CN216069505U - Universal wheel lifting device suitable for engineering machinery vehicle - Google Patents

Abstract

The utility model discloses a universal wheel lifting device suitable for an engineering machinery vehicle, which comprises an oil cylinder, a universal wheel, a mounting frame and a connecting rod group, wherein the oil cylinder is arranged on the universal wheel; the connecting rod group at least comprises a group of connecting rods which are arranged at two sides of the mounting frame, the upper parts of the connecting rods are hinged with the vehicle frame, and the lower parts of the connecting rods are hinged with the mounting frame; the upper part of the oil cylinder is hinged with a vehicle frame, and the lower part of the oil cylinder is hinged with an installation frame; the universal wheels are multiple and are arranged at the bottom of the mounting frame. Compared with the prior art, the technical scheme of the utility model has the advantages of simple structure and convenient operation, and is suitable for various machines which need to walk outside the track. And the cost of the whole life cycle of the manufacture, the modification and the maintenance is lower, thereby being beneficial to the large-scale popularization.

Description

Universal wheel lifting device suitable for engineering machinery vehicle

Technical Field

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

Background

At present, special engineering machinery which can run from a track to a track is developed for track running mostly and can not run at a place outside the track mostly, so that the application of the special engineering machinery is limited. In addition, when the railway needs to be transferred from one group of tracks to another group of tracks, if the two groups of tracks are not communicated, a lifting machine is often needed for transferring.

At present, the scheme of developing a track and a ground dual-purpose wheel set is adopted, but for products sensitive to cost or products with lower ground walking duty ratio, the complete dual-purpose wheel set scheme can enable the input and output to be asymmetric, and large-scale popularization and application are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a universal wheel lifting device suitable for an engineering machinery vehicle, which is used for solving the problems in the prior art.

In order to achieve the purpose, the technical scheme of the utility model provides a universal wheel lifting device suitable for an engineering machinery vehicle, which comprises an oil cylinder, a universal wheel, a mounting frame and a connecting rod group, wherein the oil cylinder is arranged on the universal wheel; the connecting rod group at least comprises a group of connecting rods which are arranged at two sides of the mounting frame, the upper parts of the connecting rods are hinged with the vehicle frame, and the lower parts of the connecting rods are hinged with the mounting frame; the upper part of the oil cylinder is hinged with a vehicle frame, and the lower part of the oil cylinder is hinged with an installation frame; the universal wheels are multiple and are arranged at the bottom of the mounting frame.

Preferably, the linkage includes two groups of links, namely a first linkage and a second linkage.

Preferably, the first linkage and the second linkage each include 4 links.

As one of the preferable schemes, the universal wheel lifting device further comprises an orientation wheel set, wherein the orientation wheel set comprises an orientation wheel set frame, an orientation wheel set oil cylinder and an orientation wheel; the directional wheel set frame is fixed at one side end of the frame in a sliding mode, the directional wheel set oil cylinder body is fixed on the frame, the end of the piston rod is fixed to the directional wheel set frame, and the directional wheel is fixed at the bottom of the directional wheel set frame.

Preferably, the width of the bottom of the directional wheel set frame is larger than that of the frame.

Compared with the prior art, the technical scheme of the utility model has the advantages of simple structure and convenient operation, and is suitable for various machines which need to walk outside the track. And the cost of the whole life cycle of the manufacture, the modification and the maintenance is lower, thereby being beneficial to the large-scale popularization.

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 representation of the use of one embodiment of the present invention.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present invention.

FIG. 3 is an exploded view of a wheel assembly configuration according to an embodiment of the present invention.

FIG. 4 is a schematic view of a directional wheel set according to an embodiment of the present invention.

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. 1,2, and 3, a universal wheel lifting device S according to the present invention is provided under a vehicle frame 1. When the engineering machinery vehicle runs on the track, the universal wheel lifting device S is contracted in the frame and is in a state of being separated from the ground. When the engineering machinery vehicle needs to walk on the ground, the universal wheel lifting device S is lifted to lift the engineering machinery vehicle integrally, the rail wheels leave the ground/rails, and the vehicle is supported by the universal wheels of the universal wheel lifting device S.

As shown in fig. 1 and 2, the universal wheel lifting device S of a construction machinery vehicle according to the present invention includes an oil cylinder 6, a universal wheel 4, a mounting bracket 5, a linkage, and the like.

The mounting rack 5 is a rectangular frame formed by welding a rectangular pipe and a plurality of steel plates,

the connecting rod group at least comprises a group of connecting rods which are arranged on two sides of the mounting frame 5, the upper parts of the connecting rods are hinged with the vehicle frame 1, and the lower parts of the connecting rods are hinged with the mounting frame 5.

As shown in fig. 1 and 2, in order to improve the support strength of the connecting rods, the linkage includes two groups of connecting rods, namely a first linkage 2 and a second linkage 3. The first connecting rod group 2 and the second connecting rod group 3 respectively comprise 4 connecting rods.

The upper part of the oil cylinder 6 is hinged with the vehicle frame 1, and the lower part is hinged with the mounting frame 5.

The universal wheels 4 are arranged at the bottom of the mounting frame 5. As shown in the drawing, the universal wheels 4 are 4 and are arranged at four corners of the mounting frame 5.

When the engineering machinery vehicle runs on the track, the lifting device is in a contraction state, the front and back running function of the machine on the track is not affected, when the machine needs to leave the track to run on the road, the oil cylinder 6 is lifted, the universal wheel lifting device S is supported, and the track wheel is separated from the track, so that the function of running and steering of the engineering machinery vehicle on the road outside the track is realized, the operation flexibility of the engineering machinery vehicle is improved, and the working efficiency is improved.

As shown in fig. 4, in practical use, when the universal wheel 4 is used for walking, the universal wheel is generally pushed by manpower due to a short stroke, and in order to improve the smoothness in the pushing process, the universal wheel is further provided with a directional wheel set 7, wherein the directional wheel set 7 comprises a directional wheel set frame 71, a directional wheel set oil cylinder 72 and a directional wheel 73.

The directional wheel set frame 71 is a rectangular frame formed by rectangular pipes and is slidably fixed at one side end of the frame 1, the cylinder body of the directional wheel set cylinder 72 is fixed on the frame 1, the end part of the piston rod is fixed on the directional wheel set frame 71, the directional wheel 73 is fixed at the bottom of the directional wheel set frame 71, and the width of the bottom of the directional wheel set frame 71 is larger than that of the frame 1.

The slidable connection is realized by a sleeve 11 fixed on the frame 1, and the upright 711 of the directional wheel set frame 71 is inserted into the sleeve 11, and the sliding and locking are realized by the through holes arranged on the sleeve 11 and the upright 711 and the pin.

When the universal wheel lifting device S is lifted by the oil cylinder 6, the directional wheel set oil cylinder 72 works to push the directional wheel set frame 71 to move downwards to be far away from the frame 1, and after the preset position is reached, the directional wheel set frame 71 and the frame 1 are fixed through the pins. Because of the adoption of the directional wheel 73, the direction can be controlled easily in the process of manual pushing, and simultaneously, because the width of the bottom of the directional wheel set frame 71 is larger than that of the frame 1, the vehicle can be effectively prevented from rolling. The directional wheel set oil cylinder 72 can work independently, and when the vehicle turns to a large extent, the directional wheel 73 can be lifted off the ground, so that the steering operation is not influenced.

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; either directly or indirectly through intervening media, either internally or in any other relationship. 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 (5)

1. A universal wheel lifting device suitable for an engineering machinery vehicle is characterized by comprising an oil cylinder, a universal wheel, a mounting rack and a connecting rod group; the connecting rod group at least comprises a group of connecting rods which are arranged at two sides of the mounting frame, the upper parts of the connecting rods are hinged with the vehicle frame, and the lower parts of the connecting rods are hinged with the mounting frame; the upper part of the oil cylinder is hinged with a vehicle frame, and the lower part of the oil cylinder is hinged with an installation frame; the universal wheels are multiple and are arranged at the bottom of the mounting frame.

2. The device as claimed in claim 1, wherein the linkage comprises two sets of links, a first linkage and a second linkage.

3. The device as claimed in claim 2, wherein the first linkage and the second linkage each comprise 4 links.

4. The universal wheel lifting device suitable for engineering machinery vehicles is characterized by further comprising a directional wheel set, wherein the directional wheel set comprises a directional wheel set frame, a directional wheel set oil cylinder and a directional wheel; the directional wheel set frame is fixed at one side end of the frame in a sliding mode, the directional wheel set oil cylinder body is fixed on the frame, the end of the piston rod is fixed to the directional wheel set frame, and the directional wheel is fixed at the bottom of the directional wheel set frame.

5. The device as claimed in claim 4, wherein the bottom width of the directional wheel assembly is greater than the width of the frame.

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