CN111733923A - Excavator bucket tooth structure - Google Patents
Excavator bucket tooth structure Download PDFInfo
- Publication number
- CN111733923A CN111733923A CN202010637500.1A CN202010637500A CN111733923A CN 111733923 A CN111733923 A CN 111733923A CN 202010637500 A CN202010637500 A CN 202010637500A CN 111733923 A CN111733923 A CN 111733923A
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- China
- Prior art keywords
- bucket tooth
- tooth
- bucket
- rear end
- excavator
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Links
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000005065 mining Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
- E02F9/2833—Retaining means, e.g. pins
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
A novel excavator bucket tooth is applicable to excavators of industrial and mining enterprises. Including setting up the bucket tooth major structure on excavator sword board subassembly, bucket tooth major structure includes two parts of bucket tooth front end and bucket tooth rear end of interconnect, bucket tooth rear end stretches out partly forward, be equipped with the tooth cover on the bucket tooth front end, extension structure two is equipped with sword board protection architecture, be equipped with weld structure between extension structure and the bucket sword board, weld structure is up to around the sword board protection architecture, the head of bucket tooth rear end is equipped with the arch, be equipped with the recess that matches with protruding installation in the afterbody of bucket tooth front end, the both sides of junction are fixed through gasket screw group between bucket tooth rear end and the bucket tooth front end. The bucket tooth adopts welded mode and cutting board to connect, utilizes to extend structure protection welding seam structure, and bucket tooth front end and tooth cover replace according to operating condition to be furnished with the tooth cover of adaptation, various operating modes of adaptation that can be more nimble.
Description
Technical Field
The invention relates to an excavator bucket tooth structure, which is particularly suitable for being used in excavators of industrial and mining enterprises and belongs to the technical field of excavator bucket teeth.
Background
Excavator buckets are important structural members in excavator machinery, and bucket teeth and tooth sleeve structures determine the service life of the buckets. Welding is the main connection mode of the bucket teeth and the blade plate, and a welding seam is easy to damage in use, so that the protection of the welding seam is particularly important. The excavator that industrial and mining enterprises used, the operating mode in the face of is complicated, needs to change different bucket teeth in the face of different operating modes, and the construction degree of difficulty is big, and the bucket tooth takes place to destroy more easily, and the change of the bucket tooth in the work progress is inefficient, and the installation degree of difficulty is big.
In the actual use process of the mining excavator, the front end of a welding seam on the side face of the bucket tooth is in direct contact with materials, so that the bucket tooth is subjected to a great friction and abrasion effect, the welding seam has a great tendency of cracking and damage, and the service life of the whole bucket tooth is seriously influenced. The tooth sleeve surface is susceptible to wear when in contact with the material. In the structure of original excavator bucket tooth, the bucket tooth structure is a whole, and when in the face of complicated operating mode, single bucket tooth and tooth cover structure are difficult to adapt to, and the change degree of difficulty is big. Therefore, enhancing the protection of the weld joint and increasing the flexibility of replacement and installation of the bucket teeth and tooth sleeves is a significant measure of improvement in excavator buckets.
Disclosure of Invention
Aiming at the defects of the technology, the excavator bucket tooth structure is simple in structure, good in using effect, capable of effectively prolonging the service life of the bucket tooth and convenient to replace and maintain.
In order to realize the technical purpose, the excavator bucket tooth structure comprises a bucket tooth main body structure arranged on an excavator blade plate, wherein the bucket tooth main body structure comprises a bucket tooth front end part and a bucket tooth rear end part which are connected with each other, the rear end of the bucket tooth extends forwards to form a part, so that the combined surface of the front part and the rear part of the bucket tooth is larger, the front part and the rear part of the bucket tooth can be combined more closely, the front end of the bucket tooth is convenient to pre-install and fix, the front end of the bucket tooth is also provided with a tooth sleeve which integrally wraps the bucket tooth, the tail part of the rear end of the bucket tooth is clamped on the upper side and the lower side of the bucket blade plate through an extension structure, blade plate protection structures which are thickened and extended are respectively arranged on the two sides of the contact part of the extension structure of the tail part of the rear end of the bucket tooth and the bucket blade plate, a welding seam structure is arranged between the extension structure of the tail part of the rear end of the bucket tooth and the bucket blade plate protection, the service life is prolonged, the head of the rear end of the bucket tooth is provided with a protrusion, the tail of the front end of the bucket tooth is internally provided with a groove matched with the protrusion in installation, and the two sides of the joint between the rear end of the bucket tooth and the front end of the bucket tooth are fixed through a gasket screw group.
The rear end of the bucket tooth is fixed on the cutting plate in a welding mode, the front end of the bucket tooth is sleeved on the rear end of the bucket tooth for pre-fixing, and gasket screw fixing assemblies A are respectively arranged at the front end of the bucket tooth and the two sides of the rear end of the bucket tooth for fixing, so that the front end of the bucket tooth is sleeved on the two parts at the rear end of the bucket tooth for fastening and facilitating disassembly; the bucket tooth main body is divided into the bucket tooth front end and the bucket tooth rear end, so that when the bucket tooth faces different working conditions, different working scenes can be quickly and specifically dealt with only by replacing the bucket tooth front end and the adaptive tooth sleeve when the bucket tooth is replaced, and the using scenes are more flexible and convenient; particularly for the mining excavator, the working condition is complex, the construction difficulty is high, the bucket teeth are replaced more frequently, and the design can be widely applied to the mining excavator.
Gasket screw fixed subassembly A includes the gasket subassembly b side of two vertical settings of a length, and short gasket subassembly b is established at the bucket tooth front end, and long gasket subassembly b is established at the bucket tooth rear end side, and two gasket subassembly a's both ends are passed through the screw respectively with the both ends fixed link of two vertical gasket subassemblies b that set up of a length, adopt two gasket subassemblies an and two gasket subassemblies b to connect, can improve the stability that screw fixed subassembly A connects.
The tooth cover extends and the cladding is structural in the extension of bucket tooth both sides, forms three point support, makes the stress condition of bucket tooth and cutting board overall structure when using more stable, and tooth cover both sides are equipped with the protective sheath structure who covers the cutting board protective structure of bucket tooth rear end, and the structural screw group that is equipped with and fastens with cutting board protective sheath structure of protective sheath, every screw group include two screws that are the contained angle symmetry and set up, change in a flexible way.
Be equipped with the rubber cushion b that plays the effect that slows down the impact between the protruding top of bucket tooth front end and the recess in the bucket tooth front end, be equipped with rubber cushion c in the tooth cover between the top of bucket tooth front end, be equipped with two rubber cushion a respectively between the knife plate protective structure of survey in the protective sleeve structure of tooth cover and bucket tooth rear end both sides, reduce the impact force of the major structure of bucket tooth to the knife plate in the use.
The gear sleeve is an arc-shaped surface in direct contact with the material, so that the frictional wear of the material and the gear sleeve is reduced, and the service life of the gear sleeve is prolonged.
Has the advantages that: the extended structures are arranged on the two sides of the bucket tooth, so that a welding seam structure between the bucket tooth main body structure and the blade plate is protected, the welding seam is prevented from being directly contacted with materials, the condition that the welding seam is damaged by friction and abrasion and is cracked and damaged is reduced, the welding seam on one side of the bucket tooth extends to one side of the bucket tooth extending structure, and the bucket tooth and the blade plate are combined more stably; the bucket tooth is divided into a bucket tooth rear end part and a bucket tooth front end part, and the two parts are connected by a fixing assembly consisting of a screw and a gasket, so that the combination is more stable; the front end part of the bucket tooth and the tooth sleeve can be replaced according to actual working conditions, and various working scenes can be flexibly adapted. For the excavator for industrial and mining enterprises, the front end of the bucket tooth and the tooth sleeve with arc structures can be adopted, the excavating resistance is reduced, the service life of the excavator bucket is prolonged, the width of the front end of the tooth sleeve is properly increased, the shaking of materials can be reduced when the excavator shovels and transports the materials, and the operation efficiency is improved; the bucket tooth greatly reduces the tendency of cracking of the welding line at the front edge of the blade plate, prolongs the service life of the blade plate assembly part, and is more flexible and convenient to install and replace. According to the invention, the bucket tooth structure and the tooth sleeve corresponding to the bucket tooth structure are replaced, so that the excavator can better adapt to different working scenes, the applicability of the excavator to different working conditions and the working efficiency are improved, and the excavator can be widely applied to the field especially for mining excavators with complex construction conditions.
Drawings
FIG. 1 is an exploded view of the construction of the excavator tooth construction of the present invention;
FIG. 2 is a left side view of a tooth of the excavator tooth structure of the present invention;
FIG. 3 is a schematic structural view of a screw fixing assembly A of the excavator bucket tooth structure of the present invention;
FIG. 4 is a front view of a tooth of the excavator tooth construction of the present invention;
in the figure: 1-cutting plate, 2-welding seam structure, 3-bucket tooth rear end, 4-rubber cushion block a, 5-gasket screw, 6-gasket component a, 7-gasket component b, 8-rubber cushion block b, 9-bucket tooth front end, 10-rubber cushion block c, 11-tooth sleeve and 12-screw group
Detailed Description
The technical solution in the embodiment of the present invention will be further described with reference to the accompanying drawings in the embodiment of the present invention.
As shown in fig. 1, 2 and 4, the present invention provides an excavator tooth structure, including: excavator bucket tooth structure, including the bucket tooth major structure that sets up on excavator cutting edge board 1, bucket tooth major structure includes bucket tooth front end 9 and bucket tooth rear end 3 two parts of interconnect, bucket tooth rear end 3 stretches out a part forward, make bucket tooth front and back two parts faying face bigger, can more closely combine, and facilitate the preinstallation and the fixed of bucket tooth front end 9, the tooth cover 11 that wraps up its whole is still equipped with on bucket tooth front end 9, the upper and lower both sides of bucket cutting edge board 1 are held to bucket tooth rear end 3 afterbody through the extending structure, the both sides of bucket cutting edge board 1 that the extending structure of bucket tooth rear end 3 afterbody contacts with bucket cutting edge board 1 are equipped with thickening respectively and lengthen out cutting edge board 1 protective structure, be equipped with weld seam structure 2 between bucket tooth rear end 3 afterbody extending structure and bucket cutting edge board 1, weld seam structure 2 is up to cutting edge board 1 protective structure's periphery, the extending structure and cutting edge 1 protective structure of bucket tooth rear end 3 afterbody are used for protecting the weld seam, the service life is prolonged, the head of the bucket tooth rear end 3 is provided with a protrusion, the tail of the bucket tooth front end 9 is internally provided with a groove matched with the protrusion in installation, and the two sides of the joint between the bucket tooth rear end 3 and the bucket tooth front end 9 are fixed through a gasket screw group.
The bucket tooth rear end 3 is fixed on the cutting edge plate 1 in a welding mode, the bucket tooth front end 9 is sleeved on the bucket tooth rear end 3 for pre-fixing, and the two sides of the bucket tooth front end 9 and the bucket tooth rear end 3 are respectively provided with a gasket screw 5 for fixing by a fixing component A, so that the bucket tooth front end 9 is sleeved on the two parts of the bucket tooth rear end 3 for fastening and convenient disassembly; the bucket tooth main body is divided into the bucket tooth front end 9 and the bucket tooth rear end 3, so that when the bucket tooth faces different working conditions, different working scenes can be quickly and specifically dealt with only by replacing the bucket tooth front end 9 and the adaptive tooth sleeve 11 when the bucket tooth is replaced, and the using scenes are more flexible and convenient; particularly for the mining excavator, the working condition is complex, the construction difficulty is high, the bucket teeth are replaced more frequently, and the design can be widely applied to the mining excavator.
As shown in fig. 3, the gasket screw fixing assembly a includes two longitudinal gasket assemblies b7 arranged in a long and short manner, a short gasket assembly b7 is arranged at the front end 9 of the bucket tooth, a long gasket assembly b7 is arranged at the rear end 3 of the bucket tooth, two ends of the two gasket assemblies a6 are respectively fixedly connected with two ends of two longitudinal gasket assemblies b7 arranged in a long and short manner through screws 5, and the two gasket assemblies a and the two gasket assemblies b are adopted to be connected, so that the connection stability of the screw fixing assembly a can be improved.
Claims (6)
1. The utility model provides an excavator bucket tooth structure which characterized in that: the bucket tooth structure comprises a bucket tooth main body structure arranged on an excavator blade plate (1), wherein the bucket tooth main body structure comprises a bucket tooth front end (9) and a bucket tooth rear end (3) which are connected with each other, a part of the bucket tooth rear end (3) extends forwards, so that the combined surface of the front part and the rear part of the bucket tooth is larger, the bucket tooth front end and the rear part can be combined more tightly, the bucket tooth front end (9) is convenient to pre-install and fix, a tooth sleeve (11) which integrally wraps the bucket tooth front end (9) is also arranged on the bucket tooth front end (9), the tail part of the bucket tooth rear end (3) is clamped on the upper side and the lower side of the bucket blade plate (1) through an extension structure, thickened and extended blade plate (1) protection structures are respectively arranged on the two sides of the contact part of the extension structure of the tail part of the bucket tooth rear end (3) and the bucket blade plate (1), a welding seam structure (2) is arranged between the extension structure of the tail part of the bucket tooth rear end (3) and the bucket blade plate (, the extension structure of bucket tooth rear end (3) afterbody and cutting edge board (1) protective structure are used for protecting the welding seam, improve life, and the head of bucket tooth rear end (3) is equipped with the arch, is equipped with the recess that matches with protruding installation in the afterbody of bucket tooth front end (9), and the both sides of junction are passed through gasket screw group between bucket tooth rear end (3) and the bucket tooth front end (9) and are fixed.
2. The excavator tooth structure of claim 1, wherein: the bucket tooth rear end (3) is fixed on the cutting edge plate (1) in a welding mode, the bucket tooth front end (9) is sleeved on the bucket tooth rear end (3) for pre-fixing, and then gasket screw fixing assemblies A are respectively arranged on the two sides of the bucket tooth front end (9) and the bucket tooth rear end (3) for fixing, so that the bucket tooth front end (9) sleeve and the bucket tooth rear end (3) are fastened and are convenient to detach; the bucket tooth main body is divided into the bucket tooth front end (9) and the bucket tooth rear end (3), so that when the bucket tooth faces different working conditions, the bucket tooth can be quickly and specifically adapted to different working scenes only by replacing the bucket tooth front end (9) and the adaptive tooth sleeve (11) when the bucket tooth is replaced, and the using scenes are more flexible and convenient; particularly for the mining excavator, the working condition is complex, the construction difficulty is high, the bucket teeth are replaced more frequently, and the design can be widely applied to the mining excavator.
3. The excavator tooth structure of claim 2, wherein: the fixed subassembly A of gasket screw (5) includes the gasket subassembly b (7) side of two vertical settings of a length, and establish at bucket tooth front end (9) short gasket subassembly b (7), and establish in bucket tooth rear end (3) side long gasket subassembly b (7), and the both ends of two gasket subassemblies a (6) are passed through screw (5) respectively with the both ends fixed link of the gasket subassembly b (7) of two vertical settings of a length, adopt two gasket subassemblies a and two gasket subassemblies b to connect, can improve the stability that the fixed subassembly A of screw connects.
4. The excavator tooth structure of claim 1, wherein: tooth cover (11) extend and the cladding is structural in the extension of bucket tooth both sides, form three point support, make the atress condition of bucket tooth and cutting edge board (1) overall structure when using more stable, tooth cover (11) both sides are equipped with the protective sheath structure who covers cutting edge board (1) protection architecture of fighting tooth rear end (3), the structural screw group (12) that are equipped with cutting edge board (1) protection architecture fastening of protective sheath, every screw group (12) of group includes two screws that are the contained angle symmetry and set up, it is nimble to change.
5. The excavator tooth structure of claims 1 and 4, wherein: be equipped with rubber cushion b (8) that play the effect that slows down the impact between the protruding top of bucket tooth front end (9) and the recess in bucket tooth front end (9), be equipped with rubber cushion c in tooth cover (11) and between the top of bucket tooth front end (9), be equipped with two rubber cushion a (4) respectively between sword board (1) the protection architecture of survey in the protective sheath structure of tooth cover (11) and bucket tooth rear end (3) both sides, reduce the impact force of the major structure of bucket tooth to sword board (1) in the use.
6. The excavator tooth structure of claim 1, wherein: tooth cover (11) are the arcwall face with material direct contact face to reduce the frictional wear of material and tooth cover (11), improve the life of tooth cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637500.1A CN111733923B (en) | 2020-07-03 | 2020-07-03 | Excavator bucket tooth structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637500.1A CN111733923B (en) | 2020-07-03 | 2020-07-03 | Excavator bucket tooth structure |
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| Publication Number | Publication Date |
|---|---|
| CN111733923A true CN111733923A (en) | 2020-10-02 |
| CN111733923B CN111733923B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010637500.1A Active CN111733923B (en) | 2020-07-03 | 2020-07-03 | Excavator bucket tooth structure |
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| Country | Link |
|---|---|
| CN (1) | CN111733923B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6729051B1 (en) * | 2002-01-09 | 2004-05-04 | Apac Inc. | Front end loader retractable attachment |
| CN104947736A (en) * | 2015-06-15 | 2015-09-30 | 柳州柳工挖掘机有限公司 | Bucket |
| CN105332400A (en) * | 2015-11-19 | 2016-02-17 | 如皋市华阳铝制品有限公司 | Novel buffer type excavator toothholder and bucket tooth combination device |
| CN108729497A (en) * | 2018-07-16 | 2018-11-02 | 宁波市鄞州精铸五金厂 | A kind of excavator bucket teeth |
| EP3341532B1 (en) * | 2015-08-24 | 2019-08-21 | Caterpillar Inc. | Shroud collar for edge protection of a work tool |
-
2020
- 2020-07-03 CN CN202010637500.1A patent/CN111733923B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6729051B1 (en) * | 2002-01-09 | 2004-05-04 | Apac Inc. | Front end loader retractable attachment |
| CN104947736A (en) * | 2015-06-15 | 2015-09-30 | 柳州柳工挖掘机有限公司 | Bucket |
| EP3341532B1 (en) * | 2015-08-24 | 2019-08-21 | Caterpillar Inc. | Shroud collar for edge protection of a work tool |
| CN105332400A (en) * | 2015-11-19 | 2016-02-17 | 如皋市华阳铝制品有限公司 | Novel buffer type excavator toothholder and bucket tooth combination device |
| CN108729497A (en) * | 2018-07-16 | 2018-11-02 | 宁波市鄞州精铸五金厂 | A kind of excavator bucket teeth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111733923B (en) | 2021-04-27 |
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