CN111452810A - Light rail bogie - Google Patents
Light rail bogie Download PDFInfo
- Publication number
- CN111452810A CN111452810A CN202010308109.7A CN202010308109A CN111452810A CN 111452810 A CN111452810 A CN 111452810A CN 202010308109 A CN202010308109 A CN 202010308109A CN 111452810 A CN111452810 A CN 111452810A
- Authority
- CN
- China
- Prior art keywords
- wheel
- climbing
- wheel frame
- light rail
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/02—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels by auxiliary driving wheels; by temporary coupling or use of fly wheels or booster engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
Abstract
The invention discloses a light rail bogie which comprises a wheel frame, wheels arranged on the wheel frame, a power assembly for driving the wheels to rotate and a climbing auxiliary assembly connected to the front end and/or the rear end of the wheel frame, wherein the climbing auxiliary assembly comprises a climbing auxiliary support arranged on the wheel frame in a vertical swinging mode and a climbing auxiliary wheel arranged on the climbing auxiliary support in a rotating fit mode. The climbing auxiliary support can be driven to vertically swing, the climbing auxiliary support is driven to swing downwards in the climbing or descending process of the light rail, the climbing auxiliary wheel is pressed above the rail to increase the friction force with the rail, the wheel slipping phenomenon is improved, the running stability of the light rail is improved, safety accidents caused by slipping are prevented, when the light rail runs horizontally, the climbing auxiliary support swings upwards to enable the climbing auxiliary wheel to be overhead above the rail, and at the moment, the climbing auxiliary wheel is separated from the rail to reduce the running resistance.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a light rail bogie.
Background
The bogie is one of the most critical components of the railway vehicle, and is used for the requirements of load bearing, braking, traction, steering and the like of a train. With the acceleration of the urbanization process in China, the problem of urban traffic congestion becomes one of the problems faced by many large and medium-sized cities in China. The light rail is favored by urban constructors to become a main urban traffic mode gradually due to the advantages of small occupied area, low cost, low energy consumption, environmental protection and the like. However, in some cities in mountainous areas and hilly areas, the light rail inevitably needs to climb or descend due to terrain, and the light rail is easy to break due to skidding of wheels and rails during climbing or descending, which may cause safety accidents in severe cases.
Disclosure of Invention
In view of the above, the present invention provides a light rail bogie, which has an auxiliary climbing device to increase friction with a guide rail during climbing or descending, thereby preventing a slip phenomenon and improving operation stability.
The invention discloses a light rail bogie which comprises a wheel frame, wheels arranged on the wheel frame, a power assembly driving the wheels to rotate and a climbing auxiliary assembly connected to the front end and/or the rear end of the wheel frame, wherein the climbing auxiliary assembly comprises a climbing auxiliary support arranged on the wheel frame in a vertically swinging mode and a climbing auxiliary wheel arranged on the climbing auxiliary support in a rotating fit mode.
Furthermore, climbing auxiliary assembly still includes the wobbling swing drive subassembly of drive climbing auxiliary stand, swing drive subassembly is including installing sharp driving piece and the middle connecting rod on the wheel frame, middle connecting rod both ends respectively with sharp driving piece output and climbing auxiliary stand middle part position normal running fit.
Furthermore, install on the climbing auxiliary stand and be used for driving the supplementary driving piece that climbs of climbing auxiliary wheel pivoted.
Furthermore, be connected with the barrier removal pole that is used for cleaing away the obstacle on the track on the climbing auxiliary stand, when climbing auxiliary wheel and track contact, the barrier removal pole transversely keeps off in climbing auxiliary wheel front side.
The wheel frame is connected with the top bracket through a secondary suspension assembly, the secondary suspension assembly comprises a guide column and a secondary spring sleeved on the guide column, the guide column is connected to the top bracket and is in vertical sliding fit with the wheel frame, and two ends of the secondary spring are respectively connected to the top bracket and the wheel frame.
Furthermore, at least two pairs of wheels which are arranged in the front and the back are installed on the wheel frame, a climbing auxiliary assembly is installed on each wheel in the wheel pair on at least the front side in a matched mode, and two corresponding obstacle removing rods in the wheel pair are transversely connected into a whole.
Further, a series of suspension elastic pieces are connected above the top support.
Furthermore, the top support is of an I-shaped structure, and a lightening hole is formed in the middle of the top support.
Further, the power assembly comprises a power driving part and a transmission part, and the power driving part outputs power through the transmission part to drive each wheel to rotate.
Further, the wheel frame is provided with horizontal installation parts which extend horizontally at two sides in the longitudinal direction of the wheel, and two groups of secondary suspension assemblies are installed at the positions, corresponding to the two installation parts, of each wheel.
The invention has the beneficial effects that:
the climbing auxiliary support can be driven to vertically swing, and in the process of climbing or descending a light rail, the climbing auxiliary support swings downwards, so that the climbing auxiliary wheel is pressed above the rail to increase the friction force with the rail, the wheel slipping phenomenon is improved, the running stability of the light rail is improved, safety accidents caused by slipping are prevented, when the light rail runs horizontally, the climbing auxiliary support swings upwards to enable the climbing auxiliary wheel to be overhead above the rail, and at the moment, the climbing auxiliary wheel is separated from the rail, so that the running resistance is reduced.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the structure;
Detailed Description
As shown in the figure: the light rail bogie of the embodiment comprises a wheel frame 10, wheels 20 and a power assembly 30 which are arranged on the wheel frame and drive the wheels to rotate, and a climbing auxiliary assembly 40 which is connected to the front end and/or the rear end of the wheel frame, wherein the climbing auxiliary assembly comprises a climbing auxiliary bracket 41 which is arranged on the wheel frame in a vertically swinging mode, and a climbing auxiliary wheel 42 which is arranged on the climbing auxiliary bracket in a rotating fit mode. The climbing auxiliary assembly is matched with wheels for use, the climbing auxiliary assembly can be independently arranged at the front end or the rear end of the wheel frame or can be simultaneously arranged at the front end and the rear end of the wheel frame, when the light rail bogie is arranged on a light rail, the advancing direction of the light rail is the front direction, the length direction of the light rail is the longitudinal direction, the width direction of the light rail is the transverse direction, and the height direction of the light rail is the vertical direction; referring to fig. 1 and 2, the wheel frame is preferably of an i-shaped structure, two sets of wheels are mounted on the wheel frame front and back, the climbing auxiliary support can swing up and down, when the light rail is assembled on the bogie and the light rail vehicle body, it is ensured that the climbing auxiliary wheel is always positioned right above the rail, and when the light rail is in the process of climbing or descending, the climbing auxiliary support swings down, so that the climbing auxiliary wheel is pressed above the rail, so as to increase the friction force with the rail, improve the wheel slip phenomenon, improve the running stability of the light rail, prevent safety accidents caused by slip, and when the light rail runs horizontally, the climbing auxiliary support swings up, so that the climbing auxiliary wheel is overhead above the rail, and at the moment, the climbing auxiliary wheel is separated from the rail, so as to reduce the running resistance.
In this embodiment, the climbing assistance component further includes a swing driving component for driving the climbing assistance bracket to swing, the swing driving component includes a linear driving element 43 and an intermediate connecting rod 44 installed on the wheel frame, and two ends of the intermediate connecting rod are respectively in rotation fit with the output end of the linear driving element and the middle position of the climbing assistance bracket. Referring to fig. 2, the linear driving member 43, the intermediate link 44, the wheel frame, and the climbing auxiliary frame form a slider-crank structure, the linear driving member is fixedly connected below the wheel frame, and the linear driving member can be driven by a linear motor or a hydraulic cylinder, so that the state of the climbing auxiliary frame is maintained, and a stable acting force pressed on the track is provided for the climbing auxiliary wheel.
In this embodiment, an auxiliary climbing driving member 45 for driving the auxiliary climbing wheel 42 to rotate is mounted on the auxiliary climbing support. As shown in fig. 2, the auxiliary climbing driving member is driven by a motor, and when the auxiliary climbing wheel presses the track, the auxiliary climbing wheel is driven by the auxiliary climbing driving member to rotate along the track, so as to drive the light rail to climb the slope as auxiliary power, thereby improving the climbing capability of the light rail.
In this embodiment, the climbing auxiliary support is connected with a barrier removing rod 46 for removing the barrier on the rail, and when the climbing auxiliary wheel 42 contacts with the rail, the barrier removing rod transversely blocks the front side of the climbing auxiliary wheel. When the climbing auxiliary wheel is in contact with the track, the obstacle removing rod is ensured to be arranged above the track in an overhead mode and not to be in contact with the track, the obstacle removing rod is ensured to be about 20-50mm away from the track, a climbing auxiliary assembly is arranged on each of the two wheels on the front side of the bogie in a matched mode, the corresponding obstacle removing rod can remove obstacles such as stones on the track on the front side of the bogie, and reliable operation of the light rail is ensured.
In this embodiment, the vehicle further comprises a top bracket 50 mounted on the wheel frame, the top bracket is connected with the wheel frame through a secondary suspension assembly, the secondary suspension assembly comprises a guide post 51 and a secondary spring 52 sleeved on the guide post, the guide post is connected with the top bracket and is vertically matched with the wheel frame in a sliding manner, and two ends of the secondary spring are respectively connected with the top bracket and the wheel frame. The top support is connected with the wheel frame through a secondary suspension assembly, wherein the wheel frame can be provided with a damping sleeve or a damping groove, the guide post is sleeved in the damping sleeve or the damping groove, and damping is formed between the wheel frame and the top support through a secondary spring, a hydraulic damping structure can be formed between the guide post and the damping sleeve to further form damping, the secondary spring is a cylindrical spiral spring, and certainly, elastic structures such as a disc spring and the like can be adopted, or the secondary suspension assembly can also adopt an air spring or an existing suspension structure, and detailed description is omitted;
in this embodiment, at least two pairs of wheels are installed on the wheel frame 10, the wheels are arranged in front of and behind each other, at least one climbing assistance assembly is installed on each wheel in the front wheel pair, and the two obstacle removing rods corresponding to the wheel pairs are connected into a whole in the transverse direction. As shown in fig. 1, two wheels in the front wheel pair of the wheel frame are respectively provided with a climbing auxiliary assembly in a matched manner, the two climbing auxiliary assemblies are respectively connected to the two transverse sides of the head of the wheel frame, the barrier removing rods in the two climbing auxiliary assemblies are connected into a whole to form a transverse rod transversely blocked at the front side of the head of the wheel frame, the transverse rod is rigidly connected with the two corresponding climbing auxiliary supports, the transverse rod is used as a barrier removing rod structure, and the two climbing auxiliary supports are also rigidly connected into a whole, so that the two auxiliary supports synchronously swing, and the integral consistency of the two auxiliary supports is improved.
In this embodiment, a series of suspension springs 61 are attached to the top bracket 50. The primary suspension elastic part is of a spiral spring structure, two springs which are longitudinally arranged in parallel are respectively arranged on the two transverse sides of the top support, and the primary suspension elastic part can also adopt an air spring or other elastic structures, which is not described in detail;
in this embodiment, the top bracket 50 is an i-shaped structure, and a lightening hole is formed in the middle of the top bracket 50. The top support 50 is composed of two longitudinal beams and a cross beam connected between the two longitudinal beams, and lightening holes are formed in the cross beam, so that the strength and rigidity of the top support are guaranteed, and the lightweight design is realized.
In this embodiment, the powertrain includes a power driving member 31 and a transmission member 32, and the power driving member outputs power through the transmission member for driving each wheel 20 to rotate. Referring to fig. 1, the power driving member is a motor, the transmission member is a gear pair or a conventional speed reducer, each wheel is driven to rotate by the power driving member, the power assembly is mounted on the wheel frame, so that the overall consistency of the power assembly and the wheel is ensured, and the power assembly can be provided with one set of four wheels which are driven synchronously or a plurality of sets of wheels which are driven respectively.
In this embodiment, the wheel frame 10 has horizontal mounting portions 11 extending horizontally at both sides in the longitudinal direction of the wheel, and two sets of secondary suspension assemblies are mounted on each wheel corresponding to the two mounting portions. Referring to fig. 2, the wheel frame 10 projects upward to form a mounting portion for mounting the wheel axle, and both longitudinal sides of the mounting portion extend outward to form horizontal mounting portions for mounting the secondary spring, and the mounting portions are used for mounting the climbing assistance bracket 41 and the linear actuator.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A light rail bogie is characterized in that: the climbing assisting device comprises a wheel frame, wheels arranged on the wheel frame, a power assembly for driving the wheels to rotate and a climbing assisting assembly connected to the front end and/or the rear end of the wheel frame, wherein the climbing assisting assembly comprises a climbing assisting support arranged on the wheel frame in a vertical swinging mode and a climbing assisting wheel arranged on the climbing assisting support in a rotating fit mode.
2. The light rail truck of claim 1 wherein: the climbing auxiliary assembly further comprises a swing driving assembly for driving the climbing auxiliary support to swing, the swing driving assembly comprises a linear driving piece and a middle connecting rod, the linear driving piece and the middle connecting rod are mounted on the wheel frame, and two ends of the middle connecting rod are in rotating fit with the output end of the linear driving piece and the middle position of the climbing auxiliary support respectively.
3. The light rail truck of claim 2 wherein: and an auxiliary climbing driving piece for driving the auxiliary climbing wheel to rotate is arranged on the auxiliary climbing support.
4. The light rail truck of claim 2 wherein: the climbing auxiliary support is connected with a barrier removing rod used for removing barriers on the track, and when the climbing auxiliary wheel is in contact with the track, the barrier removing rod transversely blocks the front side of the climbing auxiliary wheel.
5. The light rail truck of claim 1 wherein: the wheel frame is characterized by further comprising a top support arranged on the wheel frame, the top support is connected with the wheel frame through a secondary suspension assembly, the secondary suspension assembly comprises a guide column and a secondary spring sleeved on the guide column, the guide column is connected to the top support and is in vertical sliding fit with the wheel frame, and two ends of the secondary spring are connected to the top support and the wheel frame respectively.
6. The light rail truck of claim 4 wherein: at least two pairs of wheels which are arranged in the front and the back are installed on the wheel frame, a climbing auxiliary assembly is installed on each wheel in the wheel pair on at least the front side in a matched mode, and two obstacle removing rods corresponding to the wheel pair are transversely connected into a whole.
7. The light rail truck of claim 5 wherein: a series of suspension elastic pieces are connected above the top support.
8. The light rail truck of claim 5 wherein: the top support is of an I-shaped structure, and a lightening hole is formed in the middle of the top support.
9. The light rail truck of claim 1 wherein: the power assembly comprises a power driving part and a transmission part, and the power driving part outputs power through the transmission part to drive each wheel to rotate.
10. The light rail truck of claim 5 wherein: the wheel frame is located wheel longitudinal direction both sides and has the horizontal installation department of horizontal extension, every wheel is corresponding to two installation departments and is installed two sets of secondary suspension subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308109.7A CN111452810B (en) | 2020-04-17 | 2020-04-17 | Light rail bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308109.7A CN111452810B (en) | 2020-04-17 | 2020-04-17 | Light rail bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111452810A true CN111452810A (en) | 2020-07-28 |
| CN111452810B CN111452810B (en) | 2022-01-25 |
Family
ID=71675964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010308109.7A Active CN111452810B (en) | 2020-04-17 | 2020-04-17 | Light rail bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111452810B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339781A (en) * | 2020-11-13 | 2021-02-09 | 合肥工业大学 | Lifting wheel device for assisting starting and climbing of locomotive |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004893A (en) * | 2016-06-13 | 2016-10-12 | 株洲中车特种装备科技有限公司 | System assisting monorail excursion train in going uphill |
| CN207449913U (en) * | 2017-10-30 | 2018-06-05 | 比亚迪汽车工业有限公司 | A kind of bogie is with having its Rail Transit System |
| CN208069658U (en) * | 2018-02-08 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of straddle-type monorail train double mode driving bogie being suitable for very big ramp |
| CN108327731B (en) * | 2018-04-04 | 2020-04-14 | 西南交通大学 | Mountain embedded-tooth type monorail train pulled by ramp and rail system |
-
2020
- 2020-04-17 CN CN202010308109.7A patent/CN111452810B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004893A (en) * | 2016-06-13 | 2016-10-12 | 株洲中车特种装备科技有限公司 | System assisting monorail excursion train in going uphill |
| CN207449913U (en) * | 2017-10-30 | 2018-06-05 | 比亚迪汽车工业有限公司 | A kind of bogie is with having its Rail Transit System |
| CN208069658U (en) * | 2018-02-08 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of straddle-type monorail train double mode driving bogie being suitable for very big ramp |
| CN108327731B (en) * | 2018-04-04 | 2020-04-14 | 西南交通大学 | Mountain embedded-tooth type monorail train pulled by ramp and rail system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339781A (en) * | 2020-11-13 | 2021-02-09 | 合肥工业大学 | Lifting wheel device for assisting starting and climbing of locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111452810B (en) | 2022-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203283242U (en) | Steering frame of suspension type monorail vehicle | |
| CN107878496B (en) | Bogie structure of PRT suspension train and operation system comprising bogie structure | |
| CN201415596Y (en) | Vehicle front wheel independent suspension device | |
| CN103332197A (en) | Suspension type monorail vehicle bogie | |
| CN103287440A (en) | Combined type single-rail public transport system | |
| CN109878544B (en) | Rail vehicle bogie assembly and rail transit system for tourist attraction | |
| WO2006007679A2 (en) | A monorail vehicle | |
| CN111452810B (en) | Light rail bogie | |
| CN104354712A (en) | Novel urban rail bogie design method | |
| CN201924244U (en) | Intermediate orbit and auxiliary device transportation system | |
| CN211893234U (en) | Straddle type monorail vehicle bogie | |
| CN103318187A (en) | Cable-suspended type rail locomotive | |
| CN210618138U (en) | Suspension type single-rail vehicle single-shaft bogie adopting wheel-side speed reducer | |
| CN202200987U (en) | Power steering frame of longitudinally driven hybrid wheel pair with single motor and double shafts | |
| CN209814003U (en) | Rail vehicle bogie assembly for tourist attraction and rail transit system | |
| CN205296007U (en) | A dangerous ware is kept away to road for retarding braking vehicle | |
| EP1279580B1 (en) | A suspended vehicles transportation system | |
| KR101236536B1 (en) | Monorail bogie assay with separation preventing means of carriage | |
| CN215097585U (en) | Bogie frame of subway electric transmission maintenance tractor | |
| CN214737658U (en) | Anti-collision device for traffic road | |
| CN212289852U (en) | Bogie and straddle type monorail vehicle with same | |
| CN204236484U (en) | A kind of new city light rail bogie | |
| CN111301440A (en) | Suspension type monorail traffic system that climbing ability is strong | |
| CN102463998B (en) | Powered bogie with hybrid wheel pairs | |
| CN205149430U (en) | Oblique shock attenuation arm independent suspension of multi -link reaches vehicle including this suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20200728 Assignee: Guizhou Senluogu Technology Co.,Ltd. Assignor: Li Fuying Contract record no.: X2023500000005 Denomination of invention: Light rail bogie Granted publication date: 20220125 License type: Common License Record date: 20230524 |