CN206069242U - Combination type arm support and crane gear - Google Patents
Combination type arm support and crane gear Download PDFInfo
- Publication number
- CN206069242U CN206069242U CN201621044391.8U CN201621044391U CN206069242U CN 206069242 U CN206069242 U CN 206069242U CN 201621044391 U CN201621044391 U CN 201621044391U CN 206069242 U CN206069242 U CN 206069242U
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- pedestal
- web member
- connecting portion
- arm support
- combination type
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Abstract
This utility model is related to a kind of combination type arm support and crane gear, wherein, combination type arm support includes multiple pedestals, pedestal includes main chord and is hung on the connection web member of main chord sidepiece, connection web member various location in the longitudinal direction is provided with connecting portion and fixed part, the connecting portion of the arbitrary pedestal in multiple pedestals selectively can be connected with the connecting portion or fixed part of adjacent pedestal, to form the combination type arm support of different cross section size.The connecting portion of the arbitrary pedestal in multiple pedestals selectively can be connected with the connecting portion or fixed part of adjacent pedestal according to conditions such as actual lifting demand, lifting condition and lifting assembling places, the arm support to form different cross section size is combined by different conversion compound modes, to adapt to the lifting demand of different condition.
Description
Technical field
This utility model is related to technical field of engineering machinery, more particularly to a kind of combination type arm support and crane gear.
Background technology
To meet in the Larger Engineering Projects such as domestic petroleum, petrochemical industry, nuclear power, ocean engineering, wind-powered electricity generation, iron and steel to oversized equipment
Lifting demand, crane increasingly develops to ultra-large type, and lifting altitude is higher, and work range is bigger, and elevating capacity is higher.With
The series of problems during the development maximized, the design for being brought, production, transportation, installation and use etc., serious restriction
The development of crawler crane, it would be highly desirable to which designer solves.
Key construction part of the boom system as crane gear, its version and the bearing capacity of itself are to lifting
The ease of use and bearing capacity of equipment has important impact.As depicted in figs. 1 and 2, the general arm support knot of crane gear
Configuration formula is typically using the truss structure by four main chord a1 and some web member a2 weldings.Say in terms of stress, arm
Frame belong to bi-axial bending moment, i.e. crane gear hang load work when, arm support all bears axial direction in luffing plane and plane of rotation
The effect of power and moment of flexure, therefore analyze from telescopic boom section, enough sectional areas are needed, to ensure telescopic boom section intensity, so as to support
The effect of anti-axial force, needs enough cross-sectional width B and height H to ensure the moment of inertia in two planes, curved so as to resist
The effect of square.The sectional dimension of the specification and arm support of increase main chord in order to improve the bearing capacity of arm support, is needed, and road is transported
Defeated height-width limits the increase that seriously govern its section again, therefore should ensure the enough bearing capacitys of arm support, again
Meet transportation clearance requirement, how to solve this becomes the key issue that crane gear develops to ultra-large type to contradiction.
Assembled arm support in existing scheme, will main chord and the web member of arm support split, to meet movement requirement, transition
Web member is assembled into integral by bearing pin with main chord again after in place.Under normal circumstances, large-tonnage arm support length can reach one
More than hundred meters, the web member assembled in situ of hundreds of, its degree of difficulty are well imagined, and greatly increase assembling cycle, reduce efficiency,
And the size after assembling can not change, the suitability is relatively low, the application of a large amount of mounting technologies bring production difficulty simultaneously with
And the increase of design cost.
Utility model content
To overcome above technological deficiency, the technical problem that this utility model is solved to be to provide a kind of combination type arm support and lifting
Equipment, can have multiple combination mapping mode, can meet different lifting requirements.
To solve above-mentioned technical problem, this utility model provides a kind of combination type arm support, and which includes multiple pedestals, pedestal
Including main chord and the connection web member for being hung on main chord sidepiece, connection web member various location in the longitudinal direction is provided with company
Socket part and fixed part, the connecting portion of the arbitrary pedestal in multiple pedestals can selectively with the connecting portion of adjacent pedestal or solid
Determine portion's connection, to form the combination type arm support of different cross section size.
Further, connecting web member includes being hung on main chord not the first connection web member of homonymy and the second connection web member,
Connecting portion includes first connecting portion and the second connecting portion being separately positioned on the first connection web member and the second connection web member, fixed
Portion includes the first fixed part and the second fixed part being separately positioned on the first connection web member and the second connection web member.
Further, the first connecting portion and second connecting portion of the arbitrary pedestal in multiple pedestals selectively with it is adjacent
Pedestal connecting portion connection, to form the combination type arm support of heavy in section size；Or, connect with the fixed part of adjacent pedestal
Connect, to form the combination type arm support of small cross-sectional size.
Further, one of first connecting portion and second connecting portion of the arbitrary pedestal in multiple pedestals be still alternatively
Connect with the connecting portion of adjacent pedestal, it is another to connect with the fixed part of adjacent pedestal.
Further, free end of the connecting portion close to or at connection web member, fixed part is close to or at connection web member
Cantilever end.
Further, the first connection web member and the second connection web member are multiple and are distributed along on the length direction of main chord
Arrange.
Further, pedestal also includes the first reinforcement being arranged between the first connection web member and the second connection web member
Bar.
Further, the first reinforcement bar connection first connects the free end of web member and the second connection web member.
Further, pedestal also includes the second reinforcement bar being arranged between connection web member and main chord.
Further, fixed part is arranged between the cantilever end and the root of the second reinforcement bar of adjacent connection web member.
Further, the arbitrary pedestal in multiple pedestals connecting portion with the state of the fixed part of adjacent pedestal,
Second reinforcement bar of the arbitrary pedestal in multiple pedestals is parallel with the second reinforcement bar of adjacent pedestal and abuts.
Further, between the connecting portion of the arbitrary pedestal in multiple pedestals and the connecting portion or fixed part of adjacent pedestal
Bearing pin connection is carried out by male and female embedded structure.
This utility model additionally provides a kind of crane gear, and which includes combinations of the above formula arm support.
Thus, based on above-mentioned technical proposal, this utility model combination type arm support sets connection by the sidepiece in main chord is outstanding
Web member, and connection web member various location in the longitudinal direction is provided with connecting portion and fixed part, the arbitrary base in multiple pedestals
The connecting portion of frame can according to the conditions such as actual lifting demand, lifting condition and lifting assembling place selectively with it is adjacent
The connecting portion of pedestal or fixed part connection, combine the arm support to form different cross section size by different conversion compound modes,
To adapt to the lifting demand of different condition.And combination type arm support is dismountable assembled arm support, using detachable after finishing
Into Split type structure so that arm support is no longer limited by transportation clearance, hauled weight etc., with higher exploitativeness.This practicality is new
Heavy-duty hoisting equipment also correspondingly has above-mentioned Advantageous Effects.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model be only used for explain this utility model, do not constitute to it is of the present utility model not
Work as restriction.It should be noted that for convenience of description, the first pedestal 100-1, the second pedestal 100-2 in accompanying drawing, the 3rd pedestal
100-3, the 4th pedestal 100-4 are referred to as pedestal 100, in the accompanying drawings：
Fig. 1 and Fig. 2 is respectively the front view and left view of existing jib structure；
Fig. 3 is the structural representation of pedestal in this utility model combination type arm support；
Fig. 4～Fig. 6 is respectively front view, right view and the top view of pedestal in this utility model combination type arm support；
Fig. 7 combines the structural representation to form heavy in section size for pedestal in this utility model combination type arm support；
Fig. 8～Figure 10 be respectively this utility model combination type arm support in pedestal combine to be formed heavy in section size front view,
Right view and top view；
Figure 11 combines the structural representation to form a middle section size for pedestal in this utility model combination type arm support；
Figure 12～Figure 14 combines front view, the right side to form a middle section size for pedestal in this utility model combination type arm support
View and top view；
Figure 15 combines the structural representation to form another middle section size for pedestal in this utility model combination type arm support；
Figure 16～Figure 18 be this utility model combination type arm support in pedestal combine to be formed another middle section size front view,
Right view and top view；
Figure 19 combines the structural representation to form small cross-sectional size for pedestal in this utility model combination type arm support；
Figure 20～Figure 22 is that pedestal combines to form the front view of small cross-sectional size, the right side and regard in this utility model combination type arm support
Figure and top view.
Specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Specific embodiment of the present utility model is for the ease of asking to design of the present utility model, the technology for being solved
Topic, the technical characteristic of composition technical scheme and the technique effect for bringing have further description.It should be noted that for this
The explanation of a little embodiments is not constituted to restriction of the present utility model.Additionally, in following embodiment of the present utility model
As long as the technical characteristic being related to does not constitute conflict each other and can just be mutually combined.
As shown in Fig. 3～Figure 22, combination type arm support includes multiple pedestals 100, and pedestal 100 includes main chord 1 and is hung on
The connection web member 2 of 1 sidepiece of main chord, the connection various location in the longitudinal direction of web member 2 are provided with connecting portion 3 and fixed part 4,
The connecting portion 3 of the arbitrary pedestal 100 in multiple pedestals 100 can selectively with the connecting portion 3 of adjacent pedestal 100 or fixed
Portion 4 connects, to form the combination type arm support of different cross section size.
In the schematic embodiment, connection web member 2 is set by the sidepiece in main chord 1 is outstanding, and connect web member 2 and grown
Various location on degree direction is provided with connecting portion 3 and fixed part 4, and the connecting portion 3 of the arbitrary pedestal in multiple pedestals 100 can
According to condition connecting portions 3 selectively with adjacent pedestal such as actual lifting demand, lifting condition and lifting assembling places
Or fixed part 4 connects, the arm support to form different cross section size is combined by different conversion compound modes, to adapt to different bars
The lifting demand of part.And combination type arm support is dismountable assembled arm support, using detachable into Split type structure after finishing, make
Obtain arm support no longer to be limited by transportation clearance, hauled weight etc., with higher exploitativeness.
In one preferred embodiment of this utility model, as shown in Fig. 3～Fig. 6, connection web member 2 includes being hung on main string
Bar 1 not the first connection web member 21 of homonymy and the second connection web member 22, connecting portion 3 include being separately positioned on the first connection web member 21
With first connecting portion 31 and second connecting portion 32 on the second connection web member 22, fixed part 4 includes being separately positioned on the first connection
The first fixed part 41 and the second fixed part 42 on web member 21 and the second connection web member 22.In main chord 1, homonymy does not arrange first
Connection web member 21 and the second connection web member 22 are in order to the connection of arbitrary pedestal 100 and adjacent pedestal 100 is so as to form closing
Frame structure, with ensure lift reliability.
In order to illustrate that multiple pedestals 100 constitute the arm support of different cross section size, below with the multiple bases shown in Fig. 3～Figure 22
Frame 100 is 4, and the embodiment that the first connection web member 21 and the second connection web member 22 are vertical setting is being illustrated：Multiple bases
Frame 100 includes the first pedestal 100-1, the second pedestal 100-2, such as the 3rd pedestal 100-3 and the 4th pedestal 100-4, Fig. 7～Figure 10
It is shown, the first connecting portion 31 and second connecting portion 32 of the arbitrary pedestal 100 in multiple pedestals 100 selectively with it is adjacent
The connecting portion 3 of pedestal 100 connects, and the connecting portion of arbitrary pedestal 100 is connected with the connecting portion of adjacent pedestal 100 so that adjacent two-by-two
Pedestal 100 between each connection web member 2 connection web member length direction on without overlap, the width B of combination type arm support
Increase with height H, so as to form the combination type arm support of heavy in section size, the jib structure constituted by this kind of conversion, no matter
It is that luffing plane (telescopic boom section height H directions) size or plane of rotation size (telescopic boom section width B directions) are all obtained into
Increase again, and then the bearing capacity of arm support itself obtains lifting by a relatively large margin；
Or, as shown in Figure 19～Figure 22, the first connecting portion 31 and second of the arbitrary pedestal 100 in multiple pedestals 100
Connecting portion 32 is selectively connected with the fixed part 4 of adjacent pedestal 100, the connecting portion of arbitrary pedestal 100 and adjacent pedestal
100 fixed part connection causes each connection web member 2 between pedestal 100 adjacent two-by-two on the length direction of connection web member
Lap is overlapped or exists all, the width B and height H of combination type arm support reduce, so as to form the group of small cross-sectional size
Box-like arm support.By the jib structure of this kind of conversion composition, although luffing plane (telescopic boom section height H directions) size and revolution
Planar dimension (telescopic boom section width B directions) does not all increase, but its sectional dimension is little, can be less as whole machine bearing capacity
Auxiliary or the less crane gear boom system of other lifting capacities use so that the utilization rate of boom system is improved, and is saved into
This.
In order to improve the range of applicability of combination type arm support, in a preferred embodiment, it is as shown in Figure 11～14, many
Individual pedestal 100 includes the first pedestal 100-1, the second pedestal 100-2, the 3rd pedestal 100-3 and the 4th pedestal 100-4, Duo Geji
The first connecting portion 31 of the arbitrary pedestal 100 in frame 100 is still alternatively connected with the connecting portion 3 of adjacent pedestal 100, and second
Connecting portion 32 is selectively connected with the fixed part 4 of adjacent pedestal 100.The first connecting portion 31 of arbitrary pedestal 100 with it is adjacent
The connecting portion 3 of pedestal 100 connects, and second connecting portion 32 is connected with the fixed part 4 of adjacent pedestal 100 so that adjacent two-by-two
Without overlapping on the length direction of connection web member, another part connection web member 2 exists part connection web member 2 between pedestal 100
Lap is all overlapped or is existed on the length direction of connection web member, and the width B of combination type arm support reduces, height H increases, from
And form the combination type arm support of a middle section size.By the jib structure of this kind of conversion composition, its luffing plane (telescopic boom section
Height H directions) the size increase that obtains at double, the bearing capacity of arm support itself is also obtained lifting by a relatively large margin.Simultaneously should
The combination type arm support for planting mapping mode composition can also be less as the less auxiliary of whole machine bearing capacity or other lifting capacities
Crane gear boom system is used so that the utilization rate of boom system is improved, cost-effective.
Accordingly, as shown in figures 15 to 18, the second connecting portion 32 of the arbitrary pedestal 100 in multiple pedestals 100 is also optional
Connect with the connecting portion 3 of adjacent pedestal 100 with selecting, the fixed part 4 selectively with adjacent pedestal 100 of first connecting portion 31
Connection.The second connecting portion 32 of arbitrary pedestal 100 is connected with the connecting portion 3 of adjacent pedestal 100, first connecting portion 31 with it is adjacent
The fixed part 4 of pedestal 100 connects so that length of the part connection web member 2 between pedestal 100 adjacent two-by-two in connection web member
Without overlapping on direction, another part connects web member 2 and all overlaps on the length direction of connection web member, the height of combination type arm support
Degree H reduces, width B increases, so as to form the combination type arm support of another middle section size.By the arm support knot of this kind of conversion composition
Structure, its plane of rotation (telescopic boom section width B directions) size obtain increase at double, and the bearing capacity of arm support itself is also obtained
Lifting by a relatively large margin.The combination type arm support of this kind of mapping mode composition can also be used as the less pair of whole machine bearing capacity simultaneously
Arm or the less crane gear boom system of other lifting capacities are used so that the utilization rate of boom system is improved, cost-effective.
As to the preferred of above-described embodiment, as shown in Fig. 3～Fig. 6, connecting portion 3 close to or at connection web member 2 from
By holding, fixed part 4 is close to or at the cantilever end for connecting web member 2.Connecting portion 3 is arranged on into the free end of connection web member 2, it is fixed
Portion 4 is arranged on the cantilever end of connection web member 2, connection web member 2 is increased in the case of without overlapping as far as possible
Width B and height H, connection web member 2 reduce width B and height H, certainly, connecting portion 3 as far as possible in the case where all overlapping
At the position of the free end that can be positioned close to connection web member 2, fixed part 4 is positioned close to the cantilever end of connection web member 2
At position.
Preferably, the first connection web member 21 and the second connection web member 22 are multiple and along on the length direction of main chord 1
Distribution is arranged, and multiple first connection web members 21 and multiple second connection web members 22 ensure that bonding strength, it is ensured that structure reliability
Stability.
In order to improve the structural strength of combination type arm support, on the one hand, as shown in Fig. 3～Fig. 6, pedestal 100 is preferably wrapped
Include the first reinforcement bar 6 being arranged between the first connection web member 21 and the second connection web member 22, the setting of the first reinforcement bar 6
Structural strength is improved further, further, the connection of the first reinforcement bar 6 first connects web member 21 and the second connection web member 22
Free end, result in formation of stable triangular structure, structure simplify on the premise of cause structural strength obtain further
Raising.
On the other hand, as shown in Fig. 3～Fig. 6, pedestal 100 preferably include be arranged on connection web member 2 and main chord 1 it
Between the second reinforcement bar 5, the setting of the second reinforcement bar 5 improves the structural strength between connection web member 2 and main chord 1,
Ensure reliability and stability.Further, fixed part 4 is arranged on the cantilever end and the second reinforcement bar 5 of adjacent connection web member 2
Between root, the stability maintenance of fixed part 4 can be so improved.
Arbitrary pedestal as the improvement to above preferred embodiment, as shown in Figure 11 and Figure 15, in multiple pedestals 100
100 connecting portion 3 with the state of the fixed part 4 of adjacent pedestal 100, second of the arbitrary pedestal 100 in multiple pedestals 100
Second reinforcement bar 5 of reinforcement bar 5 and adjacent pedestal 100 is parallel and abuts, parallel and abut two
Two reinforcement bars 5 increased contact area, be conducive to the distribution of stress, it is to avoid the generation of stress concentration.
For connecting portion 3 and the version of fixed part 4, in a preferred embodiment, as shown in Fig. 3～Figure 22,
Pass through between the connecting portion 3 of the arbitrary pedestal 100 in multiple pedestals 100 and the connecting portion 3 or fixed part 4 of adjacent pedestal 100
Male and female embedded structure carries out bearing pin connection, connects reliable and stable and easy to implement, with higher exploitativeness.Specifically, even
Socket part 3 includes the flat connection end with the first pin joint hole, and fixed part 4 includes the fixed ear with the second pin joint hole and recess
Plate, flat connection end can be embedded in recess and pass through the first pin joint hole and the second pin joint hole to realize connecting portion 3 by bearing pin
With the connection of fixed part 4.
In sum, this utility model combination type arm support has the advantage that：
1. combination type arm support causes the transportation clearance and hauled weight of boom system no longer to become constraint boom system itself
The factor of weight, self-bearing capacity so that the self-bearing capacity of boom system is improved significantly；
2. combination type jib structure form is simple, greatly reduces frock and production difficulty；
3. the combination type arm support of many kinds of variations is adapted to the lifting demand of different operating modes, and conversion is simple, convenient；
4. the reasonable utilization of mounting technology is split, is made all parts both meet transportation clearance restriction, and is gone out from user conscientiously
Send out, consider that the dismounting of boom system is assembled comprehensively, improve efficiency；
5. the optimized design of structural member, greatly reduces production difficulty；Conventional assembling and use requirement, greatly save
The use cost of user, increases the benefit；
6. the combination type arm support of many kinds of variations can apply to the arm support of the crane gear of different bearer Capability Requirement
System is used, and the overall utilization rate of boom system is improved, cost-effective.
This utility model additionally provides a kind of crane gear, and which includes combinations of the above formula arm support.Crane gear for example may be used
Being crane.As this utility model combination type arm support there can be multiple combination mapping mode, different lifting bars can be met
Part demand, correspondingly, this utility model crane gear also has above-mentioned Advantageous Effects, will not be described here.
Above in association with embodiment embodiment of the present utility model is described in detail, but this utility model not office
It is limited to described embodiment.For example, pedestal 100 can be 3 composition sections combination type arm support triangular in shape, it is also possible to
Be 5 sections are constituted in pentagonal combination type arm support.For a person skilled in the art, without departing from this utility model
Principle and connotation in the case of various changes, modification, equivalence replacement and modification carried out to these embodiments still fall within
Within protection domain of the present utility model.
Claims (13)
1. a kind of combination type arm support, it is characterised in that including multiple pedestals (100), the pedestal (100) is including main chord (1)
With the connection web member (2) for being hung on the main chord (1) sidepiece, connection web member (2) diverse location in the longitudinal direction
Place is provided with connecting portion (3) and fixed part (4), and the connecting portion (3) of the arbitrary pedestal (100) in the plurality of pedestal (100) can
Selectively connect with the connecting portion (3) or fixed part (4) of adjacent pedestal (100), to be formed described in different cross section size
Combination type arm support.
2. combination type arm support according to claim 1, it is characterised in that the connection web member (2) is described including being hung on
First connection web member (21) and second of main chord (1) not homonymy connects web member (22), and the connecting portion (3) is including being respectively provided with
First connecting portion (31) and second connecting portion in the described first connection web member (21) and second connection web member (22)
(32), the fixed part (4) connects on web member (22) including first connection web member (21) and described second is separately positioned on
The first fixed part (41) and the second fixed part (42).
3. combination type arm support according to claim 2, it is characterised in that the arbitrary pedestal in the plurality of pedestal (100)
(100) first connecting portion (31) and second connecting portion (32) is selectively connected with the connecting portion (3) of adjacent pedestal (100)
Connect, to form the combination type arm support of heavy in section size；
Or, connect with the fixed part (4) of adjacent pedestal (100), to form the combination type arm support of small cross-sectional size.
4. combination type arm support according to claim 3, it is characterised in that the arbitrary pedestal in the plurality of pedestal (100)
(100) connection still alternatively with adjacent pedestal (100) of one of first connecting portion (31) and second connecting portion (32)
Portion (3) connects, another to connect with the fixed part (4) of adjacent pedestal (100).
5. combination type arm support according to claim 1, it is characterised in that the connecting portion (3) is close to or at the company
Connect the free end of web member (2), cantilever end of the fixed part (4) close to or at connection web member (2).
6. combination type arm support according to claim 2, it is characterised in that first connection web member (21) and described second
Connection web member (22) is the multiple and distribution setting along on the length direction of the main chord (1).
7. combination type arm support according to claim 2, it is characterised in that the pedestal (100) also includes being arranged on described
The first reinforcement bar (6) between first connection web member (21) and the second connection web member (22).
8. combination type arm support according to claim 7, it is characterised in that the first reinforcement bar (6) connection described the
One connection web member (21) and the free end of second connection web member (22).
9. combination type arm support according to claim 1, it is characterised in that the pedestal (100) also includes being arranged on described
The second reinforcement bar (5) between connection web member (2) and the main chord (1).
10. combination type arm support according to claim 9, it is characterised in that the fixed part (4) is arranged on adjacent described
Between the cantilever end and the root of the second reinforcement bar (5) of connection web member (2).
11. combination type arm supports according to claim 9, it is characterised in that the arbitrary base in the plurality of pedestal (100)
The connecting portion (3) of frame (100) with the state of the fixed part (4) of adjacent pedestal (100), in the plurality of pedestal (100)
Second reinforcement bar (5) of arbitrary pedestal (100) is parallel with the second reinforcement bar (5) of adjacent pedestal (100) and mutually supports
Lean on.
12. combination type arm supports according to claim 1, it is characterised in that the arbitrary pedestal in the plurality of pedestal (100)
(100) entered by male and female embedded structure between connecting portion (3) and the connecting portion (3) or fixed part (4) of adjacent pedestal (100)
Marketing axle connection.
13. a kind of crane gears, it is characterised in that including the combination type arm support described in any one of claim 1～12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621044391.8U CN206069242U (en) | 2016-09-09 | 2016-09-09 | Combination type arm support and crane gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621044391.8U CN206069242U (en) | 2016-09-09 | 2016-09-09 | Combination type arm support and crane gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206069242U true CN206069242U (en) | 2017-04-05 |
Family
ID=58437275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621044391.8U Withdrawn - After Issue CN206069242U (en) | 2016-09-09 | 2016-09-09 | Combination type arm support and crane gear |
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| Country | Link |
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| CN (1) | CN206069242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185654A (en) * | 2016-09-09 | 2016-12-07 | 徐工集团工程机械股份有限公司 | Combination type jib and crane gear |
-
2016
- 2016-09-09 CN CN201621044391.8U patent/CN206069242U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185654A (en) * | 2016-09-09 | 2016-12-07 | 徐工集团工程机械股份有限公司 | Combination type jib and crane gear |
| CN106185654B (en) * | 2016-09-09 | 2018-05-22 | 徐工集团工程机械股份有限公司 | Combined type arm support and lifting equipment |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20180522 |
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| AV01 | Patent right actively abandoned |