CN210680727U - Suspension type vehicle bearing type gear box with differential mechanism - Google Patents
Suspension type vehicle bearing type gear box with differential mechanism Download PDFInfo
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- CN210680727U CN210680727U CN201921593900.6U CN201921593900U CN210680727U CN 210680727 U CN210680727 U CN 210680727U CN 201921593900 U CN201921593900 U CN 201921593900U CN 210680727 U CN210680727 U CN 210680727U
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Abstract
A load-bearing gearbox with a differential mechanism for a suspension type vehicle comprises a gearbox assembly arranged in a bogie frame, wherein the gearbox assembly is connected to a traction motor positioned outside the bogie frame through a coupling, three connecting interfaces connected with the bogie frame are arranged on the gearbox assembly, one side of the gearbox assembly is connected to the coupling, the other side of the gearbox assembly is provided with a traction interface in the three connecting interfaces, the upper end of the gearbox assembly is provided with a vertical rubber seat in the three connecting interfaces, and a gearbox lifting seat in the three connecting interfaces is arranged between the vertical rubber seat and the coupling of the gearbox assembly; therefore, the utility model has simple structure and convenient operation, and can solve the defects that the speed can be reduced and the torque can be increased but the bearing can not be carried together; the problem that double-wheel differential cannot be realized is solved; the problem that bad motions such as nodding motion, swinging and the like are easy to occur in the running process of a gearbox on a bogie is solved; the problem of gear box assembly installation difficulty in little space is improved.
Description
Technical Field
The utility model relates to a driven technical field of suspension type vehicle especially relates to a suspension type vehicle is with bearing formula gear box of taking differential mechanism.
Background
Because of the advantages of low cost, strong climbing capability and the like, the monorail transit has a vigorous development trend in China in recent years, and numerous enterprises invest resources and funds to research the monorail transit system. In the case of monorail transportation vehicles, straddle type monorail vehicles have actual operation routes in China, and suspension type monorail vehicles are still in extensive research and test stages at present. Meanwhile, in order to meet the requirements of complex terrains on transportation conditions, rubber tires are often used for monorail vehicles (in particular, monorail vehicles represented by suspended type and straddle type vehicles).
The gear box is used as a key part of a vehicle driving transmission system and plays an important role in reducing speed and increasing torque. The existing single-rail vehicle driving gear box generally adopts a single-shaft double-wheel driving mode. In the gear box with single-shaft and double-wheel output, because wheels at two ends of a single shaft are arranged on one shaft, two wheels at the shaft end run synchronously, and under the conditions that a vehicle passes through a curve of a curve, a track surface is not smooth and the like, the tire is seriously worn, the drop of a block at a tire shoulder is serious, the environmental pollution is caused by the abrasion, and the vehicle maintenance cost is increased due to the high-frequency damage of the tire; meanwhile, when the road condition of the track surface is poor, the wheels are easy to slip due to the single-shaft double-wheel driving.
Conventional truck top boxes also typically have the following drawbacks:
therefore, in view of the above-mentioned drawbacks, the designer of the present invention develops a load-bearing gear box with a differential mechanism for a suspension vehicle by means of comprehensive research and design based on experience and achievement of related industries for many years, so as to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a suspension type vehicle bearing type gear box with a differential mechanism, which has simple structure and convenient operation and can solve the defects that the gear box on the traditional bogie can only reduce speed and increase torque and can not bear the weight together; the problem that the traditional bogie can not realize the function of double-wheel differential is solved; the problem that bad motions such as nodding motion, swinging and the like are easy to occur in the running process of a gearbox on a bogie is solved; meanwhile, aiming at the defect of high installation difficulty of the existing product, the optimal design is carried out on the installation structure and the position, and the problem that the gear box assembly is difficult to install in a small space is solved.
In order to achieve the above object, the utility model discloses a suspension type vehicle is with differential mechanism's formula gear box that bears, including setting up the gear box assembly in the bogie framework, the gear box assembly is connected to the traction motor who is located the bogie framework outside through the shaft coupling, its characterized in that:
the gearbox assembly is characterized in that three connecting interfaces connected with a bogie frame are arranged on the gearbox assembly, one side of the gearbox assembly is connected to a coupling, the other side of the gearbox assembly is provided with a traction interface of the three connecting interfaces, a gearbox traction pin hole which is fixed to the traction interface is arranged on the bogie frame to transmit train traction force and limit nodding movement and swing of the gearbox assembly, a vertical rubber seat of the three connecting interfaces is arranged at the upper end of the gearbox assembly and connected with the bogie frame to transmit vertical force and relieve impact, a gearbox hoisting seat of the three connecting interfaces is arranged between the vertical rubber seat and the coupling of the gearbox assembly, and the gearbox hoisting seat is connected to the bogie frame through bolts to integrally hoist the gearbox assembly and limit longitudinal movement and vertical movement.
Wherein: the bogie frame is provided with a safety stop seat relative to the gearbox hoisting seat, and the gearbox hoisting seat and the safety stop seat vertically and transversely leave gaps when the bogie normally runs so as to effectively ensure the normal work of the coupling and the bearing rubber pad.
Wherein: the gear box assembly comprises a driving half shaft, a differential mechanism, a working gear set and a gear box shell, wherein the working gear set for realizing the functions of speed reduction and torque increase is arranged in the gear box shell, the working gear set is connected to a coupler through an input shaft and then connected to a traction motor, two ends of the working gear set are connected to the driving half shaft of output power through the differential mechanism respectively, and the driving half shaft extends out of the gear box shell and is connected to a wheel hub.
Wherein: and the driving half shaft and the gear box shell are sealed through an oil seal.
Wherein: the three connecting interfaces are all arranged on the gear box shell, and the gear box shell is supported by high-strength structural steel.
Wherein: at least one bearing is arranged between the hub and the gear box shell, and a walking wheel labyrinth sealing ring is arranged between the hub and the gear box shell to realize integral sealing.
Wherein: the hub is provided with a speed measuring fluted disc, and the gear box shell is provided with a receiver to realize the speed measuring function by matching with the speed measuring fluted disc.
According to the above structure, the utility model discloses a suspension type vehicle is with bearing formula gear box of taking differential mechanism has following effect:
1. the integral shell is adopted for bearing, a hollow shaft arranged on the gear box bears the axle weight of the vehicle, and the driving half shaft is a floating shaft and only bears the running torque of the vehicle.
2. The gear box is driven by double half shafts and double wheels, and a differential mechanism is arranged in the gear box, so that the function of differential of the double wheels is realized.
3. Rubber joints are provided on the gearbox housing to inhibit such undesirable movement of the drive transmission system.
4. The optimized design is carried out on the product installation, and the problem that the gear box assembly is difficult to install in a small space is solved.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows a schematic view of a differential-carrying gearbox for a suspended vehicle according to the present invention.
Fig. 2 shows the internal structure of the present invention.
Reference numerals:
the gearbox comprises a gearbox assembly 1, a bogie frame 2, a coupling 3, a hub 4, a traction motor 5, a driving half shaft 1.1, an oil seal 1.2, a bearing 1.3, a walking wheel labyrinth ring 1.4, a speed measuring fluted disc 1.5, a differential 1.6, a working gear set 1.7, a gearbox shell 1.8, a gearbox traction pin hole 1.9, a gearbox vertical rubber seat 2.1 and a gearbox hoisting seat 2.2.
Detailed Description
Referring to fig. 1 and 2, a load-carrying gearbox with differential for a suspended vehicle according to the present invention is shown.
The bearing type gearbox with the differential mechanism for the suspension type vehicle comprises a gearbox assembly 2 arranged in a bogie framework 2, wherein the gearbox assembly 2 is connected to a traction motor 5 positioned outside the bogie framework 2 through a coupling 3, so that the gearbox assembly is used as an important ring in a rail transit train bogie driving transmission system, the internal function of the gearbox assembly is mainly to output power generated by the traction motor 5 to the gearbox assembly 1 through the coupling 3, and the function of amplifying the torque of the traction motor 5 is realized.
The gearbox assembly 1 is provided with three connecting interfaces connected with the bogie framework 2, so that the bogie framework is connected with the gearbox assembly, and a foundation is laid for the transmission of system forces on the gearbox assembly and a bogie and the bearing of a gearbox shell; meanwhile, the undesirable motions such as nodding motion, swinging, transverse deviation and the like of the gear box are restrained under the combined action, one side of the gear box assembly is connected to a coupling 3, the other side of the gear box assembly is provided with a traction interface in three connection interfaces, a gear box traction pin hole 1.9 which is pinned with the traction interface is arranged on the bogie frame 2, the traction interface is used as a traction node of the gear box assembly and is matched through a pin hole to mainly realize the transmission of train traction force and limit nodding motion and swinging of the gear box assembly, the upper end of the gear box assembly is provided with a vertical rubber seat 2.1 in the three connection interfaces, the vertical rubber seat 2.1 is connected with the bogie frame 2 and mainly plays a role in vertical bearing, the transmission of vertical force is realized, and the impact is alleviated, the gear box assembly is provided with a gear box lifting seat 2.2 in the three connection interfaces between the vertical rubber seat 2.1 and the coupling, the gearbox hoisting seat 2.2 is connected to the bogie frame 2 through bolts and the like, and the gearbox hoisting seat 2.2 is mainly used for integrally hoisting the gearbox assembly, and simultaneously limits longitudinal and vertical movement of the gearbox assembly, inhibits transverse deviation of the gearbox assembly 1, and ensures that the coupling 3 works within a normal adjustable range.
Wherein, bogie frame 2 is equipped with the safety and ends the shelves seat relative to gear box hoist and mount seat 2.2, gear box hoist and mount seat 2.2 and safety backstop seat vertically and transversely leave the clearance when bogie normal operating, both can play the effect of lifting by crane, can effectively guarantee the normal work of shaft coupling 3 and bearing rubber pad again, and gear box hoist and mount seat 2.2 still realizes better safety function, prevent that the gear box oscillating quantity is too big, cause the destruction of shaft coupling 3, use when hoist and mount when the gear box assembly installation again, the earlier stage installation and the later maintenance of gear box assembly have been made things convenient for.
Referring to fig. 2, the gearbox assembly 1 includes a driving half shaft 1.1, a differential 1.6, a working gear set 1.7 and a gearbox housing 1.8, a working gear set 1.7 for realizing the functions of speed reduction and torque increase is arranged in the gearbox housing 1.8, the working gear set 1.7 is connected to the coupling 3 through an input shaft and further connected to the traction motor 5, two ends of the working gear set 1.7 are respectively connected to the driving half shaft 1.1 for outputting power through the differential 1.5, the driving half shaft 1.1 extends out of the gearbox housing 1.8 and is connected to the hub 4, and the driving half shaft 1.1 and the gearbox housing 1.8 are sealed through an oil seal 1.2, so that the functions of speed reduction and torque increase of the transmission system, common bearing of the gearbox, differential wheel running and bending are realized together.
Three connection interface all sets up on gear box shell 1.8, 3 interfaces of pre-processing on gear box shell 1.8 when guaranteeing that the gear box assembly bears jointly, restrict the motion such as the horizontal swing of gear box assembly, the side roll and shake the head, ups and downs, the point head jointly, guarantee the overall function and the life of gear box, gear box shell 1.8 passes through the high strength structural steel support to improve and bear the weight of the function.
At least one bearing 1.3 is arranged between the hub 4 and the gearbox shell 1.8, in order to further realize the axial positioning, a round nut, an adjusting pad and a walking wheel labyrinth seal ring 1.4 can be respectively arranged between the hub 4 and the gearbox shell 1.8, the functions of power output and sealing are realized through the cooperation of the round nut, the adjusting pad and the walking wheel labyrinth seal ring 1.4, and meanwhile, the oil seal 1.2 and the walking wheel labyrinth seal ring 1.4 are used in a matched mode, so that the integral sealing of the structure is realized; meanwhile, the gear box shell and the driving half shaft transmit vertical force to the hub 4 through the bearing 1.3; meanwhile, for monitoring the basic condition of the running speed of the vehicle in real time, the hub 4 is provided with a speed measuring fluted disc 1.5, and the gearbox shell 1.8 is provided with a receiver to match with the speed measuring fluted disc to realize the speed measuring function.
Therefore, in order to realize differential advancing of the bogie traveling wheels, a differential 1.6 is installed and designed in the gear box assembly 1 except for a working gear set 1.7 for realizing speed reduction and torque increase of a transmission system, and double half shaft and double wheel driving of the gear box assembly is realized. The differential mechanism of the gear box assembly can effectively solve the phenomena of rolling inside and sliding outside of wheels when a train passes a bend, and functionally realize that the left and right wheels roll at different rotating speeds when the train turns, namely, the wheels are driven to do pure rolling motion at two sides; meanwhile, most of the wheels of the existing monorail traffic train are rubber tires, and the differential mechanism assembly 1.6 is arranged in the gear box, so that the abrasion and the damage of the rubber tires can be effectively reduced, and further, the pollution of dust generated by the abrasion of the tires to the air environment, potential safety hazards caused by the falling of tire shoulders and the high-frequency damage of the tires to increase the maintenance cost of the vehicle are reduced; meanwhile, because of the existence of the differential 1.6, the wheels on the inner side and the outer side roll purely, so that the serious torsion of the gear box and the damage of various gears in the gear box caused by the larger stress difference of the hollow half shafts and the driving half shafts of the shells of the gear boxes on the two sides can be reduced, and the service life of the gear box is seriously influenced; further, the double-half-shaft double-wheel drive of the gear box assembly well avoids the problem that the traditional single-shaft double-wheel drive wheel slips when the road condition of a track surface is poor.
To sum up, the utility model has the advantages that:
1. the gearbox shell is provided with a plurality of interfaces connected with the framework, so that the transmission of longitudinal, transverse and vertical forces, the common bearing, the common limitation and the restriction of the horizontal swinging and rolling of the gearbox assembly, the motions of head shaking, sinking and floating, nodding and the like are realized;
2. the gearbox shell is provided with a vertical rubber seat which mainly plays a role in smoothly transmitting vertical force and simultaneously achieving the function of mitigating vertical impact, and the gearbox shell is provided with a traction pin hole which mainly achieves the transmission of longitudinal force and is smooth in force transmission; meanwhile, the traction pin shaft at the position adopts a structure with rubber, so that the bad movement of a driving transmission system such as nodding movement and swinging of the gear box is inhibited, the service life of each part of the bogie transmission system is prolonged, the integral hoisting of the small-space gear box assembly can be realized by the gear box hoisting seat, and the gear box is limited in multiple directions;
3. the vertical rubber seat of the gear box assembly is matched with the hollow half shaft to jointly realize the transmission of vertical force of the suspension type railway vehicle;
4. the integral arrangement and sealing mode of the positions of the driving half shafts ensure smooth rotation of the wheels, reasonable stress of corresponding positions and reliable sealing;
5. a speed measuring device is arranged, and the realization of the function of the speed measuring device is ensured at a reasonable spatial position;
6. the differential mechanism is arranged, double half shaft and double wheel driving of the gear box assembly is achieved, differential operation of the bogie traveling wheels is smoothly achieved, and overall operation performance of the suspension type monorail vehicle during bending and poor road conditions is optimized.
It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.
Claims (7)
1. A differential-carrying gearbox for a lift-type vehicle, comprising a gearbox assembly disposed within a bogie frame, said gearbox assembly being coupled to a traction motor located outside the bogie frame by a coupling, characterized in that:
the gearbox assembly is characterized in that three connecting interfaces connected with a bogie frame are arranged on the gearbox assembly, one side of the gearbox assembly is connected to a coupling, the other side of the gearbox assembly is provided with a traction interface of the three connecting interfaces, a gearbox traction pin hole which is fixed to the traction interface is arranged on the bogie frame to transmit train traction force and limit nodding movement and swing of the gearbox assembly, a vertical rubber seat of the three connecting interfaces is arranged at the upper end of the gearbox assembly and connected with the bogie frame to transmit vertical force and relieve impact, a gearbox hoisting seat of the three connecting interfaces is arranged between the vertical rubber seat and the coupling of the gearbox assembly, and the gearbox hoisting seat is connected to the bogie frame through bolts to integrally hoist the gearbox assembly and limit longitudinal movement and vertical movement.
2. The underdrive differential-carrying gearbox for a lift-type vehicle according to claim 1, wherein: the bogie frame is provided with a safety stop seat relative to the gearbox hoisting seat, and the gearbox hoisting seat and the safety stop seat vertically and transversely leave gaps when the bogie normally runs so as to effectively ensure the normal work of the coupling and the bearing rubber pad.
3. The underdrive differential-carrying gearbox for a lift-type vehicle according to claim 1, wherein: the gear box assembly comprises a driving half shaft, a differential mechanism, a working gear set and a gear box shell, wherein the working gear set for realizing the functions of speed reduction and torque increase is arranged in the gear box shell, the working gear set is connected to a coupler through an input shaft and then connected to a traction motor, two ends of the working gear set are connected to the driving half shaft of output power through the differential mechanism respectively, and the driving half shaft extends out of the gear box shell and is connected to a wheel hub.
4. A differential-carrying gearbox for a lift-type vehicle according to claim 3, wherein: and the driving half shaft and the gear box shell are sealed through an oil seal.
5. A differential-carrying gearbox for a lift-type vehicle according to claim 3, wherein: the three connecting interfaces are all arranged on the gear box shell, and the gear box shell is supported by high-strength structural steel.
6. A differential-carrying gearbox for a lift-type vehicle according to claim 3, wherein: at least one bearing is arranged between the hub and the gear box shell, and a walking wheel labyrinth sealing ring is arranged between the hub and the gear box shell to realize integral sealing.
7. A differential-carrying gearbox for a lift-type vehicle according to claim 3, wherein: the hub is provided with a speed measuring fluted disc, and the gear box shell is provided with a receiver to realize the speed measuring function by matching with the speed measuring fluted disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593900.6U CN210680727U (en) | 2019-09-24 | 2019-09-24 | Suspension type vehicle bearing type gear box with differential mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593900.6U CN210680727U (en) | 2019-09-24 | 2019-09-24 | Suspension type vehicle bearing type gear box with differential mechanism |
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| CN210680727U true CN210680727U (en) | 2020-06-05 |
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| CN201921593900.6U Active CN210680727U (en) | 2019-09-24 | 2019-09-24 | Suspension type vehicle bearing type gear box with differential mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406666A (en) * | 2022-01-04 | 2022-04-29 | 中车青岛四方机车车辆股份有限公司 | Method for assembling axle box built-in bogie by using assembling device |
-
2019
- 2019-09-24 CN CN201921593900.6U patent/CN210680727U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406666A (en) * | 2022-01-04 | 2022-04-29 | 中车青岛四方机车车辆股份有限公司 | Method for assembling axle box built-in bogie by using assembling device |
| CN114406666B (en) * | 2022-01-04 | 2023-02-21 | 中车青岛四方机车车辆股份有限公司 | Method for assembling axle box built-in bogie by using assembling device |
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