CN108643270A - The production method that a kind of olecranon for engineering machinery presss from both sides - Google Patents
The production method that a kind of olecranon for engineering machinery presss from both sides Download PDFInfo
- Publication number
- CN108643270A CN108643270A CN201810734241.7A CN201810734241A CN108643270A CN 108643270 A CN108643270 A CN 108643270A CN 201810734241 A CN201810734241 A CN 201810734241A CN 108643270 A CN108643270 A CN 108643270A
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- China
- Prior art keywords
- jaw
- pawl
- otic placode
- mold
- pawls
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The production method that a kind of olecranon for engineering machinery of the present invention presss from both sides, it is characterised in that made of olecranon clamp mould, olecranon clamp mould includes two pawl molds (1) and three-jaw mold (2)；Wherein, olecranon presss from both sides two pawl mechanisms (301) and olecranon folder three-jaw mechanism (302) is made by two pawl molds (1) and three-jaw mold (2) respectively.A kind of olecranon for engineering machinery of the present invention presss from both sides, can convenient group to coordinating various model excavators, its manufacturing process relies on and a kind of olecranon clamp mould, it is made of this kind of olecranon clamp mould, production method has adaptable, versatility is good, easy to operate, the high advantage of one-pass molding rate.
Description
Technical field
The present invention relates to a kind of production methods that the olecranon for engineering machinery presss from both sides.
Background technology
Olecranon folder is mainly used to capture material, is generally seated on excavator, the whole nation now with excavator main engine plants tens,
And every family has tens kinds of specifications, the also excavator of import, such olecranon to press from both sides to meet the requirement of different excavator models,
It makes just at prodigious problem.
We develop a kind of general olecranon for engineering machinery and press from both sides thus, and manufacturing process is relied on presss from both sides with a kind of olecranon
Mold is made of this kind of olecranon clamp mould, production method have it is adaptable, versatility is good, easy to operate, once
The high advantage of ratio of briquetting.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of production methods that the olecranon for engineering machinery presss from both sides.
The object of the present invention is achieved like this：
A kind of olecranon for engineering machinery presss from both sides, and olecranon folder includes that olecranon presss from both sides two pawl mechanisms and olecranon folder three-jaw mechanism,
Two connecting holes of wherein olecranon folder three-jaw mechanism are fixedly connected in the end of the dipper of excavator, and olecranon presss from both sides two pawl mechanisms
First connecting hole is articulated with the end of the dipper of excavator, and second connecting hole that olecranon presss from both sides two pawl mechanisms is articulated with dipper gas
On cylinder telescopic end, second connecting hole that olecranon presss from both sides two pawl mechanisms is also connect with the first end of a connecting rod simultaneously, connecting rod
Second end and excavator dipper it is hinged；
Olecranon presss from both sides pawl point under two pawl mechanism horizontal states, and, towards upper right side, it includes two pawl of two panels that the olecranon, which presss from both sides two pawl mechanisms,
Otic placode in outer otic placode, two pawl of two panels, the outer otic placode connecting rod of two pawls, otic placode connecting rod, two two pawl pawls refer in two pawls
And two two pawl pawls refer to connecting rod, the outer otic placode connecting rod of two pawls is longitudinally arranged, the rear and front end point of the outer otic placode connecting rod of two pawls
The outer otic placode of a piece of two pawl is not connected to the left, the left upper end of the outer otic placode of two pawls is provided with first longitudinal connecting hole, two pawl inner ears
Plate connecting rod is longitudinally connected between the middle part of otic placode outside two pawl of two panels, the leading portion and back segment of the outer otic placode connecting rod of two pawls respectively to
A left side is connected with otic placode in a piece of two pawl, the front and back parallel arrangement of otic placode in two pawl of two panels, and in two pawl of two panels otic placode upper right side point
Do not connect the leading portion and back segment of otic placode connecting rod in two pawls, the lower-left end of otic placode is provided with second longitudinal company in two pawl of two panels
Hole is connect, the leading portion and back segment of the outer otic placode connecting rod of two pawls connect to the right two pawl pawls and refer to respectively, left section and the right side that two two pawl pawls refer to
The two pawl pawls that a longitudinal direction is separately connected between section refer to connecting rod；
Olecranon presss from both sides pawl point under three-jaw mechanism horizontal state, and, towards upper left side, olecranon folder three-jaw mechanism includes four three-jaws
Otic placode in outer otic placode, two panels three-jaw, the outer otic placode connecting rod of a three-jaw, otic placode connecting rod, three three-jaw pawls refer in two three-jaws
And two three-jaw pawls refer to connecting rod, the outer otic placode connecting rod of three-jaw is longitudinally arranged, the rear and front end point of the outer otic placode connecting rod of three-jaw
Connecting the outer otic placode of parallel three-jaw before and after two panels to the right, the right end of the outer otic placode of four three-jaws is provided with longitudinal connecting hole, and three
The leading portion and back segment of the outer otic placode connecting rod of pawl, which are distinguished, connects to the right otic placode in three-jaw, and the right end of otic placode is provided with vertical in two panels three-jaw
To connecting hole, otic placode in the three-jaw that otic placode and the outer otic placode of the two panels three-jaw of front side pass through a longitudinal direction in a piece of three-jaw of front side
Connecting rod connects, otic placode in the three-jaw that the outer otic placode of the two panels three-jaw of otic placode and rear side passes through a longitudinal direction in a piece of three-jaw of rear side
Connecting rod connects, and connection three-jaw pawl refers to the left respectively for leading portion, stage casing and the back segment of the outer otic placode connecting rod of three-jaw, and three three-jaw pawls refer to
Left section and right section between be separately connected the three-jaw pawl of a longitudinal direction and refer to connecting rod；
Wherein two two pawl pawls refer to refers to dislocation arrangement with three three-jaw pawls.
Every two pawl pawls refer to the two pawl blade tooths that three longitudinal directions are evenly arranged on top surface；Every three-jaw pawl refers on top surface uniformly
It is disposed with the three-jaw blade tooth of three longitudinal directions；The three-jaw blade tooth position correspondence of the two pawl blade tooths and three longitudinal directions of three longitudinal directions.
The bottom of the two pawls die bottom plate is respectively set that there are one two vertical pawl supporting legs of mould close to corner location.
Two longitudinal the first reinforcing ribs of pawl mold are connected on the left of the outer limiting plate of the two pawl mold of two panels in front, rear
It is connected with two longitudinal the first reinforcing ribs of pawl mold on the left of the outer limiting plate of two pawl mold of two panels.
Two longitudinal the second reinforcing ribs of pawl mold are connected in two pawl mold of two panels on the left of limiting plate.
The bottom of the three-jaw die bottom plate is respectively set that there are one vertical close to corner location and middle part front and back position
Three-jaw supporting legs of mould.
A kind of olecranon clamp mould, the olecranon for engineering machinery for making above-mentioned press from both sides, and olecranon clamp mould includes two pawls
Mold and three-jaw mold；
Wherein, olecranon presss from both sides two pawl mechanisms and olecranon folder three-jaw mechanism respectively by two pawl molds and three-jaw Mold Making,
The two pawls mold includes two pawl die bottom plates, and the two pawls die bottom plate is the rectangular slab being horizontally arranged, described
Two right section and left section of pawl die bottom plate fronts are respectively arranged with the right supporting bar of longitudinally arranged two pawls mold and the two left supporting bars of pawl mold,
The top surface back segment and top surface leading portion of the two pawls die bottom plate are connected with the outer limiting plate of two pawl mold of two panels, two pawl moulds to the left respectively
The general shape of the outer limiting plate of tool is matched with two pawl external ear plate shapes, and the top surface stage casing of the two pawls die bottom plate is connected with to the left
Limiting plate in two pawl mold of two panels is located in two pawl mold of two panels on the outside of limiting plate and positioned at the outer limiting plate medial area of two pawl molds
It is provided with two pawl mold supporting springs on the two pawl die bottom plates in domain, on right section of the outer limiting plate of the two pawls mold and mold supporting spring
Being provided with can be for the two pawl mold grooves that the limit of otic placode connecting rod is placed outside two pawls, the outer limiting plate of the two pawls mold and two pawl
Corresponding position in mold on limiting plate left end is provided with the two pawl molds that front and back two the first axis pin of pawl mold of confession penetrated through is worn
The upper end of first trepanning, the outer limiting plate of two pawl molds is provided with the two pawl moulds that front and back two the second axis pin of pawl mold of confession penetrated through is worn
Has the second trepanning；
The three-jaw mold includes three-jaw die bottom plate, and the three-jaw die bottom plate is the rectangular slab being horizontally arranged, described
Left section of three-jaw die bottom plate front and stage casing are respectively arranged with supporting bar in the left supporting bar of longitudinally arranged three-jaw mold and three-jaw mold,
Right half section of the top surface back segment of the three-jaw die bottom plate and top surface are disposed with the three-jaw mold connected up from outside to inside
Limiting plate in limiting plate and three-jaw mold in outer limiting plate, three-jaw mold, the general shape and three-jaw of the outer limiting plate of three-jaw mold
External ear plate shape matches, and the lateral position of limiting plate is corresponding with the outer right fragment position of limiting plate of three-jaw mold in three-jaw mold,
The lateral position of limiting plate is corresponding with the outer left fragment position of limiting plate of three-jaw mold in three-jaw mold, the outer limiting plate of three-jaw mold
The left section of three-jaw mold groove that can limit placement for otic placode connecting rod outside three-jaw with being provided on limiting plate in three-jaw mold, three
The leading portion and back segment of supporting bar have set up three-jaw mold partition board in pawl mold, and limiting plate is limited with outside three-jaw mold in three-jaw mold
Right section of position plate is provided with corresponding longitudinally through the first trepanning of three-jaw mold worn for the first axis pin of three-jaw mold in position,
It is corresponding longitudinally through for three-jaw mold to be provided with position for left section of the outer limiting plate of limiting plate and three-jaw mold in three-jaw mold
The second trepanning of three-jaw mold that second axis pin is worn.
When producing olecranon two pawl mechanism of folder：
Step 1: otic placode connecting rod outside two pawls to be first positioned over to two pawl molds of limiting plate and mold supporting spring outside two pawl molds
In groove；
Step 2: otic placode outside two pawls is then respectively placed in two of limiting plate and rear outside the two pawl mold of two panels in front
Between the outer limiting plate of two pawl mold of piece, two the second trepannings of pawl mold and two pawl molds are arranged in by two the second axis pins of pawl mold
In first connecting hole of outer limiting plate, to fix otic placode outside two pawls and the relative position of otic placode connecting rod outside two pawls, weld
Connect the outer otic placode connecting rod of two pawls and the outer otic placode of two pawls；
Step 3: being arranged in second connecting hole and two pawl molds of otic placode in two pawls by two the first axis pins of pawl mold
In two the first trepannings of pawl mold of limiting plate, to which otic placode in two pawls and the relative position of otic placode connecting rod outside two pawls be fixed,
Weld otic placode in the outer otic placode connecting rod of two pawls and two pawls；
Refer to Step 4: placing two pawl pawls in the right supporting bar of two pawl molds and the two left supporting bars of pawl mold, two pawl pawls are referred to and two
The outer otic placode connecting rod welding of pawl；
Refer to connecting rod Step 5: wearing two pawl pawls on two pawl pawls refer to and weld；
Step 6: the olecranon for removing semi-finished product presss from both sides two pawl mechanisms, otic placode in two pawls is then worn in otic placode outside two pawls and is connected
Extension bar, then weld in two pawls otic placode in otic placode connecting rod and two pawls completes olecranon and presss from both sides two pawl mechanisms to make；
When producing olecranon folder three-jaw mechanism：
It is limited Step 1: first otic placode connecting rod outside three-jaw is positioned over outside three-jaw mold in left section of limiting plate and three-jaw mold
In three-jaw mold groove on plate；
Step 2: then otic placode outside three-jaw is positioned over outside three-jaw mold in limiting plate and three-jaw mold between limiting plate,
It is arranged in outside the first trepanning of three-jaw mold and three-jaw in the connecting hole of otic placode by the first axis pin of three-jaw mold, thus by three-jaw
Outer otic placode and the relative position of the outer otic placode connecting rod of three-jaw are fixed, the outer otic placode connecting rod of welding three-jaw and the outer otic placode of three-jaw；
Step 3: otic placode in three-jaw is positioned in two panels three-jaw mold between limiting plate, it is arranged in by the second axis pin
Otic placode in limiting plate and three-jaw in three-jaw mold, to consolidate otic placode in three-jaw and the relative position of otic placode connecting rod outside three-jaw
It is fixed, otic placode in the outer otic placode connecting rod of welding three-jaw and three-jaw；
Refer to Step 4: placing three-jaw pawl in supporting bar in the left supporting bar of three-jaw mold and three-jaw mold, three-jaw pawl is referred to and three
The outer otic placode connecting rod welding of pawl；
Refer to connecting rod Step 5: wearing three-jaw pawl on three-jaw pawl refers to and weld；
Step 6: remove the olecranon folder three-jaw mechanism of semi-finished product, then otic placode wears three in otic placode and three-jaw outside three-jaw
It otic placode connecting rod and is welded in pawl, completes olecranon and press from both sides two pawl mechanisms to make；
The assembling of the two is carried out after olecranon presss from both sides two pawl mechanisms and olecranon folder three-jaw mechanism completes the production so that the two and bucket
Bar, dipper Telescopic-cylinder end and connecting rod are assembled integrally.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of olecranon for engineering machinery of the present invention presss from both sides, it may be convenient to which group is to coordinating various model excavators, system
Make process rely on a kind of olecranon clamp mould, made of this kind of olecranon clamp mould, production method have it is adaptable,
Versatility is good, easy to operate, the high advantage of one-pass molding rate.So that original production quantity improves 20 times, production efficiency obtains greatly
It is big to improve.
Description of the drawings
Fig. 1 is a kind of schematic diagram that the olecranon for engineering machinery presss from both sides.
Fig. 2 is the front view under olecranon two pawl mechanism horizontal states of folder.
Fig. 3 is the vertical view under olecranon two pawl mechanism horizontal states of folder.
Fig. 4 is the front view under olecranon folder three-jaw mechanism horizontal state.
Fig. 5 is the vertical view under olecranon folder three-jaw mechanism horizontal state.
Fig. 6 is two pawl mold front views.
Fig. 7 is two pawl mold vertical views.
Fig. 8 is three-jaw mold front view.
Fig. 9 is three-jaw mold vertical view.
Wherein：
Two pawl molds 1, two pawl die bottom plates 101, two pawl supporting legs of mould 102, the right supporting bar 103 of two pawl molds, two pawl moulds
Have the outer limiting plate 105 of left supporting bar 104, two pawl molds, the first reinforcing rib 106, limiting plate 107, two pawl molds the in two pawl molds
Two reinforcing ribs 108, two pawl mold supporting springs 109, two pawl mold the first axis pins 110, two pawl mold the first trepannings 111, two pawl molds
Second axis pin 112, two the second trepannings of pawl mold 113
The left supporting bar 203 of three-jaw mold 2, three-jaw die bottom plate 201, three-jaw supporting legs of mould 202, three-jaw mold, three-jaw mould
Limiting plate 206 in supporting bar 204, three-jaw mold outer limiting plate 205, three-jaw mold, limiting plate 207, three-jaw in three-jaw mold in tool
Mold partition board 208, the first trepanning of three-jaw mold 209, the first axis pin of three-jaw mold 210, the second trepanning of three-jaw mold 211, three-jaw
The second axis pin of mold 112
Olecranon folder 3
Olecranon presss from both sides the outer otic placode 301.1 of two pawl mechanisms 301, two pawls, otic placode 301.2, the outer otic placode connecting rod of two pawls in two pawls
301.3, otic placode connecting rod 301.4, two pawl pawls refer to 301.5, two pawl pawls and refer to connecting rod 301.6, two pawl blade tooths 301.7 in two pawls
Olecranon presss from both sides the outer otic placode 302.1 of three-jaw mechanism 302, three-jaw, otic placode 302.2, the outer otic placode connecting rod of three-jaw in three-jaw
302.3, otic placode connecting rod 302.4, three-jaw pawl refer to 302.5, three-jaw pawl and refer to connecting rod 302.6, three-jaw blade tooth 302.7 in three-jaw
Dipper 303
Dipper Telescopic-cylinder end 304
Connecting rod 305.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only invention a part of the embodiment, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1-Fig. 9, a kind of olecranon for engineering machinery of the present invention presss from both sides and preparation method thereof, olecranon folder
3 include that olecranon presss from both sides two pawl mechanisms 301 and olecranon folder three-jaw mechanism 302, and two connecting holes of wherein olecranon folder three-jaw mechanism 302 are equal
It is fixedly connected on the end of the dipper 303 of excavator, first connecting hole that olecranon presss from both sides two pawl mechanisms 301 is articulated with excavator
The end of dipper 303, second connecting hole that olecranon presss from both sides two pawl mechanisms 301 are articulated on dipper Telescopic-cylinder end 304, olecranon folder
Second connecting hole of two pawl mechanisms 301 is also connect with the first end of a connecting rod 305 simultaneously, the second end of connecting rod 305
It is hinged with the dipper 303 of excavator；
Olecranon presss from both sides pawl point under two pawl mechanisms, 301 horizontal state, and, towards upper right side, it includes two that the olecranon, which presss from both sides two pawl mechanisms 301,
Outer otic placode 301.3, two pawl inner ears of connecting rod of 301.2, two pawls of otic placode in the outer otic placode 301.1 of two pawl of piece, two pawl of two panels
301.4, two two pawl pawls of plate connecting rod refer to 301.5 and two two pawl pawls refer to connecting rod 301.6, the outer otic placode connecting rod of two pawls
301.3 are longitudinally arranged, and the rear and front end of otic placode connecting rod 301.3 connects the outer otic placode 301.1 of a piece of two pawl to the left respectively outside two pawls,
The left upper end of otic placode 301.1 is provided with first longitudinal connecting hole outside two pawls, and otic placode connecting rod 301.4 is longitudinally connected in two pawls
Between the middle part of otic placode 301.1 outside two pawl of two panels, the leading portion and back segment of otic placode connecting rod 301.3 connect to the left respectively outside two pawls
There is an otic placode 301.2 in a piece of two pawl, the front and back parallel arrangement of otic placode 301.2 in two pawl of two panels, and otic placode 301.2 in two pawl of two panels
Upper right side is separately connected the leading portion and back segment of otic placode connecting rod 301.4 in two pawls, and the lower-left end of otic placode 301.2 is set in two pawl of two panels
It is equipped with second longitudinal connecting hole, the leading portion and back segment of the outer otic placode connecting rod of two pawls 301.3 connect to the right two pawl pawls and refer to respectively
301.5, two two pawl pawls, which refer to, to be separately connected two pawl pawls of a longitudinal direction and refers to connecting rod 301.6 between left section of 301.5 and right section；
Every two pawl pawls refer to the two pawl blade tooths 301.7 that three longitudinal directions are evenly arranged on 301.5 top surfaces；
Olecranon presss from both sides pawl point under 302 horizontal state of three-jaw mechanism, and, towards upper left side, olecranon folder three-jaw mechanism 302 includes four
Outer otic placode 302.3, two three-jaw inner ears of connecting rod of 302.2, three-jaws of otic placode in the outer otic placode 302.1 of piece three-jaw, two panels three-jaw
302.4, three three-jaw pawls of plate connecting rod refer to 302.5 and two three-jaw pawls refer to connecting rod 302.6, the outer otic placode connecting rod of three-jaw
302.3 are longitudinally arranged, and the rear and front end of the outer otic placode connecting rod of three-jaw 302.3 is connected to the right respectively outside parallel three-jaw before and after two panels
Otic placode 302.1, the right end of the outer otic placode of four three-jaws 302.1 are provided with longitudinal connecting hole, the outer otic placode connecting rod of three-jaw 302.3
Leading portion and back segment, which are distinguished, connects to the right otic placode 302.2 in three-jaw, and the right end of otic placode 302.2 is provided with longitudinal company in two panels three-jaw
Connect hole, in a piece of three-jaw of front side otic placode 302.2 in outer three-jaw of the otic placode 302.1 by a longitudinal direction of two panels three-jaw of front side
Otic placode connecting rod 302.4 connects, and otic placode 302.2 passes through with otic placode 302.1 outside the two panels three-jaw of rear side in a piece of three-jaw of rear side
Otic placode connecting rod 302.4 connects in the three-jaw of a piece longitudinal direction, leading portion, stage casing and the back segment point of otic placode connecting rod 302.3 outside three-jaw
Connection three-jaw pawl does not refer to 302.5 to the left, and three three-jaw pawls, which refer to, is separately connected the three of a longitudinal direction between left section of 302.5 and right section
Pawl pawl refers to connecting rod 302.6；Every three-jaw pawl refers to the three-jaw blade tooth 302.7 that three longitudinal directions are evenly arranged on 302.5 top surfaces；
Wherein two two pawl pawls refer to 301.5 and three three-jaw pawls refer to 302.5 dislocation arrangement, two pawl blade tooths of three longitudinal directions
301.7 and 302.7 positions of three-jaw blade tooth of three longitudinal directions correspond to；
Olecranon folder 3 is made by olecranon clamp mould, and olecranon clamp mould includes two pawl molds 1 and three-jaw mold 2；
Wherein, olecranon presss from both sides two pawl mechanisms 301 and olecranon folder three-jaw mechanism 302 passes through two pawl molds 1 and three-jaw mold 2 respectively
It makes,
The two pawls mold 1 includes two pawl die bottom plates 101, and the two pawls die bottom plate 101 is the rectangle being horizontally arranged
Plate, the bottom of the two pawls die bottom plate 101 are respectively set that there are one two vertical pawl supporting legs of mould close to corner location
102, right section and left section of the two pawls die bottom plate, 101 front is respectively arranged with right 103 He of supporting bar of longitudinally arranged two pawls mold
The left supporting bar 104 of two pawl molds, the top surface back segment and top surface leading portion of the two pawls die bottom plate 101 are connected with two panels two to the left respectively
The outer limiting plate 105 of pawl mold, the general shape of limiting plate 105 matches two pawl molds with outer 301.1 shape of otic placode of two pawls outside, front
The left side of the outer limiting plate of two pawl mold of two panels 105 be connected with two longitudinal the first reinforcing ribs of pawl mold 106, the two panels two at rear
The left side of limiting plate 105 is connected with two longitudinal the first reinforcing ribs of pawl mold 106, the two pawls die bottom plate 101 outside pawl mold
Top surface stage casing be connected with limiting plate 107 in two pawl mold of two panels to the left, the left side connection of limiting plate 107 in two pawl mold of two panels
There are two longitudinal the second reinforcing ribs of pawl mold 108, be located at 107 outside of limiting plate in two pawl mold of two panels and be located at outside two pawl molds
It is provided with two pawl mold supporting springs 109 on two pawl die bottom plates 101 of 105 inside region of limiting plate, is limited outside the two pawls mold
Being both provided on right section of plate 105 and mold supporting spring 109 can be for two pawl mould of the limit of otic placode connecting rod 301.3 placement outside two pawls
Has a groove, the corresponding position in the outer 105 and two pawl mold of limiting plate of the two pawls mold on 107 left end of limiting plate is provided with front and back
Two the first trepannings of pawl mold 111 that two the first axis pin of pawl mold 110 of confession of perforation is worn, the outer limiting plate of two pawl molds 105 it is upper
End is provided with two the second trepannings of pawl mold 113 that front and back two the second axis pin of pawl mold 112 of confession penetrated through is worn；
When producing olecranon two pawl mechanism 301 of folder：
Step 1: otic placode connecting rod 301.3 outside two pawls is first positioned over limiting plate 105 and mold supporting spring outside two pawl molds
In 109 two pawl mold grooves；
Step 2: otic placode 301.1 outside two pawls is then respectively placed in 105 He of limiting plate outside the two pawl mold of two panels in front
Outside the two pawl mold of two panels at rear between limiting plate 105, it is arranged in two pawl molds second by two the second axis pins of pawl mold 112 and opens
Outside hole 113 and two pawl molds in first connecting hole of limiting plate 105, thus by otic placode 301.1 outside two pawls and two pawl external ears
The relative position of plate connecting rod 301.3 is fixed, otic placode 301.1 outside the outer otic placode connecting rod 301.3 of two pawls of welding and two pawls；
Between the outer limiting plate 105 of the two pawl mold of two panels in front and the outer limiting plate of the two pawl mold of two panels at rear 105 away from
From being A, A disclosure satisfy that the relative position of the outer limiting plate of two pawl molds of the olecranon folder of different excavator types repackings 105, two
It is exactly guide plate during pawl 301.1 use of outer otic placode, A is exactly that guide plate width minimum out-to-out and maximum out-to-out are come
Determining；
Step 3: being arranged in second connecting hole and two of otic placode 301.2 in two pawls by two the first axis pins of pawl mold 110
In pawl mold in two the first trepannings of pawl mold 111 of limiting plate 107, to which otic placode outside otic placode 301.2 in two pawls and two pawls be connected
The relative position of extension bar 301.3 is fixed, otic placode 301.2 in the outer otic placode connecting rod 301.3 of two pawls of welding and two pawls；
The distance between limiting plate 107 is B in two pawl mold of two panels, and B disclosure satisfy that the hawk of different excavator type repackings
The relative position of limiting plate 107 in two pawl molds of mouth folder during the use of the distance between otic placode 301.2 is exactly ten in two pawls
Word weld width, B are exactly cruciform joint width range to determine；
Step 4: placing two pawl pawls in the left supporting bar of the right 103 and two pawl mold of supporting bar of two pawl molds 104 refers to 301.5, by two
Pawl pawl refer to 301.5 and two the outer otic placode connecting rod of pawl 301.3 weld；
Step 5: referring in two pawl pawls two pawl pawls are worn on 301.5 refer to connecting rod 301.6 and weld；
Two pawl blade tooths 301.7 are welded on 301.5 Step 6: referring in two pawl pawls；
Step 7: the olecranon for removing semi-finished product presss from both sides two pawl mechanisms 301, two pawls are then worn in otic placode 301.1 outside two pawls
Interior otic placode connecting rod 301.4, then otic placode 301.2 in otic placode connecting rod 301.4 and two pawls is welded in two pawls, it completes olecranon and presss from both sides two pawls
Mechanism 301 makes.
The three-jaw mold 2 includes three-jaw die bottom plate 201, and the three-jaw die bottom plate 201 is the rectangle being horizontally arranged
Plate, the bottom of the three-jaw die bottom plate 201 are respectively set that there are one vertical three close to corner location and middle part front and back position
Pawl supporting legs of mould 202,201 left section of front of the three-jaw die bottom plate and stage casing are respectively arranged with longitudinally arranged three-jaw mold
Supporting bar 204 in left supporting bar 203 and three-jaw mold, right half section of the top surface back segment of the three-jaw die bottom plate 201 and top surface are from extroversion
It is inside disposed in the three-jaw mold connected up outer limiting plate 205, three-jaw mold and is limited in limiting plate 206 and three-jaw mold
Position plate 207, the general shape of limiting plate 205 matches three-jaw mold with outer 302.1 shape of otic placode of three-jaw outside, is limited in three-jaw mold
The lateral position of plate 206 is corresponding with the right fragment position of limiting plate outside three-jaw mold 205, the cross of limiting plate 207 in three-jaw mold
It is corresponding with the left fragment position of limiting plate 205 outside three-jaw mold to position, 205 left sections of the outer limiting plate of three-jaw mold and three-jaw mold
Being provided on interior limiting plate 207 can be for the three-jaw mold groove that the limit of otic placode connecting rod 302.3 is placed outside three-jaw, three-jaw mold
The leading portion and back segment of middle supporting bar 204 have set up three-jaw mold partition board 208, limiting plate 206 and three-jaw mold in three-jaw mold
Right section of outer limiting plate 205 is provided with the corresponding longitudinally through three-jaw mould worn for the first axis pin of three-jaw mold 210 in position
Has the first trepanning 209, it is corresponding to be provided with position for left section of the outer limiting plate of limiting plate 207 and three-jaw mold 205 in three-jaw mold
Longitudinally through the second trepanning of three-jaw mold 211 worn for the second axis pin of three-jaw mold 112；
When producing olecranon folder three-jaw mechanism 302：
Step 1: otic placode connecting rod 302.3 outside three-jaw is first positioned over 205 left sections of limiting plate and three-jaw mould outside three-jaw mold
In three-jaw mold groove in tool on limiting plate 207；
It is limited Step 2: then otic placode outside three-jaw 302.1 is positioned over outside three-jaw mold in limiting plate 205 and three-jaw mold
Between plate 206, otic placode 302.1 outside the first trepanning of three-jaw mold 209 and three-jaw is arranged in by the first axis pin of three-jaw mold 210
Connecting hole in, to fixing otic placode outside three-jaw 302.1 and the relative position of otic placode connecting rod 302.3 outside three-jaw, weld three
Otic placode 302.1 outside the outer otic placode connecting rod 302.3 of pawl and three-jaw；
The distance between limiting plate 206 is C in the outer limiting plate 205 of three-jaw mold and three-jaw mold, and C disclosure satisfy that difference
The relative position of limiting plate 206 in the outer limiting plate 205 of three-jaw mold and three-jaw mold of the olecranon folder of excavator type repacking；
Step 3: otic placode in three-jaw 302.2 is positioned in two panels three-jaw mold between limiting plate 207, pass through the second pin
Axis 112 is arranged in three-jaw mold otic placode 302.2 in limiting plate 207 and three-jaw, to by otic placode in three-jaw 302.2 and three-jaw
The relative position of outer otic placode connecting rod 302.3 is fixed, otic placode 302.2 in the outer otic placode connecting rod 302.3 of welding three-jaw and three-jaw；
The distance between limiting plate 207 is D in two panels three-jaw mold, and D disclosure satisfy that the hawk of different excavator type repackings
The relative position of limiting plate 207 in the three-jaw mold of mouth folder during the use of the distance between otic placode 301.2 is exactly to struggle against in two pawls
Bar width, D are exactly dipper width range to determine；
Step 4: placing three-jaw pawl in supporting bar 204 in the left supporting bar 203 of three-jaw mold and three-jaw mold refers to 302.5, by three
Pawl pawl refers to 302.5 and outer 302.3 welding of otic placode connecting rod of three-jaw；
Step 5: referring in three-jaw pawl three-jaw pawl is worn on 302.5 refer to connecting rod 302.6 and weld；
Three-jaw blade tooth 302.7 is welded on 302.5 Step 6: referring in three-jaw pawl；
Step 7: remove the olecranon folder three-jaw mechanism 302 of semi-finished product, then otic placode 302.1 and three-jaw inner ear outside three-jaw
Plate 302.2 wears otic placode connecting rod 302.4 in three-jaw and welds, and completes olecranon and presss from both sides the making of two pawl mechanisms 301.
Two pawl molds 1 and three-jaw mold 2 this two sleeve clamps can be with the corresponding olecranon of the almost all of excavator model of wildcard
Folder, can be such that our production more accelerates, manufacturing cost minimumization in this way.
The assembling of the two is carried out after olecranon presss from both sides two pawl mechanisms 301 and olecranon folder three-jaw mechanism 302 completes the production so that two
Person is assembled integrally with dipper 303, dipper Telescopic-cylinder end 304 and connecting rod 305.
The specific application example that the above is only the present invention, is not limited in any way protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (6)
1. the production method that a kind of olecranon for engineering machinery presss from both sides, it is characterised in that made of olecranon clamp mould, hawk
Mouth clamp mould includes two pawl molds (1) and three-jaw mold (2)；
Wherein, olecranon presss from both sides two pawl mechanisms (301) and olecranon folder three-jaw mechanism (302) passes through two pawl molds (1) and three-jaw mould respectively
Have (2) to make,
Olecranon folder (3) includes that olecranon presss from both sides two pawl mechanisms (301) and olecranon folder three-jaw mechanism (302), wherein olecranon folder three-jaw mechanism
(302) two connecting holes are fixedly connected in the end of the dipper (303) of excavator, and olecranon presss from both sides the of two pawl mechanisms (301)
One connecting hole is articulated with the end of the dipper (303) of excavator, and second connecting hole that olecranon presss from both sides two pawl mechanisms (301) is hinged
In on dipper Telescopic-cylinder end (304), olecranon press from both sides second connecting hole of two pawl mechanisms (301) simultaneously also with a connecting rod
(305) first end connection, the second end of connecting rod (305) and the dipper (303) of excavator are hinged；
Olecranon presss from both sides pawl point under two pawl mechanism (301) horizontal states, and, towards upper right side, it includes two that the olecranon, which presss from both sides two pawl mechanisms (301),
Otic placode (301.2) in the outer otic placode (301.1) of two pawl of piece, two pawl of two panels, the outer otic placode connecting rod (301.3) of two pawls, one piece two
Otic placode connecting rod (301.4), two two pawl pawls refer to (301.5) in pawl and two two pawl pawls refer to connecting rod (301.6), outside two pawls
Otic placode connecting rod (301.3) is longitudinally arranged, and the rear and front end of the outer otic placode connecting rod (301.3) of two pawls connects a piece of two to the left respectively
The outer otic placode (301.1) of pawl, the left upper end of the outer otic placode (301.1) of two pawls are provided with first longitudinal connecting hole, otic placode in two pawls
Connecting rod (301.4) is longitudinally connected between the middle part of otic placode (301.1) outside two pawl of two panels, the outer otic placode connecting rod of two pawls
(301.3) leading portion and back segment is connected with otic placode (301.2) in a piece of two pawl to the left respectively, otic placode (301.2) in two pawl of two panels
Front and back parallel arrangement, and the upper right side of otic placode (301.2) is separately connected otic placode connecting rod (301.4) in two pawls in two pawl of two panels
Leading portion and back segment, the lower-left end of otic placode (301.2) is provided with second longitudinal connecting hole in two pawl of two panels, and the outer otic placode of two pawls connects
The leading portion and back segment of extension bar (301.3) connect to the right two pawl pawls and refer to (301.5) respectively, and two two pawl pawls refer to left section of (301.5)
And it is separately connected two pawl pawls of a longitudinal direction between right section and refers to connecting rod (301.6)；
Olecranon presss from both sides pawl point under three-jaw mechanism (302) horizontal state and includes four towards upper left side, the olecranon folder three-jaw mechanism (302)
Otic placode (302.2) in the outer otic placode (302.1) of piece three-jaw, two panels three-jaw, the outer otic placode connecting rod (302.3) of a three-jaw, two pieces three
Otic placode connecting rod (302.4), three three-jaw pawls refer to (302.5) in pawl and two three-jaw pawls refer to connecting rod (302.6), outside three-jaw
Otic placode connecting rod (302.3) is longitudinally arranged, before the rear and front end of otic placode connecting rod (302.3) connects two panels to the right respectively outside three-jaw
The right end of the outer otic placode (302.1) of parallel three-jaw afterwards, the outer otic placode (302.1) of four three-jaws is provided with longitudinal connecting hole, three-jaw
The leading portion and back segment of outer otic placode connecting rod (302.3), which are distinguished, connects to the right otic placode (302.2) in three-jaw, otic placode in two panels three-jaw
(302.2) right end is provided with longitudinal connecting hole, in a piece of three-jaw of front side otic placode (302.2) with outside the two panels three-jaw of front side
Otic placode connecting rod (302.4) connects in the three-jaw that otic placode (302.1) passes through a longitudinal direction, otic placode in a piece of three-jaw of rear side
(302.2) otic placode connecting rod (302.4) connects in the three-jaw for passing through a longitudinal direction with the outer otic placode (302.1) of the two panels three-jaw of rear side
It connects, connection three-jaw pawl refers to (302.5) to the left respectively for leading portion, stage casing and the back segment of the outer otic placode connecting rod (302.3) of three-jaw, three three
Pawl pawl, which refers to, to be separately connected the three-jaw pawl of a longitudinal direction and refers to connecting rod (302.6) between left section of (302.5) and right section；
Wherein two two pawl pawls refer to (301.5) and three three-jaw pawls refer to (302.5) dislocation arrangement；
The two pawls mold (1) includes two pawl die bottom plates (101), and the two pawls die bottom plate (101) is the square being horizontally arranged
Shape plate, right section and left section of two pawls die bottom plate (101) front are respectively arranged with the longitudinally arranged right supporting bar of two pawls mold
(103) distinguish to the left with the two left supporting bars of pawl mold (104), the top surface back segment and top surface leading portion of the two pawls die bottom plate (101)
It is connected with the outer limiting plate (105) of two pawl mold of two panels, general shape and the outer otic placode of two pawls of the outer limiting plate (105) of two pawl molds
(301.1) shape matches, and the top surface stage casing of the two pawls die bottom plate (101) is connected with limiting plate in two pawl mold of two panels to the left
(107), it is located in two pawl mold of two panels on the outside of limiting plate (107) and positioned at outer limiting plate (105) inside region of two pawl molds
Be provided with two pawl mold supporting springs (109) on two pawl die bottom plates (101), right section of the outer limiting plate (105) of the two pawls mold and
Being both provided on mold supporting spring (109) can be for the two pawl mold grooves that otic placode connecting rod (301.3) limit is placed outside two pawls, institute
It states the corresponding position in the outer limiting plate (105) of two pawl molds and two pawl molds on limiting plate (107) left end and is provided with front and back perforation
Two the first trepannings of pawl mold (111) that wear of two the first axis pin of pawl mold (110) of confession, the outer limiting plate (105) of two pawl molds
Upper end is provided with two the second trepannings of pawl mold (113) that front and back two the second axis pin of pawl mold (112) of confession penetrated through is worn；
The three-jaw mold (2) includes three-jaw die bottom plate (201), and the three-jaw die bottom plate (201) is the square being horizontally arranged
Shape plate, left section of three-jaw die bottom plate (201) front and stage casing are respectively arranged with the longitudinally arranged left supporting bar of three-jaw mold
(203) supporting bar (204) and in three-jaw mold, right half section of the top surface back segment of the three-jaw die bottom plate (201) and top surface are from extroversion
Inside it is disposed with limiting plate (206) and three-jaw mold in the three-jaw mold connected up outer limiting plate (205), three-jaw mold
The general shape of interior limiting plate (207), the outer limiting plate (205) of three-jaw mold is matched with outer otic placode (302.1) shape of three-jaw, three-jaw
The lateral position of limiting plate (206) is corresponding with the outer right fragment position of limiting plate (205) of three-jaw mold in mold, in three-jaw mold
The lateral position of limiting plate (207) is corresponding with the outer left fragment position of limiting plate (205) of three-jaw mold, the outer limiting plate of three-jaw mold
(205) being provided on limiting plate (207) in left section and three-jaw mold can place for otic placode connecting rod (302.3) limit outside three-jaw
Three-jaw mold groove, the leading portion and back segment of supporting bar (204) have set up three-jaw mold partition board (208) in three-jaw mold, three
Right section of the outer limiting plate (205) of limiting plate (206) and three-jaw mold is provided with the corresponding longitudinally through confession in position in pawl mold
The first trepanning of three-jaw mold (209) that the first axis pin of three-jaw mold (210) is worn, limiting plate (207) and three-jaw in three-jaw mold
Left section of the outer limiting plate (205) of mold is provided with that position is corresponding longitudinally through to be worn for the second axis pin of three-jaw mold (112)
The second trepanning of three-jaw mold (211)；
When producing olecranon two pawl mechanism (301) of folder：
Step 1: otic placode connecting rod (301.3) outside two pawls is first positioned over the outer limiting plate (105) of two pawl molds and mold supporting spring
(109) in two pawl mold grooves；
Step 2: the outer limiting plate (105) of then two pawl mold of two panels that otic placode (301.1) outside two pawls is respectively placed in front and
Between the outer limiting plate (105) of the two pawl mold of two panels at rear, two pawl molds the are arranged in by two the second axis pins of pawl mold (112)
In first connecting hole of two trepannings (113) and the outer limiting plate (105) of two pawl molds, thus by otic placode (301.1) outside two pawls
It is fixed with the relative position of otic placode connecting rod (301.3) outside two pawls, the outer otic placode connecting rod (301.3) of two pawls of welding and two pawl external ears
Plate (301.1)；
Step 3: being arranged in second connecting hole and two of otic placode (301.2) in two pawls by two the first axis pins of pawl mold (110)
In pawl mold in two the first trepannings of pawl mold (111) of limiting plate (107), to will be outside otic placode (301.2) in two pawls and two pawls
The relative position of otic placode connecting rod (301.3) is fixed, otic placode in the outer otic placode connecting rod (301.3) of two pawls of welding and two pawls
(301.2)；
Refer to (301.5) Step 4: placing two pawl pawls in the two right supporting bars of pawl mold (103) and the two left supporting bars of pawl mold (104), it will
Two pawl pawls refer to (301.5) and are welded with the outer otic placode connecting rod (301.3) of two pawls；
Step 5: referring in two pawl pawls two pawl pawls are worn on (301.5) refer to connecting rod (301.6) and weld；
Step 6: the olecranon for removing semi-finished product presss from both sides two pawl mechanisms (301), then two pawls are worn in otic placode (301.1) outside two pawls
Interior otic placode connecting rod (301.4), then otic placode (301.2) in otic placode connecting rod (301.4) and two pawls is welded in two pawls, complete olecranon
Press from both sides the making of two pawl mechanisms (301)；
When producing olecranon folder three-jaw mechanism (302)：
Step 1: otic placode connecting rod (302.3) outside three-jaw is first positioned over left section of the outer limiting plate (205) of three-jaw mold and three-jaw mould
In three-jaw mold groove in tool on limiting plate (207)；
It is limited Step 2: then otic placode outside three-jaw (302.1) is positioned in the outer limiting plate (205) of three-jaw mold and three-jaw mold
Between plate (206), the first trepanning of three-jaw mold (209) and three-jaw external ear are arranged in by the first axis pin of three-jaw mold (210)
In the connecting hole of plate (302.1), thus by the opposite position of otic placode outside three-jaw (302.1) and the outer otic placode connecting rod (302.3) of three-jaw
Set fixation, the outer otic placode connecting rod (302.3) of welding three-jaw and the outer otic placode (302.1) of three-jaw；
Step 3: otic placode in three-jaw (302.2) is positioned in two panels three-jaw mold between limiting plate (207), pass through the second pin
Axis (112) is arranged in three-jaw mold otic placode (302.2) in limiting plate (207) and three-jaw, to by otic placode in three-jaw
(302.2) relative position with the outer otic placode connecting rod (302.3) of three-jaw is fixed, the outer otic placode connecting rod (302.3) of welding three-jaw and
Otic placode (302.2) in three-jaw；
Refer to (302.5) Step 4: placing three-jaw pawl in supporting bar (204) in the left supporting bar of three-jaw mold (203) and three-jaw mold, it will
Three-jaw pawl refers to (302.5) and is welded with the outer otic placode connecting rod (302.3) of three-jaw；
Step 5: referring in three-jaw pawl three-jaw pawl is worn on (302.5) refer to connecting rod (302.6) and weld；
Step 6: removing the olecranon folder three-jaw mechanism (302) of semi-finished product, then otic placode (302.1) and three-jaw inner ear outside three-jaw
Plate (302.2) wears otic placode connecting rod (302.4) in three-jaw and welds, and completes olecranon and presss from both sides the making of two pawl mechanisms (301)；
The assembling of the two is carried out after olecranon presss from both sides two pawl mechanisms (301) and olecranon folder three-jaw mechanism (302) completes the production so that two
Person is assembled integrally with dipper (303), dipper Telescopic-cylinder end (304) and connecting rod (305).
2. the production method that a kind of olecranon for engineering machinery according to claim 1 presss from both sides, it is characterised in that every two
Pawl pawl refers to the two pawl blade tooths (301.7) that three longitudinal directions are evenly arranged on (301.5) top surface；Every three-jaw pawl refers to (302.5) top
The three-jaw blade tooth (302.7) of three longitudinal directions is evenly arranged on face；Two pawl blade tooths (301.7) of three longitudinal directions and three longitudinal directions
Three-jaw blade tooth (302.7) position corresponds to, and two pawl blade tooths (301.7) and three-jaw blade tooth (302.7) press from both sides two pawls in production olecranon respectively
It is completed when mechanism (301) and the step of production when olecranon presss from both sides three-jaw mechanism (302) between five and step 6.
3. the production method that a kind of olecranon for engineering machinery according to claim 1 presss from both sides, it is characterised in that described two
The bottom of pawl die bottom plate (101) is respectively set that there are one two vertical pawl supporting legs of mould (102) close to corner location.
4. the production method that a kind of olecranon for engineering machinery according to claim 1 presss from both sides, it is characterised in that front
It is connected with two longitudinal the first reinforcing ribs of pawl mold (106), the two panels at rear on the left of the outer limiting plate (105) of two pawl mold of two panels
It is connected with two longitudinal the first reinforcing ribs of pawl mold (106) on the left of the outer limiting plate (105) of two pawl molds.
5. the production method that a kind of olecranon for engineering machinery according to claim 1 presss from both sides, it is characterised in that two panels two
Two longitudinal the second reinforcing ribs of pawl mold (108) are connected in pawl mold on the left of limiting plate (107).
6. the production method that a kind of olecranon for engineering machinery according to claim 1 presss from both sides, it is characterised in that described three
The bottom of pawl die bottom plate (201) is respectively set close to corner location and middle part front and back position there are one vertical three-jaw mold branch
Spike (202).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810734241.7A CN108643270B (en) | 2018-07-06 | 2018-07-06 | Manufacturing method of olecranon clip for engineering machinery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810734241.7A CN108643270B (en) | 2018-07-06 | 2018-07-06 | Manufacturing method of olecranon clip for engineering machinery |
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| CN108643270B CN108643270B (en) | 2020-08-11 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5918796U (en) * | 1982-07-28 | 1984-02-04 | 有限会社山陽「鎔」接工業所 | hydraulic fork |
| JPH0178682U (en) * | 1987-11-18 | 1989-05-26 | ||
| JPH0633885U (en) * | 1992-10-09 | 1994-05-06 | 有限会社尾崎製作所 | Grasp fork device for power shovel |
| JP2574516Y2 (en) * | 1992-11-05 | 1998-06-18 | 有限会社尾崎製作所 | Gripping fork device for excavator |
| JPH11182062A (en) * | 1997-12-25 | 1999-07-06 | Isamu Fujimori | Attachment movable arm of power shovel |
| US20110068205A1 (en) * | 1999-10-15 | 2011-03-24 | Ramun John R | Demolition Tool Unit And Method Of Designing And Forming A Demolition Tool Unit |
-
2018
- 2018-07-06 CN CN201810734241.7A patent/CN108643270B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5918796U (en) * | 1982-07-28 | 1984-02-04 | 有限会社山陽「鎔」接工業所 | hydraulic fork |
| JPH0178682U (en) * | 1987-11-18 | 1989-05-26 | ||
| JPH0633885U (en) * | 1992-10-09 | 1994-05-06 | 有限会社尾崎製作所 | Grasp fork device for power shovel |
| JP2574516Y2 (en) * | 1992-11-05 | 1998-06-18 | 有限会社尾崎製作所 | Gripping fork device for excavator |
| JPH11182062A (en) * | 1997-12-25 | 1999-07-06 | Isamu Fujimori | Attachment movable arm of power shovel |
| US20110068205A1 (en) * | 1999-10-15 | 2011-03-24 | Ramun John R | Demolition Tool Unit And Method Of Designing And Forming A Demolition Tool Unit |
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| Publication number | Publication date |
|---|---|
| CN108643270B (en) | 2020-08-11 |
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