CN211693375U - Gear box capable of reducing or increasing speed - Google Patents
Gear box capable of reducing or increasing speed Download PDFInfo
- Publication number
- CN211693375U CN211693375U CN201921598204.4U CN201921598204U CN211693375U CN 211693375 U CN211693375 U CN 211693375U CN 201921598204 U CN201921598204 U CN 201921598204U CN 211693375 U CN211693375 U CN 211693375U
- Authority
- CN
- China
- Prior art keywords
- input shaft
- clutch
- input
- output shaft
- friction plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a gear box for speed reduction or speed increase, which relates to the field of gear box transmission and mainly comprises a box body, an input shaft, a control valve and an output shaft, wherein the control valve is fixedly arranged on the upper part of the box body; the input coupling is fixed on the input end of the input shaft, a driving gear is fixedly arranged on the input shaft, one end of the driving gear is provided with a clutch seat for installing an inner friction plate, an outer friction plate, a piston and a return spring are arranged in a clutch shell fixedly arranged on the input shaft, and the inner friction plate and the outer friction plate form a clutch and are controlled by a control valve; the driving gear is meshed with a driven gear fixedly arranged on the output shaft; and one end of the output shaft is provided with an output coupling for outputting power. The utility model has the advantages that: the clutch, acceleration or deceleration functions of the gear box are effectively integrated, the output shaft and the input shaft are oppositely arranged, and the working condition requirements of a water jet propulsion pump used on a high-speed ship are met while high-speed operation is realized; the gear box can be widely applied to high-speed ships or other gear box transmission fields.
Description
Technical Field
The utility model relates to a driven field of gear box, concretely relates to gear box of speed reduction or acceleration rate.
Background
High-speed ships engaged in water passenger transport or entertainment have high requirements on the advancing speed of ship bodies, and water jet propulsion pumps are often adopted to replace traditional propellers to serve as power devices. The use of the water jet propulsion pump provides higher requirements for the traditional gearbox, the existing gearbox is generally single in function, and only a clutch gearbox which utilizes a clutch to realize the clutch function or a clutch reduction gearbox which combines the clutch and the gear together is used. There is no multifunctional gear box that can integrate the functions of clutch, speed reduction and speed increase.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a gear box of speed reduction or acceleration rate, have simple structure, the separation and reunion and the increase and decrease speed of integration gear box satisfy the advantage of the operating mode requirement of water jet propulsion pump simultaneously.
The purpose of the utility model is accomplished through following technical scheme: the gear box for reducing or increasing speed mainly comprises a box body, an input shaft, a control valve and an output shaft, wherein the control valve is fixedly arranged at the upper part of the box body; an input coupling driven by a diesel engine or a motor is fixed on the input end of an input shaft, a driving gear is fixedly arranged on the input shaft, a clutch seat is arranged at one end of the driving gear and used for installing an inner friction plate, a clutch shell is fixedly arranged on the input shaft, an outer friction plate, a piston and a return spring are arranged in the clutch shell, the piston and the return spring are tightly attached to the input shaft, and the inner friction plate and the outer friction plate form a clutch and are controlled by a control valve; the driving gear is meshed with a driven gear fixedly arranged on the output shaft; and one end of the output shaft is provided with an output coupling for outputting power.
Furthermore, the input shaft is supported on the box body through a bearing B, C, the output shaft is supported on the box body through a bearing A, D, the rear end of the input shaft is connected with the duplex oil pump through an input rear end cover, one oil pump in the duplex oil pump is controlled through a control valve to convey working oil to the clutch from the input rear end cover and an oil passage of the input shaft, a piston is pushed and an inner friction plate and an outer friction plate are pressed, namely the clutch is combined, so that the driving gear rotates and drives the driven gear to rotate together, the output shaft rotates along with the driving gear and outputs power through an output coupling, and equipment connected with the rear part of the output coupling works; and the other oil pump in the duplex oil pump is used for the work of the rear connecting equipment.
Furthermore, an output coupling on the output shaft adopts a high-elasticity coupling, so that the high-speed stable rotation of the output shaft is ensured.
The utility model has the advantages that: the clutch, acceleration or deceleration functions of the gear box are effectively integrated, the output shaft and the input shaft are oppositely arranged, and the working condition requirements of a water jet propulsion pump used on a high-speed ship are met while high-speed operation is realized; the gear box can be widely applied to high-speed ships or other gear box transmission fields.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Description of reference numerals: the double-clutch transmission comprises a box body 1, a bearing A2, an input coupling 3, a bearing B4, an input shaft 5, a driving gear 6, a return spring 7, a control valve 8, an inner friction plate 9, an outer friction plate 10, a piston 11, a bearing C12, an input rear end cover 13, a double-oil pump 14, an output coupling 15, a clutch shell 16, a bearing D17, an output shaft 18 and a driven gear 19.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example (b): as shown in the attached drawings, the gear box for reducing or increasing speed mainly comprises a box body 1, an input shaft 5, a control valve 8 and an output shaft 18, wherein the control valve 8 is fixedly arranged at the upper part of the box body 1; an input coupling 3 driven by a diesel engine or a motor is fixed on the input end of an input shaft 5, a driving gear 6 is fixedly arranged on the input shaft 5, one end of the driving gear 6 is provided with a clutch seat for installing an inner friction plate 9, a clutch shell 16 is fixedly arranged on the input shaft 5, an outer friction plate 10, a piston 11 and a return spring 7 are arranged in the clutch shell 16, the piston 11 and the return spring 7 are tightly attached to the input shaft 5, and the inner friction plate 9 and the outer friction plate 10 form a clutch and are controlled by a control valve 8; the driving gear 6 is meshed with a driven gear 19 fixedly arranged on an output shaft 18; one end of the output shaft 18 is provided with an output coupling 15 for outputting power; the input shaft 5 is supported on the box body 1 through bearings B, C4 and 12, the output shaft 18 is supported on the box body 1 through bearings A, D2 and D17, the rear end of the input shaft 5 is connected with the duplex oil pump 14 through an input rear end cover 13, one oil pump in the duplex oil pump 14 is controlled through the control valve 8 to convey working oil to the clutch from the oil passages of the input rear end cover 13 and the input shaft 5, the piston 11 is pushed and the inner and outer friction plates 9 and 10 are pressed, namely the clutch is combined, so that the driving gear 6 rotates and drives the driven gear 19 to rotate together, the output shaft 18 rotates along with the clutch and outputs power through the output coupling 15, the water jet propulsion pump connected to the rear part of the output coupling 15 works, and the ship is driven to advance at high speed; the other oil pump in the dual oil pump 14 is used for the operation of the water-spraying propulsion pump.
Preferably, the input shaft 5 and the output shaft 18 are arranged in parallel, and are directly driven by the driving gear 6 and the driven gear 19, so that the output shaft and the input shaft are reversely rotated, and the working requirements of the water jet propulsion pump on the high-speed boat are met.
Preferably, the output coupling 15 on the output shaft 5 is a high-elasticity coupling, so that the output shaft 5 can stably rotate at high speed.
The utility model discloses a working process: the diesel engine or the motor inputs power to the input coupling 3, the control valve 8 controls the transmission of working oil from the duplex oil pump 14 to the clutch, the piston 11 is pushed and the inner and outer friction plates 9 and 10 are pressed, the clutch is combined, the working oil is transmitted to the driven gear 19 through the driving gear 6 on the input shaft 5 connected with the input coupling 3, the output shaft 18 connected with the driven gear rotates along with the clutch, and drives the water jet propulsion pump connected with the rear part of the output coupling 15 to work, the high-speed advance of the ship is realized, and the speed reduction or the speed increase is realized by utilizing the driving gear 6 and the driven gear 19; the clutch is controlled to be disengaged through the control valve 8, the driving gear 6 and the driven gear 19 are separated, and transmission stopping is achieved.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (3)
1. A gear box for reducing or increasing speed is characterized in that: the device mainly comprises a box body (1), an input shaft (5), a control valve (8) and an output shaft (18), wherein the control valve (8) is fixedly arranged at the upper part of the box body (1); an input coupling (3) driven by a diesel engine or a motor is fixed on the input end of an input shaft (5), a driving gear (6) is fixedly arranged on the input shaft (5), a clutch seat is arranged at one end of the driving gear (6) and used for installing an inner friction plate (9), a clutch shell (16) is fixedly arranged on the input shaft (5), an outer friction plate (10), a piston (11) and a return spring (7) are arranged in the clutch shell (16), the piston (11) and the return spring (7) are tightly attached to the input shaft (5), and the inner friction plate (9) and the outer friction plate (10) form a clutch and are controlled by a control valve (8); the driving gear (6) is meshed with a driven gear (19) fixedly arranged on an output shaft (18); one end of the output shaft (18) is provided with an output coupling (15) for outputting power.
2. A reduction or increase gearbox according to claim 1 wherein: the input shaft (5) is supported on the box body (1) through bearings B, C (4, 12), the output shaft (18) is supported on the box body (1) through bearings A, D (2, 17), the rear end of the input shaft (5) is connected with the dual oil pump (14) through an input rear end cover (13), one oil pump in the dual oil pump (14) is controlled through a control valve (8) to convey working oil to a clutch from an oil passage of the input rear end cover (13) and the input shaft (5), a piston (11) is pushed and inner and outer friction plates (9, 10) are pressed, namely the clutch is combined, so that a driving gear (6) rotates and simultaneously drives a driven gear (19) to rotate together, the output shaft (18) rotates along with the driving gear and outputs power through an output coupling (15), and equipment connected with the rear part of the output coupling (15) works; the other oil pump in the duplex oil pump (14) is used for the operation of the rear connecting equipment.
3. A reduction or increase gearbox according to claim 1 wherein: an output coupling (15) on the output shaft (18) adopts an elastic coupling, so that the output shaft (18) can stably rotate at a high speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598204.4U CN211693375U (en) | 2019-09-24 | 2019-09-24 | Gear box capable of reducing or increasing speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598204.4U CN211693375U (en) | 2019-09-24 | 2019-09-24 | Gear box capable of reducing or increasing speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211693375U true CN211693375U (en) | 2020-10-16 |
Family
ID=72770514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921598204.4U Active CN211693375U (en) | 2019-09-24 | 2019-09-24 | Gear box capable of reducing or increasing speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211693375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725896A (en) * | 2019-09-24 | 2020-01-24 | 杭州萧山江南通用机械有限公司 | Gear box capable of reducing or increasing speed |
| CN113236715A (en) * | 2021-05-26 | 2021-08-10 | 河南柴油机重工有限责任公司 | Transmission device of single cylinder engine |
-
2019
- 2019-09-24 CN CN201921598204.4U patent/CN211693375U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725896A (en) * | 2019-09-24 | 2020-01-24 | 杭州萧山江南通用机械有限公司 | Gear box capable of reducing or increasing speed |
| CN113236715A (en) * | 2021-05-26 | 2021-08-10 | 河南柴油机重工有限责任公司 | Transmission device of single cylinder engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2374647B1 (en) | Dual gear train driving structure at input side of basin-type gear | |
| KR101762693B1 (en) | Marine gearbox by using power-split planetary gear-train | |
| CN211693375U (en) | Gear box capable of reducing or increasing speed | |
| CN110131390B (en) | Gear box for oil-electricity hybrid power input ship | |
| CN104329433A (en) | Double-flow transmission gearbox for hydraulic machine of tractor | |
| CN109131817B (en) | Ship propulsion system | |
| CN202130568U (en) | High-power decelerating clutch gearbox with PTO and PTI functions | |
| CN106246859A (en) | A kind of buncher of composite hydraulic torque converter | |
| CN201313631Y (en) | Twin-engine single-shaft rear power transmission propelling device for boat | |
| CN111059263A (en) | New forms of energy oil electricity double dynamical input gear box | |
| CN101462589B (en) | Double-motor uniaxle power transmission propulsion unit for ship | |
| CN110725896A (en) | Gear box capable of reducing or increasing speed | |
| CN203670634U (en) | Gearbox capable of achieving multi-head power output | |
| CN210686875U (en) | Multi-output marine gearbox | |
| CN201143880Y (en) | Hydraulic transmission water propulsion unit for vehicle | |
| CN213479115U (en) | New energy oil-electricity double-power input gear box | |
| CN213017529U (en) | Special speed ratio structure of gear box | |
| CN110345205B (en) | Multi-output marine gearbox | |
| CN103612736A (en) | Water-jet propulsion system with gear case | |
| CN202158158U (en) | Hydraulic clutch gear box | |
| CN202828075U (en) | Three output high-power marine gearbox | |
| CN203512015U (en) | Double-speed gear transmission | |
| WO2016112804A1 (en) | Composite axial-flow type hydraulic torque converter and continuously variable transmission | |
| CN202896866U (en) | Double speed ratio marine gearbox | |
| KR101272723B1 (en) | Auto transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |