CN217347780U - Straddle type single-rail wheel-side driving device - Google Patents
Straddle type single-rail wheel-side driving device Download PDFInfo
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- CN217347780U CN217347780U CN202221457047.7U CN202221457047U CN217347780U CN 217347780 U CN217347780 U CN 217347780U CN 202221457047 U CN202221457047 U CN 202221457047U CN 217347780 U CN217347780 U CN 217347780U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The application provides a straddle type monorail wheel edge driving device, which relates to the technical field of monorail vehicle manufacturing, is used for being fixed on a bogie to drive a traveling wheel and comprises a gear box, wherein a motor is arranged at the input end of the gear box, a wheel hub is arranged at the output end of the gear box, and an inner gear ring is connected between the input end and the output end; a sun wheel connected with the motor is coaxially arranged in the gear box, a planet wheel is sleeved between the sun wheel and the inner gear ring, and the planet wheel is connected with a wheel hub through a planet carrier; the gear box is fixed on the bogie through a front box body at the input end, and the motor, the gear box and the walking wheels are coaxially arranged. Single-stage planetary gear transmission is adopted, so that the transmission efficiency is effectively improved; the whole gearbox is fixed on the bogie through the front box body, and the motor, the gearbox and the walking wheels are coaxially arranged, so that the space occupied by the wheel-side driving device on the bogie is reduced, and the problem of large volume of the wheel-side driving device is solved. The wheel driving device has the advantages of compact overall structure, reasonable layout, small volume and high transmission efficiency, and improves the overall performance of the wheel driving device.
Description
Technical Field
The application relates to the technical field of single-rail vehicle manufacturing, in particular to a straddle type single-rail wheel-side driving device.
Background
The straddle type monorail transit is a typical urban rail transit system, has the advantages of strong landform and landform adaptability, low noise, good landscape, small turning radius, strong climbing capability and the like, has unique advantages of short construction period, low construction cost and the like, and has obvious comprehensive advantages and wide market prospect in multi-system urban rail transit.
The bogie driving system is composed of a motor and a gear transmission device, at present, the domestic monorail bogie structure is that an input motor is longitudinally parallel to a bogie, the axis of a supporting shaft of a walking wheel is transversely parallel to the bogie, so that the input end and the output end of the gear transmission device are vertically arranged, the gear transmission device needs to be provided with a first-stage reversing gear set and a first-stage reducing gear set, the input end of the gear transmission device is connected with the motor through a coupling, the output end of the gear transmission device is connected with a rim through an extended driving shaft to transmit power, the gear transmission device is large in size, and the transmission efficiency of the driving system is reduced through multi-stage transmission.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application aims to provide a straddle type single-rail wheel-side driving device which adopts single-stage planetary gear transmission to effectively improve the transmission efficiency; and the motor, the gear box and the walking wheels are coaxially arranged, so that the space occupied by the driving device for the bogie is reduced.
In one aspect of the embodiments of the present application, there is provided a straddle-type monorail wheel-side driving device for being fixed on a bogie to drive traveling wheels, comprising: the gear box is provided with a motor at the input end, a wheel hub is arranged at the output end of the gear box, and an inner gear ring is connected between the input end and the output end; a sun wheel connected with the motor is coaxially arranged in the gear box, a planet wheel is sleeved between the sun wheel and the inner gear ring, and the planet wheel is connected with the hub through a planet carrier; the gearbox is fixed on the bogie through the front box body of the input end, and the motor, the gearbox and the walking wheels are coaxially arranged.
Optionally, a first positioning structure for positioning the motor and a second positioning structure for positioning the bogie are arranged on the input end surface of the front box body; the first positioning structure comprises a first flange surface and a first positioning spigot which are arranged on the input end surface, and the second positioning structure comprises a second flange surface and a second positioning spigot which are arranged on the input end surface.
Optionally, the second flange surface and the bogie are connected by a screw and a nut, and a mounting sleeve is arranged between the nut and the bogie.
Optionally, a detachable input shaft assembly is further arranged in the gearbox, the input shaft assembly comprises an input end cover arranged in the front box body and a spline housing arranged in the input end cover, and two ends of the spline housing are respectively connected with the motor and the sun gear.
Optionally, one end of the spline housing is an internal spline, the spline housing is connected with an external spline of a motor shaft of the motor through the internal spline, and the hardness of the internal spline is lower than that of the external spline of the motor shaft.
Optionally, the input shaft assembly further comprises a support bearing disposed on an outer periphery of the splined hub, through which the splined hub is rotatably disposed within the input end cover.
Optionally, the input shaft assembly further comprises an overload bushing disposed between the spline housing and the sun gear, and the spline housing, the overload bushing and the sun gear have a predetermined interference therebetween.
Optionally, the input shaft assembly further comprises a contact seal ring arranged between the spline housing and the input end cover, the input end cover is connected with a bearing seat of the support bearing, and the bearing seat is provided with an oil collecting groove and an oil inlet hole for lubricating the support bearing.
Optionally, a cylindrical roller bearing is arranged on one side of the planet carrier close to the input end, and a spherical roller bearing is arranged on one side of the planet carrier close to the output end.
Optionally, the planet carrier with spherical roller bearing's tip is provided with location structure, location structure establishes including establishing in proper order the fender ring, lock washer and the round nut of the periphery of planet carrier, keep off the ring with still be provided with the oil blanket between the back box of output.
Optionally, an output end cover is further arranged on one side, away from the front box body, of the hub, the planet carrier, the hub and the output end cover form a detachable output end assembly, and the planet carrier and the hub are provided with installation rabbets and are fixedly connected through a plurality of circumferentially arranged hollow pins and a plurality of bolts; the hub is also provided with a mounting surface connected with the rim and bolts and nuts for connection.
Optionally, a plurality of interfaces are further integrated on the straddle-type single-rail wheel-side driving device for external connection.
Optionally, an end face of the hub, which is far away from the front box body, is provided with a mounting interface for mounting a tire pressure detection device; and the input end surface of the front box body is provided with a temperature probe mounting hole, a breather and an oil level observation window.
Optionally, a plurality of reinforcing ribs are circumferentially arranged on the outer walls of the front box body and the rear box body.
The straddle-type monorail wheel side driving device comprises a gear box, wherein the gear box plays a role of a vehicle axle to bear the axle weight of a vehicle, the gear box is connected with a motor through an input end of the gear box, and the gear box can be connected with traveling wheels through an output end of the gear box; the input end is provided with a front box body, the output end is provided with a rear box body, an inner gear ring is connected between the front box body and the rear box body, and the rear box body is connected with a wheel hub; the sun gear is arranged in the gear box, the motor is connected with the sun gear, the planet gear is sleeved between the sun gear and the inner gear ring and connected with the hub through the planet carrier, the motor provides driving force to drive the sun gear to rotate, the driving force is transmitted to the output end through the planet gear and the planet carrier, and the output end drives the traveling wheel; in addition, the whole gearbox is fixed on the bogie through the front box body, and the motor, the gearbox and the walking wheels are coaxially arranged, so that the space occupied by the wheel-side driving device on the bogie is reduced, and the problem of large volume of the wheel-side driving device is solved. The wheel driving device that this application embodiment provided, overall structure is compact, rationally distributed, and is small, transmission efficiency is high, improves wheel driving device's wholeness ability.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a straddle-type monorail wheel-side driving device provided by the present embodiment;
FIG. 2 is a schematic view of a partial structure of the straddle-type monorail wheel-side driving device provided by the present embodiment;
FIG. 3 is a second schematic view of a partial structure of the straddle-type monorail wheel-side driving device provided by this embodiment;
fig. 4 is a third schematic view of a partial structure of the straddle-type monorail wheel-side driving device provided by the present embodiment;
FIG. 5 is a fourth schematic view of a partial structure of the straddle-type monorail wheel-side driving device provided by the present embodiment;
fig. 6 is a fifth partial structural schematic view of the straddle-type monorail wheel-side driving device provided by the embodiment;
FIG. 7 is a sixth schematic view of a partial structure of the straddle-type monorail wheel-side driving device provided by the present embodiment;
FIG. 8 is a seventh schematic view of a partial structure of the straddle-type monorail wheel-side driving device provided by the present embodiment;
fig. 9 is a second structural schematic view of the wheel-side driving device of the straddle-type monorail provided by the present embodiment.
Icon: 1-front box body; 1 a-a first positioning spigot; 1 b-a first flange face; 1 c-a second locating spigot; 1 d-a second flange face; 1 e-mounting holes; 2-inner gear ring; 3-a planet wheel; 4-rear box body; 5-a planet carrier; 6-a hub; 7-hollow pins; 8-bolt; 9-spherical roller bearings; 10-sun gear; 11-an overload bushing; 12-cylindrical roller bearings; 13-a support bearing; 14-a spline housing; 15-input end cap; 16-a bearing seat; 17-contact seal ring; 18-a nut; 19-mounting the sleeve; 20-a framework; 21-bolt; 22-a motor; 22 a-a screw; 23-an output end cap; 24-oil seal; 25-a baffle ring; 26-a stop washer; 27-round nuts; 28-a breather; 29-oil level viewing window; 61-mounting interface.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, the present application provides a straddle-type monorail wheel-side driving device (referred to as wheel-side driving device for short) for being fixed on a bogie to drive traveling wheels, comprising: the gearbox is provided with a motor 22 at the input end, a hub 6 at the output end and an inner gear ring 2 between the input end and the output end; a sun gear 10 connected with a motor 22 is coaxially arranged in the gearbox, a planet wheel 3 is sleeved between the sun gear 10 and the inner gear ring 2, and the planet wheel 3 is connected with a hub 6 through a planet carrier 5; the gear box is fixed on the bogie through the front box body 1 at the input end, and the motor 22, the gear box and the walking wheels are coaxially arranged.
The wheel driving device is a driving transmission system in a bogie and is arranged on one side of a traveling wheel, and the bogie provides an installation space and an installation foundation for the installation of a carriage and various mechanisms. Therefore, when the wheel-side driving device is used, the wheel-side driving device is fixed on the bogie, and the travelling wheels are positioned on one side of the wheel-side driving device.
Specifically, the gear box has an input end and an output end, the input end is provided with a front box body 1 which is fixedly connected with a motor 22 to provide driving force; the gear box is fixedly connected to a framework 20 of the bogie through the front box body 1, and the connection mode enables the wheel driving device to be compact in structure, convenient to install and accurate in positioning. The output end is provided with a rear box body 4 for connecting with a hub 6, and the output end is connected with a traveling wheel. An inner gear ring 2 is connected between the input end and the output end, and the front box body 1, the inner gear ring 2 and the rear box body 4 are connected through bolts to form a fixed part of the wheel-side driving device; a sun wheel 10 is coaxially arranged in the gear box, the sun wheel 10 is connected with a motor 22, a planet wheel 3 is sleeved on the periphery of the sun wheel 10, the planet wheel 3 is located on the inner ring of an inner gear ring 2, the planet wheel 3 is connected with a hub 6 through a planet carrier 5, and the sun wheel 10, the planet wheel 3, the planet carrier 5 and the hub 6 form a rotating part of a wheel-side driving device. The motor 22, gearbox and running wheels are arranged coaxially to reduce the space occupied by the wheel-side drive on the bogie.
In summary, the straddle-type monorail wheel-side driving device provided by the embodiment of the application comprises a gear box, wherein the gear box plays a role of an axle to bear the axle weight of a vehicle, the gear box is connected with a motor 22 through an input end of the gear box, and the gear box can be connected with a traveling wheel through an output end of the gear box; the input end is provided with a front box body 1, the output end is provided with a rear box body 4, an inner gear ring 2 is connected between the front box body 1 and the rear box body 4, and the rear box body 4 is connected with a hub 6; the sun gear 10 is arranged in the gear box, the motor 22 is connected with the sun gear 10, the planet gear 3 is sleeved between the sun gear 10 and the inner gear ring 2, the planet gear 3 is connected with the hub 6 through the planet carrier 5, the motor 22 provides driving force to drive the sun gear 10 to rotate, the driving force is transmitted to the output end through the planet gear 3 and the planet carrier 5, and the walking wheel is driven through the output end; in addition, the whole gearbox is fixed on the bogie through the front box body 1, and the motor 22, the gearbox and the walking wheels are coaxially arranged, so that the space occupied by the wheel-side driving device on the bogie is reduced, and the problem of large volume of the wheel-side driving device is solved. The wheel driving device that this application embodiment provided, overall structure is compact, rationally distributed, and is small, transmission efficiency is high, improves wheel driving device's wholeness ability.
Further, a first positioning structure for positioning the motor 22 and a second positioning structure for positioning the bogie are arranged on the input end surface of the front box 1. Illustratively, as shown in fig. 2, the first positioning structure includes a first flange surface 1b and a first positioning seam allowance 1a arranged on the input end surface, and the second positioning structure includes a second flange surface 1d and a second positioning seam allowance 1c arranged on the input end surface.
Two groups of flange surfaces and positioning rabbets are formed on the input end surface of the front box body 1, and the machining precision of the positioning rabbets ensures that all parts are installed and positioned; the first flange surface 1b and the first positioning spigot 1a are in a group and used for mounting and positioning the motor 22, as shown in fig. 3, the first flange surface 1b and the motor 22 are connected through a screw 22a, and the first positioning spigot 1a is used for positioning; the second flange face 1d and the second positioning spigot 1c are in a group and are used for installing and positioning the gearbox and a framework 20 of the bogie, the second flange face 1d and the framework 20 are connected through bolts 21 and nuts 18, and the second positioning spigot 1c is positioned.
On the basis, as shown in fig. 4, a mounting sleeve 19 is arranged between the nut 18 and the bogie, and the mounting sleeve 19 between the nut 18 and the framework 20 can fully utilize the effective length of the bolt 21, thereby being beneficial to pre-tightening the bolt 21 and bearing the gearbox.
In addition, in order to facilitate the maintenance of wheel limit drive arrangement, the input and the output of gear box pass through the modularization setting, realize the purpose that can independently dismouting, can effectively reduce product manufacturing maintenance cost under the equivalent condition. Specifically, as shown in fig. 5, a detachable input shaft assembly is further disposed in the gearbox, the input shaft assembly includes an input end cover 15 disposed in the front case 1 and a spline housing 14 disposed in the input end cover 15, and two ends of the spline housing 14 are respectively connected to the motor 22 and the sun gear 10. One end of the spline housing 14 is an internal spline, and the spline housing 14 is connected with an external spline of a motor 22 shaft of the motor 22 through the internal spline to transmit power.
Moreover, the hardness of the internal spline is lower than that of the external spline of the shaft of the motor 22, so that the spline housing 14 is worn firstly if the wear occurs, and the shaft of the motor 22 is protected. The other end of the spline housing 14 is a cylindrical hole to connect with the sun gear 10 and drive the sun gear 10 to rotate.
The input shaft assembly further includes a support bearing 13 disposed on the outer periphery of the splined hub 14, the support bearing 13 being configured to rotatably mount the splined hub 14 within the input end cap 15. The spline housing 14 is rotatably supported on the front box body 1, the support bearing 13 has a proper bearing clearance, the floating load balancing requirement of the sun gear 10 is met, and meanwhile, the support bearing 13 is positioned to ensure that the shaft of the motor 22 is aligned with the central axis of the sun gear 10.
The input shaft assembly further comprises an overload bushing 11 arranged between the spline housing 14 and the sun wheel 10, the spline housing 14, the overload bushing 11 and the sun wheel 10 have preset interference, and the spline housing 14, the overload bushing 11 and the sun wheel 10 are protected from overload through proper interference.
The contact seal ring between the spline housing 14 and the input end cover 15, the input end cover 15 is connected with a bearing seat 16 of the support bearing 13, and the bearing seat 16 is provided with an extended oil collecting groove and an oil inlet hole for lubricating the support bearing 13.
The spline housing 14, the sun wheel 10, the overload bushing 11, the support bearing 13, the contact type sealing ring 17, the bearing seat 16 and the input end cover 15 form an input shaft assembly. Due to the fact that the spline housing 14 is worn or the tooth part of the input assembly fails or the overload bushing 11 fails in an overload mode, the input shaft assembly can be independently detached from the input end of the gearbox, and overhauling and maintenance are convenient. The input end cap 15 can be detached from the input shaft assembly independently, so that the contact type sealing ring 17 can be replaced and maintained conveniently.
On the other hand, the planet carrier 5 is used as a rotary bearing part and is rotatably supported on the front box body 1 and the rear box body 4 through bearings, the driving device is equivalent to an axle and is used for bearing the larger axle load of the vehicle, specifically, as shown in fig. 1, a cylindrical roller bearing 12 is arranged on one side, close to the input end, of the planet carrier 5, a spherical roller bearing 9 is arranged on one side, close to the output end, of the planet carrier 5, and the driving device is structurally arranged and the bearings are arranged, so that the self-centering effect of the planet carrier 5 under the condition of large axle load is ensured; the front box body 1 and the rear box body 4 are circumferentially provided with a plurality of reinforcing ribs, so that the requirements of bearing large axle weight and transmitting large torque can be met; through the arrangement, a wheel edge driving device cantilever structure is formed, and under the action of the large axle load of the vehicle, the supporting and positioning and automatic centering effects can be realized.
And the end parts of the planet carrier 5 and the spherical roller bearing 9 are also provided with a positioning structure, as shown in fig. 6, the positioning structure comprises a baffle ring 25, a stop washer 26 and a round nut 27 which are sequentially sleeved on the periphery of the planet carrier 5, and an oil seal 24 is also arranged between the baffle ring 25 and the rear box body 4 of the output end.
The positioning of the planet carrier 5 and the spherical roller bearing 9 is realized by a baffle ring 25, a round nut 27 and a stop washer 26, the output end sealing is realized by an oil seal 24, and the oil seal 24 can be a box-type oil seal 24 by way of example; the positioning and sealing functions are separated from the output end assembly. After the output end assembly is disassembled, the round nut 27, the stop washer 26, the oil seal 24 and the baffle ring 25 can be disassembled in sequence, so that the box-type oil seal 24 can be replaced conveniently. Wherein, the oil seal 24, the baffle ring 25 and the rear box body 4 do not rotate relatively, thereby greatly reducing the requirement on the surface processing of the rotating shaft, reducing the friction power loss and effectively avoiding the abrasion of the baffle ring 25 caused by long-term abrasion.
As shown in fig. 7, the wheel rim driving device is further provided with an output end assembly, the side of the hub 6, which is away from the front box body 1, is further provided with an output end cover 23, the planet carrier 5, the hub 6 and the output end cover 23 form a detachable output end assembly, and the planet carrier 5 and the hub 6 are provided with mounting spigots which are fixedly connected through a plurality of hollow pins 7 and a plurality of bolts 8 which are circumferentially arranged and are used for bearing the axle weight of the vehicle and transmitting torque.
The planet carrier 5 and the hub 6 are directly and fixedly connected through a hollow pin 7 and a bolt 8, and the axle weight and the torque of the vehicle are transmitted; a plurality of hollow pins 7 are circumferentially arranged, so that large torque and larger vehicle axle load can be transmitted, and the bolts 8 are axially fixed, so that the structure is simple and the assembly and disassembly are convenient.
The planet carrier 5, the hub 6, the hollow pin 7, the bolt 8, the output end cover 23 and the fastener form an output end assembly. The input end assembly and the output end assembly are arranged in a modularized mode, and can be independently disassembled and assembled, integrally disassembled and replaced, and convenient to overhaul and maintain.
The hub 6 is also provided with a mounting surface for connection to a rim and bolts and nuts for connection for transmitting the rotational speed and torque of the drive unit to drive the vehicle forward.
And the wheel edge driving device is also integrated with a plurality of external interfaces, so that the system integration is high and the space is saved. Specifically, the end face of the hub 6 away from the front box 1 is provided with a mounting interface 61 for mounting a tire pressure detecting device; as shown in fig. 8, a temperature probe mounting hole 1e, a breather 28 and an oil level observation window 29 are arranged on the input end surface of the front box 1, the breather 28 is used for balancing the internal and external pressure of the box, and the oil level observation window 29 in fig. 9 is used for observing the oil level, so that the oil level is prevented from being excessive or too low, the oil stirring power loss and the lubrication of parts in the box are prevented, and the balance temperature of the gear transmission device is too high.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (14)
1. A straddle-type monorail wheel-side drive device for attachment to a bogie for driving road wheels, comprising: the gear box is provided with a motor at the input end and a wheel hub at the output end, and an inner gear ring is connected between the input end and the output end; a sun wheel connected with the motor is coaxially arranged in the gear box, a planet wheel is sleeved between the sun wheel and the inner gear ring, and the planet wheel is connected with the hub through a planet carrier; the gearbox is fixed on the bogie through the front box body of the input end, and the motor, the gearbox and the walking wheels are coaxially arranged.
2. A straddle-type monorail wheel-side driving device according to claim 1, wherein the input end surface of the front box body is provided with a first positioning structure for positioning the motor and a second positioning structure for positioning the bogie;
the first positioning structure comprises a first flange surface and a first positioning spigot which are arranged on the input end surface, and the second positioning structure comprises a second flange surface and a second positioning spigot which are arranged on the input end surface.
3. The straddle-type monorail wheel-side drive device according to claim 2, wherein the second flange surface and the bogie are connected through a screw-fit nut, and a mounting sleeve is arranged between the nut and the bogie.
4. The straddle-type monorail wheel-side driving device according to claim 1, wherein a detachable input shaft assembly is further arranged in the gearbox, the input shaft assembly comprises an input end cover arranged in the front box body and a spline housing arranged in the input end cover, and two ends of the spline housing are respectively connected with the motor and the sun wheel.
5. The straddle-type monorail wheel-side driving device according to claim 4, wherein one end of the spline housing is provided with an internal spline, the spline housing is connected with an external spline of a motor shaft of the motor through the internal spline, and the hardness of the internal spline is lower than that of the external spline of the motor shaft.
6. The straddle-type monorail wheel-side drive device of claim 4, wherein the input shaft assembly further comprises a support bearing disposed on an outer periphery of the splined hub, whereby the splined hub is rotatably disposed within the input end cover.
7. The straddle-type monorail wheel-side drive of claim 4, wherein the input-shaft assembly further comprises an overload bushing disposed between the spline housing and the sun gear, and wherein the spline housing, the overload bushing and the sun gear have a predetermined interference therebetween.
8. The straddle-type monorail wheel-side drive device of claim 6, wherein the input shaft assembly further comprises a contact seal ring disposed between the spline housing and the input end cover, the input end cover is connected with a bearing seat of the support bearing, and the bearing seat is provided with an oil sump and an oil inlet for lubricating the support bearing.
9. The straddle-type monorail wheel-side driving device according to claim 1, wherein a cylindrical roller bearing is arranged on one side of the planet carrier close to the input end, and a spherical roller bearing is arranged on one side of the planet carrier close to the output end.
10. The straddle type monorail wheel-side driving device according to claim 9, wherein a positioning structure is arranged at the end of the planetary carrier and the spherical roller bearing, the positioning structure comprises a baffle ring, a stop washer and a round nut which are sequentially sleeved on the periphery of the planetary carrier, and an oil seal is further arranged between the baffle ring and the rear box body of the output end.
11. The straddle-type monorail wheel-side driving device according to claim 1, wherein an output end cover is further arranged on one side, away from the front box body, of the hub, the planet carrier, the hub and the output end cover form a detachable output end assembly, the planet carrier and the hub are provided with installation spigots, and the planet carrier and the hub are fixedly connected through a plurality of hollow pins and a plurality of bolts which are circumferentially arranged; the hub is also provided with a mounting surface connected with the rim and bolts and nuts for connection.
12. The straddle-type monorail wheel-side drive device according to claim 2, wherein a plurality of interfaces are further integrated on the straddle-type monorail wheel-side drive device for external connection.
13. The straddle-type monorail wheel-side driving device according to claim 12, wherein an end surface of the wheel hub, which is far away from the front box body, is provided with a mounting interface for mounting a tire pressure detecting device; and the input end surface of the front box body is provided with a temperature probe mounting hole, a breather and an oil level observation window.
14. The straddle-type monorail wheel-side driving device as claimed in claim 10, wherein a plurality of reinforcing ribs are circumferentially arranged on the outer walls of the front box body and the rear box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221457047.7U CN217347780U (en) | 2022-06-10 | 2022-06-10 | Straddle type single-rail wheel-side driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221457047.7U CN217347780U (en) | 2022-06-10 | 2022-06-10 | Straddle type single-rail wheel-side driving device |
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| CN217347780U true CN217347780U (en) | 2022-09-02 |
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|---|---|---|---|
| CN202221457047.7U Active CN217347780U (en) | 2022-06-10 | 2022-06-10 | Straddle type single-rail wheel-side driving device |
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| CN (1) | CN217347780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024083254A1 (en) * | 2022-10-21 | 2024-04-25 | 采埃孚(天津)风电有限公司 | Wind turbine gearbox connecting structure and gearbox |
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2022
- 2022-06-10 CN CN202221457047.7U patent/CN217347780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024083254A1 (en) * | 2022-10-21 | 2024-04-25 | 采埃孚(天津)风电有限公司 | Wind turbine gearbox connecting structure and gearbox |
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Address after: 213100 No. 258, Wuyi Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Country or region after: China Address before: 213100 No. 258, Wuyi Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Country or region before: China |