CN102219157B - Loading trolley-based converting rope winding system with variable multiplying power - Google Patents

Loading trolley-based converting rope winding system with variable multiplying power Download PDF

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Publication number
CN102219157B
CN102219157B CN 201110148585 CN201110148585A CN102219157B CN 102219157 B CN102219157 B CN 102219157B CN 201110148585 CN201110148585 CN 201110148585 CN 201110148585 A CN201110148585 A CN 201110148585A CN 102219157 B CN102219157 B CN 102219157B
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pulley
fixed pulley
dolly
assembly
fixed
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CN102219157A (en
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蒋孝德
单石福
李桂芳
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Abstract

The invention discloses a loading trolley-based converting rope winding system with variable multiplying power, which comprises more than two trolleys, hook body assemblies and more than two hoisting steel wire ropes which correspond to the trolleys in quantity, wherein more than one set of pulley assembly is arranged at the lower part of each trolley, each pulley assembly is a pulley block that comprises n movable pulleys and can realizes 2n multiplying power, and the hoisting steel wire ropes can be wound on each pulley block. The loading trolley-based converting rope winding system with the variable multiplying power has the advantages of small minimum working amplitude of a hoisting hook, wide adjustable multiplying power range, wide application range and the like during work.

Description

Variable power conversion wiring system based on loading trolley
Technical field
The present invention is mainly concerned with the weight-lifting equipment field, refers in particular to a kind of wiring system that carries out the conversion of 4 to 12 even numbers variable powers.
Background technology
Existing loading trolley 2,4, the conversion of 6 multiplying powers are generally three vehicle structures, and there is the large problem of the minimum work range of suspension hook in 2,4,6 multiplying powers of three dolly payload structure when working, and weight can not get the lifting of maximum height; Simultaneously, the airborne heavy dolly of tower is connected with suspension hook by hoist rope and also only can realizes 2,4 multiplying powers conversions and the conversion of 2,4,6 multiplying powers; Loading trolley makes up maximum 6 multiplying powers conversions by hoist rope and suspension hook, not yet solves tower machine large-tonnage and hoists.
Summary of the invention
The technical problem to be solved in the present invention just is: for the technical matters that prior art exists, little, the adjustable multiplying power scope of the minimum work range of the suspension hook variable power conversion wiring system based on loading trolley wide, applied widely when the invention provides a kind of work.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of variable power conversion wiring system based on loading trolley, it is characterized in that: comprise plural dolly, coupler body assembly and the hoist rope two piece or more corresponding with dolly quantity, described each dolly below all is equipped with one and is embedded with the top sheave assembly, described pulley assembly is the assembly pulley by n the realized 2n that movable pulley forms multiplying power, and institute's hoist rope is set around on each assembly pulley.
As a further improvement on the present invention:
Described dolly is two, comprises main carriage and secondary dolly; Described steel rope is two also, comprises the first hoist rope, the second hoist rope; Described secondary dolly below is equipped with the first pulley assembly, described main carriage below is equipped with the second pulley assembly, described secondary dolly is the side that shape side by side is arranged in main carriage, be connected with the detouchable tie-beam between described main carriage and the secondary dolly, described the first pulley assembly comprises the first top sheave group and the first downslide wheels, and described the second pulley assembly comprises the second top sheave group and the second downslide wheels.
Comprise the first pulley in described the first top sheave group, described the first downslide wheels comprise the second pulley and the 3rd pulley that is arranged side by side; Comprise the 4th pulley in described the second top sheave group, described the second downslide wheels comprise the 5th pulley and the 6th pulley that is arranged side by side.
Direction along secondary dolly to main carriage on the described secondary dolly is furnished with the first fixed pulley, the 3rd fixed pulley, the 4th fixed pulley and the 5th fixed pulley successively, also is provided with second fixed pulley coaxial with the first fixed pulley, six fixed pulley coaxial with the 5th fixed pulley on the described secondary dolly; Direction along secondary dolly to main carriage on the described main carriage is furnished with the 7th fixed pulley, the 9th fixed pulley, the tenth fixed pulley and the 11 fixed pulley successively, also be provided with on the described main carriage eight fixed pulley coaxial with the 7th fixed pulley, with the 12 fixed pulley of the tenth certain pulley coaxle.
The baudrier of described the first hoist rope is: the first hoist rope → the 11 fixed pulley → the 5th pulley → the 7th fixed pulley → the tenth fixed pulley → the 4th pulley → the 9th fixed pulley → the 12 fixed pulley → the 6th pulley → the 8th fixed pulley → anti-twisting equipment; The baudrier of described the second hoist rope is: the second hoist rope → the 6th fixed pulley → the 3rd pulley → the second fixed pulley → the 4th fixed pulley → the first pulley → the 3rd fixed pulley → the 5th fixed pulley → the second pulley → first fixed pulley → anti-twisting equipment.
The below of described the first downslide wheels is provided with the connecting panel that is used for fixing the coupler body assembly.
Be connected with the detouchable crossbeam between the connecting panel of described two pulley assemblies.
The top of described main carriage and secondary dolly is supported on the turning rolls by shoulder pole girder.
The initiating terminal of described the first hoist rope and the second hoist rope is connected with respectively a hoisting drum.
Compared with prior art, the invention has the advantages that:
1. the present invention is based on the variable power conversion wiring system of loading trolley, the assembly pulley that cooperates dual-magnification technique by a plurality of dollies, thereby can realize that multiplying power in a big way is adjustable, enlarged the range of use of tower machine, not only can realize the dual-magnification technique conversions such as present 2,4,6, can realize that also large-tonnage hoists, the large problem of the minimum work range of suspension hook also and then can solve the dual-magnification techniques such as 2,4,6 work the time.That is, the minimum work range of suspension hook is little during the dual-magnification techniques such as 2,4,6 work, and by the conversion of 2n multiplying power, the tower machine can promote large-tonnage weight.
2. device integral body of the present invention also has the advantages such as simple and compact for structure, with low cost, easy and simple to handle, that the minimum work range of when work suspension hook is little.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the present invention in application example;
Fig. 2 is the plan structure schematic diagram of the present invention in application example;
Fig. 3 is the structural representation of the first pulley assembly and the second pulley assembly among the present invention;
Fig. 4 be among Fig. 3 the A-A place analyse and observe the structure for amplifying schematic diagram;
Fig. 5 be among Fig. 3 the B-B place analyse and observe the structure for amplifying schematic diagram;
Fig. 6 be among Fig. 3 the C-C place analyse and observe the structure for amplifying schematic diagram;
Fig. 7 be among Fig. 3 the D-D place analyse and observe the structure for amplifying schematic diagram;
Fig. 8 is the wiring principle schematic of the present invention when being applied to 12 multiplying power;
Fig. 9 is the structural representation of the present invention when being applied to 12 multiplying power;
Figure 10 is the wiring principle schematic of the present invention when being applied to 8 multiplying power;
Figure 11 is the structural representation of the present invention when being applied to 8 multiplying power;
Figure 12 is the wiring principle schematic of the present invention when being applied to 6 multiplying power;
Figure 13 is the structural representation of the present invention when being applied to 6 multiplying power;
Figure 14 is the wiring principle schematic of the present invention when being applied to 4 multiplying power;
Figure 15 is the structural representation of the present invention when being applied to 4 multiplying power.
The specific embodiment
Below with reference to Figure of description and specific embodiment the present invention is described in further details.
Variable power conversion wiring system based on loading trolley of the present invention, comprise that plural dolly, coupler body assembly 31 and hoist rope two piece or more each dolly below corresponding with dolly quantity are equipped with one and are embedded with the top sheave assembly, pulley assembly is the assembly pulley by n the realized 2n that movable pulley forms multiplying power, hoist rope is set around on each assembly pulley, and hoist rope of winding on each dolly.The assembly pulley that cooperates dual-magnification technique by a plurality of dollies, thereby can realize that multiplying power in a big way is adjustable, enlarge the range of use of tower machine, can realize that not only large-tonnage hoists, also can realize the dual-magnification technique conversions such as present 2,4,6, the large problem of the minimum work range of suspension hook in the time of also can solving the dual-magnification technique work such as 2,4,6, i.e. the minimum work range of suspension hook is little during the dual-magnification technique work such as 2,4,6, by the conversion of 2n multiplying power, the tower machine can promote large-tonnage weight.
Specifically take two dollies as example, the present invention will be further described for the present embodiment.Such as Fig. 1~shown in Figure 8, the quantity of dolly is two, namely comprises main carriage 9 and secondary dolly 7, and also further comprises anti-twisting equipment 44, and this anti-twisting equipment 44 is conventional components, just repeats no more at this.The below of secondary dolly 7 is equipped with the first pulley assembly, and the below of main carriage 9 is equipped with the second pulley assembly.The top of main carriage 9 and secondary dolly 7 is supported on the turning rolls 5 by shoulder pole girder 4.Main carriage 9 and secondary dolly 7 are provided with Anti-breaking rope device 3, side wheel 11 and roller 25.One end of secondary dolly 7 can be fixed on the root of crane arm master string 10.Coupler body assembly 31 is used for hoisting heavy.The initiating terminal of the first hoist rope 1 and the second hoist rope 2 is connected with respectively a hoisting drum 41, and is provided with a plurality of leading sheaves at its route.Secondary dolly 7 is the left side that shape side by side is arranged in main carriage 9, is connected with detouchable tie-beam 8 between main carriage 9 and the secondary dolly 7.The first pulley assembly that is positioned at secondary dolly 7 belows comprises the first top sheave group 27 and the first downslide wheels 28, and the second pulley assembly that is positioned at main carriage 9 belows comprises the second top sheave group 38 and the second downslide wheels 39.Wherein, comprise in the first top sheave group 27 that the first pulley 32, the first downslide wheels 28 comprise the second pulley 33 and the 3rd pulley 34 that is arranged side by side; Comprise in the second top sheave group 38 that the 4th pulley 35, the second downslide wheels 39 comprise the 5th pulley 36 and the 6th pulley 37 that is arranged side by side.Direction along secondary dolly 7 to main carriage 9 on the secondary dolly 7 is furnished with the first fixed pulley 13, the 3rd fixed pulley 15, the 4th fixed pulley 16 and the 5th fixed pulley 17 successively, also is provided with second fixed pulley 14 coaxial with the first fixed pulley 13, six fixed pulley 18 coaxial with the 5th fixed pulley 17 on the secondary dolly 7; Direction along secondary dolly 7 to main carriage 9 on the main carriage 9 is furnished with the 7th fixed pulley 19, the 9th fixed pulley 21, the tenth fixed pulley 22 and the 11 fixed pulley 23 successively, also is provided with eight fixed pulley 20 coaxial with the 7th fixed pulley 19, ten two fixed pulley 24 coaxial with the 11 fixed pulley 23 on the main carriage 9.
The present invention in use, the baudrier of the first hoist rope 1 is: the first hoist rope 1 → the 11 fixed pulley 23 → the 5th pulley 36 → the 7th fixed pulley 19 → the tenth fixed pulley 22 → the 4th pulley 35 → the 9th fixed pulley 21 → the 12 fixed pulley 24 → the 6th pulley 37 → the 8th fixed pulley 20 → anti-twisting equipment 44; The baudrier of the second hoist rope 2 is: the second hoist rope 2 → the 6th fixed pulley 18 → the 3rd pulley 34 → the second fixed pulleys 14 → the 4th fixed pulley 16 → the first pulleys 32 → the 3rd fixed pulley 15 → the 5th fixed pulley 17 → the second pulleys 33 → the first fixed pulleys 13 → anti-twisting equipment 44.
According to actual needs, in the present embodiment, the lower of the first downslide wheels 28 can further be provided with the connecting panel 29 that is used for fixing coupler body assembly 31, and is connected with detouchable crossbeam 30 between the connecting panel 29 of two pulley assemblies.
The variation principle of structure of the present invention is :
1, referring to Fig. 8 and Fig. 9, main carriage 9, secondary dolly 7 couple together by two tie-beams 8 and move simultaneously, realize 12 multiplying power wiring systems.
2, referring to Figure 10 and Figure 11, main carriage 9, secondary dolly 7 couple together by two tie-beams 8 and move simultaneously; Simultaneously the first top sheave group 27 of suspension hook throw off with the first downslide wheels 28 and be fixed on the secondary dolly 7, the second top sheave group 38 and 39 disengagements of the second downslide wheels and be fixed on the main carriage 9, realize 8 multiplying power wiring systems.
3, referring to Figure 12 and Figure 13, two tie-beams 8 of main carriage 9, secondary dolly 7 are removed, and secondary dolly 7 is fixed on the root of crane arm master string 10, and main carriage 9 isolated operations realize 6 multiplying power wiring systems.
4, referring to Figure 14 and Figure 15, two tie-beams 8 of main carriage 9, secondary dolly 7 are removed, and secondary dolly 7 is fixed on the root of crane arm master string 10, main carriage 9 isolated operations; The second top sheave group 38 of suspension hook and the second downslide wheels 39 are thrown off and are fixed on the main carriage 9 simultaneously, realize 4 multiplying power wiring systems.
By loading trolley 4,6,8,12 Multiplication Conversion Systems, the airborne heavy dolly of tower not only can be realized present 2,4,6 multiplying powers conversion, the large problem of the minimum work range of suspension hook in the time of can also solving present 2,4,6 multiplying powers work, i.e. the minimum work range of suspension hook is little during 2,4,6 multiplying powers work.By 12 multiplying power wiring systems, the tower machine can promote large-tonnage weight.By above-mentioned baudrier, do not need again wiring, only need to change the wiring that to realize different multiplying by the position of dismounting tie-beam 8 or assembly pulley, use very convenient, especially for the very complicated tower machine of wiring work, greatly improved especially efficient.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to above-described embodiment, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art, the some improvements and modifications not breaking away under the principle of the invention prerequisite should be considered as protection scope of the present invention.

Claims (6)

1. the variable power based on loading trolley is changed the wiring system, it is characterized in that: comprise plural dolly, coupler body assembly (31) and the hoist rope two piece or more corresponding with dolly quantity, described each dolly below all is equipped with one and is embedded with the top sheave assembly, described pulley assembly is the assembly pulley by n the realized 2n that movable pulley forms multiplying power, and described hoist rope is set around on each assembly pulley;
Described dolly is two, comprises main carriage (9) and secondary dolly (7); Described steel rope is two also, comprises the first hoist rope (1), the second hoist rope (2); Described secondary dolly (7) below is equipped with the first pulley assembly, described main carriage (9) below is equipped with the second pulley assembly, described secondary dolly (7) is the side that shape side by side is arranged in main carriage (9), be connected with detouchable tie-beam (8) between described main carriage (9) and the secondary dolly (7), described the first pulley assembly comprises the first top sheave group (27) and the first downslide wheels (28), and described the second pulley assembly comprises the second top sheave group (38) and the second downslide wheels (39);
Comprise the first pulley (32) in described the first top sheave group (27), described the first downslide wheels (28) comprise the second pulley (33) and the 3rd pulley (34) that is arranged side by side; Described the second top sheave group (38) comprises the 4th pulley (35), and described the second downslide wheels (39) comprise the 5th pulley (36) and the 6th pulley (37) that is arranged side by side;
The upper direction along secondary dolly (7) to main carriage (9) of described secondary dolly (7) is furnished with the first fixed pulley (13), the 3rd fixed pulley (15), the 4th fixed pulley (16) and the 5th fixed pulley (17) successively, also is provided with second fixed pulley (14) coaxial with the first fixed pulley (13), six fixed pulley (18) coaxial with the 5th fixed pulley (17) on the described secondary dolly (7); The upper direction along secondary dolly (7) to main carriage (9) of described main carriage (9) is furnished with the 7th fixed pulley (19), the 9th fixed pulley (21), the tenth fixed pulley (22) and the 11 fixed pulley (23) successively, also is provided with eight fixed pulley (20) coaxial with the 7th fixed pulley (19), ten two fixed pulley (24) coaxial with the 11 fixed pulley (23) on the described main carriage (9).
2. the variable power conversion wiring system based on loading trolley according to claim 1 is characterized in that the baudrier of described the first hoist rope (1) is: the first hoist rope (1) → the 11 fixed pulley (23) → the 5th pulley (36) → the 7th fixed pulley (19) → the tenth fixed pulley (22) → the 4th pulley (35) → the 9th fixed pulley (21) → the 12 fixed pulley (24) → the 6th pulley (37) → the 8th fixed pulley (20) → anti-twisting equipment (44); The baudrier of described the second hoist rope (2) is: the second hoist rope (2) → the 6th fixed pulley (18) → the 3rd pulley (34) → second fixed pulley (14) → the 4th fixed pulley (16) → first pulley (32) → the 3rd fixed pulley (15) → the 5th fixed pulley (17) → second pulley (33) → first fixed pulley (13) → anti-twisting equipment (44).
3. the described variable power conversion wiring system based on loading trolley of any one according to claim 1~2, it is characterized in that: the below of described the first downslide wheels (28) is provided with the connecting panel (29) that is used for fixing coupler body assembly (31).
4. the variable power conversion wiring system based on loading trolley according to claim 3 is characterized in that: be connected with detouchable crossbeam (30) between the connecting panel of described two pulley assemblies (29).
5. the described variable power conversion wiring system based on loading trolley of any one according to claim 1~2, it is characterized in that: the top of described main carriage (9) and secondary dolly (7) is supported on the turning rolls (5) by shoulder pole girder (4).
6. the described variable power conversion wiring system based on loading trolley of any one according to claim 1~2, it is characterized in that: the initiating terminal of described the first hoist rope (1) and the second hoist rope (2) is connected with respectively a hoisting drum (41).
CN 201110148585 2011-06-03 2011-06-03 Loading trolley-based converting rope winding system with variable multiplying power Active CN102219157B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102627228B (en) * 2012-04-11 2014-05-21 中联重科股份有限公司 Tower crane and hanger assembly of tower crane
CN102718138A (en) * 2012-06-28 2012-10-10 常熟市电力机具有限公司 Hoisting tackle
CN104528542A (en) * 2014-12-30 2015-04-22 徐州建机工程机械有限公司 Double load-bearing trolley of tower crane
CN106957017A (en) * 2017-05-12 2017-07-18 山东电力建设第工程公司 A kind of flat arm tower crane lifting of ultra-large type becomes multiplying power wiring system
CN109573815A (en) * 2018-12-10 2019-04-05 中联重科股份有限公司 Movable pulley mounting rack, hook assembly and the crane of crane hook

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201040690Y (en) * 2007-05-17 2008-03-26 大连华锐股份有限公司 Shaking-proof plate blank soaking pit crane
CN201071261Y (en) * 2007-07-24 2008-06-11 杭州华新机电工程有限公司 Bank bridge type permanent magnetism suspension wide and thick plate crane
CN101224856A (en) * 2007-12-20 2008-07-23 中铁大桥局股份有限公司 Long-span load-carrying cable lifting machine and mounting method therefor
CN201183725Y (en) * 2008-03-24 2009-01-21 二重集团(德阳)重型装备股份有限公司 Crane rope winding system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003056000A (en) * 2001-08-20 2003-02-26 Komatsu Ltd High lift crane vehicle
JP4390468B2 (en) * 2003-03-24 2009-12-24 株式会社小松製作所 Pipe layer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201040690Y (en) * 2007-05-17 2008-03-26 大连华锐股份有限公司 Shaking-proof plate blank soaking pit crane
CN201071261Y (en) * 2007-07-24 2008-06-11 杭州华新机电工程有限公司 Bank bridge type permanent magnetism suspension wide and thick plate crane
CN101224856A (en) * 2007-12-20 2008-07-23 中铁大桥局股份有限公司 Long-span load-carrying cable lifting machine and mounting method therefor
CN201183725Y (en) * 2008-03-24 2009-01-21 二重集团(德阳)重型装备股份有限公司 Crane rope winding system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2003-56000A 2003.02.26

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