CN211398439U - Transfer case assembly with hydraulic clutch - Google Patents
Transfer case assembly with hydraulic clutch Download PDFInfo
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- CN211398439U CN211398439U CN201921715371.2U CN201921715371U CN211398439U CN 211398439 U CN211398439 U CN 211398439U CN 201921715371 U CN201921715371 U CN 201921715371U CN 211398439 U CN211398439 U CN 211398439U
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- oil
- output shaft
- cylinder
- transfer case
- hydraulic
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a transfer case assembly with hydraulic clutch, including the clutch part, the input shaft, output shaft and transfer case part, the driving gear links to each other with transfer gear all the time, transfer gear can carry out power take off all the time, the clutch part is including work and separation two kinds of states, when the clutch part is in the separation state, the output shaft does not have power take off, when hydraulic oil gets into the hydro-cylinder by hydraulic pressure oil circuit, hydraulic oil promotes the piston motion, the piston removes the vice subassembly of extrusion friction, the vice torque transmission with the rotor of friction gives the hydro-cylinder, and then through output shaft output power, at this moment, the clutch part is in operating condition. The transfer gear of the transfer case part is used as a power take-off port in constant meshing, the output shaft is used as a main power take-off port, the clutch part controls work and separation, the working state of the clutch is converted through the oil cylinder and the friction pair assembly, the friction pair assembly is small in size, large in transmitted torque, high in reliability and convenient to maintain.
Description
Technical Field
The utility model relates to a special type vehicle, special equipment power control distribution system and peripheral supporting device technical field especially relate to a transfer case assembly with hydraulic clutch.
Background
The transfer case is a device that distributes power of the engine, and can distribute power as needed. The working environment of large special vehicles is complex, particularly agricultural machines are often required to walk in farmlands or mountainous regions, particularly military vehicles have worse running conditions, which requires increasing the number of driving wheels of the equipment, and therefore, large equipment mostly adopts multi-shaft driving and static pressure driving. Under the working condition, the power distribution is realized by the transfer case (for example, in a large cotton picker, under the picking working condition, the engine not only drives the vehicle to move forward, but also drives the hydraulic pump to generate a hydraulic source to drive relevant hydraulic components, and simultaneously drives the cotton picking fan).
The traditional transfer case does not have a hydraulic clutch for controlling power output, the energy consumption is high when the transfer case is used, the power loss is large, the reliability is low, and in addition, the clutch with the traditional structure is inconvenient to maintain and easily pollutes the environment.
Therefore, how to provide a clutch transfer case with convenient and reliable operation, energy saving and low consumption becomes a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transfer case assembly with hydraulic clutch to solve the problem that above-mentioned prior art exists, make the transfer case convenient operation who has the clutch reliable, energy saving and consumption reduction.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a transfer case assembly with hydraulic clutch, include:
the clutch comprises a rotor, a driving gear, a friction pair assembly, an oil cylinder, a piston, a pressure bearing disc and a shell, wherein the rotor is connected with the driving gear, the friction pair assembly is sleeved outside the rotor and arranged in the shell, the friction pair assembly comprises a plurality of groups of first friction discs and second friction discs which are arranged at intervals, the friction pair assembly can be connected with the shell and the rotor, the piston is slidably arranged in the oil cylinder, the pressure bearing disc and the piston are respectively arranged on two sides of the friction pair assembly, the pressure bearing disc is sleeved outside the rotor, and the shell is connected with the oil cylinder and the pressure bearing disc;
the driving gear is sleeved outside the input shaft and connected with the input shaft, the relative sliding direction of the piston and the oil cylinder is parallel to the axis of the input shaft, and the oil cylinder is rotatably connected with the input shaft;
the oil cylinder is connected with the output shaft, the output shaft and the input shaft are coaxially arranged, a hydraulic oil path is arranged in the output shaft, and the hydraulic oil path is communicated with an inner cavity of the oil cylinder;
the transfer case comprises a transfer gear, an idler, an upper shell and a lower shell, the transfer gear is in transmission connection with the driving gear through the idler, the upper shell is covered on the outer portion of the oil cylinder, the lower shell is covered on the outer portions of the driving gear, the idler and the transfer gear, and the upper shell is detachably connected with the lower shell.
Preferably, the hydraulic oil path comprises a control oil path and a cooling oil path, and the hydraulic oil path and the cooling oil path are both communicated with the inner cavity of the oil cylinder.
Preferably, the transfer case assembly with the hydraulic clutch further comprises a rotary oil supply joint, the rotary oil supply joint is sleeved outside the output shaft and is rotatably connected with the output shaft, the rotary oil supply joint comprises a control oil port and a cooling oil port, the control oil port is communicated with the control oil path, and the cooling oil port is communicated with the cooling oil path.
Preferably, the rotary oil supply joint further comprises a sealing ring and a bushing, the sealing ring is sleeved outside the output shaft, the bushing is arranged between the output shaft and the rotary oil supply joint and is abutted against the bushing, a self-aligning bearing and a ball bearing are arranged between the rotary oil supply joint and the output shaft, and the self-aligning bearing and the ball bearing are located on two sides of the bushing.
Preferably, the rotary oil supply joint is connected with the upper shell, the upper shell is further provided with a lubricating oil path, the rotary oil supply joint is provided with a lubricating oil port, and the lubricating oil port is communicated with the lubricating oil path.
Preferably, still set up reset spring in the hydro-cylinder, reset spring's both ends set up reset ring and spring holder respectively, set up in the spring holder and hold reset spring's pit, reset spring's one end set up in the pit, reset spring's the other end with reset ring looks butt, reset ring with piston looks butt, reset ring slidable ground set up in the hydro-cylinder, reset ring with the relative slip direction of hydro-cylinder with the piston with the relative slip direction of hydro-cylinder parallels.
Preferably, the first friction plate is a metal sintered plate, the first friction plate is connected with the shell through an external spline, the second friction plate is a hardened steel plate, and the second friction plate is connected with the rotor through an internal spline.
Preferably, the number of the transfer gears is two, and the two transfer gears are respectively meshed with the idle gear.
The utility model discloses for prior art gain following technological effect: the utility model discloses a transfer case assembly with hydraulic clutch, including clutch part, the input shaft, output shaft and transfer case part, wherein, clutch part includes the rotor, the driving gear, the vice subassembly of friction, the hydro-cylinder, the piston, pressure-bearing disc and casing, the rotor links to each other with the driving gear, the vice subassembly of friction suit is in the outside of rotor, the vice subassembly of friction sets up in the casing, the vice subassembly of friction includes first friction disc and the second friction disc that multiunit interval set up, the vice subassembly of friction can connect casing and rotor, the piston slidable ground sets up in the hydro-cylinder, pressure-bearing disc and piston set up respectively in the both sides of the vice subassembly of friction, the pressure-bearing disc suit is in the outside of rotor, casing connection hydro-cylinder and pressure; the driving gear is sleeved outside the input shaft and connected with the input shaft, the relative sliding directions of the piston and the oil cylinder are parallel to the axis of the input shaft, and the oil cylinder is rotatably connected with the input shaft; the oil cylinder is connected with the output shaft, the output shaft and the input shaft are coaxially arranged, a hydraulic oil path is arranged in the output shaft, and the hydraulic oil path is communicated with an inner cavity of the oil cylinder; the transfer case part comprises a transfer gear, an idler, an upper shell and a lower shell, the transfer gear is in transmission connection with the driving gear through the idler, the upper shell is covered on the outer portion of the oil cylinder, the lower shell is covered on the outer portion of the driving gear, the idler and the transfer gear, and the upper shell is detachably connected with the lower shell. The utility model discloses a transfer case assembly with hydraulic clutch, the driving gear links to each other with the transfer gear transmission all the time, transfer gear can carry out power take off all the time, the clutch part is including work and separation two kinds of states, when the clutch part is in the separation state, the output shaft does not have power take off, when hydraulic oil gets into the hydro-cylinder by hydraulic pressure oil circuit, hydraulic oil promotes the piston motion, the piston removes the extrusion friction pair subassembly, the friction pair transmits the torque of rotor for the hydro-cylinder, and then through output shaft output power, at this moment, the clutch part is in operating condition. The transfer gear of the transfer case part is used as a power take-off port in constant meshing, the output shaft is used as a main power take-off port, the clutch part controls work and separation, the working state of the clutch is converted through the oil cylinder and the friction pair assembly, the friction pair assembly is small in size, large in transmitted torque, high in reliability and convenient to maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic sectional view of a transfer case assembly having a hydraulic clutch according to the present invention;
FIG. 2 is a side view of a transfer case assembly with a hydraulic clutch of the present invention;
the hydraulic oil-supply device comprises a rotor 1, a driving gear 2, a friction pair assembly 3, an oil cylinder 4, a piston 5, a pressure-bearing disc 6, a shell 7, an input shaft 8, an output shaft 9, a transfer gear 10, an idler gear 11, an upper shell 12, a lower shell 13, a hydraulic oil circuit 14, a rotary oil-supply joint 15, a sealing ring 16, a bushing 17, an oil return opening 18, a return spring 19, a return ring 20 and a spring seat 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 utility model aims at providing a transfer case assembly with hydraulic clutch to solve the problem that above-mentioned prior art exists, make the transfer case convenient operation who has the clutch reliable, energy saving and consumption reduction.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-2, fig. 1 is a schematic sectional view of a transfer case assembly with a hydraulic clutch according to the present invention, and fig. 2 is a side view of the transfer case assembly with a hydraulic clutch according to the present invention.
The utility model provides a transfer case assembly with hydraulic clutch, include:
the clutch part, the clutch part includes rotor 1, driving gear 2, friction pair subassembly 3, hydro-cylinder 4, piston 5, bearing plate 6 and casing 7, rotor 1 links to each other with driving gear 2, friction pair subassembly 3 suit is in the outside of rotor 1, friction pair subassembly 3 sets up in casing 7, friction pair subassembly 3 includes first friction disc and the second friction disc of multiunit interval setting, casing 7 and rotor 1 can be connected to friction pair subassembly 3, piston 5 slidable sets up in hydro-cylinder 4, bearing plate 6 sets up respectively in the both sides of friction pair subassembly 3 with piston 5, bearing plate 6 suit is in the outside of rotor 1, casing 7 connection hydro-cylinder 4 and bearing plate 6.
The input shaft 8, driving gear 2 suit is in the outside of input shaft 8, and driving gear 2 links to each other with input shaft 8, and the relative sliding direction of piston 5 and hydro-cylinder 4 is parallel with the axis of input shaft 8, and hydro-cylinder 4 is connected with input shaft 8 rotation.
The output shaft 9, the oil cylinder 4 and the output shaft 9 are connected, the output shaft 9 and the input shaft 8 are coaxially arranged, a hydraulic oil path 14 is arranged in the output shaft 9, and the hydraulic oil path 14 is communicated with an inner cavity of the oil cylinder 4.
Transfer case part, transfer case part include transfer gear 10, idler 11, go up casing 12 and lower casing 13, and transfer gear 10 links to each other with driving gear 2 transmission through idler 11, and the outside of hydro-cylinder 4 is located to last casing 12 cover, and the outside of driving gear 2, idler 11, transfer gear 10 is located to lower casing 13 cover, goes up casing 12 and can dismantle with lower casing 13 and be connected.
The utility model discloses a transfer case assembly with hydraulic clutch, driving gear 2 links to each other with transfer gear 10 transmission all the time, transfer gear 10 can carry out power take off all the time, the clutch part is including work and separation two kinds of states, when the clutch part is in the separation state, output shaft 9 does not have power take off, when hydraulic oil gets into hydro-cylinder 4 by hydraulic pressure oil circuit 14, hydraulic oil promotes piston 5 motion, piston 5 removes extrusion friction pair subassembly 3, the friction pair transmits the torque of rotor 1 for hydro-cylinder 4, and then through output shaft 9 output power, at this moment, the clutch part is in operating condition. The transfer gear 10 of the transfer case part is used as a power take-off port in normal meshing, the output shaft 9 is used as a main power take-off port, the clutch part controls work and separation, the working state of the clutch is converted through the oil cylinder 4 and the friction pair component 3, the friction pair component 3 is small in size, the torque capable of being transmitted is large, the reliability is high, and the maintenance is convenient.
Specifically, the hydraulic oil circuit 14 comprises a control oil circuit and a cooling oil circuit, the hydraulic oil circuit 14 and the cooling oil circuit are both communicated with an inner cavity of the oil cylinder 4, hydraulic oil provides a power source for the clutch part and can also provide a cooling and lubricating effect for the transfer case part, the cooling oil circuit can be communicated with parts needing to be lubricated of the transfer case part, and the hydraulic oil which is finished in work is conveyed to the parts needing to be cooled and lubricated.
The utility model discloses a transfer case assembly with hydraulic clutch still includes rotary oil supply joint 15, and rotary oil supply joint 15 suit is in the outside of output shaft 9, and rotary oil supply joint 15 rotates with output shaft 9 to be connected, and rotary oil supply joint 15 is including control hydraulic fluid port and cooling hydraulic fluid port, and control hydraulic fluid port and control oil circuit communicate mutually, and the cooling hydraulic fluid port is linked together with the cooling oil circuit. The rotary oil supply joint 15 is connected with the upper shell 12, and the clutch part is positioned in a cavity surrounded by the upper shell 12, the lower shell 13 and the rotary oil supply joint 15, so that the clutch part is positioned in a closed structure, noise is reduced, and environmental pollution is avoided.
In addition, the rotary oil supply joint 15 further comprises a sealing ring 16 and a lining 17, the sealing ring 16 is sleeved outside the output shaft 9, the lining 17 is arranged between the output shaft 9 and the rotary oil supply joint 15, the sealing ring 16 is abutted to the lining 17 and located at an opening of the hydraulic oil path 14, the lining 17 is provided with a through hole which enables the rotary oil supply joint 15 to be communicated with the hydraulic oil path 14, the sealing rings 16 are multiple and arranged on two sides of the opening of the hydraulic oil path 14, the lining 17 is matched with the sealing ring 16 to avoid hydraulic oil leakage, a self-aligning bearing and a ball bearing are arranged between the rotary oil supply joint 15 and the output shaft 9, and the self-aligning bearing and the ball bearing are located on.
More specifically, the rotary oil supply connector 15 is connected with the upper shell 12, the upper shell 12 is further provided with a lubricating oil path, the rotary oil supply connector 15 is provided with a lubricating oil port, the lubricating oil port is communicated with the lubricating oil path, the lower shell 13 is provided with an oil return port 18, and the oil return port 18 can be connected with an oil tank, so that hydraulic oil smoothly flows back.
Further, in order to enable the clutch part to be capable of being switched between two working states and two separated states smoothly, a reset spring 19 is further arranged in the oil cylinder 4, two ends of the reset spring 19 are respectively provided with a reset ring 20 and a spring seat 21, a pit capable of accommodating the reset spring 19 is arranged in the spring seat 21, one end of the reset spring 19 is arranged in the pit, the other end of the reset spring 19 is abutted against the reset ring 20, the reset ring 20 is abutted against the piston 5, the reset ring 20 is slidably arranged in the oil cylinder 4, the relative sliding directions of the reset ring 20 and the oil cylinder 4 are parallel to the relative sliding directions of the piston 5 and the oil cylinder 4, the piston 5 can be reset smoothly by means of the acting force of deformation of the reset spring 19, and the output shaft 9 stops outputting power after the friction pair assembly 3 stops transmitting.
In this embodiment, the first friction plate is a metal sintered plate, the first friction plate is connected with the casing 7 through an external spline, the second friction plate is a hardened steel plate, the second friction plate is connected with the rotor 1 through an internal spline, the first friction plate is the metal sintered plate, and the second friction plate is the hardened steel plate, so that the friction pair assembly 3 has higher control pressure compared with other friction pairs, the reliability of the friction pair assembly 3 is improved through a multi-plate and wet cooling working mode, the clutch part can generate high torque under smaller inertia, and the maintenance is simple.
Further, the number of the transfer gear 10 is two, and the two transfer gears 10 are respectively meshed with the idle gear 11, namely, the transfer case part is provided with two power take-off ports which are constantly meshed.
The utility model discloses a transfer case assembly with hydraulic clutch, driving gear 2 links to each other with transfer gear 10 transmission all the time, transfer gear 10 can carry out power take off all the time, the clutch part is including work and separation two kinds of states, when the clutch part is in the separation state, output shaft 9 does not have power take off, when hydraulic oil gets into hydro-cylinder 4 by hydraulic pressure oil circuit 14, hydraulic oil promotes piston 5 motion, piston 5 removes extrusion friction pair subassembly 3, the friction pair transmits the torque of rotor 1 for hydro-cylinder 4, and then through output shaft 9 output power, at this moment, the clutch part is in operating condition. The transfer gear 10 of the transfer case part is used as a power take-off port in constant mesh, the output shaft 9 is used as a main power take-off port, the clutch part controls the work and the separation, and the working state of the clutch is converted through the oil cylinder 4 and the friction pair component 3. After the hydraulic oil works, the hydraulic oil path 14 of the output shaft 9 cools and lubricates the parts to be lubricated, a part of the hydraulic oil enters the upper shell 12 through the rotary oil supply joint 15 to cool and lubricate the parts to be lubricated, and finally the hydraulic oil returns to the oil tank through the oil return port 18 of the lower shell 13.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A transfer case assembly having a hydraulic clutch, comprising:
the clutch comprises a rotor, a driving gear, a friction pair assembly, an oil cylinder, a piston, a pressure bearing disc and a shell, wherein the rotor is connected with the driving gear, the friction pair assembly is sleeved outside the rotor and arranged in the shell, the friction pair assembly comprises a plurality of groups of first friction discs and second friction discs which are arranged at intervals, the friction pair assembly can be connected with the shell and the rotor, the piston is slidably arranged in the oil cylinder, the pressure bearing disc and the piston are respectively arranged on two sides of the friction pair assembly, the pressure bearing disc is sleeved outside the rotor, and the shell is connected with the oil cylinder and the pressure bearing disc;
the driving gear is sleeved outside the input shaft and connected with the input shaft, the relative sliding direction of the piston and the oil cylinder is parallel to the axis of the input shaft, and the oil cylinder is rotatably connected with the input shaft;
the oil cylinder is connected with the output shaft, the output shaft and the input shaft are coaxially arranged, a hydraulic oil path is arranged in the output shaft, and the hydraulic oil path is communicated with an inner cavity of the oil cylinder;
the transfer case comprises a transfer gear, an idler, an upper shell and a lower shell, the transfer gear is in transmission connection with the driving gear through the idler, the upper shell is covered on the outer portion of the oil cylinder, the lower shell is covered on the outer portions of the driving gear, the idler and the transfer gear, and the upper shell is detachably connected with the lower shell.
2. The transfer case assembly with hydraulic clutch of claim 1, wherein: the hydraulic oil way comprises a control oil way and a cooling oil way, and the hydraulic oil way and the cooling oil way are communicated with the inner cavity of the oil cylinder.
3. The transfer case assembly with hydraulic clutch of claim 2, wherein: the rotary oil supply connector is sleeved outside the output shaft and is rotationally connected with the output shaft, the rotary oil supply connector comprises a control oil port and a cooling oil port, the control oil port is communicated with the control oil path, and the cooling oil port is communicated with the cooling oil path.
4. The transfer case assembly with hydraulic clutch of claim 3, wherein: the rotary oil supply joint further comprises a sealing ring and a bushing, the sealing ring is sleeved outside the output shaft, the bushing is arranged between the output shaft and the rotary oil supply joint and is abutted against the bushing, a self-aligning bearing and a ball bearing are arranged between the rotary oil supply joint and the output shaft, and the self-aligning bearing and the ball bearing are located on two sides of the bushing.
5. The transfer case assembly with hydraulic clutch of claim 4, wherein: the rotary oil supply connector is connected with the upper shell, the upper shell is further provided with a lubricating oil path, the rotary oil supply connector is provided with a lubricating oil port, and the lubricating oil port is communicated with the lubricating oil path.
6. The transfer case assembly with hydraulic clutch of claim 1, wherein: still set up reset spring in the hydro-cylinder, reset spring's both ends set up reset ring and spring holder respectively, set up in the spring holder and hold reset spring's pit, reset spring's one end set up in the pit, reset spring's the other end with reset ring looks butt, reset ring with piston looks butt, reset ring slidable ground set up in the hydro-cylinder, reset ring with the relative slip direction of hydro-cylinder with the piston with the relative slip direction of hydro-cylinder parallels.
7. The transfer case assembly with hydraulic clutch of claim 1, wherein: the first friction plate is a metal sintered plate, the first friction plate is connected with the shell through an external spline, the second friction plate is a hardened steel plate, and the second friction plate is connected with the rotor through an internal spline.
8. The transfer case assembly with hydraulic clutch of any one of claims 1-7, wherein: the number of the transfer gears is two, and the two transfer gears are respectively meshed with the idle gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715371.2U CN211398439U (en) | 2019-10-14 | 2019-10-14 | Transfer case assembly with hydraulic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715371.2U CN211398439U (en) | 2019-10-14 | 2019-10-14 | Transfer case assembly with hydraulic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398439U true CN211398439U (en) | 2020-09-01 |
Family
ID=72232266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921715371.2U Active CN211398439U (en) | 2019-10-14 | 2019-10-14 | Transfer case assembly with hydraulic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398439U (en) |
-
2019
- 2019-10-14 CN CN201921715371.2U patent/CN211398439U/en active Active
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