CN113879114A - Special power transmission case system for airport fire engine - Google Patents
Special power transmission case system for airport fire engine Download PDFInfo
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- CN113879114A CN113879114A CN202111158029.9A CN202111158029A CN113879114A CN 113879114 A CN113879114 A CN 113879114A CN 202111158029 A CN202111158029 A CN 202111158029A CN 113879114 A CN113879114 A CN 113879114A
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- power
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- wet clutch
- input
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 230000001050 lubricating effect Effects 0.000 claims description 15
- 230000001815 facial effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/06—Auxiliary drives from the transmission power take-off
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Retarders (AREA)
Abstract
The invention provides a special power transmission case system for an airport fire truck, which is characterized in that a first input power shaft is output to an upper mounting output end through a first wet clutch and a second wet clutch to provide power for an upper mounting pump, the first input power shaft and the second wet clutch are connected through a power coupling planetary gear set, two paths of power are coupled and then transmitted to a first output shaft and a second output shaft to carry out steering driving, the first input power shaft can be mounted, the second input power shaft can carry out steering driving, power is well distributed, and the use requirement is met.
Description
Technical Field
The invention relates to the field of vehicle transmission, in particular to a special power transmission case system for an airport fire truck.
Background
When a fire accident occurs in an airport, the fire disaster fighting is urgently needed to be carried out on the accident site, and the special fire fighting vehicle for the airport is needed under the condition that the power transmission system is needed to transmit power, and the dual power input of a motor and an engine is generally adopted. The prior art patent CN112158070A discloses a power distribution device, which comprises a power input shaft, a locking wet clutch, a hydraulic torque converter, a modulating wet clutch, a main power output shaft and an upper power take-off mechanism, wherein the power input shaft is provided with a power input flange, a friction plate of the locking wet clutch is connected with a turbine shaft of the hydraulic torque converter, the friction plate of the modulating wet clutch is connected with a pump wheel shaft of the hydraulic torque converter, the power input flange is rigidly connected with a shell of the modulating wet clutch through a shell, the main power output shaft is connected with the turbine shaft of the hydraulic torque converter, the outer side of the modulating wet clutch is provided with a large gear, the upper power take-off mechanism is connected with the large gear, the controller controls the actions of the locking wet clutch, the modulating wet clutch and the upper power take-off wet clutch, so that three different working modes of the power distribution device can be realized. However, it is necessary to distribute the power of the hybrid power, and the hybrid power system includes the power of the engine and the power of the motor, and it is necessary to distribute the two input powers for the two input powers, and then output the power for the fire extinguishing operation of the upper pump, and output the steering and driving power, so that it is necessary to solve the problem.
Disclosure of Invention
In order to solve the problems, the invention provides a special power transmission case system for an airport fire fighting truck, which is characterized in that a first input power shaft is output to a loading output end through a first wet clutch and a second wet clutch to provide power for a loading pump, the first input power shaft and the second wet clutch are connected through a power coupling planetary gear set, two paths of power are coupled and then transmitted to a first output shaft and a second output shaft to be steered and driven, the first input power shaft can be loaded, the second input power shaft is steered and driven, the power is well distributed, the use requirement is met, and the problems in the background technology are solved.
The invention aims to provide a special power transmission case system for an airport fire truck, which comprises a first input power shaft, a second input power shaft, a first wet clutch and a second wet clutch;
the first input power shaft is connected with the first wet clutch, and the tail end of the first wet clutch is connected with the second wet clutch through a gear;
the second wet clutch is also connected with a lubricating shaft, and the lubricating shaft is connected with a lubricating pump; the second tail end of the wet clutch is connected with an upper mounting output end;
the first wet clutch is connected with a bearing of the lubricating shaft through a gear;
the input power shaft II is connected with the output shaft I and the output shaft II through a power coupling planetary gear set, and the lubricating shaft is also connected with the power coupling planetary gear set.
The further improvement lies in that: one end of the output shaft is a steering output end, and the steering output end is connected with a steering pump.
The further improvement lies in that: and a differential lock and a differential are arranged on the second output shaft.
The further improvement lies in that: the output shaft II is positioned at one end of the differential lock and is an output end III; the second output shaft is located at one end of the differential lock and is the fourth output end.
The further improvement lies in that: and the output end three and the output end four are connected with a vehicle chassis drive, and the chassis drive form comprises 4 × 4,6 × 6 and 8 × 8.
The further improvement lies in that: and the first wet clutch and the second wet clutch are controlled to be on and off through a hydraulic system and a proportional solenoid valve execution control mechanism.
The further improvement lies in that: the method comprises the following steps of: under the working condition, the first wet clutch is in an engaged state, the power of the first input power shaft is transmitted to the power coupling planetary gear set, the second wet clutch is in a disconnected state, the output end of the upper assembly is unpowered to output, and the power coupling planetary gear set transmits the power of the first input power shaft and the power of the second input power shaft to the first output shaft and the second output shaft to carry out steering driving.
The further improvement lies in that: including turning to go + facial make-up output operating mode: under the working condition, the first wet clutch is in an engaged state, and transmits part of power of the first input power shaft to the power coupling planetary gear set; the wet clutch II is in an engaged state, and the other part of power input into the power shaft I is output through the upper-mounted output end; and the power coupling planetary gear set transmits the power of the input power shaft I and the input power shaft II to the output shaft I and the output shaft II for steering driving.
The further improvement lies in that: including turning to go + full power facial make-up output operating mode: under the working condition, the first wet clutch is in a disconnected state, and the power input into the first power shaft does not participate in chassis driving; the wet clutch II is in an engaged state, and all power input into the power shaft I is output through the upper-mounted output end; and the power coupling planetary gear set transmits the power input into the power shaft II to the output shaft I and the output shaft II for steering driving.
The invention has the beneficial effects that: according to the invention, the first input power shaft is output to the first loading output end through the first wet clutch and the second wet clutch to provide power for the loading pump, the second input power shaft and the first wet clutch are connected through the power coupling planetary gear set, two paths of power are coupled and then transmitted to the first output shaft and the second output shaft to carry out steering driving, and the first input power shaft can be loaded, the second input power shaft can carry out steering driving, so that power is well distributed, and the use requirement is met; one end of the output shaft is connected with a steering pump to provide power for steering; the output shaft II is provided with a differential lock and a differential mechanism to set an output end III and an output end IV so as to meet the requirements of different running working conditions of a chassis driving system, including the driving types of 4X4,6X6 and 8X 8; the whole transmission case can realize three working conditions of steering driving, steering driving plus loading output working condition and steering driving plus full-power loading output working condition, and well meets the use requirement of the airport fire truck.
Drawings
FIG. 1 is a schematic of the present invention.
FIG. 2 is a schematic diagram of a power transmission route according to the second embodiment.
FIG. 3 is a schematic illustration of three power transmission routes according to an embodiment.
FIG. 4 is a schematic illustration of a four power transmission path of an embodiment.
Wherein: 1-input power shaft I, 2-input power shaft II, 3-wet clutch I, 4-wet clutch II, 5-lubricating shaft, 6-lubricating pump, 7-upper-mounted output end, 8-power coupling planetary gear set, 9-output shaft I, 10-steering pump, 11-output shaft II, 12-differential lock, 13-differential mechanism, 14-output end III and 15-output end IV.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1, the present embodiment provides a power transmission case system for an airport fire fighting truck, which includes a first input power shaft 1, a second input power shaft 2, a first wet clutch 3, and a second wet clutch 4; the input power shaft I1 is connected with a wet clutch I3, and the tail end of the wet clutch I3 is connected with a wet clutch II 4 through a gear; the second wet clutch 4 is also connected with a lubricating shaft 5, and the lubricating shaft 5 is connected with a lubricating pump 6; the tail end of the second wet clutch 4 is connected with an upper mounting output end 7;
the first wet clutch 3 is connected with a bearing of the lubricating shaft 5 through a gear; the second input power shaft 2 is connected with the first output shaft 9 and the second output shaft 11 through a power coupling planetary gear set 8, and the lubricating shaft 5 is also connected with the power coupling planetary gear set 8. Therefore, the input power shaft I1 is output to the upper assembly output end 7 through the wet clutch I3 and the wet clutch II 4 to provide power for the upper assembly pump, the input power shaft II 2 and the wet clutch I3 are connected through the power coupling planetary gear set 8, two paths of power are coupled and then transmitted to the output shaft I9 and the output shaft II 11 to be steered and driven, the input power shaft I1 can be also mounted, the input power shaft II 2 is steered and driven, power is well distributed, and the use requirement is met
The tail end of the first output shaft 9 is a steering output end, and the steering output end is connected with a steering pump 10. And a differential lock 12 and a differential 13 are arranged on the second output shaft 11. The output shaft II 11 is positioned at one end of the differential lock 12 and is an output end III 14; the output shaft II 11 is positioned at one end of the differential lock 12 and is an output end IV 15. And the output end three 14 and the output end four 15 are connected with a vehicle chassis drive, and the chassis drive is 6x 6. And the on-off of the wet clutch I3 and the wet clutch II 4 is controlled by a hydraulic system and a proportional electromagnetic valve execution control mechanism. The tail end of the first output shaft 9 is connected with a steering pump 10 to provide power for steering; the second output shaft 11 is provided with a differential lock 12 and a differential 13 to set a third output end 14 and a fourth output end 15 so as to meet the requirements of different running conditions of the chassis driving system.
Example two:
as shown in fig. 2, the present embodiment provides a steering driving condition of a power transmission case system dedicated for an airport fire fighting truck: firstly, a hydraulic system and a proportional solenoid valve execution control mechanism control a first wet clutch 3 to be opened, the hydraulic system and the proportional solenoid valve execution control mechanism control a second wet clutch 4 to be disconnected, the first wet clutch 3 is in a connection state, power of an input power shaft 1 is transmitted to a power coupling planetary gear set 8, the second wet clutch 4 is in a disconnection state, so that an upper mounting output end 7 is in unpowered output, the power coupling planetary gear set 8 transmits power of the input power shaft 1 to a first output shaft 9 and a second output shaft 11 through the power of the first wet clutch 3 and the power of the input power shaft 2, the first output shaft 9 is connected with a steering pump 10 to provide steering power, the second output shaft 11 is connected with a third output end 14 and a fourth output end 15 to provide power for chassis driving, and therefore the two paths of power are all used for driving.
Example three:
as shown in fig. 3, the present embodiment provides a steering driving + loading output condition of the power transmission case system special for the airport fire fighting truck: firstly, a hydraulic system and a proportional solenoid valve execution control mechanism control a first wet clutch 3 to be opened, the hydraulic system and the proportional solenoid valve execution control mechanism control a second wet clutch 4 to be opened, the first wet clutch 3 is in a joint state under the working condition, part of power of an input power shaft 1 is transmitted to a power coupling planetary gear set 8, and the other part of power of the input power shaft 1 is subjected to power output through an upper output end 7 through the second wet clutch 4; the power coupling planetary gear set 8 transmits the power of the input power shaft I1 to the output shaft I9 and the output shaft II 11 through the wet clutch I3 and the power of the input power shaft II 2, the output shaft I9 is connected with the steering pump 10 to provide steering power, the output shaft II 11 is connected with the output end III 14 and the output end IV 15 to provide power for chassis driving, the power of the input power shaft I1 in the two paths of power can be divided into two paths, one path is provided with fire protection, and the other path is coupled with the power of the input power shaft II 2 and then is used for steering driving.
Example four:
as shown in fig. 4, the present embodiment provides a steering driving + full power loading output condition of a power transmission case system dedicated for an airport fire fighting truck: firstly, the hydraulic system and the proportional solenoid valve execution control mechanism control the first wet clutch 3 to be disconnected, the hydraulic system and the proportional solenoid valve execution control mechanism control the second wet clutch 4 to be opened, the first wet clutch 3 is in a disconnected state under the working condition, the power of the input power shaft I1 does not participate in chassis driving, the second wet clutch 4 is in a connected state, and all the power of the input power shaft I1 is subjected to power output through the second wet clutch 4 through the upper-mounted output end 7; the power coupling planetary gear set 8 only transmits the power of the input power shaft II 2 to the output shaft I9 and the output shaft II 11, the output shaft I9 is connected with the steering pump 10 to provide steering power, the output shaft II 11 is connected with the output end III 14 and the output end IV 15 to provide power for driving the chassis, so that the input power shaft I1 is only used for upper fire protection, the requirement for upper fire protection is met to the maximum extent, the power of the input power shaft II 2 is only used for steering, and the requirement for running of a fire engine is met.
Claims (8)
1. A power transmission case system special for an airport fire truck comprises a first input power shaft (1), a second input power shaft (2), a first wet clutch (3) and a second wet clutch (4);
the method is characterized in that: the first input power shaft (1) is connected with the first wet clutch (3), and the tail end of the first wet clutch (3) is connected with the second wet clutch (4) through a gear;
the second wet clutch (4) is also connected with a lubricating shaft (5), and the lubricating shaft (5) is connected with a lubricating pump (6); the tail end of the second wet clutch (4) is connected with an upper mounting output end (7);
the wet clutch I (3) is connected with a bearing of the lubricating shaft (5) through a gear;
the second input power shaft (2) is connected with the first output shaft (9) and the second output shaft (11) through a power coupling planetary gear set (8), and the lubricating shaft (5) is also connected with the power coupling planetary gear set (8).
2. The power transmission case system for the airport fire fighting vehicle of claim 1, wherein: the first output shaft (9) is a tail end steering output end, and the steering output end is connected with a steering pump (10).
3. The power transmission case system for the airport fire fighting vehicle of claim 2, wherein: and a differential lock (12) and a differential (13) are arranged on the second output shaft (11).
4. The power transmission case system for the airport fire fighting vehicle of claim 3, wherein: the output shaft II (11) is positioned at one end of the differential lock (12) and is an output end III (14); the output shaft II (11) is positioned at one end of the differential lock (12) and is an output end IV (15).
5. The power transmission case system for the airport fire fighting vehicle of claim 4, wherein: and the output end three (14) and the output end four (15) are connected with a vehicle chassis drive, and the chassis drive form comprises 4x4,6x6, 8x 8.
6. The power transmission case system for the airport fire fighting vehicle of claim 4, wherein: the method comprises the following steps of: under the working condition, the first wet clutch (3) is in an engaged state, the power of the first input power shaft (1) is transmitted to the power coupling planetary gear set (8), the second wet clutch (4) is in a disconnected state, the upper mounting output end (7) does not have power output, and the power coupling planetary gear set (8) transmits the power of the first input power shaft (1) and the second input power shaft (2) to the first output shaft (9) and the second output shaft (11) for steering driving.
7. The power transmission case system for the airport fire fighting vehicle of claim 4, wherein: including turning to go + facial make-up output operating mode: under the working condition, the first wet clutch (3) is in an engaged state, and transmits a part of power of the first input power shaft (1) to the power coupling planetary gear set (8); the second wet clutch (4) is in an engaged state, and the other part of power input into the first power shaft (1) is output through the upper mounting output end (7); and the power coupling planetary gear set (8) transmits the power of the input power shaft I (1) and the input power shaft II (2) to the output shaft I (9) and the output shaft II (11) for steering driving.
8. The power transmission case system for the airport fire fighting vehicle of claim 4, wherein: including turning to go + full power facial make-up output operating mode: under the working condition, the wet clutch I (3) is in a disconnected state, and the power of the input power shaft I (1) does not participate in chassis driving; the second wet clutch (4) is in an engaged state, and all power input into the first power shaft (1) is output through the upper mounting output end (7); and the power coupling planetary gear set (8) transmits the power input into the power shaft II (2) to the output shaft I (9) and the output shaft II (11) for steering running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158029.9A CN113879114A (en) | 2021-09-30 | 2021-09-30 | Special power transmission case system for airport fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158029.9A CN113879114A (en) | 2021-09-30 | 2021-09-30 | Special power transmission case system for airport fire engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113879114A true CN113879114A (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111158029.9A Pending CN113879114A (en) | 2021-09-30 | 2021-09-30 | Special power transmission case system for airport fire engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN113879114A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014827A (en) * | 2018-01-09 | 2019-07-16 | 郑州宇通客车股份有限公司 | A kind of heavy type mine car pure electric vehicle dynamical system and mine car |
| WO2020074340A1 (en) * | 2018-10-11 | 2020-04-16 | Agco International Gmbh | Utility vehicle driveline |
| CN111114305A (en) * | 2019-12-17 | 2020-05-08 | 凯博易控车辆科技(苏州)股份有限公司 | Commercial vehicle power system with limping and power taking functions |
| CN111483307A (en) * | 2019-01-29 | 2020-08-04 | 郑州宇通客车股份有限公司 | Electric vehicle power system and mine car |
-
2021
- 2021-09-30 CN CN202111158029.9A patent/CN113879114A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014827A (en) * | 2018-01-09 | 2019-07-16 | 郑州宇通客车股份有限公司 | A kind of heavy type mine car pure electric vehicle dynamical system and mine car |
| WO2020074340A1 (en) * | 2018-10-11 | 2020-04-16 | Agco International Gmbh | Utility vehicle driveline |
| CN111483307A (en) * | 2019-01-29 | 2020-08-04 | 郑州宇通客车股份有限公司 | Electric vehicle power system and mine car |
| CN111114305A (en) * | 2019-12-17 | 2020-05-08 | 凯博易控车辆科技(苏州)股份有限公司 | Commercial vehicle power system with limping and power taking functions |
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