CN111021226A

CN111021226A - Movable overpass

Info

Publication number: CN111021226A
Application number: CN201911279971.3A
Authority: CN
Inventors: 翟力欣; 杨忠; 邵妍
Original assignee: Jinling Institute of Technology
Current assignee: Jinling Institute of Technology
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-04-17

Abstract

The invention discloses a movable overpass, which comprises an overpass body, a movable unit and a plurality of movable units, wherein the overpass body comprises a main bridge and an approach bridge hinged with the main bridge; the rotary driving unit is arranged between the bridge body and the moving unit and comprises a chassis and a plurality of rotary driving assemblies, the rotary driving assemblies are arranged on the chassis at intervals along the radial direction of the chassis, and the power output ends of the rotary driving assemblies are connected with the main bridge to drive the main bridge to rotate. The defect that in the prior art, when a match needing to occupy a road is held, pedestrians cannot normally pass through the road and can only be used again after the match is finished is overcome.

Description

Movable overpass

Technical Field

The invention relates to the technical field of transportation, in particular to a movable platform bridge.

Background

At present, road traffic is developed, the length of a feasible truck road is considerable, however, in recent years, as people live more and more colorful, with the holding of various large-scale activities, such as marathons, walking competition, bicycle competition and other sports events, long-time road occupation is needed when holding such competition, pedestrians cannot walk on the road or go to the other side of the road when the competition is in progress, particularly, roads without fixed overpasses or underground passages are only used again after the competition is finished, and therefore normal traffic of people can be seriously influenced.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that when a race requiring road occupation is held, pedestrians cannot normally pass through the road and can be recovered to use only after the race is finished, so as to provide a movable overpass.

A movable overpass comprises an overpass body, a movable unit and a plurality of movable units, wherein the overpass body comprises a main bridge and an approach bridge hinged with the main bridge, and the movable unit is provided with a placing area for placing the overpass body; the rotary driving unit is arranged between the bridge body and the moving unit and comprises a chassis and a plurality of rotary driving assemblies, the rotary driving assemblies are arranged on the chassis at intervals along the radial direction of the chassis, and the power output ends of the rotary driving assemblies are connected with the main bridge so as to drive the main bridge to rotate; the lifting driving units are respectively arranged at two sides of the rotating driving unit and comprise fixed disks and lifting driving components which are arranged in one-to-one correspondence to the fixed disks, and power output ends of the lifting driving components are connected with the main axle so as to drive the main axle to move up and down; the control unit comprises a controller and a power supply, and the controller is electrically connected with the power supply, the lifting driving assembly and the rotating driving assembly respectively.

As an improvement of the present invention, the rotary driving assembly includes a first driving member, a supporting rod, a rotary motor and a driving wheel, a power output end of the driving member is fixedly connected to the supporting rod, the supporting rod is a U-shaped supporting rod, the driving wheel is connected to the U-shaped supporting rod, and a power output shaft of the rotary motor is connected to the driving wheel to drive the driving wheel to rotate.

As a refinement of the invention, the first drive element is a hydraulic cylinder.

As an improvement of the present invention, the lifting driving assembly includes a second driving member, the second driving member is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is movably connected to the lower side surface of the main axle.

The hydraulic pump is electrically connected with the power supply to drive the rotation driving unit and the lifting driving unit to move, and the hydraulic oil tank is respectively communicated with the first driving piece and the second driving piece through oil pipes.

As a refinement of the invention, the mobile unit is a mobile vehicle.

The technical scheme of the invention has the following beneficial effects:

the movable overpass has simple structure and convenient transportation, when the overpass needs to be used, a bridge body is placed on a movable vehicle at a position corresponding to a lifting drive unit and a selection drive unit, then the movable vehicle carries the overpass to travel to a specified place, a position parallel to a road is set after the overpass is parked, a power supply is started to work, then a control unit controls hydraulic cylinders of second drive parts, the hydraulic cylinders of the second drive parts of a driving rotary drive assembly work simultaneously to prop up the bridge body, after the bridge body is propped up, a controller controls a rotary motor of the driving rotary assembly to move so as to realize the effect of driving the driving drive wheels to rotate for 90 degrees, further the whole bridge body is arranged on the half side of the road in a crossing manner, at the moment, a worker starts the hydraulic cylinder of a first drive part of the lifting drive assembly to move again, so that the hydraulic cylinder of the first driving piece raises the support rod to lift the whole bridge body to a preset height, and then after the telescopic rod of the hydraulic cylinder is retracted, the bridge body is separated from the mobile vehicle, at the moment, the mobile vehicle drives to other places, the staff puts down the approach bridge to the ground, the overbridge is symmetrically placed on the other side of the road, the butt joint of a pair of overbridges is realized, the overpass is communicated and spanned above the road, pedestrians can walk to the main bridge from one side of the road along the approach bridge and reach the other side of the road, the effect of not influencing the pedestrians to cross the road and not influencing the movement on the road below is realized, the structural design is ingenious, the bridge body can be stably lifted, and can not receive the restriction in place, the staff can be according to the position that needs were placed with this overline bridge nimble of specific demand condition, and the practicality is strong, helps promoting.

Drawings

FIG. 1 is a first general schematic diagram of the present application;

FIG. 2 is a second general schematic diagram of the present application;

description of reference numerals:

1. a bridge body; 11. a main bridge; 12. bridge approach; 2. a mobile unit; 21. a movable vehicle; 3. a rotation driving unit; 31. a chassis; 32. a rotary drive assembly; 321. a first driving member; 322. a support bar; 323. a rotating electric machine; 324. a drive wheel; 4. a lifting drive unit; 41. fixing the disc; 42. a lift drive assembly; 421. a second driving member; 5. a control unit; 52. a power source; 6. a hydraulic pump; 7. a hydraulic oil tank; 8. an oil pipe;

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

referring to fig. 1 and fig. 2, the mobile overpass provided in this embodiment includes an overpass 1, where the overpass 1 includes a main bridge 11 and an approach bridge 12 hinged to the main bridge 11, and further includes a mobile unit 2, where the mobile unit 2 is provided with a placement area for placing the overpass 1; the rotary driving unit 3 is arranged between the bridge body 1 and the moving unit 2, the rotary driving unit 3 comprises a chassis 31 and a plurality of rotary driving assemblies 32, each rotary driving assembly 32 is arranged on the chassis 31 at intervals along the radial direction of the chassis 31, and the power output ends of the rotary driving assemblies 32 are connected with the main bridge 11 so as to drive the main bridge 11 to rotate; the lifting driving units 4 are respectively arranged at two sides of the rotating driving unit 3, each lifting driving unit 4 comprises a fixed disc 41 and lifting driving assemblies 42 which are arranged corresponding to the fixed discs 41 one by one, and the power output ends of the lifting driving assemblies 42 are connected with the main axle 11 so as to drive the main axle 11 to move up and down; a control unit 5, wherein the control unit 5 comprises a controller (not shown in the figures) and a power source 52, and the controller is electrically connected to the power source 52 and the lifting driving assembly 42 and the rotating driving assembly 32 respectively. Specifically, the rotary driving assemblies 32 may be set to 8 groups to provide stable power, and may also be set to 10 groups to be placed on the chassis 31; the controller may be an MCU controller or a PLC controller or other controller, and may control the hydraulic pump 6, and the power source 52 may be a common battery, and may be a plurality of batteries disposed on the mobile unit 2 to meet the use requirement.

In this embodiment, the rotary driving assembly 32 includes a first driving member 321, a supporting rod 322, a rotary motor 323, and a driving wheel 324, a power output end of the driving member is fixedly connected to the supporting rod 322, the supporting rod 322 is a U-shaped supporting rod 322, the driving wheel 324 is connected to the U-shaped supporting rod 322, and a power output shaft of the rotary motor 323 is connected to the driving wheel 324 to drive the driving wheel 324 to rotate. The rotating motor 323 is a common motor, the control method of the rotating motor 323 is not described herein, and when the rotating motor 323 is used, the surface of the driving wheel 324 is in close contact with the lower surface of the main axle 11, a groove adapted to the driving wheel 324 may be formed in the lower surface of the main axle 11, the driving wheel 324 is placed in the groove, and then the rotating motor 323 is started to move the driving wheel 324, and the rotation angle of the driving wheel 324 is controlled by controlling the rotational displacement of the rotating motor 323.

In this embodiment, the first driving member 321 is a hydraulic cylinder.

In this embodiment, the lifting driving assembly 42 includes a second driving member 421, the second driving member 421 is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is movably connected to the lower side surface of the main axle 11. Specifically, the number of the second driving members 421 may be 4, and two driving members are arranged on two sides of the chassis 31 in a group.

In this embodiment, the hydraulic drive device further includes a hydraulic pump 6 and a hydraulic oil tank 7, the hydraulic pump 6 is electrically connected to the power source 52 to drive the rotation driving unit 3 and the lifting driving unit 4 to move, and the hydraulic oil tank 7 is respectively communicated with the first driving member 321 and the second driving member 421 through an oil pipe 8.

In the present embodiment, the mobile unit 2 is a movable vehicle 21.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made according to the technical spirit of the present invention are within the scope of the present invention as claimed.

Claims

1. A mobile platform bridge is characterized in that: comprises a bridge body, the bridge body comprises a main bridge and a bridge approach hinged with the main bridge, and also comprises

The mobile unit is provided with a placing area for placing the bridge body;

the rotary driving unit is arranged between the bridge body and the moving unit and comprises a chassis and a plurality of rotary driving assemblies, the rotary driving assemblies are arranged on the chassis at intervals along the radial direction of the chassis, and the power output ends of the rotary driving assemblies are connected with the main bridge so as to drive the main bridge to rotate;

the lifting driving units are respectively arranged at two sides of the rotating driving unit and comprise fixed disks and lifting driving components which are arranged in one-to-one correspondence to the fixed disks, and power output ends of the lifting driving components are connected with the main axle so as to drive the main axle to move up and down;

the control unit comprises a controller and a power supply, and the controller is electrically connected with the power supply, the lifting driving assembly and the rotating driving assembly respectively.

2. A mobile overpass according to claim 1, wherein: the rotary driving assembly comprises a first driving piece, a supporting rod, a rotary motor and a driving wheel, the power output end of the driving piece is fixedly connected with the supporting rod, the supporting rod is arranged to be a U-shaped supporting rod, the driving wheel is connected with the U-shaped supporting rod, and the power output shaft of the rotary motor is connected with the driving wheel to drive the driving wheel to rotate.

3. A mobile overpass according to claim 2, wherein: the first driving piece is a hydraulic cylinder.

4. A mobile overpass according to claim 3, wherein: the lifting driving assembly comprises a second driving piece, the second driving piece is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is movably connected with the lower side face of the main bridge.

5. A mobile overpass according to claim 4, wherein: still include hydraulic pump and hydraulic tank, the hydraulic pump with power electric connection, in order to drive rotatory drive unit with the lift drive unit motion, hydraulic tank with first driving piece with the second driving piece is respectively through oil pipe intercommunication.

6. A mobile overpass according to any one of claims 1-5, wherein: the mobile unit is a movable vehicle.