CN216709432U

CN216709432U - Front frame of loader

Info

Publication number: CN216709432U
Application number: CN202220483009.2U
Authority: CN
Inventors: 吴琼; 蒙小行; 孙长良; 赵龙; 郑晓晨; 张玉娥; 朱彭辉; 刘虹
Original assignee: LOVOL Engineering Machinery Group Co Ltd
Current assignee: Lovol Heavy Industry Group Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-10
Anticipated expiration: 2032-03-08

Abstract

The utility model relates to the field of engineering machinery, in particular to a front frame of a loader, which comprises a left wing box and a right wing box which are arranged in bilateral symmetry. The left wing box and the right wing box comprise outer side plates and inner side plates which are arranged in parallel, a front middle beam is connected between the upper portions of the two inner side plates, a hinged frame connected between the two inner side plates is arranged at the rear of the front middle beam, a cover plate located between the two inner side plates is connected in front of the front middle beam, and a first clay tile fixing plate and a second clay tile fixing plate are connected to the outer side of each outer side plate. The left end and the right end of the front part of the cover plate are respectively connected with two lifting lugs, namely one lifting lug is arranged between the inner side plate of the left wing box and the cover plate, and the other lifting lug is arranged between the inner side plate of the right wing box and the cover plate. The original mud-blocking tile fixing plate is divided into two parts, so that the structure is simplified, and the cost is reduced; the lifting lugs are arranged between the inner side plate and the cover plate, so that the lifting lugs are connected with two components at the same time, the structure is more stable, and the strength of the utility model is enhanced.

Description

Front frame of loader

Technical Field

The utility model relates to the field of engineering machinery, in particular to a front frame of a loader.

Background

The existing loader adopts hydraulic transmission, and a front frame is mainly used for fixing parts such as a front drive axle, a connecting rod mechanism, a working oil cylinder, a front mud tile and the like. The front frame of the loader is used as a basic structure for supporting a working device and is subjected to combined action of tension, compression, bending and impact loads from all directions. The strength of the front frame in the prior art needs to be improved. In addition, the clay tile fixing plate connected to the front frame is of an integral structure, and a plurality of welding nuts welded to the clay tile fixing plate are dispersed, so that the volume of the clay tile fixing plate is large, and the cost is increased.

Disclosure of Invention

The utility model aims to provide a front frame of a loader, which has high strength, simple structure and low cost.

In order to achieve the purpose, the utility model discloses a front frame of a loader, which comprises a left wing box and a right wing box which are arranged in a bilateral symmetry mode. The left wing box and the right wing box comprise outer side plates and inner side plates which are arranged in parallel, and a front middle beam is connected between the upper parts of the two inner side plates. The rear of the front center sill is provided with a hinge frame connected between the two inner side plates, the front of the front center sill is connected with a cover plate positioned between the two inner side plates, and the outer side of each outer side plate is connected with a first clay tile fixing plate and a second clay tile fixing plate. Divide into two parts with original fender tile fixed plate, will set up into tile fixed plate two alone apart from the welding nut department that other welding nuts are far away, save material has simplified the structure, the cost is reduced simultaneously.

Preferably, the left end and the right end of the front part of the cover plate are respectively connected with two lifting lugs, namely one lifting lug is arranged between the inner side plate of the left wing box and the cover plate, and the other lifting lug is arranged between the inner side plate of the right wing box and the cover plate. The lifting lugs are arranged between the inner side plate and the cover plate, so that the lifting lugs are connected with two components at the same time, the structure is more stable, and the strength of the utility model is enhanced.

Preferably, a plurality of welding nuts are arranged on the first clay tile fixing plate, and a welding nut is arranged on the second clay tile fixing plate.

Preferably, two bilaterally symmetrical multi-way valve fixing seats are respectively arranged on the inner sides of the two inner side plates, and a steering cylinder support is arranged below the multi-way valve fixing seats.

Preferably, two front axle fixing brackets which are symmetrical left and right are respectively connected below the front parts of the outer sides of the two inner side plates, and the rear ends of the front axle fixing brackets are connected with tail plates which are connected to the inner side plates and gradually narrow from front to back. The tailboard can play the reinforcing action to the connection of front axle fixed bolster, and the setting that the tailboard width narrows down gradually from the front to the back can prevent the fracture that the front axle fixed bolster rear end caused because of the rigidity is too strong.

Preferably, the front center sill comprises a front cover plate, a transverse plate and an inverted U-shaped transverse beam, the rear end of the front cover plate is connected with the front end of the transverse plate, the front end of the front cover plate is connected with the rear end of the cover plate, the transverse beam is positioned above the front cover plate and the transverse plate, and the front end and the rear end of the transverse beam are respectively connected with the front cover plate and the transverse plate, namely, the front cover plate, the transverse plate and the transverse beam form a box-shaped structure. The box-type structure improves the strength and rigidity of the present invention.

In conclusion, the beneficial effects of the utility model are as follows: the utility model has high strength, divides the original retaining plate of the mud-guard tile into two parts, and has simple structure and low cost.

Drawings

FIG. 1 is a schematic structural view of a front frame of a loader according to the present invention;

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

FIG. 3 is a schematic view of section A-A of FIG. 2;

FIG. 4 is a perspective view of a front frame of a loader of the present invention;

in the figure: 11. the hydraulic lifting device comprises a left wing box, a right wing box, an inner side plate, an outer side plate, a first clay tile fixing plate, a second clay tile fixing plate, a front middle beam, a front cover plate, a transverse beam, a 4 hinge frame, a 51 front axle fixing support, a 52 tail plate, a 6 cover plate, a 7 lifting lug, an 8 multi-way valve fixing seat and a 9 steering cylinder support.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model discloses a front frame of a loader, which comprises a left wing box 11 and a right wing box 12 which are arranged in bilateral symmetry, wherein the left wing box 11 and the right wing box 12 both comprise an outer side plate 14 and an inner side plate 13 which are arranged in parallel. A front center sill 3 is connected between the upper parts of the two inner side plates 13, and a hinge frame 4 connected between the two inner side plates 13 is arranged behind the front center sill 3. The front of the front center sill 3 is connected with a cover plate 6 positioned between two inner side plates 13, and the left end and the right end of the front part of the cover plate 6 are respectively connected with two lifting lugs 7. Namely, one lifting lug 7 is arranged between the inner side plate 13 of the left wing box 11 and the shroud plate 6, and the other lifting lug 7 is arranged between the inner side plate 13 of the right wing box 12 and the shroud plate 6. The lifting lugs 7 are arranged between the inner side plate 13 and the cover plate 6, so that the lifting lugs 7 are connected with two components at the same time, the structure is more stable, and the strength of the utility model is enhanced.

As shown in fig. 1 and 4, the outer side of each outer side plate 14 is connected with a first tile fixing plate 21 and a second tile fixing plate 22, the first tile fixing plate 21 is provided with a plurality of welding nuts for fixing the mud tiles, and the second tile fixing plate 22 is provided with a welding nut for connecting the mud tiles. Divide into two parts with original fender tile fixed plate, mud tile fixed plate one 21 and two 22 of mud tile fixed plate promptly, will set up to two 22 of mud tile fixed plate alone apart from the welding nut department that other welding nuts are far away, save material has simplified the structure, the cost is reduced simultaneously.

As shown in fig. 3, two bilaterally symmetrical multi-way valve fixing seats 8 are respectively arranged on the inner sides of the two inner side plates 13, and a steering cylinder support 9 is arranged below the multi-way valve fixing seats 8. As shown in fig. 1, 2 and 4, two front axle fixing brackets 51 are connected to the lower portions of the outer front portions of the inner side plates 13, respectively, and the rear ends of the front axle fixing brackets 51 are connected to tail plates 52 connected to the inner side plates 13, the width of each tail plate gradually narrowing from front to rear.

As shown in fig. 2-4, the front center sill 3 includes a front cover plate 31, a transverse plate 32 and an inverted U-shaped cross beam 33, the rear end of the front cover plate 31 is connected to the front end of the transverse plate 32, the front end of the front cover plate 31 is connected to the rear end of the cover plate 6, the cross beam 33 is located above the front cover plate 31 and the transverse plate 32, and the front and rear ends of the cross beam 33 are respectively connected to the front cover plate 31 and the transverse plate 32, that is, the front cover plate 31, the transverse plate 32 and the cross beam 33 enclose a box-shaped structure.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a frame before loader, includes left wing case (11) and right wing case (12) that bilateral symmetry set up, left side wing case (11) with right wing case (12) all include parallel arrangement's outer panel (14) and interior plate (13), are connected with preceding center sill (3) between two interior plate (13) upper portions, the rear of preceding center sill (3) is equipped with to be connected in two articulated frame (4) between interior plate (13), the place ahead of preceding center sill (3) is connected with and is located two cover plate (6) between interior plate (13), its characterized in that, every outer panel (14) outside all is connected with mud tile fixed plate one (21) and mud tile fixed plate two (22).

2. The front frame of the loader as claimed in claim 1, characterized in that two lifting lugs (7) are connected to the left and right ends of the front part of the hood plate (6), respectively, i.e. one lifting lug (7) is arranged between the inner side plate (13) of the left wing box (11) and the hood plate (6), and the other lifting lug (7) is arranged between the inner side plate (13) of the right wing box (12) and the hood plate (6).

3. The front frame of the loader as claimed in claim 1, wherein a plurality of welding nuts are provided on the first tile fixing plate (21), and one welding nut is provided on the second tile fixing plate (22).

4. The front frame of the loader as claimed in claim 1, characterized in that two bilaterally symmetrical multi-way valve fixing seats (8) are respectively arranged on the inner sides of the two inner side plates (13), and a steering cylinder bracket (9) is arranged below the multi-way valve fixing seats (8).

5. The front frame of the loader as claimed in claim 1, characterized in that two front axle fixing brackets (51) which are symmetrical left and right are respectively connected below the front parts of the outer sides of the two inner side plates (13), and the rear ends of the front axle fixing brackets (51) are connected with tail plates (52) which are connected on the inner side plates (13) and gradually narrow from front to back.

6. The front frame of the loader as claimed in claim 1, characterized in that the front center sill (3) comprises a front cover plate (31), a cross plate (32) and an inverted U-shaped cross member (33), the rear end of the front cover plate (31) is connected with the front end of the cross plate (32), the front end of the front cover plate (31) is connected with the rear end of the cover plate (6), the cross member (33) is located above the front cover plate (31) and the cross plate (32) and the front and rear ends of the cross member (33) are respectively connected with the front cover plate (31) and the cross plate (32), namely the front cover plate (31), the cross plate (32) and the cross member (33) enclose a box-shaped structure.