CN110862018A

CN110862018A - Rail laying crane with track and road dual-purpose walking function

Info

Publication number: CN110862018A
Application number: CN201911094355.0A
Authority: CN
Inventors: 郑海; 王占领; 刘枫; 梁卫; 郭伟杰; 刘国栋
Original assignee: Henan Weihua Special Vehicle Co Ltd
Current assignee: Henan Weihua Special Vehicle Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-03-06

Abstract

The invention discloses a track-laying crane with a track and road dual-purpose traveling function, which comprises a cross beam, a tire traveling mechanism arranged below the cross beam, portal frames arranged on the cross beam and vertically moved up and down through a lifting oil cylinder, a movable beam capable of horizontally moving between the portal frames, a lifting appliance arranged below the movable beam and vertically lifted up and down through a lifting mechanism, a tire steering mechanism for rotating the tire traveling mechanism, a track changing mechanism matched with the tire steering mechanism for adjusting span, and a track supporting leg capable of turning and a track wheel traveling mechanism arranged at the end part of the track supporting leg, wherein the tire traveling mechanism is arranged below the cross beam. When the track wheel travelling mechanism supports, the rail transfer mechanism is directly started to transfer rails, and when the tire travelling mechanism supports, the tire travelling mechanism is turned by 90 degrees through the tire turning mechanism and then the rail transfer mechanism is started to transfer rails, so that the rail transfer operation can be realized at any time.

Description

Rail laying crane with track and road dual-purpose walking function

Technical Field

The invention relates to the technical field of railway construction equipment, in particular to a track-laying crane with a track and road dual-purpose walking function.

Background

When the tunnel is paved, the whole tunnel is expected to have small volume, strong carrying capacity and high centering precision due to space limitation. In the initial stage of construction, in order to lay the rail, often erect and lay the auxiliary rail and be used for the walking of track-laying hoist, lay the auxiliary rail and not only increase the construction process, and the wheel is pressed greatly, has the destruction effect to the tunnel aspect, and the walking speed is also slow. The pure tire type track laying crane has high requirements on the walking ground, so that the track laying crane capable of running on a rail and a tire is required to improve the working efficiency.

The patent of the invention with the granted application number of 201610642386.5 discloses a track-mounted and wheel-mounted combined type tunnel track-laying crane and a construction method, wherein the construction method comprises the following steps: rail line wheelset (1), wheel line wheelset (2), wherein: the top end of the rail travelling wheel set (1) is movably provided with a connecting beam (5), and two ends of the connecting beam (5) are provided with wheel travelling wheel sets (2) with adjustable supporting angles; before entering the section of the tunnel, the crane is supported by the rail-mounted wheel set, then the height of the wheel-mounted supporting legs is adjusted, and the span of the whole machine is adjusted through the connecting beam; the whole machine is driven into the section of the tunnel, and the supporting angle of the wheel row wheel set is adjusted, so that the tire is positively pressed on the duct piece, and the wheel row wheel set is supported and stressed; adjusting the height of the rail-mounted supporting leg to separate the rail-mounted wheel set from the rail; the crane is driven by the wheel-line wheel group to travel in the tunnel duct piece.

The disadvantages are as follows: (1) the wheel-driving wheel set can only adjust the supporting angle and cannot horizontally steer, so that when the span of the whole machine is adjusted, the whole machine can only be supported by the rail-driving wheel set; (2) when the track laying crane is in construction, a vehicle needs to pass below the track laying crane, and the track traveling wheel set cannot allow the vehicle to pass through.

Disclosure of Invention

The invention aims to provide a track-laying crane with a track and road dual-purpose walking function, so as to solve the problems. The invention adopts the following technical scheme:

the utility model provides a rail-laying hoist with dual-purpose walking function of track and road, includes the crossbeam, install the tire running gear of crossbeam below, install on the crossbeam through the portal of lift cylinder vertical movement from top to bottom, can be between the portal horizontal migration's walking beam, and install the hoist of vertical movement from top to bottom through hoisting mechanism in the walking beam below, still include the tire steering mechanism that makes tire running gear rotatory and use the derailment of a track mechanism who adjusts the span with the cooperation of tire steering mechanism, install the track landing leg that can overturn and install the rail wheel running gear at track landing leg tip on the walking beam.

Further, the track landing leg includes fixed leg and track landing leg hydro-cylinder, the one end of track landing leg hydro-cylinder articulates on fixed leg, and on the other end articulated connection was connected to the walking beam, fixed leg below sliding connection had movable landing leg, and fixed leg and movable landing leg's inner chamber were equipped with telescopic cylinder, realized stretching out and withdrawing the operation of movable landing leg through telescopic cylinder, movable landing leg bottom fixedly connected with rail wheel running gear.

Furthermore, the rail wheel travelling mechanism comprises a rail wheel support fixedly connected to the bottom of the movable supporting leg, a rail wheel rotatably connected with the rail wheel support and a rail wheel motor driving the rail wheel to rotate.

Furthermore, the number of the movable beams is three, the movable beams on the two sides are provided with track supporting legs, and a lifting appliance is hung below the middle movable beam.

Furthermore, the tire steering mechanism comprises a hydraulic steering device, a lock pin frame and a limit stop block which are arranged at the bottom of the cross beam, and further comprises a flange and a flange which are fixedly connected to the top of the tire travelling mechanism, wherein the lock pin frame and the flange are matched for use, and the limit stop block and the flange are matched for use; the side wall of the cross beam is also fixedly connected with a lock pin flange, and a lock pin matched with the lock pin frame and the flange is inserted into the lock pin flange.

Furthermore, the rail transfer mechanism comprises a rail transfer oil cylinder and a fixed beam fixedly connected to the door frames on the two sides, the two ends of the movable beam are connected with the fixed beams on the two sides in a sliding mode, one end of the rail transfer oil cylinder is hinged to the fixed beam, and the other end of the rail transfer oil cylinder is hinged to the movable beam.

Furthermore, the travelling mechanism comprises a wheel carrier, a tyre rotationally connected to the wheel carrier through a wheel axle and a tyre motor fixedly mounted on the wheel carrier, wherein an output shaft of the tyre motor is connected with the wheel axle through a chain transmission device.

Furthermore, the hoisting mechanism is two electric hoists which are respectively arranged on the left side beam and the right side beam, the end part of a steel wire rope of the electric hoist is connected with the lifting appliance, and the lifting appliance vertically moves up and down through the electric hoist.

The invention has the following beneficial effects:

1. when the track wheel travelling mechanism supports, the rail transfer mechanism is directly started to transfer rails, and when the tire travelling mechanism supports, the tire travelling mechanism is turned by 90 degrees through the tire turning mechanism and then the rail transfer mechanism is started to transfer rails, so that the rail transfer operation can be realized at any time.

2. The track support leg disclosed by the invention is turned upwards through the track support leg oil cylinder, so that the lower vehicle passing space is saved, the structure is simple, the operation is rapid, and the construction efficiency can be greatly improved.

3. The steering mechanism provided by the invention is steered through the hydraulic steering device, the lock pin is manually inserted into the lock pin frame and the flange to prevent the tire travelling mechanism from steering and moving in a crossing manner during travelling, the hydraulic steering device drives the tire travelling mechanism to steer during steering, and the flange is turned to the limit stop block for limiting, so that the hydraulic steering device is simple in structure and stable in operation.

Drawings

FIG. 1 is a schematic perspective view of the track leg of the present invention shown in an inverted, upwardly stowed configuration;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic perspective view of the track leg support of the present invention;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a schematic structural diagram of a track leg and a track wheel traveling mechanism according to the present invention;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic structural view of a tire running mechanism according to the present invention;

FIG. 8 is a schematic structural view of the tire carrier of the present invention after attachment to the main beam;

fig. 9 is an enlarged schematic view of the structure of the tire steering mechanism of the present invention when it is turned 90 °.

Shown in the figure: 1-front walking beam, 2-tire walking mechanism, 2.1-wheel carrier, 2.2-wheel axle, 2.3-wheel axle sprocket, 2.4-wheel rim, 2.5-tire, 2.6-motor sprocket, 2.7-motor, 2.8-sprocket, 3-rail wheel walking mechanism, 4-left side beam, 5-rail leg, 5.1-rail wheel, 5.2-rail wheel support, 5.3-movable leg, 5.4-fixed leg, 5.5-telescopic cylinder, 5.6-rail wheel motor, 6-orbital transfer cylinder, 7-fixed beam, 8-door frame, 9-walking beam, 10-sling, 11-tire steering mechanism, 11.1-flange, 11.2-flange, 11.3-limit block, 11.4-lock pin frame, 11.5-lock pin, 11.6-lock pin flange, 11.7-hydraulic steering device, 12-rail support leg oil cylinder, 13-right side beam, 14-electric control system, 15-hydraulic system, 16-seat, 17-rear fixed beam, 18-lifting oil cylinder, 19-electric hoist, 20-cable reel and 21-rail support leg oil cylinder.

Detailed Description

As shown in fig. 1 to 4, the track laying crane with the track and road dual-purpose traveling function comprises a cross beam, a tire traveling mechanism 2 arranged below the cross beam, gantry frames 8 arranged on the cross beam and vertically moved up and down through a lifting oil cylinder 18, a movable beam 9 capable of horizontally moving between the gantry frames 8, a lifting appliance 10 arranged below the movable beam 9 and vertically moved up and down through a lifting mechanism, a tire steering mechanism 11 for rotating the tire traveling mechanism 2, a track changing mechanism matched with the tire steering mechanism 11 for adjusting the span, a track supporting leg 5 capable of turning over and a track wheel traveling mechanism 3 arranged at the end part of the track supporting leg 5, wherein the track wheel traveling mechanism is arranged on the movable beam 9. The number of the movable beams 9 is three, the movable beams on two sides are provided with track supporting legs 5, and a lifting appliance 10 is hung below the middle movable beam 9.

The rail transfer mechanism comprises a rail transfer oil cylinder 6 and fixed beams 7 fixedly connected to the door frames on the two sides, the two ends of a moving beam 9 are connected with the fixed beams 7 on the two sides in a sliding mode, one end of the rail transfer oil cylinder 6 is hinged to the fixed beams 7, and the other end of the rail transfer oil cylinder is hinged to the moving beam 9.

The hoisting mechanism is two electric hoists 19 which are respectively arranged on the left side beam 4 and the right side beam 13, the end parts of the steel wire ropes of the electric hoists 19 are connected with a lifting appliance 10, and the lifting appliance 10 realizes vertical movement up and down through the electric hoists 19.

The front end of the cross beam is provided with a front movable beam 1, the rear end of the cross beam is provided with a rear fixed beam 17, the front movable beam 1 is provided with a cable drum 20, and the rear fixed beam 17 is provided with a hydraulic system 15 and a seat 16.

As shown in fig. 5-6, the rail supporting leg 5 comprises a fixed supporting leg 5.4 and a rail supporting leg oil cylinder 21, one end of the rail supporting leg oil cylinder 21 is hinged to the fixed supporting leg 5.4, the other end of the rail supporting leg oil cylinder is hinged to the movable beam 9, a movable supporting leg 5.3 is connected below the fixed supporting leg 5.4 in a sliding mode, telescopic oil cylinders 5.5 are arranged in inner cavities of the fixed supporting leg 5.4 and the movable supporting leg 5.3, the movable supporting leg 5.3 is extended and retracted through the telescopic oil cylinders 5.5, and the bottom of the movable supporting leg 5.3 is fixedly connected with the rail wheel traveling mechanism 3.

The rail wheel walking mechanism 3 comprises a rail wheel support 5.2 fixedly connected to the bottom of the movable supporting leg 5.3, a rail wheel 5.1 rotatably connected with the rail wheel support 5.2 and a rail wheel motor 5.6 for driving the rail wheel to rotate.

As shown in fig. 7-9, the tire steering mechanism 11 comprises a hydraulic steering device 11.7, a lock pin frame 11.4 and a limit stop 11.3 which are arranged at the bottom of the cross beam, and further comprises a flange 11.2 and a flange 11.1 which are fixedly connected to the top of the tire traveling mechanism 2, wherein the lock pin frame 11.4 is matched with the flange 11.2 for use, and the limit stop 11.3 is matched with the flange 11.1 for use; the side wall of the cross beam is also fixedly connected with a lock pin flange 11.6, and a lock pin 11.5 matched with the lock pin frame 11.4 and the flange 11.2 for use is inserted into the lock pin flange 11.6. The hydraulic steering device 11.7 is arranged between the cross beam and the traveling mechanism 2, a lock pin frame 11.4 and a limit stop block 11.3 are respectively arranged at the front and the back of the lower part of the cross beam, and a flange 11.2 matched with the lock pin frame 11.4 and a stop edge 11.1 matched with the limit stop block 11.3 for steering limit are arranged on the upper plane side of the wheel frame 2.1.

The tire running gear includes wheel carrier 2.1, rim 2.4, tire 2.5, tire motor 2.7, sprocket 2.8, motor chain wheel dish 2.6, shaft sprocket 2.3 and shaft 2.2. As shown in fig. 7. The tire motor 2.7 is installed at one end of the wheel carrier 2.1, the chain wheel 2.8 is respectively connected with the motor chain wheel disc 2.6 and the wheel shaft chain wheel disc 2.3, and the wheel shaft 2.2 is connected with the wheel shaft chain wheel disc 2.6 and the wheel rim 2.4. After the tire motor 2.7 is powered on, the chain wheel 2.8 is driven by the motor chain wheel disc 2.6, the chain wheel 2.8 drives the wheel shaft chain wheel disc 2.6, and the wheel shaft chain wheel disc 2.6 drives the rim 2.4 to realize walking.

The working process of the invention is as follows:

when the bicycle is driven in the state shown in fig. 1, the lock pin 11.5 on the lock pin flange 11.6 is inserted into the lock pin frame 11.4 and the flange 11.2, so that the steering movement is prevented during the driving. As shown in fig. 9, when the rail needs to be changed, the lock pin 11.5 is firstly pulled out from the lock pin frame 11.4 and the flange 11.2, the hydraulic steering device 11.7 drives the tire travelling mechanism 2 to steer 90 degrees, and the stop edge 11.1 rotates to the stop block 11.3 for stopping.

When the rail runs, the rail supporting leg oil cylinder 21 drives the fixed supporting leg 5.4 to turn down, when the vertical state is reached, the telescopic oil cylinder 5.5 drives the movable supporting leg 5.3 to extend out, until the rail wheel 5.1 contacts the running rail and supports the whole vehicle, and the tire running mechanism 2 is ensured to be completely separated from the ground. At the moment, the rail wheel motor 5.6 in the rail wheel travelling mechanism 3 is started, and the whole vehicle can be driven to travel.

When the ballast track is paved, the ballast track can move stably at high speed by means of the track, and the ballast track can move by means of the tire at a paving point. Specifically, the track support leg cylinder 12 drives the track support leg 5 to overturn, and when the track support leg 5 falls to the track, if the height is not enough, the movable support leg 5.3 in the track support leg 5 can be extended through the telescopic cylinder 5.5. If the centering is not possible, the tire steering mechanism 11 drives the tire travelling mechanism 2 to steer 90 degrees, and then the orbit changing oil cylinder 6 drives the tire travelling mechanism to realize the centering. After the track supporting legs 5 are supported to the track, the movable supporting legs 5.3 continue to extend out, and then the whole machine is lifted off the ground. When the rail wheel travelling mechanism 3 leaves the rail, the rail can be changed through one side, so that the rail wheel can travel on the ground through the tire, and all executing actions do not need the assistance of external equipment.

The starting and stopping operations of the motor and the hydraulic equipment of the present invention are completed by the electronic control system 14 and the hydraulic system 15, and the control method of the electronic control system 14 and the hydraulic system 15 is out of the protection scope of the present invention.

Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.

Claims

1. The track laying crane with the track and road dual-purpose walking function comprises a cross beam, a tire walking mechanism arranged below the cross beam, portal frames which are vertically moved up and down and installed on the cross beam through a lifting oil cylinder, a movable beam which can horizontally move between the portal frames, and a lifting appliance which is vertically moved up and down and installed below the movable beam through a lifting mechanism.

2. The track-laying crane with the track and road dual-purpose walking function as claimed in claim 1, wherein the track supporting legs comprise fixed supporting legs and track supporting leg oil cylinders, one ends of the track supporting leg oil cylinders are hinged to the fixed supporting legs, the other ends of the track supporting leg oil cylinders are hinged to the moving beams, movable supporting legs are slidably connected below the fixed supporting legs, telescopic oil cylinders are arranged in inner cavities of the fixed supporting legs and the movable supporting legs, extending and retracting operations of the movable supporting legs are achieved through the telescopic oil cylinders, and track wheel walking mechanisms are fixedly connected to the bottoms of the movable supporting legs.

3. The track-laying crane with the track and road dual-purpose traveling function according to any one of claims 1 or 2, wherein the track wheel traveling mechanism comprises a track wheel support fixedly connected to the bottom of the movable leg, a track wheel rotatably connected to the track wheel support, and a track wheel motor for driving the track wheel to rotate.

4. The track-laying crane with the function of both track and road walking as claimed in claim 3, wherein the number of the moving beams is three, track legs are installed on the moving beams at two sides, and a lifting appliance is hung below the middle moving beam.

5. The track-laying crane with the track and road dual-purpose traveling function is characterized in that the tire steering mechanism comprises a hydraulic steering device, a lock pin frame and a limit stop which are arranged at the bottom of a cross beam, and further comprises a flange and a flange which are fixedly connected to the top of the tire steering mechanism, wherein the lock pin frame and the flange are matched for use, and the limit stop and the flange are matched for use; the side wall of the cross beam is also fixedly connected with a lock pin flange, and a lock pin matched with the lock pin frame and the flange is inserted into the lock pin flange.

6. The track-laying crane with the track and road dual-purpose traveling function according to claim 1, wherein the track-changing mechanism comprises a track-changing oil cylinder and a fixed beam fixedly connected to the two side door frames, two ends of the movable beam are slidably connected with the two side fixed beams, one end of the track-changing oil cylinder is hinged to the fixed beam, and the other end of the track-changing oil cylinder is hinged to the movable beam.

7. The track-laying crane with the track and road dual-purpose traveling function is characterized in that the traveling mechanism comprises a wheel frame, a tire rotationally connected to the wheel frame through a wheel shaft and a tire motor fixedly mounted on the wheel frame, and an output shaft of the tire motor is connected with the wheel shaft through a chain transmission device.

8. The track-laying crane with the dual-purpose traveling function of the track and the road as claimed in claim 1, wherein the hoisting mechanism is two electric hoists respectively installed on the left side cross beam and the right side cross beam, the end portions of the steel wire ropes of the electric hoists are connected with a lifting appliance, and the lifting appliance is vertically moved up and down through the electric hoists.