CN110121478A - Load handling implement and the hydraulic crane including this load handling implement - Google Patents
Load handling implement and the hydraulic crane including this load handling implement Download PDFInfo
- Publication number
- CN110121478A CN110121478A CN201780075884.9A CN201780075884A CN110121478A CN 110121478 A CN110121478 A CN 110121478A CN 201780075884 A CN201780075884 A CN 201780075884A CN 110121478 A CN110121478 A CN 110121478A
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- China
- Prior art keywords
- jaw portion
- pivotal arm
- coupling member
- crane
- relative
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/02—Bucket grabs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/14—Grabs opened or closed by driving motors thereon
Abstract
A kind of load handling implement, it is attached to crane jib, and the actuation means (4) including the first and second buckets jaw portion (10,30) for being pivotably connected to carrier head (2) via corresponding pivotal arm (11,31) and for pivoting pivotal arm and the jaw portion that struggles against relative to carrier head.Each bucket jaw portion (10,30) is hingedly connected to association pivotal arm (11,31), and it can be pivoted between fold-down operating position and the storage location being folded up relative to pivotal arm, wherein, bucket jaw portion is configured to be located between pivotal arm and puts relative to one another in the storage location being folded up.In fold-down operating position, each bucket jaw portion can be locked to associated pivotal arm by locking device (14,34).The invention further relates to the hydraulic cranes for being provided with this load handling implement.
Description
Technical field
The present invention relates to the load handling implements of preamble according to claim 1.The invention further relates to include this
Load the hydraulic crane of handling implement.
Background technique
The crane jib for being installed to the form with so-called outer sunpender can be set in common lorry-mounted crane
The load handling implement of outer end, outer sunpender telescopically may extend away and be hingedly connected to the another of the form with so-called interior sunpender
One crane jib, wherein interior sunpender is hingedly connected to the rotatable column of crane in turn.
Previously from the load handling implement of preamble according to claim 1 known to 2 778 109 A1 of EP.This was previously
Known load handling implement has the form of the clamshell shape bucket with open shells, and is intended to be installed to crane jib,
In, one in the bucket jaw portion (jaw) of clamshell shape bucket (bucket) is provided with recess portion, and the recess portion is for receiving crane jib
A part, to allow crane jib and clamshell shape bucket that compact stop position is presented.Disclosed in 2 778 109 A1 of EP
Clamshell shape bucket is particularly suitable for being used together with so-called Z- type crane, Z- type crane be in 1 475 345 A1 of EP and
The hydraulic wagon crane of type shown in 4 183 712 A of US, wherein when to transport or store crane, lifting
The interior sunpender and outer sunpender of machine are collapsible into compact Z- shape stop position.When the outer sunpender of Z- type crane is in operating position
When moving between stop position, the tip of outer sunpender will never be passed through in the lateral position of crane stake, which means that ought hang outside
When bar moves between operating position and stop position, the clamshell shape bucket for being installed to the outer end of outer sunpender will never interfere column.
There is also the hydraulic wagon cranes of another general type, are hereinafter named as folding knuckle sunpender and rise
Heavy-duty machine, wherein when being moved in stop position, such as compared with the outer sunpender of Z- type crane, outer sunpender is along relative to interior
The opposite direction of sunpender folds.This folding knuckle boom crane is for example in EP 0 360 071 A1 and EP 1
It is shown in 580 159 A1.When the type folding knuckle boom crane outer sunpender in operating position and aircraft gate
When moving between setting, the tip of outer sunpender will be passed through in the lateral position of crane stake, it means that when outer sunpender is in operating position
When moving between stop position, the clamshell shape bucket for being installed to the outer end of outer sunpender will interfere column.Therefore, in outer sunpender from work
Position is moved to before stop position, it is necessary to remove clamshell shape bucket from crane.For craneman, from outer sunpender
Remove clamshell shape bucket and constitute unexpected time-consuming task, and it is meant that necessarily take up the space on truck with
In the clamshell shape bucket that storage removes.
Summary of the invention
The purpose of the present invention is provide solution for the above problem.
According to the present invention, the purpose is by means of having the load handling implement of the feature limited in claim 1 to realize.
Load handling implement of the invention includes:
Carrier head is configured for being connected to crane jib；
The the first and second bucket jaw portions positioned relative to each other, the first bucket jaw portion are pivotably connected to load via the first pivotal arm
Body head, and the second bucket jaw portion is pivotably connected to carrier head via the second pivotal arm, so that the jaw portion that allows to struggle against pivots towards each other
It is loaded to grasp, and away from each other to discharge grasped load, each pivotal arm has first in face of carrier head
End and opposite second end, wherein each pivotal arm is pivotably connected to carrier head at its first end；And
Actuation means are used to pivot pivotal arm relative to carrier head, and thus pivot bucket jaw portion.
Each pivotal arm is hingedly connected to associated bucket jaw portion at its second end, so that the jaw portion that allows to struggle against is relative to pivot
Arm pivots between fold-down operating position and the storage location being folded up, wherein bucket jaw portion is configured to be located in
It is put relative to one another between pivotal arm and in the storage location being folded up.Loading handling implement includes the first locking device
With the second locking device, the first locking device is used in fold-down operating position the first bucket jaw portion being locked to the first pivot
Pivoted arm, the second locking device are used in fold-down operating position the second bucket jaw portion being locked to the second pivotal arm.
Load handling implement of the invention can be taken to by the way that bucket jaw portion is moved to the storage location being folded up
In compact condition, and under the action of acting on the actuation means of pivotal arm, it is compact that load handling implement can be maintained at this
In state.The folding load handling implement of the type is suitable for the folding knuckle boom crane with the above-mentioned type
It is used together, wherein when outer sunpender moves between operating position and stop position, in the storage position being folded up
The load handling implement in the bucket jaw portion set can remain connected to the outer end of outer sunpender, closer in specification such as hereinafter
It is explained in detail.
The more features of load handling implement according to the present invention is according in following description and dependent claims
Obviously.
The invention further relates to the hydraulic cranes with the feature limited in claims 9.
More advantageous features of hydraulic crane according to the present invention will be according to following description and appurtenance
It is apparent in it is required that.
Detailed description of the invention
It is hereafter the specific descriptions as the embodiment of the present invention of example reference with reference to attached drawing.In the accompanying drawings:
Fig. 1 is the perspective view of the load handling implement of first embodiment according to the present invention, as it can be seen, load processing work
The bucket jaw portion of tool is locked in fold-down operating position,
Fig. 2 is the side view of the load handling implement of Fig. 1, wherein bucket jaw portion is locked in fold-down operating position,
Fig. 3-5 is the partial view of the load handling implement of Fig. 1, wherein bucket jaw portion is locked in fold-down operating position
In,
Fig. 6 is the perspective view of the load handling implement of Fig. 1, as it can be seen, bucket jaw portion is unlocked in fold-down work
In position,
Fig. 7 is the partial view of the load handling implement of Fig. 1, wherein bucket jaw portion is unlocked in fold-down operating position,
Fig. 8 is the perspective view of the load handling implement of Fig. 1, as it can be seen, jaw portion is struggled against in the storage location being folded up,
Fig. 9 is the side view of the load handling implement of Fig. 1, wherein jaw portion is struggled against in the storage location being folded up,
Figure 10 is the partial view of the load handling implement of Fig. 1, wherein jaw portion is struggled against in the storage location being folded up,
Figure 11 is the main view for being provided with the hydraulic crane of load handling implement of the type shown in figs. 1-10,
Figure 12 is the main view of the hydraulic crane of Figure 11, as it can be seen, it is in compact stop position,
Figure 13 is the plan view of the top of the hydraulic crane of slave Figure 11 in stop position,
Figure 14 is the side view of the hydraulic crane of Figure 11 in stop position,
Figure 15 is the partial view of the hydraulic crane of Figure 11 in stop position,
Figure 16 and Figure 17 is included in the holding in the hydraulic crane of Figure 11 and the perspective view of locking mechanism,
Figure 18 a-18h is the front view of the hydraulic crane of Figure 11, as it can be seen, it is in crane from stop position to perpendicular
The mobile period of vertical operating position is in different phase,
Figure 19 is the partial view of the hydraulic crane in the position shown in Figure 18 c,
Figure 20-22 is the partial view of the hydraulic crane in the position shown in Figure 18 d,
Figure 23 and Figure 24 is the partial view of the hydraulic crane in the position shown in Figure 18 e, and,
Figure 25 is the perspective view of the load handling implement of second embodiment according to the present invention, as it can be seen, at bucket jaw portion
In the storage location being folded up.
Specific embodiment
The load handling implement 1 of embodiment according to the present invention is shown in figs. 1-10.As shown in Figure 11, at load
Science and engineering tool 1 will be attached to crane jib.In the example presented in the figure, load handling implement 1 is designed to open shells
Clamshell bucket.
Load handling implement 1 includes carrier head 2 and the rotary body 3 for being installed to carrier head, wherein carrier head 2 is configured to
Crane jib is connected to via rotary body 3.Loading handling implement 1 can revolve by means of rotary body 3 relative to crane jib
Turn.Load handling implement 1 further includes the first and second bucket jaw portions 10,30 for being carried and being located opposite to each other by carrier head 2.First
Bucket jaw portion 10 is pivotably connected to carrier head 2 via the first pivotal arm 11, and the second bucket jaw portion 30 is via the second pivotal arm 31
It is pivotably connected to carrier head 2, so that the jaw portion 10,30 that allows to struggle against is pivoted towards each other to grasp load, and away from each other
To discharge grasped load.Each bucket jaw portion 10,30 has leading edge 12,32, wherein 12 face of leading edge in the first bucket jaw portion 10
To the leading edge 32 in the second bucket jaw portion 30.
Each pivotal arm 11,31 has first end 11a, 31a and opposite second end 11b, 31b, first end 11a, 31a face
To carrier head 2, second end 11b, 31b faces associated bucket jaw portion 10,30, wherein each pivotal arm 11,31 is in its first end
Carrier head 2 is pivotably connected at 11a, 31a.First pivotal arm 11 surrounds the first pivot axis A1(referring to fig. 2) relative to
Carrier head 2 is pivotable, and the second pivotal arm 31 is pivotable relative to carrier head 2 around the second pivot axis A2, wherein the second pivot
Shaft axis A2 is located in away from a certain distance from the first pivot axis A1, and is extended parallel to the first pivot axis A1.
Each pivotal arm 11,31 is hingedly connected to association bucket jaw portion 10,30 at its second end 11b, 31b, to allow
Bucket jaw portion is relative to pivotal arm 11,31 in fold-down operating position (referring to Fig. 1-7) and the storage location being folded up (ginseng
See Fig. 8-10) between pivot.Bucket jaw portion 10,30 is configured to be located between pivotal arm 11,31, and is seated in relative to one another
In the storage location being folded up, as shown in figs. 8 and 9.
First bucket jaw portion 10 surrounds third pivot axis A3(referring to fig. 2), third pivotable relative to the first pivotal arm 11
Pivot axis A3 is extended in parallel with the first above-mentioned pivot axis A1, wherein between first and third pivot axis A1, A3
Distance is greater than the distance between the leading edge 12 in the bucket of third pivot axis A3 and first jaw portion 10, thus to allow when the first bucket jaw
When portion 10 is in the storage location being folded up, the first bucket jaw portion 10 is received between the first and second pivotal arms 11,31.
Second bucket jaw portion 30 surrounds the 4th pivot axis A4(referring to fig. 2) it is pivotable relative to the second pivotal arm 31, the 4th
Pivot axis A4 is extended in parallel with the second above-mentioned pivot axis A2, wherein in second and the 4th between pivot axis A2, A4
Distance is greater than the distance between the leading edge 32 in the bucket of the 4th pivot axis A4 and second jaw portion 30, thus to allow when the second bucket jaw
When portion 30 is in the storage location being folded up, the second bucket jaw portion 30 is received between the first and second pivotal arms 11,31.
In the shown embodiment, each bucket jaw portion 10,30 has closed bottom surface 13,33.However, at one or two
Settable one or more openings in the bottom surface 13,33 in a bucket jaw portion.
Loading handling implement 1 includes the first locking device 14 and the second locking device 34, and the first locking device 14 is used for
The first bucket jaw portion 10 is locked to the first pivotal arm 11 in fold-down operating position, the second locking device 34 is used for downward
The second bucket jaw portion 30 is locked to the second pivotal arm 31 in the operating position of folding.
Moreover, load handling implement 1 includes actuation means 4, it is used to make pivotal arm 11,31 and thus bucket jaw portion 10,30
It is pivoted relative to carrier head 2.In the embodiment shown in Fig. 1-Figure 10, actuation means 4 are accommodated in hydraulic in carrier head 2
Motor, such as with the liquid of the type of closer datail description in 1 541 771 B1 of DE 202004013158 U1 or EP
Pressure motor.Actuation means 4 include two rotatable driven pivotal axis for being rotatably mounted to carrier head 2, each pivotal axis
For tool there are two opposite shaft end, shaft end is prominent from carrier head 2 on the opposite side of carrier head 2.First pivotal arm 11 is non-rotatable
Ground is fixed to first opposite shaft end 5 in pivotal axis, and the second pivotal arm 31 is fixed non-rotatably to another pivot
The opposite shaft end 6 of axis.Alternatively, actuation means may include one or two hydraulic cylinder, it is used for relative to carrier
First 2 pivot pivotal arm 11,31 and thus pivot bucket jaw portion 10,30.The actuation means of any other suitable type can also be used for phase
Pivotal arm 11,31 is pivoted for carrier head 2.
Load handling implement 1 according to alternate embodiment is shown in FIG. 25.The load handling implement 1 includes with hydraulic
The actuation means 4' of the form of cylinder is vertically disposed in carrier head 2 and is configured to via link mechanism 6 to first and
Two pivotal arms 11,31 work, to pivot pivotal arm 11,31 relative to carrier head 2.As for remainder, show in Figure 25
Load handling implement 1 out corresponds to the load handling implement shown in figs. 1-10.
The first above-mentioned locking device 14 includes can be in unlocked position (referring to Fig. 6-8) and latched position (referring to Fig. 1,3 and
4) at least one locking component 15 moved between, in unlocked position, the first bucket jaw portion 10 exists relative to the first pivotal arm 11
Freedom to pivot between fold-down operating position and the storage location being folded up, in latched position, locking component 15 is anti-
Only the first bucket jaw portion 10 is pivoted relative to the first pivotal arm 11 from fold-down operating position towards the storage location being folded up.
In the shown embodiment, the first locking device 14 includes two this locking components 15, is slippingly installed in the first pivot
Cross bar 16 on pivoted arm 11, so as to be slid between locked and unlocked positions along the cross bar 16.In the example presented in the figure, often
A locking component 15 includes shoulder 17a(referring to Fig. 7), when locking component 15 is in the locked position, as shown in FIG. 4, shoulder
Portion 17a is configured to the correspondence shoulder 17b(in the first bucket jaw portion 10 referring to Fig. 8) it contacts, and thus prevent the first bucket jaw
Portion 10 is pivoted relative to the first pivotal arm 11 towards the storage location being folded up.When locking component 15 is in the unlocked position,
As shown in figures 7 and 8, the shoulder 17a on locking component is no longer connect with the corresponding shoulder 17b in the first bucket jaw portion 10
Touching, and thus the first bucket jaw portion is allowed to deposit in fold-down operating position with what is be folded up relative to the first pivotal arm 11
Storage space pivots between setting.
The second above-mentioned locking device 34 includes can be in unlocked position (referring to Fig. 6 and Figure 10) and latched position (referring to figure
1) at least one locking component 35 moved between, in unlocked position, the second bucket jaw portion 30 exists relative to the second pivotal arm 31
Freedom to pivot between fold-down operating position and the storage location being folded up, in latched position, locking component 35 is anti-
Only the second bucket jaw portion 30 is pivoted relative to the second pivotal arm 31 from fold-down operating position towards the storage location being folded up.
In the shown embodiment, the second locking device 34 includes two this locking components 35, is slippingly installed in the second pivot
Cross bar 36 on pivoted arm 31, so as to be slid between locked and unlocked positions along the cross bar 36.Second locking device 34
Locking component 35 have configuration identical with the locking component 15 of the first locking device 14, and with the first locking device 14
The operation of 15 same way of locking component.
In the shown embodiment, each locking device 14,34 includes handle 18,38, by means of handle 18,38, locking dress
The locking component 15,35 set can move between locked and unlocked positions.Handle 18,38 connects via link mechanism 19,39
It is connected to associated locking component 15,35.
First and second locking devices 14,34 certainly can also configuration and operation in any other suitable manner.Each
Locking device 14,34 can be for example including hydraulic or electric operation actuating unit, in locked
Between moving locking member 15,35.
Each bucket jaw portion 10,30 is provided at least one stopper element 20,40(referring to Fig. 1,5,8 and 10), is configured
At with association pivotal arm 11,31 on correspondence stopper element 21,41 contact, and thus when bucket jaw portion 10,30 relative to
When pivotal arm 11,31 is pivoted to fold-down operating position from the storage location being folded up, it is opposite to stop bucket jaw portion 10,30
In the pivot movement of pivotal arm 21,31.In the shown embodiment, if each bucket jaw portion 10,30 is provided with along bucket jaw part cloth
Do this stopper element 20,40.
When the jaw portion 10,30 that struggles against will be moved to the storage location being folded up from fold-down operating position, structure is locked
Part 15,35 is moved to unlocked position from latched position first.Leading edge 12,32 in the first and second bucket jaw portions 10,30 connects each other
In the case where touching, reduced downward after load handling implement 1 for object outstanding upward, so as to the object will around third and
4th pivot axis A3, A4 pushes the leading edge 12,32 in bucket jaw portion 10,30 upward relative to pivotal arm 11,31 with pivot movement, directly
Be presented on above horizontal plane the position across third and fourth pivot axis A3, A4 to leading edge 12,32 and be therefore upwardly directed to for
Only.The final movement in bucket jaw portion 10,30 to the storage location being folded up, actuating dress are realized by means of above-mentioned actuation means 4
Setting 4 pivots pivotal arm 11,31 towards each other, and thus pushes bucket jaw portion 10,30 towards each other, and to struggle against, jaw portion is forced relative to pivot
Pivoted arm 11,31 further pivots upward, to be finally presented on the storage location being folded up shown in Fig. 8 and 9.Exist later
Under the action of actuation means 4, bucket jaw portion 10,30 is maintained in the storage location being folded up, and actuation means 4 keep bucket jaw portion
It is being clamped in the storage location being folded up between pivotal arm 11,31.Load handling implement 1 is also provided with suitable lock
Device is determined, for keeping bucket jaw portion 10,30 to be locked in the storage location being folded up.Such as the institute in Figure 18 g and Figure 18 h
Show, when to use load handling implement 1 later, pivotal arm 11,31 is pivoted away from each other by means of actuation means 4, so as to
Bucket jaw portion 10,30 is allowed to pivot downward relative to pivotal arm 11,31 under gravity.
(not shown) according to alternate embodiment, load handling implement 1 are provided with hydraulic or electric operation actuating unit, with
For make to struggle against jaw portion 10,30 relative to pivotal arm 11,31 fold-down operating position and the storage location being folded up it
Between pivot.
The hydraulic crane 60 of the load handling implement 1 for the type being outlined above is shown provided in Figure 11-24.Institute
Show that crane 60 is mounted on frame 61, frame 61 for example may be coupled to the chassis of truck.Frame 61 is provided with adjustable
Supporting leg 62, to be used to support crane 60.Crane 60 includes:
Crane base portion 63 is fixed to frame 61；
Column 64 is rotatably mounted to crane base portion 63, thus by means of actuation means (not shown) can relative to rise
Heavy-duty machine base portion is rotated around substantially vertical rotation axis A5；
Can rise with reducible first crane jib 65, be hereinafter named as interior sunpender, it is hinged in one way
It is connected to column 64, so that it can be pivoted relative to column around substantially horizontal rotation axis A6；
First hydraulic cylinder 66 is used to that interior sunpender 65 to be made to rise and reduce relative to column 64；
Can rise with reducible second crane jib 67, be hereinafter named as outer sunpender, it is hinged in one way
It is connected to interior sunpender 65, so that it can be pivoted relative to interior sunpender around substantially horizontal rotation axis A7；And
Second hydraulic cylinder 68 is used for rising and reduction of the outer sunpender 67 relative to interior sunpender 65.
Outer sunpender 67 telescopically may extend away, and realize the adjustment of its development length.Outer sunpender 67 includes base section 67a
With several telescopic crane jib section 67b, outer sunpender 67 is hingedly connected to interior sunpender 65 by base section 67a, can
Flexible crane jib section is carried by base section 67a and can be by means of the liquid of the development length for adjusting outer sunpender 67
Air cylinder 69 is shifted along the longitudinal direction of base section.
Shown in crane 60 be folding knuckle boom crane, wherein as shown in Figure 12-14, when wanting
When transport or storage crane, the interior sunpender 65 and outer sunpender 67 of crane are collapsible into compact stop position.When interior sunpender
65 and outer sunpender 67 when folding into stop position from the setting operating position being shown in FIG. 11, outer sunpender 67 it is scalable
Crane jib section 67b is retracted to first in the base section 67a of outer sunpender, then outer sunpender 67 65 folding of sunpender inwardly downward
It is folded, thus presentation and the substantially parallel position of interior sunpender, as shown in Figure 18 b.Later, interior sunpender 65 and outer sunpender 67 1
It rises and folds into the final stop position being shown in FIG. 12 towards frame 61 from the middle position shown in Figure 18 b downward.When interior
When sunpender 65 and outer sunpender 67 are moved to the operating position of setting from stop position, interior sunpender 65 and outer sunpender 67 are with opposite side
Formula is mobile.
Load handling implement 1 is installed to the outer end of outer sunpender 67.When interior sunpender 65 and outer sunpender 67 are from the working position of setting
It sets when being moved to stop position or operating position from stop position to setting, loads handling implement 1 in order to prevent and strike column
In 64, the bucket jaw portion 10,30 of load handling implement 1 necessarily is in the storage location being folded up, and relative to outer sunpender 67
It is arranged in suitable fixed position.In order to accomplish this point, crane 60 includes keeping with locking mechanism 70(referring to Figure 15-
17) it, keeps and locking mechanism 70 is used to be in the storage location being folded up and negative in the first and second bucket jaw portions 10,30
Handling implement 1 is carried to be in given fixed position relative to outer sunpender 67 and in the case where the lateral position of outer sunpender 67, lock negative
Carry handling implement 1.
In the shown embodiment, it keeps and locking mechanism 70 includes:
First coupling member 72a(referring to Figure 16,17 and 24), be fixed to outer sunpender 67 and be disposed for in the first bucket
Correspondence second coupling member 22(in jaw portion 10 is engaged referring to Figure 11 and 24)；
Third coupling member 72b(referring to Figure 16,17 and 24), be fixed to outer sunpender 67 and be disposed for in the second bucket
The 4th coupling member 42(of correspondence in jaw portion 30 is engaged referring to Figure 11 and 24)；And
Locking component 73(, can be in latched position (referring to Figure 15) and unlocked position (referring to figure referring to Figure 15-17 and 19)
19) moved between, in latched position, locking component 73 prevent first and third coupling member 72a, 72b from bucket jaw portion 10,
Correspondence coupling member 22,42 on 30 is detached from, and in unlocked position, locking component 73 allows first coupling member 72a from second
Coupling member 22 is detached from and third coupling member 72b is detached from from the 4th coupling member 42.
In the example presented in the figure, first and third coupling member 72a, 72b there is the form of hook, however second coupling member 22
Form with the recess portion in the first bucket jaw portion 10, and the 4th coupling member 42 has the recess portion in the second bucket jaw portion 30
Form.In this case, first coupling member 72a can be plugged into second coupling member 22, and third coupling member 72b can be inserted
Enter into the 4th coupling member 42.
It keeps and locking mechanism 70 further includes base structure 74, be fixed to the base section 67a of outer sunpender 67, wherein
First and third coupling member 72a, 72b be fixed to base structure 74 and prominent from base structure 74.In the shown embodiment, it protects
The form that there is lever with the locking component 73 of locking mechanism 70 is held, and base structure 74 is pivotably mounted to by connector 75, from
And it can be pivoted between its latched position and its unlocked position relative to base structure 74 around the connector 75.Locking component 73 is set
Locking member 76(outstanding is equipped with referring to Figure 16 and Figure 19), when locking component 73 is in its latched position, locking member
76 be configured to second or the 4th coupling member 22,42 engage.In the example presented in the figure, as third coupling member 72b and the 4th
When coupling member 42 engages and locking component 73 is in its latched position, locking member 76 is fixed close to third coupling member 72b
Position and be configured to by directly behind third coupling member 72b receive in the 4th coupling member 42, thus to prevent the 4th
Coupling member 42 is slid onto wherein third coupling member 72b relative to third coupling member 72b can be from the 4th coupling member 42
The position being moved.Locking member 76 is located on the first side of above-mentioned connector 75, wherein the center of gravity of locking component 73 is located at should
On the opposite side of connector 75, to allow locking component 73 to pass through under the effect of gravity and according in the space of locking component 73
Orientation the moving in rotation around connector 75, be automatically moved between its latched position and its unlocked position.Therefore, it locks
Component 73 will serve as rocker arm, and according to the orientation in the space of outer sunpender 67 and base structure 74 present its latched position or its
Unlocked position.When outer sunpender 67 and base structure 74 in space have so that the locking member 76 on locking component 73 upward
When the orientation of direction, its latched position will be presented in locking component 73, wherein and locking member 76 is forced to leave outer sunpender 67 outwardly,
As shown in Figure 15.When outer sunpender 67 and base structure 74 have the locking member so that on locking component 73 in space
76 be downwardly directed orientation when (referring to Figure 19), its unlocked position will be presented in locking component 73, wherein locking member 76 is forced court
Inside sunpender 67 outwardly, as shown in Figure 19.
Referring to Figure 14-17 and 21) in the shown embodiment, hook-type guiding elements 77(is set in base structure 74,
In, which is configured for contacting with load handling implement 1, will be relative to ensure to load handling implement 1
Base structure 74 correctly positions, wherein second and the 4th coupling member in the bucket jaw portion 10,30 of load handling implement 1
22,42 front for being located in first and third coupling member 72a, 72b in base structure 74.As shown in Figure 14 and 15,
Hook-type guiding elements 77 is configured to engage with the part 11a of the first pivotal arm 11.
When crane 60 is in stop position, as shown in Figure 12-14, keeps and locking mechanism 70 keeps load
Handling implement 1 is fixed to outer sunpender 67 in the position above outer sunpender and in the lateral position of column 64 and interior sunpender 65, wherein hook
Shape guiding elements 77 is engaged with the first pivotal arm 11, first and third coupling member 72a, 72b in base structure 74 with
The correspondence coupling member 22,42 to struggle against in jaw portion 10,30 engages, and locking component 73 is in its latched position, wherein locking
Element 76 is received in the 4th coupling member 42.When crane 60 will be moved in the operating position of setting, interior sunpender 65
It is pivoted first relative to column 64, and rises to the position shown in Figure 18 a upward from the position being shown in FIG. 12, and into one
It walks on the position shown in Figure 18 b.When outer sunpender 67 and load handling implement 1 show from Figure 12 together with interior sunpender 65
When position out is pivoted to the position shown in Figure 18 b, thus locking component 73 prevents from bearing still in its latched position
It is mobile relative to outer sunpender 67 to carry handling implement 1.In the next step, outer sunpender pivots relative to interior sunpender 65 and from scheming
Position shown in 18b rises to the position shown in Figure 18 c upward, and further on the position shown in Figure 18 d,
Wherein, locking component 73 is automatically pivoted to its unlocked position from its latched position under the effect of gravity, which means that locking member
Part 76 no longer prevents second in bucket jaw portion 10,30 and the 4th correspondence first of the coupling member 22,42 from base structure 74
It is discharged with third coupling member 72a, 72b.In the case where outer sunpender 67 is in the position shown in Figure 18 d, by hanging outside
The short extension of bar 67, second in bucket jaw portion 10,30 and the 4th correspondence of the coupling member 22,42 from base structure 74 the
One and third coupling member 72a, 72b release.Later, by loading handling implement 1 by means of rotary body 3 from Figure 18 d and 20
Shown in position to the position shown in Figure 18 e and 23 rotation, load handling implement 1 can be from base structure 74
Hook-type guiding elements 77 discharges.As shown in Figure 18 g and 18h, load handling implement 1 is freely suspended in outer sunpender 67 now
At outer end, and by pivoting pivotal arm 11,31 with being outwardly away from each other, can permit bucket jaw portion 10,30 under the effect of gravity from
The storage location being folded up is pivoted to fold-down operating position downward.Finally, first and second locking devices 14,34
Locking component 15,35 is moved to latched position from unlocked position, so as to the jaw portion 10,30 that will struggle against in fold-down operating position
It is locked to pivotal arm 11,31.
When the jaw portion 10,30 that struggles against is pivoted to the storage location being folded up from fold-down operating position, pass through
The step shown in Figure 18 a-18h is executed with relative rank, load handling implement 1 can be by means of keeping and locking mechanism 70
Outer sunpender 67 is fixed to stop position crane 60 is moved to.
It keeps and locking mechanism 70 can also have any other different from be shown in the accompanying drawings one properly certainly
Configuration.
The present invention is not certainly in any way by the constraint of embodiments described hereinbefore.On the contrary, not departing from such as
In the case where the basic conception of the invention limited in the following claims, many possibilities of modification of the invention will be to this
Field technical staff is apparent.
Claims (15)
1. a kind of load handling implement for being attached to crane jib, the load handling implement (1) include:
Carrier head (2), is configured for being connected to crane jib；
The the first bucket jaw portion positioned relative to each other and the second bucket jaw portion (10,30), first bucket jaw portion (10) is via first
Pivotal arm (11) is pivotably connected to the carrier head (2), and second bucket jaw portion (30) is via the second pivotal arm (31)
The carrier head (2) are pivotably connected to, thus allow bucket jaw portion (10,30) to pivot towards each other to grasp load, and
Away from each other to discharge grasped load, each pivotal arm (11,31) has the first end in face of the carrier head (2)
(11a, 31a) and opposite second end (11b, 31b), wherein each pivotal arm (11,31) is at its first end (11a, 31a)
It is pivotably connected to the carrier head (2)；And
Actuation means (4) are used to pivot the pivotal arm (11,31) relative to the carrier head (2) and thus pivot institute
Bucket jaw portion (10,30) is stated,
It is characterized by:
Each pivotal arm (11,31) is hingedly connected to associated bucket jaw portion (10,30) at its second end (11b, 31b), from
And allow the bucket jaw portion relative to the pivotal arm (11,31) in fold-down operating position and the storage position being folded up
It is pivoted between setting, wherein the bucket jaw portion (10,30) is configured to be located between the pivotal arm (11,31) and described
It is put relative to one another in the storage location being folded up；And
The load handling implement (1) includes the first locking device (14) and the second locking device (34), first locking
Device (14) is used in the fold-down operating position first bucket jaw portion (10) being locked to described first and pivot
Arm (11), second locking device (34) are used for second bucket jaw portion (30) in the fold-down operating position
It is locked to second pivotal arm (31).
2. load handling implement according to claim 1, it is characterised in that:
First pivotal arm (11) can pivot relative to the carrier head (2) around the first pivot axis (A1)；
Second pivotal arm (31) can pivot relative to the carrier head (2) around the second pivot axis (A2), the second pivot
Shaft axis (A2) is extended parallel to first pivot axis (A1)；
First bucket jaw portion (10) can be pivoted relative to first pivotal arm (11) around third pivot axis (A3), the
Three pivot axis (A3) are extended parallel to first pivot axis (A1), wherein first and third pivot axis (A1,
The distance between) A3 be greater than the third pivot axis (A3) and described first struggle against jaw portion (10) leading edge (12) between away from
From；
Second bucket jaw portion (30) can be pivoted relative to second pivotal arm (31) around the 4th pivot axis (A4), the
Four pivot axis (A4) are extended parallel to second pivot axis (A2), wherein second and the 4th pivot axis (A2,
The distance between) A4 be greater than the 4th pivot axis (A4) and described second struggle against jaw portion (30) leading edge (32) between away from
From.
3. load handling implement according to claim 2, which is characterized in that first pivot axis (A1) be located in away from
At a certain distance from second pivot axis (A2).
4. load handling implement described in any one of -3 according to claim 1, it is characterised in that:
First locking device (14) includes at least one the locking structure that can be moved between locked position and latched position
Part (15), in the unlocked position, first bucket jaw portion (10) are being folded down relative to first pivotal arm (11)
Operating position and the storage location that is folded up between freedom to pivot, in the latched position, the locking component (15)
Prevent first bucket jaw portion (10) relative to first pivotal arm (11) from the fold-down operating position towards described
The storage location being folded up pivots；And
Second locking device (34) includes at least one the locking structure that can be moved between locked position and latched position
Part (35), in the unlocked position, second bucket jaw portion (30) are being folded down relative to second pivotal arm (31)
Operating position and the storage location that is folded up between freedom to pivot, in the latched position, the locking component (35)
Prevent second bucket jaw portion (30) relative to second pivotal arm (31) from the fold-down operating position towards described
The storage location being folded up pivots.
5. load handling implement according to claim 4, it is characterised in that:
First locking device (14) includes handle (18), by means of the handle (18), first locking device
At least one described locking component (15) can move between locked and unlocked positions；And
Second locking device (34) includes handle (38), by means of the handle (38), second locking device
At least one described locking component (35) can move between locked and unlocked positions.
6. load handling implement according to claim 4 or 5, it is characterised in that:
The locking component (15) of first locking device (14) is slippingly installed in first pivotal arm
(11) bar (16) on, so as to be slid between the latched position and the unlocked position along the bar (16)；And
The locking component (35) of second locking device (34) is slippingly installed in second pivotal arm
(31) bar (36) on, so as to be slid between locked and unlocked positions along the bar (36).
7. load handling implement described in any one of -6 according to claim 1, it is characterised in that:
First bucket jaw portion (10) is provided at least one stopper element (20), when described first bucket jaw portion (10) phase
When being pivoted to the fold-down operating position from the storage location being folded up for first pivotal arm (11),
At least one described stopper element (20) is configured to contact with the correspondence stopper element (21) on first pivotal arm (11),
And thus stop pivot movement of first bucket jaw portion (10) relative to first pivotal arm (11)；And
Second bucket jaw portion (30) is provided at least one stopper element (40), when described second bucket jaw portion (30) phase
When being pivoted to the fold-down operating position from the storage location being folded up for second pivotal arm (31),
At least one described stopper element (40) is configured to connect with the corresponding stopper element (41) on second pivotal arm (31)
Touching, and thus stop pivot movement of second bucket jaw portion (30) relative to second pivotal arm (31).
8. load handling implement described in any one of -7 according to claim 1, which is characterized in that the load handling implement
It (1) is the clamshell shape bucket with open shells.
9. a kind of hydraulic crane comprising:
Crane base portion (63)；
Column (64) is rotatably mounted to the crane base portion (63), so as to enclose relative to the crane base portion
It is rotated around substantially vertical rotation axis (A5)；
Can rise with reducible first crane jib (65), be hingedly connected to the column (64), so as to relative to
The column is pivoted around substantially horizontal rotation axis (A6)；And
Can rise with reducible second crane jib (67), be hingedly connected to first crane jib (65),
So as to be pivoted relative to first crane jib around substantially horizontal rotation axis (A7),
It is characterized in that, the crane (60) include be installed to second crane jib (67) outer end according to right
It is required that load handling implement (1) described in any one of 1-8.
10. hydraulic crane according to claim 9, which is characterized in that the crane (60) includes keeping and locking
Mechanism (70), in first and second bucket jaw portion (10,30) in the storage location being folded up and the load
Handling implement (1) is relative to second crane jib (67) in given fixed position and in second crane jib
(67) in the case where lateral position, the holding and locking mechanism (70) are used to the load handling implement (1) being locked to institute
State the second crane jib (67).
11. hydraulic crane according to claim 10, which is characterized in that the holding and locking mechanism (70) include:
First coupling member (72a) is fixed to second crane jib (67) and is configured for and described the
Correspondence second coupling member (22) engagement on a pipeful of jaw portion (10)；
Third coupling member (72b) is fixed to second crane jib (67) and is configured for and described the
The 4th coupling member (42) of correspondence engagement on two buckets jaw portion (30)；And
Locking component (73), can move between locked and unlocked positions, in the latched position, the locking
Component (73) prevents the first coupling member (72a) to be detached from and prevent the third from coupling from the second coupling member (22)
Component (72b) is detached from from the 4th coupling member (42), in the unlocked position, described in locking component (73) permission
First coupling member (72a) is detached from from the second coupling member (22) and allows the third coupling member (72b) from described
4th coupling member (42) is detached from.
12. hydraulic crane according to claim 11, it is characterised in that:
The first coupling member (72a) has the form of hook, and the second coupling member (22) has the form of recess portion,
Wherein, the first coupling member (72a) can be plugged into the second coupling member (22)；And
The third coupling member (72b) has the form of hook, and the 4th coupling member (42) has the form of recess portion,
Wherein, the third coupling member (72b) can be plugged into the 4th coupling member (42).
13. hydraulic crane according to claim 12, it is characterised in that:
The holding and locking mechanism (70) include base structure (74), are fixed to second crane jib (67),
Wherein, described first and third coupling member (72a, 72b) be fixed to the base structure (74)；And
The locking component (73) of the holding and locking mechanism (70) has the form of lever and pivots peace by connector (75)
Be attached to the base structure (74), so as to relative to the base structure (74) around the connector (75) in its latched position and
It is pivoted between its unlocked position.
14. hydraulic crane according to claim 13, it is characterised in that:
The locking component (73) of the holding and locking mechanism (70) is provided with locking member outstanding (76), when the locking
When component (73) is in its latched position, the locking member (76) is configured to and described second or the 4th coupling member
(22,42) it engages；And
The locking member (76) is located on the first side of the connector (75), wherein the center of gravity of the locking component (73)
On the opposite side of the connector (75), to allow the locking component (73) under the effect of gravity according to described second
Being oriented between its latched position and its unlocked position in the space of crane jib (67) is moved.
15. hydraulic crane described in 3 or 14 according to claim 1, it is characterised in that:
Second crane jib (67) telescopically may extend away, and be enable to adjust its development length, wherein institute
State the second crane jib (67) include base section (67a) and by the base section (67a) carry one or more can
Flexible crane jib section (67b), second crane jib (67) are articulated and connected by the base section (67a)
To first crane jib (65)；And
The base structure (74) of the holding and locking mechanism (70) is fixed to second crane jib (67)
The base section (67a).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16203102.5 | 2016-12-09 | ||
| EP16203102.5A EP3333112B1 (en) | 2016-12-09 | 2016-12-09 | Load handling tool and hydraulic crane comprising such a load handling tool |
| PCT/EP2017/079827 WO2018104042A1 (en) | 2016-12-09 | 2017-11-21 | Load handling tool and hydraulic crane comprising such a load handling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110121478A true CN110121478A (en) | 2019-08-13 |
| CN110121478B CN110121478B (en) | 2020-05-29 |
Family
ID=57539124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780075884.9A Active CN110121478B (en) | 2016-12-09 | 2017-11-21 | Load handling tool and hydraulic crane comprising such a load handling tool |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3333112B1 (en) |
| CN (1) | CN110121478B (en) |
| DK (1) | DK3333112T3 (en) |
| WO (1) | WO2018104042A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62249890A (en) * | 1986-04-22 | 1987-10-30 | 株式会社 中島鉄工所 | Lifting magnet with gripper |
| FR2651220A1 (en) * | 1989-08-29 | 1991-03-01 | Koehl Jean Marie | Retractable grab with electromagnet |
| WO2003089358A1 (en) * | 2002-04-22 | 2003-10-30 | Volvo Construction Equipment Holding Sweden Ab | A device and a method for gripping at least one elongated element |
| EP1896664B1 (en) * | 2005-06-29 | 2011-11-23 | Genesis Attachments, LLC | Excavator demolition attachment with interchangeable jaw assemblies |
| CN105899734A (en) * | 2014-01-22 | 2016-08-24 | 卡特彼勒作业机具有限公司 | Exchange system for implement of machine |
| CN105939954A (en) * | 2014-02-03 | 2016-09-14 | 卡特彼勒作业机具有限公司 | Gripping device for machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023848A (en) * | 1976-01-05 | 1977-05-17 | J. I. Case Company | Log grapple |
| SE402903B (en) | 1976-12-10 | 1978-07-24 | Hiab Foco Ab | AT LOAD CRANES FOLDABLE CRANE ARM |
| IT1225186B (en) | 1988-09-07 | 1990-11-02 | Guidetti Luigi A | LIFTING CRANE OF THE PERFECT TYPE FOR MOUNTING ON VEHICLES |
| FI20030700A (en) | 2003-05-09 | 2004-11-10 | Loglift Oy Ab | A method for controlling a hoist boom and a device for carrying out the method |
| DE20319227U1 (en) | 2003-12-11 | 2005-04-21 | Kinshofer Greiftechnik Gmbh & Co. Kg | Hydraulic rotary actuator for a gripper |
| DE602004002453T2 (en) | 2004-03-23 | 2007-04-19 | Hiab Ab | crane |
| DE202004013158U1 (en) | 2004-08-23 | 2006-01-12 | Kinshofer Greiftechnik Gmbh & Co. Kg | Hydraulic swivel drive for gripper, has grip arms with shafts that are parallel to one another and axially supported by hydrostatic axial bearing, where shafts are designed free of external bearing pressure supply |
| DE202013002527U1 (en) | 2013-03-14 | 2014-06-16 | Kinshofer Gmbh | clamshell |
-
2016
- 2016-12-09 DK DK16203102.5T patent/DK3333112T3/en active
- 2016-12-09 EP EP16203102.5A patent/EP3333112B1/en active Active
-
2017
- 2017-11-21 WO PCT/EP2017/079827 patent/WO2018104042A1/en active Application Filing
- 2017-11-21 CN CN201780075884.9A patent/CN110121478B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62249890A (en) * | 1986-04-22 | 1987-10-30 | 株式会社 中島鉄工所 | Lifting magnet with gripper |
| FR2651220A1 (en) * | 1989-08-29 | 1991-03-01 | Koehl Jean Marie | Retractable grab with electromagnet |
| WO2003089358A1 (en) * | 2002-04-22 | 2003-10-30 | Volvo Construction Equipment Holding Sweden Ab | A device and a method for gripping at least one elongated element |
| EP1896664B1 (en) * | 2005-06-29 | 2011-11-23 | Genesis Attachments, LLC | Excavator demolition attachment with interchangeable jaw assemblies |
| CN105899734A (en) * | 2014-01-22 | 2016-08-24 | 卡特彼勒作业机具有限公司 | Exchange system for implement of machine |
| CN105939954A (en) * | 2014-02-03 | 2016-09-14 | 卡特彼勒作业机具有限公司 | Gripping device for machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018104042A1 (en) | 2018-06-14 |
| EP3333112A1 (en) | 2018-06-13 |
| CN110121478B (en) | 2020-05-29 |
| DK3333112T3 (en) | 2020-01-02 |
| EP3333112B1 (en) | 2019-10-23 |
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Effective date of registration: 20210309 Address after: The country of Sweden Patentee after: Hilbert Ltd. Address before: Luzobi, Sweden Patentee before: CARGOTEC PATENTER AB |