through a pipeline.
And a ball valve is further connected on a pipeline between the outlet of the one-way valve and the energy accumulator, a safety valve is further connected between the ball valve and the energy accumulator through a pipeline, and the other end of the safety valve is connected with an oil drainage loop.
And the outlet of the one-way valve is also provided with a pressure sensor and a pressure gauge.
And oil inlets of the first gear clutch and the second gear clutch are respectively provided with a pressure sensor and a pressure gauge.
The invention has the beneficial effects that:
the invention utilizes the transmission reduction gearbox comprising the wet type double clutch and adopts the on-off of the electromagnetic valve to control the on-off of the wet type clutch, thereby realizing 100 percent of gear shifting success rate and automatic gear shifting.
Drawings
FIG. 1 is a schematic structural diagram of a wet dual clutch automatic gear shifting system for an oil drilling winch according to the present invention;
FIG. 2 is a schematic diagram of the transmission of a prior art wet dual clutch automatic shifting winch;
FIG. 3 is a flow chart of the wet dual clutch engage control logic of the present invention.
In the figure, 1, a hydraulic pump, 2, a filter, 3, a one-way valve, 4, a two-position four-way electromagnetic valve, 5, an overflow valve, 6, a two-position four-way electromagnetic valve a, 7, a hydraulic control one-way valve, 8, a first-gear clutch, 9, a second-gear clutch, 10, a ball valve, 11, an energy accumulator, 12, a safety valve, 13, a pressure gauge, 14, a pressure sensor, 15, an oil tank, 16, a motor, 17, a reduction gearbox, 18, a roller shaft, 19, a brake and 20 are arranged in a drainage loop.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a wet type double-clutch automatic gear shifting system for an oil drilling winch, which is structurally shown in figure 1 and comprises an oil tank 15, wherein the oil tank 15 is sequentially connected with a hydraulic pump 1, a one-way valve 3, a two-position four-way electromagnetic valve a6 and a hydraulic control one-way valve 7 through pipelines, the hydraulic control one-way valve 7 is further connected with oil inlets of a first-gear clutch 8 and a second-gear clutch 9 through pipelines, an outlet of the one-way valve 3 is further sequentially connected with a two-position four-way electromagnetic valve 4 through a pipeline, the two-position four-way electromagnetic valve 4 is connected with the oil inlets of the first-gear clutch 8 and the second-gear clutch 9 through pipelines, the oil draining loop 20 is further connected onto the oil tank 15, the two-position four-way electromagnetic valve 4, the hydraulic control one-way valve 7 and the two-position four-way electromagnetic valve a6 are further connected with the oil draining loop 20 through pipelines, and the connection wires of the first-gear clutch 8 and the second-gear clutch 9 are opposite.
Still be provided with filter 2 between hydraulic pump 1 and the check valve 3, still have overflow valve 5 through the tube coupling between filter 2 and the check valve 3, 5 oil-outs of overflow valve connect draining return circuit 20.
The outlet of the one-way valve 3 is also connected with an accumulator 11 through a pipeline.
A ball valve 10 is further connected on a pipeline between the outlet of the one-way valve 3 and the energy accumulator 11, a safety valve 12 is further connected between the ball valve 10 and the energy accumulator 11 through a pipeline, and the other end of the safety valve 12 is connected with an oil drainage loop 20.
The outlet of the one-way valve 3 is also provided with a pressure sensor 14 and a pressure gauge 13.
And the oil inlets of the I-gear clutch 8 and the II-gear clutch 9 are respectively provided with a pressure sensor 14 and a pressure gauge 13.
As shown in figure 2, the wet double-clutch automatic gear shifting winch mainly comprises a motor 16, a roller 18, a brake 19 and a reduction gearbox 17 comprising a first-gear clutch 8 and a second-gear clutch 9, wherein the clutch control of the first-gear clutch 8 and the clutch control of the second-gear clutch 9 are controlled by the automatic gear shifting control system of the invention, so that a second-gear two-stage reduction gearbox of the reduction gearbox is realized, the power of the motor 16 is transmitted to the winch roller 18 to drive the roller 18 to run at high speed or low speed, and the brake 19 brakes when necessary.
The invention relates to a wet type double-clutch automatic gear shifting system for an oil drilling winch, which has the working principle that:
as shown in fig. 2, the connection of the first-gear clutch 8 and the second-gear clutch 9 is reversed, the first-gear clutch 8 is engaged by the built-in spring force when no hydraulic oil is available, the clutches are disengaged when hydraulic oil is available, the second-gear clutch 9 is engaged when hydraulic oil is available, and the second-gear clutch 9 is disengaged when no hydraulic oil is available, so that only one of the first-gear clutch 8 and the second-gear clutch 9 is engaged at the same time; when the two-position four-way solenoid valve 4 and the two-position four-way solenoid valve 6 are in the initial positions, hydraulic pressure of a hydraulic system passes through the one-way valve 3 and the two-position four-way solenoid valve 6, the hydraulic control one-way valve 7 is opened, oil leakage is performed by connecting oil inlet cavities of the first-gear clutch 8 and the second-gear clutch 9 with the oil tank 15, meanwhile, the oil inlet cavities of the first-gear clutch 8 and the second-gear clutch 9 can also be connected with an oil leakage loop 20 of the oil tank 15 through the two-position four-way solenoid valve 4 for oil leakage, so that the first-gear clutch 8 is engaged, and the second-gear clutch 9 is disengaged; when the two-position four-way solenoid valve 4 and the two-position four-way solenoid valve 6 are electrified and reversed, hydraulic oil passes through the one-way valve 3, the two-position four-way solenoid valve 4 supplies oil to the oil inlet cavities of the first-gear clutch 9 and the second-gear clutch 10, so that the first-gear clutch 8 is disengaged, and the second-gear clutch 9 is engaged; when the two-position four-way electromagnetic valve 4 is at the initial position and the two-position four-way electromagnetic valve 6 is electrified and reversed, the clutch 8 at the I gear is engaged, and the clutch 9 at the II gear is disengaged; when the two-position four-way electromagnetic valve 4 is electrified and switched, and the two-position four-way electromagnetic valve 6 is at the initial position, the I-gear clutch 8 is engaged, and the II-gear clutch 9 is disengaged. The comparison relationship between the on-off states of the two-position four-way solenoid valve 4 and the two-position four-way solenoid valve 6 and the clutch states of the first-gear clutch 8 and the second-gear clutch 9 is shown in table 1.
TABLE 1
When the ball valve 10 is opened, the accumulator 11 can accelerate the clutch speed of the I-gear clutch 8 and the II-gear clutch 9, and meanwhile, the hydraulic pump can also be used as an emergency hydraulic source of the hydraulic pump 1.
The pressure gauge 13 and the pressure sensor 14 can be used as pressure feedback of the control system to allow an operator to judge the clutch state of the first-gear clutch 8 and the second-gear clutch 9, as shown in table 2, if the relationship between the pressure gauge/pressure sensor and the state of the first-gear clutch and the state of the second-gear clutch is not the relationship shown in table 2, it indicates that the system may have a fault or the pressure gauge/pressure sensor has a fault.
TABLE 2 pressure gage/pressure sensor and I-gear and II-gear clutch state relationship
The on-off control of the two-position four-way electromagnetic valve 4 and the two-position four-way electromagnetic valve 6 is introduced into an electric control system of the drilling machine, the electric control system judges the current hook load of the drilling machine in advance through the hovering function of the variable frequency motor before the winch is started, then the proper gear is automatically selected according to the hook load size, the two-position four-way electromagnetic valve 4 is controlled, the on-off gear engaging of the two-position four-way electromagnetic valve 6 is implemented, the winch is started after the gear engaging is successful, and the wet-type double-clutch gear engaging control logic is shown in figure 3.
Claims (3)
1. The wet type double-clutch automatic gear shifting system for the petroleum drilling winch is characterized by comprising an oil tank (15), wherein the oil tank (15) is sequentially connected with a hydraulic pump (1), a one-way valve (3), a two-position four-way electromagnetic valve a (6) and a hydraulic control one-way valve (7) through pipelines, the hydraulic control one-way valve (7) is further connected with oil inlets of a first-gear clutch (8) and a second-gear clutch (9) through pipelines, an outlet of the one-way valve (3) is further sequentially connected with a two-position four-way electromagnetic valve (4) through pipelines, the two-position four-way electromagnetic valve (4) is connected with oil inlets of the first-gear clutch (8) and the second-gear clutch (9) through pipelines, the oil tank (15) is further connected with an oil drainage loop (20), and the two-position four-way electromagnetic valve (4), the hydraulic control one-way valve (7) and the two-position four-way electromagnetic valve a (6) are further connected with the oil drainage loop (20) through pipelines, the I-gear clutch (8) and the II-gear clutch (9) are connected in an opposite mode, namely oil inlets of the I-gear clutch (8) and the II-gear clutch (9) are arranged in opposite positions, an oil inlet of the I-gear clutch (8) is communicated with a rod cavity of the I-gear clutch (8), an oil inlet of the II-gear clutch (9) is communicated with a plug cavity of the II-gear clutch (9), oil inlets of the I-gear clutch (8) and the II-gear clutch (9) are communicated through a pipeline, the I-gear clutch (8) is engaged through built-in spring force when no hydraulic oil exists, the I-gear clutch (8) is disengaged when hydraulic oil is supplied, the II-gear clutch (9) is engaged when hydraulic oil exists, and is disengaged when no hydraulic oil exists;
a filter (2) is arranged between the hydraulic pump (1) and the one-way valve (3), an overflow valve (5) is connected between the filter (2) and the one-way valve (3) through a pipeline, and an oil outlet of the overflow valve (5) is connected with the oil drainage loop (20);
the outlet of the one-way valve (3) is further connected with an energy accumulator (11) through a pipeline, a ball valve (10) is further connected on the pipeline between the outlet of the one-way valve (3) and the energy accumulator (11), a safety valve (12) is further connected between the ball valve (10) and the energy accumulator (11) through a pipeline, and the other end of the safety valve (12) is connected with the oil drainage loop (20).
2. The automatic wet double-clutch gear shifting system for the oil drilling winch according to claim 1, characterized in that a pressure sensor (14) and a pressure gauge (13) are further arranged at the outlet of the one-way valve (3).
3. The automatic wet double-clutch gear shifting system for the oil drilling winch according to claim 1, wherein a pressure sensor (14) and a pressure gauge (13) are arranged at oil inlets of the I-gear clutch (8) and the II-gear clutch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098874.7A CN112253645B (en) | 2020-10-14 | 2020-10-14 | Wet-type double-clutch automatic gear shifting system for petroleum drilling winch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098874.7A CN112253645B (en) | 2020-10-14 | 2020-10-14 | Wet-type double-clutch automatic gear shifting system for petroleum drilling winch |
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| CN112253645A CN112253645A (en) | 2021-01-22 |
| CN112253645B true CN112253645B (en) | 2022-07-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062208A (en) * | 2010-11-16 | 2011-05-18 | 浙江吉利汽车研究院有限公司 | Hydraulic control device with double clutches |
| CN103846490A (en) * | 2012-11-30 | 2014-06-11 | 无锡市协新气动有限公司 | Plate hydraulic shearing machine system |
| CN203717500U (en) * | 2014-03-12 | 2014-07-16 | 南通恒力重工机械有限公司 | Plate shearing synchronous hydraulic control system based on double-output-shaft motor |
| CN106151500A (en) * | 2016-09-26 | 2016-11-23 | 安徽江淮汽车股份有限公司 | gear box hydraulic control system |
| CN207297483U (en) * | 2017-07-14 | 2018-05-01 | 山东法因智能设备有限公司 | A kind of puncher hydraulic control system |
| CN111306295A (en) * | 2018-12-12 | 2020-06-19 | 上海汽车集团股份有限公司 | Hybrid power transmission hydraulic control system and vehicle |
-
2020
- 2020-10-14 CN CN202011098874.7A patent/CN112253645B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062208A (en) * | 2010-11-16 | 2011-05-18 | 浙江吉利汽车研究院有限公司 | Hydraulic control device with double clutches |
| CN103846490A (en) * | 2012-11-30 | 2014-06-11 | 无锡市协新气动有限公司 | Plate hydraulic shearing machine system |
| CN203717500U (en) * | 2014-03-12 | 2014-07-16 | 南通恒力重工机械有限公司 | Plate shearing synchronous hydraulic control system based on double-output-shaft motor |
| CN106151500A (en) * | 2016-09-26 | 2016-11-23 | 安徽江淮汽车股份有限公司 | gear box hydraulic control system |
| CN207297483U (en) * | 2017-07-14 | 2018-05-01 | 山东法因智能设备有限公司 | A kind of puncher hydraulic control system |
| CN111306295A (en) * | 2018-12-12 | 2020-06-19 | 上海汽车集团股份有限公司 | Hybrid power transmission hydraulic control system and vehicle |
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| CN112253645A (en) | 2021-01-22 |
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