CN105439010B - Composite-joint and arm support - Google Patents
Composite-joint and arm support Download PDFInfo
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- CN105439010B CN105439010B CN201610016303.1A CN201610016303A CN105439010B CN 105439010 B CN105439010 B CN 105439010B CN 201610016303 A CN201610016303 A CN 201610016303A CN 105439010 B CN105439010 B CN 105439010B
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- otic placode
- joint
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- arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of composite-joint and arm support.Composite-joint includes pedestal and multiple otic placode formula taps, pedestal has the first side and second side being oppositely arranged, multiple otic placode formula taps are respectively arranged in the first side and second side of pedestal and are fixedly connected with pedestal, are provided with two or more otic placode formula tap wherein in first side and second side at least one side.Connect to form arm support by above-mentioned composite-joint between arm joint with combined type main chord, the stress of main chord can be delivered to the main chord in Different Plane by pedestal, improve between main chord by force transmission effect, so that being more uniformly stressed between multiple arm joints, the performance of arm support is improved.
Description
Technical field
The present invention relates to crane field, more particularly to a kind of composite-joint and arm support.
Background technology
With the fast development of international energy and chemical engineering construction field, modularization, maximization and integration in engineering
Lifting requirements are improved constantly, and higher requirement is proposed to crane gear lifting capacity and hoisting moment.Arm support is as crane gear
The characteristic such as main bearing member, its own structure type, bearing capacity directly affect the performance and lifting performance of complete machine.
The arm support of crane gear is typically formed by connecting by the arm joint set gradually.As depicted in figs. 1 and 2, in the prior art
Arm joint be usually the truss structure that is formed by four main chords 111 and the welding of some web members 112.However as crane gear
Elevating capacity is continuously increased, and four traditional main chord arm joints as depicted in figs. 1 and 2 can not meet crane gear to lifting
The requirement of performance.In order that the performance of arm support meets the requirement of large lifting equipment performance, as shown in Figure 3 and Figure 4, prior art
Disclose a kind of arm joint with combined type main chord 114.As shown in Figure 4 and Figure 5, by two main chords be arrangeding in parallel 111
The combined type main chord of formation replaces an original main chord；Or as shown in fig. 6, by three main chords be arrangeding in parallel
The 111 combined type main chords formed replace an original main chord；For another example as shown in fig. 7, by four masters be arrangeding in parallel
The combined type main chord that chord member 111 is formed replaces an original main chord.
As shown in figure 8, the arm joint 11 with combined type main chord passes through the joint 113 that is welded on each main chord 111
Directly docking, which is connected and is connected by bearing pin 15, forms arm support 1 of the prior art.
It is simple by being welded on each main chord between arm joint 11 of the prior art with combined type main chord 114 above
The connection between joint 113 on 111 is attached fixation, and an entirety, such as Fig. 8 can not be preferably connected as between arm joint 11
Shown, the stress between each main chord 111 can only be delivered to the main chord 111 on same plane, main chord by joint 113
It is bad by force transmission effect between 111, cause between main chord 111 or discontinuity between arm joint.
The content of the invention
It is an object of the invention to provide a kind of composite-joint, solves to exist during the arm joint connection of arm support of the prior art
Main chord between or arm joint between discontinuity the problem of.
First aspect present invention provides a kind of composite-joint, including pedestal and multiple otic placode formula taps, pedestal have phase
To the first side and second side of setting, multiple otic placode formula taps are respectively arranged at the first side and second side of pedestal
Above and with pedestal it is fixedly connected, is wherein provided with two or more otic placode formula in first side and second side at least one side
Tap.
Further, at least two otic placode formula taps are pressed in the two or more otic placode formula tap on same side
The parallel mode longitudinal arrangement of lug plate holes, and/or at least two ears in the two or more otic placode formula tap of same side
Board-like tap is transversely arranged by the coaxial mode of lug plate holes.
Further, at least two otic placode formula taps press otic placode in the two or more otic placode formula tap of the same side
The parallel mode longitudinal arrangement in hole, the otic placode quantity of each otic placode formula tap of longitudinal arrangement is identical and wherein each otic placode formula point
Each otic placode of each otic placode of joint in the vertical with adjacent otic placode formula tap corresponds to form integrative-structure.
Further, first side is parallel with second side, and each otic placode formula tap is vertically connected at the side where it
On.
Further, the two or more otic placode formula tap on same side is intervally installed.
Further, the two or more otic placode formula tap on same side is uniformly arranged.
Further, each otic placode formula joint is more otic placode formula taps including multiple otic placodes.
Further, the otic placode quantity of the otic placode formula tap in first side and the otic placode in second side
The otic placode quantity of formula tap is identical or the otic placode quantity of otic placode formula tap in first side and is located at second side
On otic placode formula tap otic placode quantity between differ one piece of otic placode.
Further, the otic placode formula tap being arranged in first side and the otic placode formula being arranged in second side tap
Head is symmetrical arranged relative to pedestal.
The second aspect of the present invention provides a kind of arm support, including multiple arm joints with compound main chord being sequentially connected,
The compound main chord of arm joint includes at least two main chords be arrangeding in parallel, and one otic placode of end set of each main chord connects
Head, arm support also include above-mentioned composite-joint, and respective adjacent one end of the compound main chord of adjacent arm joint pass through it is compound
Joint connects, the compound main chord of one of arm joint positioned at composite-joint one end each otic placode joint and composite-joint the
Different otic placode formula tap connections on one side, the compound main chord of another arm joint are located at each of composite-joint one end
The otic placode formula tap connection different from the second side of composite-joint of otic placode joint.
Based on composite-joint provided by the invention, including pedestal and multiple otic placode formula taps, pedestal, which has, to be oppositely arranged
First side and second side, multiple otic placode formula taps be respectively arranged in the first side and second side of pedestal and with
Pedestal is fixedly connected, and is provided with two or more otic placode formula tap wherein in first side and second side at least one side
Head.Connect to form arm support by above-mentioned composite-joint between arm joint with combined type main chord, the stress of main chord can be with
The main chord being delivered to by pedestal in Different Plane, improve between main chord by force transmission effect so that multiple arm joints it
Between be more uniformly stressed, improve the performance of arm support.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the main view schematic diagram of four main chords arm joint of the prior art；
Fig. 2 is the side view figure structure schematic representation of four main chord arm joints in Fig. 1；
Fig. 3 is the front view structural representation of the first scheme of the arm joint of the prior art with combined type main chord
Figure；
Fig. 4 is the A-A of the arm joint in Fig. 3 to cross section structure diagram；
Fig. 5 is the cross-sectional structure signal of the second scheme of the arm joint of the prior art with combined type main chord
Figure；
Fig. 6 is the cross-sectional structure signal of the third scheme of the arm joint of the prior art with combined type main chord
Figure；
Fig. 7 is the cross-sectional structure signal of the 4th kind of scheme of the arm joint of the prior art with combined type main chord
Figure；
Fig. 8 is the attachment structure schematic diagram between the arm joint of arm support of the prior art；
Fig. 9 is that the composite-joint of first embodiment of the invention connects the dimensional structure diagram for the arm support that arm joint is formed；
Figure 10 is the dimensional structure diagram of the composite-joint in Fig. 9；
Figure 11 is that the composite-joint of second embodiment of the invention connects the main structure diagram for the arm support that arm joint is formed；
Figure 12 is the dimensional structure diagram of the composite-joint in Figure 11.
Each reference represents respectively：
1- arm supports；11- arm joints；111- main chords；112- web members；113- joints；114- combined type main chords；15- bearing pins；
2- arm supports；21- arm joints；211- main chords；211A- otic placode joints；25- bearing pins；26- composite-joints；261- pedestals；262- otic placodes
Formula tap.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
In the following description, the short transverse of arm support is defined as longitudinal direction, the width of arm support is defined as transverse direction.
As shown in figures 9 and 11, the composite-joint 26 of various embodiments of the present invention is used to connect with combined type main chord
Arm joint 21 is to form arm support 2.
Here, in order to preferably be illustrated to the structure of composite-joint 26, first according to Fig. 4 to Fig. 7 to combined type
The structure of the arm joint of main chord is described in detail.
Fig. 4 shows the cross-sectional structure schematic diagram of the first scheme of the arm joint with combined type main chord, first
In kind scheme, combined type main chord is made up of two main chords connection of horizontally-parallel setting.
Fig. 5 shows the cross-sectional structure schematic diagram of the second scheme of the arm joint with combined type main chord, second
In kind scheme, combined type main chord is made up of two main chords connection of parallel longitudinal setting.
Fig. 6 shows the cross-sectional structure schematic diagram of the third scheme of the arm joint with combined type main chord, the 3rd
In kind of scheme, combined type main chord is connected by the horizontal and vertical cross section be arrangeding in parallel to be formed three main chords of triangle and is total to
With connection composition.
Fig. 7 shows the cross-sectional structure schematic diagram of the 4th kind of scheme of the arm joint with combined type main chord, the 4th
In kind of scheme, combined type main chord is connected by the horizontal and vertical cross sections be arrangeding in parallel to be formed four main chords of quadrangle and is total to
With connection composition.
First embodiment
The composite-joint 26 of first embodiment of the invention will be described in detail according to Fig. 9 and Figure 10 below.
As shown in figure 9, the combined type main chord of arm joint 21 is made up of the connection of main chord 211 of two parallel longitudinal settings
's.The combined type main chord of adjacent arm joint is connected with composite-joint 26.Two main chords of each combined type main chord are with answering
Side corresponding to splice grafting first 26 is all correspondingly arranged an otic placode joint 211A.
As shown in Figure 10, the composite-joint 26 in first embodiment includes pedestal 261.Pedestal 261 has what is be oppositely arranged
First side and second side (left surface and right flank shown in Figure 10), the first side and second side of pedestal 261 are all solid
Surely it is connected with otic placode formula tap 262.Otic placode formula tap 262 in the present embodiment is more otic placode formula taps, each more ears
Multiple otic placodes of board-like tap are arranged at intervals.
As shown in Figure 9 and Figure 10, the first side of composite-joint 26 and second side are both provided with two of longitudinal arrangement
Otic placode formula tap 262.And the otic placode quantity of two otic placode formula taps of longitudinal arrangement is identical, wherein each otic placode formula point
Each otic placode of each otic placode of joint 262 in the vertical with adjacent otic placode formula tap 262 corresponds to form integrative-structure.
Otic placode joint 211A, and otic placode joint are designed with each main chord 211 of left side arm joint 21 in Fig. 9
211A is the otic placode joint with three otic placodes.Correspondingly, as shown in Figure 9 and Figure 10, what is be connected with left side arm joint 21 compound connects
Otic placode formula tap 262 in first 26 first side has two otic placodes.In connection, by the first side of composite-joint 26
Two otic placode formula taps 262 two otic placodes be respectively inserted into corresponding to otic placode joint 211A on main chord 211 three
In the interval that individual otic placode is formed, then with bearing pin 25 it is attached fixation.
Otic placode joint on the main chord of right side arm joint has two otic placodes.Therefore correspondingly, for being connected with right side arm joint
Composite-joint 26 second side on otic placode formula tap there are three otic placodes (as shown in Figure 10).During connection, by right side
Two otic placodes of the otic placode joint on each main chord of arm joint are inserted into each corresponding otic placode in the second side of composite-joint 26
In the interval that three otic placodes of formula tap are formed each other, then with bearing pin 25 it is attached fixation.
In summary, the main chord 211 of Different Plane can not only carry out the biography of power by the pedestal 261 of composite-joint 26
Pass, and to be formed because each otic placode of composite-joint 26 corresponds with each otic placode of adjacent otic placode formula tap in the vertical
Integrative-structure, therefore the integrative-structure that and can is enough formed by each otic placode carries out the transmission of power, therefore allow between arm joint 21 more
It is connected as an entirety well, being more uniformly stressed between main chord 211, improves the performance of whole arm support 2.
In the present embodiment, as shown in Figure 10, the first side of pedestal 26 is parallel with second side, otic placode formula tap
262 are vertically connected on the side at place.
As shown in Figure 10, the otic placode quantity ratio for the otic placode formula tap 262 being arranged in first side is located at second side
On otic placode formula tap 262 few one of otic placode quantity.
Second embodiment
The composite-joint 26 of second embodiment of the invention will be described in detail according to Figure 11 and Figure 12 below.
As shown in figure 12, the composite-joint 26 of second embodiment, its otic placode formula tap 262 also tap for more otic placode formulas
Head.Unlike the composite-joint 26 of first embodiment, composite-joint 26 in second embodiment is arranged at first side
On otic placode formula tap 262 otic placode quantity and the otic placode quantity phase for the otic placode formula tap 262 being arranged in second side
Together.
Specifically, as shown in figure 12, the otic placode in the first side and second side of the composite-joint 26 of second embodiment
The otic placode quantity of formula tap 262 is all three.
Other unaccounted constructions of the composite-joint of second embodiment are identical with first embodiment.
Figure 11 is the front view structure signal that the composite-joint 26 of second embodiment is used to connect the arm support 2 of the formation of arm joint 21
Figure.
The combined type main chord for the arm joint 21 that the composite-joint 26 of second embodiment connects is by two of parallel longitudinal setting
Main chord connects composition jointly.One end towards composite-joint 26 of every main chord of combined type main chord sets an ears
Plate joint.
On the left of using the connection of composite-joint 26 during arm joint 21, the bi-lug plate joint of two main chords 211 is inserted into multiple
In the interval that the otic placode for the otic placode formula tap 262 that the first side of splice grafting first 26 is set is formed, the insertion pair in each lug plate holes
The bearing pin 25 answered.Similarly, the bi-lug plate joint on two main chords 211 of right side arm joint 21 is inserted into composite-joint 26
In the interval that the otic placode for the otic placode formula tap 262 that second side is set is formed, the bearing pin 25 corresponding to insertion in each lug plate holes.
Therefore, the main chord 211 of Different Plane carries out the transmission of power by the pedestal 261 of composite-joint 26, therefore just makes
Be preferably connected as an entirety between arm joint 21, being more uniformly stressed between main chord 211, improve the property of whole arm support 2
Energy.
The otic placode formula tap of composite-joint in first embodiment and second embodiment is all more otic placode formula taps.Under
Face will illustrate the composite-joint of embodiment not shown in other figures, in these embodiments illustrated below, otic placode formula tap
Head can be bi-lug plate formula tap, or the board-like tap of monaural.
Composite-joint includes pedestal and multiple otic placode formula taps.Multiple otic placode formula taps are respectively arranged at the of pedestal
One side and second side are simultaneously fixedly connected with pedestal.And it is provided with first side and second side at least one side
More than two otic placode formula taps.
For example at least two otic placode formula taps are parallel by lug plate holes in the otic placode formula tap on same side
Mode longitudinal arrangement.When the combined type main chord of arm joint is made up of the main chord (as shown in Figure 5) of parallel longitudinal connection, otic placode
Formula tap is according to the composite-joint of the parallel mode longitudinal arrangement of lug plate holes with regard to that can be used to connect such a arm joint.The above first is real
Apply example and second embodiment and just belong to this situation.
The otic placode formula tap of above-mentioned longitudinal arrangement in the vertical can corresponding connection shape with adjacent otic placode formula tap
It is into a single integrated structure so that the main chord in Different Plane can not only carry out the transmission of power by pedestal, can also be by more
The integrative-structure that individual otic placode formula tap is formed carries out the transmission of power, improve between main chord by force transmission effect.
Or at least two otic placode formula taps are by lug plate holes coaxial in the otic placode formula tap of same side
Mode is transversely arranged.When the combined type main chord of arm joint is made up of the main chord (as shown in Figure 4) of horizontally-parallel connection, otic placode
The composite-joint that formula tap is arranged according to the coaxial mode of lug plate holes can be used in connecting such a arm joint.
As the main chord of the existing lateral connection of combined type main chord of arm joint, (such as Fig. 6 when having longitudinally connected main chord again
With the combined type main chord shown in Fig. 7), then it is required that for the otic placode formula point on same side of the composite-joint connected
There should be the otic placode formula tap by the parallel mode longitudinal arrangement of lug plate holes to have again by the coaxial mode of lug plate holes in joint
Transversely arranged otic placode formula tap.
For example, there are the otic placode formula tap of two longitudinal arrangements and the otic placode with one of the otic placode formula tap of longitudinal arrangement
The combined type joint of a coaxial other otic placode formula tap of hole can be used for having the combined type main chord shown in Fig. 6
The connection of arm joint.
For example, there are the otic placode formula tap of two longitudinal arrangements and the lug plate holes with the otic placode formula joint of two longitudinal arrangements
The combined type joint of coaxial one-to-one two other otic placode formula taps can be used for having answering shown in Fig. 7 respectively
The connection of the arm joint of box-like main chord.
From the foregoing, it will be observed that the both sides of composite-joint connect two arm joints to form arm support respectively, due to each and combined type master
The otic placode formula tap of chord member connection is all fixedly connected with pedestal, therefore the stress between main chord can be delivered to by pedestal
Main chord in Different Plane, improve between main chord by force transmission effect so that be more uniformly stressed between multiple arm joints,
Improve the performance of arm support.
More than two otic placode formula taps on same side can be intervally installed can also be by different otic placodes
Adjacent otic placode is set to one in the transverse direction of formula tap.For example, when otic placode formula tap is intervally installed, when needs make
When being connected with composite-joint, the otic placode joint on main chord that the same side is laterally set is sequentially inserted into spaced otic placode
In the interval that formula tap is formed mutually, then otic placode joint is tapped with the otic placode formula in corresponding composite-joint with bearing pin again
Head connects and then forms arm support.
Preferably, the otic placode formula tap of same side is uniformly arranged in a lateral direction.I.e. each otic placode formula tap
The distance between it is equal.
Preferably, the otic placode quantity for the otic placode formula tap being arranged in first side and the ear being arranged in second side
The otic placode quantity of board-like tap differs one.
Preferably, the otic placode formula tap being arranged in first side and the otic placode formula tap being arranged in second side
It can be symmetrical arranged relative to pedestal.
In connection of the composite-joint between arm joint in above example, without to former arm joint carry out it is any design or
Improvement in structure, the otic placode joint for only needing to be provided with the main chord of former arm joint in connection procedure coordinate with composite-joint
Connection, thus it is easy to use, and cost is low.
Composite-joint can be forge piece, cast member or butt welding piece, and processing technology is simple, and does not interfere with former boom system
Hauled weight and size.
The composite-joint of various embodiments of the present invention is not limited to for connecting with combined type main chord as described above
Arm joint, the arm joint with three layers, four layers or more layer main chords can also be connected, that just needs the otic placode formula of composite-joint to tap
Head is laterally or longitudinally being increased as needed.
Composite-joint in above example can be also used for connecting multi-layer combined type arm support, and by above-mentioned composite-joint
It is connected with the otic placode joint on the main chord of multi-layer combined type arm support.Composite-joint enables to multi-layer combined type arm support preferably
As an entirety, it is more uniformly stressed between multilayer arm support, improves the overall stress performance of arm support.
In summary, the otic placode formula tap of the composite-joint of various embodiments of the present invention is all fixedly connected with pedestal, therefore
Stress between main chord can be delivered to the main chord in Different Plane by pedestal, improve the stress transmission between main chord
Effect, and then improve the performance of arm support.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (9)
1. a kind of arm support, including multiple arm joints with compound main chord being sequentially connected, the compound main chord bag of the arm joint
At least two main chords be arrangeding in parallel are included, one otic placode joint of end set of each main chord, it is characterised in that institute
Stating arm support also includes composite-joint, and the composite-joint includes pedestal and multiple otic placode formula taps, and the pedestal has relative
The first side and second side of setting, the multiple otic placode formula tap are respectively arranged at the first side and of the pedestal
It is fixedly connected on two side faces and with the pedestal, is provided with the first side and the second side at least one side
Two or more otic placode formula tap, respective adjacent one end of the compound main chord of the adjacent arm joint compound are connect by described
Head connection, each otic placode joint positioned at described composite-joint one end of the compound main chord of one of arm joint with it is described multiple
Different otic placode formula tap connections in the first side of splice grafting head, being located at for the compound main chord of another arm joint are described multiple
The otic placode formula tap that each otic placode joint at the first end of splice grafting is different from the second side of the composite-joint connects.
2. arm support according to claim 1, it is characterised in that described two with upper ear plate formula point on same side
At least two otic placode formula taps press the parallel mode longitudinal arrangement of lug plate holes in joint, and/or positioned at described in same side
At least two otic placode formula taps are transversely arranged by the coaxial mode of lug plate holes in two or more otic placode formula tap.
3. arm support according to claim 1, it is characterised in that described two with upper ear plate formula point on same side
At least two otic placode formula taps are by the parallel mode longitudinal arrangement of lug plate holes, each otic placode formula tap of longitudinal arrangement in joint
Otic placode quantity it is identical and each otic placode of wherein each otic placode formula tap is each with adjacent otic placode formula tap in the vertical
Otic placode corresponds to form integrative-structure.
4. arm support according to claim 1, it is characterised in that the first side is parallel with the second side, each institute
State on the side where otic placode formula tap is vertically connected at it.
5. arm support according to claim 1, it is characterised in that described two with upper ear plate formula point on same side
Joint is intervally installed.
6. arm support according to claim 1, it is characterised in that described two with upper ear plate formula point on same side
Joint is uniformly arranged.
7. arm support according to claim 1, it is characterised in that each otic placode formula joint is including the more of multiple otic placodes
Otic placode formula tap.
8. arm support according to claim 1, it is characterised in that the ear of the otic placode formula tap in the first side
Plate quantity is identical with the otic placode quantity of the otic placode formula tap in the second side or in the first side
One is differed between the otic placode quantity of otic placode formula tap and the otic placode quantity of the otic placode formula tap in the second side
Block otic placode.
9. arm support according to any one of claim 1 to 7, it is characterised in that the ear being arranged in the first side
Board-like tap is symmetrical arranged with the otic placode formula tap being arranged in the second side relative to the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016303.1A CN105439010B (en) | 2016-01-11 | 2016-01-11 | Composite-joint and arm support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016303.1A CN105439010B (en) | 2016-01-11 | 2016-01-11 | Composite-joint and arm support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105439010A CN105439010A (en) | 2016-03-30 |
| CN105439010B true CN105439010B (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610016303.1A Active CN105439010B (en) | 2016-01-11 | 2016-01-11 | Composite-joint and arm support |
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| CN (1) | CN105439010B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858505B (en) * | 2016-06-28 | 2017-10-24 | 徐工集团工程机械股份有限公司 | Combine arm support and hoisting machinery |
| CN106115513B (en) * | 2016-08-31 | 2018-05-22 | 徐工集团工程机械股份有限公司 | Arm joint attachment device and arm support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1006187C2 (en) * | 1997-05-30 | 1999-01-07 | Mammoet Decalift Int Bv | Hoist for large loads. |
| CN2362919Y (en) * | 1998-12-12 | 2000-02-09 | 杨世录 | Fastener for combination frame of moveable storeys building |
| CN201292223Y (en) * | 2008-11-17 | 2009-08-19 | 安徽建筑机械有限责任公司 | Cargo boom, counter-boom pull rod member bar and eared plate tenon type connection structure |
| CN201999659U (en) * | 2011-03-15 | 2011-10-05 | 徐工集团工程机械股份有限公司建设机械分公司 | Strengthened jib support and crane with same |
| CN202245833U (en) * | 2011-10-12 | 2012-05-30 | 抚顺永茂建筑机械有限公司 | Connection mechanism of flat-top tower crane head and boom |
| CN203222434U (en) * | 2013-04-18 | 2013-10-02 | 云南冶金昆明重工有限公司 | Articulation device of flat-top tower crane |
| CN205312932U (en) * | 2016-01-11 | 2016-06-15 | 徐工集团工程机械股份有限公司 | Composite -joint and cantilever crane |
-
2016
- 2016-01-11 CN CN201610016303.1A patent/CN105439010B/en active Active
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