CN220486599U - Protective underframe, walking part and engineering machinery - Google Patents

Abstract

The utility model discloses a protective underframe, a walking part and engineering machinery, which mainly comprise an underframe main body and two protective components, and aim to protect all important parts in the underframe and increase the strength of the underframe bottom plate. The center of the bottom of the chassis main body is provided with a large enough opening space for disassembly, assembly and maintenance of internal parts, the protective component is positioned at the bottom of the chassis and welded with the bottom plate of the chassis, and the protective component is respectively positioned at the front side and the rear side of the opening space of the chassis. The protection component is of a small box structure, a plurality of reinforcing rib plates are arranged in the protection component, and the protection component has high anti-collision capability. The protective underframe provided by the utility model has higher strength, can effectively resist the influence of external factors in daily work, reduces the damage to important parts, and can be used as an underframe support during transportation.

Description

Protective underframe, walking part and engineering machinery

Technical Field

The utility model relates to a protective underframe, and relates to the field of engineering machinery.

Background

The large-scale mining excavator is used as important equipment for mining operation, has high reliability and high adaptability, and plays a very important role in excavating or crushing operation. Mine working conditions are generally severe, and the trafficability of the whole chassis system determines whether the chassis system is extruded, collided and worn by external factors.

The hydraulic system and the electric system of the getting-off are used as important driving elements, are positioned in the underframe and are lower in position, are easily influenced by surrounding external factors, have higher requirements on protective measures of the underframe, and are indispensable, especially for ultra-large mining engineering mechanical equipment, the hydraulic system and the electric system are complex, and the occupied space is large.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the protective underframe which has simple structure and higher strength and can effectively protect important parts in the underframe.

In order to achieve the above object, the present utility model provides the following technical solutions:

in a first aspect, the present utility model discloses a protective chassis comprising:

an opening for disassembling and maintaining the internal parts is arranged at the center of the bottom of the chassis main body;

the protection components are positioned at the bottom of the underframe main body and are respectively arranged at the front side and the rear side of the opening of the underframe main body along the running direction of the vehicle.

In some embodiments, the pair of guard assemblies are symmetrically disposed about the center of the opening of the chassis body.

In some embodiments, the length of the guard assembly on the left and right sides is not less than the length of the opening of the chassis body on the left and right sides.

In some embodiments, the height of the guard assembly from its bottom up to the bottom of the chassis body is greater than the length of the slip ring protruding from the opening of the chassis body.

In some embodiments, the guard assembly is a box-type structure with an open top surface that is hollow.

In some embodiments, the protective component comprises a box-shaped frame formed by a bending plate and two side plates, and the bending plate is in an open trapezoid structure with a big top and a small bottom.

In some embodiments, a plurality of reinforcing ribs are fixed at intervals inside the box frame.

In some embodiments, the chassis body is comprised primarily of an upper and lower H-shaped plate to form a box frame.

In a second aspect, the present utility model discloses a walking member comprising:

the protective underframe;

and the pair of crawler belt assemblies are symmetrically arranged on the left side surface and the right side surface of the protective underframe.

In a third aspect, the present utility model discloses an engineering machine, provided with the protective chassis; alternatively, the above-described traveling member is mounted.

The utility model has the beneficial effects that:

the protective underframe provided by the utility model has higher strength, can effectively resist the influence of external factors in daily work, reduces the damage to important parts, and can be used as an underframe support during transportation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a schematic view of the whole structure of a protective chassis according to the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the protective chassis of the present utility model;

fig. 3 is a schematic structural view of the protection component of the present utility model.

In the figure: 1. the protective component 2, the chassis main body 3, the collecting ring 101, the side sealing plate 102, the rib plate 103 and the bending plate.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, the protective underframe mainly comprises an underframe main body 2 and two protective assemblies 1, and aims to protect various important parts in the underframe and increase the strength of the underframe bottom plate.

With continued reference to fig. 1 and 2, the central position of the bottom of the chassis main body 2 is designed with a sufficiently large opening space for disassembly, assembly and maintenance of internal components, and in this example, the chassis main body 2 is internally provided with a hydraulic system pipeline and an electrical element collecting ring 3. The protection components 1 are positioned at the bottom of the underframe main body 2, welded with the bottom plate of the underframe main body 2, respectively positioned at the front side and the rear side of the opening space of the underframe main body 2, and symmetrically distributed in the front-rear direction, namely the front-rear direction of the vehicle running.

The protection component 1 has enough height to shield all important parts inside the chassis main body 2, as shown in fig. 2, in the whole view direction, the protection component 1 completely shields the collecting ring 3 inside the chassis main body 2, so that the protection component 1 can effectively protect the collecting ring in normal operation, and the protection component 1 can be used as a supporting piece to support the whole chassis when the collecting ring 3 is disassembled and transported or assembled, and the collecting ring 3 is prevented from directly bottoming.

As shown in fig. 3, the protection component 1 is in a small box structure, the bending plate 103 and the two side sealing plates 101 form a box frame, a plurality of reinforcing rib plates 102 are arranged in the box frame and are dispersed in the box, and the whole body has high anti-collision capability.

The bent plate 103 is of a large-angle opening type trapezoid structure, the upper part is large, the lower part is small, and when collision occurs, the trapezoid inclined plane can effectively reduce front impact and relieve impact force received by the protection assembly 1.

It should be noted that the structure of the protection assembly 1 is not limited to the above-mentioned form, and in practical design, some corresponding modifications may be made according to practical requirements.

The utility model also discloses a walking component, which comprises the protective underframe and a pair of crawler assemblies, wherein the crawler assemblies are symmetrically arranged on the left side surface and the right side surface of the protective underframe.

The utility model also discloses engineering machinery, which is provided with the protective underframe; alternatively, the above-described traveling member is mounted.

Therefore, the protective underframe provided by the utility model has higher strength, can effectively resist the influence of external factors in daily work, reduces the damage to important parts, and can be used as an underframe support during transportation.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present application.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims (10)

1. A protective chassis, comprising:

an opening for disassembling and maintaining the internal parts is arranged at the center of the bottom of the chassis main body;

the protection components are positioned at the bottom of the underframe main body and are respectively arranged at the front side and the rear side of the opening of the underframe main body along the running direction of the vehicle.

2. A protective chassis according to claim 1, wherein:

the pair of protection components are symmetrically distributed around the center of the opening of the chassis main body.

3. A protective chassis according to claim 1, wherein:

the length of the protective component on the left side and the right side is not smaller than the length of the opening of the chassis main body on the left side and the right side.

4. A protective chassis according to claim 1, wherein:

the height of the guard assembly from its bottom up to the bottom of the chassis body is greater than the length of the slip ring extending from the opening of the chassis body.

5. A protective chassis according to claim 1, wherein:

the protection component is of a box-shaped structure with an opening on the top surface and hollow.

6. The protective chassis of claim 5, wherein:

the protection component comprises a box-shaped frame formed by a bending plate and two side plates, and the bending plate is of an opening type trapezoid structure with a large upper part and a small lower part.

7. The protective chassis of claim 6, wherein:

a plurality of reinforcing rib plates are fixed in the box-shaped frame at intervals.

8. A protective chassis according to claim 1, wherein:

the chassis main body mainly comprises an upper H-shaped plate and a lower H-shaped plate to form a box-shaped frame.

9. A walking member, comprising:

the protective chassis of any one of claims 1 to 8;

and the pair of crawler belt assemblies are symmetrically arranged on the left side surface and the right side surface of the protective underframe.

10. An engineering machine, characterized in that:

-mounting the protective chassis of any one of claims 1 to 8; alternatively, the walking member of claim 9 is mounted.