CN215673524U - Monorail vehicle gear box and monorail vehicle - Google Patents
Monorail vehicle gear box and monorail vehicle Download PDFInfo
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- CN215673524U CN215673524U CN202122162906.1U CN202122162906U CN215673524U CN 215673524 U CN215673524 U CN 215673524U CN 202122162906 U CN202122162906 U CN 202122162906U CN 215673524 U CN215673524 U CN 215673524U
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- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model provides a gear box of a monorail vehicle and the monorail vehicle, comprising a gear box body, an input bevel gear shaft assembly and an output gear, wherein the input bevel gear shaft assembly and the output gear are arranged in the gear box body and are meshed with each other; the axle box comprises a half shaft arranged on a box body of the gear box, a hub sleeved outside the half shaft, a driving shaft fixedly connected with the hub and extending into the half shaft, and a pair of first bearings arranged on the hub and sleeved on the half shaft. This scheme adopts the gear box and integrates mounting structure with the axle box, and the axle box passes through the semi-axis and the fastener is installed on the gear box, has simplified the bogie structure, reduces part quantity, reduces the installation and the maintenance degree of difficulty. The monorail vehicle, including the monorail vehicle gearbox in the present application, has the technical advantages described above.
Description
Technical Field
The utility model relates to the technical field of monorail vehicles, in particular to a gearbox of a monorail vehicle. It also relates to a monorail vehicle comprising the above monorail vehicle gearbox.
Background
With the rapid development of economy, low-carbon and environment-friendly urban rail transit vehicles are more and more favored by people. As one of the rail transit vehicles, the single-rail transit vehicle has the advantages of small occupied space, suitability for terrain with complex conditions such as a road central isolation zone and a narrow street, easiness in inspection, maintenance and the like, and is widely applied.
The performance of a gearbox of the monorail transportation vehicle, which is an important structure of the monorail transportation vehicle, directly influences the running performance of the monorail transportation vehicle.
At present, in the gear box of the monorail transit vehicle on the market, a gear box body and an axle box are two parts which are independently arranged and are respectively arranged on a framework, so that the structure is complex, the installation is difficult, and the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gearbox of a monorail vehicle, and solves the technical problems that a traditional gearbox is complex in structure and inconvenient to install and detect. The utility model also provides a monorail vehicle comprising the monorail vehicle gearbox, which is simple in structure and high in safety.
The utility model provides a gearbox of a monorail vehicle, which comprises a gearbox body, an input bevel gear shaft assembly and an output gear, wherein the input bevel gear shaft assembly and the output gear are arranged in the gearbox body and are meshed with each other; the axle box comprises a half shaft arranged on a box body of the gear box, a hub sleeved outside the half shaft, a driving shaft fixedly connected with the hub and extending into the half shaft, and a pair of first bearings arranged on the hub and sleeved on the half shaft.
Preferably, a differential is arranged inside the gearbox body and fixedly connected with the output gear, and the differential is meshed with the input bevel gear shaft.
Preferably, the differential includes a differential case, a differential planet gear, a differential side gear and a second bearing, the differential planet gear and the differential side gear are installed inside the differential case, and are installed on the gear case through the second bearing, and the differential side gear is provided with an internal spline for connecting the drive shaft.
Preferably, the axis of the output gear is orthogonal to the axis of the input bevel gear shaft assembly.
Preferably, the lower box body of the gearbox box body is provided with a framework mounting seat, and the framework is mounted on the framework mounting seat.
Preferably, the upper box body of the gear box body is detachably provided with a motor base for mounting a motor.
The utility model also provides a monorail vehicle comprising a monorail vehicle gearbox of any one of the above.
The gearbox of the monorail vehicle provided by the utility model is improved on the traditional split type gearbox body and axle boxes, an integrated installation structure of the gearbox body and the axle boxes is adopted, the two axle boxes are independently arranged and respectively installed on two sides of the gearbox body, and the half shaft is directly installed on the gearbox body through the fastening piece, so that the structure of the bogie is effectively simplified, the number of parts is reduced, the installation and maintenance difficulty is reduced, and the cost is reduced.
The above technical advantages of the monorail vehicle are achieved by the monorail vehicle gearbox.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a gearbox for a monorail vehicle provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a monorail vehicle gearbox that is provided in an embodiment of the present invention.
The differential mechanism comprises an upper box body 1, a lower box body 2, a half shaft 3, a hub 4, a driving shaft 5, a first bearing 6, an output gear 7, a differential shell 8, a differential planetary gear 9, a differential half shaft gear 10, a second bearing 11, a motor seat 12, a motor seat 13, a third bearing 14, a frame mounting seat 15 and a motor seat 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to FIGS. 1 and 2, FIG. 1 is a schematic view of a gearbox of a monorail vehicle provided by an embodiment of the present invention; FIG. 2 is a cross-sectional view of a monorail vehicle gearbox that is provided in an embodiment of the present invention.
The utility model provides a gearbox of a monorail vehicle, which mainly comprises a gearbox body, an input bevel gear shaft assembly and an output gear 7, wherein the input bevel gear shaft assembly and the output gear 7 are arranged inside the gearbox body, and the input bevel gear shaft assembly and the output gear 7 are externally meshed to realize power transmission.
The gearbox body is divided into an upper box body 1 and a lower box body 2, and the upper box body 1 is fixedly connected with the lower box body 2 through bolts. An observation window is arranged on the side part of the lower box body 2 so as to observe the operation condition of each component in the box body, and an oil level window is arranged on the top part of the lower box body 2 so as to observe the oil height and the lubrication condition; in addition, an oil collecting groove is formed in the box body, so that splashed oil can be collected, and good lubrication of gears and bearings in the gear box body is ensured.
The input bevel gear shaft assembly includes an input bevel gear shaft 12, an input bevel gear bearing housing 13, a third bearing 14, a bolt, and the like, and the input bevel gear shaft 12 and the input bevel gear bearing housing 13 are arranged such that the axial direction thereof is inclined with respect to the longitudinal direction of the rail. The input bevel gear shaft 12 is installed in an input bevel gear bearing sleeve 13 through a third bearing 14, the input bevel gear bearing sleeve 13 is installed in a bearing hole of the box body, and the input bevel gear shaft 12 is connected with an output shaft of the motor through a spline. The input bevel gear shaft 12 is externally meshed with the output gear 7.
Two independent axle boxes which are coaxially distributed are arranged on two sides of the outer part of the gear box body and are respectively arranged on two sides of the gear box, and the tire is connected with the axle boxes through bolts so as to drive the tire to run.
The axle housing comprises a half shaft 3, a hub 4, a drive shaft 5 and a pair of first bearings 6. Half axle 3 passes through screw fixed mounting on the gear box, and wheel hub 4 suit is in the outside of half axle 3, and a pair of first bearing 6 is installed in wheel hub 4 inside and the suit is on half axle 3, and the middle part of drive shaft 5 stretches into to half axle 3 inside to the border of drive shaft 5 passes through screw and wheel hub 4 fixed connection.
The wheel hub 4 is connected with a tire and is arranged on the half shaft 3 through a first bearing 6; the driving shaft 5 is connected with the hub 4 through a bolt; the half shaft 3 is connected with the lower box body 2 through bolts.
The gearbox-axle box integrated structure is adopted, the number of parts in the gearbox of the monorail vehicle is reduced, the external dimension is reduced, and the installation difficulty and the maintenance cost are reduced.
Preferably, the axis of the output gear 7 is orthogonal to the axis of the input bevel gear shaft assembly and parallel to the transverse direction of the track to ensure transmission accuracy and smoothness.
In addition, a differential mechanism is arranged in the gearbox body and fixedly connected with the output gear 7, and the differential mechanism is meshed with the input bevel gear shaft. The rotating force of the motor is transmitted to the output gear 7 through the input bevel gear shaft 12 and then transmitted to the speed reducer through the output gear 7, one side of the driving shaft 5 is provided with an external spline and connected with the differential mechanism, and the rotating speeds of tires on two sides are different, so that a single-input double-output structure is formed.
Specifically, the differential includes a differential case 8, differential planet gears 9, differential side gears 10, and second bearings 11, the differential planet gears 9 and the differential side gears 10 being mounted inside the differential case 8 and on the gear case through the second bearings 11, the differential side gears 10 being provided with internal splines by which the drive shafts 5 are connected. Through setting up differential mechanism, reduced tire wearing and tearing effectively, ensured the ride comfort of vehicle operation, reduced the maintenance cost.
In the running process of the vehicle, the axle load is transmitted to the ground through the framework, the gearbox body, the half shaft 3, the wheel hub 4 and the tire; torque is transferred to the tires and drives the vehicle forward through the motor-input bevel gear-output gear 7-differential-drive shaft 5-hub 4.
For the firm convenient installation of guaranteeing the framework, the lower box 2 of gear box is provided with framework mount pad 15, this framework mount pad 15 and lower box 2 formula structure as an organic whole, and the framework passes through framework mount pad 15 to be installed under on box 2, its compact structure, rationally distributed, do not occupy installation space, and the installation of framework is stable firm.
In addition, a motor base 16 is installed on the upper box body 1 of the gearbox box body, the motor base 16 is detachably installed at the end part of the upper box body 1 through a connecting piece such as a bolt, the motor is installed on a flange connecting surface of the motor base 16 through a bolt, and the motor is installed on the gearbox through the motor base 16.
Besides, the utility model also provides a monorail vehicle which comprises the monorail vehicle gear box, and the monorail vehicle is simple and compact in structure, good in performance, high in reliability and high in safety factor.
The above detailed description of the utility model provides a gearbox for a monorail vehicle and a monorail vehicle. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. A monorail vehicle gearbox comprises a gearbox body, an input bevel gear shaft assembly and an output gear (7) which are arranged in the gearbox body and are meshed with each other, and is characterized in that two axle boxes which are coaxially distributed are arranged on two sides of the outer part of the gearbox body, and tires are mounted on the axle boxes; the axle box comprises a half shaft (3) arranged on a box body of the gear box, a wheel hub (4) sleeved outside the half shaft (3), a driving shaft (5) fixedly connected with the wheel hub (4) and extending into the half shaft (3), and a pair of first bearings (6) arranged on the wheel hub (4) and sleeved on the half shaft (3).
2. The monorail vehicle gearbox of claim 1, wherein a differential is provided within the gearbox housing, said differential being fixedly connected to said output gear (7), said differential being in engagement with said input bevel gear shaft.
3. The monorail vehicle gearbox of claim 2, wherein the differential comprises a differential case (8), differential planet gears (9), differential side gears (10) and a second bearing (11), said differential planet gears (9) and said differential side gears (10) being mounted inside said differential case (8) and on said gearbox casing through said second bearing (11), said differential side gears (10) being provided with internal splines for connection to said drive shafts (5).
4. The monorail vehicle gearbox of claim 3, wherein the axis of the output gear (7) is orthogonal to the axis of the input bevel gear shaft assembly.
5. The monorail vehicle gearbox of any one of claims 1-4, wherein the lower gearbox body (2) of the gearbox housing is provided with a frame mounting seat (15), and the frame is mounted on the frame mounting seat (15).
6. The gearbox for the monorail vehicle as defined in any one of claims 1-4, wherein a motor base (16) for mounting a motor is detachably mounted on the upper box body (1) of the gearbox body.
7. A monorail vehicle comprising a monorail vehicle gearbox as defined in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122162906.1U CN215673524U (en) | 2021-09-08 | 2021-09-08 | Monorail vehicle gear box and monorail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122162906.1U CN215673524U (en) | 2021-09-08 | 2021-09-08 | Monorail vehicle gear box and monorail vehicle |
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| Publication Number | Publication Date |
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| CN215673524U true CN215673524U (en) | 2022-01-28 |
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| CN202122162906.1U Active CN215673524U (en) | 2021-09-08 | 2021-09-08 | Monorail vehicle gear box and monorail vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653790A (en) * | 2021-09-08 | 2021-11-16 | 重庆齿轮箱有限责任公司 | Monorail vehicle gear box and monorail vehicle |
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2021
- 2021-09-08 CN CN202122162906.1U patent/CN215673524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653790A (en) * | 2021-09-08 | 2021-11-16 | 重庆齿轮箱有限责任公司 | Monorail vehicle gear box and monorail vehicle |
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