CN215110172U - Gap bridge transmission shaft and rail car - Google Patents
Gap bridge transmission shaft and rail car Download PDFInfo
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- CN215110172U CN215110172U CN202120472453.XU CN202120472453U CN215110172U CN 215110172 U CN215110172 U CN 215110172U CN 202120472453 U CN202120472453 U CN 202120472453U CN 215110172 U CN215110172 U CN 215110172U
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Abstract
The utility model discloses a gap bridge transmission shaft and railcar relates to gap bridge transmission shaft field, include: the device comprises a shell, a first cavity and a second cavity, wherein a cavity is arranged in the shell, and an input port and an output port are respectively formed in two end faces of the cavity; the input shaft is rotatably connected with the input port, and one end of the input shaft extends into the shell; the output shaft is rotatably connected with the output port, and one end of the output shaft extends into the shell; the input shaft and the output shaft are coaxial, and one end of the input shaft and one end of the output shaft are respectively provided with a first spline part and a second spline part; one end of the spline housing is in sliding fit connection with the second spline part; one end of the driving mechanism is connected with the spline housing, and the driving mechanism can drive the spline housing to move towards the direction close to the first spline part and is in meshing transmission with the first spline part; through spline housing translation and the interlock transmission of first integral key shaft, make the output shaft and the input shaft of fixed position realize separation and reunion transmission, provide a compact structure, light in weight, intensity is high, the gap bridge transmission shaft that the reliability is high.
Description
Technical Field
The utility model belongs to the gap bridge transmission shaft field, more specifically relates to a gap bridge transmission shaft and railcar.
Background
The gap bridge transmission shaft in the prior art adopts a structural form that two ends of a hollow shaft tube are matched with connecting flanges, and two ends (or one end) of the transmission shaft are matched with flexible supporting seats, so that the gap bridge transmission shaft only has a transmission function and does not have a clutch function. At present, common transmission modes with clutch functions comprise gear mesh type clutch transmission and friction plate type clutch transmission, the gear mesh type clutch function is usually realized by a neutral position function in a gearbox, and various transfer cases can realize the function, but the size is large and the space is occupied; the friction plate type is generally controlled by electromagnetism or hydraulic pressure, and the control requirement is high; therefore, the common clutch function is applied to the gap bridge transmission shaft, the production cost is high, the control difficulty is high, and the structure is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gap bridge transmission shaft and railcar to the not enough of prior art existence, adopting spline housing translation motion and first integral key shaft interlock transmission, making the fixed position's output shaft and input shaft realize the separation and reunion transmission, providing a compact structure, light in weight, intensity is high, the gap bridge transmission shaft that the reliability is high.
In order to achieve the above object, the utility model provides a gap bridge transmission shaft, include:
the device comprises a shell, a first cavity and a second cavity, wherein a cavity is arranged in the shell, and an input port and an output port are respectively formed in two end faces of the cavity;
the input shaft is rotatably connected with the input port, and one end of the input shaft extends into the shell;
the output shaft is rotatably connected with the output port, and one end of the output shaft extends into the shell;
the input shaft and the output shaft are coaxial transmission shafts, and a first spline part and a second spline part are respectively arranged at one end of the input shaft and one end of the output shaft;
one end of the spline housing is in sliding sleeve connection with the second spline part;
and one end of the driving mechanism is connected with the spline housing, and the driving mechanism can drive the spline housing to move towards the direction close to the first spline part and is in meshing transmission with the first spline part.
Optionally, the housing is box-shaped, and a plurality of mounting holes are formed around the top of the housing.
Optionally, a cover plate is arranged at the top of the housing, and the cover plate is connected with the mounting hole through a bolt.
Optionally, the input port with rotate through first input bearing between the input shaft and be connected, the cavity is inside to be close to one side of delivery outlet is provided with the bearing mounting panel, be provided with first output bearing in the bearing mounting panel, the output shaft pass through first output bearing with the bearing mounting panel rotates and is connected.
Optionally, the drive mechanism comprises:
the push rod is movably connected with the two end faces, and at least one end of the push rod extends to the outside of the shell and is used for being connected with a push rod telescopic device;
and one end of the shifting fork is connected with the middle part of the push rod, and the other end of the shifting fork is connected with the spline sleeve.
Optionally, an input shaft bearing seat and an output shaft bearing seat are respectively arranged on the outer sides of two ends of the housing, the input shaft bearing seat and the output shaft bearing seat are connected with the housing through fastening bolts, a second input bearing and a second output bearing are respectively arranged in the input shaft bearing seat and the output shaft bearing seat, and a first blocking cover and a second blocking cover are respectively arranged on the second input bearing and the second output bearing.
Optionally, the other end of the input shaft and the other end of the output shaft are provided with an input flange and an output flange, respectively.
Optionally, the input flange and the output flange are in transmission connection with the input shaft and the output shaft through splines, respectively.
The utility model also provides a rail car, include:
the gap bridge transmission shaft is provided.
Optionally, the gap bridge transmission shaft is arranged at the lower part of the frame of the rail car through bolt connection.
The utility model provides a gap bridge transmission shaft and railcar, its beneficial effect lies in:
1. the gap bridge transmission shaft can realize clutch transmission of the input shaft and the output shaft which are fixed at two ends of the shell only by moving the spline sleeve in the shell, integrates a clutch function in the gap bridge transmission shaft, greatly simplifies the structural form of a transmission case, and has low manufacturing cost and simple and reliable structure compared with the scheme of a hydraulic or electromagnetic clutch integrated with the transmission case;
2. this structure of gap bridge transmission shaft is connected input shaft and output shaft and shell through the bearing, still is provided with fender lid and bearing frame at the both ends of shell, and whole structure is formed through solitary part equipment, and the operation when being convenient for maintain need not whole change when needing the renewal part, and the maintenance cost is low.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural diagram of a gap bridge transmission shaft according to an embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. an input flange; 3. an output flange; 4. an input shaft; 5. an output shaft; 6. a first shield cover; 7. a second shield cover; 8. a spline housing; 9. a first input bearing; 10. a first output bearing; 11. a push rod; 12. a shifting fork; 13. an input shaft bearing seat; 14. an output shaft bearing seat; 15. a second input bearing; 16. a second output bearing; 17. a bearing mounting plate; 18. and (7) installing holes.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a gap bridge transmission shaft, include:
the device comprises a shell, a first cavity and a second cavity, wherein a cavity is arranged in the shell, and an input port and an output port are respectively formed in two end faces of the cavity;
the input shaft is rotatably connected with the input port, and one end of the input shaft extends into the shell;
the output shaft is rotatably connected with the output port, and one end of the output shaft extends into the shell;
the input shaft and the output shaft are coaxial transmission shafts, and one end of the input shaft and one end of the output shaft are respectively provided with a first spline part and a second spline part;
one end of the spline housing is in sliding fit connection with the second spline part;
and one end of the driving mechanism is connected with the spline housing, and the driving mechanism can drive the spline housing to move towards the direction close to the first spline part and is in meshing transmission with the first spline part.
Specifically, the gap bridge transmission shaft drives the spline sleeve to translate through the driving mechanism, so that the spline sleeve is sleeved and connected with the first spline part, power on the input shaft can be transmitted to the output shaft through the spline sleeve, the clutch state of the input shaft and the output shaft is realized by changing the connection relation of the spline sleeve and the first spline part, and the control is simple; the input shaft and the output shaft are fixedly arranged at two ends of the shell all the time, and the spline sleeve also moves between the input shaft and the output shaft, so that the structure is compact, and the manufacturing cost is not high.
Optionally, the shell is box-shaped, and a plurality of mounting holes are seted up around the top of shell.
Specifically, the mounting holes and the cavity are arranged on the same side of the shell, the mounting holes are uniformly arranged around, and the structural strength of the shell is not damaged by the mounting holes.
Optionally, a cover plate is arranged on the top of the housing, and the cover plate is connected with the mounting hole through a bolt.
Specifically, the cover plate separates and seals the cavity from the outside, so that the cleanliness of working environments of the first spline part, the second spline part and the spline housing is ensured, and the maintenance cost is reduced; when the gap bridge transmission shaft is overhauled and maintained, the gap bridge transmission shaft can be maintained by opening the cover plate, and the stability of the gap bridge transmission shaft during working is protected.
Optionally, the input port is rotatably connected with the input shaft through a first input bearing, a bearing mounting plate is arranged on one side, close to the output port, inside the cavity, a first output bearing is arranged in the bearing mounting plate, and the output shaft is rotatably connected with the bearing mounting plate through the first output bearing.
Specifically, the input shaft and the output shaft are rotatably connected with the shell through the bearing, the bearing mounting plate is arranged at the position, close to the spline sleeve, of the cavity, and the spline sleeve is sleeved with the second spline part to be connected when the gap bridge transmission shaft is in a separated non-transmission state, so that the stress of the end of the output shaft is large, the bearing mounting plate supports the output shaft, and the fixed position and the stress direction of the output shaft are ensured to be more stable; the spline housing is restricted by the bearing mounting panel with output shaft registrate length, and the spacing length between the spline housing and the first spline portion is reasonable this moment, and if need switch the gap bridge transmission shaft to the laminating transmission state, can be quick with spline housing and the first spline portion registrate connection, do not need the too big removal of actuating mechanism, make the compact structure of gap bridge transmission shaft, occupation space is little.
Optionally, the drive mechanism comprises:
the push rod is movably connected with the two end faces, and at least one end of the push rod extends to the outside of the shell and is used for being connected with the push rod telescopic device;
one end of the shifting fork is connected with the middle part of the push rod, and the other end of the shifting fork is connected with the spline sleeve.
Specifically, the spline housing is driven to move through the part of the push rod outside the shell, and the push rod is parallel to the axial direction of the spline housing, so that the push rod can be controlled more easily; the shifting fork and the spline housing are connected in assembling modes such as nut fastening, riveting and welding, the connecting structure is stable, and the shifting fork and the spline housing are convenient to maintain and replace.
In one embodiment, both ends of the push rod are exposed outside the shell, so that the push rod is more convenient to control; the push rod can be driven by a telescopic device in the forms of manual operation, hydraulic operation, pneumatic operation, electric operation and the like, so that the clutch function of the gap bridge transmission shaft can be controlled.
Optionally, an input shaft bearing seat and an output shaft bearing seat are respectively arranged on the outer sides of two ends of the housing, the input shaft bearing seat and the output shaft bearing seat are connected with the housing through fastening bolts, a second input bearing and a second output bearing are respectively arranged in the input shaft bearing seat and the output shaft bearing seat, and a first blocking cover and a second blocking cover are respectively arranged on the second input bearing and the second output bearing.
Specifically, set up input shaft bearing frame and output shaft bearing frame on the shell, the bearing frame is fixed through a plurality of fastening bolt in circumference with the shell, and the bearing frame has provided the support to input shaft and output shaft through second input bearing and second output shaft bearing, guarantees that input shaft and output shaft operation are more stable, and first fender lid and second fender lid are fixed on the bearing frame through a plurality of fastening bolt in circumference, and the fender lid starts the backstop effect to second input bearing and second output bearing.
Optionally, the other end of the input shaft and the other end of the output shaft are provided with an input flange and an output flange, respectively.
The input shaft and the output shaft are connected with the input device and the output device through the flanges, the connecting area of the flanges is large, the flange bolts are uniformly distributed along the circumferential direction of the flange surface, and the connecting strength is increased.
Alternatively, the input flange and the output flange are in transmission connection with the input shaft and the output shaft respectively through splines.
Specifically, the force transmission torque of the spline connection mode is large, the stress is uniform, the guidance quality is good, and the structure is stable.
The utility model also provides a rail car, include:
the gap bridge transmission shaft is provided.
Specifically, the fan system of the rail car is controlled by the gap bridge transmission shaft, and the rail car is compact in structure and simple to control.
Optionally, the gap bridge transmission shaft is arranged at the lower part of the frame of the rail car through bolt connection.
Specifically, the periphery of the mounting hole is provided with a threaded hole, and the gap bridge transmission shaft is mounted on the lower portion of the frame through a bolt, so that maintenance is facilitated.
In one embodiment, a buffer cushion module is arranged between the gap bridge transmission shaft and the vehicle frame, so that the influence of the running of the rail vehicle on the gap bridge transmission shaft is reduced.
Examples
As shown in fig. 1, the utility model provides a gap bridge transmission shaft, include:
the device comprises a shell 1, a cavity body and a control device, wherein the interior of the shell 1 is provided with a cavity body, and an input port and an output port are respectively formed in two end faces of the cavity body;
the input shaft 4 is rotatably connected with the input port, and one end of the input shaft 4 extends into the shell 1;
the output shaft 5 is rotatably connected with the output port, and one end of the output shaft 5 extends into the shell 1;
the input shaft 4 and the output shaft 5 are coaxial transmission shafts, and one end of the input shaft 4 and one end of the output shaft 5 are respectively provided with a first spline part and a second spline part;
one end of the spline housing 8 is in sliding sleeve connection with the second spline part;
and one end of the driving mechanism is connected with the spline housing 8, and the driving mechanism can drive the spline housing 8 to move towards the direction close to the first spline part and is in meshing transmission with the first spline part.
In this embodiment, the housing 1 is box-shaped, and a plurality of mounting holes 18 are formed around the top of the housing 1.
In this embodiment, the top of the housing 1 is provided with a cover plate, and the cover plate is connected with the mounting hole 18 by a bolt.
In this embodiment, the input port is rotatably connected with the input shaft 4 through the first input bearing 9, a bearing mounting plate 17 is disposed inside the cavity on a side close to the output port, a first output bearing 10 is disposed inside the bearing mounting plate 17, and the output shaft 5 is rotatably connected with the bearing mounting plate 17 through the first output bearing 10.
In the present embodiment, the drive mechanism includes:
the push rod 11 is movably connected with the two end faces, and at least one end of the push rod 11 extends to the outside of the shell 1 and is used for being connected with a telescopic device of the push rod 11;
one end of the shifting fork 12 is connected with the middle part of the push rod 11, and the other end of the shifting fork 12 is connected with the spline housing 8.
In this embodiment, an input shaft bearing seat 13 and an output shaft bearing seat 14 are respectively arranged on the outer sides of two ends of the housing 1, the input shaft bearing seat 13 and the output shaft bearing seat 14 are connected with the housing 1 through fastening bolts, a second input bearing 15 and a second output bearing 16 are respectively arranged in the input shaft bearing seat 13 and the output shaft bearing seat 14, and a first blocking cover 6 and a second blocking cover 7 are respectively arranged on the second input bearing 15 and the second output bearing 16.
In the present embodiment, the other end of the input shaft 4 and the other end of the output shaft 5 are provided with an input flange 2 and an output flange 3, respectively.
In the present embodiment, the input flange 2 and the output flange 3 are in transmission connection with the input shaft 4 and the output shaft 5 respectively through splines.
The utility model also provides a rail car, include:
the gap bridge transmission shaft is provided.
In the embodiment, the gap bridge transmission shaft is arranged at the lower part of the frame of the rail car through bolt connection.
To sum up, when the fan of railcar is in the stop state, spline housing 8 only is connected with second spline portion registrate, when the fan switches to operating condition, control push rod 11 takes spline housing 8 translation motion through shift fork 12, spline housing 8 is connected with first spline portion and second spline portion registrate simultaneously, power take off is realized with 2 splined connection of input flange to input shaft 4, output shaft 5 changes a connection with output flange 3 and realizes power structure, open stopping of fan is accomplished through the removal of spline 8, the reliability is high, the manufacturing cost, use and maintenance are convenient.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A gap bridge drive shaft, comprising:
the device comprises a shell, a first cavity and a second cavity, wherein a cavity is arranged in the shell, and an input port and an output port are respectively formed in two end faces of the cavity;
the input shaft is rotatably connected with the input port, and one end of the input shaft extends into the shell;
the output shaft is rotatably connected with the output port, and one end of the output shaft extends into the shell;
the input shaft and the output shaft are coaxial transmission shafts, and a first spline part and a second spline part are respectively arranged at one end of the input shaft and one end of the output shaft;
one end of the spline housing is in sliding sleeve connection with the second spline part;
and one end of the driving mechanism is connected with the spline housing, and the driving mechanism can drive the spline housing to move towards the direction close to the first spline part and is in meshing transmission with the first spline part.
2. The gap bridge transmission shaft according to claim 1, wherein the housing is box-shaped, and a plurality of mounting holes are formed around the top of the housing.
3. The gap bridge transmission shaft according to claim 2, wherein a cover plate is arranged on the top of the outer shell, and the cover plate is connected with the mounting hole through a bolt.
4. The gap bridge transmission shaft according to claim 1, wherein the input port is rotatably connected to the input shaft through a first input bearing, a bearing mounting plate is disposed inside the cavity on a side close to the output port, a first output bearing is disposed inside the bearing mounting plate, and the output shaft is rotatably connected to the bearing mounting plate through the first output bearing.
5. The gap bridge drive shaft of claim 1 wherein the drive mechanism comprises:
the push rod is movably connected with the two end faces, and at least one end of the push rod extends to the outside of the shell and is used for being connected with a push rod telescopic device;
and one end of the shifting fork is connected with the middle part of the push rod, and the other end of the shifting fork is connected with the spline sleeve.
6. The gap bridge transmission shaft according to claim 1, wherein an input shaft bearing seat and an output shaft bearing seat are respectively arranged on the outer sides of two ends of the housing, the input shaft bearing seat and the output shaft bearing seat are connected with the housing through fastening bolts, a second input bearing and a second output bearing are respectively arranged in the input shaft bearing seat and the output shaft bearing seat, and a first blocking cover and a second blocking cover are respectively arranged on the second input bearing and the second output bearing.
7. A gap bridge drive shaft according to claim 1, wherein the other end of the input shaft and the other end of the output shaft are provided with an input flange and an output flange, respectively.
8. The carrier drive shaft of claim 7, wherein the input flange and the output flange are drivingly connected to the input shaft and the output shaft, respectively, by splines.
9. A rail car, comprising:
a gap bridge drive shaft according to any one of claims 1 to 8.
10. The rail car of claim 9, wherein the gap bridge transmission shaft is disposed at a lower portion of a frame of the rail car by bolting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472453.XU CN215110172U (en) | 2021-03-04 | 2021-03-04 | Gap bridge transmission shaft and rail car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472453.XU CN215110172U (en) | 2021-03-04 | 2021-03-04 | Gap bridge transmission shaft and rail car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110172U true CN215110172U (en) | 2021-12-10 |
Family
ID=79339892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120472453.XU Active CN215110172U (en) | 2021-03-04 | 2021-03-04 | Gap bridge transmission shaft and rail car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110172U (en) |
-
2021
- 2021-03-04 CN CN202120472453.XU patent/CN215110172U/en active Active
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