CN209578851U - Excavator swing arm processing tool - Google Patents
Excavator swing arm processing tool Download PDFInfo
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- CN209578851U CN209578851U CN201822021880.7U CN201822021880U CN209578851U CN 209578851 U CN209578851 U CN 209578851U CN 201822021880 U CN201822021880 U CN 201822021880U CN 209578851 U CN209578851 U CN 209578851U
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- 238000012545 processing Methods 0.000 title claims abstract description 34
- 238000003825 pressing Methods 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- -1 bolt Chemical compound 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of excavator swing arm processing tools, including tooling platform, support base, rear support positioning device, pressing device, clamping device, front-fork seat positioning clamping device and side lay；The clamping device and front-fork seat positioning clamping device is mounted on the front of tooling platform, side lay is fixedly mounted on clamping device, rear support positioning device and a stack clamping device are mounted on the rear portion of tooling platform, support base is mounted on the middle part of tooling platform, and clamping device is equipped on support base.Since the utility model uses the side coarse positioning of arm side plate, the other side clamps, the basic principle of movable arm front fork seat median plane fine positioning, simultaneously in view of factors such as welding deformations, positioning device is adjustable using thread forms, there are clamping device in two sides, and symmetrical structure type guarantees the reliability clamped.Have the advantages that easy to operate, processing quality is high, high production efficiency, is particularly suitable in mass production.
Description
Technical field
The utility model relates to field of machining, more particularly to a kind of excavator swing arm processing tool.
Background technique
The swing arm of hydraulic crawler excavator is very important structural member, and it is the highest portion of failure rate that receiving external load function is big
Part, quality directly determine excavator quality and working performance.
As shown in Figure 1, swing arm A use box typed structure, generally have certain camber guarantee its function, mainly by A1 after
The composition such as bearing, A2 upper cover plate, A3 left side plate, A4 lower ear plate, A5 upper ear plate, A6 lower cover plate and A7 front-fork seat.Using postwelding
Overall processing, processing content are as follows: A1 rear support, A4 lower ear plate, A5 upper ear plate and A7 front-fork seat bore hole；A1 rear support mills face, A7
Front-fork seat shaving.
Swing arm process for machining is complex, for the finishing operation of boom structure part manufacture, because of a group weldering dimensional accuracy, welds
It connects the error that the reasons such as deformation generate and all focuses on machining processes, there is higher incidence relation between each group hole, meanwhile, processing
Hole is also one of weak vulnerable zone of swing arm, if deviation occurs in processing dimension, the abrasion of swing arm several sets of apertures gently occurs and accelerates to shorten
Service life occurs fatigue rupture and generates the functional issues such as abnormal sound shake, heavy then lead to not machine assembly, directly report
It is useless, therefore, higher technical requirements are machined with to swing arm hole, to guarantee the quality of boom structure part.
Utility model content
The purpose of this utility model is to provide it is a kind of it is easy to operate, processing quality is high, the excavation of high production efficiency is motor-driven
Arm processing tool.
To achieve the above object, the technical solution of the utility model is:
The utility model is a kind of excavator swing arm processing tool, including tooling platform, support base, rear support positioning dress
It sets, the side lay of pressing device, one group or more of clamping device, front-fork seat positioning clamping device and one group or more；Institute
One group or more of the clamping device and front-fork seat positioning clamping device stated are mounted on the front of tooling platform, and side lay is solid
On the clamping device, rear support positioning device and a stack clamping device are mounted on the rear portion of tooling platform, support base peace for Dingan County
Mounted in the middle part of tooling platform, one group or more of clamping device is installed on support base.
The rear support positioning device includes rear support bottom plate, axially position plate, altitude location plate；The axial direction is fixed
Position plate is together with altitude location plate is all fixed on rear support bottom plate and is abutted against, the side wall and altitude location plate of axially position plate
Top surface it is rectangular.
The pressing device includes pressing plate seat, bolt, nut, two support bases and clamping screw；The pressing plate seat
Including U-shaped board, screw clamp plate, circular slab, U-shaped board and circular slab are separately fixed at the both ends of screw clamp plate；The circle of pressing plate seat
Plate is hinged on a support base by bolt, nut, and the U-shaped board of pressing plate seat is fixed on by bolt, nut in another branch
It supports on seat, the middle part of screw clamp plate in pressing plate seat is screwed onto the middle part of clamping screw.
The clamping device includes pedestal, multiple silk pole clamping devices, multiple inner thread sleeves；Multiple interior spiral shells
Line sleeve is sequentially arranged on pedestal from top to bottom, and multiple silk pole clamping devices are nested with respectively in multiple inner thread sleeves.
The silk pole clamping device is made of movable ram and clamping screw rod；Movable ram activity, which is nested with, is clamping screw rod
One end, clamp and be screwed onto inner thread sleeve in the middle part of screw rod.
The front-fork seat positioning clamping device includes front fork pedestal, axial silk pole clamping device, symmetrical positioning clamping
Device；The axial silk pole clamping device is mounted on front fork the middle of the base, and symmetrical positioning clamping device is mounted on front fork bottom
Seat middle part and the surface for being located at axial silk pole clamping device；
The axial silk pole clamping device include two pieces of support plates, anti-rotation transmission shaft, bearing mounting base, screw rod, axle sleeve,
Clamping plate, limit plectane, bolt, bearing；Two pieces of support plates, which are respectively separated, to be mounted on front fork pedestal, bearing mounting base
It is mounted by means of bolts in two pieces of support plates, the both ends of anti-rotation transmission shaft pass through limit plectane respectively and are fixed on two pieces of supports
On plate, the both ends of screw rod are distinguished on the bearing mounting base of rotatable socket on the supporting plate by bearing, and clamping plate passes through axis
Set slips on anti-rotation transmission shaft and the lower part of clamping plate is screwed on screw rod.
The symmetrical positioning clamping device includes positioning grip base, drive lead screw, drive lead screw mounting base, left-handed
Position gripping block, dextrorotation positions gripping block；The lower end of the positioning grip base is fixed on front fork pedestal, drive lead screw peace
Dress seat is fixedly mounted on the upper cover plate of positioning grip base, in the middle part of drive lead screw activity be nested in drive lead screw mounting base and
It is resisted against the two sidewalls of drive lead screw mounting base by two shaft shoulders limitation in the middle part of drive lead screw, limits the axis of drive lead screw
To movement, the both ends of drive lead screw have the screw thread of opposite rotation direction；The left-handed positioning gripping block and dextrorotation position gripping block
It is screwed onto the both ends of drive lead screw respectively, all downward limit of projection one of left-handed positioning gripping block and dextrorotation positioning gripping block bottom surface is led
To block, the limit guide block, all slip positioning clamp base upper cover plate on sliding slot in, with limit limit two sides positioning
Gripping block rotational freedom.
The side lay is made of positioning screw rod, pedestal, bolt, and pedestal is bolted on clamping device
On, it is screwed on pedestal in the middle part of positioning screw rod.
After adopting the above scheme, since the utility model is a kind of pair of excavator swing arm machining universal fixture, using dynamic
The side coarse positioning of arm side plate, the other side clamp, the basic principle of movable arm front fork seat median plane fine positioning, while in view of welding
The factors such as deformation, positioning device is adjustable using thread forms, and there are clamping device in two sides, and symmetrical structure type is protected
Demonstrate,prove the reliability clamped.Because the shape of swing arm is more special, axis feeding region is avoided in processing tool design completely, guarantees processing
The feasibility of scheme.It has the advantage that
1, processing quality is high, and secondary friendship inspection rate is promoted to 100% by 60%, and the failure rate of swing arm processing is greatly reduced.Using
Side lay is coarse positioning, and symmetrical positioning clamping device is fine positioning, is aided with corresponding detection means, can effectively ensure that
The reliability of processing realizes that with the median plane of front-fork seat be lateral technological datum, eliminates the error generated by benchmark conversion；It clamps
Device is reliable, it is ensured that the problems such as being not in shake in process；Through actual verification, it is inaccurate effectively to solve accurate to dimension
True problem processes hole quality accident caused by avoiding therefore, reduces swing arm abrasion and shake, improves the service life of swing arm.
2, production efficiency improves 80%, and manufacturing cost is greatly reduced.The tooling of this technology is easy to operate, passes through thick, fine positioning
Mode, rifle is pneumatically tightened in conjunction with adjustable force moment and is clamped, can fast implement positioning clamp, do not occur reprocessing feelings after processing
Condition greatly reduces and reprocesses cost and scrap cost because of caused by processing error, so that production process is more smooth.
3, it realizes generalization, saves tooling input cost and occupied area.Two near front-fork seat need to only be adjusted
The position of clamping device and symmetrical positioning clamping device can be realized two type processing, reduce taking for technological equipment investment
With and occupied area, reduce replacement tooling time.
In conclusion the utility model has the advantages that easy to operate, processing quality is high, high production efficiency, it is particularly suitable for
In mass production.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the axonometric drawing of swing arm；
Fig. 2 is the axonometric drawing of the utility model；
Fig. 3 is the front view of the utility model；
Fig. 4 is the top view of the utility model；
Fig. 5 is the axonometric drawing of the utility model rear support positioning device；
Fig. 6 is the axonometric drawing of the utility model pressing device；
Fig. 7 is the axonometric drawing of the utility model clamping device；
Fig. 8 is the axonometric drawing of the utility model rear support positioning device；
Fig. 9 is the axonometric drawing of the utility model inner thread sleeve；
Figure 10 is the axonometric drawing of the utility model front-fork seat positioning clamping device；
Figure 11 is the axonometric drawing of the utility model axial direction silk pole clamping device；
Figure 12 is the axonometric drawing of the utility model symmetrical expression positioning clamping device；
Figure 13 is the axonometric drawing of the utility model drive lead screw；
Figure 14 is the axonometric drawing of the utility model drive lead screw mounting base；
Figure 15 is the axonometric drawing of the utility model side lay；
Figure 16 is the schematic diagram of the utility model swing arm processing.
Specific embodiment
As shown in figs 2-4, the utility model is a kind of excavator swing arm processing tool, including tooling platform 1, support base
2, rear support positioning device 3,4, one groups of pressing device or more of clamping device 5, front-fork seat positioning clamping device 6 and one group or more
Side lay 7.
One group or more of the clamping device 5 and front-fork seat positioning clamping device 6 are mounted on the front of tooling platform 1,
Side lay 7 is fixedly mounted on clamping device 5, and rear support positioning device 3 and a stack clamping device 5 are mounted on tooling and put down
The rear portion of platform 1, support base 2 are mounted on the middle part of tooling platform 1, and one group or more of clamping device 5 is equipped on support base 2.
As shown in figure 5, the rear support positioning device 3 includes rear support bottom plate 31, axially position plate 32, altitude location
Plate 33；The axially position plate 32 is axial together with altitude location plate 33 is all fixed on rear support bottom plate 31 and is abutted against
The side wall of positioning plate 32 and the top surface of altitude location plate 33 are rectangular.
As shown in fig. 6, the pressing device includes 43, two pressing plate seat 41, bolt 42, nut support bases 44 and compresses
Screw rod 45；The pressing plate seat 41 includes U-shaped board 411, screw clamp plate 412, circular slab 413, and U-shaped board 411 and circular slab 413 divide
It is not fixed on the both ends of screw clamp plate 412；The circular slab 413 of pressing plate seat 41 is hinged on a support base 44 by bolt, nut
On, the U-shaped board 411 of pressing plate seat 41 is fixed on another support base 44 by bolt, nut, the middle part spiral shell of clamping screw 45
Connect the middle part of the screw clamp plate 412 in pressing plate seat 41.Compressible workpiece prevents the swing arm in clamping or process from jumping upwards
It is dynamic.Two sides nut 43 is unclamped after processing is completed, and U-shaped board 411 deviates to make screw clamp plate 412 to rotate around circular slab 413 from bolt
It is offline that fast hoisting can be realized, it is not necessary that nut is back-outed,
As shown in Fig. 7, Fig. 9, the clamping device 5 includes pedestal 51, multiple silk pole clamping devices 52, multiple internal screw threads
Sleeve 53；Multiple inner thread sleeves 53 are sequentially arranged at from top to bottom on pedestal 51, and multiple silk pole clamping devices 52 divide
It is not nested in multiple inner thread sleeves 53.
As shown in figure 8, the silk pole clamping device 52 is made of movable ram 521 and clamping screw rod 522；Movable ram
521 activities are nested in the one end for clamping screw rod 522, and the middle part for clamping screw rod 522 is screwed onto inner thread sleeve 53.Movable ram
521 small ends design internal screw thread, and big end is rotation when rectangle annular knurl face prevents its clamping with increasing friction force, guarantee to clamp reliable
Property；It clamps 522 head of screw rod and designs external screw thread, clamping after screw rod 522 is screwed into movable ram will not skid off, replacement disassembly Shi Keshun
Screw thread back-out.
As shown in Figure 10, the front-fork seat positioning clamping device include front fork pedestal 61, axial silk pole clamping device 62,
Symmetrical positioning clamping device 63；Positioning for front-fork seat clamps, as shown in Figure 10.The front fork pedestal 61 is front-fork seat
Altitude location and support member are formed by plate welding post-processing；The axial silk pole clamping device 62 is mounted on front fork bottom
61 middle part of seat, symmetrical positioning clamping device 63 are mounted on 61 middle part of front fork pedestal and are located at axial silk pole clamping device 62 just
Top；
As shown in figure 11, the axial silk pole clamping device 62 includes two pieces of support plates 621, anti-rotation transmission shaft 622, axis
Hold mounting base 623, screw rod 624, axle sleeve 625, clamping plate 626, limit plectane 627, bolt 628, bearing 629；Described two pieces
Support plate 621, which is respectively separated, to be mounted on front fork pedestal 61, and bearing mounting base 623 is fixedly mounted on two pieces of branch by bolt 628
On fagging 621, the both ends of anti-rotation transmission shaft 622 pass through limit plectane 627 respectively and are fixed in two pieces of support plates 621, screw rod 624
Both ends by bearing 629 respectively on the rotatable bearing mounting base 623 being socketed in support plate 621, clamping plate 626 passes through
Axle sleeve 625 slips on anti-rotation transmission shaft 622 and the lower part of clamping plate 626 is screwed on screw rod 624.The bearing mounting base
623 mounted insides have bearing 629, and are assemblied in support plate 621, and screw rod sleeve is fixed on clamping plate 626, rotary screw rod
624, drive clamping plate 626 to be axially moveable by screw-driven principle, 2 anti-rotation transmission shafts 622 guarantee that clamping plate 626 will not
Rotation can only be axially moveable, and to prevent 626 wear problem of clamping plate, the axle sleeve through Overheating Treatment is assembled and is passed with anti-rotation
Moving axis 622 passes through the position in hole, as shown in figure 11.
As shown in Figure 12-Figure 14, the symmetrical positioning clamping device 63 includes positioning grip base 631, driving wire
Bar 632, drive lead screw mounting base 633, left-handed positioning gripping block 634, dextrorotation position gripping block 635；The positioning clamps bottom
The lower end of seat 631 is fixed on front fork pedestal 61, and drive lead screw mounting base 633 is assembled using semi-circular piece and it fixes peace
6311 on the upper cover plate of positioning grip base 631,632 middle part activity of drive lead screw is nested in drive lead screw mounting base 633
Two sidewalls upper and that drive lead screw mounting base 633 is resisted against by two shaft shoulders limitation at 632 middle part of drive lead screw, limit biography
The axial movement of dynamic screw rod 632, the both ends of drive lead screw 632 have the screw thread of opposite rotation direction, and the positioning with corresponding rotation direction clamps
Block 634,635 cooperates；The left-handed positioning gripping block 634 and dextrorotation positioning gripping block 635 are screwed onto drive lead screw 632 respectively
Both ends, all downward one limit guide block 6341 of projection of left-handed positioning gripping block 634 and dextrorotation positioning 635 bottom surface of gripping block,
6351, which all slips on positioning 631 upper cover plate of grip base in 6311 sliding slot 6312, with
The limitation limit positioning gripping block 634 of two sides, 635 rotational freedoms, guaranteeing when rotation drive lead screw 632 that it can only be moved cannot
Rotation.When rotating drive lead screw 632, the positioning gripping block 634,635 of two sides inwardly or outwardly moves simultaneously, realizes that median plane is fixed
Position.
As shown in figure 15, the side lay 7 is made of positioning screw rod 71, pedestal 72, bolt 73, and pedestal 72 is logical
It crosses bolt 73 to be fixed on clamping device 5, be screwed onto the middle part of positioning screw rod 71 on pedestal 72.Side lay 7 is determined with 3 points
The principle of one plane is installed on the side of 3 clamping devices 5, and coarse positioning, i.e., one can be quickly carried out after swing arm hangs on tooling
Face positioning, another side clamp, and save adjustment time.
As shown in Figure 16, Fig. 8, Figure 11, working principle of the utility model is:
The workbench that tooling is integrally hung on to numerical control machining center passes through the key positioning of tooling platform bottom and the T of surrounding
Type bolt clamps, and fixing tool is whole.Swing arm workpiece A is hung on into tooling, rotates the silk pole clamping device on side clamping device 5
52, it pushes workpiece to be close to side lay 7 and carries out coarse positioning.The axial screw rod for rotating front-fork seat positioning clamping device 6 clamps
Then device 62 rotates front-fork seat positioning clamping device 6 so that workpiece rear support is close to the positioning surface of rear support positioning device 3
Symmetrical positioning clamping device 63 push the two sides of movable arm front fork simultaneously, guarantee median plane and the tooling center of movable arm front fork
Face is overlapped, and realizes median plane positioning, and the distance between measurement rear support two sides to 3 two sides of rear support positioning device simultaneously adjust
It is identical, complete fine positioning.The screw rod of clamping device 5 and pressing device 4 is clamped afterwards, then the entire positioning of swing arm processing clamps work
It completes, subsequent to carry out the examination contents such as processing and processing, clamping tool is that adjustable force moment pneumatically tightens rifle, can be greatly improved
Clamping efficiency.
To make full use of tooling resource, equipment Meteorological is saved the process, production efficiency is improved, according to boom structure shape
Formula adjusts the position of front-fork seat positioning clamping device 6 and the clamping device 5 close to its two sides, and adding for another type can be realized
Work, achievement unit Split type generalization target.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited with this
Range should still belong to this reality that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of being covered with new patent.
Claims (7)
1. a kind of excavator swing arm processing tool, it is characterised in that: including tooling platform, support base, rear support positioning device, pressure
The side lay of tight device, one group or more of clamping device, front-fork seat positioning clamping device and one group or more；Described one
More than group clamping device and front-fork seat positioning clamping device are mounted on the front of tooling platform, and side lay is fixedly mounted
On clamping device, rear support positioning device and a stack clamping device are mounted on the rear portion of tooling platform, and support base is mounted on work
The middle part of assembling platform is equipped with one group or more of clamping device on support base.
2. excavator swing arm processing tool according to claim 1, it is characterised in that: the rear support positioning device
Including rear support bottom plate, axially position plate, altitude location plate；The axially position plate and altitude location plate props up after being all fixed on
It holds on bottom plate and is abutted against together, the top surface of the side wall and altitude location plate of axially position plate is rectangular.
3. excavator swing arm processing tool according to claim 1, it is characterised in that: the pressing device includes pressing plate
Seat, bolt, nut, two support bases and clamping screw；The pressing plate seat includes U-shaped board, screw clamp plate, circular slab, U-shaped board
The both ends of screw clamp plate are separately fixed at circular slab；The circular slab of pressing plate seat is hinged on a support base by bolt, nut
On, the U-shaped board of pressing plate seat is fixed on another support base by bolt, nut, and pressing plate is screwed onto the middle part of clamping screw
The middle part of screw clamp plate in seat.
4. excavator swing arm processing tool according to claim 1, it is characterised in that: the clamping device includes bottom
Seat, multiple silk pole clamping devices, multiple inner thread sleeves；Multiple inner thread sleeves are sequentially arranged at pedestal from top to bottom
On, multiple silk pole clamping devices are nested with respectively in multiple inner thread sleeves.
5. excavator swing arm processing tool according to claim 4, it is characterised in that: the silk pole clamping device is by living
Dynamic head and clamping screw rod composition；Movable ram activity is nested in the one end for clamping screw rod, is clamped in being screwed onto the middle part of screw rod
In screw shell.
6. excavator swing arm processing tool according to claim 1, it is characterised in that: the front-fork seat positioning clamps dress
It sets including front fork pedestal, axial silk pole clamping device, symmetrical positioning clamping device；The axial silk pole clamping device installation
In front fork the middle of the base, symmetrical positioning clamping device is mounted on front fork the middle of the base and is located at axial silk pole clamping device just
Top；
The axial silk pole clamping device includes two pieces of support plates, anti-rotation transmission shaft, bearing mounting base, screw rod, axle sleeve, clamping
Plate, limit plectane, bolt, bearing；Two pieces of support plates, which are respectively separated, to be mounted on front fork pedestal, and bearing mounting base passes through
Bolt is fixedly mounted in two pieces of support plates, and the both ends of anti-rotation transmission shaft pass through limit plectane respectively and are fixed on two pieces of support plates
On, the both ends of screw rod are distinguished on the bearing mounting base of rotatable socket on the supporting plate by bearing, and clamping plate passes through axle sleeve
It slips on anti-rotation transmission shaft and the lower part of clamping plate is screwed on screw rod；
The symmetrical positioning clamping device includes positioning grip base, drive lead screw, drive lead screw mounting base, left-handed positioning
Gripping block, dextrorotation position gripping block；The lower end of the positioning grip base is fixed on front fork pedestal, drive lead screw mounting base
It is fixedly mounted on the upper cover plate of positioning grip base, activity is nested in drive lead screw mounting base and passes through in the middle part of drive lead screw
Two shaft shoulders limitation in the middle part of drive lead screw is resisted against the two sidewalls of drive lead screw mounting base, limits the axial of drive lead screw and moves
Dynamic, the both ends of drive lead screw have the screw thread of opposite rotation direction；The left-handed positioning gripping block and dextrorotation positioning gripping block difference
The both ends of drive lead screw are screwed onto, left-handed positioning gripping block and dextrorotation position all downward one limition orientation of projection in gripping block bottom surface
Block, which all slips in the sliding slot that positioning clamps on base upper cover plate, to limit the locating clip of limit two sides
Tight block rotational freedom.
7. excavator swing arm processing tool according to claim 1, it is characterised in that: the side lay is by fixed
Position screw rod, pedestal, bolt composition, pedestal are bolted on clamping device, are screwed on pedestal in the middle part of positioning screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021880.7U CN209578851U (en) | 2018-12-04 | 2018-12-04 | Excavator swing arm processing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021880.7U CN209578851U (en) | 2018-12-04 | 2018-12-04 | Excavator swing arm processing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209578851U true CN209578851U (en) | 2019-11-05 |
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ID=68349483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822021880.7U Active CN209578851U (en) | 2018-12-04 | 2018-12-04 | Excavator swing arm processing tool |
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| CN (1) | CN209578851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434501A (en) * | 2018-12-04 | 2019-03-08 | 厦门厦工机械股份有限公司 | Excavator swing arm processing tool |
-
2018
- 2018-12-04 CN CN201822021880.7U patent/CN209578851U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434501A (en) * | 2018-12-04 | 2019-03-08 | 厦门厦工机械股份有限公司 | Excavator swing arm processing tool |
| CN109434501B (en) * | 2018-12-04 | 2023-09-05 | 厦门厦工机械股份有限公司 | Excavator movable arm processing tool |
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