CN210416119U

CN210416119U - Rail running assembly

Info

Publication number: CN210416119U
Application number: CN201921530380.4U
Authority: CN
Inventors: 王�华; 刘达; 黄文�; 雷茂庆; 曾建勇
Original assignee: Hubei China Rail Transit Research Institute Co Ltd; Hubei Guotie Intelligent Technology Co ltd
Current assignee: Hubei China Rail Transit Research Institute Co Ltd; Hubei Guotie Intelligent Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-28
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a rail transit technical field discloses a rail assembly that traveles, including the rail assembly, the rail assembly include the frame, rotate set up in go up the underframe of frame, articulate in preceding swing arm and back swing arm, the flexible hydro-cylinder of underframe, flexible hydro-cylinder both ends respectively with preceding swing arm back swing arm is articulated mutually, preceding swing arm with all be equipped with the wheel connection frame on the back swing arm, the wheel connection shelf location has the leading wheel. The utility model has the advantages of it is following and effect: the rail assembly is simple in structure and modular in design, can be conveniently disassembled and installed on a vehicle, the front swing arm and the rear swing arm are driven to rotate through the expansion and contraction of the telescopic oil cylinder to drive the guide wheels to lift, the vehicle can be rapidly switched between a highway running mode and a rail running mode, rescue and detection tools can be loaded on the vehicle, and urban rails can be efficiently and rapidly maintained, detected and rescued.

Description

Rail running assembly

Technical Field

The utility model relates to a rail transit technical field, in particular to rail assembly of traveling.

Background

With the acceleration of urbanization and motorization processes in China, urban rail transit with the characteristics of energy conservation, rapidness and large traffic volume is more popular among people. While urban rails are developed, the areas where the rails pass through are continuously increased, the terrain and the geology are more and more complex, and efficient maintenance, detection, rescue and the like of the rails become more and more important and urgent, so that a functional vehicle capable of running on the rails is needed to detect and rescue the rails and trains.

The dual-purpose device of rail on the domestic market at present modularization degree is low, inconvenient whole dismouting, just so can not realize the requirement of high-efficient work of function car. Under the condition, the applicant invents a rail running assembly which can be conveniently carried on a vehicle, so that the vehicle loaded with a rescue and detection tool can quickly run on the rail, and the maintenance, detection and rescue of the urban rail can be efficiently and quickly realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rail assembly of traveling has and installs the effect that makes the vehicle can travel on the vehicle, two kinds of mode fast switch-over of track traveling on the highway.

The above technical purpose of the present invention can be achieved by the following technical solutions: a rail running assembly comprises a rail assembly, wherein the rail assembly comprises an upper frame, a lower frame, a front swing arm, a rear swing arm and a telescopic oil cylinder, the lower frame is rotatably arranged on the upper frame, the front swing arm and the rear swing arm are hinged to the lower frame, two ends of the telescopic oil cylinder are respectively hinged to the front swing arm and the rear swing arm, wheel connecting frames are arranged on the front swing arm and the rear swing arm, and guide wheels are arranged on the wheel connecting frames.

By adopting the technical scheme, when the track running assembly is used, the upper frame in the track assembly is fixedly arranged on an axle of a vehicle, the telescopic oil cylinder contracts to drive the front swing arm and the rear swing arm to rotate downwards and drive the guide wheel to move downwards, the telescopic oil cylinder maintains pressure until the guide wheel is contacted with a rail and reaches a set pressure value, the steering wheel of the vehicle is locked, and the vehicle can run on the rail. The upper frame and the lower frame are rotatably arranged, so that the vehicle can run on a track in a curve.

When the telescopic oil cylinder extends, the front swing arm and the rear swing arm are driven to turn upwards, the guide wheels move upwards and are separated from the rails, the oil cylinder maintains pressure again, the rail assembly is hung on an axle of the vehicle, the vehicle can run on the road without being restricted by the rails, and the vehicle can be rapidly switched between a road running mode and a rail running mode.

The utility model discloses a further set up to: and a slewing bearing is arranged between the upper frame and the lower frame.

By adopting the technical scheme, the slewing bearing is arranged between the upper frame and the lower frame, so that the upper frame and the lower frame can rotate relatively.

The utility model discloses a further set up to: the rail assembly comprises two telescopic oil cylinders, and the two telescopic oil cylinders are distributed on two sides of the lower frame.

By adopting the technical scheme, the two telescopic oil cylinders are distributed on two sides of the lower frame, and the front swing arm and the rear swing arm are stressed more uniformly in the process of driving the front swing arm and the rear swing arm to move.

The utility model discloses a further set up to: the rail assembly includes four guide wheels.

The utility model discloses a further set up to: and the lower frame is provided with a limit switch.

By adopting the technical scheme, the front swing arm and the rear swing arm are driven to rotate upwards in the extending process of the telescopic oil cylinder, the front swing arm or the rear swing arm triggers the limit switch after the guide wheel is separated from the rail, and the limit switch controls the telescopic oil cylinder to maintain pressure through a circuit.

The utility model discloses a further set up to: and the lower frame is provided with an energy accumulator.

The utility model discloses a further set up to: the upper frame is provided with a threaded hole.

Through adopting above-mentioned technical scheme, go up the frame accessible bolt nut installation and fix on the axle of vehicle.

The utility model discloses a further set up to: including two rail assemblies.

By adopting the technical scheme, the two rail assemblies are respectively installed and fixed on the front axle and the rear axle of the vehicle.

The utility model has the advantages that: the rail assembly is simple in structure and modular in design, can be conveniently disassembled and installed on a vehicle, the front swing arm and the rear swing arm are driven to rotate through the expansion and contraction of the telescopic oil cylinder to drive the guide wheels to lift, the vehicle can be rapidly switched between a highway running mode and a rail running mode, rescue and detection tools can be loaded on the vehicle, and urban rails can be efficiently and rapidly maintained, detected and rescued.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of the state of the rail assembly when the telescopic cylinder contracts.

Fig. 2 is a schematic diagram of the state of the rail assembly when the telescopic cylinder is extended.

Fig. 3 is a schematic diagram of the position relationship among the wheel connecting frame, the rear swing arm, and the wheel of the present invention.

In the figure, 1, an upper frame; 2. a lower frame; 3. a slewing bearing; 4. a front swing arm; 5. a rear swing arm; 6. a telescopic oil cylinder; 7. a wheel connecting frame; 8. a guide wheel; 9. an accumulator.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): a rail running assembly comprises two rail assemblies as shown in figure 1, wherein each rail assembly comprises an upper frame 1, a lower frame 2, a front swing arm 4, a rear swing arm 5 and two telescopic oil cylinders 6, and a slewing bearing 3 is arranged between the upper frame 1 and the lower frame 2, so that the upper frame 1 and the lower frame 2 can rotate relatively. The front swing arm 4 and the rear swing arm 5 are both hinged on the lower frame 2, two telescopic oil cylinders 6 are distributed on two sides of the lower frame 2, one end of each telescopic oil cylinder 6 is hinged on the front swing arm 4, the other end of each telescopic oil cylinder 6 is hinged on the rear swing arm 5, and the telescopic oil cylinders 6 contract or stretch to drive the front swing arm 4 and the rear swing arm 5 to rotate.

As shown in fig. 2 and 3, the front swing arm 4 and the rear swing arm 5 are each fixedly provided with a wheel connecting frame 7, guide wheels 8 are mounted on the wheel connecting frame 7, and each rail assembly comprises four guide wheels 8. The lower frame 2 is provided with a limit switch (not shown in the figure) and an energy accumulator 9, and the limit switch (not shown in the figure) can control the telescopic oil cylinder 6 to maintain pressure through a line. The side wall of the upper frame 1 is provided with a threaded hole (not shown in the figure), and the upper frame can be installed and fixed on an axle of a vehicle through bolts and nuts.

When the rail running assembly is used, the two rail assemblies are respectively arranged on a front axle and a rear axle of a vehicle, and the upper frame 1 is fixed on the axles through bolts and nuts. The telescopic oil cylinder 6 contracts to drive the front swing arm 4 and the rear swing arm 5 to rotate downwards until the guide wheel 8 contacts with the rail and reaches a set pressure value, the telescopic oil cylinder 6 maintains pressure, the steering wheel of the vehicle is locked, and the vehicle can run on the rail. When the telescopic oil cylinder 6 is extended, the front swing arm 4 and the rear swing arm 5 are driven to rotate upwards, after the guide wheel 8 is separated from the rail, the front swing arm 4 or the rear swing arm 5 triggers the limit switch, the telescopic oil cylinder 6 maintains pressure again, the rail assembly is hung on an axle of the vehicle, and the vehicle can run on the road.

Claims

1. A rail travel assembly, comprising: the rail assembly comprises an upper frame (1), a lower frame (2) rotatably arranged on the upper frame (1), a front swing arm (4), a rear swing arm (5) and a telescopic oil cylinder (6), wherein the front swing arm and the rear swing arm (5) are hinged to the lower frame (2), two ends of the telescopic oil cylinder (6) are hinged to the front swing arm (4) and the rear swing arm (5) respectively, wheel connecting frames (7) are arranged on the front swing arm (4) and the rear swing arm (5), and guide wheels (8) are arranged on the wheel connecting frames (7).

2. A rail travel assembly according to claim 1, wherein: a slewing bearing (3) is arranged between the upper frame (1) and the lower frame (2).

3. A rail travel assembly according to claim 1, wherein: the rail assembly comprises two telescopic oil cylinders (6), and the two telescopic oil cylinders (6) are distributed on two sides of the lower frame (2).

4. A rail travel assembly according to claim 1, wherein: the rail assembly comprises four guide wheels (8).

5. A rail travel assembly according to claim 1, wherein: and a limit switch is arranged on the lower frame (2).

6. A rail travel assembly according to claim 1, wherein: and an energy accumulator (9) is arranged on the lower frame (2).

7. A rail travel assembly according to claim 1, wherein: the upper frame (1) is provided with a threaded hole.

8. A rail travel assembly according to claim 1, wherein: including two rail assemblies.