CN107190793A - Loading arm structure and loading machine - Google Patents
Loading arm structure and loading machine Download PDFInfo
- Publication number
- CN107190793A CN107190793A CN201710564534.0A CN201710564534A CN107190793A CN 107190793 A CN107190793 A CN 107190793A CN 201710564534 A CN201710564534 A CN 201710564534A CN 107190793 A CN107190793 A CN 107190793A
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- CN
- China
- Prior art keywords
- crossbeam
- otic placode
- swing arm
- loading
- loading arm
- Prior art date
- 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.)
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Classifications
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- 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)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of loading arm structure and loading machine, wherein, loading arm structure includes crossbeam and otic placode, and otic placode is located at crossbeam, and otic placode is split-type structural, coordinates in order to adjust the connection between otic placode and crossbeam.The present invention not only contributes to reduce the machining accuracy of crossbeam, and be easy to implement effective installation of otic placode and crossbeam on the premise of the enough fatigue strength of otic placode is ensured.
Description
Technical field
The present invention relates to engineering machinery field, more particularly to a kind of loading arm structure and loading machine.
Background technology
Loading arm is the primary load bearing structure in loading machine operation process, because the manipulating object of loading machine is complicated more
Sample, operating environment are exceedingly odious, and this make it that the load change that equipment is born is violent, and this also results in equipment and often damaged
It is bad, bring great difficulty to engineer operation construction.As shown in figure 1, loading arm mainly include swing arm plate 1 ', crossbeam 2 ' and
Otic placode 3 '.Found in engineer applied, the position that loading arm is often destroyed is the crossbeam 2 ' and swing arm plate of loading machine
1 ' commissure (the first welding position A ' as shown in Figure 2), and the lower end commissure that crossbeam 2 ' is connected with otic placode 3 ' is (as schemed
The second welding position B ' shown in 2).
It is at present the crossbeam 2 ' and the fatigue strength of the commissure of otic placode 3 ' of guarantee loading machine, using ear as shown in Figure 3
The attachment structure of plate 3 ' and crossbeam 2 ', overall three corner locations for encasing crossbeam 2 ' of otic placode 3 '.And swing arm plate 1 ' and crossbeam 2 '
Welding employs unilateral Type of Welding as shown in Figure 4.
In prior art, want to ensure the installation accuracy of otic placode 3 ' and crossbeam 2 ', it is necessary to ensure that crossbeam 2 ' is higher
Geometric accuracy, otherwise otic placode 3 ' and the installation difficulty of crossbeam 2 '.And in Practical Project, crossbeam 2 ' is two U-board butt welding
Form, the physical dimension of crossbeam 2 ' it is difficult to ensure that.And as shown in figure 5, the welding of crossbeam 2 ' and swing arm plate 1 ' employs unilateral weldering,
When crossbeam 2 ' is by load F as shown in Figure 5, due to not welded in the inner side of crossbeam 2 ', exist in the first welding position A '
Stress concentration, fatigue life significantly reduces.
The content of the invention
The purpose of the present invention is to propose to a kind of loading arm structure and loading machine, it can be reduced to crossbeam machining accuracy
Requirement, be conducive to the installation of crossbeam and otic placode.
To achieve the above object, the invention provides a kind of loading arm structure, it includes crossbeam and otic placode, and otic placode is set
In crossbeam, otic placode is split-type structural, is coordinated in order to adjust the connection between otic placode and crossbeam.
One preferably or in alternative embodiment, otic placode includes the first otic placode part and the second otic placode part, and it is horizontal that crossbeam includes first
Beam and second cross beam part, the first otic placode part connection first crossbeam part and second cross beam part, the second otic placode part connect the first otic placode
Part and first crossbeam part.
One preferably or in alternative embodiment, the cross section of first crossbeam part and second cross beam part is U-shaped, first crossbeam
Part and second cross beam part fasten the crossbeam to form inner hollow.
One preferably or in alternative embodiment, the first turning of the first otic placode part bridging first crossbeam part, first crossbeam part
With the first turning of the junction of second cross beam part, and second cross beam.
One preferably or in alternative embodiment, the second otic placode part connects the first otic placode part and the second of first crossbeam part and turned
Angle.
One preferably or in alternative embodiment, loading arm structure includes swing arm plate, crossbeam connection swing arm plate.
One preferably or in alternative embodiment, crossbeam is the structure of inner hollow, and crossbeam passes through swing arm plate, and swing arm plate
Both sides are and beam welding.
One preferably or in alternative embodiment, the end of crossbeam is provided with sealing plate.
One preferably or in alternative embodiment, crossbeam is the structure of inner hollow, the outer surface of crossbeam and swing arm plate weld,
The junction of swing arm plate and crossbeam is provided with through hole, and through hole is used for welding of the inner surface with swing arm plate for realizing crossbeam.
One preferably or in alternative embodiment, through hole is provided with sealing plate.
To achieve the above object, the invention provides a kind of loading machine, it includes the loading machine in any of the above-described embodiment
Boom structure.
Based on above-mentioned technical proposal, the present invention at least has the advantages that：
The loading arm structure that the present invention is provided includes crossbeam and otic placode, and otic placode is located at crossbeam, and otic placode is split type knot
Structure, coordinates, on the premise of the enough fatigue strength of otic placode is ensured, not only favorably in order to adjust the connection between otic placode and crossbeam
In the machining accuracy of reduction crossbeam, and it is easy to implement effective installation of otic placode and crossbeam.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of existing loading arm；
Fig. 2 is the welding position schematic diagram of existing loading arm；
Fig. 3 is the connection diagram of otic placode and crossbeam in existing loading arm；
Fig. 4 is the welding schematic diagram of existing loading arm middle cross beam and swing arm plate；
Fig. 5 is existing loading arm middle cross beam stress diagram；
Fig. 6 is the schematic diagram of loading arm structure provided in an embodiment of the present invention；
Fig. 7 is the otic placode and the connection diagram of crossbeam in loading arm structure provided in an embodiment of the present invention；
The first embodiment that Fig. 8 is connected for the crossbeam in loading arm structure provided in an embodiment of the present invention with swing arm plate
Schematic diagram；
The second embodiment that Fig. 9 is connected for the crossbeam in loading arm structure provided in an embodiment of the present invention with swing arm plate
Schematic diagram.
Label in accompanying drawing：
1 '-swing arm plate；2 '-crossbeam；3 '-otic placode；The welding positions of A '-the first；The welding positions of B '-the second；
1- swing arm plates；
2- crossbeams；21- first crossbeam parts；22- second cross beam parts；
3- otic placodes；31- the first otic placode parts；32- the second otic placode parts；
4- sealing plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched
State.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this hair
Bright embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to present invention protection
The limitation of scope.
As shown in fig. 6, the illustrative examples of the loading arm structure provided for the present invention, in the illustrative examples
In, loading arm structure includes crossbeam 2 and otic placode 3, and otic placode 3 is located at crossbeam 2, and otic placode 3 is split-type structural, in order to adjust
Connection between otic placode 3 and crossbeam 2 coordinates, in the case where ensureing the enough fatigue strength of otic placode 3, makes crossbeam 2 in relatively low size essence
Effective installation of crossbeam 2 and otic placode 3 is realized under degree.
The present embodiment uses split type otic placode 3, not only contributes to reduce the machining accuracy of crossbeam 2, realizes having for otic placode 3
Effect is installed, and can also be easy to ensure that there is enough fatigue strength the commissure between otic placode 3 and crossbeam 2.
As shown in fig. 7, otic placode 3 can include the first otic placode part 31 and the second otic placode part 32, it is horizontal that crossbeam 2 can include first
Beam 21 and second cross beam part 22.First otic placode part 31 can connect first crossbeam part 21 and second cross beam part 22, therefore can be with
Ensure installation accuracy by adjusting the gap between first crossbeam part 21 and second cross beam part 22, the dimensional accuracy to crossbeam 2 will
Ask reduction.Second otic placode part 32 can connect the first otic placode part 31 and first crossbeam part 21, therefore, the size of first crossbeam part 21
Error can be adjusted by the weld gap of the first otic placode part 31 and the second otic placode part 32, it is easy to be controlled.
In above-described embodiment, as shown in fig. 7, the cross section of first crossbeam part 21 and second cross beam part 22 can with U-shaped,
First crossbeam part 21 and second cross beam part 22 fasten the crossbeam 2 for forming inner hollow, and crossbeam 2 has four turnings, and respectively the
The first turning and the second turning of one cross-member 21, and second cross beam part 22 the first turning and the second turning, and first is horizontal
First turning of beam 21 is disposed adjacent with the first turning of second cross beam part 22, the second turning and second of first crossbeam part 21
Second turning of cross-member 22 is disposed adjacent.
One preferably or in alternative embodiment, the first otic placode part 31 can bridge the first turning of first crossbeam part 21, the
The junction of one cross-member 21 and second cross beam part 22, and second cross beam 2 the first turning.First otic placode part 31 and crossbeam 2
Two turnings connection, can by adjust the gap between first crossbeam part 21 and second cross beam part 22 ensure installation accuracy,
Dimension precision requirement reduction to crossbeam 2.
One preferably or in alternative embodiment, the second otic placode part 32 can connect the first otic placode part 31 and first crossbeam part 21
The second turning.
In above-described embodiment, one end of the second otic placode part 32 is connected with the second turning of first crossbeam part 21, the edge of otic placode 3
Not across the junction of first crossbeam part 21 and second cross beam part 22, the other end of the second otic placode part 32 and the first otic placode part 31
Connection.The first crossbeam part 21 of crossbeam 2 and the scale error of second cross beam part 22 can pass through the first otic placode part 31 and the second ear
The weld gap adjustment of plate 32, it is easy to control.
As shown in fig. 6, the loading arm structure that the present embodiment is provided can also include swing arm plate 1, the connection swing arm of crossbeam 2
Plate 1.
In above-described embodiment, crossbeam 2 can be the structure of inner hollow, and the connection of crossbeam 2 and swing arm plate 1 can have many
Implementation is planted, two preferred or alternative embodiments are set forth below.
As shown in figure 8, one preferably or in alternative embodiment, crossbeam 2 can pass through swing arm plate 1, and the both sides of swing arm plate 1
It can be welded with crossbeam 2, ensure the bonding strength of swing arm plate 1 and crossbeam 2 using bilateral weldering, improve fatigue strength.
Due to the structure that crossbeam 2 is inner hollow, the end that crossbeam 2 passes swing arm plate 1 can be provided with sealing plate 4, so as to
In the seal for ensureing crossbeam 2, it is to avoid the inside welding bead corrosion of crossbeam 2.
Further, swing arm plate 1 can use bilateral groove welding with crossbeam 2.
The Connection Step of above-mentioned crossbeam 2 and swing arm plate 1 is：1) crossbeam 2 is passed through to the through hole set on swing arm plate 1；2) it is complete
Bilateral weld seam into swing arm plate 1 and crossbeam 2 is welded；3) the open-ended of crossbeam 2 is sealed with sealing plate 4.
It is set to be fixed on swing arm plate 1 it is possible to further carry out welding to the edge of sealing plate 4.
At this preferably or in alternative embodiment, crossbeam 2 by the way of perforate runs through, is realized with the junction of swing arm plate 1
The bilateral welding of crossbeam 2, enhances the fatigue strength of weld seam at crossbeam 2, while not influenceing the bulk strength of swing arm.In crossbeam 2
End add sealing plate 4, it is ensured that the weld seam inside crossbeam 2 is not corroded and failure damage.
As shown in figure 9, in another preferred or alternative embodiment, the outer surface of crossbeam 2 can be welded with swing arm plate 1, move
The junction of arm plate 1 and crossbeam 2 can be provided with through hole, and through hole is used for welding of the inner surface with swing arm plate 1 for realizing crossbeam 2, and
The size of through hole is less than the size of crossbeam 2, and crossbeam 2 does not pass through through hole.The outer surface of crossbeam 2 and inner surface with swing arm plate 1
Welding, ensures the bonding strength of swing arm plate 1 and crossbeam 2 using bilateral weldering, improves fatigue strength.
Due to the structure that crossbeam 2 is inner hollow, sealing plate 4 can be provided with through hole, the closed of crossbeam 2 is ensure that
Property, it is to avoid the inside welding bead corrosion of crossbeam 2.
Further, swing arm plate 1 can use bilateral groove welding with crossbeam 2.
The Connection Step of above-mentioned crossbeam 2 and swing arm plate 1 is：1) outside of crossbeam 2 and the groove welding of swing arm plate 1 are first completed；
2) through hole of welding gun through swing arm plate 1 completes the inside of crossbeam 2 and the groove welding of swing arm plate 1；3) through hole is sealed with sealing plate 4,
And it is fixed on swing arm plate 1 the edge progress welding of sealing plate 4.
Loading arm structure provided in an embodiment of the present invention can solve the problem that the otic placode 3 in loading arm structure installs tired
The problems such as difficulty, weld fatigue low intensity.
Present invention also offers a kind of loading machine, it includes the loading arm structure in any of the above-described embodiment.
Because the loading machine that the present invention is provided includes the loading arm structure in any of the above-described embodiment, therefore, this hair
The loading machine of bright offer has the beneficial effect of the loading arm structure in any of the above-described embodiment, will not be repeated here.
In the description of the invention, it is to be understood that limit parts using the word such as " first ", " second ", only
It is for only for ease of and above-mentioned parts is distinguished, such as without Stated otherwise, above-mentioned word does not have particular meaning, therefore not
It is understood that as limiting the scope of the invention.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among claimed technical scheme scope of the invention.
Claims (11)
1. a kind of loading arm structure, it is characterised in that：Including crossbeam (2) and otic placode (3), the otic placode (3) is located at described
Crossbeam (2), the otic placode (3) is split-type structural, in order to adjust the connection between the otic placode (3) and the crossbeam (2)
Coordinate.
2. loading arm structure as claimed in claim 1, it is characterised in that：The otic placode (3) includes the first otic placode part
(31) and the second otic placode part (32), the crossbeam (2) includes first crossbeam part (21) and second cross beam part (22), first ear
Plate (31) connects the first crossbeam part (21) and the second cross beam part (22), and the second otic placode part (32) connection is described
First otic placode part (31) and the first crossbeam part (21).
3. loading arm structure as claimed in claim 2, it is characterised in that：The first crossbeam part (21) and described second
The cross section of cross-member (22) is U-shaped, and the first crossbeam part (21) and the second cross beam part (22) fasten and form internal
The hollow crossbeam (2).
4. loading arm structure as claimed in claim 3, it is characterised in that：The first otic placode part (31) bridging described the
First turning of one cross-member (21), the first crossbeam part (21) and the junction of the second cross beam part (22), Yi Jisuo
State the first turning of second cross beam (2).
5. loading arm structure as claimed in claim 4, it is characterised in that：The second otic placode part (32) connection described the
Second turning of one otic placode part (31) and the first crossbeam part (21).
6. loading arm structure as claimed in claim 1, it is characterised in that：Including swing arm plate (1), the crossbeam (2) is even
Connect the swing arm plate (1).
7. loading arm structure as claimed in claim 6, it is characterised in that：The crossbeam (2) is the structure of inner hollow,
The crossbeam (2) passes through the swing arm plate (1), and the both sides of the swing arm plate (1) are welded with the crossbeam (2).
8. loading arm structure as claimed in claim 7, it is characterised in that：The end of the crossbeam (2) is provided with sealing plate
(4)。
9. loading arm structure as claimed in claim 6, it is characterised in that：The crossbeam (2) is the structure of inner hollow,
The outer surface of the crossbeam (2) is welded with the swing arm plate (1), and the swing arm plate (1) and the junction of the crossbeam (2) are provided with
Through hole, the through hole is used for welding of the inner surface with the swing arm plate (1) for realizing the crossbeam (2).
10. loading arm structure as claimed in claim 9, it is characterised in that：The through hole is provided with sealing plate (4).
11. a kind of loading machine, it is characterised in that：Including the loading arm structure as described in any one of claim 1~10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564534.0A CN107190793A (en) | 2017-07-12 | 2017-07-12 | Loading arm structure and loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564534.0A CN107190793A (en) | 2017-07-12 | 2017-07-12 | Loading arm structure and loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107190793A true CN107190793A (en) | 2017-09-22 |
Family
ID=59883066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710564534.0A Pending CN107190793A (en) | 2017-07-12 | 2017-07-12 | Loading arm structure and loading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107190793A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382744A (en) * | 1981-03-23 | 1983-05-10 | Dresser Industries, Inc. | Loader bellcrank mounting means |
| CN201050074Y (en) * | 2007-06-15 | 2008-04-23 | 龙工(上海)机械制造有限公司 | Rocking arm base beam structure for loading machine movable arm |
| WO2011003139A1 (en) * | 2009-07-07 | 2011-01-13 | Challenge Implements Holdings Pty Limited | An arrangement of the crowd cylinder crank arm and linkage mechanism for giving freedom of movement for loading and tilting implements and buckets. |
| CN202831008U (en) * | 2012-09-18 | 2013-03-27 | 大冶市群力机械制造有限公司 | Enhanced swing arm mechanism |
| CN203393760U (en) * | 2013-07-09 | 2014-01-15 | 徐工集团工程机械股份有限公司科技分公司 | Loader movable arm |
| CN204125981U (en) * | 2014-09-01 | 2015-01-28 | 中外合资沃得重工（中国）有限公司 | Loading arm structure |
| CN106836327A (en) * | 2017-03-02 | 2017-06-13 | 徐工集团工程机械有限公司 | Otic placode structure and loading machine |
-
2017
- 2017-07-12 CN CN201710564534.0A patent/CN107190793A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382744A (en) * | 1981-03-23 | 1983-05-10 | Dresser Industries, Inc. | Loader bellcrank mounting means |
| CN201050074Y (en) * | 2007-06-15 | 2008-04-23 | 龙工(上海)机械制造有限公司 | Rocking arm base beam structure for loading machine movable arm |
| WO2011003139A1 (en) * | 2009-07-07 | 2011-01-13 | Challenge Implements Holdings Pty Limited | An arrangement of the crowd cylinder crank arm and linkage mechanism for giving freedom of movement for loading and tilting implements and buckets. |
| CN202831008U (en) * | 2012-09-18 | 2013-03-27 | 大冶市群力机械制造有限公司 | Enhanced swing arm mechanism |
| CN203393760U (en) * | 2013-07-09 | 2014-01-15 | 徐工集团工程机械股份有限公司科技分公司 | Loader movable arm |
| CN204125981U (en) * | 2014-09-01 | 2015-01-28 | 中外合资沃得重工（中国）有限公司 | Loading arm structure |
| CN106836327A (en) * | 2017-03-02 | 2017-06-13 | 徐工集团工程机械有限公司 | Otic placode structure and loading machine |
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Application publication date: 20170922 |