CN111321773A - Excavator bucket shoulder pad - Google Patents
Excavator bucket shoulder pad Download PDFInfo
- Publication number
- CN111321773A CN111321773A CN202010287868.XA CN202010287868A CN111321773A CN 111321773 A CN111321773 A CN 111321773A CN 202010287868 A CN202010287868 A CN 202010287868A CN 111321773 A CN111321773 A CN 111321773A
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- China
- Prior art keywords
- alloy metal
- metal plate
- composite alloy
- hole
- shaped
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910002065 alloy metal Inorganic materials 0.000 claims abstract description 48
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 230000001012 protector Effects 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
Abstract
The invention relates to the technical field of excavators, in particular to an excavator bucket shoulder protector which comprises a U-shaped composite alloy metal plate, wherein the composite alloy metal plate is sleeved on an excavator bucket, two sides of the composite alloy metal plate are respectively provided with a positioning hole and a strip-shaped through hole, the excavator bucket is provided with a pin bolt hole corresponding to the positioning hole, the pin bolt hole and the strip-shaped through hole are communicated, the composite alloy metal plate, the pin bolt and the limiting block are arranged, the composite alloy metal plate can be rapidly installed on the excavator bucket, when the abraded composite alloy metal plate needs to be replaced, the limiting block is hammered by an iron hammer, the pin bolt is extruded from the left side, the pin bolt is tilted out by tools such as pliers and the like, the excavator bucket shoulder protector can be operated by a single person, time and labor are saved, and the service life of the excavator bucket is greatly prolonged by adopting the composite alloy metal plate.
Description
Technical Field
The invention relates to the technical field of excavators, in particular to a bucket shoulder protector of an excavator.
Background
The bucket is an important easily-worn part of the excavator, and the service life of the bucket directly influences the operation efficiency of equipment and the production benefit of enterprises. At present, the bucket protection used by most of enterprise owners is common metal materials even without taking protective measures, the service life of the bucket is often only 1 month, so that a lot of manpower and material resources are needed to repair the bucket in the frequent repair process, and the production efficiency and the construction period are seriously influenced.
At present, a wear-resistant bucket tooth with application number 2017204093502 comprises a bucket tooth seat, a bucket tooth body, a tooth tip, a bucket tooth pin and a bolt; the top of the bucket tooth body and the bottom of the bucket tooth seat are respectively provided with an inserting groove and an inserting piece, the bottom of the inserting groove is provided with an inserting hole penetrating through the bottom of the bucket tooth body, and the top of the tooth tip is provided with a sleeve body; the plug connector is longitudinally inserted in the insertion groove, the bucket tooth seat is connected with the bucket tooth body through the bucket tooth pin, the sleeve body is sleeved at the bottom of the bucket tooth body, the bolt is located in the insertion groove, and one end of the bolt penetrates through the insertion hole and then is in threaded connection with the tooth tip.
Wear-resisting type bucket tooth among the prior art can slow down the wearing and tearing of bucket tooth, but, the wearing and tearing of unable protection bucket, and the cover body adopts ordinary metal material on the one hand, and the wearability is relatively poor, and life is lower, needs often to be changed, and on the other hand utilizes the connected mode of bucket tooth round pin for when the cover body is changed, because too inseparable of bucket tooth round pin junction, be difficult to pull down, lead to wasting time and energy when changing.
Disclosure of Invention
In order to solve the problems, the invention provides a bucket shoulder protector of an excavator.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a bucket shoulder protector of an excavator comprises a composite alloy metal plate with a U-shaped structure, wherein the composite alloy metal plate is sleeved on an excavator bucket, positioning holes and strip-shaped through holes are respectively formed in two sides of the composite alloy metal plate, the bucket is provided with a pin bolt hole corresponding to the positioning hole, the pin bolt hole and the strip-shaped through hole are communicated, a T-shaped pin bolt is inserted inside the groove, a sliding groove is arranged on the side wall of the strip-shaped through hole, a sliding rod is connected in the sliding groove in a sliding way, a limiting block is fixedly connected between the two sliding rods, a return spring is connected between the limiting block and the strip-shaped through hole, a hook groove is arranged at the end part of the pin bolt, and the side wall of the limiting block is provided with a hook claw matched with the hook groove, the composite alloy metal plate comprises a U-shaped substrate, an alloy metal block and an elastic metal sheet, and the U-shaped substrate and the alloy metal block are welded and fixed through the elastic metal sheet.
Preferably, the manufacturing composition of the alloy metal block comprises carbon: 2.8-3.3 parts; chromium: 14-17 parts; molybdenum: 1.0-2.0 parts; manganese: 0.5-1.5 parts; silicon: 0.5-1.5 parts; nickel: 0-5.0 parts; copper: 0.2-0.5 part; boron: 0.1 to 0.2 portion.
Preferably, the production process of the composite alloy metal plate comprises the following steps:
s1: manufacturing the shell by using a shooting machine;
s2: melting carbon, chromium, molybdenum, manganese, silicon, nickel, copper and boron materials by using a medium-frequency induction furnace to obtain a liquid alloy;
s3: pouring the liquid alloy into the shell to obtain a blank;
s4: polishing the surface of the blank to obtain a semi-finished product;
s5: and quenching and tempering the semi-finished product to obtain a final composite alloy metal plate finished product.
Preferably, the thickness of the composite alloy metal plate is greater than 20 mm.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the excavator bucket shoulder protector, the composite alloy metal plate, the pin bolt and the limiting block are arranged, the excavator bucket shoulder protector can be quickly installed on an excavator bucket, when the abraded composite alloy metal plate needs to be replaced, the limiting block is hammered by the hammer, the pin bolt is extruded from the left side, at the moment, the pin bolt is tilted out by using tools such as a pliers and the like, the excavator bucket shoulder protector can be operated by one person, time and labor are saved, the service life of the composite alloy metal plate is greatly prolonged by adopting the composite alloy metal plate with the working face hardness of more than HRC63, the excavator bucket is further protected, and the service life of the excavator bucket is greatly prolonged.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: the combined metal bucket comprises a composite alloy metal plate 1, a bucket 2, a positioning hole 3, a strip-shaped through hole 4, a pin bolt hole 5, a pin bolt 6, a sliding rod 7, a limiting block 8, a return spring 9, a hook groove 10, a hook claw 11, a U-shaped substrate 12, an alloy metal block 13 and an elastic metal sheet 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
a bucket shoulder protector of an excavator comprises a composite alloy metal plate 1 of a U-shaped structure, wherein the composite alloy metal plate 1 is sleeved on a bucket 2, two sides of the composite alloy metal plate 1 are respectively provided with a positioning hole 3 and a strip-shaped through hole 4, the bucket 2 is provided with a pin hole 5 corresponding to the positioning hole 3, the pin hole 5 and the strip-shaped through hole 4 are communicated, a T-shaped pin 6 is inserted in the positioning hole, the side wall of the strip-shaped through hole 4 is provided with a sliding groove, a sliding rod 7 is connected in the sliding groove in a sliding manner, a limiting block 8 is fixedly connected between the two sliding rods 7, a reset spring 9 is connected between the limiting block 8 and the strip-shaped through hole 4, the end part of the pin 6 is provided with a hook groove 10, the side wall of the limiting block 8 is provided with a hook 11 matched with the hook groove 10, the composite alloy metal plate 1 comprises a U-shaped base plate 12, an alloy, the U-shaped substrate 12 and the alloy metal block 13 are welded and fixed through the elastic metal sheet 14, the alloy metal block 13 is used for prolonging the service life of the composite alloy metal plate 1, and the elastic metal sheet 14 can play a role in buffering during working so as to protect the U-shaped substrate 12 and the alloy metal block 13.
When needing to dismantle and changing composite alloy metal sheet 1, with colluding claw 11 on the stopper 8 and pulling downwards, slide bar 7 slides in the spout, reset spring 9 is stretched, colludes claw 11 on the stopper 8 and links to colluding groove 10 on, through hammer hammering stopper 8 this moment for cotter 6 is extruded from the left side, instrument such as reuse pliers this moment with cotter 6 perk out can, single can operate labour saving and time saving.
Preferably, the manufacturing composition of the composite alloy metal plate 1 includes carbon: 2.8-3.3 parts; chromium: 14-17 parts; molybdenum: 1.0-2.0 parts; manganese: 0.5-1.5 parts; silicon: 0.5-1.5 parts; nickel: 0-5.0 parts; copper: 0.2-0.5 part; boron: 0.1 to 0.2 portion.
Preferably, the production process of the composite alloy metal plate 1 comprises the following steps:
s1: manufacturing the shell by using a shooting machine;
s2: melting carbon, chromium, molybdenum, manganese, silicon, nickel, copper and boron materials by using a medium-frequency induction furnace to obtain a liquid alloy;
s3: pouring the liquid alloy into the shell to obtain a blank;
s4: polishing the surface of the blank to obtain a semi-finished product;
s5: and quenching and tempering the semi-finished product to obtain a final composite alloy metal plate 1 finished product.
By the technical means, the hardness of the working surface of the composite alloy metal plate 1 is more than HRC63, and the service life of the composite alloy metal plate 1 is greatly prolonged.
Preferably, the thickness of the composite alloy metal plate 1 is more than 20 mm.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; the connection can be mechanical connection or electric welding connection; they may be directly connected or indirectly connected through intervening media, or they may be connected through the interior of two elements or through the interaction of two or more elements unless expressly limited otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. A bucket shoulder protector of an excavator is characterized by comprising a composite alloy metal plate with a U-shaped structure, the composite alloy metal plate is sleeved on the bucket, the two sides of the composite alloy metal plate are respectively provided with a positioning hole and a strip-shaped through hole, the bucket is provided with a pin bolt hole corresponding to the positioning hole, the pin bolt hole and the strip-shaped through hole are communicated, a T-shaped pin bolt is inserted inside the groove, a sliding groove is arranged on the side wall of the strip-shaped through hole, a sliding rod is connected in the sliding groove in a sliding way, a limiting block is fixedly connected between the two sliding rods, a return spring is connected between the limiting block and the strip-shaped through hole, a hook groove is arranged at the end part of the pin bolt, and the side wall of the limiting block is provided with a hook claw matched with the hook groove, the composite alloy metal plate comprises a U-shaped substrate, an alloy metal block and an elastic metal sheet, and the U-shaped substrate and the alloy metal block are welded and fixed through the elastic metal sheet.
2. The excavator bucket shoulder pad of claim 1, wherein: the manufacturing composition of the alloy metal block comprises carbon: 2.8-3.3 parts; chromium: 14-17 parts; molybdenum: 1.0-2.0 parts; manganese: 0.5-1.5 parts; silicon: 0.5-1.5 parts; nickel: 0-5.0 parts; copper: 0.2-0.5 part; boron: 0.1 to 0.2 portion.
3. The excavator bucket shoulder pad of claim 2 wherein: the production process of the composite alloy metal plate comprises the following steps:
s1: manufacturing the shell by using a shooting machine;
s2: melting carbon, chromium, molybdenum, manganese, silicon, nickel, copper and boron materials by using a medium-frequency induction furnace to obtain a liquid alloy;
s3: pouring the liquid alloy into the shell to obtain a blank;
s4: polishing the surface of the blank to obtain a semi-finished product;
s5: and quenching and tempering the semi-finished product to obtain a final composite alloy metal plate finished product.
4. The excavator bucket shoulder pad of claim 3, wherein: the thickness of the composite alloy metal plate is more than 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010287868.XA CN111321773A (en) | 2020-04-13 | 2020-04-13 | Excavator bucket shoulder pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010287868.XA CN111321773A (en) | 2020-04-13 | 2020-04-13 | Excavator bucket shoulder pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111321773A true CN111321773A (en) | 2020-06-23 |
Family
ID=71164525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010287868.XA Pending CN111321773A (en) | 2020-04-13 | 2020-04-13 | Excavator bucket shoulder pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111321773A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257870Y (en) * | 1995-12-20 | 1997-07-16 | 刘有志 | Expansion bolt assembly |
| CN101705435A (en) * | 2008-04-23 | 2010-05-12 | 安徽省凤形耐磨材料股份有限公司 | Production method of ultrahard high-chromium cast grinding ball |
| CN102876911A (en) * | 2012-10-12 | 2013-01-16 | 无锡英特派金属制品有限公司 | Method for manufacturing dispersion-strengthened platinum-rhodium alloy sheet |
| US20170009431A1 (en) * | 2016-09-20 | 2017-01-12 | Caterpillar Inc. | Wing shroud retention system for a bucket of a machine |
| CN209955445U (en) * | 2019-01-10 | 2020-01-17 | 安徽弘雷金属复合材料科技有限公司 | High-strength N08031 alloy and austenitic stainless steel explosion welding composite metal plate |
| CN212772557U (en) * | 2020-04-13 | 2021-03-23 | 湖南海斯特材料科技有限公司 | Excavator bucket shoulder pad |
-
2020
- 2020-04-13 CN CN202010287868.XA patent/CN111321773A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257870Y (en) * | 1995-12-20 | 1997-07-16 | 刘有志 | Expansion bolt assembly |
| CN101705435A (en) * | 2008-04-23 | 2010-05-12 | 安徽省凤形耐磨材料股份有限公司 | Production method of ultrahard high-chromium cast grinding ball |
| CN102876911A (en) * | 2012-10-12 | 2013-01-16 | 无锡英特派金属制品有限公司 | Method for manufacturing dispersion-strengthened platinum-rhodium alloy sheet |
| US20170009431A1 (en) * | 2016-09-20 | 2017-01-12 | Caterpillar Inc. | Wing shroud retention system for a bucket of a machine |
| CN209955445U (en) * | 2019-01-10 | 2020-01-17 | 安徽弘雷金属复合材料科技有限公司 | High-strength N08031 alloy and austenitic stainless steel explosion welding composite metal plate |
| CN212772557U (en) * | 2020-04-13 | 2021-03-23 | 湖南海斯特材料科技有限公司 | Excavator bucket shoulder pad |
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