CN215153738U - Driving guide mechanism of road-rail dual-purpose vehicle - Google Patents

Abstract

The utility model provides a driving guide mechanism of a dual-purpose vehicle for roads and railways, belonging to the technical field of dual-purpose vehicles for roads and railways; the purpose is to solve the problems that the existing combined car for the highway and the railway has single driving force source, the railway traction capacity cannot be further improved, and the power of the front rubber wheel is wasted; the technical scheme includes that the device comprises a guide steel wheel, a rotary support and a guide oil cylinder, wherein one end of the guide oil cylinder is connected with the rotary support, the other end of the guide oil cylinder is connected with a chassis of a combined car, one end of the rotary support, far away from the guide oil cylinder, is hinged with the chassis, a rotating shaft of the guide steel wheel is connected with the rotary support, a first rotating shaft is arranged on the rotary support, a friction wheel is arranged on the first rotating shaft and used for being in contact with a front rubber wheel, and the first rotating shaft is connected with a rotating shaft of the guide steel wheel through a transmission device; the technical effects are that the power of the front rubber wheel is reasonably utilized, the source of driving force is enriched, the traction capacity of the railway is improved, and the braking distance of the railway is shortened.

Description

Driving guide mechanism of road-rail dual-purpose vehicle

Technical Field

The utility model belongs to the technical field of the convertible car of public railway, specifically be a drive guiding mechanism of convertible car of public railway.

Background

The existing rail-road vehicle can be divided into rubber wheel drive and steel wheel drive according to a driving mode, the rubber wheel drive utilizes a driving system of an original chassis, a rear rubber wheel serves as a driving wheel, a guide steel wheel serves as a driven wheel, a front rubber wheel is lifted up to idle, and the rail-road vehicle is widely applied in the field at present due to the advantages of low manufacturing and maintenance cost, strong power and the like, but has the conditions of serious abrasion of the rear rubber wheel, complex load distribution, easy derailment, power waste of the front rubber wheel and the like; the steel wheel drive is that the rubber tyer is lifted and does not participate in the railway operation, and the direction steel wheel is the action wheel, needs to dispose a set of independent drive arrangement and is used for driving the direction steel wheel, is similar to the railway locomotive, has nimble, high-speed, stand wear and tear characteristics, but because the adhesion coefficient is little between steel wheel and the rail for traction force receives the restriction.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides a drive guiding mechanism of combined car, and the purpose is in order to solve the problem that current combined car drive power source is single, railway traction ability can't further improve, preceding rubber tyer power is extravagant.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

The utility model provides a drive guiding mechanism of combined car, includes direction steel wheel, slewing bracket and direction hydro-cylinder, the one end of direction hydro-cylinder with slewing bracket is connected, and the other end is connected with combined car's chassis, slewing bracket keeps away from the one end of direction hydro-cylinder with the chassis is articulated mutually, the pivot of direction steel wheel with slewing bracket is connected, drive guiding mechanism still include with the first pivot that slewing bracket is connected, be provided with the friction wheel in the first pivot for with combined car's preceding rubber tyer friction drive, first pivot through transmission with the pivot of direction steel wheel is connected.

Further, the transmission device is a gear transmission device, a belt transmission device or a chain transmission device.

Furthermore, the transmission device comprises a first gear and a second gear meshed with the first gear, the first rotating shaft is connected with the first gear, the second gear is connected with the rotating shaft of the guide steel wheel, the first gear and the second gear are arranged in a gear box, and the gear box is connected with the rotary support through a support.

Furthermore, an oil cylinder mounting seat is arranged at one end, away from the rotary support, of the guide oil cylinder, the oil cylinder mounting seat is connected with the front cross beam of the chassis, and one end, away from the guide oil cylinder, of the rotary support is hinged with the rear connecting seat of the chassis.

Furthermore, a track sweeper is arranged at the front end of the guide steel wheel and used for sweeping sundries on a rail, and the track sweeper is connected with the rotary support.

Further, the track sweeper comprises a flat plate and a brush arranged below the flat plate.

The utility model discloses produced beneficial effect for prior art does: the utility model transmits the power of the front rubber wheel to the guide steel wheel, thereby not only reasonably utilizing the power of the front rubber wheel, avoiding the waste of power, realizing the maximum utilization of the power of the original chassis, but also enriching the source of the driving force of the convertible car for highway and railway, and realizing the railway traction operation by adopting the mixed driving mode of the guide steel wheel and the rear rubber wheel; the utility model discloses a direction steel wheel is as the action wheel, makes the tractive ability of railway improve about 20%, has shortened railway braking distance.

Drawings

The present invention will be further explained with reference to the accompanying drawings;

fig. 1 is a schematic front view of the present invention in road and railway operations;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 1;

FIG. 6 is a schematic structural view of the present invention during highway operation;

FIG. 7 is a schematic structural view of the present invention during railway operation;

the chassis comprises a chassis longitudinal beam 1, a rear connecting seat 2, a front cross beam 3, a guide oil cylinder 4, a connecting rod 5, a transmission device 6, a front rubber wheel 7, a swing rod 8, a rail sweeper 9, a guide steel wheel 10, an inner vertical plate 11, an outer vertical plate 12, a first rotating shaft 13, a second rotating shaft 14, a friction wheel 15, a first gear 16, a second gear 17, a gear box 18, a bearing 19, a pin shaft 20, a composite bearing 21, an adjusting washer 22, a locking plate 23, a spacer sleeve 24 and an ear plate 25.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clear, the present invention is further described in detail with reference to the accompanying embodiments and drawings, it should be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

As shown in fig. 1-3, a front cross beam 3 and a rear connecting seat 2 are provided on a chassis longitudinal beam 1 of a convertible car for highway and railway, the driving and guiding mechanism for a convertible car for highway and railway of the present invention comprises a guiding steel wheel 10, a rotary bracket and a guiding oil cylinder 4, the rotary bracket comprises a connecting rod 5, a swing rod 8, an inner vertical plate 11 and an outer vertical plate 12, the swing rod 8 is sleeved on the connecting rod 5 and can slide on the connecting rod 5, as shown in fig. 4, one end of the swing rod 8 is hinged with the rear connecting seat 2 through a pin shaft 20, the pin shaft 20 is provided with a locking plate 23 for placing the falling off of the pin shaft, the outer side of the pin shaft 20 is connected with the swing rod 8 through a composite bearing 21, an adjusting washer 22 is provided between the rear connecting seat 2 and the swing rod 8, the other end of the swing rod 8 is provided with an ear plate 25, as shown in fig. 5, the ear plate 25 is hinged with the lower end of the guiding oil cylinder 4 through a second pin shaft, the second pin shaft is provided with the locking plate 23 for placing the falling off of the pin shaft, be provided with spacer 24 between the lower extreme of second round pin axle and direction hydro-cylinder 4, the upper end of direction hydro-cylinder 4 is provided with the hydro-cylinder mount pad, the hydro-cylinder mount pad is connected through the bolt with the front beam 3 on chassis, the outer end of connecting rod 5 is connected with the pivot of direction steel wheel 10 through interior riser 11 and outer riser 12, the intermediate position of riser 11 and outer riser 12 including direction steel wheel 10 sets up, the front end of direction steel wheel 10 is provided with track sweeper 9, track sweeper 9 includes the flat board and sets up the brush in the flat board below, track sweeper 9 and interior riser 11, outer riser 12 welding together, track sweeper 9 is used for cleaning the debris on the rail, guarantee the normal travel of railway.

A first rotating shaft 13 is arranged on the outer side of the outer vertical plate 12, a friction wheel 15 is arranged on the first rotating shaft 13, the front rubber wheel 7 friction transmission device is used for friction transmission with a front rubber wheel 7 of a road-rail vehicle, a first rotating shaft 13 is connected with a rotating shaft of a guide steel wheel 10 through a transmission device 6, the transmission device 6 comprises a first gear 16 and a second gear 17 meshed with the first gear 16, the first rotating shaft 13 is connected with the first gear 16, a second rotating shaft 14 is arranged in the middle of the second gear 17, the second rotating shaft 14 is connected with the rotating shaft of the guide steel wheel 10 through a coupler, the first gear 16 and the second gear 17 are arranged in a gear box 18, the gear box 18 is connected with the outer vertical plate 12 through a support, the first gear 16 is a pinion, the second gear 17 is a bull gear, one end of each of the first rotating shaft 13 and the second rotating shaft 14 is connected with the outer vertical plate 12 through a bearing 19, and the other end of each of the first rotating shaft and the second rotating shaft is connected with the gear box 18 through a bearing.

During the working process, as shown in fig. 6, during the road operation, the guide oil cylinder 4 is retracted, the guide oil cylinder 4 drives the swing rod 8 to rotate around the pin shaft, and simultaneously, the swing rod 8 slides inwards along the connecting rod 5 to drive the connecting rod 5 to complete the upward swinging action, the transmission device 6 and the guide steel wheel 10 are lifted, so that the friction wheel 15 is separated from the front rubber wheel 7, the front rubber wheel 7 and the rear rubber wheel are both contacted with the ground, and the operation content in the road mode is completed; as shown in fig. 7, during railway operation, the front rubber wheel 7 is lifted up and leaves the rail surface, the guide oil cylinder 4 extends out, the guide oil cylinder 4 drives the swing rod 8 to rotate around the pin shaft, and simultaneously the swing rod 8 slides outwards along the connecting rod 5 to drive the connecting rod 5 to complete the swinging action, so that the friction wheel 15 is in contact with the front rubber wheel 7, in the process, the guide oil cylinder 4 extends out for a full stroke until the friction wheel 15 is in contact with the front rubber wheel 7 and keeps a certain pressure, when the rubber wheel has power, the friction wheel 15 is driven to rotate through friction transmission, at the moment, the friction wheel 15 transmits the power to the first gear 16 in the gear box 18 through the transmission of the first rotating shaft 13, the first gear 16 drives the second gear 17 to rotate through the meshing with the second gear 17, and the second gear 17 transmits the power to the guide steel wheel 10 through the second rotating shaft 14.

The utility model transmits the power of the front rubber wheel 7 to the guide steel wheel 10, thereby not only reasonably utilizing the power of the front rubber wheel 7, avoiding the waste of power, realizing the maximum utilization of the power of the original chassis, but also enriching the source of the driving force of the convertible car for highway and railway, and realizing the railway traction operation by adopting the mode of the mixed driving of the guide steel wheel 10 and the rear rubber wheel; compare in the combined railway convertible car of the same type (the front axle rubber tyer lifts up and does not participate in the railway operations, and the rear axle rubber tyer is as the drive wheel, and front and back direction steel wheel 10 is the follower), the utility model discloses a direction steel wheel 10 is as the action wheel, makes the tractive ability of railway improve about 20%, has shortened railway braking distance.

It should be noted that although the transmission device 6 is a gear transmission in the embodiment of the present application, other devices having a function of transmitting power between shafts, such as a belt transmission, a chain transmission, etc., may be applied to the present application as the transmission device 6 without departing from the essence of the present invention.

The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.

Claims (6)

1. The utility model provides a drive guiding mechanism of combined highway and railway car, includes direction steel wheel, slewing bracket and direction hydro-cylinder, the one end of direction hydro-cylinder with slewing bracket is connected, and the other end is connected with combined highway and railway car's chassis, slewing bracket keeps away from the one end of direction hydro-cylinder with the chassis is articulated mutually, the pivot of direction steel wheel with slewing bracket is connected, its characterized in that, drive guiding mechanism still include with the first pivot that slewing bracket is connected, be provided with the friction pulley in the first pivot for with combined highway and railway car's preceding rubber tyer friction drive, first pivot pass through transmission with the pivot of direction steel wheel is connected.

2. The drive guide mechanism for convertible vehicles as claimed in claim 1, wherein the transmission device is a gear transmission device, a belt transmission device or a chain transmission device.

3. The mechanism as claimed in claim 1, wherein the transmission device includes a first gear and a second gear engaged with the first gear, the first rotating shaft is connected with the first gear, the second gear is connected with the rotating shaft of the guide steel wheel, the first gear and the second gear are disposed in a gear box, and the gear box is connected with the rotary bracket through a bracket.

4. The driving guide mechanism of an convertible vehicle for roads and railways as claimed in claim 1, wherein an oil cylinder mounting seat is provided at an end of the guiding oil cylinder away from the swivel bracket, the oil cylinder mounting seat is connected with the front cross beam of the chassis, and an end of the swivel bracket away from the guiding oil cylinder is hinged with the rear connecting seat of the chassis.

5. The driving and guiding mechanism for the convertible bus and railway vehicle as claimed in claim 1, wherein the front end of the guiding steel wheel is provided with a track sweeper for sweeping sundries on a rail, and the track sweeper is connected with the slewing bracket.

6. The drive guide mechanism for a convertible between a highway and a railway as claimed in claim 5, wherein the track sweeper comprises a flat plate and a brush arranged below the flat plate.

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