CN113212462B - Walking steering device and intelligent PRT (pre-stressed traffic track) vehicle - Google Patents
Walking steering device and intelligent PRT (pre-stressed traffic track) vehicle Download PDFInfo
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- CN113212462B CN113212462B CN202110722148.6A CN202110722148A CN113212462B CN 113212462 B CN113212462 B CN 113212462B CN 202110722148 A CN202110722148 A CN 202110722148A CN 113212462 B CN113212462 B CN 113212462B
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- steering
- arm
- chassis
- connecting rod
- rocker arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B3/00—Elevated railway systems with suspended vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/59—Responders; Transponders
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
Abstract
The invention belongs to the technical field of rail transit, and particularly relates to a walking steering device and an intelligent PRT (pitch circle track) traffic rail car. The walking steering device comprises a chassis and a steering mechanism arranged on the chassis; the steering mechanism comprises a power element, a first steering arm, a second steering arm and a linkage element; the linkage element is used for driving the first steering arm to fall on the left side of the chassis and simultaneously driving the second steering arm to lift on the right side of the chassis, or driving the first steering arm to lift on the left side of the chassis and simultaneously driving the second steering arm to fall on the right side of the chassis. The intelligent PRT traffic rail car comprises the walking steering device and a carriage arranged on the walking steering device. The invention can greatly improve the passing efficiency of the rail car, effectively solves the passing efficiency problem of the rail car at the turnout, and is safe and reliable during lane changing.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to a walking steering device and an intelligent PRT (hybrid railway track traffic) traffic rail car.
Background
Rail traffic refers to a traffic system that uses vehicles to travel on fixed rails and is primarily used for passenger transport. The rail transit is usually operated in a way that vehicles run on a fixed rail on the ground, and the vehicles run in a single or a plurality of areas with high population density according to the guidance of the rails to the vehicles by using the driving force generated by a power device of the vehicles.
A Personal Rapid Transit system (PRT for short), which is an automatic guide rail Transit system and aims to provide uninterrupted transportation according to requirements, and is generally used for urban traffic, large scenic spots and the like. Personal rapid transit systems have small cars and often can only accommodate 2 to 6 passengers traveling on tracks. Its line design often includes a large number of off-line stations, switches. The design enables the personal rapid transit system to carry out the transportation service without stopping in the middle and from point to point.
In the existing personal rapid transportation system, most rail cars pass through a turnout or enter a station, the rail cars need to wait for the turnout action to select a road, the speed reduction operation speed is often greatly reduced, the passing efficiency is low, the passenger flow volume cannot be improved, the process of passing through the turnout or entering the station needs to be queued, the transportation volume is generally not high, and the requirement of people flow transportation in a rush hour cannot be met.
Disclosure of Invention
In order to solve the problems, the invention provides a walking steering device and an intelligent PRT traffic rail car, which have the technical scheme that:
a walking steering device comprises a chassis and a steering mechanism arranged on the chassis; the chassis is used for bearing a rail car, and walking wheels are arranged on the chassis and used for walking on a rail; the steering mechanism comprises a power element, a first steering arm, a second steering arm and a linkage element; the power element is connected with the linkage element and is used for driving the linkage element; the linkage element is respectively connected with the first steering arm and the second steering arm and used for driving the first steering arm to fall on the left side of the chassis and simultaneously driving the second steering arm to lift on the right side of the chassis, or driving the first steering arm to lift on the left side of the chassis and simultaneously driving the second steering arm to fall on the right side of the chassis.
The walking steering device as described above is more preferably: the linkage element comprises a base frame, a linkage rod, a first rocker arm, a second rocker arm and a third rocker arm; the base frame is arranged on the chassis and is respectively hinged with the first steering arm and the second steering arm; one end of the first rocker arm is fixedly connected with the first steering arm, and the other end of the first rocker arm is hinged with the linkage rod; one end of the second rocker arm is fixedly connected with the second steering arm, and the other end of the second rocker arm is hinged with the linkage rod; one end of the third rocker arm is fixedly connected with the power element, and the other end of the third rocker arm is hinged with the linkage rod; the linkage rod is used for driving the first steering arm and the second steering arm to rotate synchronously under the driving of the power element.
The walking steering device as described above is more preferably: the first rocker arm is hinged with the left end of the linkage rod; the second rocker arm is hinged with the right end of the linkage rod; the hinged joint of the third rocker arm and the linkage rod is positioned between the left end and the right end of the linkage rod.
The walking steering device as described above is more preferably: the first rocker arm and the second rocker arm are the same in length.
The walking steering device as described above is more preferably: the first rocker arm and the third rocker arm are the same in length.
The walking steering device as described above is more preferably: the two linkage elements are respectively arranged at the front end and the rear end of the chassis, are symmetrically arranged and are connected through a synchronization element, and the synchronization element is used for realizing the consistent action of the two linkage elements.
The walking steering device as described above is more preferably: the synchronizing element comprises a first drive shaft, a second drive shaft, a first connecting rod, a second connecting rod and a third connecting rod; the power element is fixedly connected with one end of the third rocker arm through the first driving shaft; one end of the first connecting rod is connected with the first driving shaft, and the other end of the first connecting rod is connected with one end of the second connecting rod; one end of the third connecting rod is connected with the other end of the second connecting rod, and the other end of the third connecting rod is connected with one end of the second driving shaft; the other end of the second driving shaft is fixedly connected with one end of the other third rocker arm.
The walking steering device as described above is more preferably: the first driving shaft and the first connecting rod, the first connecting rod and the second connecting rod, the second connecting rod and the third connecting rod and the second driving shaft are connected in a hinged mode.
The walking steering device as described above is more preferably: the first driving shaft and the first connecting rod, the first connecting rod and the second connecting rod, the second connecting rod and the third connecting rod and the second driving shaft are connected through universal shafts.
The walking steering device as described above is more preferably: the side guide wheels are arranged on the base frame, are respectively arranged on the left side and the right side of the base frame, are positioned between the free end of the first steering arm and the left end of the chassis and between the free end of the second steering arm and the right end of the chassis, and are used for guiding the inner side of the track.
The walking steering device as described above is more preferably: a buffer is arranged between the side guide wheel and the base frame, one end of the buffer is connected with the side guide wheel, and the other end of the buffer is connected with the base frame.
The walking steering device as described above is more preferably: the buffer is any one of a hydraulic buffer, a spring, a rubber buffer and a pneumatic buffer or a combination of the hydraulic buffer, the spring, the rubber buffer and the pneumatic buffer.
The walking steering device as described above is more preferably: the first steering arm is J-shaped and comprises a straight part and a bent part which are connected with each other; the end part of the straight part is connected with the linkage element and is used for rotating the first steering arm along the advancing direction of the chassis; the free end of the bent part is provided with a steering wheel; the steering wheel is used for being hung on the outer wall of the turnout to pull the chassis to steer when the chassis passes through the turnout.
The walking steering device as described above is more preferably: the outer contour of the second steering arm is the same as the outer contour of the first steering arm.
The walking steering device as described above is more preferably: and the chassis is provided with a position sensor for detecting the positions of the first steering arm and the second steering arm.
The walking steering device as described above is more preferably: the power element is any one of a motor, a hydraulic cylinder and a cylinder.
An intelligent PRT (hybrid railway track) traffic rail car comprises the walking steering device and a carriage arranged on the walking steering device.
Analysis shows that compared with the prior art, the invention has the advantages and beneficial effects that:
1. in the walking steering device, steering is realized through the steering mechanism arranged on the chassis, the steering mechanism can steer actively, so that the rail car is guided to realize active lane change, the passing efficiency of the rail car can be greatly improved, and the problem of the passing efficiency of the rail car at a turnout is effectively solved. When the steering mechanism executes actions, the first steering arm and the second steering arm are linked, one steering arm is lifted up inevitably, the condition that the first steering arm and the second steering arm are both hung on the track can not be generated, and the rail car is effectively prevented from being clamped on the track when passing through a turnout.
2. In the walking steering device, the number of the linkage elements is two, each linkage element is connected with one first steering arm and one second steering arm, and when the rail car selects a lane changing direction, the two linkage elements can synchronously execute actions, so that the actions of the two first steering arms are consistent, the actions of the two second steering arms are consistent, a double-insurance mechanism is formed, and the running safety of the rail car is improved.
3. In the walking steering device, the base frame is provided with the side guide wheels, and when the rail car runs along the rail, the side guide wheels can play a role in guiding the inner walls of the left side and the right side of the rail; when the rail car actively changes the track, the side guide wheels can be matched with the first steering arm or the second steering arm to jointly limit the traveling track of the rail car. The side guide wheels are installed on the base frame through the buffer, and the rail car can run more stably and smoothly.
Drawings
Fig. 1 is a schematic structural view of a walking steering device of the present invention.
Fig. 2 is a schematic view of the connection of two linkage elements of the present invention.
Fig. 3 is a schematic structural view of the overhead rail fixed turnout of the invention.
Fig. 4 is a schematic view showing the operation of the walking steering device of the present invention on the fixed turnout of the overhead rail.
In the figure: 1-a chassis; 2-travelling wheels; 3-a first steering arm; 4-a first rocker arm; 5-a linkage rod; 6-a third rocker arm; 7-a second rocker arm; 8-side guide wheels; 9-a second steering arm; 10-a base frame; 11-a synchronization element; 12-a first connecting rod; 13-a second connecting rod; 14-a third connecting rod; 15-a buffer; 16-a first side guide rail; 17-first split rail one; 18-connecting column; 19-second split rail one; 20-first split rail two; 21-a second side guide rail; 22-third side guide rail; 23-arc transition section; 24-a first transition section; 25-second transition section.
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 the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" as used herein are intended to be broadly construed, and may include, for example, fixed connections and removable connections; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a walking steering device according to the present invention;
FIG. 2 is a schematic view of the connection of two linkage elements of the present invention; FIG. 3 is a schematic structural view of the fixed turnout of the overhead rail of the present invention; fig. 4 is a schematic view showing the operation of the walking steering device of the present invention on the fixed turnout of the overhead rail.
The invention provides a walking steering device, which mainly comprises a chassis 1 and a steering mechanism arranged on the chassis 1. The chassis 1 is the chassis 1 of railcar for bear the weight of railcar, is equipped with walking wheel 2 on the chassis 1, can be along rolling under power drive to realize the walking of railcar on the track. The steering mechanism comprises a power element, a first steering arm 3, a second steering arm 9 and a linkage element. The power element is connected with the linkage element and used for providing power for the linkage element and driving the linkage element to act. The linkage elements are respectively connected with the first steering arm 3 and the second steering arm 9, and can simultaneously drive the first steering arm 3 and the second steering arm 9 to act, so that the linkage of the action of the first steering arm 3 and the second steering arm 9 is realized. When the linkage element drives the first steering arm 3 to fall down on the left side of the chassis 1, the linkage element simultaneously drives the second steering arm 9 to lift up on the right side of the chassis 1; when the linkage element drives the first steering arm 3 to lift on the left side of the chassis 1, the second steering arm 9 is simultaneously driven to fall on the right side of the chassis 1.
In the walking steering device, the steering is realized through the steering mechanism arranged on the chassis 1, and when the walking steering device runs on a turnout, the steering mechanism can actively steer to further guide a rail car to realize active lane change, so that the turnout can be designed into a fixed turnout. When the first steering arm 3 falls down on the left side of the chassis 1, the first steering arm can be put on the outer side of a turnout to pull the rail car to change the way to the left side; when the second steering arm 9 falls down on the right side of the chassis 1, the second steering arm can be put on the outer side of a turnout to pull the rail car to change the way to the right side. The walking steering device can greatly improve the passing efficiency of the rail car, can lead the rail car to go to different destinations in the running process without mutual influence, and effectively solves the passing efficiency problem of the rail car at the turnout. The turnout can be a fixed turnout, and has no action mechanism, when a path is selected, the steering mechanism executes action, road selection is carried out according to information issued by the main control system of the rail car, the rail car is completely autonomous and controllable, the steering action can be judged in advance, waiting is not needed, other follow-up rail cars cannot be influenced, time is saved, and traffic efficiency is improved. When the steering mechanism executes actions, the first steering arm 3 and the second steering arm 9 are interlocked, one is lifted up inevitably while the other falls down, the condition that the first steering arm 3 and the second steering arm 9 are both hung on a track can not be generated, and the rail car is effectively prevented from being stuck on the track when passing through a turnout.
Specifically, in the present invention, the linkage element includes a base frame 10, a linkage rod 5, a first swing arm 4, a second swing arm 7, and a third swing arm 6. The base frame 10 is mounted on the chassis 1 and can provide mounting positions for the first steering arm 3 and the second steering arm 9. The base frame 10 is respectively hinged with the first steering arm 3 and the second steering arm 9, so that the first steering arm 3 can freely swing up and down on the left side of the chassis 1, and the second steering arm 9 can freely swing up and down on the right side of the chassis 1. Meanwhile, one end of a first rocker arm 4 is fixedly connected with the first steering arm 3, the other end of the first rocker arm is hinged with the linkage rod 5, one end of a second rocker arm 7 is fixedly connected with a second steering arm 9, the other end of the second rocker arm is hinged with the linkage rod 5, one end of a third rocker arm 6 is fixedly connected with a power element, and the other end of the third rocker arm is hinged with the linkage rod 5. When the power element drives the third rocker arm 6 to rotate, the third rocker arm 6 transmits torque to the linkage rod 5, the linkage rod 5 transmits the torque to the first rocker arm 4 and the second rocker arm 7, synchronous rotation and action interlocking of the first steering arm 3 and the second steering arm 9 can be achieved, and safety of the steering device is improved.
Further, in the invention, the first rocker arm 4 is hinged with the left end of the linkage rod 5, the second rocker arm 7 is hinged with the right end of the linkage rod 5, and the hinged joint of the third rocker arm 6 and the linkage rod 5 is positioned between the left end and the right end of the linkage rod 5, so that the input of torque on the linkage rod 5 from the middle and the output of torque from the two ends can be realized, and the torque distribution on the linkage rod 5 is optimized.
Further, in the invention, the lengths of the first rocker arm 4 and the second rocker arm 7 are the same, and further, when the linkage rod 5 performs action, the action amplitudes of the first steering arm 3 and the second steering arm 9 can be the same.
Further, in the present invention, the first rocker arm 4 and the third rocker arm 6 are the same in length, so that the first rocker arm 4, the second rocker arm 7, and the third rocker arm 6 are all the same in length. When the linkage rod 5 executes action, the action amplitudes of the first rocker arm 4, the second rocker arm 7 and the third rocker arm 6 are the same, the rotating angle of the third rocker arm 6 is the steering angle of the first steering arm 3 and the second steering arm 9, and the steering angles of the first steering arm 3 and the second steering arm 9 can be directly controlled in equal proportion (1:1) by controlling the output rotating angle of the power element.
In the invention, two linkage elements are provided, each linkage element is connected with a first steering arm 3 and a second steering arm 9, the two linkage elements, the two first steering arms 3 and the two second steering arms 9 are respectively arranged at the front end and the rear end of the chassis 1, the two linkage elements are symmetrically arranged, the two first steering arms 3 are symmetrically arranged, the two second steering arms 9 are symmetrically arranged, and the two linkage elements are connected through a synchronization element 11. The synchronous element 11 can realize the consistent action of the two linkage elements, and when the rail car selects the lane changing direction, the two linkage elements can synchronously execute the action, so that the action of the two first steering arms 3 is consistent, the action of the two second steering arms 9 is consistent, a double-insurance mechanism is formed, and the running safety of the rail car is improved.
Specifically, in the present invention, the synchronizing member 11 includes a first driving shaft, a second driving shaft, a first connecting rod 12, a second connecting rod 13, and a third connecting rod 14. The power element is fixedly connected with one end of the third rocker arm 6 through a first driving shaft (when the linkage element is one, the power element can directly drive the third rocker arm 6); one end of the first connecting rod 12 is connected with the first driving shaft, and the other end is connected with one end of the second connecting rod 13; one end of the third connecting rod 14 is connected with the other end of the second connecting rod 13, and the other end of the third connecting rod 14 is connected with one end of the second driving shaft; the other end of the second driving shaft is fixedly connected with one end of the other third rocker arm 6, so that one power element can simultaneously drive the two first steering arms 3 and the two second steering arms 9 to synchronously execute actions, and the action consistency of the two first steering arms 3 and the two second steering arms 9 is ensured. Preferably, in the present invention, the first driving shaft and the first connecting rod 12, the first connecting rod 12 and the second connecting rod 13, the second connecting rod 13 and the third connecting rod 14, and the third connecting rod 14 and the second driving shaft are all connected by hinges, and when the hinges are performed, the axis of the hinge shaft is perpendicular to the length direction of the synchronizing element 11, which not only ensures the synchronous action of the two linkage elements, but also enriches the space occupation selection of the synchronizing element 11, realizes the diversified arrangement of the synchronizing element 11 on the chassis 1, and facilitates the structural layout. As a practical form, the first driving shaft and the first connecting rod 12, the first connecting rod 12 and the second connecting rod 13, the second connecting rod 13 and the third connecting rod 14, and the third connecting rod 14 and the second driving shaft may be hinged by cardan shafts.
In order to ensure the smoothness of the rail car when turning and running along the rail, in the invention, the side guide wheels 8 are arranged on the base frame 10, the side guide wheels 8 are respectively arranged at the left side and the right side of the base frame 10 and are positioned between the free end of the first steering arm 3 and the left end of the chassis 1 and between the free end of the second steering arm 9 and the right end of the chassis 1, and the guide function can be realized at the inner side of the rail. When the rail car runs along the rail, the side guide wheels 8 can play a role in guiding the inner walls of the left side and the right side of the rail, so that the rail car is prevented from deviating leftwards or rightwards; the side guide wheels 8 can also cooperate with the first steering arm 3 or the second steering arm 9 to define the track of the rail car when the rail car is actively changing lanes at a fixed switch.
Further, in the present invention, the side guide 8 is mounted on the base frame 10 via the damper 15. A buffer 15 is arranged between the side guide wheel 8 and the base frame 10, one end of the buffer 15 is connected with the side guide wheel 8, and the other end is connected with the base frame 10. When the rail car changes lanes, the side guide wheels 8 can stretch along the lane changing direction, so that the rail car has buffering time, and the rail car can run more stably and smoothly. In specific implementation, the damper 15 of the present invention may be a hydraulic damper, a pneumatic damper, a rubber damper, a spring, etc., and may be a single type damper or a combined type damper, for example, a combination of a rubber and a spring, a combination of a hydraulic and a spring, etc.
As the urging member for the active lane change, in the present invention, the first steering arm 3 is J-shaped and includes a straight portion and a bent portion connected to each other. The end of the straight portion is connected to a linkage element, which in turn enables the first steering arm 3 to be turned in the direction of travel of the chassis 1. The free end of bight is equipped with the directive wheel, and the directive wheel can be hung on the outer wall of switch and pulls chassis 1 and turn to when chassis 1 (railcar) passes through the switch, changes sliding friction into rolling friction, reduces the running resistance of railcar. Preferably, in the present invention, the outer contour of the second steering arm 9 is the same as the outer contour of the first steering arm 3, so that the compatibility can be improved and the structure can be simplified.
In order to facilitate operation control and real-time information grasping, in the invention, the chassis 1 is provided with the position sensor which can detect the positions of the first steering arm 3 and the second steering arm 9, so that the operation condition of the rail car is clearer.
As a power source for the active-type track-changing of the rail vehicle, in the invention, the power element can be a motor (an integrated motor), a hydraulic cylinder (a rotary oil cylinder) or a cylinder (a rotary air cylinder).
Based on the walking steering device, the invention also provides an intelligent PRT traffic rail car, which comprises the walking steering device and a carriage arranged on the walking steering device. Specifically, the carriage is used for bearing passengers and/or goods, the carriage is arranged on the walking steering device, and the intelligent PRT traffic rail car finishes walking and lane changing in transportation through the walking steering device.
Meanwhile, the invention also provides a fixed turnout of the overhead track, which divides the track into two or integrates the track into two on a traveling path and is used for changing the track by matching with a walking steering device. Of course, the fixed turnout of the overhead rail can be used independently and matched with other steering devices to realize the active turnout change of the rail car.
In the present invention, the fixed turnout of the overhead rail comprises a first face rail, a second face rail, a first side guide rail 16 and a second side guide rail 21. The first surface rail and the second surface rail are intersected to form a Y shape, and three free ends of the Y shape are respectively used for connecting one rail. The first side guide rail 16 is arranged on the first face rail and is positioned on one side of the first face rail, which is far away from the second face rail; the second side guide rail 21 is installed on the second face rail at a side of the second face rail away from the first face rail. When the walking wheel is used, the first surface rail and the second surface rail are used for bearing the walking of the walking wheel 2; the first side guide rail 16 and the second side guide rail 21 are used to cooperate with the steering mechanism to drive the rail car to actively change the track.
Specifically, when the railcar is actively changed, the first side guide rail 16 is used for pulling the first steering arm 3 to further realize left turning of the railcar, and the second side guide rail 21 is used for pulling the second steering arm 9 to further realize right turning of the railcar. The fixed switch of overhead track is fixed structure, does not have any action mechanism, can let the railcar quick switch that passes through, improves the current efficiency of railcar greatly, can let the railcar go to different destinations at the operation in-process, each other does not influence, effectively solves the problem that the efficiency is low when the railcar passes through the switch.
Further, in the invention, the first surface rail comprises a first sub rail 17 and a second sub rail 20, the first sub rail 17 and the second sub rail 20 are arranged in parallel and fixedly connected by a plurality of connecting columns 18, and the plurality of connecting columns 18 are arranged in parallel, so that the structural strength of the first surface rail can be improved; the second face rail includes that the second divides rail one 19 and second to divide rail two, and the second divides rail one 19 and second to divide rail two parallel arrangement, and links firmly by a plurality of spliced poles 18, and 18 parallel arrangement of a plurality of spliced poles can improve the structural strength of second face rail, and then improves the overall structure intensity of the fixed switch of overhead track, guarantees the security of railcar operation.
Furthermore, when the first surface rail is connected with the second surface rail, one end of the first second branch rail 19 is tangent to the first branch rail 17, one end of the second branch rail is tangent to the second first branch rail 20, and the first second branch rail 19 and the second first branch rail 20 are intersected, so that the smoothness and the safety of the track change of the rail car can be guaranteed.
Further, in the present invention, the first guide rail 16 is u-shaped, and opens toward the second guide rail 21; the second side guide rail 21 is u-shaped and opens towards the first side guide rail 16, which prevents the side guide wheels 8 from slipping out, and thus avoids derailing of the rail car.
Further, in the invention, the side guide rail device further comprises a third side guide rail 22, wherein the third side guide rail 22 is in a V shape and is fixedly connected with the first second branch rail 19 and the second first branch rail 20 respectively, and the opening end faces to the separated end of the rail, so that when the rail car changes the track, the side guide rail device can provide guide for the side guide wheel 8 in the opposite direction of the changed track. Preferably, in the present invention, the third side guide rail 22 is a circular arc transition section 23 at the bending position, so that stress concentration can be avoided, and the service life of the third side guide rail 22 can be prolonged. The first transition section 24 and the second transition section 25 are connected respectively to the both ends of circular arc type changeover portion 23, are equipped with the contained angle between first transition section 24 and the first branch rail two 20, are equipped with the contained angle between second changeover portion 25 and the second branch rail 19, can provide the buffering when the railcar changes the road, take place the card pause when preventing that side guide 8 from getting into.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (9)
1. A walk steering device, comprising:
the steering mechanism is mounted on the chassis;
the chassis is used for bearing a rail car, and walking wheels are arranged on the chassis and used for walking on a rail;
the steering mechanism comprises a power element, a first steering arm, a second steering arm and a linkage element;
the power element is connected with the linkage element and is used for driving the linkage element;
the linkage element is respectively connected with the first steering arm and the second steering arm and is used for driving the first steering arm to fall on the left side of the chassis and simultaneously driving the second steering arm to lift on the right side of the chassis or driving the first steering arm to lift on the left side of the chassis and simultaneously driving the second steering arm to fall on the right side of the chassis;
the linkage element comprises a base frame, a linkage rod, a first rocker arm, a second rocker arm and a third rocker arm;
the base frame is arranged on the chassis and is hinged with the first steering arm and the second steering arm respectively; one end of the first rocker arm is fixedly connected with the first steering arm, and the other end of the first rocker arm is hinged with the linkage rod; one end of the second rocker arm is fixedly connected with the second steering arm, and the other end of the second rocker arm is hinged with the linkage rod; one end of the third rocker arm is fixedly connected with the power element, and the other end of the third rocker arm is hinged with the linkage rod; the linkage rod is used for synchronously driving the first steering arm and the second steering arm to rotate under the driving of a power element.
2. The walk steering device according to claim 1, characterized in that:
the first rocker arm is hinged with the left end of the linkage rod;
the second rocker arm is hinged with the right end of the linkage rod;
the hinged joint of the third rocker arm and the linkage rod is positioned between the left end and the right end of the linkage rod.
3. The walk steering device according to claim 2, characterized in that:
the first rocker arm and the second rocker arm are the same in length;
the first rocker arm and the third rocker arm are the same in length.
4. The walk steering device according to claim 1, characterized in that:
the two linkage elements are respectively arranged at the front end and the rear end of the chassis, are symmetrically arranged and are connected through a synchronous element, and the synchronous element is used for realizing the consistent action of the two linkage elements;
the synchronizing element comprises a first drive shaft, a second drive shaft, a first connecting rod, a second connecting rod and a third connecting rod;
the power element is fixedly connected with one end of the third rocker arm through the first driving shaft;
one end of the first connecting rod is connected with the first driving shaft, and the other end of the first connecting rod is connected with one end of the second connecting rod;
one end of the third connecting rod is connected with the other end of the second connecting rod, and the other end of the third connecting rod is connected with one end of the second driving shaft;
the other end of the second driving shaft is fixedly connected with one end of the other third rocker arm;
the first driving shaft is hinged to the first connecting rod, the first connecting rod is hinged to the second connecting rod, the second connecting rod is hinged to the third connecting rod, and the third connecting rod is hinged to the second driving shaft.
5. The walk steering device of claim 1, wherein:
the side guide wheels are arranged on the base frame, are respectively arranged on the left side and the right side of the base frame, are positioned between the free end of the first steering arm and the left end of the chassis and between the free end of the second steering arm and the right end of the chassis, and are used for guiding the inner side of the track.
6. The walk steering device of claim 5, wherein:
a buffer is arranged between the side guide wheel and the base frame, one end of the buffer is connected with the side guide wheel, and the other end of the buffer is connected with the base frame;
the buffer is any one of a hydraulic buffer, a spring, a rubber buffer and a pneumatic buffer or a combination of the hydraulic buffer, the spring, the rubber buffer and the pneumatic buffer.
7. The walk steering device according to claim 1, characterized in that:
the first steering arm is J-shaped and comprises a straight part and a bent part which are connected with each other;
the end part of the straight part is connected with the linkage element and is used for enabling the first steering arm to rotate around the advancing direction of the chassis;
the free end of the bent part is provided with a steering wheel;
the steering wheel is hung on the outer wall of the turnout to pull the chassis to steer when the chassis passes through the turnout;
the outer contour of the second steering arm is the same as the outer contour of the first steering arm.
8. The walk steering device according to claim 1, characterized in that:
the chassis is provided with a position sensor for detecting the positions of the first steering arm and the second steering arm;
the power element is any one of a motor, a hydraulic cylinder and a cylinder.
9. An intelligent PRT transportation rail car, comprising:
the walking steering device of any one of claims 1 to 8 and a car mounted on the walking steering device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021104930739 | 2021-05-06 | ||
| CN202110493073 | 2021-05-06 |
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| CN113212462A CN113212462A (en) | 2021-08-06 |
| CN113212462B true CN113212462B (en) | 2022-05-03 |
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|---|---|---|---|
| CN202110568416.3A Pending CN113525423A (en) | 2021-05-06 | 2021-05-24 | Truss straddle type intelligent PRT traffic track and railcar |
| CN202121123399.4U Active CN214775854U (en) | 2021-05-06 | 2021-05-24 | Truss straddle type intelligent PRT traffic track and railcar |
| CN202121446253.3U Active CN215971482U (en) | 2021-05-06 | 2021-06-28 | Overhead rail fixed turnout and PRT (railway track traffic track) |
| CN202110722148.6A Active CN113212462B (en) | 2021-05-06 | 2021-06-28 | Walking steering device and intelligent PRT (pre-stressed traffic track) vehicle |
| CN202121549045.6U Active CN215436391U (en) | 2021-05-06 | 2021-07-08 | Overhead rail intermediate connecting beam structure and PRT (primary reflection technology) traffic rail |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110568416.3A Pending CN113525423A (en) | 2021-05-06 | 2021-05-24 | Truss straddle type intelligent PRT traffic track and railcar |
| CN202121123399.4U Active CN214775854U (en) | 2021-05-06 | 2021-05-24 | Truss straddle type intelligent PRT traffic track and railcar |
| CN202121446253.3U Active CN215971482U (en) | 2021-05-06 | 2021-06-28 | Overhead rail fixed turnout and PRT (railway track traffic track) |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121549045.6U Active CN215436391U (en) | 2021-05-06 | 2021-07-08 | Overhead rail intermediate connecting beam structure and PRT (primary reflection technology) traffic rail |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114194221B (en) * | 2021-12-30 | 2023-06-02 | 江苏添仂智能科技有限公司 | PRT vehicle rapid track change system based on two-side guide mechanism |
| CN115257913B (en) * | 2022-06-16 | 2023-06-23 | 中车唐山机车车辆有限公司 | Forced guiding system of trolley bus and trolley bus |
| CN115071774B (en) * | 2022-07-14 | 2024-04-12 | 燕山大学 | Reverse steering and steering RGV drive angle module using gear drive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100588584C (en) * | 2008-03-26 | 2010-02-10 | 云南昆船设计研究院 | A kind of transition shuttle unit |
| CN203049376U (en) * | 2012-11-08 | 2013-07-10 | 于君 | Rail and special vehicle for same |
| CN108297882A (en) * | 2018-03-30 | 2018-07-20 | 中铁二院工程集团有限责任公司 | Overhead monorail active guider and bogie with active guider |
| CN209553177U (en) * | 2018-12-28 | 2019-10-29 | 江苏飞梭智行设备有限公司 | Rail-variable suspension type rail vehicle |
| CN110723168B (en) * | 2019-09-30 | 2023-08-18 | 江苏飞梭智行设备有限公司 | Translation rail transfer mechanism |
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2021
- 2021-05-24 CN CN202110568416.3A patent/CN113525423A/en active Pending
- 2021-05-24 CN CN202121123399.4U patent/CN214775854U/en active Active
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| CN214775854U (en) | 2021-11-19 |
| CN215436391U (en) | 2022-01-07 |
| CN113525423A (en) | 2021-10-22 |
| CN215971482U (en) | 2022-03-08 |
| CN113212462A (en) | 2021-08-06 |
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