CN215883221U - Track wheel mechanism suitable for engineering machinery vehicle - Google Patents

Abstract

The utility model discloses a track wheel mechanism suitable for an engineering mechanical vehicle, which comprises at least two groups of wheel sets, wherein the wheel sets are fixed on a chassis of the engineering mechanical vehicle and comprise wheel shafts, and tires and track wheels are arranged at two ends of each wheel shaft from outside to inside; the diameter of the tire is larger than the diameter of the rail wheel. And a disc positioning protection plate is arranged between the tire and the rail wheel, and the diameter of the disc positioning protection plate is between the diameters of the tire and the rail wheel. Compared with the prior art, the wheel set designed by the patent can simultaneously meet the requirements of walking on a rail and walking on a flat ground, and the used parts have simple installation structure and high reliability; the whole set of wheel set is convenient to mount and dismount; the high-safety high-stability track-mounted high-altitude operation platform has high running safety and high stability, is suitable for various track type engineering machines, and is particularly suitable for track type high-altitude operation platforms.

Description

Track wheel mechanism suitable for engineering machinery vehicle

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a track wheel mechanism suitable for an engineering machinery vehicle.

Background

At present, most of the engineering machines mostly run on the ground, and only a small amount of special engineering machines can be applied on the track. With the increase of labor cost, the demand for mechanization in the field of subdivision is becoming stronger, especially in the case of high labor intensity.

Under the development of many years, various engineering machines are developed to be mature, and have the advantages of wide operation range, various attachments and the like, but the track walking structure is lacked, so that the track walking structure cannot be applied to track scenes.

At present, special engineering machinery from a track to operation can be developed for the requirements of railway construction, maintenance and the like, most of the special engineering machinery can not walk in places other than the track, the operation range is narrow, and the acquisition and maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a track wheel mechanism suitable for an engineering machinery vehicle, which aims to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme of the utility model provides a track wheel mechanism suitable for an engineering machinery vehicle, which comprises at least two groups of wheel sets, wherein the wheel sets are fixed on a chassis of the engineering machinery vehicle and comprise wheel shafts, and tires and track wheels are arranged at two ends of each wheel shaft from outside to inside; the diameter of the tire is larger than the diameter of the rail wheel.

Preferably, the wheel set is fixed to the chassis of the engineering machinery vehicle through a chassis mounting plate.

Preferably, a disc positioning protection plate is arranged between the tire and the rail wheel, and the diameter of the disc positioning protection plate is between the diameter of the tire and the diameter of the rail wheel.

Preferably, the disc positioning protection plate is fixed with the tire and/or the rail wheel.

Preferably, the disc positioning protection plate is fixed with the wheel shaft.

Preferably, the rail wheel, the tire and the disc positioning protection plate are fixed with the wheel shaft through metal splines.

As one of the preferable schemes, the rail wheel is fixed with the wheel shaft through a metal spline, and the disc positioning protection plate is fixed with the rail wheel through a bolt structure; the tire comprises a tire body and a hub, wherein the hub is rotatably connected to a wheel shaft through a bearing, and an end cover is arranged at the outer end of the wheel shaft and used for limiting the position of the hub; the side surface of the disc positioning protection plate, which is far away from the rail wheel, is provided with a plurality of groups of bulges, the side surface of the tire hub is provided with a plurality of groups of grooves, and the bulges are inserted into the grooves to fix the tire and the disc positioning protection plate.

Preferably, the axle is attached to the chassis mounting plate by a fixed bearing disposed inside the rail wheel.

As one of the preferred schemes, the middle part of the wheel shaft of at least one group of wheel sets is provided with a gear which is matched with a chain to realize power transmission.

Compared with the prior art, the wheel set designed by the patent can simultaneously meet the requirements of walking on a rail and walking on a flat ground, and the used parts have simple installation structure and high reliability; the whole set of wheel set is convenient to mount and dismount; the high-safety high-stability track-mounted high-altitude operation platform has high running safety and high stability, is suitable for various track type engineering machines, and is particularly suitable for track type high-altitude operation platforms.

In order to make the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 introduced 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 based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall scheme of one embodiment of the present invention.

FIG. 2 is an exploded view of a wheel assembly configuration according to an embodiment of the present invention.

FIG. 3 is a schematic diagram illustrating a structural usage state of a wheel set according to an embodiment of the present invention.

FIG. 4 is a schematic view of a puck positioning protection plate according to another embodiment of the present invention.

FIG. 5 is a schematic view of a tire according to another embodiment of the present invention.

FIG. 6 is a schematic view of another embodiment of the present invention showing the connection of a tire and a disk positioning protector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the track wheel mechanism suitable for the engineering machinery vehicle according to the present invention includes at least two sets of wheel sets fixed to a chassis of the engineering machinery vehicle, and the two sets are shown in the drawing as a front wheel set 3 and a rear wheel set 5. The front wheel set 3 and the rear wheel set 5 are fixed on the chassis of the engineering machinery vehicle through a chassis mounting plate 6.

As shown in fig. 2, the wheel set includes a wheel axle 14, and tires and rail wheels are arranged at two ends of the wheel axle 14 from outside to inside. As shown in fig. 2, a left tire 7, a left rail wheel 9, a right tire 21 and a right rail wheel 19 are respectively fixed at two ends of the wheel shaft 14.

The rail wheels (left rail wheel 9 and right rail wheel 19) are cylindrical steel wheels and are used for running on the rail, the tires (left tire 7 and right tire 21) are tires and are used for running on the ground, and the diameters of the tires are larger than the diameters of the rail wheels.

In order to realize the same-track positioning of the track wheels (the left track wheel 9 and the right track wheel 19) and avoid the abrasion of the track and the tire, a disk positioning protection plate (a left disk positioning protection plate 8 and a right disk positioning protection plate 20) is arranged between the tire and the track wheels, the disk positioning protection plates (the left disk positioning protection plate 8 and the right disk positioning protection plate 20) are fixed with the tire and/or the track wheels, and the disk positioning protection plates can also be directly fixed with the wheel axle 14. The diameter of the disc positioning protection plate is between the diameters of the tire and the rail wheel.

The fixing mode of the rail wheel, the tire and the disc positioning protection plate and the wheel shaft 14 generally adopts a metal spline, so that the maintenance and the replacement are convenient.

For convenience of assembly, in one embodiment of the utility model, the rail wheels (the left rail wheel 9 and the right rail wheel 19) are fixed with the wheel shaft 14 through metal splines, and the disc positioning protection plates (the left disc positioning protection plate 8 and the right disc positioning protection plate 20) are fixed with the rail wheels (the left rail wheel 9 and the right rail wheel 19) through bolt structures. The tires (left tire 7, right tire 21) comprise a tire body L and a hub G, the hub is rotatably connected to an axle 14 through a bearing, and an end cover D is arranged at the outer end of the axle 14 and used for limiting the position of the hub G. Keep away from disc location protection shield (left disc location protection shield 8, right disc location protection shield 20) be provided with the protruding T of multiunit on the side of rail wheel (left rail wheel 9, right rail wheel 19 tire (left tire 7, right tire 21) wheel hub G side is provided with multiunit recess A, protruding T inserts and realizes in the recess A tire (left tire 7, right tire 21) with the fixed of disc location protection shield.

The wheel shaft 14 is connected to the chassis mounting plate 6 through a fixed bearing to fix the wheel set and the vehicle, as shown in the attached drawing, a left fixed bearing 22 and a right fixed bearing 30 are further arranged on the wheel shaft 14 on the inner side of the rail wheel, and the left fixed bearing 22 and the right fixed bearing 30 are respectively fixed to the left chassis mounting plate 6 and the bottom of the right chassis mounting plate 6 through a left fixed bolt 10, a left fixed bolt 12, a left flat gasket 11, a left flat gasket 13, a right flat gasket 24, a left fixed nut 23, a left fixed nut 25, a right fixed bolt 16, a right fixed bolt 17, a right flat gasket 15, a right flat gasket 18, a right fixed nut 28, a right fixed nut 29, a right fixed nut 31.

When the wheel axle 14 rotates, the tires, the disc positioning protection plate and the rail wheels can be driven to rotate together, when the rail wheels (the left rail wheel 9 and the right rail wheel 19) are positioned on the rails 1 and 2, the vehicle can be driven to move on the rails, and when the vehicle drives off the rails, the tires (the left tire 7 and the right tire 21) can drive the vehicle to move on the ground.

The driving manner of the wheel axle 14 can be chain transmission, belt transmission or gear transmission, as shown in fig. 1 and 3, and the chain transmission is adopted, specifically, a gear 27 is arranged in the middle of the wheel axle 14, and is connected with the chain 4 to the driving component of the vehicle, such as a driving motor, an engine and the like, so as to drive the wheel axle 14 to rotate. Generally, only one wheel set is required to be provided with a transmission structure on the wheel shaft. As shown in fig. 1 and 3, the transmission structure is arranged on the front wheel set 3. When the engineering machinery vehicle moves forwards and backwards on the track, a driving motor of the vehicle is connected with a gear 27 on the front wheel set 3 through a chain 4, the driving motor works to drive the gear 27 to move, the gear 27 is installed on a wheel shaft 14 of the front wheel set 3 through a metal key to drive the whole wheel set to move, and the whole wheel set is erected on the tracks 1 and 2.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims (9)

1. A track wheel mechanism suitable for an engineering machinery vehicle is characterized by comprising at least two groups of wheel sets, wherein the wheel sets are fixed to a chassis of the engineering machinery vehicle and comprise wheel shafts, and tires and track wheels are arranged at two ends of each wheel shaft from outside to inside; the diameter of the tire is larger than the diameter of the rail wheel.

2. The track wheel mechanism suitable for engineering machinery vehicle of claim 1, characterized in that the wheel set is fixed to the engineering machinery vehicle chassis by a chassis mounting plate.

3. The track wheel mechanism suitable for engineering machinery vehicles is characterized in that a disc positioning protection plate is arranged between the tire and the track wheel, and the diameter of the disc positioning protection plate is between the diameter of the tire and the diameter of the track wheel.

4. The track wheel mechanism suitable for engineering machinery vehicles is characterized in that the disc positioning protection plate is fixed with the tire and/or the track wheel.

5. The track wheel mechanism suitable for engineering machinery vehicles as claimed in claim 3, wherein the disc positioning protection plate is fixed with the wheel shaft.

6. The track wheel mechanism suitable for engineering machinery vehicles as claimed in claim 3, wherein the track wheel, the tire, the disc positioning protection plate and the wheel shaft are fixed through metal splines.

7. The track wheel mechanism suitable for the engineering machinery vehicle is characterized in that the track wheel is fixed on a wheel shaft through a metal spline, and the disc positioning protection plate is fixed on the track wheel through a bolt structure; the tire comprises a tire body and a hub, wherein the hub is rotatably connected to a wheel shaft through a bearing, and an end cover is arranged at the outer end of the wheel shaft and used for limiting the position of the hub; the side surface of the disc positioning protection plate, which is far away from the rail wheel, is provided with a plurality of groups of bulges, the side surface of the tire hub is provided with a plurality of groups of grooves, and the bulges are inserted into the grooves to fix the tire and the disc positioning protection plate.

8. The track wheel mechanism suitable for engineering machinery vehicles according to claim 2, wherein the wheel axle is connected to the chassis mounting plate by a fixed bearing disposed inside the track wheel.

9. The track wheel mechanism suitable for engineering machinery vehicles as claimed in claim 1, wherein gears are arranged in the middle of the wheel shafts of at least one group of wheel sets, and the gears cooperate with chains to realize power transmission.

Images