CN106629421A - Swing arm tower crane provided with integrated hoisting arm - Google Patents

Swing arm tower crane provided with integrated hoisting arm Download PDF

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Publication number
CN106629421A
CN106629421A CN201611178721.7A CN201611178721A CN106629421A CN 106629421 A CN106629421 A CN 106629421A CN 201611178721 A CN201611178721 A CN 201611178721A CN 106629421 A CN106629421 A CN 106629421A
Authority
CN
China
Prior art keywords
arm
tower
tower crane
lifting
segment
Prior art date
Application number
CN201611178721.7A
Other languages
Chinese (zh)
Inventor
谢国贤
Original Assignee
谢国贤
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 谢国贤 filed Critical 谢国贤
Priority to CN201611178721.7A priority Critical patent/CN106629421A/en
Publication of CN106629421A publication Critical patent/CN106629421A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/06Cranes 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 with jibs mounted for jibbing or luffing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/16Cranes 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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00Cranes
    • B66C2700/03Cranes with arms or jibs; Multiple cranes
    • B66C2700/0307Cranes in which it is essential that the load is moving horizontally during the luffing movement of the arm or jib
    • B66C2700/0314Cranes in which it is essential that the load is moving horizontally during the luffing movement of the arm or jib in combination with the movement of the counterweight

Abstract

The invention discloses a swing arm tower crane provided with an integrated hoisting arm. The swing arm tower crane comprises a tower body and the hoisting arm. The tower body comprises a transition section located at the top end of the tower body. The hoisting arm is of an integrated structure and is hinged to the transition section. The hinge fulcrum between the hoisting arm and the transition section divides the hoisting arm into a hoisting section and a balancing section, wherein the hoisting section is slidably connected with a hoisting trolley, and the balancing section is provided with a balance weight. An amplitude-change unit used for adjusting the included angle between the tower body and the hoisting arm is further connected between the transition section and the hoisting arm.

Description

A kind of swing arm tower crane with integral type arm

Technical field

The present invention relates to tower crane technical field, more particularly to a kind of swing arm tower crane with integral type arm.

Background technology

The structural representation of existing tower crane arm is shown referring to Fig. 1 and Fig. 2, by counter-jib and movable crane arm structure Into, connected by A framves assembly wherein between counter-jib and wire rope pulley group and crane arm luffing, and be provided with counter-jib For winding the hoist engine of steel wire rope, change angle between crane arm and tower body by winding steel wire rope, so as to change crane arm On lift heavy suspension hook mobile range in the horizontal direction, the process is the amplitude changing process of tower crane.And so existing arm is tied Structure is suffered from the drawback that:First, in tower crane amplitude changing process, the arm of force of crane arm can be with angle change between crane arm and tower body Change and change, and the arm of force of counter-jib then can be constant all the time, this will easily cause the force unbalance of crane arm and counter-jib, So as to there is the potential safety hazard that crane arm fractures or tower crane is toppled over;Second, and because counter-jib and crane arm are in amplitude changing process Middle arm of force change is asynchronous, therefore its safe luffing scope is less, is that operation is made troubles;3rd, crane arm and counter-jib Between mainly by steel wire rope connection, and steel rope abrasion can be increased when steel wire rope is wound in amplitude changing process, it is therefore desirable to calmly Phase checks more change steel rope, and maintenance cost is high;4th, and due to connecting mainly by steel wire rope between crane arm and counter-jib, when When crane arm occurs bending deformation because load-carrying is excessive, wire cable rupture is easily caused, so that crane arm and counter-jib stress Imbalance, causes second accident.

The content of the invention

It is safe and reliable with one it is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of structure is novel The swing arm tower crane of body formula arm.

In order to realize object above, the technical solution adopted in the present invention is:

A kind of swing arm tower crane with integral type arm, including tower body and arm, the tower body includes being located at the transition on its top Section, the arm is integral type structure and to be hinged with the transition segment, with the hinged support between the arm and transition segment to divide Arm is divided into lifting section and balancing segment by boundary, wherein slidably connecting lift heavy dolly in the lifting section, the balancing segment sets There is balancing weight;The luffing unit for adjusting tower body and arm angle is also associated between the transition segment and arm.

Further, the luffing unit is the oil cylinder that two ends are hinged respectively with transition segment and arm, wherein the luffing unit Pin joint between arm is located at the lifting section of arm.

Further, described tower body includes transition segment, rotating stand, jacking section and the basis for setting gradually from top to bottom Section, also including changing the outer sleeve frame being enclosed within base section.

Further, when the lift heavy dolly is unloaded, the balancing segment torque of the arm is more than lifting section.

The invention has the beneficial effects as follows:The tack tower crane of the present invention adopts the arm of integral structure, by luffing unit Change the angle between arm and tower body so as to change the horizontal range between arm lifting section end and tower body(That is the water of arm Open width degree), compared with traditional tower crane structure, the arm stability of integral structure is higher, and is adjusting the level of arm During amplitude, its balancing segment changes with the torque arm length equal proportion of lifting section, is more beneficial for keeping arm stress balance, prevents side Stress is excessive to cause arm the security incident toppled over or deform occur.

Description of the drawings

Fig. 1 is the structural representation of existing tower crane arm.

Fig. 2 is structural representation of the existing tower crane arm after luffing.

Fig. 3 is the structural representation of the present invention.

Fig. 4 is structural representation of the present invention after luffing.

Wherein, 1- arms, 11- lifting sections, 111- lift heavy dollies, 12- balancing segments, 121- balancing weights, 2- tower bodies, 21- mistakes Cross section, 22- rotating stands, 23- jacking sections, 24- base sections, 25- outer sleeve frames, 3- luffing units.

Specific embodiment

Claimed technical solution of the invention is described in further detail in conjunction with the drawings and specific embodiments.

Referring to shown in accompanying drawing 3 and accompanying drawing 4, the tack tower crane in the present embodiment, including tower body 2 and arm 1.Wherein tower body 2 Including the transition segment 21, rotating stand 22, jacking section 23 and the base section 24 that set gradually from top to bottom, also basis is enclosed within including changing Outer sleeve frame 25 on section 24.

Arm 1 is integral type structure and is hinged with the transition segment 21, propped up with being hinged between the arm 1 and transition segment 21 Arm 1 is divided into lifting section 11 and balancing segment 12 by point for boundary, makes arm 1 constitute the lever using the hinged support as fulcrum Structure, wherein slidably connecting lift heavy dolly 11 in the lifting section 11, the balancing segment 12 is provided with balancing weight 121;The mistake Cross the luffing unit 3 being also associated between section 21 and arm 1 for adjusting tower body 2 and the angle of arm 1.In the present embodiment, become Width unit 3 is the oil cylinder that two ends are hinged respectively with transition segment 21 and arm 1, wherein being hinged between the luffing unit 3 and arm 1 Point makes arm 1 swing along hinged support, so as to adjust using oil cylinder positioned at the lifting section 11 of arm 1 in the side of lifting section 11 force Angle between section arm 1 and tower body 2, finally realizes luffing.

Again referring to shown in accompanying drawing 4, in amplitude changing process, because arm 1 is integral type structure, the He of lifting section 11 of arm 1 The arm of force meeting equal proportion change of balancing segment 12, is conducive to keeping lifting section 11 and the stress balance of balancing segment 12 in amplitude changing process, The safety of arm 1 is improved, is that hoisting operation offers convenience while increasing its safe luffing scope.In the present embodiment, In order to reduce burden of the luffing unit 3 in operation, when lift heavy dolly 11 is unloaded, the torque of balancing segment 12 of arm 1 is more than Weight section 11, for compensating the load of lifting section 11 during operation.Compared with traditional tower crane structure, the arm 1 of integral structure is steady It is qualitative higher, and when the horizontal amplitude of arm 1 is adjusted, its balancing segment 12 becomes with the torque arm length equal proportion of lifting section 11 Change, be more beneficial for keeping the stress balance of arm 1, prevent that side stress is excessive to cause arm 1 safety toppled over or deform occur Accident.

The embodiment of the above is only presently preferred embodiments of the present invention, and any pro forma limit is not done to the present invention System.Any those of ordinary skill in the art, under without departing from technical solution of the present invention ambit, using the skill of the disclosure above Art content makes more possible variations and retouching to technical solution of the present invention, or modification is accordingly to be regarded as the equivalence enforcement of equivalent variations Example.Therefore all contents without departing from technical solution of the present invention, according to the equivalent equivalence changes that the thinking of the present invention is made, all should cover In protection scope of the present invention.

Claims (4)

1. a kind of swing arm tower crane with integral type arm, including tower body(2)And arm(1), the tower body(2)Including positioned at it The transition segment on top(21), it is characterised in that:The arm(1)For integral type structure and with the transition segment(21)It is hinged, with The arm(1)With transition segment(21)Between hinged support be boundary by arm(1)It is divided into lifting section(11)And balancing segment (12), wherein the lifting section(11)On slidably connect lift heavy dolly(11), the balancing segment(12)It is provided with balancing weight (121);The transition segment(21)With arm(1)Between be also associated with for adjusting tower body(2)And arm(1)The luffing list of angle Unit(3).
2. a kind of swing arm tower crane with integral type arm according to claim 1, it is characterised in that:The luffing unit (3)For two ends respectively with transition segment(21)And arm(1)The oil cylinder being hinged, wherein the luffing unit(3)With arm(1)Between Pin joint is located at arm(1)Lifting section(11).
3. a kind of swing arm tower crane with integral type arm according to claim 1, it is characterised in that:Described tower body (2)Including the transition segment for setting gradually from top to bottom(21), rotating stand(22), jacking section(23)And base section(24), also wrap Include to change and be enclosed within base section(24)On outer sleeve frame(25).
4. a kind of swing arm tower crane with integral type arm according to claim 1, it is characterised in that:When the lift heavy it is little Car(11)When unloaded, the arm(1)Balancing segment(12)Torque is more than lifting section(11).
CN201611178721.7A 2016-12-19 2016-12-19 Swing arm tower crane provided with integrated hoisting arm CN106629421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611178721.7A CN106629421A (en) 2016-12-19 2016-12-19 Swing arm tower crane provided with integrated hoisting arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611178721.7A CN106629421A (en) 2016-12-19 2016-12-19 Swing arm tower crane provided with integrated hoisting arm

Publications (1)

Publication Number Publication Date
CN106629421A true CN106629421A (en) 2017-05-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108670755A (en) * 2017-09-30 2018-10-19 漳州蒙发利创新科技有限公司 A kind of kneading taps massager core and massager

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3180204B2 (en) * 1993-10-20 2001-06-25 大成建設株式会社 Horizontal jib tower crane
WO2012056435A1 (en) * 2010-10-27 2012-05-03 Gokkule Makina Muhendislik Taahhut Arge Sanayi Ve Ticaret Limited Sirketi Telescopic tower crane and scaffold
CN202322088U (en) * 2011-11-03 2012-07-11 中联重科股份有限公司 Tower crane and balancing arm
CN102745607A (en) * 2012-07-26 2012-10-24 中联重科股份有限公司 Balance arm and tower crane
CN203079594U (en) * 2012-11-19 2013-07-24 徐州重型机械有限公司 Balance arm of tower crane and tower crane
CN203486802U (en) * 2013-06-27 2014-03-19 中联重科股份有限公司 Balance arm and tower crane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3180204B2 (en) * 1993-10-20 2001-06-25 大成建設株式会社 Horizontal jib tower crane
WO2012056435A1 (en) * 2010-10-27 2012-05-03 Gokkule Makina Muhendislik Taahhut Arge Sanayi Ve Ticaret Limited Sirketi Telescopic tower crane and scaffold
CN202322088U (en) * 2011-11-03 2012-07-11 中联重科股份有限公司 Tower crane and balancing arm
CN102745607A (en) * 2012-07-26 2012-10-24 中联重科股份有限公司 Balance arm and tower crane
CN203079594U (en) * 2012-11-19 2013-07-24 徐州重型机械有限公司 Balance arm of tower crane and tower crane
CN203486802U (en) * 2013-06-27 2014-03-19 中联重科股份有限公司 Balance arm and tower crane

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
王新聪: ""油缸变幅动臂塔式起重机方案设计与分析"", 《中国优秀硕士学位论文全文数据库工程科技II辑》 *
郑惠忠: "《新编建筑施工机械》", 31 July 2015, 同济大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108670755A (en) * 2017-09-30 2018-10-19 漳州蒙发利创新科技有限公司 A kind of kneading taps massager core and massager

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Application publication date: 20170510