CN105439010A - Composite connector and cantilever crane - Google Patents
Composite connector and cantilever crane Download PDFInfo
- Publication number
- CN105439010A CN105439010A CN201610016303.1A CN201610016303A CN105439010A CN 105439010 A CN105439010 A CN 105439010A CN 201610016303 A CN201610016303 A CN 201610016303A CN 105439010 A CN105439010 A CN 105439010A
- Authority
- CN
- China
- Prior art keywords
- otic placode
- joint
- composite
- formula tap
- main chord
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a composite connector and a cantilever crane. The composite connector comprises a base body and multiple ear plate-type sub connectors; the base body is provided with a first side surface and a second side surface which are oppositely arranged; and the multiple ear plate-type sub connectors are separately arranged on the first side surface and the second side surface of the base body and are fixedly connected with the base body, wherein at least one of the first side surface and the second surface is provided with more than two ear plate-type sub connectors. Jib sections provided with composite type main chords are connected to form the cantilever crane through the above composite connectors; the stress applied to the main chords can be transferred to the main chords on different planes through the base bodies; and the stress transferring effect among the main chords is improved, so that the stress among the multiple jib sections is more uniform, and the performance of the cantilever crane is improved.
Description
Technical field
The present invention relates to crane field, particularly a kind of composite-joint and jib.
Background technology
Along with the fast development of international energy and chemical engineering construction field, in engineering, modularization, maximization and integrated lifting requirements improve constantly, and have higher requirement to weight-lifting equipment hoisting capacity and hoisting moment.Jib is as the main bearing member of weight-lifting equipment, and the characteristic such as version, load-carrying capacity of himself directly affects in-use performance and the lifting performance of complete machine.
The jib of weight-lifting equipment is generally saved by the arm set gradually and is formed by connecting.As depicted in figs. 1 and 2, arm joint of the prior art is generally the truss structure by four main chords 111 and some web members 112 welding.But along with the continuous increase of weight-lifting equipment load-carrying ability, four traditional main chord arms joints as depicted in figs. 1 and 2 can not meet the requirement of weight-lifting equipment to lifting performance.In order to the requirement making the performance of jib meet large lifting equipment performance, as shown in Figure 3 and Figure 4, prior art discloses a kind of arm joint with combined type main chord 114.As shown in Figure 4 and Figure 5, the combined type main chord formed by two main chords be arranged in parallel 111 replaces an original main chord; Or as shown in Figure 6, the combined type main chord that the main chord 111 be arranged in parallel by three is formed replaces an original main chord; Again such as, as shown in Figure 7, the combined type main chord formed by four main chords be arranged in parallel 111 replaces an original main chord.
As shown in Figure 8, the arm joint 11 with combined type main chord is directly docked to connect and be connected and fixed by bearing pin 15 by the joint 113 be welded on each main chord 111 and forms jib 1 of the prior art.
Be connected and fixed by the connection be welded between the joint 113 on each main chord 111 merely between the arm joint 11 with combined type main chord 114 of the prior art above, can not connect as a whole between arm joint 11 better, as shown in Figure 8, the stressed main chord 111 that can only be delivered to by joint 113 on same plane between each main chord 111, between main chord 111 by force transmission effect bad, cause between main chord 111 or arm joint between discontinuity.
Summary of the invention
The object of the present invention is to provide a kind of composite-joint, the problem of discontinuity between the main chord existed when the arm joint solving jib of the prior art connects or between arm joint.
First aspect present invention provides a kind of composite-joint, comprise pedestal and multiple otic placode formula tap, pedestal has the first side and the second side that are oppositely arranged, the first side that multiple otic placode formula tap is arranged at pedestal is respectively fixedly connected with pedestal with on the second side, wherein in the first side and the second side, at least one side is provided with two or more otic placode formula tap.
Further, be arranged in two or more otic placode formula tap at least two otic placode formula taps on same side by the parallel mode longitudinal arrangement of lug plate holes, and/or two or more otic placode formula tap at least two the otic placode formula taps being arranged in same side are transversely arranged by the mode that lug plate holes is coaxial.
Further, two or more otic placode formula tap at least two the otic placode formula taps being arranged in the same side are by the parallel mode longitudinal arrangement of lug plate holes, and the otic placode quantity of each otic placode formula tap of longitudinal arrangement is identical and each otic placode that is wherein each otic placode formula tap forms integrative-structure with each otic placode one_to_one corresponding of adjacent otic placode formula tap in the vertical.
Further, the first side is parallel with the second side, and each otic placode formula tap is vertically connected on the side at its place.
Further, the two or more otic placode formula tap be positioned on same side is intervally installed.
Further, the two or more otic placode formula tap be positioned on same side is evenly arranged.
Further, each otic placode formula joint is the many otic placodes formula tap comprising multiple otic placode.
Further, identical with the otic placode quantity of the otic placode formula tap on the second side or on the first side the otic placode quantity of otic placode formula tap of the otic placode quantity of the otic placode formula tap on the first side differs one piece of otic placode with between the otic placode quantity of the otic placode formula tap on the second side.
Further, the otic placode formula tap be arranged on the first side is symmetrical arranged relative to pedestal with the otic placode formula tap be arranged on the second side.
A second aspect of the present invention provides a kind of jib, comprise multiple arm joint with compound main chord connected successively, the compound main chord of arm joint comprises at least two main chords be arranged in parallel, the end of each main chord arranges an otic placode joint, jib also comprises above-mentioned composite-joint, and one end adjacent separately of the compound main chord of adjacent arm joint is connected by composite-joint, the each otic placode joint of composite-joint one end that is positioned at of the compound main chord of one of them arm joint connects from the otic placode formula tap of different on the first side of composite-joint, the each otic placode joint of composite-joint one end that is positioned at of the compound main chord of another arm joint connects from the otic placode formula tap of different on the second side of composite-joint.
Based on composite-joint provided by the invention, comprise pedestal and multiple otic placode formula tap, pedestal has the first side and the second side that are oppositely arranged, the first side that multiple otic placode formula tap is arranged at pedestal is respectively fixedly connected with pedestal with on the second side, wherein in the first side and the second side, at least one side is provided with two or more otic placode formula tap.Have combined type main chord arm joint between be connected to form jib by above-mentioned composite-joint, the stressed main chord that can be delivered to by pedestal in Different Plane of main chord, improve between main chord by force transmission effect, make between multiple arm joint stressed more even, improve the performance of jib.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present invention, further feature of the present invention and advantage thereof will become clear.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the front view structural representation of four main chord arm joints of the prior art;
Fig. 2 is the lateral plan structural representation of four main chord arm joints in Fig. 1;
Fig. 3 is the front view structural representation with the first scheme of the arm joint of combined type main chord of the prior art;
Fig. 4 be in Fig. 3 arm joint A-A to sectional structure schematic diagram;
Fig. 5 is the cross-sectional structure schematic diagram with the first scheme of the arm joint of combined type main chord of the prior art;
Fig. 6 is the cross-sectional structure schematic diagram with the third scheme of the arm joint of combined type main chord of the prior art;
Fig. 7 is the cross-sectional structure schematic diagram with the 4th kind of scheme of the arm joint of combined type main chord of the prior art;
Fig. 8 is the connection structure schematic diagram of the arm internode of jib of the prior art;
Fig. 9 is the perspective view of the jib that the composite-joint connecting arm joint of first embodiment of the invention is formed;
Figure 10 is the perspective view of the composite-joint in Fig. 9;
Figure 11 is the main TV structure schematic diagram of the jib that the composite-joint connecting arm joint of second embodiment of the invention is formed;
Figure 12 is the perspective view of the composite-joint in Figure 11.
Each Reference numeral represents respectively:
1-jib; 11-arm saves; 111-main chord; 112-web member; 113-joint; 114-combined type main chord; 15-bearing pin; 2-jib; 21-arm saves; 211-main chord; 211A-otic placode joint; 25-bearing pin; 26-composite-joint; 261-pedestal; 262-otic placode formula tap.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification sheets.In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes location (90-degree rotation or be in other orientation), and relatively describe space used here and make respective explanations.
In the following description, the short transverse of jib is defined as longitudinal direction, the Width of jib is defined as transverse direction.
As shown in figures 9 and 11, the composite-joint 26 of various embodiments of the present invention saves 21 to form jib 2 for connecting the arm with combined type main chord.
At this, in order to be described the structure of composite-joint 26 better, first according to Fig. 4 to Fig. 7, the structure of the arm joint with combined type 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, and in the first scheme, combined type main chord is connected to form by two main chords laterally be arranged in parallel.
Fig. 5 shows the cross-sectional structure schematic diagram of the first scheme of the arm joint with combined type main chord, and in first scheme, combined type main chord is connected to form by two main chords 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, and in the third scheme, combined type main chord is connected to form leg-of-mutton three main chords by the horizontal and vertical cross-sectional plane be arranged in parallel and jointly connects to form.
Fig. 7 shows the cross-sectional structure schematic diagram of the 4th kind of scheme of the arm joint with combined type main chord, and in the 4th kind of scheme, four main chords that combined type main chord is connected to form quadrangle by the horizontal and vertical cross sections be arranged in parallel connect to form jointly.
First embodiment
By according to Fig. 9 and Figure 10, the composite-joint 26 of first embodiment of the invention is described in detail below.
As shown in Figure 9, the combined type main chord of arm joint 21 is connected to form by the main chord 211 of two parallel longitudinal settings.The combined type main chord of alternate arm joint connects by composite-joint 26.The side that two main chords of each combined type main chord are corresponding with composite-joint 26 is corresponding arranges an otic placode joint 211A.
As shown in Figure 10, the composite-joint 26 in the first embodiment comprises pedestal 261.Pedestal 261 has the first side and the second side (left surface shown in Figure 10 and right flank) that are oppositely arranged, and the first side of pedestal 261 and the second side are all fixedly connected with otic placode formula tap 262.Otic placode formula tap 262 in the present embodiment is many otic placodes formula tap, and multiple otic placode intervals of each many otic placodes formula tap are arranged.
As shown in Figure 9 and Figure 10, the first side of composite-joint 26 and the second side are all provided with two otic placode formula taps 262 of longitudinal arrangement.And the otic placode quantity of two of longitudinal arrangement otic placode formula taps is identical, wherein each otic placode of each otic placode formula tap 262 forms integrative-structure with each otic placode one_to_one corresponding of adjacent otic placode formula tap 262 in the vertical.
The each main chord 211 being arranged in the left side arm joint 21 of Fig. 9 is provided with otic placode joint 211A, and otic placode joint 211A is the otic placode joint with three otic placodes.Correspondingly, as shown in Figure 9 and Figure 10, the otic placode formula tap 262 saved with left side arm on the first side of 21 composite-joints be connected 26 has two otic placodes.When connecting, in the interval that three otic placodes two otic placodes of two otic placode formula taps 262 of the first side of composite-joint 26 being inserted into separately the otic placode joint 211A on corresponding main chord 211 are formed, then be connected and fixed with bearing pin 25.
Otic placode joint on the main chord of right arm joint has two otic placodes.Therefore correspondingly, for there are three otic placodes (as shown in Figure 10) with the otic placode formula tap that right arm saves on the second side of the composite-joint 26 be connected.During connection, in the interval that three otic placodes of each corresponding otic placode formula tap that two otic placodes of otic placode joint on each main chord save right arm are inserted on the second side of composite-joint 26 are formed each other, then be connected and fixed with bearing pin 25.
In summary, the main chord 211 of Different Plane can not only carry out the transmission of power by the pedestal 261 of composite-joint 26, and form integrative-structure with each otic placode one_to_one corresponding of adjacent otic placode formula tap in the vertical due to each otic placode of composite-joint 26, the integrative-structure that therefore can be formed by each otic placode again carries out the transmission of power, therefore just make arm save to connect better between 21 as a whole, stressed more even between main chord 211, improves the performance of whole jib 2.
In the present embodiment, as shown in Figure 10, the first side of pedestal 26 is parallel with the second side, and otic placode formula tap 262 is vertically connected on the side at place.
As shown in Figure 10, the otic placode number ratio being arranged at the otic placode formula tap 262 on the first side is located at few one of the otic placode quantity of the otic placode formula tap 262 on the second side.
Second embodiment
By according to Figure 11 and Figure 12, the composite-joint 26 of second embodiment of the invention is described in detail below.
As shown in figure 12, the composite-joint 26 of the second embodiment, its otic placode formula tap 262 is also many otic placodes formula tap.With the composite-joint 26 of the first embodiment unlike, the otic placode quantity being arranged at the otic placode formula tap 262 on the first side of the composite-joint 26 in the second embodiment is identical with the otic placode quantity of the otic placode formula tap 262 be arranged on the second side.
Particularly, as shown in figure 12, the otic placode quantity of the otic placode formula tap 262 on the first side of the composite-joint 26 of the second embodiment and the second side is all three.
Other unaccounted structures of the composite-joint of the second embodiment are identical with the first embodiment.
Figure 11 is the main TV structure schematic diagram of the jib 2 that the composite-joint 26 of the second embodiment is formed for connecting arm joint 21.
The combined type main chord of the arm joint 21 of composite-joint 26 connection of the second embodiment is connected to form jointly by two main chords of parallel longitudinal setting.One end towards composite-joint 26 of every root main chord of combined type main chord arranges a bi-lug plate joint.
When utilizing composite-joint 26 connection left side arm to save 21, in the interval of the otic placode formation of the otic placode formula tap 262 that the first side bi-lug plate joint of two main chords 211 being inserted into composite-joint 26 is arranged, in each lug plate holes, insert corresponding bearing pin 25.Similarly, in the interval of the otic placode formation of the otic placode formula tap 262 arranged the second side that the bi-lug plate joint on two main chords 211 of right arm joint 21 is inserted into composite-joint 26, in each lug plate holes, corresponding bearing pin 25 is inserted.
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 arm save to connect better between 21 as a whole, stressed more even between main chord 211, improves the performance of whole jib 2.
The otic placode formula tap of the composite-joint in the first embodiment and the second embodiment is all many otic placodes formula tap.The composite-joint of other not shown embodiments will be described below, in these embodiments described below, otic placode formula tap can be bi-lug plate formula tap, also can be the board-like tap of monaural.
Composite-joint comprises pedestal and multiple otic placode formula tap.The first side that multiple otic placode formula tap is arranged at pedestal is respectively with the second side and be fixedly connected with pedestal.And first at least one side in side and the second side is provided with plural otic placode formula tap.
Such as, otic placode formula tap at least two otic placode formula taps on same side are arranged in by the parallel mode longitudinal arrangement of lug plate holes.When the combined type main chord of arm joint be made up of the main chord (as shown in Figure 5) of parallel longitudinal connection, otic placode formula tap just can be used for connecting this kind of arm according to the composite-joint of the parallel mode longitudinal arrangement of lug plate holes and save.Above first embodiment and the second embodiment just belong to this situation.
The otic placode formula tap of above-mentioned longitudinal arrangement can correspondingly be connected to form one with adjacent otic placode formula tap structure in the vertical, make the main chord being in Different Plane not only can be carried out the transmission of power by pedestal, the integrative-structure that can also be formed by multiple otic placode formula tap carry out the transmission of power, improve between main chord by force transmission effect.
Or otic placode formula tap at least two the otic placode formula taps being arranged in same side are transversely arranged by the mode that lug plate holes is coaxial.When the combined type main chord of arm joint is by when laterally parallel connected main chord (as shown in Figure 4) forms, otic placode formula tap can be used in connecting this kind of arm joint according to the composite-joint that the mode that lug plate holes is coaxial carries out arranging.
When the main chord of the existing lateral connection of combined type main chord of arm joint, when having again a main chord longitudinally connected (combined type main chord as shown in Figure 6 and Figure 7), so requiring to be used for the otic placode formula tap be arranged on same side of the composite-joint connected should have and have again by the mode that lug plate holes is coaxial transversely arranged otic placode formula tap by the otic placode formula tap of the parallel mode longitudinal arrangement of lug plate holes.
Such as, the connection that the arm having the combined type joint of the otic placode formula tap of two longitudinal arrangements and the otic placode formula tap other with coaxial one of the lug plate holes of one of the otic placode formula tap of longitudinal arrangement to may be used for having the combined type main chord shown in Fig. 6 saves.
Such as, the connection having the otic placode formula tap of two longitudinal arrangements and save with the arm that the combined type joint of the lug plate holes of the otic placode formula joint of two longitudinal arrangements coaxial two other otic placode formula taps one to one respectively may be used for having the combined type main chord shown in Fig. 7.
As from the foregoing, the both sides of composite-joint connect two arm joints respectively to form jib, the otic placode formula tap be connected with combined type main chord due to each is all fixedly connected with pedestal, therefore the stressed main chord that can be delivered to by pedestal in Different Plane between main chord, improve between main chord by force transmission effect, make between multiple arm joint stressed more even, improve the performance of jib.
Plural otic placode formula tap on same side can be intervally installed and also the transversely adjacent otic placode of different otic placode formula taps can be set to one.Such as, when otic placode formula tap is intervally installed, when needs use composite-joint to connect, otic placode joint order on the main chord of the same side horizontally set is inserted in the interval that spaced otic placode formula tap formed mutually, and then with bearing pin, otic placode joint is connected with the otic placode formula tap in corresponding composite-joint and then forms jib.
Preferably, the otic placode formula tap of same side is evenly arranged in a lateral direction.Namely the distance between each otic placode formula tap is equal.
Preferably, the otic placode quantity being arranged at the otic placode formula tap on the first side differs one with the otic placode quantity of the otic placode formula tap be arranged on the second side.
Preferably, the otic placode formula tap be arranged on the first side can be symmetrical arranged relative to pedestal with the otic placode formula tap be arranged on the second side.
In the connection of composite-joint in above embodiment between arm joint, without the need to carrying out any design or structural improvement to former arm joint, in connection procedure, only need otic placode joint that the main chord that saved by former arm is provided with and composite-joint to be connected, therefore easy to use, cost is low.
Composite-joint can be Forging Parts, Casting Parts or butt welding piece, and processing technology is simple, and can not affect domestic shipping weight and the size of former boom system.
The composite-joint of various embodiments of the present invention is not limited to for connecting the arm joint with combined type main chord as above, can also connect the arm joint with three layers, four layers or more layer main chords, that just needs the otic placode formula tap of composite-joint laterally or longitudinally increasing as required.
Composite-joint in above embodiment can also be used for connecting multi-layer combined type jib, is also above-mentioned composite-joint to be connected with the otic placode joint on the main chord of multi-layer combined type jib.Composite-joint can make multi-layer combined type jib become as a whole better, stressed more even between multilayer jib, improves the stress performance of jib entirety.
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 the stressed main chord that can be delivered to by pedestal in Different Plane between main chord, improve between main chord by force transmission effect, and then improve the performance of jib.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. a composite-joint, it is characterized in that, comprise pedestal and multiple otic placode formula tap, described pedestal has the first side and the second side that are oppositely arranged, the first side that described multiple otic placode formula tap is arranged at described pedestal is respectively fixedly connected with described pedestal with on the second side, in described first side and described second side, at least one side is provided with two or more otic placode formula tap.
2. composite-joint according to claim 1, it is characterized in that, be arranged in described two or more otic placode formula tap at least two otic placode formula taps on same side by the parallel mode longitudinal arrangement of lug plate holes, and/or described two or more otic placode formula tap at least two the otic placode formula taps being arranged in same side are transversely arranged by the mode that lug plate holes is coaxial.
3. composite-joint according to claim 1, it is characterized in that, be arranged in described two or more otic placode formula tap at least two otic placode formula taps on same side by the parallel mode longitudinal arrangement of lug plate holes, the otic placode quantity of each otic placode formula tap of longitudinal arrangement is identical and each otic placode that is wherein each otic placode formula tap forms integrative-structure with each otic placode one_to_one corresponding of adjacent otic placode formula tap in the vertical.
4. composite-joint according to claim 1, is characterized in that, described first side is parallel with described second side, and each described otic placode formula tap is vertically connected on the side at its place.
5. composite-joint according to claim 1, is characterized in that, the described two or more otic placode formula tap be positioned on same side is intervally installed.
6. composite-joint according to claim 1, is characterized in that, the described two or more otic placode formula tap be positioned on same side is evenly arranged.
7. composite-joint according to claim 1, is characterized in that, each described otic placode formula joint is the many otic placodes formula tap comprising multiple otic placode.
8. composite-joint according to claim 1, it is characterized in that, identical with the otic placode quantity of the otic placode formula tap on described second side or on described first side the otic placode quantity of otic placode formula tap of the otic placode quantity of the otic placode formula tap on described first side differs one piece of otic placode with between the otic placode quantity of the otic placode formula tap on described second side.
9. composite-joint according to any one of claim 1 to 7, is characterized in that, the otic placode formula tap be arranged on described first side is symmetrical arranged relative to described pedestal with the otic placode formula tap be arranged on described second side.
10. a jib, comprise multiple arm joint with compound main chord connected successively, the compound main chord of described arm joint comprises at least two main chords be arranged in parallel, the end of each described main chord arranges an otic placode joint, it is characterized in that, described jib also comprises composite-joint as claimed in any one of claims 1-9 wherein, and one end adjacent separately of the compound main chord of adjacent described arm joint is connected by described composite-joint, the each described otic placode joint of described composite-joint one end that is positioned at of the compound main chord of one of them arm joint connects from the otic placode formula tap of different on the first side of described composite-joint, the each described otic placode joint of described composite-joint one end that is positioned at of the compound main chord of another arm joint connects from the otic placode formula tap of different on the second side of described composite-joint.
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 true CN105439010A (en) | 2016-03-30 |
| CN105439010B CN105439010B (en) | 2018-01-23 |
Family
ID=55549735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610016303.1A Active CN105439010B (en) | 2016-01-11 | 2016-01-11 | Composite-joint and arm support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105439010B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858505A (en) * | 2016-06-28 | 2016-08-17 | 徐工集团工程机械股份有限公司 | Combined jib and hoisting machinery |
| CN106115513A (en) * | 2016-08-31 | 2016-11-16 | 徐工集团工程机械股份有限公司 | Arm joint attachment means and jib |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998054080A1 (en) * | 1997-05-30 | 1998-12-03 | Mammoet Decalift International B.V. | Hoisting device for big 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
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998054080A1 (en) * | 1997-05-30 | 1998-12-03 | Mammoet Decalift International B.V. | Hoisting device for big 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858505A (en) * | 2016-06-28 | 2016-08-17 | 徐工集团工程机械股份有限公司 | Combined jib and hoisting machinery |
| 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 |
| CN106115513A (en) * | 2016-08-31 | 2016-11-16 | 徐工集团工程机械股份有限公司 | Arm joint attachment means and jib |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105439010B (en) | 2018-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105174092A (en) | Connection system for crane boom segments | |
| CN105439010A (en) | Composite connector and cantilever crane | |
| CN102556861A (en) | Counterweight pulling plate device for crane and crane | |
| CN205312931U (en) | Modular cantilever crane and hoisting equipment | |
| CN205312932U (en) | Composite -joint and cantilever crane | |
| CN103669579A (en) | Connector | |
| CN105502196A (en) | Pulley block combining structure, lifting hook and lifting device | |
| CN206069237U (en) | Arm joint attachment means and arm support | |
| CN201924362U (en) | Integral type angle steel enclosing purlin | |
| CN204385898U (en) | A kind of circle side node component | |
| CN204458796U (en) | A kind of pressure-bearing type joint and crawler crane boom system thereof | |
| CN106115513B (en) | Arm joint attachment device and arm support | |
| CN109592056B (en) | Method for hanging pod of oiling machine | |
| CN216130202U (en) | Distribution beam for pile foundation compression-resistant static load test device | |
| CN203756672U (en) | Platform plate connector | |
| CN103422614B (en) | Wavelike steel webplate steel construction continuous box girder | |
| CN205387448U (en) | Assembly pulley integrated configuration, lifting hook and hoisting equipment | |
| CN110886189B (en) | Using method of port connecting device | |
| CN220751568U (en) | Multidirectional loaded lug joint fatigue test loading device | |
| CN204384754U (en) | A kind of hoisting crane and hoisting crane gooseneck boom thereof | |
| CN205151597U (en) | Cantilever crane and hoist | |
| CN216238951U (en) | Connecting structure of pull rod and cross beam and pull rod-cross beam assembly | |
| CN205212131U (en) | Spherical contact | |
| CN217230043U (en) | Combined arm section and crawler crane | |
| CN106115514A (en) | Jib and crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |