CN209176801U - Draw transportation system - Google Patents

Draw transportation system Download PDF

Info

Publication number
CN209176801U
CN209176801U CN201822106027.5U CN201822106027U CN209176801U CN 209176801 U CN209176801 U CN 209176801U CN 201822106027 U CN201822106027 U CN 201822106027U CN 209176801 U CN209176801 U CN 209176801U
Authority
CN
China
Prior art keywords
driving
semitrailer
wheel
driving wheel
power
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.)
Active
Application number
CN201822106027.5U
Other languages
Chinese (zh)
Inventor
柴天
王永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Intelligent Driving Research Institute Co Ltd
Original Assignee
Changsha Intelligent Driving Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changsha Intelligent Driving Research Institute Co Ltd filed Critical Changsha Intelligent Driving Research Institute Co Ltd
Priority to CN201822106027.5U priority Critical patent/CN209176801U/en
Application granted granted Critical
Publication of CN209176801U publication Critical patent/CN209176801U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

This application involves a kind of traction transportation system, including non-fuel power semitrailer and non-powered carry drag platform, are arranged towing pin on non-fuel power semitrailer, non-powered carrying drag platform include vehicle frame, mobile devices, brake apparatus and with the matched saddle of towing pin;Vehicle frame is fixedly connected with mobile devices and saddle respectively, and brake apparatus connects mobile devices, and towing pin is detachably connected with saddle.It is serious there is no making traction element lead to the problem of larger oil consumption, blowdown because running at a low speed using the application, so that transporting more economical environmental protection.

Description

Draw transportation system
Technical field
This application involves technical field of vehicle transport, more particularly to a kind of traction transportation system.
Background technique
Semitrailer is usually used in cargo transport.Currently, inside transshipment cargo when, usually tractor and semitrailer cooperation make With by tractor traction semitrailer transshipment cargo inside.
However, tractor draws semitrailer when driving inside, generally requires limitation speed since place limits, keep Lower speed traveling.The travel speed of tractor be easy to cause that oil consumption is big, blowdown is tight not within the scope of optimal economic oil consumption Weight.
Utility model content
Based on this, it is necessary to which, for traditional traction transport problem that oil consumption is big, blowdown is serious, providing one kind makes transport more Economic and environment-friendly traction transportation system.
A kind of traction transportation system, comprising: carry drag platform, the non-fuel oil including non-fuel power semitrailer and non-powered Towing pin is set on power semitrailer, and the non-powered carrying drag platform includes vehicle frame, mobile devices, brake apparatus and leads with described Draw the matched saddle of pin;
The vehicle frame is fixedly connected with the mobile devices and the saddle respectively, and the brake apparatus connects the traveling Device, the towing pin are detachably connected with the saddle.
Above-mentioned traction transportation system carries drag platform using the non-powered for including vehicle frame, mobile devices and brake apparatus, in vehicle The matched saddle of towing pin for being fixedly installed on frame and being arranged on non-fuel power semitrailer, it is detachable with saddle by towing pin Formula connection, so that non-powered carrying drag platform and the non-detachable combination of fuel power semitrailer.That is, when towing pin is connect with saddle When, non-powered carrying drag platform connect with non-fuel power semitrailer, non-powered carry drag platform can lead, non-fuel power partly Trailer can drive non-powered carrying drag platform traveling, so that traction transportation system has basic cargo transport function.Compared to biography System is in such a way that fuel oil tractor is drawn, and non-powered carrying drag platform does not need fuel oil, and there is no make because running at a low speed It is serious that traction element leads to the problem of larger oil consumption, blowdown, and has dynamic non-fuel power semitrailer and consumption is also not present Oily problem, so that transporting more economical environmental protection.In addition, when being applied to transport in field, since place is smaller in field, if according to tradition In such a way that fuel oil tractor is drawn, power is arranged in the front of traction transportation system, using the method for drawing, when leading After drawing vehicle turning, since semitrailer part is long, it is easy to appear semitrailer and turns situation not in place.And the application is using non- Power carries drag platform and draws non-fuel power semitrailer, and power is arranged at rear, is turned in a pushing manner, and non-powered carrying is dragged Platform does not need the driver's cabin of setting traction, and length can shorten, so as to shorten the total length of entire traction transportation system, And then can reduce the turning radius of entire traction transportation system, it is more advantageous to small space inside and is turned to, it is ensured that is suitable Benefit turning.
Detailed description of the invention
Fig. 1 is the main view that transportation system is drawn in one embodiment;
Fig. 2 is the top view that transportation system is drawn in one embodiment;
Fig. 3 is the main view that non-powered carries drag platform in one embodiment;
Fig. 4 is the top view that non-powered carries drag platform in one embodiment;
Fig. 5 is the main view of non-fuel power semitrailer in one embodiment;
Fig. 6 is the top view of non-fuel power semitrailer in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not For limiting the application.
Referring to figs. 1 to Fig. 4, this application provides a kind of traction transportation system, it is applied especially to transport in field.Traction transport System includes non-powered carrying drag platform 10 and non-fuel power semitrailer 20, and towing pin is arranged on non-fuel power semitrailer 20, Non-powered carry drag platform 10 include vehicle frame 110, mobile devices 120, brake apparatus 130 and with the matched saddle 140 of towing pin.Vehicle Frame 110 is fixedly connected with mobile devices 120 and saddle 140 respectively, and brake apparatus 130 connects mobile devices 120, towing pin and saddle Seat 140 is detachably connected.
Vehicle frame 110 is for fixing mobile devices 120 and saddle 140.Wherein, mobile devices 120 be can be in driving effect Lower movement specifically includes wheel to the device for travelling non-powered carrying drag platform 10.Brake apparatus 130 is for giving traveling dress The device of 120 offer brake force is provided.Saddle 140 is used to be detachably connected with the towing pin of non-fuel power semitrailer 20, thus So that non-powered carrying drag platform 10 is detachably connected with non-fuel power semitrailer 20.Non- fuel power semitrailer 20 is using non- The semitrailer of the power source of fuel oil, such as can be using being driven by electricity, it does not need using fuel oil, economy and the feature of environmental protection are good.
Non- fuel power semitrailer 20 is used to provide the driving force forward or backward on basis, so that non-powered be driven to carry Drag platform 10 travels;Non-powered carrying drag platform 10 is used to draw the Main way control of transportation system.When non-fuel power semitrailer 20 with non-powered carrying drag platform 10 connected by towing pin and saddle 140 when, mentioned by non-fuel power semitrailer 20 For driving force, non-powered carrying drag platform 10 can be driven to travel;It, can be with by adjusting the deflection direction of non-powered carrying drag platform 10 Non- fuel power semitrailer 20 is driven to be deflected.
Specifically, saddle 140 and traction pin connection when, for be flexibly connected, that is, saddle 140 and traction pin connection after, saddle 140 can change with the relative position of towing pin.For example, towing pin can turn an angle around saddle 140, so as to allow It rotates by a certain angle between non-powered carrying drag platform 10 and non-fuel power semitrailer 20 and is unlikely to be detached from.
Above-mentioned traction transportation system is carried using the non-powered for including vehicle frame 110, mobile devices 120 and brake apparatus 130 Drag platform 10, be fixedly installed on vehicle frame 110 with the matched saddle 140 of towing pin that is arranged on non-fuel power semitrailer 20, lead to Towing pin and 140 detachable connection of saddle are crossed, so that non-powered carrying drag platform 10 and non-fuel power semitrailer 20 are detachable Formula combination.That is, non-powered carries drag platform 10 and the connection of non-fuel power semitrailer 20, non-when towing pin is connect with saddle 140 Power carry drag platform 10 can lead, non-fuel power semitrailer 20 can drive non-powered carrying drag platform 10 travel so that leading Draw transportation system and has basic cargo transport function.It is non-dynamic compared to the mode that conventionally employed fuel oil tractor is drawn Power carrying drag platform 10 does not need fuel oil, and there is no generating traction element because running at a low speed, larger oil consumption, blowdown is serious asks Topic, and have dynamic non-fuel power semitrailer 20 and oil consumption problem is also not present, so that transporting more economical environmental protection.In addition, When applied to being transported in field, since place is smaller in field, if in such a way that conventionally employed fuel oil tractor is drawn, it will The front of traction transportation system is arranged in power, using the method for drawing, after tractor turning, since semitrailer part is compared It is long, it is easy to appear semitrailer and turns situation not in place.And the application draws non-fuel power using non-powered carrying drag platform 10 Power is arranged at rear, turns in a pushing manner by semitrailer 20, and non-powered carrying drag platform 10 does not need driving for setting traction Room is sailed, length can shorten, and so as to shorten the total length of entire traction transportation system, and then can reduce entire traction fortune The turning radius of defeated system is more advantageous to small space inside and is turned to, it is ensured that smoothly turning.
In one embodiment, the side that vehicle frame 110 deviates from ground is arranged in saddle 140, and towing pin is arranged in non-fuel oil Side of the power semitrailer 20 towards ground.In this way, towing pin is vertically connected with saddle 140, thus when towing pin and saddle 140 When connection, in junction, non-powered carrying drag platform 10 undertakes the load that non-fuel power semitrailer 20 is transmitted in vertical direction Loading power, thus stable connection.
In one embodiment, above-mentioned traction transportation system further includes control device (not shown), control device and braking Device 130 and the communication connection of non-fuel power semitrailer 20.
Specifically, brake apparatus 130 and non-fuel power semitrailer 20 can be sent a command to using control device, operated It is convenient.Drive regulating command to non-fuel oil for example, control device sends braking regulating command to brake apparatus 130, and/or transmission Power semitrailer 20.Brake apparatus 130 adjusts the brake force of output, non-fuel power semitrailer 20 according to braking regulating command Driving force is adjusted according to driving regulating command.
Driving force (the non-fuel oil in the same direction of driving direction suffered by the brake force and mobile devices 120 that brake apparatus 130 exports Power semitrailer 20 provide) be it is reversed, can make mobile devices 120 slow down.Therefore, it is exported by adjusting brake apparatus 130 Brake force, the speed of adjustable non-powered carrying drag platform 10.The driving force of non-fuel power semitrailer 20 will affect non-fuel oil Therefore the travel speed of power semitrailer 20 adjusts the driving force of non-fuel power semitrailer 20, non-fuel power half is adjusted The travel speed of trailer 20.
In one embodiment, control device and brake apparatus 130 and non-fuel power semitrailer 20 wirelessly communicate.Such as This, is not necessarily to connection communication line between control device and brake apparatus 130 and non-fuel power semitrailer 20, use is more flexible.It can To understand, in other embodiments, control device can also pass through communication line and brake apparatus 130 and non-fuel power semitrailer 20 connections.
In one embodiment, with reference to Fig. 4, mobile devices 120 include axle 121 and left wheel corresponding with axle 121 122 and right wheel 123, axle 121 is fixed on vehicle frame 110 to be installed respectively towards ground side, left wheel 122 and right wheel 123 In the opposite end of corresponding axle 121.
Brake apparatus 130 can be mounted to axle 121.Specifically, the extending direction of axle 121 and left wheel 122 and The direction of right 123 straight-line travelling of wheel is vertical.Axle 121 and the corresponding relationship of left wheel 122 and right wheel 123 are: a vehicle Axis 121 is correspondingly arranged at least one left wheel 122 and at least one right wheel 123, that is, the both ends difference of an axle 121 is each At least one wheel is set.At least one left wheel 122 and at least one right wheel are correspondingly arranged by using an axle 121 The two sides of 123 structure, vehicle frame 110 have wheel to be supported, driving stability.Specifically, mobile devices 120 include at least one A axle 121.For example, mobile devices 120 include 2 axles 121 as in Fig. 4, travel more stable.
Further, brake apparatus 130 includes brake monitor and is installed on axle 121 and connects brake monitor First arrestment mechanism (not shown) and the second arrestment mechanism (not shown), brake monitor connect control device.First brake Structure is used to export brake force to left wheel 122, and the second arrestment mechanism is used to export brake force to right wheel 123.By giving left vehicle Wheel 122 and right wheel 123 arrestment mechanism is respectively configured, can be controlled separately the first arrestment mechanism and the second arrestment mechanism output Brake force, to control resistance suffered by left wheel 122 and right wheel 123 respectively, manipulation is more convenient.
In one embodiment, with reference to Fig. 5 and Fig. 6, non-fuel power semitrailer 20 includes that (figure is not for non-fuel oil driving device Show), semitrailer vehicle body 220, driving vehicle bridge 230, left driving wheel 240 and right driving wheel 250, towing pin 210 be set to semitrailer Vehicle body 220, driving vehicle bridge 230 are fixed on semitrailer vehicle body 220 and divide towards ground side, left driving wheel 240 and right driving wheel 250 It is not installed on the opposite end of driving vehicle bridge 230.Non- fuel oil driving device connection left driving wheel 240, right driving wheel 250 and control Device, for outputting driving force to left driving wheel 240 and right driving wheel 250.
Semitrailer vehicle body 220 is the component for loading cargo.Specifically, towing pin 210 is set to semitrailer vehicle body 220 Towards the side on ground.Specifically, the extending direction and 250 straight-line travelling of left driving wheel 240 and right driving wheel of vehicle bridge 230 are driven Direction it is vertical.Driving vehicle bridge 230 and the corresponding relationship of left driving wheel 240 and right driving wheel 250 are: a driving vehicle bridge 230 It is correspondingly arranged at least one left driving wheel 240 and at least one right driving wheel 250, that is, the both ends difference of a driving vehicle bridge 230 At least one wheel is respectively set.Non- fuel oil driving device has for giving left driving wheel 240 and right driving wheel 250 output driving power Body, the driving regulating command that non-fuel oil driving device receiving control device is sent is to adjust the driving force of output.
By the way that driving vehicle bridge 230 is arranged towards ground side in semitrailer vehicle body 220, a left side is connected using driving vehicle bridge 230 Driving wheel 240 connects left driving wheel 240, right driving wheel 250 and control device with right driving wheel 250, non-fuel oil driving device, non- Fuel oil driving device provides power, can drive left driving wheel 240 and right driving wheel 250, realize non-fuel power semitrailer 20 From driving, travel non-fuel power semitrailer 20 and provide driving force to the non-powered of connection carrying drag platform 10.
In one embodiment, with continued reference to Fig. 5, non-fuel power semitrailer 20 further include can folding and unfolding supporting leg 260, can receive It puts supporting leg 260 and is fixedly installed in side of the semitrailer vehicle body 220 towards ground.Can 260 one end of folding and unfolding supporting leg be fixedly installed in half Trailer body 220, the other end can adjust at a distance from ground.For example, can folding and unfolding supporting leg 260 be telescope support or be bent Bracket.Can folding and unfolding supporting leg 260 there are two types of state: collapsed state and release state.When can folding and unfolding supporting leg 260 be in collapsed state When, can folding and unfolding supporting leg 260 the other end and ground it is non-contact;When can folding and unfolding supporting leg 260 be in releasing state when, can folding and unfolding supporting leg 260 other end and ground face contact, to provide support force to semitrailer vehicle body 220.In this way, using flexible, and can be improved non- The stability that fuel power semitrailer 20 is parked.For example, staff can when non-fuel power semitrailer 20 does not need when driving Can folding and unfolding supporting leg 260 be placed on releasing state;Before non-fuel power semitrailer 20 traveling, staff can folding and unfolding Supporting leg 260 is placed on collapsed state.
It is appreciated that non-fuel power semitrailer 20 can also include other assemblies.For example, with reference to Fig. 6, non-fuel power Semitrailer 20 can also include driven vehicle bridge, left driven wheel 270 and right driven wheel 280.Driven vehicle bridge, left driven wheel 270 and the right side The quantity of driven wheel 280 can have multiple, and a driven vehicle bridge is correspondingly arranged at least one left driven wheel 270 and at least one is right Driven wheel 280.
In one embodiment, non-fuel oil driving device includes power battery, electric machine controller and concentrates driving motor, is moved Power battery and electric machine controller are set to semitrailer vehicle body 220, and centralized driving motor is set to driving vehicle bridge 230.Motor control Device connects power battery, centralized driving motor and control device, and centralized driving motor connects left driving wheel 240 and right driving wheel 250, for exporting identical driving force to left driving wheel 240 and right driving wheel 250.
Power battery is for providing electric energy, and centralized driving motor is for driving left driving wheel 240 and right driving wheel 250.Electricity Electric energy needed for the electric energy that power battery stores is converted to centralized driving motor by machine controller, specifically controllable centralized driving is electric The driving force of machine output.Specifically, a driving vehicle bridge 230 is correspondingly arranged a driving motor, that is, a driving vehicle bridge 230 On left driving wheel 240 and right driving wheel 250 driven by a unified driving motor, using a power source.In this way, Centralized driving can be achieved, left driving wheel 240 is identical with driving force suffered by right driving wheel 250.
In another embodiment, non-fuel oil driving device include power battery, electric machine controller, the first driving motor and Second driving motor, power battery and electric machine controller are set to semitrailer vehicle body 220, the first driving motor and the second driving electricity Machine is set to driving vehicle bridge 230.Electric machine controller connects power battery, the first driving motor, the second driving motor and control dress It sets, the first driving motor connects left driving wheel 240, and the second driving motor connects right driving wheel 250.
In the present embodiment, a driving vehicle bridge 230 is correspondingly arranged two driving motors, that is, in a driving vehicle bridge 230 Left driving wheel 240 and right driving wheel 250 are driven by different driving motors respectively.So, it can be achieved that Direct wheel drives, i.e., in fact Existing distributed driving, can control driving force suffered by left driving wheel 240 and right driving wheel 250 respectively, and flexibility is high.Specifically, The quantity of electric machine controller can be one, that is, connect the first driving motor and the second driving electricity by the same electric machine controller Machine.The quantity of electric machine controller is also possible to two, and first electric machine controller connects the first driving motor, second motor control Device processed connects the second driving motor, in this way, two driving motors are separately controlled.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of this application, various modifications and improvements can be made, these belong to the application's Protection scope.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (7)

1. a kind of traction transportation system characterized by comprising drag platform is carried including non-fuel power semitrailer and non-powered, Towing pin is set on the non-fuel power semitrailer, and the non-powered carrying drag platform includes vehicle frame, mobile devices, brake apparatus With with the matched saddle of the towing pin;
The vehicle frame is fixedly connected with the mobile devices and the saddle respectively, and the brake apparatus connects the traveling dress It sets, the towing pin is detachably connected with the saddle.
2. traction transportation system according to claim 1, which is characterized in that it further include control device, the control device It is communicated to connect with the brake apparatus and the non-fuel power semitrailer.
3. traction transportation system according to claim 2, which is characterized in that the mobile devices include axle and with it is described The corresponding left wheel and right wheel of axle, the axle are fixed on the vehicle frame towards ground side, the left wheel and described Right wheel is respectively arranged in the opposite end of corresponding axle;
The brake apparatus includes brake monitor and the first system for being installed on the axle and the connection brake monitor Motivation structure and the second arrestment mechanism, the brake monitor connect the control device;First arrestment mechanism is used for institute Left wheel output brake force is stated, second arrestment mechanism is used to export brake force to the right wheel.
4. traction transportation system according to claim 2, which is characterized in that the non-fuel power semitrailer includes non-combustible Oily driving device, semitrailer vehicle body, driving vehicle bridge, left driving wheel and right driving wheel, the towing pin are set to the semitrailer Vehicle body, the driving vehicle bridge are fixed on the semitrailer vehicle body towards ground side, the left driving wheel and the right driving wheel It is respectively arranged in the opposite end of the driving vehicle bridge;The non-fuel oil driving device connects the left driving wheel, the right drive Driving wheel and the control device, for outputting driving force to the left driving wheel and the right driving wheel.
5. traction transportation system according to claim 4, which is characterized in that the non-fuel oil driving device includes power electric Pond, electric machine controller and concentration driving motor, the power battery and the electric machine controller are set to the semitrailer vehicle body, The centralized driving motor is set to the driving vehicle bridge;
The electric machine controller connects the power battery, the centralized driving motor and the control device, and the concentration is driven Dynamic motor connects the left driving wheel and the right driving wheel, for exporting identical driving force to the left driving wheel and described Right driving wheel.
6. traction transportation system according to claim 4, which is characterized in that the non-fuel oil driving device includes power electric Pond, electric machine controller, the first driving motor and the second driving motor, the power battery and the electric machine controller are set to institute Semitrailer vehicle body is stated, first driving motor and second driving motor are set to the driving vehicle bridge;
The electric machine controller connects the power battery, first driving motor, second driving motor and the control Device processed, first driving motor connect the left driving wheel, and second driving motor connects the right driving wheel.
7. traction transportation system according to claim 4, which is characterized in that the non-fuel power semitrailer further includes can Folding and unfolding supporting leg, it is described can folding and unfolding supporting leg be fixedly installed in side of the semitrailer vehicle body towards ground.
CN201822106027.5U 2018-12-14 2018-12-14 Draw transportation system Active CN209176801U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822106027.5U CN209176801U (en) 2018-12-14 2018-12-14 Draw transportation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822106027.5U CN209176801U (en) 2018-12-14 2018-12-14 Draw transportation system

Publications (1)

Publication Number Publication Date
CN209176801U true CN209176801U (en) 2019-07-30

Family

ID=67376799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822106027.5U Active CN209176801U (en) 2018-12-14 2018-12-14 Draw transportation system

Country Status (1)

Country Link
CN (1) CN209176801U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115432084A (en) * 2021-06-04 2022-12-06 丰田自动车株式会社 Moving body system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115432084A (en) * 2021-06-04 2022-12-06 丰田自动车株式会社 Moving body system
CN115432084B (en) * 2021-06-04 2024-04-30 丰田自动车株式会社 Mobile body system

Similar Documents

Publication Publication Date Title
CN105235758B (en) The rubber tire low-floor intelligent track train that a kind of power decentralized type track follows
CN105150862A (en) Electric tourist car
CN104015819B (en) Auxiliary driving module vehicle and transport vehicle with same
US20160303933A1 (en) System, method and apparatus for increasing the tractive effort of a vehicle
CN101786468A (en) Steering device and chassis
US11845360B2 (en) Battery charging by towed regenerative braking
CN203753273U (en) Four-wheel steering horizontal trailer
CN209176801U (en) Draw transportation system
CN106043733A (en) Traction system used for traction of aircraft
US11331971B2 (en) Dual mode vehicle that operates on both guided rails and unguided roadways
CN110001554A (en) A kind of trailer can active steering, driving, the towed vehicle of braking and its control method
CN104417634B (en) Pure electric vehicle tractor and the vehicle suitable for being transported in field
CN207392849U (en) Intelligent garage flat bed automatically adjusts the floor truck of wheelspan
CN108749823B (en) Cableway self-propelled conveying equipment
CN108116493A (en) Turn to drive module and corresponding vehicle
CN204488842U (en) A kind of with track transtainer
US20200130759A1 (en) Tugger Train Trailer for a Tugger Train
CN204037419U (en) A kind of steel plate transport car
CN205365779U (en) Rubber tyer low -floor intelligence rail train that power decentralized type orbit was followed
CN111319692B (en) Traction transport system
WO2022247451A1 (en) Rail transit system provided with driver and cars arranged on different tracks
CN205220400U (en) Electronic sight -seeing bus
CN103832509B (en) A kind of flat trailer of four-wheel steering
CN214728783U (en) Rail vehicle transfer device
CN205499048U (en) With orbit traction lever trailer train

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant