CN202321977U - Tower crane and hook assembly thereof - Google Patents

Tower crane and hook assembly thereof Download PDF

Info

Publication number
CN202321977U
CN202321977U CN2011204287958U CN201120428795U CN202321977U CN 202321977 U CN202321977 U CN 202321977U CN 2011204287958 U CN2011204287958 U CN 2011204287958U CN 201120428795 U CN201120428795 U CN 201120428795U CN 202321977 U CN202321977 U CN 202321977U
Authority
CN
China
Prior art keywords
pulley
suspension hook
main
hook unit
unit
Prior art date
Application number
CN2011204287958U
Other languages
Chinese (zh)
Inventor
蒋孝德
曾祥斌
单石福
郭纪斌
Original Assignee
中联重科股份有限公司
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 中联重科股份有限公司 filed Critical 中联重科股份有限公司
Priority to CN2011204287958U priority Critical patent/CN202321977U/en
Application granted granted Critical
Publication of CN202321977U publication Critical patent/CN202321977U/en

Links

Abstract

The utility model provides a tower crane and a hook assembly thereof. The hook assembly comprises a main trolley, a secondary trolley and a hook unit, wherein the main trolley is arranged on a crane boom of the tower crane; the secondary trolley is arranged on the crane boom of the tower crane; the hook unit comprises a main hook unit and a secondary hook unit, and the main hook unit is detachably connected with the secondary hook unit through a cross beam; and the hook unit also comprises a hook body which is arranged on the cross beam. The main trolley and the secondary trolley respectively form a four-times unit together with the main hook unit and the secondary hook unit, thus the eight-times hook assembly is formed; and the multiplying power is improved, the width of the hook assembly is reduced, and the minimum working amplitude of the hook assembly is reduced; and the hook assembly provided by the utility model has the characteristics of simple structure and low cost.

Description

Tower crane and hook assembly thereof

Technical field

The utility model relates to the hoisting crane field, more specifically, relates to a kind of tower crane and hook assembly thereof.

Background technology

Hook assembly of the prior art is two multiplying powers, four multiplying powers or six multiplying powers normally, usually two or three two multiplying power unit assembly together, thereby constitute four rates or six multiplying power hook assemblies.

Fig. 1 shows the structural representation of six multiplying power hook assemblies of the prior art.As shown in Figure 1; Six multiplying power hook assemblies of the prior art comprise first dolly 1 ', second dolly 2 ', the 3rd dolly 3 ', first movable pulley 4 ', second movable pulley 5 ' and the 3rd movable pulley 6 '; Wherein, First dolly 1 ' and first movable pulley 4 ', second dolly 2 ' and second movable pulley 5 ', the 3rd dolly 3 ' and the 3rd movable pulley 6 ' constitute one two multiplying power unit respectively, below above-mentioned three two multiplying power unit, are provided with coupler body 7 '.Therefore, six multiplying power hook assemblies of the prior art are actually and are formed by three two multiplying power unit assembly.

Fig. 2 shows the structural representation of four multiplying power hook assemblies of the prior art.As shown in Figure 2; Four multiplying power hook assemblies of the prior art comprise first dolly 1 ", second dolly 2 ", first movable pulley 3 " and second movable pulley 4 "; Wherein, First dolly 1 " and first movable pulley 3 " one two multiplying power unit of formation, second dolly 2 " and second movable pulley 4 " constitute another two multiplying powers unit, the below of these two two multiplying power unit is provided with coupler body 5 ".Be that four multiplying power hook assemblies of the prior art are actually by two two multiplying power unit assembly and form.

Yet when needs lifting large-tonnage material, the hook assembly of six multiplying powers is difficult to meet requirements.In addition; Six multiplying power hook assemblies of the prior art need use three dollies; Realize that according to mode of the prior art the hook assembly of an octuple rate needs four dollies, therefore, the suspension hook of the octuple rate that realizes through mode of the prior art has complex structure, shortcoming that cost is high; And can cause the width of hook assembly bigger, so that the big problem of the minimum work range of hook assembly (being the minor increment between the bracing frame of hook assembly and tower crane).

The utility model content

The utility model aims to provide a kind of tower crane and hook assembly thereof, with the hook assembly complex structure that solves prior art, the problem that cost is high, minimum work range is big.

For solving the problems of the technologies described above; According to an aspect of the utility model, a kind of hook assembly of tower crane is provided, comprising: main carriage; Main carriage is arranged on the crane arm of tower crane, and main carriage comprises first pulley, second pulley, the 3rd pulley and the 4th pulley; Secondary dolly, secondary dolly is arranged on the crane arm of tower crane, and secondary dolly comprises first pulley, second pulley, the 3rd pulley and the 4th pulley; Suspension hook unit, suspension hook unit comprise main suspension hook unit and secondary suspension hook unit, and main suspension hook unit removably is connected through crossbeam with secondary suspension hook unit; Main suspension hook unit comprises first pulley, second pulley and the 3rd pulley; Second pulley of main suspension hook unit and the 3rd pulley are arranged on the below of first pulley of main suspension hook unit; Secondary suspension hook unit comprises first pulley, second pulley and the 3rd pulley; The below that second pulley of secondary suspension hook unit and the 3rd pulley are arranged on first pulley of secondary suspension hook unit; Hook assembly also comprises: first hoist rope, first end of first hoist rope are connected with first lifting mechanism of tower crane after walking around the 3rd pulley of the 3rd pulley and main carriage of first pulley of second pulley of main carriage, main suspension hook unit, the 4th pulley of main carriage, first pulley of main carriage, second pulley of main suspension hook unit, main suspension hook unit successively; Second end of first hoist rope is provided with regularly; Second hoist rope, first end of second hoist rope are connected with second lifting mechanism of tower crane after walking around the 4th pulley of the 3rd pulley and secondary dolly of first pulley of secondary dolly, first pulley of secondary suspension hook unit, the 3rd pulley of secondary dolly, second pulley of secondary dolly, second pulley of secondary suspension hook unit, secondary suspension hook unit successively; Second end of second hoist rope is provided with regularly; The suspension hook unit also comprises coupler body, and coupler body is installed on the crossbeam.

Further, main carriage comprises primary shaft and second, and first pulley and second pulley of main carriage are arranged on the primary shaft, and the 3rd pulley and the 4th pulley of main carriage are arranged on second.

Further, secondary dolly comprises primary shaft and second, and first pulley and second pulley of secondary dolly are arranged on the primary shaft, and the 3rd pulley and the 4th pulley of secondary dolly are arranged on second.

Further, main carriage removably is connected through tie-beam with secondary dolly.

Further, main suspension hook unit comprises first support, and second pulley of main suspension hook unit and the 3rd pulley are arranged on first support pivotly, and first pulley of main suspension hook unit removably is connected through first bearing pin with first support.

Further, secondary suspension hook unit comprises second support, and second pulley of secondary suspension hook unit and the 3rd pulley are arranged on second support pivotly, and first pulley of secondary suspension hook unit removably is connected through second bearing pin with second support.

Further, coupler body removably is connected with crossbeam through croisillon de joint homocinetique.

Further, second end of second end of first hoist rope and second hoist rope is respectively fixed on the anti-twisting equipment.

Another aspect according to the utility model provides a kind of tower crane, comprises hook assembly, and this hook assembly is above-mentioned hook assembly.

The mode that the utility model respectively forms one four multiplying power unit with main suspension hook unit, secondary suspension hook unit respectively with main carriage and secondary dolly constitutes the hook assembly of octuple rate; In increase multiplying factor, dwindled the width of hook assembly; Reduce the minimum work range of hook assembly, had characteristics simple in structure, that cost is low.

Description of drawings

The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:

Fig. 1 has schematically shown six multiplying power hook assemblies of the prior art;

Fig. 2 has schematically shown four multiplying power hook assemblies of the prior art;

Fig. 3 has schematically shown the integral structure scheme drawing of the octuple rate hook assembly in the utility model;

Fig. 4 has schematically shown the wiring scheme drawing of Fig. 3;

Fig. 5 has schematically shown the structural representation of main carriage and secondary dolly;

Fig. 6 has schematically shown the right elevation of Fig. 5;

Fig. 7 has schematically shown the structural representation of suspension hook unit;

Fig. 8 has schematically shown the A-A part sectional view of Fig. 7;

Fig. 9 has schematically shown the B-B part sectional view of Fig. 7; And

Figure 10 has schematically shown the C-C part sectional view of Fig. 7.

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.

As an aspect of the utility model, the utility model provides a kind of hook assembly of tower crane.Like Fig. 3-shown in Figure 10, the hook assembly in the utility model comprises: main carriage 1, secondary dolly 2, suspension hook unit 6, first hoist rope 4 and second hoist rope 5.

Wherein, main carriage 1 is arranged on the crane arm of tower crane, and main carriage 1 comprises first pulley 11, second pulley 12, the 3rd pulley 13 and the 4th pulley 14; Secondary dolly 2 is arranged on the crane arm of tower crane, and secondary dolly 2 comprises first pulley 21, second pulley 22, the 3rd pulley 23 and the 4th pulley 24; Suspension hook unit 6 comprises main suspension hook unit 61 and secondary suspension hook unit 62, and main suspension hook unit 61 removably is connected through crossbeam 9 with secondary suspension hook unit 62; Main suspension hook unit 61 comprises first pulley 611, second pulley 612 and the 3rd pulley 613; Second pulley 612 of main suspension hook unit 61 and the 3rd pulley 613 are arranged on the below of first pulley 611 of main suspension hook unit 61; Secondary suspension hook unit 62 comprises first pulley 621, second pulley 622 and the 3rd pulley 623; The below that second pulley 622 of secondary suspension hook unit 62 and the 3rd pulley 623 are arranged on first pulley 621 of secondary suspension hook unit 62.

As shown in Figure 4, second pulley 612, the 3rd pulley 613 of main suspension hook unit 61 and the 3rd pulley 13 backs of main carriage 1 that first end of first hoist rope 4 is walked around first pulley 11, the main suspension hook unit 61 of the 4th pulley 14, the main carriage 1 of first pulley 611, the main carriage 1 of second pulley 12, the main suspension hook unit 61 of main carriage 1 successively are connected with first lifting mechanism 7 of tower crane; Second end of first hoist rope 4 is provided with regularly; Second pulley 622, the 3rd pulley 623 of secondary suspension hook unit 62 and the 4th pulley 24 backs of secondary dolly 2 that first end of second hoist rope 5 is walked around second pulley 22, the secondary suspension hook unit 62 of the 3rd pulley 23, the secondary dolly 2 of first pulley 621, the secondary dolly 2 of first pulley 21, the secondary suspension hook unit 62 of secondary dolly 2 successively are connected with second lifting mechanism 8 of tower crane; Second end of second hoist rope 5 is provided with regularly; Suspension hook unit 6 also comprises coupler body 10, and coupler body 10 is installed on the crossbeam 9.

Can know that in conjunction with Fig. 3-4 main carriage and main suspension hook unit constitute one four multiplying power unit, secondary dolly and secondary suspension hook unit constitute another four multiplying powers unit, and these two four multiplying power unit assembly form the hook assembly of an octuple rate.Therefore, the hook assembly in the utility model only need use two groups of dollies just can realize the function of octuple rate, has characteristics simple in structure, that cost is low; Simultaneously; Because the hook assembly in the utility model has only used two dollies; Therefore dwindled the width of hook assembly, made that the hook assembly in the utility model can promptly dwindle the minimum work range of hook assembly more near the position operation of the bracing frame of tower crane.In addition; This hook assembly can be directly in the prior art the basis of dolly of tower crane; Adopt the structure of two load-carrying dollies, double-hung and cooperate two lifting mechanisms to realize the lifting of weight, make hook assembly in the utility model applicable to the large-tonnage operation that hoists.

Preferably, main carriage 1 removably is connected through tie-beam 3 with secondary dolly 2.Preferably, coupler body 10 removably is connected with crossbeam 9 through croisillon de joint homocinetique 101.Preferably, second end of second end of first hoist rope 4 and second hoist rope 5 is respectively fixed on the anti-twisting equipment 102, to prevent first, second hoist rope the problem of kink takes place.Preferably, on the wiring path of first hoist rope 4 and second hoist rope 5, also be respectively arranged with at least one leading sheave 103, to realize guiding to first, second hoist rope.

Preferably, main carriage 1 comprises primary shaft 15 and second 16, and first pulley 11 and second pulley 12 of main carriage 1 are arranged on the primary shaft 15, and the 3rd pulley 13 and the 4th pulley 14 of main carriage 1 are arranged on second 16.Preferably, secondary dolly 2 comprises primary shaft 25 and second 26, and first pulley 21 and second pulley 22 of secondary dolly 2 are arranged on the primary shaft 25, and the 3rd pulley 23 and the 4th pulley 24 of secondary dolly 2 are arranged on second 26.

Preferably; Main suspension hook unit 61 comprises first support 614; Second pulley 612 of main suspension hook unit 61 and the 3rd pulley 613 are arranged on first support 614 pivotly, and first pulley 611 of main suspension hook unit 61 removably is connected through first bearing pin 615 with first support 614.Preferably; Secondary suspension hook unit 62 comprises second support 624; Second pulley 622 and the 3rd pulley 623 of secondary suspension hook unit 62 are arranged on second support 624 pivotly, and first pulley 621 of secondary suspension hook unit 62 removably is connected through second bearing pin 625 with second support 624.Through above-mentioned detouchable structure, make the utility model can change into other multiplying power easily from the octuple rate, like four multiplying powers, two multiplying powers etc.

As another aspect of the utility model, the utility model provides a kind of tower crane, comprises hook assembly, and this hook assembly is the hook assembly among above-mentioned each embodiment.Because the tower crane in the utility model has used above-mentioned hook assembly, therefore can realize the function of octuple rate, be adapted to the large-tonnage occasion especially.

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 (9)

1. the hook assembly of a tower crane is characterized in that, comprising:
Main carriage (1), said main carriage (1) is arranged on the crane arm of said tower crane, and said main carriage (1) comprises first pulley (11), second pulley (12), the 3rd pulley (13) and the 4th pulley (14);
Secondary dolly (2), said secondary dolly (2) is arranged on the crane arm of said tower crane, and said secondary dolly (2) comprises first pulley (21), second pulley (22), the 3rd pulley (23) and the 4th pulley (24);
Suspension hook unit (6), said suspension hook unit (6) comprise main suspension hook unit (61) and secondary suspension hook unit (62), and said main suspension hook unit (61) removably is connected through crossbeam (9) with secondary suspension hook unit (62);
Said main suspension hook unit (61) comprises first pulley (611), second pulley (612) and the 3rd pulley (613); Second pulley (612) of said main suspension hook unit (61) and the 3rd pulley (613) are arranged on the below of first pulley (611) of said main suspension hook unit (61);
Said secondary suspension hook unit (62) comprises first pulley (621), second pulley (622) and the 3rd pulley (623); Second pulley (622) of said secondary suspension hook unit (62) and the 3rd pulley (623) are arranged on the below of first pulley (621) of said secondary suspension hook unit (62);
Said hook assembly also comprises:
First hoist rope (4), first end of said first hoist rope (4) are walked around first pulley (11) of second pulley (12) of said main carriage (1), first pulley (611) of said main suspension hook unit (61), the 4th pulley (14) of said main carriage (1), said main carriage (1), second pulley (612) of said main suspension hook unit (61), the 3rd pulley (613) of said main suspension hook unit (61) and the 3rd pulley (13) back of said main carriage (1) successively and are connected with first lifting mechanism (7) of said tower crane; Second end of said first hoist rope (4) is provided with regularly;
Second hoist rope (5), first end of said second hoist rope (5) are walked around first pulley (21) of said secondary dolly (2), first pulley (621) of said secondary suspension hook unit (62), the 3rd pulley (23) of said secondary dolly (2), second pulley (22) of said secondary dolly (2), second pulley (622) of said secondary suspension hook unit (62), the 3rd pulley (623) of said secondary suspension hook unit (62) and the 4th pulley (24) back of said secondary dolly (2) successively and are connected with second lifting mechanism (8) of said tower crane; Second end of said second hoist rope (5) is provided with regularly;
Said suspension hook unit (6) also comprises coupler body (10), and said coupler body (10) is installed on the said crossbeam (9).
2. hook assembly according to claim 1; It is characterized in that; Said main carriage (1) comprises primary shaft (15) and second (16); First pulley (11) of said main carriage (1) and second pulley (12) are arranged on the said primary shaft (15), and the 3rd pulley (13) of said main carriage (1) and the 4th pulley (14) are arranged on said second (16).
3. hook assembly according to claim 1; It is characterized in that; Said secondary dolly (2) comprises primary shaft (25) and second (26); First pulley (21) of said secondary dolly (2) and second pulley (22) are arranged on the said primary shaft (25), and the 3rd pulley (23) of said secondary dolly (2) and the 4th pulley (24) are arranged on said second (26).
4. hook assembly according to claim 1 is characterized in that, said main carriage (1) removably is connected through tie-beam (3) with said secondary dolly (2).
5. according to each described hook assembly among the claim 1-4; It is characterized in that; Said main suspension hook unit (61) comprises first support (614); Second pulley (612) of said main suspension hook unit (61) and the 3rd pulley (613) are arranged on said first support (614) pivotly, and first pulley (611) of said main suspension hook unit (61) removably is connected through first bearing pin (615) with said first support (614).
6. hook assembly according to claim 5; It is characterized in that; Said secondary suspension hook unit (62) comprises second support (624); Second pulley (622) of said secondary suspension hook unit (62) and the 3rd pulley (623) are arranged on said second support (624) pivotly, and first pulley (621) of said secondary suspension hook unit (62) removably is connected through second bearing pin (625) with said second support (624).
7. according to each described hook assembly among the claim 1-4, it is characterized in that said coupler body (10) removably is connected with said crossbeam (9) through croisillon de joint homocinetique (101).
8. according to each described hook assembly among the claim 1-4, it is characterized in that second end of second end of said first hoist rope (4) and said second hoist rope (5) is respectively fixed on the anti-twisting equipment (102).
9. a tower crane comprises hook assembly, it is characterized in that, said hook assembly is each described hook assembly among the claim 1-8.
CN2011204287958U 2011-11-02 2011-11-02 Tower crane and hook assembly thereof CN202321977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204287958U CN202321977U (en) 2011-11-02 2011-11-02 Tower crane and hook assembly thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204287958U CN202321977U (en) 2011-11-02 2011-11-02 Tower crane and hook assembly thereof

Publications (1)

Publication Number Publication Date
CN202321977U true CN202321977U (en) 2012-07-11

Family

ID=46433967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204287958U CN202321977U (en) 2011-11-02 2011-11-02 Tower crane and hook assembly thereof

Country Status (1)

Country Link
CN (1) CN202321977U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102874682A (en) * 2012-09-26 2013-01-16 芜湖合建路桥机械有限公司 Double-pulley hoisting connecting device
CN103231988A (en) * 2013-05-20 2013-08-07 中联重科股份有限公司 Tower crane as well as trolley thereof, and rope winding ratio change method thereof
CN104058345A (en) * 2014-04-15 2014-09-24 郑州科润机电工程有限公司 Sliding wheel mechanism for lifting machine
KR200477040Y1 (en) * 2013-07-24 2015-05-04 삼성중공업 주식회사 Hook Combiner for Crane
CN106744396A (en) * 2016-12-30 2017-05-31 徐州建机工程机械有限公司 A kind of dynamic flat arm dual-fuel engine oil amplitude variation trolley
CN109179208A (en) * 2018-09-03 2019-01-11 中联重科股份有限公司 Move multiplying factor device and crane certainly for crane
CN109650255A (en) * 2018-12-20 2019-04-19 沈阳建筑大学 Derrick crane swing trolley hoist self-balancing system
CN110921539A (en) * 2019-11-23 2020-03-27 兰东明 Hoist mechanism is used in outdoor installation of communication cabinet

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102874682A (en) * 2012-09-26 2013-01-16 芜湖合建路桥机械有限公司 Double-pulley hoisting connecting device
CN102874682B (en) * 2012-09-26 2015-10-28 芜湖合建路桥机械有限公司 A kind of sister block lifting connecting device
CN103231988A (en) * 2013-05-20 2013-08-07 中联重科股份有限公司 Tower crane as well as trolley thereof, and rope winding ratio change method thereof
KR200477040Y1 (en) * 2013-07-24 2015-05-04 삼성중공업 주식회사 Hook Combiner for Crane
CN104058345A (en) * 2014-04-15 2014-09-24 郑州科润机电工程有限公司 Sliding wheel mechanism for lifting machine
CN104058345B (en) * 2014-04-15 2016-06-08 郑州科润机电工程有限公司 A kind of pulley mechanism of hoisting machinery
CN106744396B (en) * 2016-12-30 2018-05-08 徐州建机工程机械有限公司 A kind of dynamic flat arm dual-fuel engine oil amplitude variation trolley
CN106744396A (en) * 2016-12-30 2017-05-31 徐州建机工程机械有限公司 A kind of dynamic flat arm dual-fuel engine oil amplitude variation trolley
CN109179208A (en) * 2018-09-03 2019-01-11 中联重科股份有限公司 Move multiplying factor device and crane certainly for crane
CN109179208B (en) * 2018-09-03 2019-06-07 中联重科股份有限公司 Move multiplying factor device and crane certainly for crane
CN109650255A (en) * 2018-12-20 2019-04-19 沈阳建筑大学 Derrick crane swing trolley hoist self-balancing system
CN109650255B (en) * 2018-12-20 2019-12-24 沈阳建筑大学 Hanging weight self-balancing system of swing trolley of tower crane
CN110921539A (en) * 2019-11-23 2020-03-27 兰东明 Hoist mechanism is used in outdoor installation of communication cabinet

Similar Documents

Publication Publication Date Title
CN101309850A (en) Modular counterweight carriage for cranes, in particular for large cranes
CN101670982B (en) Maintenance gantry crane
CN201495044U (en) Maintaining gantry crane
CN203998697U (en) Movable type gantry mast-up
CN201002913Y (en) Telescopic arm sling
CN205151582U (en) Novel rack and pinion luffing single -boom multipurpose stationary crane
CN203095447U (en) Automatic multiplying power variable lifting hook device
CN105417345A (en) Chain type overturn lifting tool
CN201071261Y (en) Bank bridge type permanent magnetism suspension wide and thick plate crane
CN201437648U (en) Holding pole
CN203845712U (en) Heavy-duty equipment hoisting device
CN205099211U (en) Hoist anti -swing device
CN202492320U (en) Chain hoist
CN205932929U (en) Large power supply equipment fixing is with hoist and mount framework
CN202322100U (en) Horizontal trolley luffing tower crane and jacklift sling combination device
CN201980880U (en) Hoisting device
CN204980946U (en) Take running gear's tower crane
CN202671074U (en) Telescopic boom crane and super-lift device thereof
CN206088813U (en) Heavy machinery hoists transfer device
CN202089704U (en) Cantilever crane
CN202090325U (en) Double-suspension electric hoist special for hydraulic opening/closing
CN204958233U (en) Tower crane plays to rise wire rope and holds in palm rope device
CN102689841A (en) Electric hoist portal crane
CN201809058U (en) Low-clearance trolley for crane
CN203295068U (en) Underneath-type three-trolley four-suspension centre portal crane for winch

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model