CN212801707U

CN212801707U - Wear-resisting backplate of large-scale mine excavator bucket

Info

Publication number: CN212801707U
Application number: CN202020704298.5U
Authority: CN
Inventors: 刘添君; 岳宏霖
Original assignee: Tianjin Zhongkuang New Material Technology Co ltd; Hebei Iron and Steel Group Mining Co Ltd
Current assignee: Tianjin Zhongkuang New Material Technology Co ltd; Hebei Iron and Steel Group Mining Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-03-26
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a wear-resisting backplate of large-scale mine excavator scraper bowl, relate to scraper bowl protection technical field, the technical problem of scraper bowl excavation in-process scraper bowl wearing and tearing that exists among the solution prior art, the device includes the sideboard, at the bottom of the bucket, the backplate at the bottom of, the backplate, the layer board, the connecting piece, bracing piece and mounting, be the arc structure at the bottom of the bucket, constitute the scraper bowl main part at the bottom of sideboard and the bucket, fixedly connected with layer board and connecting piece on the backplate at the bottom of the bucket, the layer board is fixed with the flexion laminating at the bottom of the bucket, along scraper bowl width direction, the backplate at the bottom of the connection of backplate both sides, backplate fixed connection is on the outer wall at the sideboard and the bottom of the bucket, the connecting piece is connected with the mounting at the bottom of the bucket, the mounting is connected with. The utility model is used for the scraper bowl protection.

Description

Wear-resisting backplate of large-scale mine excavator bucket

Technical Field

The utility model belongs to the technical field of the scraper bowl protection technique and specifically relates to a wear-resisting backplate of large-scale excavator scraper bowl is related to.

Background

In the process of mining iron ores, open pit coal mines and other mines, an excavator is an extremely important and common engineering mining device and plays a role in lifting weight in actual production, and a bucket is one of main parts of the excavator. Generally, it is common to divide a bucket into a standard bucket generally suitable for a lighter work environment such as excavation of clay, loose soil and loading of sand, soil, gravel, etc., a reinforcement bucket generally suitable for heavy work such as excavation of hard soil mixed with softer crushed stone or crushed stone, loading of gravel, etc., and a rock bucket generally suitable for a heavy work environment such as excavation of hard soil mixed with harder crushed stone, hypobarite, weathered stone or hard stone, loading of ore after blasting, etc., depending on a material of manufacture.

Because the excavator carries out material excavation work through the scraper bowl, the scraper bowl can direct contact with the material among the excavation process, and the scraper bowl is inevitable with the produced friction of material and collision, consequently causes the scraper bowl wearing and tearing easily among the excavation process and causes the problem that the scraper bowl structure is not hard up and damages even, leads to the scraper bowl to appear damaging and this scraper bowl of unable normal use.

The applicant has found that the prior art has at least the following technical problems:

the problem of digging the in-process cause the scraper bowl wearing and tearing easily and even cause the scraper bowl structure to become flexible and damage leads to the scraper bowl to appear damaging and unable normal use this scraper bowl.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting backplate of large-scale mine excavator scraper bowl to solve the scraper bowl that exists among the prior art and excavate the technical problem of in-process scraper bowl wearing and tearing. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of large-scale mine excavator scraper bowl wear-resisting backplate, including the sideboard, at the bottom of the bucket, end backplate, the limit backplate, the layer board, the connecting piece, bracing piece and mounting, be the arc structure at the bottom of the bucket, constitute the scraper bowl main part at the bottom of sideboard and the bucket, fixedly connected with layer board and connecting piece on the end backplate, the layer board is fixed with the flexion laminating at the bottom of the bucket, along scraper bowl width direction, the limit backplate is connected to end backplate both sides, limit backplate fixed connection is on the outer wall at the bottom of sideboard and the bucket, the connecting piece is connected to the one end of bracing piece, be connected with the mounting on the bottom of the bucket, the mounting is connected with the other end of bracing piece.

Preferably, the cross-sectional shape of the edge-protecting plate is "L" shape, and the edge-protecting plate has a hollow structure.

Preferably, the thickness of the bottom guard increases gradually along the depth of the bucket.

Preferably, the skirt is joined to the bucket by welding or bolting.

Preferably, the edge protection plate and the bucket are connected in a mode of combining full welding and plug welding.

Preferably, the layer board is provided with the multiunit along the width direction of end backplate at interval, and an terminal surface of layer board is the arc structure, and the terminal surface and the bucket end of arc structure are connected.

Preferably, the edge protection plates are arranged in a plurality of groups at intervals in parallel.

The utility model provides a large-scale mine excavator scraper bowl wear-resisting backplate, through end backplate increased the intensity of scraper bowl bottom to connecting the layer board in bucket body circular arc section and set up the chamfer on layer board one end face, strengthened the intensity of layer board and bottom of the bucket backplate, can avoid the bottom backplate of scraper bowl and the bucket wall department of meeting to split and warp, increase the edge backplate and protect the scraper bowl side position not worn and torn; the bottom guard plate is further fixed through the connecting piece, the supporting rod and the fixing piece, and the connection stability of the bottom guard plate is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a bucket and guard plate connection structure of an embodiment of a wear-resistant guard plate of a large-sized mining excavator bucket according to the present invention;

FIG. 2 is a schematic view of a protective plate of an embodiment of the wear-resistant protective plate of the large-sized excavator bucket of the present invention;

fig. 3 is a schematic view of a welding surface structure of an embodiment of the wear-resistant protection plate of the large-sized mining excavator bucket of the present invention.

In the figure: 1. a side plate; 2. a bucket bottom; 3. a bottom guard plate; 4. an edge guard plate; 5. a support plate; 6. a connecting member; 7. a support bar; 8. a fixing member; 9. and (7) welding areas.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes in detail embodiments of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.

The utility model provides a wear-resisting backplate of large-scale mine excavator scraper bowl, including sideboard 1, 2 at the bottom of the bucket, end backplate 3, limit backplate 4, layer board 5, connecting piece 6, bracing piece 7 and mounting 8, 2 are the arc structure at the bottom of the bucket, 2 constitution scraper bowl main parts at the bottom of sideboard 1 and the bucket, fixedly connected with layer board 5 and connecting piece 6 on the end backplate 3, layer board 5 is fixed with the laminating of the flexion at the bottom of the bucket 2, along scraper bowl width direction (be by the directional orientation of the lower side backplate 4 of the side backplate 4 that goes up in fig. 2 promptly), edge backplate 4 is connected to 3 both sides of end backplate, 4 fixed connection of edge backplate is in 2 junctions at the bottom of sideboard 1 and the bucket, connecting piece 6 is connected to the one end of bracing piece 7, be connected with mounting 8 on the bottom of the bucket 2, mounting 8 is connected with the other end of bracing piece 7, 2 parallel. The strength of the bottom of the bucket is enhanced through the bottom protection plate 3, the supporting plate 5 is connected to the arc section of the bucket body, and a chamfer is arranged on one end face of the supporting plate 5, so that the strength of the supporting plate 5 and the bottom protection plate 3 is enhanced, the joint of the bottom protection plate 3 of the bucket and the bucket wall can be prevented from cracking and deforming, and the edge protection plate 4 is added to protect the side face part of the bucket from being abraded; the bottom guard plate 3 is further fixed through the connecting piece 6, the supporting rod 7 and the fixing piece 8, so that the connection stability of the bottom guard plate 3 is guaranteed.

Referring to fig. 1 and 2, the utility model discloses a partial structure of backplate sketch map and scraper bowl and backplate connection structure sketch map of an embodiment, as shown in fig. 1 and 2, limit backplate 4 is connected at the lateral part of scraper bowl, divide into about two groups interval range, end backplate 3 divide into with parallel part of scraper bowl and fixed connection 6 parts, the circular arc section of 2 at the bottom of the bucket is partly top of end backplate 3 fixed connection, 5 fixed connection of layer board are between the circular arc section at the bottom of the bucket and

end backplate

3, 5 oblique tops of layer board are mounting 8, mounting 8 is connected at the bottom of the bucket with 2, mounting 8 and connecting piece 6 are connected respectively to bracing piece 7.

Referring to fig. 1 and 2, as an alternative embodiment, the edge guard 4 has an "L" shape in cross section, and the edge guard 4 has a hollow structure. The inside of the edge protection plate 4 is provided with a cavity, and the hollow structure of the cavity reduces the weight of the edge protection plate 4.

Referring to fig. 1 and 2, as an alternative embodiment, the thickness of the floor shield 3 gradually increases along the depth of the bucket.

Referring to fig. 1 and 2, as an alternative embodiment, the edge guard 4 is combined with the bucket by welding or bolting.

Referring to fig. 3, as an alternative embodiment, the edge protection plate 4 is connected by a combination of full-length welding and plug welding. Four rectangular welding areas 9 on the peripheral edge of the edge protection plate 4 are welding positions for full welding, and two parallel rectangular welding areas 9 in the middle of the edge protection plate 4 are welding positions for plug welding.

Referring to fig. 1 and 2, as an alternative embodiment, a plurality of groups of supporting plates 5 are arranged at intervals in the width direction of the bottom protection plate 3, one end surface of each supporting plate 5 is of an arc-shaped structure, and the end surface of each arc-shaped structure is connected with the bucket bottom 2. The strength of the supporting plate 5 and the bottom protection plate 3 is enhanced, and the cracking and deformation of the joint of the bottom protection plate 3 and the bucket wall of the bucket can be avoided.

Referring to fig. 1 and 2, in an alternative embodiment, the edge protection plates 4 are arranged in a plurality of groups at intervals in parallel.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a wear-resisting backplate of large-scale mine excavator scraper bowl which characterized in that: comprises a side plate (1), a bucket bottom (2), a bottom guard plate (3), a side guard plate (4), a supporting plate (5), a connecting piece (6), a supporting rod (7) and a fixing piece (8), wherein,

the bucket is characterized in that the bucket bottom (2) is of an arc-shaped structure, the side plate (1) reaches the bucket bottom (2) forms a bucket body, the bottom protective plate (3) is fixedly connected with the supporting plate (5) and the connecting piece (6), the supporting plate (5) is fixedly attached to the bending portion of the bucket bottom (2), and the bucket is wide in direction, the two sides of the bottom protective plate (3) are connected with the side protective plate (4), the side protective plate (4) is fixedly connected with the side plate (1) and the outer wall of the bucket bottom (2), one end of the supporting rod (7) is connected with the connecting piece (6), the bucket bottom (2) is connected with the fixing piece (8), the fixing piece (8) is connected with the other end of the supporting rod (7), the bottom protective plate (3) is connected with the parallel part of the bucket bottom (2) and the bucket bottom (2) is fixedly connected with the bucket bottom.

2. The large mining excavator bucket wear plate of claim 1, wherein: the cross section of the edge protection plate (4) is L-shaped, and the edge protection plate (4) is of a hollow structure.

3. The large mining excavator bucket wear plate of claim 1, wherein: the thickness of the bottom protection plate (3) is gradually increased along the depth direction of the bucket.

4. The large mining excavator bucket wear plate of claim 1, wherein: the edge protection plate (4) is combined with the bucket in a welding or bolt connection mode.

5. The large mining excavator bucket wear plate of claim 4, wherein: the edge protection plate (4) is connected with the bucket in a mode of combining full welding and plug welding.

6. The large mining excavator bucket wear plate of claim 1, wherein: the supporting plate (5) is provided with a plurality of groups along the width direction of the bottom protective plate (3) at intervals, one end face of the supporting plate (5) is of an arc-shaped structure, and the end face of the arc-shaped structure is connected with the hopper bottom (2).

7. The large mining excavator bucket wear plate of claim 1, wherein: the edge protection plates (4) are arranged in parallel at intervals.