CN107401428B - Undisturbed switching device - Google Patents
Undisturbed switching device Download PDFInfo
- Publication number
- CN107401428B CN107401428B CN201710819982.0A CN201710819982A CN107401428B CN 107401428 B CN107401428 B CN 107401428B CN 201710819982 A CN201710819982 A CN 201710819982A CN 107401428 B CN107401428 B CN 107401428B
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- Prior art keywords
- shell
- piston
- shaft
- bevel gears
- spring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
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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
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
Abstract
The invention belongs to the technical field of ship mechanical equipment, and particularly relates to a disturbance-free switching device which comprises a hydraulic clutch, a reduction gear box and a torque measuring device, wherein the hydraulic clutch comprises a first shell, a shaft, a flange, a toothed sleeve, a gear, a second shell, a piston and a spring, the toothed sleeve is arranged on the first shell through the shaft, and the gear is connected with the piston through a bolt; the box body of the reduction gear box is connected with the second shell of the hydraulic clutch through a flange, a pair of first bevel gears and second bevel gears which are in orthogonal transmission are arranged in the reduction gear box, the first bevel gears are arranged on a shaft, the installation position is adjusted through an adjusting cushion block, and the second bevel gears are arranged on a transmission shaft; the torque measuring device is arranged at the outlet of the reduction gear box, the outer ring of the torque sensor is arranged on the bottom plate, one end of the inner ring of the torque sensor is connected with the transmission shaft through a connecting flange, and the other end of the inner ring of the torque sensor is connected with the hand wheel of the main vehicle through a universal coupling.
Description
Technical field:
the invention belongs to the technical field of ship mechanical equipment, and particularly relates to a disturbance-free switching device.
The background technology is as follows:
when the main turbine set of the ship is automatically controlled, the cam steam distribution mechanism is provided with a half coupling, the main engine and the valve transmission device are respectively arranged at two sides of the half coupling, and when the main engine drives the cam steam distribution mechanism to rotate, the half coupling is disconnected, and the worm gear and the valve transmission device do not act. When manual operation is needed, the power oil to the forward engine is cut off, the valve driving device is rotated to drive the worm gear to rotate, the half coupling is meshed at the moment, the cam steam distribution mechanism acts, and the forward engine acts together with the cam steam distribution mechanism at the moment. The main turbine set of the high-power ship adopts a novel main driving device, a torque motor and a manual driving device are respectively connected at two ends of a connecting output shaft, the torque motor and the manual driving device are arranged at the input end of a worm gear mechanism, the number of rotation turns is large, and an original half-coupling structure cannot be adopted. Meanwhile, the requirements of a unit protection system and reliability cannot be met, and proper mature clutch products can not be selected, so that the design is required according to the unit requirements.
The invention comprises the following steps:
the invention overcomes and improves the defects of the prior art, and provides a disturbance-free switching device which is used for realizing the switching between the automatic control and the manual control of a main turbine unit of a high-power ship and simultaneously realizing the real-time measurement of the torque of a cam steam distribution mechanism. Can be popularized and used on a large scale.
The invention adopts the technical scheme that: the undisturbed switching device comprises a hydraulic clutch, a reduction gearbox and a torque measuring device, wherein the hydraulic clutch comprises a first shell, a shaft, a flange, a toothed sleeve, a gear, a second shell, a piston and a spring, the toothed sleeve is fixedly arranged on the first shell through the shaft, a bearing is arranged between the toothed sleeve and the first shell, a bearing is arranged between the toothed sleeve and the shaft, and the gear is connected with the piston through a bolt; the second shell is provided with a power oil port, the piston is arranged in the second shell, the bottom of the piston is provided with a spring seat and a spring, a thrust bearing is arranged between the spring seat and the piston, and the lower part of the spring is arranged on the flange; the shaft is connected with the piston through a guide flat key; the box body of the reduction gear box is connected with the second shell of the hydraulic clutch through a flange, a pair of first bevel gears and second bevel gears which are in orthogonal transmission are arranged in the reduction gear box, the first bevel gears are arranged on a shaft, the installation position is adjusted through an adjusting cushion block, the second bevel gears are arranged on a transmission shaft, the installation position is adjusted through an adjusting cushion ring, and the transmission shaft is arranged on the box body through a bearing; the torque measuring device comprises a torque sensor and a connecting flange, the torque measuring device is arranged at an outlet of the reduction gear box, an outer ring of the torque sensor is arranged on the bottom plate, one end of an inner ring of the torque sensor is connected with the transmission shaft through the connecting flange, and the other end of the inner ring of the torque sensor is connected with the hand wheel of the main vehicle through a universal coupling.
When the piston moves, the gear is driven to act, so that the gear is disengaged or meshed with the tooth-shaped sleeve.
The piston is driven to act by the spring force of the spring when the power oil is cut off.
The power oil cavity of the hydraulic clutch is sealed with the outside through a combined sealing ring.
The reduction ratio of the first bevel gear and the second bevel gear is 2.5.
The box body is arranged on the bearing end cover.
The invention has the beneficial effects that: the undisturbed switching device is used for realizing the switching between automatic control and manual control of the main turbine unit of the high-power ship and simultaneously realizing the real-time measurement of the torque of the cam steam distribution mechanism; the hydraulic clutch is disengaged when power oil is input, and engaged when the power oil is cut off, so that the undisturbed switching between automatic control and manual control of the unit can be realized; the reduction gear box is used for reducing the input torque of the hand wheel of the main vehicle, so that the hand wheel meets the requirements of ergonomics and is convenient to operate; the torque measuring device is arranged at the outlet of the reduction gear box, so that the torque of the cam steam distribution mechanism can be measured, and the reliability of the system is improved.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
The specific embodiment is as follows:
referring to fig. 1, a disturbance-free switching device comprises a hydraulic clutch, a reduction gearbox and a torque measuring device, wherein the hydraulic clutch comprises a first shell 12, a shaft 6, a flange 17, a toothed sleeve 14, a gear 13, a second shell 8, a piston 16 and a spring 7, the toothed sleeve 14 is fixed on the first shell 12 through the shaft 6, a bearing is arranged between the toothed sleeve 14 and the first shell 12, a bearing is arranged between the toothed sleeve 14 and the shaft 6, the gear 13 is connected with the piston 16 through a bolt, and the gear 13 is driven to act when the piston 16 moves so as to be disconnected or meshed with the toothed sleeve 14; the second shell 8 is provided with a power oil port, the piston 16 is arranged in the second shell 8, the bottom of the piston 16 is provided with a spring seat 9 and a spring 7, when the power oil is cut off, the piston 16 is driven to act by the spring force of the spring 7, a thrust bearing 11 is arranged between the spring seat 9 and the piston 16, the lower part of the spring 7 is arranged on a flange 17, and a power oil cavity of the hydraulic clutch is sealed with the outside through a combined sealing ring 10; the shaft 6 is connected with the piston 16 through a guide flat key 15; the box body 1 of the reduction gear box is connected with the second shell 8 of the hydraulic clutch through a flange 17, a pair of first bevel gears 4 and second bevel gears 18 which are in orthogonal transmission are arranged in the reduction gear box, the reduction ratio of the reduction gear box is 2.5, the first bevel gears 4 are arranged on the shaft 6, the installation position is adjusted through an adjusting cushion block 5, the second bevel gears 18 are arranged on the transmission shaft 3, the installation position is adjusted through an adjusting washer 21, and the transmission shaft 3 is arranged on the box body 1 through a bearing; the torque measuring device comprises a torque sensor 20 and a connecting flange 19, the torque measuring device is arranged at the outlet of the reduction gear box, the outer ring of the torque sensor 20 is arranged on a bottom plate 22, one end of the inner ring of the torque sensor is connected with the transmission shaft 3 through the connecting flange 19, and the other end of the inner ring of the torque sensor is connected with a hand wheel of a main car through a universal coupling; the box body 1 is arranged on the bearing end cover 2.
When manual control is adopted, the power oil leading to the undisturbed switching device is cut off through the three-way valve, the power oil port is connected with the oil drain port, the piston 16 of the hydraulic clutch moves upwards under the action of spring force, the clutch is meshed, when the hand wheel of the vehicle is rotated, the torque measuring device is driven to rotate, then the hydraulic clutch is driven to rotate through the reduction gearbox, and finally the driving device is driven to rotate.
When the automatic control is adopted, power oil is input through a power oil port on the shell of the undisturbed switching device, the piston 16 of the hydraulic clutch moves downwards under the action of the power oil pressure, the hydraulic clutch is disconnected, the toothed sleeve 14 rotates along with the positive drive device, and the gear part is stationary.
Claims (6)
1. The utility model provides a no disturbance auto-change over device, includes hydraulic clutch, reduction gear box and torque measurement device, its characterized in that: the hydraulic clutch comprises a first shell (12), a shaft (6), a flange (17), a toothed sleeve (14), a gear (13), a second shell (8), a piston (16) and a spring (7), wherein the toothed sleeve (14) is arranged on the first shell (12) through the shaft (6), a bearing is arranged between the toothed sleeve (14) and the first shell (12), a bearing is arranged between the toothed sleeve (14) and the shaft (6), and the gear (13) is connected with the piston (16) through a bolt; the second shell (8) is provided with a power oil port, the piston (16) is arranged in the second shell (8), the bottom of the piston (16) is provided with a spring seat (9) and a spring (7), a thrust bearing (11) is arranged between the spring seat (9) and the piston (16), and the lower part of the spring (7) is arranged on the flange (17); the shaft (6) is connected with the piston (16) through a guide flat key (15); the box body (1) of the reduction gear box is connected with the second shell (8) of the hydraulic clutch through a flange (17), a pair of first bevel gears (4) and second bevel gears (18) which are in orthogonal transmission are arranged in the reduction gear box, the first bevel gears (4) are arranged on a shaft (6), the installation positions are adjusted through adjusting cushion blocks (5), the second bevel gears (18) are arranged on a transmission shaft (3), the installation positions are adjusted through adjusting gaskets (21), and the transmission shaft (3) is arranged on the box body (1) through bearings; the torque measuring device comprises a torque sensor (20) and a connecting flange (19), the torque measuring device is arranged at an outlet of a reduction gear box, an outer ring of the torque sensor (20) is arranged on a bottom plate (22), one end of an inner ring of the torque sensor is connected with a transmission shaft (3) through the connecting flange (19), and the other end of the torque sensor is connected with a hand wheel of a main vehicle through a universal coupling.
2. A bumpless transfer device as claimed in claim 1, wherein: when the piston (16) moves, the gear (13) is driven to act, so that the gear is disconnected or meshed with the tooth-shaped sleeve (14).
3. A bumpless transfer device as claimed in claim 1, wherein: when the power oil is cut off, the piston (16) is driven by the spring force of the spring (7).
4. A bumpless transfer device as claimed in claim 1, wherein: the power oil cavity of the hydraulic clutch is sealed with the outside through a combined sealing ring (10).
5. A bumpless transfer device as claimed in claim 1, wherein: the reduction ratio of the first bevel gear (4) to the second bevel gear (18) is 2.5.
6. A bumpless transfer device as claimed in claim 1, wherein: the box body (1) is arranged on the bearing end cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710819982.0A CN107401428B (en) | 2017-09-13 | 2017-09-13 | Undisturbed switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710819982.0A CN107401428B (en) | 2017-09-13 | 2017-09-13 | Undisturbed switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107401428A CN107401428A (en) | 2017-11-28 |
| CN107401428B true CN107401428B (en) | 2023-05-16 |
Family
ID=60388219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710819982.0A Active CN107401428B (en) | 2017-09-13 | 2017-09-13 | Undisturbed switching device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107401428B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204098966U (en) * | 2014-10-13 | 2015-01-14 | 重庆红江机械有限责任公司 | A kind of steam turbine single direction rotation hydrodynamic governor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB769558A (en) * | 1952-12-11 | 1957-03-13 | Victor Salome | Improvements in or relating to delayed-action clutches |
| GB951943A (en) * | 1960-06-24 | 1964-03-11 | Paul Edward Pontius | Synchronizing clutch |
| US4230152A (en) * | 1978-01-16 | 1980-10-28 | Fiat-Allis Construction Machinery, Inc. | Multi-function control valve |
| US6884131B2 (en) * | 2002-01-16 | 2005-04-26 | Yamaha Marine Kabushiki Kaisha | Shift mechanism for marine propulsion unit |
| KR100442475B1 (en) * | 2004-01-15 | 2004-07-30 | 한승우 | Compact Transmission installed between bevel and differential gear |
| CN201739392U (en) * | 2010-06-11 | 2011-02-09 | 德阳市利通印刷机械有限公司 | Oil cylinder structure of hydraulic clutch brake |
| CN104314622B (en) * | 2014-10-13 | 2015-09-02 | 重庆红江机械有限责任公司 | A kind of governor for steam turbine |
| CN105257346A (en) * | 2015-11-13 | 2016-01-20 | 中国船舶重工集团公司第七�三研究所 | Control mode switching device for main steam turbine of ship |
| CN106121745B (en) * | 2016-08-30 | 2018-02-23 | 中国船舶重工集团公司第七�三研究所 | A kind of speed change electrohydraulic actuator for marine steam turbine valve |
| CN207161155U (en) * | 2017-09-13 | 2018-03-30 | 中国船舶重工集团公司第七0三研究所 | A kind of switching undisturbed device |
-
2017
- 2017-09-13 CN CN201710819982.0A patent/CN107401428B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204098966U (en) * | 2014-10-13 | 2015-01-14 | 重庆红江机械有限责任公司 | A kind of steam turbine single direction rotation hydrodynamic governor |
Non-Patent Citations (1)
| Title |
|---|
| 大功率船用齿轮箱传动系统和结构系统耦合特性分析;朱才朝;陆波;徐向阳;王海霞;;船舶力学(第11期);全文 * |
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| Publication number | Publication date |
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| CN107401428A (en) | 2017-11-28 |
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