CN217736201U - Torque distributable sandwich power takeoff - Google Patents
Torque distributable sandwich power takeoff Download PDFInfo
- Publication number
- CN217736201U CN217736201U CN202221174490.3U CN202221174490U CN217736201U CN 217736201 U CN217736201 U CN 217736201U CN 202221174490 U CN202221174490 U CN 202221174490U CN 217736201 U CN217736201 U CN 217736201U
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- power takeoff
- power
- torque
- gear
- takeoff
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Abstract
The utility model discloses a sandwich power takeoff with distributable torque, which comprises a power takeoff shell, a power takeoff input shaft and a synchronizer, wherein the power takeoff input shaft is provided with a power takeoff input gear, the power takeoff shell is also internally provided with a power takeoff output shaft, the power takeoff output shaft is fixedly sleeved with a power takeoff output gear, and a torque distribution device is connected between the power takeoff input gear and the power takeoff output gear in a transmission way; due to the arrangement of the torque distribution device, the torque is automatically adjusted or distributed according to the power take-off requirement of the loading system of the concrete mixer truck and the power requirement of walking on the road surface, the working state of the whole truck at the optimal oil consumption is ensured on the premise of meeting the power take-off change requirement of the loading system, and the energy loss caused by the fault of the loading system (power take-off requirement interruption) in the running process is avoided, so that the oil consumption is reduced, the timely torque distribution of the power take-off of the loading system and the power of the whole truck is realized, the blank of timely four-wheel drive of the power take-off is filled, and the industrial development is promoted.
Description
Technical Field
The utility model relates to a power takeoff technical field for the engineering vehicle especially relates to a moment of torsion distributable formula sandwich power takeoff.
Background
With the rapid development of national infrastructure, the application quantity and frequency of engineering motor vehicles such as concrete mixer trucks and the like are increased more and more, and in order to facilitate the realization of relevant functions of the engineering vehicles, a sandwich power takeoff is arranged on the vehicles and is used for obtaining power from an engine to drive a loading system to work. The sandwich power takeoff is one of power takeoff which can work when the vehicle is at rest and can obtain the full power of the engine, and can work when the vehicle is running and can obtain only partial power of the engine, and is widely applied to concrete mixer trucks and middle and low-end fire engines based on the characteristic.
As shown in fig. 2, the prior art sandwich power takeoff includes an input shaft 21, a synchronizer 22, a synchronizing bevel wheel 23, a power takeoff input gear 24, a power takeoff output gear 25, a power takeoff output shaft 26, a power takeoff housing 27, a power takeoff intermediate gear 28, and a power takeoff countershaft 29, which are mounted on or in a housing and cooperate with each other. Therefore, the mechanism of the existing sandwich power takeoff is mainly driven by gears, power can be transmitted to an input shaft to maintain the vehicle to run in the running process, and meanwhile, power can be transmitted to the power takeoff to maintain the work of each actuating mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a provide one kind and travel in-process, can be according to the power demand of power takeoff demand and walking on the road surface, the automatic distribution moment of torsion ensures that whole car is in best oil consumption operating condition's moment of torsion distributable sandwich power takeoff.
In order to solve the technical problem, the technical scheme of the utility model is that: torque distributable sandwich power takeoff, including the power takeoff casing, run through the power takeoff casing rotates and installs the power takeoff input shaft, is located in the power takeoff casing fixed mounting has the synchronous ware on the power takeoff input shaft, in the power takeoff casing be equipped with on the power takeoff input shaft with the power takeoff input gear that the synchronous ware transmission is connected, in the power takeoff casing with the parallel power takeoff output shaft that is equipped with of power takeoff input shaft, the power takeoff output shaft with power takeoff casing normal running fit and power take off end extend to the outside of power takeoff casing, fixed some power takeoff output gears of suit on the power takeoff output shaft, power takeoff input gear with the transmission is connected with torque distributor between the power takeoff output gear.
Preferably, the torque distribution device comprises a power take-off intermediate shaft rotatably mounted in the power take-off housing, the power take-off intermediate shaft is arranged between the power take-off input shaft and the power take-off output shaft, a viscous coupler is mounted on the power take-off intermediate shaft, a power take-off intermediate shaft input gear meshed with the power take-off input gear is mounted on one side of the viscous coupler, and a power take-off intermediate shaft output gear meshed with the power take-off output gear is mounted on the other side of the viscous coupler.
As an improvement of the technical scheme, a synchronous bevel wheel is coaxially arranged with the power takeoff input gear, the synchronous bevel wheel is fixedly connected with the power takeoff input gear, and the power takeoff input gear is in rotating fit with the power takeoff input shaft.
By adopting the technical scheme, the sandwich power takeoff with the distributable torque comprises a power takeoff shell, wherein a power takeoff input shaft is rotatably arranged through the power takeoff shell, a synchronizer is fixedly arranged on the power takeoff input shaft in the power takeoff shell, a power takeoff input gear in transmission connection with the synchronizer is arranged on the power takeoff input shaft in the power takeoff shell, a power takeoff output shaft is arranged in the power takeoff shell in parallel with the power takeoff input shaft, the power takeoff output shaft is in rotating fit with the power takeoff shell, a power output end extends to the outer side of the power takeoff shell, a power takeoff output gear is fixedly sleeved on the power takeoff output shaft, and a torque distribution device is in transmission connection between the power takeoff input gear and the power takeoff output gear; the utility model discloses following beneficial effect has: the torque distribution device is used for a concrete mixer truck, torque can be automatically adjusted or distributed according to the power take-off requirement of a loading system of the concrete mixer truck and the power requirement of walking on the road surface in the running process, the working state of the whole truck at the best oil consumption is guaranteed on the premise of meeting the power take-off change requirement of the loading system, and extra energy loss caused by faults (power take-off requirement interruption) of the loading system in the running process is avoided, so that the oil consumption is reduced, the timely torque distribution of the power take-off of the loading system and the power of the whole truck is realized, the blank of timely four-wheel drive of the power take-off is filled, and the industrial development is facilitated to be promoted.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1 is a transmission schematic diagram of an embodiment of the present invention;
FIG. 2 is a prior art transmission schematic;
in the figure: 1-power takeoff shell; 2-power takeoff input shaft; 3-a synchronizer; 4-power takeoff input gear; 5-synchronous cone pulley; 6-power takeoff output shaft; 7-power takeoff output gear; 8-power take-off intermediate shaft; 9-a viscous coupler; 10-power takeoff intermediate shaft input gear; 11-output gear of intermediate shaft of power takeoff; 21-an input shaft; 22-a synchronizer; 23-a synchronous cone pulley; 24-power take-off input gear; 25-power takeoff output gear; 26-a power take-off output shaft; 27-power take-off housing; 28-power take-off intermediate gear; 29-power take-off intermediate shaft.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, a torque distributable sandwich power take-off is used to power an upper-mounted system on a construction motor vehicle such as a concrete mixer vehicle. The power takeoff device comprises a power takeoff shell 1, wherein a power takeoff input shaft 2 is rotatably arranged through the power takeoff shell 1 and used for obtaining power from an engine, transmitting the power to a transmission and a power takeoff and used for driving a vehicle to walk and realizing the driving of a vehicle upper assembly system. And a synchronizer 3 is fixedly mounted on the power takeoff input shaft 2 in the power takeoff shell 1, and the synchronizer 3 is connected with an operation shifting fork and used for realizing combination and disconnection of the internal gear through external operation. In the power takeoff casing 1 be equipped with on the power takeoff input shaft 2 with power takeoff input gear 4 that 3 transmissions of synchronous ware are connected, with power takeoff input gear 4 is coaxial to be equipped with synchronous cone pulley 5, just synchronous cone pulley 5 with 4 fixed connection of power takeoff input gear, power takeoff input gear 4 with 2 normal running fit of power takeoff input shaft, through synchronous cone pulley 5 with the cooperation of synchronous ware 3, realize the input of power and cut off.
And a power takeoff output shaft 6 is arranged in the power takeoff shell 1 and is parallel to the power takeoff input shaft 2, the power takeoff output shaft 6 is in running fit with the power takeoff shell 1, and a power output end extends to the outer side of the power takeoff shell 1 and is used for transmitting power to an upper assembling system. And a power takeoff output gear 7 is fixedly sleeved on the power takeoff output shaft 6, and a torque distribution device is connected between the power takeoff input gear 4 and the power takeoff output gear 7 in a transmission manner. The torque distribution device can distribute torque according to specific working conditions, so that the power take-off of a loading system is met, and the whole vehicle can work in a working state with optimal oil consumption.
Specifically, the torque distribution device includes a power take-off intermediate shaft 8 rotatably mounted in the power take-off housing 1, the power take-off intermediate shaft 8 is disposed between the power take-off input shaft 2 and the power take-off output shaft 6, a viscous coupler 9 is mounted on the power take-off intermediate shaft 8, a power take-off intermediate shaft input gear 10 engaged with the power take-off input gear 4 is mounted on one side of the viscous coupler 9, a power take-off intermediate shaft output gear 11 engaged with the power take-off output gear 7 is mounted on the other side of the viscous coupler 9, and the engagement between the two gears is a long engagement manner, and the rotational engagement between each gear, shaft and the power take-off housing 1 is completed under the cooperation of bearings, and the specific structure and working principle of the viscous coupler 9 are well known to those skilled in the art, and will not be described in detail herein.
In this embodiment, the power takeoff input shaft 2 transmits power from an engine end, a driver operates a shifting fork to perform power takeoff operation, so that the synchronizer 3 is combined with the synchronous bevel wheel 5, and at this time, the power is divided into two parts: part of power is transmitted into the transmission through the power takeoff input shaft 2, and is transmitted to the transmission shaft after speed change, so that running power is provided for the whole vehicle; another part power process power takeoff jackshaft input gear 10 power takeoff jackshaft 8 viscous coupler 9 power takeoff jackshaft output gear 11 power takeoff output gear 7 with power takeoff output shaft 6 transmits for the facial make-up system, at this in-process, viscous coupler 9 can judge according to the power takeoff demand of facial make-up system and the power of going demand of whole car, then carries out timely torque distribution to guarantee the rational distribution of facial make-up system power takeoff and whole car power.
The utility model is used for on the concrete mixer truck, owing to set up the torque distribution device, can be according to the power demand of the upper assembling system power takeoff demand of concrete mixer truck and walking on the road surface at the in-process of traveling, automatic regulation or distribution moment of torsion, under the prerequisite that satisfies the power demand of the upper assembling system power takeoff change demand, guarantee to put in order the vehicle work at the operating condition of best oil consumption, avoid the extra loss of energy that the in-process upper assembling system trouble (power takeoff demand interrupt) caused of traveling, thereby reduce the oil consumption, the in time torque distribution of the upper assembling system power takeoff and whole car power has been realized, the blank of the right-time four-wheel drive of power takeoff has been filled, be favorable to promoting the trade development.
The description of the present invention has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (3)
1. Torque distributable formula sandwich power takeoff, including the power takeoff casing, run through the power takeoff casing rotates installs the power takeoff input shaft, is located in the power takeoff casing last fixed mounting of power takeoff input shaft has the synchronous ware, its characterized in that: the power takeoff casing in be equipped with on the power takeoff input shaft with the power takeoff input gear that the synchronizer transmission is connected, in the power takeoff casing with power takeoff input shaft parallel is equipped with the power takeoff output shaft, the power takeoff output shaft with power takeoff casing normal running fit and power take off end extend to the outside of power takeoff casing, the power takeoff output gear that is fixed the suit on the power takeoff output shaft, power takeoff input gear with the transmission is connected with moment of torsion distributor between the power takeoff output gear.
2. The torque distributable sandwich power take-off of claim 1, wherein: torque distributor includes the power takeoff jackshaft of power takeoff casing internal rotation installation, the power takeoff jackshaft is located the power takeoff input shaft with between the power takeoff output shaft, install viscous coupling on the power takeoff jackshaft, viscous coupling one side install with the power takeoff jackshaft input gear of power takeoff input gear meshing, viscous coupling opposite side install with the power takeoff jackshaft output gear of power takeoff output gear meshing.
3. The torque distributable sandwich power take-off of claim 1, wherein: and a synchronous bevel wheel is coaxially arranged with the power takeoff input gear, the synchronous bevel wheel is fixedly connected with the power takeoff input gear, and the power takeoff input gear is in rotating fit with the power takeoff input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221174490.3U CN217736201U (en) | 2022-05-16 | 2022-05-16 | Torque distributable sandwich power takeoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221174490.3U CN217736201U (en) | 2022-05-16 | 2022-05-16 | Torque distributable sandwich power takeoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736201U true CN217736201U (en) | 2022-11-04 |
Family
ID=83837296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221174490.3U Expired - Fee Related CN217736201U (en) | 2022-05-16 | 2022-05-16 | Torque distributable sandwich power takeoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736201U (en) |
-
2022
- 2022-05-16 CN CN202221174490.3U patent/CN217736201U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |