CN217539541U - High-performance gearbox with full-power takeoff for fire engine - Google Patents
High-performance gearbox with full-power takeoff for fire engine Download PDFInfo
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- CN217539541U CN217539541U CN202221114431.7U CN202221114431U CN217539541U CN 217539541 U CN217539541 U CN 217539541U CN 202221114431 U CN202221114431 U CN 202221114431U CN 217539541 U CN217539541 U CN 217539541U
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- power takeoff
- gearbox
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Abstract
The utility model provides a high performance takes gearbox of full power takeoff for fire engine belongs to the technical field of gearbox, including an axle full power takeoff and gearbox owner case, an axle full power takeoff is furnished with lubricating oil cooling device, is furnished with rearmounted flange formula power takeoff on the gearbox owner case. The utility model provides a gearbox of high performance area full power takeoff for fire engine from taking a full power takeoff lubricating oil cooler, can effectively cool down to a full power takeoff, can satisfy the needs of fire engine long time work to be equipped with rearmounted flange formula power takeoff, provide extra power take off interface for the fire engine, satisfy the diversified user demand of fire engine function.
Description
Technical Field
The utility model belongs to the technical field of the gearbox, a gearbox of full power takeoff is taken to high performance for fire engine is specifically disclosed.
Background
The fire engine is an important device for ensuring the life and property safety of people, and when a large or extra-large fire disaster is extinguished, the fire engine needs to continuously work for several or even dozens of hours with high power. At present, a typical chassis special for an airport fire truck is provided with one or two high-horsepower engines, and a power distributor is required to be installed when one engine is adopted, so that the engine can drive a vehicle and a fire pump simultaneously; two engines are used, one of which can be used as a vehicle drive or a fire engine pump.
The engine receives self output characteristic restriction, starts acceleration performance relatively poor, and engine emission influences the environment, and the waste gas that starts the production at parking garage needs to be handled specially, and the vehicle needs the driving power of getting, and the vehicle can travel with different speeds of a motor vehicle when requiring water pump full power to beat water, and this power of getting mode is difficult to realize. CN202022467799.9 discloses a motor area power takeoff mechanism of oil electricity parallel connection hybrid airport fire engine chassis, including driving motor, gearbox and power takeoff, driving motor's output is provided with first gear, the power takeoff is including first clutch and second clutch, the output of first clutch and the input transmission cooperation that supplies the gearbox, the input of first clutch is fixed at first gear terminal surface, first gear meshing has the second gear, the second gear meshing has the third gear, the input of second clutch is fixed at the third gear terminal surface, the output transmission cooperation of second clutch has the power takeoff output shaft. The power takeoff problem of parallelly connected hybrid airport fire engine specialty chassis fire control water pump of oil electricity is solved to this patent, and reduce cost can realize nimble drive mode through the different combinations of engine and motor, can reduce fuel consumption. However, after the gearbox works for a period of time, the oil temperature of the power takeoff rises, and the work must be stopped, so that the power takeoff is cooled, and the working performance of the fire engine is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high performance takes gearbox of full power takeoff for fire engine to there is the difficult problem of cooling of power takeoff in the current fire engine gearbox of taking the power takeoff of improvement.
In order to achieve the purpose, the utility model provides a high-performance gearbox with a full-power takeoff for a fire engine, which comprises an axle full-power takeoff and a gearbox main box, wherein a transition plate for connecting the axle full-power takeoff and a gearbox main box middle shell is fixed on the gearbox main box middle shell through a first hexagon socket head cap screw, the axle full-power takeoff is installed on the transition plate through a second hexagon socket head cap screw, and a gearbox main box clutch shell is connected with the axle full-power takeoff through a first installation screw; the shaft full-power takeoff is provided with a lubricating oil cooling device; the lubricating oil cooling device is driven by the electric power of the whole vehicle and is internally provided with a lubricating oil plunger pump and a lubricating oil cooler; an oil inlet of the lubricating oil plunger pump is connected with the lubricating oil cooler, a first oil outlet is connected with an oil inlet of a power takeoff output shaft gear pump through a power takeoff output shaft gear pump oil inlet pipe, and a second oil outlet is connected with front and rear bearing oil inlet pipes of a power takeoff intermediate shaft; an oil outlet of the gear pump of the power takeoff output shaft respectively lubricates front and rear bearings of the power takeoff output shaft through front and rear bearing lubricating oil pipes of the power takeoff output shaft, and an oil return port is connected with a lubricating oil cooler through an oil return pipe of the gear pump of the power takeoff output shaft; the front and rear bearing oil inlet pipes of the power takeoff intermediate shaft respectively lubricate the front and rear bearings of the power takeoff intermediate shaft through the front and rear bearing lubricating oil pipes of the power takeoff intermediate shaft; the front and rear bearing lubricating oil pipes of the power takeoff output shaft and the front and rear bearing lubricating oil pipes of the power takeoff intermediate shaft are connected with a power takeoff oil return pipe, and the power takeoff oil return pipe is connected with a lubricating oil cooler.
Further, above-mentioned for fire engine gearbox of full power takeoff is taken to high performance still includes rearmounted flange formula power takeoff, lid passes through the second construction bolt connection behind the rear end face of gearbox main tank mesochite and the integral type, lid is connected behind rearmounted flange formula power takeoff through third construction bolt and the integral type, the internal spline of rearmounted flange formula power takeoff and the external spline cooperation of gearbox main tank jackshaft output, gearbox output flange passes through output flange lock nut and fastens on the output shaft of gearbox main part.
Furthermore, the main box of the gearbox is horizontally mounted.
Furthermore, the maximum output torque of a shaft full-power takeoff is 1400Nm, and pneumatic double-cylinder control is adopted.
Further, the maximum output torque of the rear flange power takeoff is 700Nm.
The utility model has the advantages of it is following:
the utility model provides a gearbox of high performance area full power takeoff for fire engine from taking a full power takeoff lubricating oil cooler, can effectively cool down to a full power takeoff, can satisfy the needs of fire engine long time work to be equipped with rearmounted flange formula power takeoff, provide extra power take off interface for the fire engine, satisfy the diversified user demand of fire engine function.
Drawings
FIG. 1 is a schematic diagram of a high performance transmission with a full power takeoff for a fire engine;
FIG. 2 is a schematic diagram of a connection of a shaft full power takeoff with a transmission main case;
FIG. 3 is a schematic diagram of a shaft full power takeoff coupled to a lube oil cooling unit;
FIG. 4 is a schematic view of the connection of the transmission main case to the rear power takeoff;
in the figure: 1 is a shaft full-power takeoff; 1-2 is a gear pump of an output shaft of the power takeoff; 1-3 is a front and rear bearing lubricating oil pipe of the power takeoff intermediate shaft; 1-4 are oil inlet pipes of front and rear bearings of an intermediate shaft of the power takeoff; 1-5 is an oil inlet pipe of a gear pump of an output shaft of the power takeoff; 1-6 are gear pump oil return pipes of output shafts of the power takeoff; 1-7 is an oil return pipe of the power takeoff; 2 is a main box of the gearbox; 2-1 is a middle shell of a main box of the gearbox; 2-2 is a clutch shell of a main box of the gearbox; 2-3 is a transition plate; 2-4 is a first hexagon socket head cap screw; 2-5 is a second hexagon socket screw; 2-6 are first mounting bolts; 2-7 is the output end of the intermediate shaft of the main box of the gearbox; 2-8 are gear box main box odometer sensors; 2-9 are an integrated rear cover; 2-10 is a second mounting bolt; 2-11 is a third mounting bolt; 2-12 is a gear box output flange; 2-13 are output flange locking nuts; 3 is a rear flange type power takeoff; and 4, a lubricating oil cooling device.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment provides a high-performance gearbox with a full-power takeoff for a fire engine, which comprises a shaft full-power takeoff 1, a gearbox main box 2, a transition plate 2-3 used for connecting the shaft full-power takeoff 1 with a gearbox main box middle shell 2-1, a first inner hexagon bolt 2-4 fixed on the gearbox main box middle shell 2-1, the first shaft full-power takeoff 1 is installed on a transition plate 2-3 through a second hexagon socket head cap screw 2-5, and a clutch shell 2-2 of a main box of the gearbox is connected with the first shaft full-power takeoff 1 through a first installation bolt 2-6; a shaft full-power takeoff 1 device is provided with a lubricating oil cooling device 4; the lubricating oil cooling device 4 is driven by the electric power of the whole vehicle and is internally provided with a lubricating oil plunger pump and a lubricating oil cooler; an oil inlet of the lubricating oil plunger pump is connected with a lubricating oil cooler, a first oil outlet is connected with an oil inlet of a power takeoff output shaft gear pump 1-2 through a power takeoff output shaft gear pump oil inlet pipe 1-5, and a second oil outlet is connected with a power takeoff intermediate shaft front and rear bearing oil inlet pipe 1-4; an oil outlet of the power takeoff output shaft gear pump 1-2 respectively lubricates front and rear bearings of the power takeoff output shaft through front and rear bearing lubricating oil pipes (not shown in the figure), and an oil return port is connected with a lubricating oil cooler through an oil return pipe 1-6 of the power takeoff output shaft gear pump; front and rear bearing oil inlet pipes 1-4 of the power takeoff intermediate shaft respectively lubricate front and rear bearings of the power takeoff intermediate shaft through front and rear bearing lubricating oil pipes 1-3 of the power takeoff intermediate shaft; the front and rear bearing lubricating oil pipes of the output shaft of the power takeoff and the front and rear bearing lubricating oil pipes 1 to 3 of the intermediate shaft of the power takeoff are connected with oil return pipes 1 to 7 of the power takeoff, and the oil return pipes 1 to 7 of the power takeoff are connected with a lubricating oil cooler.
The lubricating oil plunger pump pumps lubricating oil to a gear pump 1-2 of an output shaft of the power takeoff and an oil inlet pipe 1-4 of a front bearing and a rear bearing of a middle shaft of the power takeoff respectively; the gear pump 1-2 of the power takeoff output shaft pumps lubricating oil to the front and rear bearings of the power takeoff output shaft for lubrication through the front and rear bearing lubricating oil pipes of the power takeoff output shaft, the used lubricating oil flows back to the front and rear bearing lubricating oil pipes of the power takeoff output shaft, and flows back to a lubricating oil cooler through the oil return pipe 1-7 of the power takeoff to finish the lubrication of the front and rear bearings of the power takeoff output shaft; lubricating oil of front and rear bearing oil inlet pipes 1-4 of the power take-off intermediate shaft respectively lubricates front and rear bearings of the power take-off intermediate shaft through front and rear bearing lubricating oil pipes 1-3 of the power take-off intermediate shaft, then flows back to the front and rear bearing lubricating oil pipes 1-3 of the power take-off intermediate shaft, and flows back to a lubricating oil cooler through power take-off oil return pipes 1-7, so that the front and rear bearings of the power take-off intermediate shaft are lubricated.
Furthermore, the high-performance gearbox with the full-power takeoff for the fire engine further comprises a rear flange power takeoff 3, the rear end face of a middle shell 2-1 of a main gearbox is connected with an integrated rear cover 2-9 through a second mounting bolt 2.10, the rear flange power takeoff 3 is connected with the integrated rear cover 2-9 through a third mounting bolt 2-11, an internal spline of the rear flange power takeoff 3 is matched with an external spline of an output end 2-7 of a middle shaft of the main gearbox, and an output flange 2-12 of the gearbox is fastened on an output shaft of a main gearbox body through an output flange locking nut 2-13.
In the embodiment, a shaft full-power takeoff 1, a gearbox main box 2, a rear flange type power takeoff 3 and a lubricating oil cooling device 4 are all existing products. The main gearbox 2 is horizontally mounted. The one-shaft full-power takeoff 1 adopts a pneumatic double-cylinder control power takeoff with the maximum output torque of 1400 Nm. The rear flange power take-off 3 is selected as the power take-off with the maximum output torque of 700Nm. The high-performance gearbox with the full-power takeoff for the fire engine can be matched with a high-pressure water pump with the torque of 1400Nm or less and the power of 280KW or less, and can meet the continuous working time of 200 hours at most.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A high-performance gearbox with a full-power takeoff for a fire engine comprises a first-shaft full-power takeoff and a gearbox main box, wherein a transition plate for connecting the first-shaft full-power takeoff and a gearbox main box middle shell is fixed on the gearbox main box middle shell through a first inner hexagon bolt;
it is characterized in that a shaft full-power takeoff is provided with a lubricating oil cooling device;
the lubricating oil cooling device is driven by the electric power of the whole vehicle and is internally provided with a lubricating oil plunger pump and a lubricating oil cooler;
an oil inlet of the lubricating oil plunger pump is connected with the lubricating oil cooler, a first oil outlet is connected with an oil inlet of a power takeoff output shaft gear pump through a power takeoff output shaft gear pump oil inlet pipe, and a second oil outlet is connected with front and rear bearing oil inlet pipes of a power takeoff intermediate shaft;
an oil outlet of the gear pump of the power takeoff output shaft respectively lubricates front and rear bearings of the power takeoff output shaft through front and rear bearing lubricating oil pipes of the power takeoff output shaft, and an oil return port is connected with a lubricating oil cooler through an oil return pipe of the gear pump of the power takeoff output shaft;
the front and rear bearing oil inlet pipes of the power takeoff intermediate shaft respectively lubricate the front and rear bearings of the power takeoff intermediate shaft through the front and rear bearing lubricating oil pipes of the power takeoff intermediate shaft;
the front and rear bearing lubricating oil pipes of the power takeoff output shaft and the front and rear bearing lubricating oil pipes of the power takeoff intermediate shaft are connected with a power takeoff oil return pipe, and the power takeoff oil return pipe is connected with a lubricating oil cooler.
2. The high-performance gearbox with full-power takeoff device for fire engine as claimed in claim 1, further comprising a rear flange power takeoff, wherein the rear end face of the middle shell of the main gearbox is connected with the integrated rear cover through a second mounting bolt, the rear flange power takeoff is connected with the integrated rear cover through a third mounting bolt, an internal spline of the rear flange power takeoff is matched with an external spline of the output end of the middle shaft of the main gearbox, and the output flange of the gearbox is fastened on the output shaft of the main gearbox body through an output flange lock nut.
3. The high-performance transmission with the full-power takeoff for the fire engine as claimed in claim 2, wherein the main transmission case is horizontally mounted.
4. The high performance transmission with full power takeoff as claimed in claim 3, wherein a shaft full power takeoff with a maximum torque of 1400Nm is controlled by pneumatic double cylinders.
5. The transmission of claim 4, wherein the maximum output torque of the rear flange power takeoff is 700Nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221114431.7U CN217539541U (en) | 2022-05-11 | 2022-05-11 | High-performance gearbox with full-power takeoff for fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221114431.7U CN217539541U (en) | 2022-05-11 | 2022-05-11 | High-performance gearbox with full-power takeoff for fire engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539541U true CN217539541U (en) | 2022-10-04 |
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ID=83435437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221114431.7U Active CN217539541U (en) | 2022-05-11 | 2022-05-11 | High-performance gearbox with full-power takeoff for fire engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539541U (en) |
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2022
- 2022-05-11 CN CN202221114431.7U patent/CN217539541U/en active Active
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