CN102616680A - Tower crane connecting plate and tower crane with same - Google Patents

Tower crane connecting plate and tower crane with same Download PDF

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Publication number
CN102616680A
CN102616680A CN2012100974156A CN201210097415A CN102616680A CN 102616680 A CN102616680 A CN 102616680A CN 2012100974156 A CN2012100974156 A CN 2012100974156A CN 201210097415 A CN201210097415 A CN 201210097415A CN 102616680 A CN102616680 A CN 102616680A
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CN
China
Prior art keywords
tower crane
connecting bore
connecting panel
bore
crane
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.)
Pending
Application number
CN2012100974156A
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Chinese (zh)
Inventor
钱建军
李建华
刘毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN2012100974156A priority Critical patent/CN102616680A/en
Publication of CN102616680A publication Critical patent/CN102616680A/en
Priority to PCT/CN2013/070827 priority patent/WO2013149510A1/en
Pending legal-status Critical Current

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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
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention provides a tower crane connecting plate and a tower crane with the same. The tower crane connecting plate comprises a first connecting hole (51), the tower crane connecting plate further comprises another n connecting holes, wherein n is a natural number larger than 1, and the distance between the center of the nth connecting hole and the center of the first connecting hole (51) is dn-1The position relation among the connecting holes meets the following conditions: d1＞d2＞d3......＞dn-1. According to the tower crane connecting plate and the tower crane with the same, the tower crane is provided with more than three connecting holes, and the distances between the connecting holes outside the first connecting hole and the first connecting hole are different, so that the upwarp amount of a crane boom can be conveniently adjusted by adjusting and using different mounting holes, and the tower crane can stably run.

Description

Tower crane connecting panel and have its tower crane
Technical field
The present invention relates to the elevator machinery field, more specifically, relate to a kind of tower crane connecting panel and have its tower crane.
Background technology
As shown in Figure 1, a kind of tower crane connecting panel 10 ' of the prior art has two the connecting bore that connects bearing pin is installed.After connecting panel 10 ' was installed, the state of the crane arm 20 ' under the normal circumstances was as shown in Figure 2, and crane arm with respect to the horizontal plane D is certain state that upwarps.After using certain hour, because tower crane uses through long-time, plastic deformation takes place in the crane arm top boom under stressed effect, cause the amount of upwarping of crane arm to reduce, and normally hanging of tower crane is loaded with certain influence.It is as shown in Figure 3 that the amount of upwarping of crane arm reduces situation, and the lower plane of crane arm and horizontal surface D are very approaching.
A kind of adjustable tower crane connecting panel has also appearred in the amount of upwarping for the crane arm of regulating tower crane in the prior art.The method of adjustment of this adjustable connecting panel is that a connecting bore with the tower crane connecting panel is processed into waist shaped hole, and carries out the adjustment of the amount of upwarping of crane arm through the mode that in waist shaped hole, adds the semicircle pad.
The shortcoming that prior art exists is following: general tower crane connecting panel length is non-adjustable, can't adjust the crane arm amount of upwarping.And adjustable connecting panel, difficulty of processing is big and use is unstable.
Summary of the invention
The object of the invention is to provide a kind of tower crane connecting panel of the amount of upwarping that can regulate crane arm and has its tower crane.
The invention provides a kind of tower crane connecting panel, comprise first connecting bore, the tower crane connecting panel also comprises an other n connecting bore, and wherein n is the natural number greater than 1, and the distance at the center of the center of n connecting bore and first connecting bore is d N-1, the position relation between each connecting bore satisfies following condition: d 1＞d 2＞d 3＞d N-1
Further, n connecting bore is the center with first connecting bore, presses apart from d N-1Order from big to small is along circumferentially setting gradually.
Further, in the line at the center of the center of n connecting bore and first connecting bore, the angle between per two adjacent lines all equates.
Further, the tower crane connecting panel comprises the profile that adapts to n connecting bore.
Further, the tower crane connecting panel comprises that the center with first connecting bore is the curved profile that the curvature at center increases successively.
Further, wherein n is any natural number in 2,3,4,5,6.
The present invention also provides a kind of tower crane, slewing tower, crane arm and be connected slewing tower and the tower crane connecting panel of crane arm, and the tower crane connecting panel is aforesaid tower crane connecting panel.According to tower crane connecting panel of the present invention and have its tower crane; Owing to have the connecting bore more than three; And each connecting bore outside first connecting bore is different with the distance between first connecting bore; Thereby, can be through the amount of upwarping that regulate to use different mounting holes to come to regulate easily crane arm, thus make tower crane stable.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the tower crane connecting panel of prior art;
Fig. 2 is the structural representation of the crane arm of the tower crane of prior art when having the suitable amount of upwarping;
Fig. 3 is the structural representation of the crane arm amount of upwarping of the tower crane of prior art when reducing;
Fig. 4 is the structural representation according to the tower crane connecting panel of first embodiment of the invention;
Fig. 5 is the structural representation of tower crane according to the present invention when the crane arm amount of upwarping is adjusted; And
Fig. 6 is the structural representation according to the tower crane connecting panel of second embodiment of the invention.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment to specify the present invention.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Tower crane connecting panel of the present invention is used for but is not limited to connect the slewing tower and the crane arm of tower crane, and is particularly suitable for connecting the crane arm of tack tower crane and the tower crane connecting panel of slewing tower.This tower crane connecting panel comprises first connecting bore, also comprises an other n connecting bore, and wherein n is the natural number greater than 1, and the distance at the center of the center of n connecting bore and first connecting bore is d N-1, the position relation between each connecting bore satisfies following condition: d 1＞d 2＞d 3＞d N-1
Tower crane connecting panel of the present invention is adjustable.Adopt this tower crane connecting panel to slewing tower is connected with crane arm; After tower crane is suitable for a period of time and when causing the amount of upwarping of crane arm to reduce; Can select different connecting bores according to actual conditions; Thereby reach the effect of the length of adjusting yoke, and then regulate the amount of upwarping of crane arm, make tower crane stable.
As long as it is different to the distance of first connecting bore to satisfy n connecting bore, no matter how n connecting bore is arranged with respect to first connecting bore, all can realize regulating the purpose of the amount of upwarping of crane arm.But preferred, can make n connecting bore is the center with first connecting bore, presses apart from d N-1Order from big to small is along circumferentially setting gradually.In addition preferably, in the line at the center of the center of n connecting bore and first connecting bore, the angle between per two adjacent lines all equates.Being provided with like this can be accelerated the selection speed of suitable connecting bore when regulating the amount of upwarping of crane arm, the intensity that also makes the tower crane connecting panel not the reason hole increase and change.
In a further preferred embodiment, the tower crane connecting panel comprises that the center with first connecting bore is the curved profile that adapts to n connecting bore that the curvature at center increases successively.This can be avoided taking place between connecting panel and other parts unnecessary interference.
The present invention also provides a kind of tower crane, and this tower crane has slewing tower 30, crane arm 20 and is connected slewing tower 30 and the aforesaid tower crane connecting panel 50 of crane arm 20.
First embodiment
As shown in Figure 4, first connecting bore 51, second connecting bore 52, the 3rd connecting bore 53 and the 4th connecting bore 54 totally four connecting bores that are used to install bearing pin are arranged on the tower crane connecting panel 50.Wherein second connecting bore 52, the 3rd connecting bore 53 and the 4th connecting bore 54 are positioned at the homonymy of first connecting bore 51, and second connecting bore 52, the 3rd connecting bore 53 and the 4th connecting bore 54 set gradually, and the distance between they and first connecting bore 51 is respectively d 1, d 2And d 3, and d wherein 1＞d 2＞d 3Angle between the line of centres of the line of centres of second connecting bore 52 and first connecting bore 51 and the 3rd connecting bore 53 and first connecting bore 51 equals the angle β between the line of centres of the line of centres and the 3rd connecting bore 53 and first connecting bore 51 of the 4th connecting bore 54 and first connecting bore 51, and for example two angles can be 15 °.Tower crane connecting panel 50 formed in the outside of second to the 4th each connection hole with corresponding connecting bore adapt profile.
The principle of work of this tower crane connecting panel 50 is following:
As shown in Figure 5, the upwarp amount of tower crane connecting panel 50 through regulate using different connecting bores to regulate crane arm makes the tower crane smooth operation.
This tower crane connecting panel 50 has 3 kinds of installation and combination modes, and promptly first connecting bore 51 and second connecting bore 52 are used, main the 3rd connecting bores 53 of first connecting bore 51 are used and first connecting bore 51 and the 4th connecting bore 54 are used.Use first connecting bore 51 and second connecting bore 52 when beginning to install; After the tower machine uses certain hour; When the amount of upwarping of crane arm 20 reduces, can adopt first connecting bore, 51 main the 3rd connecting bores 53 to be used according to the size of the amount of upwarping of required adjustment or mode that first connecting bore 51 and the 4th connecting bore 54 are used is adjusted.
Second embodiment
As shown in Figure 6, tower crane connecting panel 60 also has the other connecting bore more than four except that having first connecting bore 61.Though do not show concrete quantity in the drawings, those skilled in the art can learn, the connecting bore except that first connecting bore 61 can also have 2,4,5,6 or the like.
From above description, can find out; The above embodiments of the present invention have realized following technique effect: according to tower crane connecting panel of the present invention and have its tower crane; Owing to have the connecting bore more than three, and outer each connecting bore of first connecting bore is different with distance between first connecting bore, thereby; Can be through the amount of upwarping that regulate to use different mounting holes to come to regulate easily crane arm, thus make tower crane stable.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. tower crane connecting panel; Comprise first connecting bore (51), it is characterized in that said tower crane connecting panel also comprises an other n connecting bore; Wherein n is the natural number greater than 1, and the distance at the center of the center of n connecting bore and said first connecting bore (51) is d N-1, the position relation between each connecting bore satisfies following condition: d 1＞d 2＞d 3...＞d N-1
2. tower crane connecting panel according to claim 1 is characterized in that, a said n connecting bore is the center with said first connecting bore (51), by said apart from d N-1Order from big to small is along circumferentially setting gradually.
3. tower crane connecting panel according to claim 1 and 2 is characterized in that, in the line at the center of the center of a said n connecting bore and said first connecting bore (51), the angle between per two adjacent lines all equates.
4. tower crane connecting panel according to claim 3 is characterized in that, said tower crane connecting panel comprises the profile that adapts to said n connecting bore.
5. tower crane connecting panel according to claim 4 is characterized in that, said tower crane connecting panel comprises that the center with said first connecting bore (51) is the curved profile that the curvature at center increases successively.
6. tower crane connecting panel according to claim 1 and 2 is characterized in that, wherein n is any natural number in 2,3,4,5,6.
7. tower crane; Slewing tower (30), crane arm (20) and be connected said slewing tower (30) and the tower crane connecting panel (50) of said crane arm (20); It is characterized in that said tower crane connecting panel (50) is according to each described tower crane connecting panel in the claim 1 to 6.
CN2012100974156A 2012-04-05 2012-04-05 Tower crane connecting plate and tower crane with same Pending CN102616680A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2012100974156A CN102616680A (en) 2012-04-05 2012-04-05 Tower crane connecting plate and tower crane with same
PCT/CN2013/070827 WO2013149510A1 (en) 2012-04-05 2013-01-22 Tower crane connecting plate and tower crane equipped therewith

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012100974156A CN102616680A (en) 2012-04-05 2012-04-05 Tower crane connecting plate and tower crane with same

Publications (1)

Publication Number Publication Date
CN102616680A true CN102616680A (en) 2012-08-01

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CN (1) CN102616680A (en)
WO (1) WO2013149510A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013149510A1 (en) * 2012-04-05 2013-10-10 中联重科股份有限公司 Tower crane connecting plate and tower crane equipped therewith
CN106743970A (en) * 2017-02-12 2017-05-31 张冬 Eccentric block

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1103378A (en) * 1993-06-22 1995-06-07 波泰股份有限公司 Apparatus and method for assembly of arm of crane
JPH07206380A (en) * 1994-01-19 1995-08-08 Hitachi Constr Mach Co Ltd Jib swing stop device for tower crane
US6422408B1 (en) * 1999-01-27 2002-07-23 Potain Method and device for mounting the masthead of tower cranes
CN201545639U (en) * 2009-11-26 2010-08-11 自贡天成工程机械有限公司 Tower crane jib pull rod with fine adjusting function
CN101880009A (en) * 2010-07-21 2010-11-10 哈尔滨华拓金属结构有限公司 Flat-head tower crane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853891B1 (en) * 2003-04-17 2006-05-19 Potain Sa DEVICE FOR THE DISASSEMBLY OF THE ELEMENTS OF A TOWER CRANE
CN201545638U (en) * 2009-11-26 2010-08-11 自贡天成工程机械有限公司 Segment rod for pull rod of tower crane
CN102616680A (en) * 2012-04-05 2012-08-01 中联重科股份有限公司 Tower crane connecting plate and tower crane with same
CN202625668U (en) * 2012-06-13 2012-12-26 山东永力起重机械股份有限公司 Adjustment device for crane boom pull rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1103378A (en) * 1993-06-22 1995-06-07 波泰股份有限公司 Apparatus and method for assembly of arm of crane
JPH07206380A (en) * 1994-01-19 1995-08-08 Hitachi Constr Mach Co Ltd Jib swing stop device for tower crane
US6422408B1 (en) * 1999-01-27 2002-07-23 Potain Method and device for mounting the masthead of tower cranes
CN201545639U (en) * 2009-11-26 2010-08-11 自贡天成工程机械有限公司 Tower crane jib pull rod with fine adjusting function
CN101880009A (en) * 2010-07-21 2010-11-10 哈尔滨华拓金属结构有限公司 Flat-head tower crane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013149510A1 (en) * 2012-04-05 2013-10-10 中联重科股份有限公司 Tower crane connecting plate and tower crane equipped therewith
CN106743970A (en) * 2017-02-12 2017-05-31 张冬 Eccentric block

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Application publication date: 20120801