CN202226578U - Folding auxiliary arm for crane - Google Patents
Folding auxiliary arm for crane Download PDFInfo
- Publication number
- CN202226578U CN202226578U CN2011203788831U CN201120378883U CN202226578U CN 202226578 U CN202226578 U CN 202226578U CN 2011203788831 U CN2011203788831 U CN 2011203788831U CN 201120378883 U CN201120378883 U CN 201120378883U CN 202226578 U CN202226578 U CN 202226578U
- Authority
- CN
- China
- Prior art keywords
- hinge
- chord member
- arm
- ear
- upside
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a folding auxiliary arm for a crane. The folding auxiliary arm comprises a first-section arm and a second-section arm which can be folded relative to each other; an upper ear hinge which is positioned on one side of an upper side chord member and a lower ear hinge which is positioned on one side of a lower side chord member are arranged between the first-section arm and the second-section arm; and a hinge hole of the upper ear hinge is positioned outside the upper side chord member, and a hinge hole of the lower ear hinge is positioned at the axial end of the lower side chord member. The first-section arm is provided with a positioning pillar; the second-section arm is provided with a length adjustment pillar which is butted with the positioning pillar; and the positioning pillar and the length adjustment pillar are positioned in the sections of the first-section arm and the second-section arm, and near the lower side chord member. Under the condition of meeting the folding requirement, the structure of the folding auxiliary arm is enhanced, the stressing form of the ear hinges is improved, and the performance such as intensity and stability of the auxiliary arm is improved.
Description
Technical field
The utility model relates to hoisting crane, relates in particular to the folding auxiliary of hoisting crane.
Background technology
In order to reduce the built-up time of boom system; Reduce the crane transition height, improve the driving stability performance, the boom system with collapsible auxiliary just often will be used; Particularly on the aerogenerator hoisting crane, boom system uses collapsible auxiliary just to seem particularly important.
Fig. 1 is the mode of operation of articulated boom 10 '; The ear hinge 15 ', 16 ' that its forward and backward arm 11 ', 12 ' the chord member of both sides up and down 13 ', 14 ' are located adopts unified installation form; Promptly be welded on the surface of both sides chord member (cylinder) up and down; Make articulated boom can realize jackknife action, folded state is shown in Fig. 2.When articulated boom changes, carry out latch to the forward and backward arm of auxiliary, so that it is fixed from the folded state to the mode of operation.
For guaranteeing that latch is accurate, promptly the pin-and-hole on the ear hinge of the pin-and-hole on the ear of the forearm 11 ' hinge and postbrachium 12 ' will align, and existing scheme utilizes the contact between the finished surface of chord member end that pin-and-hole is alignd.
In above-mentioned articulated boom, ear hinge is welded on the surface of chord member (cylinder), and this mounting means weld cracking occurs easily under the excessive situation of unbalance loading or axial force, dangerous high.In addition, the finished surface that is used for pin-and-hole alignment on the chord member can't be adjusted along with actual needs, exists pin-and-hole to the uneven and problem bolt axle difficulty.
The utility model content
The purpose of the utility model is to provide a kind of hoisting crane collapsible auxiliary, to improve the stress form of ear hinge.
For this reason; The utility model provides a kind of hoisting crane collapsible auxiliary, comprises the first segment arm and the second joint arm that can fold relatively, wherein; Be provided with last ear hinge that is positioned at upside chord member one side and the following ear hinge that is positioned at downside chord member one side between the first segment arm and the second joint arm; Wherein, the fraising of last ear hinge is positioned at the outside of upside chord member, and the fraising of following ear hinge is positioned at the axial end of downside chord member.
Further, above-mentioned first segment arm is provided with registration mast, and the second joint arm is provided with the length adjustment post that connects and locate with registration mast.
Further, above-mentioned length adjustment post comprises fixing post of length and the adjusting bolt that is screwed onto the end of post.
Further, above-mentioned registration mast is fixedly connected on the web member of first segment arm, and the length adjustment post is fixedly connected on the web member of the second joint arm.
Further, the above-mentioned hinge of ear down comprises hinged monaural hinge and ears hinge, and monaural hinge and ears hinge are the integral type forging.
Further; The above-mentioned ear hinge that goes up comprises hinged monaural hinge and ears hinge; The upside chord member of first segment arm offers first slot; The upside chord member of the second joint arm offers second slot, and the monaural hinge of last ear hinge is plugged in first slot and is fixing with the upside chord member welding at place, and the ears hinge is plugged in second slot and with the upside chord member welding at place and fixes.
Further, being welded with at least one reinforcement between the upside chord member that the above-mentioned monaural of going up the ear hinge cuts with scissors and ears cut with scissors respectively and belong to handles.
Further, the above-mentioned monaural of going up the ear hinge cuts with scissors with the web member welding of first segment arm fixing, and the ears of last ear hinge cut with scissors with the web member welding of the second joint arm fixing.
Further, the both end sides of the earhole of the above-mentioned monaural hinge that goes up the ear hinge is provided with in the earhole of reinforcing pad and monaural hinge and is embedded with copper sheathing.
Further, the both end sides of the earhole of the above-mentioned ears hinge that goes up the ear hinge is provided with in the earhole of reinforcing pad and ears hinge and is embedded with copper sheathing.
The collapsible auxiliary of the utility model has been strengthened structure under the situation that satisfies folding needs, improved the stress form of ear hinge, has improved the intensity and the stability of auxiliary, and is convenient to the alignment adjustment of the fraising of ear hinge.
Except top described purpose, characteristic and advantage, other purpose, characteristic and the advantage that the utlity model has are with combining accompanying drawing to do further detailed explanation.
Description of drawings
Constitute the preferred embodiment that the part of this specification sheets, the accompanying drawing that is used for further understanding the utility model show the utility model, and be used for explaining the principle of the utility model with specification sheets.Among the figure:
Fig. 1 is the partial schematic diagram of the collapsible auxiliary of the hoisting crane of prior art in deployed condition;
Fig. 2 is the partial schematic diagram of the collapsible auxiliary of hoisting crane shown in Figure 1 at folded state;
Fig. 3 is according to the partial schematic diagram of the collapsible auxiliary of the hoisting crane of the utility model in deployed condition;
Fig. 4 is the enlarged diagram of the local I of the collapsible auxiliary of hoisting crane shown in Figure 3;
Fig. 5 is the partial schematic diagram of the first segment arm (forearm) of the collapsible auxiliary of hoisting crane shown in Figure 3;
Fig. 6 is the annexation scheme drawing between monaural hinge and the upside chord member that belongs to of first segment arm shown in Figure 3;
Fig. 7 is the partial schematic diagram of the second joint arm (postbrachium) of the collapsible auxiliary of hoisting crane shown in Figure 3; And
Fig. 8 is the annexation scheme drawing between ears hinges and the upside chord member that belongs to of the second joint arm shown in Figure 3.
Description of reference numerals
10 collapsible auxiliary 11 first segment arms
12 second joint arms, 13 upside chord members
15 times ear hinges of ear hinge on 14
16 downside chord members, 17 registration masts
18 length adjustment posts, 19 web members
21 arc plates, 22,25 reinforcing pads
23,26 copper sheathings, 24 arc plates
131 grooves, 132 grooves
The ears hinge of ear hinge on the monaural hinge 142 of ear hinge on 141
The ears hinge of 152 times ear hinges of monaural hinge of 151 times ear hinges
The fixing post 182 of 181 length is regulated bolt.
The specific embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 3 and Fig. 4 show the structural representation according to the collapsible auxiliary of hoisting crane of the utility model.Like Fig. 3 and shown in Figure 4; The collapsible auxiliary 10 of hoisting crane comprises the folding first segment arm 11 and the second joint arm 12; Wherein, The fraising of last ear hinge 14 that is positioned at upside chord member 13 1 sides of the first segment arm 11 upside chord members 13 and the second joint arm 12 is positioned at the outside of upside chord member 13, and the following ear that the downside chord member 16 and second that is positioned at first segment arm 11 saves downside chord member 16 1 sides of arm 12 cuts with scissors the axial end portion that 15 fraising is positioned at downside chord member 16.
Following ear hinge 15 is made up of the monaural hinge 151 of the downside chord member axial end portion that is welded in first segment arm 11 and the ears hinge 152 of the downside chord member axial end portion that is welded in the second joint arm 12.On the central axis that is centered close to this place's downside chord member of the fraising of following ear hinge 15, help the transmission of power.Monaural hinge 151 all preferably adopts the integral type forging with ears hinge 152, and is rounded with downside chord member weld seam, mainly bears compression effort, stress form than prior art receive shear and bending force reasonable, safe and reliable.
As shown in Figure 4 again, length adjustment post 18 comprises fixing post of length 181 and the adjusting bolt 182 that is screwed onto the end of post 181.During first the installation; Make and constitute the fraising of the monaural hinge (on the chord member of first segment arm) of ear hinge 15 down and the fraising alignment of ears hinge (on the chord member of the second joint arm); Put on bearing pin, the length of adjustable bolt makes the head of regulating bolt 182 contact just with registration mast 17 again.Employing bolt location, convenient adjustment, with low cost, the accuracy hinge is high, has avoided causing because of Mismachining tolerance locating inaccurate, fraising to uneven situation generation.
Fig. 5 and Fig. 6 show the monaural hinge of first segment arm and the annexation between the upside chord member.Like Fig. 5 and shown in Figure 6; The upside chord member 13 of first segment arm 11 offers the slot 131 that supplies monaural hinge 141 to insert; Monaural hinge 141 is inserted in the slots 131 and is had and runs through upside chord member 13 and extend to the part 141a outside upside chord member 13 opposite sides, this part 141a directly with upside chord member 13 and web member 19 weld togethers.In addition, also through at a plurality of reinforcement gussets 21 that extend perpendicular to upside chord member direction with monaural hinge 141 and upside chord member 13 indirect weld togethers, cut with scissors 141 Joint strenght and rigidity to increase monaural.
In addition, the both end sides of the earhole of monaural hinge 141 is provided with and is embedded with copper sheathing 23 in reinforcing pad 22 and the earhole, to improve the local pressure of fraising; Earhole in the ear hinge increases copper sheathing, to improve the pivoting friction of bearing pin and fraising, is convenient for changing after the wearing and tearing.
Fig. 7 and Fig. 8 show the ears hinge of the second joint arm and the annexation between the upside chord member.Like Fig. 7 and shown in Figure 8; The upside chord member 13 of first segment arm 12 offers the slot 132 that supplies monaural hinge 142 to insert; Ears hinge 142 is inserted in the slot 132 and is had and runs through the part 142a that upside chord member 13 extends to upside chord member 13 opposite sides, this part 142a direct and upside chord member 13 and web member 19 weld togethers.In addition, also through at a plurality of reinforcement gussets 24 that extend perpendicular to upside chord member direction with ears hinge 142 and upside chord member 13 indirect weld togethers, cut with scissors 142 Joint strenght and rigidity to increase ears.
In addition, the both end sides of the earhole of ears hinge 141 is provided with and is embedded with copper sheathing 26 in reinforcing pad 25 and the earhole, to improve the local pressure of fraising; Earhole in ears hinge 142 increases copper sheathing 26, to improve the pivoting friction of bearing pin and fraising, is convenient for changing after the wearing and tearing.
In the above-described embodiments, the above-mentioned first segment arm and the second joint arm are the truss-like jib, can change the jib of box-shaped or other types in other embodiments into.In the above-described embodiments, the first segment arm is the monaural hinge, and the second joint arm is the ears hinges, and can change the first segment arm in other embodiments into is the ears hinges, and the second joint arm is the monaural hinge.In addition, in the above-described embodiments, the reinforcement gusset of other shape or position can also be arranged.
In the above-described embodiments, last ear hinge adopts the form of board-like insertion chord member, and following ear hinge adopts the integral type forging, under the situation that satisfies the folding needs of auxiliary, has strengthened structure, has improved the stress form of ear hinge, has improved the intensity and the stability of auxiliary.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. collapsible auxiliary of hoisting crane; Comprise the first segment arm (11) and the second joint arm (12); Wherein, be provided with last ear hinge (14) that is positioned at upside chord member (13) one sides and the following ear hinge (15) that is positioned at downside chord member (16) one sides between the first segment arm (11) and the second joint arm (12), it is characterized in that; Said fraising of going up ear hinge (14) is positioned at the outside of said upside chord member (13), and the said fraising of ear hinge (15) down is positioned at the axial end of said downside chord member (16).
2. the collapsible auxiliary of hoisting crane according to claim 1 is characterized in that,
Said first segment arm (11) is provided with registration mast (17), and the said second joint arm (12) is provided with the length adjustment post (18) that connects and locate with said registration mast (17).
3. the collapsible auxiliary of hoisting crane according to claim 2 is characterized in that, said length adjustment post (18) comprises the post (181) that length is fixing and is screwed onto the adjusting bolt (182) of the end of said post (181).
4. the collapsible auxiliary of hoisting crane according to claim 2 is characterized in that, said registration mast (17) is fixedly connected on the web member of said first segment arm (11), and said length adjustment post (18) is fixedly connected on the web member of the said second joint arm (12).
5. the collapsible auxiliary of hoisting crane according to claim 1 is characterized in that, said ear hinge (15) down comprises hinged monaural hinge (151) and ears hinges (152), and said monaural hinge (151) and ears hinges (152) are the integral type forging.
6. the collapsible auxiliary of hoisting crane according to claim 1; It is characterized in that; The said ear hinge (14) that goes up comprises hinged monaural hinge (141) and ears hinges (142); The upside chord member of said first segment arm (11) offers first slot (131); The upside chord member of the said second joint arm (12) offers second slot (132), and the said monaural hinge (141) that goes up ear hinge (14) is plugged in said first slot (131) and is fixing with the upside chord member welding at place, and said ears hinges (142) are plugged in said second slot (132) and are fixing with the upside chord member welding at place.
7. the collapsible auxiliary of hoisting crane according to claim 6 is characterized in that, said monaural hinge (141) and the ears hinges (142) that go up ear hinge (14) are welded with at least one reinforcement gusset (21,24) respectively and between the upside chord member (13) at place.
8. the collapsible auxiliary of hoisting crane according to claim 6; It is characterized in that; The monaural hinge (141) of said upward ear hinge (14) is fixed with the web member welding of said first segment arm (11), and the web member welding that the said ears hinges (142) and said second that go up ear hinge (14) save arm (12) is fixing.
9. the collapsible auxiliary of hoisting crane according to claim 6 is characterized in that, the both end sides of the earhole of the said monaural hinge (141) that goes up ear hinge (14) is provided with in the earhole of reinforcing pad (22) and said monaural hinge (141) and is embedded with copper sheathing (23).
10. the collapsible auxiliary of hoisting crane according to claim 6 is characterized in that, the both end sides of the earhole of the said ears hinges (142) that go up ear hinge (14) is provided with in the earhole of reinforcing pad (25) and said ears hinges (142) and is embedded with copper sheathing (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203788831U CN202226578U (en) | 2011-09-27 | 2011-09-27 | Folding auxiliary arm for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203788831U CN202226578U (en) | 2011-09-27 | 2011-09-27 | Folding auxiliary arm for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202226578U true CN202226578U (en) | 2012-05-23 |
Family
ID=46077177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203788831U Expired - Fee Related CN202226578U (en) | 2011-09-27 | 2011-09-27 | Folding auxiliary arm for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202226578U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340885A (en) * | 2014-10-30 | 2015-02-11 | 徐工集团工程机械股份有限公司 | Crawling crane and boom frame system thereof |
| US9851049B1 (en) | 2016-08-29 | 2017-12-26 | John Rene Spronken | Crane tie arm adjustment |
| CN109553009A (en) * | 2018-12-10 | 2019-04-02 | 中联重科股份有限公司 | The cantilever crane method for dismounting of cantilever crane and crane |
| CN112919342A (en) * | 2021-02-26 | 2021-06-08 | 徐州建机工程机械有限公司 | Novel foldable auxiliary arm structure and automobile crane |
-
2011
- 2011-09-27 CN CN2011203788831U patent/CN202226578U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340885A (en) * | 2014-10-30 | 2015-02-11 | 徐工集团工程机械股份有限公司 | Crawling crane and boom frame system thereof |
| US9851049B1 (en) | 2016-08-29 | 2017-12-26 | John Rene Spronken | Crane tie arm adjustment |
| CN109553009A (en) * | 2018-12-10 | 2019-04-02 | 中联重科股份有限公司 | The cantilever crane method for dismounting of cantilever crane and crane |
| CN109553009B (en) * | 2018-12-10 | 2020-04-24 | 中联重科股份有限公司 | Boom and boom dismounting method of crane |
| CN112919342A (en) * | 2021-02-26 | 2021-06-08 | 徐州建机工程机械有限公司 | Novel foldable auxiliary arm structure and automobile crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202226578U (en) | Folding auxiliary arm for crane | |
| CN102267670A (en) | Connecting frame, boom system with connecting frame, and lifting appliance | |
| CN103466472A (en) | Auxiliary arm system and crawler crane | |
| CN205151548U (en) | Hoist compensating beam and hoist | |
| CN201087085Y (en) | Trussed-beam type lengthened auxiliary elevator boom with variable cross-section | |
| CN214527790U (en) | Cantilever type bracket type attached truss of tower crane | |
| CN105625795A (en) | Adjustable leading rope spreading arm frame | |
| CN202265344U (en) | Connection frame as well as boom system with same and hoisting machinery | |
| CN203545535U (en) | Auxiliary arm and crane | |
| CN201626788U (en) | Crawling crane used for lifting wind power equipment | |
| CN205740104U (en) | A kind of novel variable cross section truss arm standard knot | |
| CN203603022U (en) | Butt joint type joint of railway steel truss girder | |
| CN203255896U (en) | Sectional type crane jib | |
| CN202337655U (en) | Super-lifting device of crane and whole ground crane | |
| CN204626985U (en) | A kind of arm head syndeton and concrete mixer | |
| CN203486798U (en) | Crane and boom system | |
| CN202657871U (en) | Waist rope connecting structure of crane and crane comprising waist rope connecting structure | |
| CN203474330U (en) | Variable-amplitude pulley wheel assembly and tower crane provided with variable-amplitude pulley wheel assembly | |
| CN205709608U (en) | Crane and rotating platform of crane | |
| CN202186815U (en) | Elevator car rack | |
| CN201952137U (en) | Combined transition arm support | |
| CN210393501U (en) | Super-long tower crane attachment device | |
| CN201857621U (en) | Movable arm of excavator | |
| CN103723198A (en) | Wheel crane and frame structure thereof | |
| CN201301854Y (en) | Conical nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan ZOOMLION Crawler Crane Co., Ltd. Assignor: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Contract record no.: 2013990000373 Denomination of utility model: Folding auxiliary arm for crane Granted publication date: 20120523 License type: Exclusive License Record date: 20130703 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20170927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |