CN212926236U

CN212926236U - Scraper bowl and excavator

Info

Publication number: CN212926236U
Application number: CN202021514865.7U
Authority: CN
Inventors: 王庆龄; 崔文杰; 王贞观
Original assignee: Beijing Dasheng Geer Metallurgical Equipment Co ltd
Current assignee: Beijing Dasheng Geer Metallurgical Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-09
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a scraper bowl and excavator, it is including the scraper bowl body, bucket tooth and the protection gasket that have the bucket lip, and the bucket tooth includes tooth point portion and connecting portion, and connecting portion have be used for with the interior joint surface of bucket lip joint, and connecting portion and bucket lip detachably connect, and the protection gasket is located between interior joint surface and the bucket lip. The utility model discloses a set up removable protective pad piece, make the interior joint surface and the bucket lip of bucket tooth not direct contact, reduce the wearing and tearing between bucket tooth and the bucket lip, when protective pad piece takes place wearing and tearing, only need change the gasket, guarantee the steadiness of bucket tooth and bucket lip junction, prevent that the bucket tooth from producing and rocking, splitting and damaging, reduce maintenance, change and use cost by a wide margin.

Description

Scraper bowl and excavator

Technical Field

The utility model belongs to the technical field of the excavator technique and specifically relates to a scraper bowl and excavator.

Background

The scraper bowl of current excavator, the connected mode of bucket tooth and bucket lip is, the inboard composition surface and the bucket lip direct contact of bucket tooth, takes place wearing and tearing easily between bucket tooth and the bucket lip, in case take place wearing and tearing, the bucket tooth will produce at the operation in-process and rock, causes the bucket tooth to damage very easily, for example the bucket tooth fracture or the bucket tooth internal opening is too big, causes the bucket tooth to scrap, and maintenance and replacement cost are big, cause great economic loss for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scraper bowl and excavator to take place wearing and tearing between lip and the bucket tooth that solve current scraper bowl and cause the problem of bucket tooth damage.

To achieve the above object, the present invention provides a bucket, which comprises a bucket body with a bucket lip, a bucket tooth and a protective gasket, wherein the bucket tooth comprises a tooth tip portion and a connecting portion, the connecting portion has an inner joint surface for engaging with the bucket lip, the connecting portion is detachably connected with the bucket lip, and the protective gasket is disposed between the inner joint surface and the bucket lip.

The bucket is characterized in that a slot is arranged in the connecting part, a notch of the slot faces back to the tooth tip part, the inner wall surface of the slot is the inner joint surface, and the bucket lip extends into the slot from the slot.

The bucket as described above, wherein the connecting portion is a U-shaped structure formed by connecting two connecting arms, the slot is formed between the two connecting arms, and the protective pad is a U-shaped pad.

The bucket is characterized in that the front end of the bucket lip is provided with a convex part, the front end of the protective gasket is provided with a socket, and the convex part extends out of the protective gasket from the socket.

The bucket set forth above wherein the protective pad is shaped to match the shape of the inner joint surface.

The bucket as described above, wherein the protective pad is an easily worn pad, the hardness of the protective pad is less than the hardness of the bucket lip, and the hardness of the protective pad is less than the hardness of the connecting portion.

The bucket as described above, wherein the bucket lip, the connecting portion and the protective gasket are respectively provided with a first opening, a second opening and a third opening which are corresponding and communicated with each other, and a plug connector is inserted into the first opening, the second opening and the third opening and connects the bucket lip, the connecting portion and the protective gasket together.

The bucket as described above, wherein the bucket further includes a clamping plate, the clamping plate is inserted into the first opening, the second opening and the third opening, a side face of the clamping plate is provided with a clamping groove, the clamping groove is embedded and clamped with the bucket lip, the connecting portion and the protection gasket, the other side face of the clamping plate faces the plug connector, and the plug connector and the other side face of the clamping plate are in tight fit through pressing.

The scraper bucket is characterized in that a guide groove is formed in the other side surface of the clamping plate, the guide groove is formed in the inserting direction of the connector, a convex rib is formed on the side surface of the connector, facing the guide groove, and the convex rib is inserted into the guide groove and matched with the guide groove.

The utility model also provides an excavator, it includes foretell scraper bowl.

The utility model discloses a characteristics and the advantage of scraper bowl and excavator are:

1. the utility model separates the bucket tooth from the bucket lip by arranging the replaceable protective gasket, so that the inner joint surface of the bucket tooth is not in direct contact with the bucket lip, the abrasion between the bucket tooth and the bucket lip is reduced, when the protective gasket is abraded, only the gasket needs to be replaced, the stability of the joint of the bucket tooth and the bucket lip is ensured, the bucket tooth is prevented from shaking, breaking and damaging, and the maintenance, replacement and use costs are greatly reduced;

2. the utility model provides a protection gasket is the wearing and tearing gasket, and protection gasket is more easily worn and torn than lip of a dipper and bucket tooth to protection lip of a dipper and bucket tooth are not worn and torn.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1 is a schematic view of the connection state of the bucket lip and the bucket tooth of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic illustration of the engagement of a protective gasket and bucket lip;

FIG. 4 is a schematic view of the engagement of the protective pad and the tooth;

FIG. 5 is a schematic view of a tooth;

FIG. 6 is a front view of a protective gasket;

FIG. 7 is a top view of the protective pad of FIG. 6;

FIG. 8 is a front view of the mating of the plug and card;

FIG. 9 is a top view of the mating of the insert and the catch plate of FIG. 8;

FIG. 10 is a front view of the plug;

FIG. 11 is a top view of the plug member of FIG. 10;

FIG. 12 is a front view of the card;

figure 13 is a top view of the card of figure 12.

Main element number description:

1. a bucket lip; 11. a convex portion; 12. a first opening;

2. a bucket tooth; 21. a tooth tip portion; 22. a connecting portion; 221. an inner joint surface; 222. a slot; 223. a notch;

224. a connecting arm; 225. a second opening;

3. a protective pad; 31. a socket; 32. a third opening;

4. a plug-in unit; 41. a rib;

5. clamping a plate; 51. a card slot; 52. a guide groove.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Where the terms "first", "second", etc. are used for descriptive purposes only and not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 and 2, the present invention provides a bucket, which comprises a bucket body having a bucket lip 1, a bucket tooth 2 and a protective pad 3, wherein the protective pad 3 can also be called a metal pad, the bucket tooth 2 comprises a tooth tip portion 21 and a connecting portion 22, the connecting portion 22 has an inner engaging surface 221 for engaging with the bucket lip 1, the connecting portion 22 is detachably connected with the bucket lip 1, and the protective pad 3 is disposed between the inner engaging surface 221 and the bucket lip 1, that is, the protective pad 3 separates the inner engaging surface 221 of the bucket tooth 2 from the bucket lip 1, so that the inner engaging surface 221 of the bucket tooth 2 and the bucket lip 1 are not in direct contact, thereby reducing the abrasion between the bucket tooth 2 and the bucket lip 1, when the protective pad 3 is abraded, the bucket tooth 2 and the bucket lip 1 are taken out, the abraded protective pad 3 is taken out, and the protective pad 3 is replaced again, thereby ensuring the stability of the joint between the bucket tooth 2 and the bucket lip 1, preventing the bucket tooth 2 from shaking, The damage is caused by the fracture, and only the gasket needs to be replaced, so that the maintenance, replacement and use cost is greatly reduced.

The utility model discloses in, through install removable protective pad 3 additional between lip 1 and bucket tooth 2, can play the guard action to lip 1 and bucket tooth 2, save maintenance, change and use cost.

As shown in fig. 1, specifically, the bucket body includes a front side wall, a rear side wall, a left side wall and a right side wall, the bucket lip 1 is located on the front side wall, the bucket tooth 2 is installed at the front end of the bucket lip 1, the tooth tip 21 of the bucket tooth 2 faces forward for shoveling materials, the connecting portion 22 of the bucket tooth 2 faces backward for connecting with the bucket lip 1, the bucket tooth 2 is multiple, and the multiple bucket teeth 2 are arranged at intervals along the length direction of the bucket lip 1.

As shown in fig. 2 and 4, the shape of the protective pad 3 is matched with the shape of the inner engagement surface 221, so that all engagement surfaces of the tooth 2 and the lip 1 are protected.

As shown in fig. 2 and 5, in an embodiment, a slot 222 is provided in the connecting portion 22, a notch 223 of the slot 222 faces away from the tooth tip portion 21, an inner wall surface of the slot 222 is an inner engagement surface 221, the bucket lip 1 extends into the slot 222 from the notch 223, that is, the connecting portion 22 of the bucket tooth 2 and the bucket lip 1 are connected in an insertion manner, and when the bucket lip 1 extends into the slot 222, the protective gasket 3 is also located in the slot 222 and separates the bucket lip 1 from the inner wall surface of the slot 222.

As shown in fig. 4 and 5, the connecting portion 22 is a U-shaped structure formed by connecting two connecting arms 224, a slot 222 is formed between the two connecting arms 224, and correspondingly, the protective pad 3 is a U-shaped pad to match the shape of the inner engagement surface 221 of the connecting portion 22.

As shown in fig. 3, 6 and 7, a protrusion 11 is disposed at the front end of the bucket lip 1, a socket 31 is disposed at the front end of the protective pad 3, and the protrusion 11 extends out of the protective pad 3 from the socket 31, that is, the protrusion 11 is engaged with the socket 31, so as to achieve the effect of inserting and positioning the bucket lip 1 and the protective pad 3.

In one embodiment, the protection pad 3 is an easily worn pad, the hardness of the protection pad 3 is less than that of the lip 1, and the hardness of the protection pad 3 is less than that of the connecting portion 22, that is, the protection pad 3 is more easily worn than the connecting portion 22 of the lip 1 and the tooth 2, so that the connecting portion of the lip 1 and the tooth 2 is protected from being worn, and the lip 1 and the tooth 2 are effectively protected.

The material of the protective pad 3 is known in the prior art.

As shown in fig. 2, 3, 5, 6, and 7, in an embodiment, the lip 1, the connecting portion 22, and the protective pad 3 are respectively provided with a first opening 12, a second opening 225, and a third opening 32 that are correspondingly and communicatively connected, and an insert piece 4 is inserted into the first opening 12, the second opening 225, and the third opening 32, and connects the lip 1, the connecting portion 22 of the tooth 2, and the protective pad 3 together, that is, the lip 1, the connecting portion 22 of the tooth 2, and the protective pad 3 are connected by the insert piece 4, so that the assembly and disassembly are convenient. For example, the plug 4 is a wedge.

Further, the first opening 12, the second opening 225 and the third opening 32 form a through hole, the through hole and the slot 222 are arranged in a crossed manner, specifically, the slot 222 is arranged along the length direction of the bucket tooth 2, and the through hole is arranged along the thickness direction of the bucket tooth 2, that is, the bucket lip 1, the connecting part 22 of the bucket tooth 2 and the protective gasket 3 are positioned in an inserted manner in the length direction of the bucket tooth 2, and the bucket lip 1, the connecting part 22 of the bucket tooth 2 and the protective gasket 3 are positioned by the inserting piece 4 in the thickness direction of the bucket tooth 2, so that the connection is stable and reliable.

As shown in fig. 2, further, the bucket further includes a clamping plate 5, the clamping plate 5 is inserted into the first opening 12, the second opening 225 and the third opening 32, one side surface of the clamping plate 5 is provided with a clamping groove 51, the clamping groove 51 is clamped with the bucket lip 1, the connecting part 22 and the protective gasket 3, that is, an edge part of the bucket lip 1 adjacent to the first opening 12, an edge part of the connecting part 22 adjacent to the second opening 225 and an edge part of the protective gasket 3 adjacent to the third opening 32 are all embedded into the clamping groove 51 of the clamping plate 5, the other side surface of the clamping plate 5 faces the plug-in unit 4, and the plug-in unit 4 and the other side surface of the clamping plate 5 are in tight press fit, so that the bucket lip 1, the connecting part 22 of the bucket tooth 2 and the protective gasket 3 are firmly.

As shown in fig. 2, 8 to 13, further, the other side surface of the card board 5 is provided with a guide groove 52, the guide groove 52 is arranged along the insertion direction of the plug 4, a rib 41 is arranged on the side surface of the plug 4 facing the guide groove 52, the rib 41 is inserted into the guide groove 52 and is matched with the guide groove 52, that is, when the plug 4 and the other side surface of the card board 5 are in tight-fitting engagement, the rib 41 is inserted into the guide groove 52 to improve the connection stability between the card board 5 and the plug 4.

When the plug-in unit 4 and the plug-in unit 5 are installed, the plug-in unit 5 is firstly inserted into the first opening 12, the second opening 225 and the third opening 32, the clamping groove 51 of the plug-in unit 5 is clamped with the bucket lip 1, the connecting part 22 of the bucket tooth 2 and the protective gasket 3, then the plug-in unit 4 is inserted into the first opening 12, the second opening 225 and the third opening 32 along the direction of the guide groove 52 of the plug-in unit 5, and the rib 41 of the plug-in unit 4 slides along the guide groove 52 in the process until the plug-in unit 4 tightly supports the plug-in unit 5. When the plug 4 is a wedge, the wedge is inserted until the wedge cannot move.

The utility model also provides an excavator, it includes foretell scraper bowl. For example, the excavator is a large mining excavator.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.

Claims

1. The utility model provides a scraper bowl, its characterized in that, the scraper bowl is including the scraper bowl body that has the bucket lip, bucket tooth and protection gasket, the bucket tooth includes tooth point portion and connecting portion, connecting portion have be used for with the interior joint surface of bucket lip joint, connecting portion with bucket lip detachably connects, just protection gasket locates interior joint surface with between the bucket lip.

2. The bucket of claim 1 wherein a slot is formed in the connecting portion, the slot opening faces away from the tooth tip portion, an inner wall surface of the slot opening is the inner engagement surface, and the bucket lip extends from the slot opening into the slot opening.

3. The bucket of claim 2 wherein said attachment portion is a U-shaped structure formed by two attachment arms, said attachment arms defining said slot therebetween, said protective pad being a U-shaped pad.

4. The bucket of claim 3 wherein the lip has a nose at a front end thereof, and the protective pad has a socket at a front end thereof, the nose extending from the socket beyond the protective pad.

5. The bucket set forth in claim 1 wherein said protective pad is shaped to match the shape of said inner engagement surface.

6. The bucket of any one of claims 1 to 5 wherein the protective pad is a wear pad, the protective pad having a hardness less than a hardness of the lip, and the protective pad having a hardness less than a hardness of the attachment portion.

7. The bucket of any one of claims 1 to 5 wherein the lip, the coupling portion and the protective gasket have corresponding and communicating first, second and third openings, respectively, and an insert is inserted into the first, second and third openings and couples the lip, the coupling portion and the protective gasket together.

8. The bucket of claim 7, further comprising a clamping plate inserted into the first opening, the second opening, and the third opening, wherein one side of the clamping plate has a clamping groove, the clamping groove is embedded with the lip, the connecting portion, and the protection pad, and the other side of the clamping plate faces the plug connector, and the plug connector and the other side of the clamping plate are in tight fit.

9. The bucket of claim 8 wherein the other side of the clamping plate is provided with a guide groove, the guide groove is arranged along the insertion direction of the plug-in unit, and the side of the plug-in unit facing the guide groove is provided with a rib, the rib is inserted into the guide groove and is matched with the guide groove.

10. An excavator, characterized in that it comprises a bucket according to any one of claims 1 to 9.