CN104452847A - Loader bucket transformation process - Google Patents
Loader bucket transformation process Download PDFInfo
- Publication number
- CN104452847A CN104452847A CN201410730905.4A CN201410730905A CN104452847A CN 104452847 A CN104452847 A CN 104452847A CN 201410730905 A CN201410730905 A CN 201410730905A CN 104452847 A CN104452847 A CN 104452847A
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- bucket
- scraper bowl
- headwall
- welding
- transformation process
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Abstract
The invention discloses a loader bucket transformation process. The loader bucket transformation process comprises the following steps: articulating a bucket connected with a lifting arm with and extending to the front end of the bottom of the bucket; sealing wedge-shaped plates on two surfaces of the bucket to form a box-shape structure; connecting and welding fixedly the upper part of a bucket wall with the side walls by utilizing reinforcing plates, and increasing the size of a steel angle for welding in a bucket body length direction at the upper part of the bucket wall to 1.2 times; utilizing a nine-degree upwarping structure for the bottom of the bucket wall according to the characteristics of a bulk material shoveling operation; additionally mounting a wear-resisting plate and angle-protection bucket teeth, and utilizing a main cutting board made of high-strength and high-durability cast steel material and a side cutting board with a widened bottom; cancelling an upper baffle at the upper edge of the bucket, and increasing the direct upward extension size of the upper end of the bucket wall to 1.3 times according to the motion trail. The loader bucket transformation process provided by the invention can overcome such defects as high fault rate, large maintenance difficulty and low reliability in the prior art so as to achieve the advantages of low fault rate, small maintenance difficulty and high reliability.
Description
Technical field
The present invention relates to field of mechanical technique, particularly, relate to a kind of reforming technology of loading shovel.
Background technology
Loading shovel when continuous print high strength operating mode uses, there will be snap, tear, the boring phenomenon of the failure such as to be scattered in excessive wear and lifting, this is caused by material density super-strength uses, a strength assurance coefficient deficiency main cause especially of scraper bowl.In the ordinary course of things, the welding of scraper bowl bearing will inevitably produce very important welding residual deformation.And post welding distortion is corrected, not only uneconomical but also its functional reliability of grievous injury.
Usually there is fracture crack with the weld surveying backplate in the both sides bucket tooth of loading shovel, these crackles even extend on all welding line structures at whole bucket lip (flat board of edge bucket tooth) position, causes serious fracture damage and reduce the functional performance of scraper bowl.The fracture crack formed is expanded gradually by under the vibration of equipment utilization and the effect of operation external force, and the final large area fracture crack that formed makes scraper bowl reduce or lose use value.
Realizing in process of the present invention, inventor finds at least to exist in prior art the defect such as fault rate is high, maintenance difficulties is large and reliability is low.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of reforming technology of loading shovel, to realize failure rate is low, maintenance difficulties is little and reliability is high advantage.
For achieving the above object, the technical solution used in the present invention is: a kind of reforming technology of loading shovel, comprising:
(1) adopt that the scraper bowl that is connected with lift arm is hinged extends downward scraper bowl bottom front, two sides clapboard sealing becomes box structure;
(2) use stiffener that headwall top is connected solid welding with sidewall, headwall top is along the larger to 1.2 times of bucket body length direction welding angle steel;
(3) pretend the feature of industry according to loose unpacked material shovel, adopt 9 degree bottom headwall and upwarp structure;
(4) by installing wearing plate, corner protector bucket tooth additional, the side tool plate that the operator plate using high-strength, high-anti-friction cast steel material to make and bottom are widened;
(5) cancel the overhead gage quilt of eaves on scraper bowl, by movement locus, headwall upper end is directly to upper extension incremental sizes to 1.3 times.
The reforming technology of the loading shovel of various embodiments of the present invention, owing to comprising: the scraper bowl that employing is connected with lift arm is hinged extends downward scraper bowl bottom front, and two sides clapboard sealing becomes box structure; Use stiffener that headwall top is connected solid welding with sidewall, headwall top is along the larger to 1.2 times of bucket body length direction welding angle steel; Pretend the feature of industry according to loose unpacked material shovel, adopt 9 degree bottom headwall and upwarp structure; By installing wearing plate, corner protector bucket tooth additional, the side tool plate that the operator plate using high-strength, high-anti-friction cast steel material to make and bottom are widened; Cancel the overhead gage quilt of eaves on scraper bowl, by movement locus, headwall upper end is directly to upper extension incremental sizes to 1.3 times; Thus the defect that in prior art, fault rate is high, maintenance difficulties is large and reliability is low can be overcome, to realize failure rate is low, maintenance difficulties is little and reliability is high advantage.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from manual, or understand by implementing the present invention.
Below by embodiment, technical scheme of the present invention is described in further detail.
Detailed description of the invention
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
According to the embodiment of the present invention, provide a kind of reforming technology of loading shovel.
Technical scheme of the present invention, for the weak point that prior art exists, to have carried out in structure the optimization on transformation and bead-welding technology to loading shovel, has realized a kind of loading shovel with high strength, low cost.After this loading shovel improves when continuous print high strength operating mode uses, there will not be snap, tear, the boring phenomenon of the failure such as to be scattered in excessive wear and lifting.Technical scheme of the present invention, can realize product batch production, expand selling market, increase scope of the enterprise.
Technical scheme of the present invention, by adopting, the scraper bowl be connected with lift arm is hinged extends downward scraper bowl bottom front, two sides clapboard sealing becomes box structure, considerably increase scraper bowl bottom strength, shovel fishplate bar also to extend upwardly on reinforcing angle simultaneously, form skeleton construction, all improve a lot than former rigidity and intensity; Use stiffener that headwall top is connected solid welding with sidewall; Top rigidity, along the larger of bucket body length direction welding angle steel, is improved in headwall top; 7 degree are adopted to upwarp structure to reduce shovel dress resistance bottom headwall; Install wearing plate, corner protector bucket tooth additional, the side tool plate that the operator plate using high-strength, high-anti-friction cast steel material to make and bottom are widened, at the wear-resisting stiffener of plate-side plate welding, headwall upper end is directly to upper extension incremental sizes.Bead-welding technology adopts the built-up welding of flux-cored wire consumable electrode gas-arc.
When technical scheme of the present invention completes, the key technical indexes: the scraper bowl integral rigidity after improvement and intensity are improved, and scraper bowl hardness reaches 40HRC.After bead-welding technology is optimized, overlay cladding thickness is reduced to 3mm by 6mm, and surfacing hardness is at more than 40HRC; Application patent of invention 2, forms 1 new product and new technology.Major economic indicators: estimate that realizing producing loading shovel 2000 per year overlaps/year, often overlap price 12000 yuan, estimate that annual value of production can reach 2,400 ten thousand yuan, profits tax 470,000 yuan, net profit 520,000 yuan, create more jobs personnel 10 people.
The main technical content of technical solution of the present invention:
1, improved by following design thus improve the scraper bowl accuracy of manufacture and scraper bowl integral rigidity and intensity, reducing welding deformation and welding interior stress impact.
(1) for the bottom strength problem of scraper bowl, we adopt, and the scraper bowl be connected with lift arm is hinged extends downward scraper bowl bottom front, and two sides clapboard sealing becomes box structure, considerably increases scraper bowl bottom strength;
(2) use stiffener that headwall top is connected solid welding with sidewall, top rigidity, along the larger to 1.2 times of bucket body length direction welding angle steel, is improved in headwall top.
(3) feature and user's Experience Feedback in use of industry is pretended according to loose unpacked material shovel, and statistical computation and analysis results etc., adopt 9 degree to upwarp structure to reduce shovel dress resistance bottom headwall.
(4) for scraper bowl wear problem, we are by installing wearing plate, corner protector bucket tooth additional, the side tool plate that the operator plate using high-strength, high-anti-friction cast steel material to make and bottom are widened;
(5) on scraper bowl, the overhead gage of eaves is cancelled, and by movement locus, headwall upper end is directly to upper extension incremental sizes to 1.3 times, and thorough degree solves material and to fall problem to recession.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. a reforming technology for loading shovel, is characterized in that, comprising:
(1) adopt that the scraper bowl that is connected with lift arm is hinged extends downward scraper bowl bottom front, two sides clapboard sealing becomes box structure;
(2) use stiffener that headwall top is connected solid welding with sidewall, headwall top is along the larger to 1.2 times of bucket body length direction welding angle steel;
(3) pretend the feature of industry according to loose unpacked material shovel, adopt 9 degree bottom headwall and upwarp structure;
(4) by installing wearing plate, corner protector bucket tooth additional, the side tool plate that the operator plate using high-strength, high-anti-friction cast steel material to make and bottom are widened;
(5) cancel the overhead gage quilt of eaves on scraper bowl, by movement locus, headwall upper end is directly to upper extension incremental sizes to 1.3 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730905.4A CN104452847A (en) | 2014-12-05 | 2014-12-05 | Loader bucket transformation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730905.4A CN104452847A (en) | 2014-12-05 | 2014-12-05 | Loader bucket transformation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104452847A true CN104452847A (en) | 2015-03-25 |
Family
ID=52899547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410730905.4A Pending CN104452847A (en) | 2014-12-05 | 2014-12-05 | Loader bucket transformation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104452847A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10280466A (en) * | 1997-04-10 | 1998-10-20 | Touji Setsubi:Kk | Bucket protector for power shovel |
| CN201148627Y (en) * | 2008-01-14 | 2008-11-12 | 龙工(上海)机械制造有限公司 | Loader shovel wall upper end frame construction |
| CN201722720U (en) * | 2010-07-22 | 2011-01-26 | 福清市隆兴工程机械厂 | Bucket wall structure of digging bucket of loading machine |
| CN202175982U (en) * | 2011-07-28 | 2012-03-28 | 贵州詹阳动力重工有限公司 | Rock type excavator bucket |
| CN202850080U (en) * | 2012-09-26 | 2013-04-03 | 山东临工工程机械有限公司 | Scraper pan of loading machine |
| CN103422015A (en) * | 2013-08-01 | 2013-12-04 | 成都市新筑路桥机械股份有限公司 | Wear resistant plate and application in excavating machine bucket |
| CN203654357U (en) * | 2013-07-24 | 2014-06-18 | 三一重机有限公司 | Bucket and excavating machine |
-
2014
- 2014-12-05 CN CN201410730905.4A patent/CN104452847A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10280466A (en) * | 1997-04-10 | 1998-10-20 | Touji Setsubi:Kk | Bucket protector for power shovel |
| CN201148627Y (en) * | 2008-01-14 | 2008-11-12 | 龙工(上海)机械制造有限公司 | Loader shovel wall upper end frame construction |
| CN201722720U (en) * | 2010-07-22 | 2011-01-26 | 福清市隆兴工程机械厂 | Bucket wall structure of digging bucket of loading machine |
| CN202175982U (en) * | 2011-07-28 | 2012-03-28 | 贵州詹阳动力重工有限公司 | Rock type excavator bucket |
| CN202850080U (en) * | 2012-09-26 | 2013-04-03 | 山东临工工程机械有限公司 | Scraper pan of loading machine |
| CN203654357U (en) * | 2013-07-24 | 2014-06-18 | 三一重机有限公司 | Bucket and excavating machine |
| CN103422015A (en) * | 2013-08-01 | 2013-12-04 | 成都市新筑路桥机械股份有限公司 | Wear resistant plate and application in excavating machine bucket |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |