CN211472635U

CN211472635U - Wear-resisting bucket of mining excavator

Info

Publication number: CN211472635U
Application number: CN201922266994.2U
Authority: CN
Inventors: 高延军; 郭骞; 高原
Original assignee: Taian Bona Metal Wear Resistant Technique Co ltd
Current assignee: Taian Bona Metal Wear Resistant Technique Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-11
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a wear-resisting bucket of mining excavator belongs to mining mechanical equipment technical field. The excavator bucket comprises an arc-shaped wrapping plate and wall plates on two sides, the top end of the wrapping plate is connected with a cross beam, a support lug is connected onto the cross beam, the bottom end of the wrapping plate is connected with a tooth base plate, bucket teeth are arranged on the tooth base plate at intervals, a wear-resistant layer is integrally coated on the outer side of each bucket tooth in a melting mode, and diamond-shaped wear-resistant stripes are coated on the bottom surface of the inner side of the wrapping plate in a melting mode. The utility model discloses a wear-resisting bucket has cladded the wear-resisting stripe that is the rhombus in the inboard bottom surface of its wrapper sheet to it has the wearing layer to wholly melt to cover in the outside of bucket tooth, is showing the wear resistance who has improved the bucket, promotes its life, has reduced the maintenance frequency.

Description

Wear-resisting bucket of mining excavator

Technical Field

The utility model relates to a mining mechanical equipment technical field, concretely relates to wear-resisting bucket of mining excavator.

Background

The excavator has very wide application in various projects due to flexible and strong excavating capacity, a large-sized mining excavator has very wide application in coal mining production, the existing excavator has very excellent dynamic performance, the main problem in the using process is abrasion of an excavator bucket, and the abrasion of the excavator bucket is far better than that of common earth excavation work due to the fact that the object of mine excavation mainly comprises ore. In order to solve the problem of abrasion of the bucket, bucket manufacturers select high-specification abrasion-resistant alloy materials to manufacture the bucket, so that although the abrasion resistance of the bucket is improved to a certain extent and the service life of the bucket is prolonged, the manufacturing cost of the bucket is also improved, and the bucket can still be damaged irreparably in a long-term use process.

Disclosure of Invention

For solving the problem that exists among the prior art, the utility model discloses a wear-resisting bucket of mining excavator that wear resistance is good, long service life, the bucket includes the wallboard of curved wrapper sheet and both sides, the top of wrapper sheet is connected with the crossbeam, be connected with the journal stirrup on the crossbeam, the bottom of wrapper sheet is connected with the toothholder board, be provided with one row of toothholder on the toothholder board, the toothholder is connected with the bucket tooth and passes through the bolt fastening, the outside of bucket tooth is whole to be melted and to be covered there is the wearing layer, the inboard melting in bottom surface of wrapper sheet has the wear-resisting stripe that is the rhombus and distributes. The bucket tooth of the bucket and the bottom surface of the bucket are in contact friction with ores most frequently and are worn most seriously in the using process, a wear-resistant layer is integrally arranged on the outer side of the bucket tooth in a cladding connection mode, and wear-resistant stripes distributed in a diamond shape are arranged on the inner side of the bottom surface of the bucket, so that the wear resistance of the bucket tooth and the wear-resistant stripes is integrally enhanced. And the wear-resistant layer is arranged in a cladding connection mode, high-strength wear-resistant powder materials such as alloy and ceramic powder are directly clad on the base body in the process of cladding the wear-resistant material by a plasma smelting technology, and the wear-resistant material and the base body material can be combined into a whole in the cladding process.

Furthermore, the tooth base plate is connected with a reinforcing plate on the plate body between two adjacent tooth bases, the reinforcing plate is U-shaped and clamps the plate body of the tooth base plate and is fixed through bolts, and the outer side of the reinforcing plate is integrally cladded and connected with a wear-resistant layer. The reinforcing plate improves the wear resistance of the parts except the bucket teeth of the tooth base plate and is convenient to replace.

Further, the upper end of the wallboard of both sides is connected with the sideboard of thickening respectively, the lateral surface of wallboard is provided with two-layer side gusset plate. The wallboard improves its self intensity through the two-layer side gusset plate in the sideboard of thickening and its outside.

Furthermore, the upper end of sideboard has the guard plate through the bolt fastening, the whole U type clamp that is of guard plate is on the sideboard. The upper end of sideboard can with ore direct collision contact at the excavation in-process, improves its bulk strength through setting up the guard plate.

Furthermore, the outside welding of the bottom surface of package board has many horizontal reinforcing plates, the downside of horizontal reinforcing plate is whole to be melted and cover and is connected with one deck wearing layer. The plurality of transverse reinforcing plates at the bottom play a role in improving the strength of the bottom surface of the bucket, and the wear-resistant layer is coated on the lower surface of each transverse reinforcing plate in a melting mode to improve the wear-resistant performance of the transverse reinforcing plate.

Furthermore, the wallboard is welded with a row of reinforcing blocks at the outer side of the joint of the wallboard and the wrapping plate.

Furthermore, the upper side plate and the lower side plate of the reinforcing plate are respectively provided with corresponding connecting holes which are step-shaped holes, wherein the connecting holes of the upper side plate are circular, and the outer side parts of the connecting holes of the lower side plate are hexagonal. The stepped holes enable two ends of a connecting bolt of the reinforcing plate and the tooth seat plate to be sunk below the surface of the reinforcing plate, abrasion to the connecting bolt is reduced, and nuts are placed on the hexagonal parts of the connecting holes of the lower side plate.

Compared with the prior art, the utility model discloses a wear-resisting bucket of mining excavator's that the patent designed advances characterized in that, all designed the wearing layer through the mode of cladding connection on bottom plate internal and external surface, bucket tooth at first, this use high wear-resisting material to make the bucket and obviously reduced the production cost of bucket compared with the tradition, and then obviously improved the fastness of being connected of wearing layer and bucket base member compared with the mode of traditional welding antifriction plate, make the holistic wear resistance of bucket more stable, reduce the frequency of changing the maintenance; and the utility model discloses a more thoroughly that the wear-resisting protection of bucket of design was done, the reinforcing plate has been installed additional to the part of bedplate outside the bucket tooth, has also set up guard plate and gusset plate etc. on the wallboard, makes bucket bulk strength obviously promote, the abominable service environment such as be applied to the mine field that can be better.

Drawings

FIG. 1 is a schematic view of a bucket construction

FIG. 2 is a schematic structural view of a reinforcing plate

Description of the reference numerals

1 package board, 2 wallboard, 3 crossbeam, 4 journal stirrup devices, 5 toothholder boards, 6 bucket teeth, 7 reinforcing plates, 11 wear-resisting stripes, 12 horizontal reinforcing plates, 21 side plates, 22 side reinforcing plates, 23 protection plates, 24 reinforcing blocks, 71 upper side plates, 72 lower side plates and 73 connecting holes

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the utility model discloses an embodiment of a wear-resisting bucket of mining excavator, bucket include curved wrapper sheet 1 and both sides welded wallboard 2. The top welding of package board 1 has crossbeam 3, and the welding has journal stirrup device 4 on the trailing flank of crossbeam 3 and package board 1, and journal stirrup device 4 adopts current structure can for the bucket is connected with the excavator.

The front end of the bottom surface of the wrapper sheet 1 is welded with a tooth seat plate 5, and the front end of the tooth seat plate 5 is provided with a row of tooth seats at intervals. The tooth holder is provided with a bolt hole which penetrates through the tooth holder in the transverse direction, and the tooth holder is fixedly provided with bucket teeth 6 through bolt connection. The inner side surface of the bottom surface of the clad plate 1 is connected with wear-resistant stripes 11 distributed in a diamond shape in a cladding way through a plasma cladding technology, and the wear-resistant stripes 11 are formed by cladding wear-resistant materials such as alloy, ceramic powder and the like. The outer side of the bucket tooth 6 is also integrally connected with a wear-resistant layer in a cladding mode through a plasma cladding technology, and the material of the wear-resistant layer is the same as that of the wear-resistant stripes 11.

A plurality of transverse reinforcing plates 12 are welded at the bottom side of the bottom surface of the wrapper sheet 1, and the lower side surfaces of the transverse reinforcing plates 12 are connected with a wear-resistant layer made of the same material through cladding by the same technology. Both ends of the transverse reinforcing plate 12 are extended by 250mm from the wall plates on both sides, respectively.

The upper end of the wallboard 2 of both sides has welded the sideboard 21 respectively, and the thickness of sideboard 21 is wallboard 2's twice, is fixed with 2 guard plates 23 on the sideboard 21 of both sides respectively, and guard plate 23 is the U type, presss from both sides the sideboard to it is fixed through bolted connection. The outer side of the wall plate 2 is welded with 2 layers of side reinforcing plates 22, and the area of the outer side reinforcing plate is slightly smaller than that of the inner side reinforcing plate. Meanwhile, the outer side surfaces of the joints of the wallboard 2 on the two sides and the wrapping plate 1 are respectively welded with a row of 8 steel reinforcing blocks 24.

The front end of the carrier plate 5 is connected to a reinforcing plate 7 at a portion between each adjacent carrier, and as shown in fig. 2, the reinforcing plate 7 is U-shaped as a whole and is divided into an upper side plate 71 and an upper side plate 72. The lower side plate 72 is a flat plate, and the rear side end thereof is an inclined plane; the connecting end of the upper side plate 71 and the lower side plate 72 is an arc-shaped inclined surface. The reinforcing plate 7 is clamped on the outer side of the tooth seat plate 5 from the front side, and the outer side surface of the reinforcing plate 7 is connected with a wear-resistant layer in a cladding mode through a plasma cladding technology. The part of the tooth base plate 5 connected with the reinforcing plate 7 is provided with a through hole, the corresponding upper side plate and the lower side plate of the reinforcing plate 7 are respectively provided with a connecting hole 73, the connecting hole 73 is a step-shaped hole, the outer side part of the connecting hole of the lower side plate 72 of the reinforcing plate 7 is a hexagonal hole, the reinforcing plate 7 passes through the connecting hole 73 and the through hole on the tooth base plate 5 through a bolt and is fixed on the tooth base plate 5, a nut of the bolt is clamped in the hexagonal hole of the connecting hole of the lower side plate 72 of the reinforcing plate 7, and the upper end and the lower end of the bolt do not exceed the upper surface and the lower surface of the reinforcing plate 7.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.

Claims

1. The utility model provides a wear-resisting bucket of mining excavator, the bucket includes the wallboard of arc package board and both sides, the top of package board is connected with the crossbeam, be connected with the journal stirrup on the crossbeam, the bottom of package board is connected with the bedplate of toothholder, be provided with one row of toothholder on the bedplate of toothholder, its characterized in that, the toothholder is connected with the bucket tooth and passes through the bolt fastening, the outside of bucket tooth is whole to be melted and cover and is connected with the wearing layer, the inboard wear-resisting stripe that is the rhombus that melts and covers of bottom surface of package board is connected with.

2. The mining excavator wear-resistant bucket according to claim 1, wherein the tooth base plate is connected with a reinforcing plate on a plate body between two adjacent tooth bases, the reinforcing plate is U-shaped and clamps the plate body of the tooth base plate and is fixed through bolts, and a wear-resistant layer is integrally connected to the outer side of the reinforcing plate in a cladding mode.

3. The mining excavator wear-resistant bucket of claim 1 or 2, wherein the upper ends of the wall plates on two sides are respectively connected with thickened edge plates, and two layers of side reinforcing plates are arranged on the outer side surfaces of the wall plates.

4. The mining excavator wear-resistant bucket of claim 3, wherein a protection plate is fixed at the upper end of the side plate through bolts, and the protection plate is integrally clamped on the side plate in a U shape.

5. The mining excavator wear resistant bucket of claim 4 wherein a plurality of transverse reinforcement plates are welded to the outside of the bottom surface of the wrapper sheet.

6. The mining excavator wear resistant bucket of claim 5 wherein the wall panel has a row of reinforcement blocks welded to the outside of the connection with the wrapper sheet.

7. The mining excavator wear-resistant bucket of claim 2, wherein the upper side plate and the lower side plate of the reinforcing plate are respectively provided with corresponding connecting holes, and the connecting holes are stepped holes.