CN220286363U - Transfer case with friction clutch - Google Patents
Transfer case with friction clutch Download PDFInfo
- Publication number
- CN220286363U CN220286363U CN202321244164.XU CN202321244164U CN220286363U CN 220286363 U CN220286363 U CN 220286363U CN 202321244164 U CN202321244164 U CN 202321244164U CN 220286363 U CN220286363 U CN 220286363U
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- shaft
- friction clutch
- oil pump
- transfer case
- sleeved
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 239000010720 hydraulic oil Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a transfer case with a friction clutch, which comprises a case body, wherein a first through hole and a second through hole which are arranged in parallel are arranged on the case body; the shaft input shaft is arranged in the first through hole of the box body in a penetrating way; the two shafts penetrate through the second through hole of the box body; the driving gear is sleeved on a shaft input shaft; the driven gear is sleeved on the two shafts, and the driving gear is meshed with the driven gear; the friction clutch is sleeved at a position, close to the end part, of the output shaft of the shaft; the second bearing is sleeved at the end part of the output shaft of the shaft; the bearing seat is sleeved on the second bearing; the shaft output shaft is connected with the bearing seat; the working oil pump is connected with a shaft output shaft. The hydraulic oil pump has the advantages that the connection between the input shaft and the output shaft of the shaft can be rapidly cut off according to the needs, so that the operation oil pump is stopped, abnormal actions of an operation mechanism are avoided, and the hydraulic oil pump can be conveniently switched under various working conditions.
Description
Technical Field
The utility model relates to the technical field of mechanical manufacturing and railway track operation vehicle transmission equipment, in particular to a transfer case with a friction clutch.
Background
Rail vehicles typically employ an oil pump mounted on a transfer case to transfer power to each work mechanism or a transfer case is coupled to a drive shaft to drive a generator. At present, a transfer case of a rail operation vehicle is not provided with a clutch or basically adopts a tooth clutch, the transfer case without the clutch cannot shift a working mechanism or a generator, although a hydraulic lock can be adopted to stop an oil way to ensure that the working mechanism is stopped when the working mechanism does not need to work, if the hydraulic lock fails, the transfer case can continuously act through an oil pump to drive the working mechanism, and a suspension arm on the vehicle is driven to continuously ascend and touch a contact net, so that the vehicle parts are burnt by high voltage electricity and other larger safety problems are generated; the transfer case adopting the tooth clutch can shift the operating mechanism or the generator, but the gear shifting is carried out under the condition that the engine is in a flameout state when the gear shifting is carried out due to the structural limitation, so that the engine is required to be frequently started and stopped when the vehicle is switched under various working conditions, inconvenience is caused to construction, the gear shifting can be smoothly carried out due to the fact that the tooth clutch is required to be aligned for multiple times, time and labor are wasted, and the gear shifting is easy to damage due to the fact that the alignment is not in place.
In summary, at least one of the following technical problems exists:
the transfer case of the rail operation vehicle is not provided with a clutch or basically adopts a tooth clutch, the transfer case without the clutch cannot shift off an operation mechanism or a generator, although a hydraulic lock can be adopted to cut off an oil path to ensure that the operation mechanism stops when not in operation, if the hydraulic lock fails, the transfer case can drive the operation mechanism to continue to act through an oil pump to drive a suspension arm on the vehicle to continuously rise and touch a contact net, so that a large safety problem of burning out of vehicle components by high voltage electricity is generated;
the transfer case adopting the tooth clutch can shift the operating mechanism or the generator out of gear, and the gear shifting is carried out under the condition that the engine is in a flameout state when the gear shifting is carried out due to the structural limitation, so that the engine is required to be frequently started and stopped when the vehicle is switched under various working conditions, inconvenience is caused to construction, the gear shifting can be smoothly carried out due to the fact that the tooth clutch is required to be aligned for multiple times, time and labor are wasted, and the gear shifting is easy to damage due to the fact that the alignment is not in place.
Disclosure of Invention
The utility model mainly aims to provide a transfer case with a friction clutch, so as to solve the problems that in the prior art, a transfer case of a rail operation vehicle is not provided with a clutch or basically adopts a tooth clutch, a transfer case without a clutch cannot shift a working mechanism or a generator, an oil way can be stopped by adopting a hydraulic lock to ensure that the working mechanism is stopped when the working mechanism is not required to work, but if the hydraulic lock fails, the transfer case can continue to act by driving the working mechanism through an oil pump, and a suspension arm on the vehicle is driven to continuously rise to touch a contact net, so that the safety problem that vehicle parts are burnt out by high voltage electricity is caused; the transfer case adopting the tooth clutch can shift the operating mechanism or the generator out of gear, and the gear shifting is carried out under the condition that the engine is in a flameout state when the gear shifting is carried out due to the structural limitation, so that the engine is required to be frequently started and stopped when the vehicle is switched under various working conditions, inconvenience is caused to construction, the gear shifting can be smoothly carried out due to the fact that the tooth clutch is required to be aligned for multiple times, time and labor are wasted, and at least one technical problem that the gear shifting gear is damaged is easily caused due to the fact that the alignment is not in place.
To achieve the above object, according to one aspect of the present utility model, there is provided a transfer case with a friction clutch, comprising:
the box body is provided with a first through hole and a second through hole which are arranged in parallel;
the one-shaft input shaft is arranged in the first through hole of the box body in a penetrating way;
the two shafts penetrate through the second through hole of the box body;
the driving gear is sleeved on a shaft input shaft;
the driven gear is sleeved on the two shafts, and the driving gear is meshed with the driven gear;
the friction clutch is sleeved at a position, close to the end part, of the output shaft of the shaft;
the second bearing is sleeved at the end part of the output shaft of the shaft; and
the bearing seat is sleeved on the second bearing;
the one-shaft output shaft is connected with the bearing seat;
and the working oil pump is connected with the one-shaft output shaft.
Preferably, the end part of the one-shaft input shaft is connected with an input flange, the one-shaft input shaft is connected with an external power device through the input flange, the one-shaft input shaft is used for inputting power, the power is transmitted by the one-shaft input shaft, one part of the power is transmitted to the one-shaft output shaft through a friction clutch to drive the operation oil pump, the other part of the power is transmitted to the driven gear through the driving gear, and then is transmitted to the two shafts through the driven gear, and finally, the two shafts are transmitted to the heat dissipation oil pump and the belt pulley.
Preferably, the first shaft input shaft and the second shaft are respectively connected with the box body through first bearings, end covers are arranged on the outer sides of the first bearings, the first bearings realize smooth rotation of the first shaft input shaft and the second shaft, and the end covers play a role in limiting and protecting the first bearings.
Preferably, the friction clutch is connected with the end part of the output shaft of the shaft through a flat key, and the flat key is high in connection reliability and convenient to detach and install quickly.
Preferably, a belt pulley is arranged at one end of the two shafts, a heat dissipation oil pump is arranged at the other end of the two shafts, or output flanges are arranged at the two ends of the two shafts, or the heat dissipation oil pumps are arranged at the two ends of the two shafts, and the interfaces at the two ends of the two shafts can be adjusted to be connected with the two heat dissipation oil pumps or the output flanges according to the requirements.
Preferably, the input flange is located at one end of the friction clutch far away from the input shaft of the one shaft, and the input flange is used for being connected with an external power device to input power.
Preferably, the working oil pump is fixed on a working oil pump mounting seat, and the working oil pump mounting seat is fixed on the box body.
Preferably, the friction clutch is driven pneumatically or hydraulically.
Preferably, the friction clutch is a dry clutch or a wet clutch.
Preferably, the box body is of an integral structure or a split structure.
The technical scheme of the utility model has the following technical effects:
the power is transmitted to the first shaft output shaft through the friction clutch, the other part of the power is transmitted to the driven gear through the driving gear, and then transmitted to the second shaft through the driven gear, and finally transmitted to the heat dissipation oil pump and the belt pulley through the second shaft. The friction clutch arranged on the transfer case not only can rapidly cut off the connection between the one-shaft input shaft and the one-shaft output shaft according to the requirement to stop the operation oil pump, so that abnormal action of an operation mechanism is avoided, but also can be disengaged and engaged in a running state, the engine is not required to be flameout, the construction time is saved, convenience in switching of the vehicle under various working conditions is ensured, and the one-shaft output shaft can be changed into an output flange for connecting and driving a generator. In a word, the transfer case is provided with a friction clutch, so that the connection between the one-shaft input shaft and the one-shaft output shaft can be rapidly cut off as required, the operation oil pump is stopped, and abnormal actions of an operation mechanism are avoided. The friction clutch can be disengaged and engaged in an operating state, and an engine is not required to be flameout, so that the construction time is saved, and the friction clutch can be conveniently switched under various working conditions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 shows a schematic structural view of a transfer case with friction clutch according to the present utility model;
fig. 2 shows a structural view of embodiment 2 of the transfer case with friction clutch of fig. 1.
Wherein the above figures include the following reference numerals:
an input flange 1; a one-axis input shaft 2; an end cap 3; a first bearing 4; a driving gear 5, a first bolt 6; a first spring pad 7; a working oil pump mount 8; a bearing seat 9; a shaft output shaft 10; a second bolt 11; a second spring pad 12; a second bearing 13; a screw 14; a friction clutch 15; a flat key 16; a pulley 17; a case 18; a driven gear 19; a biaxial 20; a radiator oil pump 21; a working oil pump 22; and an output flange 23.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 2, an embodiment of the present utility model provides a transfer case with a friction clutch 15, including a case 18, where a first through hole and a second through hole are disposed in parallel on the case 18; a shaft input shaft 2, wherein the shaft input shaft 2 is arranged in the first through hole of the box 18 in a penetrating way; the two shafts 20 penetrate through the second through holes of the box 18; the driving gear 5 is sleeved on the one-shaft input shaft 2; the driven gear 19 is sleeved on the two shafts 20, and the driving gear 5 is meshed with the driven gear 19; a friction clutch 15, wherein the friction clutch 15 is sleeved at a position of the output shaft 10 close to the end part; a second bearing 20, 13, the second bearing 20, 13 being sleeved on the end of a shaft output shaft 10; the bearing seat 9 is sleeved on the second bearing 20 and 13; a one-shaft output shaft 10, the one-shaft output shaft 10 being connected to the bearing housing 9; a working oil pump 22, said working oil pump 22 being connected to a shaft output shaft 10.
Example 1:
the embodiment comprises an input flange 1, a first shaft input shaft 2, a first bearing 4, a driving gear 5, a working oil pump 22 mounting seat 8, a bearing seat 9, a first shaft output shaft 10, a second shaft 20, a friction clutch 15, a flat key 16, a belt pulley 17, a box 18, a driven gear 19 and a second shaft 20, wherein the input flange 1 is arranged at the extending end of the first shaft input shaft 2, and the driving gear 5 is arranged in the middle; a friction clutch 15 is arranged between the first input shaft 2 and the first output shaft 10, the first input shaft 2 and the second input shaft 20 are in parallel structures, one end of the second input shaft 20 is provided with an installation interface of a heat dissipation oil pump 21, the middle part of the second input shaft is provided with a driven gear 19, the other end of the second input shaft is provided with a belt pulley 17, and the driving gear 5 is meshed with the driven gear 19.
In this embodiment, the box 18 is used for supporting and fixedly mounting each component, the box 18 is provided with a first through hole and a second through hole which are arranged in parallel, the first through hole is used for mounting a shaft input shaft 2, the second through hole is used for mounting a shaft 20, the box 18 can be of an integrated structure or a split structure, and the first through hole and the second through hole are respectively matched with the first bearing 4.
In this embodiment, a shaft input shaft 2 is used for inputting power, the power is transmitted from the shaft input shaft 2, a part of the power is transmitted to a shaft output shaft 10 through a friction clutch 15 to drive an operation oil pump 22, another part of the power is transmitted to a driven gear 19 through a driving gear 5, then is transmitted to a driven gear 19 to a two-shaft 20, and finally is transmitted to a heat dissipation oil pump 21 and a belt pulley 17 through the two-shaft 20, the shaft input shaft 2 is arranged in a first through hole of a box 18 in a penetrating manner, the shaft input shaft 2 is matched with the first through hole through a first bearing 4, and an input flange 1 is arranged at one end of the shaft input shaft 2 far away from the friction clutch 15.
In this embodiment, the two shafts 20 are used for transmitting power to the heat dissipation oil pump 21 and the belt pulley 17, the two shafts 20 are arranged in the second through hole of the box 18 in a penetrating manner, the first shaft input shaft 2 and the two shafts 20 are respectively connected with the box 18 through the first bearing 4, the end cover 3 is arranged on the outer side of the first bearing 4, the belt pulley 17 is arranged at one end of the two shafts 20, the output flange 23 is arranged at the other end of the two shafts 20 or the two output flanges 23 are arranged at the two ends of the two shafts 20, and the interfaces at the two ends of the two shafts 20 can be adjusted to be connected with the two heat dissipation oil pumps 21 or the output flange 23 according to requirements.
In this embodiment, the driving gear 5 is used for power transmission, the driving gear 5 is sleeved on the first-shaft input shaft 2, a part of power is transmitted to the driven gear 19 through the driving gear 5, then transmitted to the second shaft 20 through the driven gear 19, and finally transmitted to the heat-dissipating oil pump 21 and the belt pulley 17 through the second shaft 20.
In this embodiment, the driven gear 19 is used for power transmission, the driven gear 19 is sleeved on the two shafts 20, the driving gear 5 is meshed with the driven gear 19, the power is transmitted to the two shafts 20 by the driven gear 19, and finally, the power is transmitted to the heat-dissipating oil pump 21 and the belt pulley 17 by the two shafts 20.
In this embodiment, the friction clutch 15 is sleeved on the position of the shaft output shaft 10 near the end, the friction clutch 15 is connected with the end of the shaft output shaft 10 through the flat key 16, the friction clutch 15 is driven pneumatically or hydraulically, and the friction clutch 15 is a dry clutch or a wet clutch. Specifically, the friction clutch 15 may be driven pneumatically, hydraulically, in a dry or wet manner. One end of the friction clutch 15 is fixed with the one-shaft input shaft 2 through the flat key 16, the other end of the friction clutch 15 is connected with the bearing seat 9 through the screw 14, the connection between the one-shaft input shaft 2 and the one-shaft output shaft 10 can be rapidly cut off according to the requirement to stop the operation oil pump 22, abnormal actions of an operation mechanism are avoided, the friction clutch 15 can be disengaged and engaged in gear under the running state, the engine is not required to be flamed out, the construction time is saved, and the operation oil pump can be conveniently switched under various working conditions.
In this embodiment, the second bearing 20 13 is used to realize the relative rotation between the bearing seat 9 and the shaft output shaft 10, the second bearing 20 is sleeved on the end of the shaft output shaft 10, the bearing seat 9 is used to support and fix the second bearing 20 13, the bearing seat 9 is sleeved on the second bearing 20, the bearing seat 9 is coaxial with the shaft input shaft 2 and the shaft output shaft 10, one end of the bearing seat 9 is positioned on the shaft input shaft 2 through the second bearing 20, the other end of the bearing seat is connected with the shaft output shaft 10 through the second bolt 11 and the second elastic pad 12, and the shaft output shaft 10 is connected with the bearing seat 9 through the second bearing 20.
In this embodiment, the working oil pump 22 is connected to the one-shaft output shaft 10, the working oil pump 22 is fixed to the working oil pump 22 mounting seat 8, and the working oil pump 22 mounting seat 8 is fixed to the case 18. Specifically, the installation seat 8 of the working oil pump 22 is in a conical structure, is coaxial with the input shaft 2 of the shaft, is bolted together with the box 18 through the first bolt 6 and the first elastic pad 7, the shell of the working oil pump 22 is fixed on the installation seat 8 of the working oil pump 22, the mandrel of the shell is in spline connection with the output shaft 10 of the shaft, and the bearing seat 9, the output shaft 10 of the shaft and the friction clutch 15 are uniformly arranged in the inner cavity of the installation seat of the oil pump.
In this embodiment, two ends of each shaft are respectively fixed on the inner cavity hole of the box 18 through the first bearing 4, one end of the input shaft 2 of the first shaft is provided with an input flange 1, the other end is connected with the output shaft 10 of the first shaft through the friction clutch 15, the middle part of the input shaft 2 of the first shaft is provided with a driving gear 5 which is meshed with a driven gear 19 in the middle part of the second shaft 20, the end part of the output shaft 10 of the first shaft is provided with an operation oil pump 22 interface, one end of the second shaft 20 is provided with a heat dissipation oil pump 21 interface, the other end is provided with a belt pulley 17, power is transmitted from the input shaft 2 of the first shaft, and a part of power is transmitted to the output shaft 10 through the friction clutch 15 to drive the operation oil pump 22; the other part of the power is transmitted to the two shafts 20 through the meshing gear pair, and is transmitted to the heat-dissipating oil pump 21 and the belt pulley 17 by the two shafts 20.
Example 2:
the one-shaft output shaft 10 can also be modified on the basis of embodiment 1 to an output flange 23 for connecting and driving a generator.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
the one-shaft input shaft 2 is connected with the one-shaft output shaft 10 through the friction clutch 15, the end part of the one-shaft output shaft 10 is provided with an operation oil pump 22 interface, one end of the two-shaft 20 is provided with a heat dissipation oil pump 21 interface, the other end of the two-shaft 20 is provided with a belt pulley 17, power is transmitted from the one-shaft input shaft 2, one part of power is transmitted to the one-shaft output shaft 10 through the friction clutch 15 to drive the operation oil pump 22, the other part of power is transmitted to the driven gear 19 through the driving gear 5, and then is transmitted to the two-shaft 20 through the driven gear 19, and finally is transmitted to the heat dissipation oil pump 21 and the belt pulley 17 through the two-shaft 20. The friction clutch 15 arranged on the transfer case can rapidly cut off the connection between the one-shaft input shaft 2 and the one-shaft output shaft 10 according to the requirement to stop the operation oil pump 22, so that abnormal action of an operation mechanism is avoided, the gear can be disengaged and engaged in an operating state, the engine is not required to be flameout, the construction time is saved, the convenient switching of the vehicle under various working conditions is ensured, and the one-shaft output shaft 10 can also be changed into the output flange 23 for connecting and driving a generator. In summary, the transfer case is provided with a friction clutch 15, which can rapidly cut off the connection between the one-shaft input shaft 2 and the one-shaft output shaft 10 as needed to stop the working oil pump 22, thereby avoiding abnormal operation of the working mechanism. The friction clutch 15 can be disengaged and engaged in an operating state without engine stall, so that the construction time is saved, and the operation can be conveniently and rapidly switched under various working conditions.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A transfer case with friction clutch, comprising:
the box body is provided with a first through hole and a second through hole which are arranged in parallel;
the one-shaft input shaft is arranged in the first through hole of the box body in a penetrating way;
the two shafts penetrate through the second through hole of the box body;
the driving gear is sleeved on a shaft input shaft;
the driven gear is sleeved on the two shafts, and the driving gear is meshed with the driven gear;
the friction clutch is sleeved at a position, close to the end part, of the output shaft of the shaft;
the second bearing is sleeved at the end part of the output shaft of the shaft; and
the bearing seat is sleeved on the second bearing;
the one-shaft output shaft is connected with the bearing seat;
and the working oil pump is connected with the one-shaft output shaft.
2. The friction clutch transfer case of claim 1 wherein an input flange is connected to an end of the one-shaft input shaft.
3. The transfer case with friction clutch of claim 1 wherein the primary input shaft and the secondary input shaft are each connected to the case by a first bearing, and an end cap is provided on the outside of the first bearing.
4. The transfer case with friction clutch of claim 1 wherein said friction clutch is connected to an output shaft end by a flat key.
5. The transfer case with friction clutch according to claim 1, wherein one end of the two shafts is provided with a belt pulley, the other end of the two shafts is provided with a heat dissipation oil pump or both ends of the two shafts are provided with output flanges or both ends of the two shafts are provided with heat dissipation oil pumps.
6. The friction clutch transfer case of claim 2 wherein the input flange is located at an end of the friction clutch remote from the input shaft.
7. The friction clutch transfer case of claim 1 wherein the working oil pump is secured to a working oil pump mount, the working oil pump mount being secured to the case.
8. The transfer case with friction clutch of claim 1 wherein the friction clutch is driven pneumatically or hydraulically.
9. The transfer case with friction clutch of claim 1 wherein the friction clutch is a dry clutch or a wet clutch.
10. The friction clutch transfer case of claim 1 wherein the case is of unitary or split construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244164.XU CN220286363U (en) | 2023-05-22 | 2023-05-22 | Transfer case with friction clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321244164.XU CN220286363U (en) | 2023-05-22 | 2023-05-22 | Transfer case with friction clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286363U true CN220286363U (en) | 2024-01-02 |
Family
ID=89339963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321244164.XU Active CN220286363U (en) | 2023-05-22 | 2023-05-22 | Transfer case with friction clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286363U (en) |
-
2023
- 2023-05-22 CN CN202321244164.XU patent/CN220286363U/en active Active
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