CN106638736A - Manufacturing method for bucket rod device of mineral crowd-shovel hydraulic excavator and product thereof - Google Patents
Manufacturing method for bucket rod device of mineral crowd-shovel hydraulic excavator and product thereof Download PDFInfo
- Publication number
- CN106638736A CN106638736A CN201710025872.7A CN201710025872A CN106638736A CN 106638736 A CN106638736 A CN 106638736A CN 201710025872 A CN201710025872 A CN 201710025872A CN 106638736 A CN106638736 A CN 106638736A
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- dipper
- hinged
- model
- hydraulic excavator
- shovel hydraulic
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229910052500 inorganic mineral Inorganic materials 0.000 title abstract 3
- 239000011707 mineral Substances 0.000 title abstract 3
- 238000004088 simulation Methods 0.000 claims abstract description 13
- 238000009412 basement excavation Methods 0.000 claims abstract description 3
- 238000005457 optimization Methods 0.000 claims description 20
- 238000005065 mining Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 238000004458 analytical method Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000005094 computer simulation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a manufacturing method for a bucket rod device of a mineral crowd-shovel hydraulic excavator and a product thereof. The manufacturing method includes the following steps that a three-dimensional geometric model of a bucket rod is established according to original data of a working device of the large crow-shovel hydraulic excavator, and introduced into finite element software and many-body dynamic software for processing, and many-body dynamic simulation of excavation of the working device is carried out; corresponding parts meeting conditions are manufactured according to the simulation model of the bucket rod, and assembled, and the final complete bucket rod device is obtained. The product comprises two triangular supporting assemblies, at least one transverse beam and a bottom box; each supporting assembly comprises an upper beam, a lower beam, a supporting beam, a first hinged box, a second hinged box and a hinged lug plate used for being connected with an oil cylinder of the excavator. The manufacturing method and the product have the advantages that according to the requirement for the lightweight of the mineral crowd-shovel hydraulic excavator at the 400-t-to-600-t level, the weight of the excavator is reduced, and the whole performance and the working efficiency of the working device are improved.
Description
Technical field
The present invention relates to a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator and products thereof, is especially suitable for
In the bucket rod apparatus rod of 400～600 tonnes of Face-shovel Hydraulic Excavator.
Background technology
Large hydraulic excavator is contemporary engineering construction, the important tool of ore production.Equipment is hydraulic crawler excavator
Topmost execution unit, is mainly made up of swing arm, dipper, scraper bowl, oil cylinder etc., and its service behaviour is that whole machine is advanced with reliability
The important symbol of property.Dress efficiency is adopted in order to improve excavator, and reduces production cost, hydraulic crawler excavator is constantly towards large-scale
Change, lightweight, intelligent development.
The content of the invention
For the lightweight demand of large-scale mine Face-shovel Hydraulic Excavator, the present invention propose one kind do not change dipper intensity,
Under the conditions of operating characteristic etc., optimization simultaneously devises the structure of bucket rod apparatus rod, and alleviate its weight again, improves work clothes
The product that the overall performance put is manufactured with the bucket rod apparatus rod manufacture method of a kind of mining Face-shovel Hydraulic Excavator of operating efficiency.
A kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator of the present invention, comprises the following steps：
1) according to the equipment initial data of large-scale Face-shovel Hydraulic Excavator, bucket is set up in Three-dimensional Design Software such as UG
The 3-D geometric model of bar；
2) 3-D geometric model of dipper is imported and is processed in finite element software, the 3-D geometric model to designing enters
Row stress and strain model sets up its corresponding grid model, and grid model is imported in many-body dynamics software, applies corresponding
Constraint, load and kinematic parameter, are operated device and excavate Dynamics Simulation, and export dipper stress；
3) grid model of dipper is carried out into topological optimization, and dipper is modeled according to the result of optimization, obtain dipper mould
Type；
4) finite element strength and Instability Analysis are carried out to dipper model, and school is carried out to dipper model according to analysis result
Just, new dipper model is obtained；
5) new dipper model is imported in many-body dynamics software again, applies corresponding constraint, load and move
Parameter, is operated device and excavates Dynamics Simulation, and the new dipper model of contrast is digging with not corrected dipper model
Comparison emulation under pick operating mode, it is determined that the performance advantage and feasibility of new dipper model, determine the simulation model of dipper；
6) corresponding qualified parts are produced according to the simulation model of dipper, and corresponding parts is entered into luggage
Match somebody with somebody, obtain final complete bucket rod apparatus rod.
According to a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator of the present invention, it is characterised in that：
The large-scale Face-shovel Hydraulic Excavator refers to the Face-shovel Hydraulic Excavator that weight is 400～600 tons.
According to a kind of product of the bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator of the present invention manufacture, its
It is characterised by：Support component, at least one crossbeam and bottom casing including two panels triangle, in support component described in two panels
Portion is parallel affixed by crossbeam；The bottom of the support component by bottom casing it is affixed, the support component include upper beam, under
Beam, support beam, first are hinged casing, second are hinged casing and are hinged otic placode for what the oil cylinder with excavator was connected, described
The two ends of upper beam turn down to form knuckle to homonymy, and the front end of the upper beam is hinged casing and consolidates with the underbeam front end by first
Connect, it is affixed with the underbeam end that the end of the upper beam is hinged casing by second；The upper beam and underbeam of same support component
Between be connected with least one support beam；It is described to be hinged the bottom that otic placode is distributed on the underbeam and bottom casing and described
It is hinged otic placode and is provided with the first installation through-hole, and two the first installation through-holes are coaxial, described first is hinged the second installation of casing
Through hole is coaxial, described second be hinged casing the 3rd installation through-hole it is coaxial；Described first is hinged casing cuts with scissors with the scraper bowl of excavator
Connect, described second is hinged casing is hinged with the swing arm of excavator, the otic placode that is hinged is hinged with the piston rod of excavation Oil cylinder.
The support component is obtuse triangle structure.
It is affixed by two crossbeams between the support component of two panels triangle.
The upper beam, underbeam, support beam and crossbeam are hollow box beam.
The bottom box house is separated by six pieces of dividing plates.
The invention has the beneficial effects as follows：For the lightweight demand of 400～600 tonnes of mining Face-shovel Hydraulic Excavators, this
Under the conditions of dipper intensity, operating characteristic etc. is not changed, optimization simultaneously devises the structure of bucket rod apparatus rod, and alleviate again for invention
Its weight, improves the overall performance and operating efficiency of equipment.
Description of the drawings
Fig. 1 is one of structure chart of the present invention.
Fig. 2 is the two of the structure chart of the present invention.
Fig. 3 be the present invention be hinged one of structure chart of otic placode.
Fig. 4 be the present invention be hinged one of structure chart of otic placode.
Fig. 5 is one of bottom casing structure chart of the present invention.
Fig. 6 is the two of the bottom casing structure chart of the present invention.
Fig. 7 is the bucket rod structure figure before optimization.
Fig. 8 is the dipper installation diagram before optimization.
Fig. 9 is the dipper scheme of installation after present invention optimization.
Figure 10 is the grid model figure of the present invention.
Figure 11 is the dipper CAE models after the optimization of the present invention.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings：
A kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator of the present invention of embodiment 1, including it is following
Step：
1) according to the equipment initial data of large-scale Face-shovel Hydraulic Excavator, bucket is set up in Three-dimensional Design Software such as UG
The CAD model of the 3-D geometric model of bar, i.e. dipper；
2) 3-D geometric model of dipper is imported and is processed in finite element software such as HyperMesh, three to design
Dimension geometrical model carries out stress and strain model and sets up its corresponding grid model, and to grid model stress and strain model is carried out, and dipper is divided into
Design section and Non-design region two parts, wherein, dark parts are Non-design region in such as Fig. 7, and light-colored part is design area
Domain, by setting up rigid coupling unit in special joint；Then grid model is imported in many-body dynamics software, applies phase
Constraint, load and the kinematic parameter answered, is operated device and excavates Dynamics Simulation, and exports dipper stress；
3) grid model of dipper is carried out into topological optimization, and dipper is modeled according to the result of optimization, obtain dipper mould
Type：
According to the difference of the lower topological structure of different constraints, select the distribution of topological optimization cell density cloud atlas material clear, nothing
More material stacking, and the less topologies of stress；Topological structure is conceptual design model, and being unsatisfactory for manufacturing needs
Ask, and structural stress is more much larger than prototype structure, is unsatisfactory for the requirement of optimization design.Irregular curved surface plane and curved surface
Substitute, circular cylinder is removed, and is replaced with box-girder, so beneficial to processing and manufacturing；Can be by increasing dividing plate where stress is big
Alleviate stress raisers with box beam；Dipper CAE models after structure optimization are as shown in Figure 8；
4) finite element strength and Instability Analysis are carried out to dipper model, and school is carried out to dipper model according to analysis result
Just, new dipper model is obtained：
The entity of bucket rod apparatus rod is redesigned, and is equally welded using Metal plate, but large-sized sheet material component is steady
Qualitative existing defects sensitiveness, must consider the stability problem of sheet material when design；By adding to the weldering of large-scale sheet metal component
The lateral partitions of suitable distance improve the stability of component with waling；
5) new dipper model is imported in many-body dynamics software again, applies corresponding constraint, load and move
Parameter, is operated device and excavates Dynamics Simulation, and the new dipper model of contrast is digging with not corrected dipper model
Comparison emulation under pick operating mode, it is determined that the performance advantage and feasibility of new dipper model, determine the simulation model of dipper；
6) corresponding qualified parts are produced according to the simulation model of dipper, and corresponding parts is entered into luggage
Match somebody with somebody, obtain final complete bucket rod apparatus rod.
According to a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator of the present invention, it is characterised in that：
The large-scale Face-shovel Hydraulic Excavator refers to the Face-shovel Hydraulic Excavator that weight is 400～600 tons.
As a result show：Operation is carried out under operating mode of the same race, the dipper after optimization mitigates 13.3% than quality before optimization, and structure is strong
Degree is more stable, reduces manufacture dipper sheet material type.Meanwhile, the overall structure of the older dipper of new dipper has huge change,
Mainly it is made up of box beam, abandons the global design of the all-box-shape structure of heaviness.Threedimensional model before dipper optimization and after optimization,
As shown in accompanying drawing 7 and accompanying drawing 1,2.Dipper bottom half after optimization is shown in accompanying drawing 5,6.Optimize forward and backward equipment such as accompanying drawing 8,9
It is shown.Large-scale mine Face-shovel Hydraulic Excavator bucket rod structure and product that accompanying drawing 1～6 is proposed, box-structure is right angle, obtuse angle
Or acuter angles, without curve or curved-surface structure, manufactured using welding manner.
According to new, old dipper contrast, there is superiority in new dipper intensity, performance for stability, weight saving 13.3% subtracts
Lack the number of times of welding and taken up space, improve the life-span of bucket rod apparatus rod.Light-weighted design not only saves material, fuel
With manufacturing cost, and the mobility and production efficiency of whole machine are improve, therefore the invention has feasibility and practicality.
Embodiment 2 is manufactured according to a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator of the present invention
Product, including 1, two crossbeams 2 of the support component of two panels triangle and four bottom casings 3, in support component 1 described in two panels
Portion is parallel affixed by crossbeam 2；The bottom of the support component 1 is affixed by bottom casing 3, and the support component 1 includes upper
Beam 11,12, four support beams 13 of underbeam, first are hinged casing 14, second are hinged casing 15 and six pieces and are used for and excavator 4
What oil cylinder 42 connected is hinged otic placode 16, and the two ends of the upper beam 11 turn down to form knuckle to homonymy, and the front end of the upper beam 11 leads to
Cross first and be hinged that casing 14 is affixed with the front end of the underbeam 12, the end of the upper beam 11 by second be hinged casing 15 with it is described
The end of underbeam 12 is affixed；Four support beams 13 are connected between the upper beam 11 and underbeam 12 of same support component 1；It is described to be hinged otic placode
16 bottoms for being distributed on the underbeam 12 and bottom casing 3, and the otic placode 16 that is hinged is provided with the first installation through-hole
161, and two the first installation through-holes 161 are coaxial, described first be hinged casing 14 the second installation through-hole 141 it is coaxial, described the
Two be hinged casing 15 the 3rd installation through-hole 151 it is coaxial；Described first is hinged casing 14 is hinged with the scraper bowl 41 of excavator 4, institute
State second and be hinged casing 15 and be hinged with the swing arm 43 of excavator 4, the otic placode 16 that is hinged cuts with scissors with the piston rod of the oil cylinder 42 of excavator 4
Connect.
The support component 1 is obtuse triangle structure.
It is affixed by two crossbeams 2 between the support component 1 of two panels triangle.
The upper beam 11, underbeam 12, support beam 13 and crossbeam 2 are hollow box beam.
Separated by six pieces of dividing plates inside the bottom casing 3.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, the protection of the present invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator, comprises the following steps：
1) according to the equipment initial data of large-scale Face-shovel Hydraulic Excavator, the 3-D geometric model of dipper is set up；
2) 3-D geometric model of dipper is imported and is processed in finite element software, the 3-D geometric model to designing carries out net
Lattice are divided and set up its corresponding grid model, and grid model is imported in many-body dynamics software, the corresponding constraint of applying,
Load and kinematic parameter, are operated device and excavate Dynamics Simulation, and export dipper stress；
3) grid model of dipper is carried out into topological optimization, and dipper is modeled according to the result of optimization, obtain dipper model；
4) finite element strength and Instability Analysis are carried out to dipper model, and dipper model is corrected according to analysis result, obtained
Obtain new dipper model；
5) new dipper model is imported in many-body dynamics software again, applies corresponding constraint, load and kinematic parameter,
It is operated device and excavates Dynamics Simulation, the new dipper model of contrast is with not corrected dipper model in digging working condition
Under comparison emulation, it is determined that the performance advantage and feasibility of new dipper model, determine the simulation model of dipper；
6) corresponding qualified parts are produced according to the simulation model of dipper, and corresponding parts is assembled, obtained
Obtain finally complete bucket rod apparatus rod.
2. the bucket rod apparatus rod manufacture method of a kind of mining Face-shovel Hydraulic Excavator according to claim 1, it is characterised in that：
The large-scale Face-shovel Hydraulic Excavator refers to the Face-shovel Hydraulic Excavator that weight is 400～600 tons.
3. the product that a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator according to claim 1 is manufactured,
It is characterized in that：Support component, at least one crossbeam and bottom casing including two panels triangle, support component described in two panels
Top is parallel affixed by crossbeam；The bottom of the support component by bottom casing it is affixed, the support component include upper beam,
Underbeam, support beam, first are hinged casing, second are hinged casing and are hinged otic placode, institute for what the oil cylinder with excavator was connected
The two ends for stating upper beam turn down to form knuckle to homonymy, and the front end of the upper beam is hinged casing and consolidates with the underbeam front end by first
Connect, it is affixed with the underbeam end that the end of the upper beam is hinged casing by second；The upper beam and underbeam of same support component
Between be connected with least one support beam；It is described to be hinged the bottom that otic placode is distributed on the underbeam and bottom casing and described
It is hinged otic placode and is provided with the first installation through-hole, and two the first installation through-holes are coaxial, described first is hinged the second installation of casing
Through hole is coaxial, described second be hinged casing the 3rd installation through-hole it is coaxial；Described first is hinged casing cuts with scissors with the scraper bowl of excavator
Connect, described second is hinged casing is hinged with the swing arm of excavator, the otic placode that is hinged is hinged with the piston rod of excavation Oil cylinder.
4. the product that a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator according to claim 3 is manufactured,
It is characterized in that：The support component is obtuse triangle structure.
5. the product that a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator according to claim 4 is manufactured,
It is characterized in that：It is affixed by two crossbeams between the support component of two panels triangle.
6. the product that a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator according to claim 3 is manufactured,
It is characterized in that：The upper beam, underbeam, support beam and crossbeam are hollow box beam.
7. the product that a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator according to claim 3 is manufactured,
It is characterized in that：The bottom box house is separated by six pieces of dividing plates.
8. the product that a kind of bucket rod apparatus rod manufacture method of mining Face-shovel Hydraulic Excavator according to claim 3 is manufactured,
It is characterized in that：The central shaft of first installation through-hole, the central shaft of the second installation through-hole and the 3rd installation through-hole
Central shaft it is parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025872.7A CN106638736A (en) | 2017-01-13 | 2017-01-13 | Manufacturing method for bucket rod device of mineral crowd-shovel hydraulic excavator and product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025872.7A CN106638736A (en) | 2017-01-13 | 2017-01-13 | Manufacturing method for bucket rod device of mineral crowd-shovel hydraulic excavator and product thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106638736A true CN106638736A (en) | 2017-05-10 |
Family
ID=58843529
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710025872.7A Pending CN106638736A (en) | 2017-01-13 | 2017-01-13 | Manufacturing method for bucket rod device of mineral crowd-shovel hydraulic excavator and product thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180142A (en) * | 2017-06-15 | 2017-09-19 | 广西科技大学 | Hydraulic loader loading operation movement locus optimization method |
| CN107239624A (en) * | 2017-06-07 | 2017-10-10 | 重庆大学 | A kind of three-dimensional Atlas Method for studying digger operating device stress characteristics |
| CN109972675A (en) * | 2019-04-23 | 2019-07-05 | 徐州徐工矿业机械有限公司 | A kind of crowd shovel dipper and forward shovel |
| CN110005000A (en) * | 2019-03-22 | 2019-07-12 | 浙江工业大学 | The bucket rod structure of hydraulic excavator for mine |
| CN110173010A (en) * | 2019-06-20 | 2019-08-27 | 徐州徐工矿业机械有限公司 | A kind of more cabinet reverse shovel grab dippers and excavator |
| CN111783259A (en) * | 2020-07-31 | 2020-10-16 | 徐州巴特工程机械股份有限公司 | Safety assessment method for bucket structure |
| CN111980084A (en) * | 2019-05-21 | 2020-11-24 | 迪尔公司 | Structural assembly for a work machine and method of assembling a node and a strut structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107239624A (en) * | 2017-06-07 | 2017-10-10 | 重庆大学 | A kind of three-dimensional Atlas Method for studying digger operating device stress characteristics |
| CN107239624B (en) * | 2017-06-07 | 2020-07-03 | 重庆大学 | Three-dimensional map method for researching stress characteristics of working device of excavator |
| CN107180142A (en) * | 2017-06-15 | 2017-09-19 | 广西科技大学 | Hydraulic loader loading operation movement locus optimization method |
| CN107180142B (en) * | 2017-06-15 | 2020-11-03 | 广西科技大学 | Method for optimizing loading operation movement track of hydraulic loader |
| CN110005000A (en) * | 2019-03-22 | 2019-07-12 | 浙江工业大学 | The bucket rod structure of hydraulic excavator for mine |
| WO2020215784A1 (en) * | 2019-04-23 | 2020-10-29 | 徐州徐工矿业机械有限公司 | Face shovel bucket rod and face shovel excavator |
| CN109972675A (en) * | 2019-04-23 | 2019-07-05 | 徐州徐工矿业机械有限公司 | A kind of crowd shovel dipper and forward shovel |
| CN111980084A (en) * | 2019-05-21 | 2020-11-24 | 迪尔公司 | Structural assembly for a work machine and method of assembling a node and a strut structure |
| CN111980084B (en) * | 2019-05-21 | 2024-01-05 | 迪尔公司 | Structural assembly for a work machine and method of assembling a node and a strut structure |
| CN110173010A (en) * | 2019-06-20 | 2019-08-27 | 徐州徐工矿业机械有限公司 | A kind of more cabinet reverse shovel grab dippers and excavator |
| CN110173010B (en) * | 2019-06-20 | 2023-04-18 | 徐州徐工矿业机械有限公司 | Multi-box back-shovel excavator bucket rod and excavator |
| CN111783259A (en) * | 2020-07-31 | 2020-10-16 | 徐州巴特工程机械股份有限公司 | Safety assessment method for bucket structure |
| CN111783259B (en) * | 2020-07-31 | 2024-03-29 | 徐州巴特工程机械股份有限公司 | Safety assessment method for bucket structure |
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Application publication date: 20170510 |