CN205367561U - Hoist and trolley and hoisting mechanism thereof - Google Patents

Hoist and trolley and hoisting mechanism thereof Download PDF

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Publication number
CN205367561U
CN205367561U CN201620098599.1U CN201620098599U CN205367561U CN 205367561 U CN205367561 U CN 205367561U CN 201620098599 U CN201620098599 U CN 201620098599U CN 205367561 U CN205367561 U CN 205367561U
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China
Prior art keywords
fixed pulley
pulley
same
fixed
lifting
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Expired - Fee Related
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CN201620098599.1U
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Chinese (zh)
Inventor
王历鑫
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Foshan Ou Sheng crane Technology Co., Ltd.
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王历鑫
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Priority to CN201620098599.1U priority Critical patent/CN205367561U/en
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Publication of CN205367561U publication Critical patent/CN205367561U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a hoist and trolley and hoisting mechanism thereof, hoisting mechanism wherein, including the hook assembly that is used for connecting crane hook and first standing block, second standing block, the interval sets up around first standing block, the second standing block, is formed with the space of stepping down between first standing block, the second standing block, step down the space when hook assembly from bottom to top moves, make hook assembly can move to the position department between first standing block, the second standing block. The utility model discloses because the interval sets up and is formed with the space of stepping down between the two around first standing block, the second standing block, makes hook assembly can move to the position department between first standing block, the second standing block. Can only the upward movement for hook assembly to the hoisting mechanism of the below of standing block, load -lifting height's limit height has also obtained the improvement. (B /)

Description

A kind of crane and trolley thereof and lifting mechanism
Technical field
This utility model relates to hoisting machinery technical field, is specifically related to a kind of crane and trolley thereof and lifting mechanism.
Background technology
Crane mainly has bridge crane and gantry crane, and bridge crane is applied in Factory Building more, and gantry crane is applied in the occasion of outdoor more.Crane generally comprises cart and dolly, and cart is provided with mean for the track of trolley travelling, and dolly includes trolley frame, which is provided with the lifting mechanism for handling weight.The mode that lifting mechanism is utilized on hoisting drum lay winding wire ropes more, also includes a certain amount of movable and fixed pulley group, also has lifting mechanism to adopt chain-type.
Chinese patent CN201729618U(authorized announcement date is 2011.02.02) disclose the fixed pulley beam assembly of a kind of bridge machine, it includes fixed pulley beam, fixed pulley group, running block, and running block is by steel wire rope and fixed pulley group active link.Running block is positioned at the underface of fixed pulley group, and the maximum height that can rise of running block is without the minimum point of height fixed pulley group, and due to the existence of pulley beam, running block is impossible to rise to the position of more than pulley beam lower surface.The arrangement of this assembly pulley can reduce the limiting altitude that hoists of crane.
Summary of the invention
The purpose of this utility model is to provide a kind of lifting mechanism, to solve to use the arrangement of the movable and fixed pulley group of existing lifting mechanism so that the technical problem that the limiting altitude that hoists of crane is relatively low.This utility model also provides for a kind of trolley using this lifting mechanism and crane simultaneously.
In order to realize object above, in this utility model, the technical scheme of lifting mechanism is as follows: lifting mechanism, including lifting hook pulley group and the first fixed pulley group, the second fixed pulley group for connecting crane hook, first fixed pulley group, the second fixed pulley group time interval are arranged, be formed between first fixed pulley group, the second fixed pulley group and allow bit space, described in allow bit space when lifting hook pulley group is moved from bottom to top, enable lifting hook pulley group to move to the position between the first fixed pulley group, the second fixed pulley group.
The first fixed pulley in the same direction that first fixed pulley group includes being coaxially disposed, second fixed pulley in the same direction, second fixed pulley group includes the 3rd fixed pulley in the same direction, 4th in the same direction fixed pulley and commutation fixed pulley, 3rd fixed pulley in the same direction, 4th in the same direction fixed pulley be coaxially disposed, the pivot center of pivot center and the 3rd fixed pulley in the same direction of commutation fixed pulley is vertically arranged, lifting hook pulley group includes the first lifting hook pulley being coaxially disposed, second lifting hook pulley, first fixed pulley in the same direction, the pivot center of the 3rd fixed pulley and the first lifting hook pulley in the same direction is parallel to each other, described lifting mechanism is in use, corresponding matching used steel wire rope or chain are wrapped in the first fixed pulley in the same direction successively, first lifting hook pulley, second fixed pulley in the same direction, commutation fixed pulley, 4th fixed pulley in the same direction, second lifting hook pulley, second in the same direction on fixed pulley.
Described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th fixed pulley, commutation fixed pulley, the first lifting hook pulley and the second lifting hook pulley all apply to the sprocket wheel that chain is wound around in the same direction, described lifting mechanism also includes the fixed frame that hoists, described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th in the same direction fixed pulley and commutation fixed pulley be arranged at described in hoist in fixed frame, described in the fixed frame that hoists there is the installation cavity of up/down perforation.
Described lifting mechanism also includes chain, and one end of described chain is be connected to the fixing end hoisting on fixed frame, and the other end is for driving movable end, and the fixing end of chain is fixed on by the tractive sensor that overloads and hoists on fixed frame.
This utility model trolley adopts the following technical scheme that trolley includes travelling mechanism and lifting mechanism, described lifting mechanism includes the lifting hook pulley group for connecting crane hook and the first fixed pulley group, the second fixed pulley group, first fixed pulley group, the second fixed pulley group time interval are arranged, be formed between first fixed pulley group, the second fixed pulley group and allow bit space, described in allow bit space when lifting hook pulley group is moved from bottom to top, enable lifting hook pulley group to move to the position between the first fixed pulley group, the second fixed pulley group.
The first fixed pulley in the same direction that first fixed pulley group includes being coaxially disposed, second fixed pulley in the same direction, second fixed pulley group includes the 3rd fixed pulley in the same direction, 4th in the same direction fixed pulley and commutation fixed pulley, 3rd fixed pulley in the same direction, 4th in the same direction fixed pulley be coaxially disposed, the pivot center of pivot center and the 3rd fixed pulley in the same direction of commutation fixed pulley is vertically arranged, lifting hook pulley group includes the first lifting hook pulley being coaxially disposed, second lifting hook pulley, first fixed pulley in the same direction, the pivot center of the 3rd fixed pulley and the first lifting hook pulley in the same direction is parallel to each other, described lifting mechanism is in use, corresponding matching used steel wire rope or chain are wrapped in the first fixed pulley in the same direction successively, first lifting hook pulley, second fixed pulley in the same direction, commutation fixed pulley, 4th fixed pulley in the same direction, second lifting hook pulley, second in the same direction on fixed pulley.
Described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th fixed pulley, commutation fixed pulley, the first lifting hook pulley and the second lifting hook pulley all apply to the sprocket wheel that chain is wound around in the same direction, described lifting mechanism also includes the fixed frame that hoists, described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th in the same direction fixed pulley and commutation fixed pulley be arranged at described in hoist in fixed frame, described in the fixed frame that hoists there is the installation cavity of up/down perforation.
This utility model crane adopts the following technical scheme that, crane includes trolley, trolley includes travelling mechanism and lifting mechanism, described lifting mechanism includes the lifting hook pulley group for connecting crane hook and the first fixed pulley group, the second fixed pulley group, first fixed pulley group, the second fixed pulley group time interval are arranged, be formed between first fixed pulley group, the second fixed pulley group and allow bit space, described in allow bit space when lifting hook pulley group is moved from bottom to top, enable lifting hook pulley group to move to the position between the first fixed pulley group, the second fixed pulley group.
The first fixed pulley in the same direction that first fixed pulley group includes being coaxially disposed, second fixed pulley in the same direction, second fixed pulley group includes the 3rd fixed pulley in the same direction, 4th in the same direction fixed pulley and commutation fixed pulley, 3rd fixed pulley in the same direction, 4th in the same direction fixed pulley be coaxially disposed, the pivot center of pivot center and the 3rd fixed pulley in the same direction of commutation fixed pulley is vertically arranged, lifting hook pulley group includes the first lifting hook pulley being coaxially disposed, second lifting hook pulley, first fixed pulley in the same direction, the pivot center of the 3rd fixed pulley and the first lifting hook pulley in the same direction is parallel to each other, described lifting mechanism is in use, corresponding matching used steel wire rope or chain are wrapped in the first fixed pulley in the same direction successively, first lifting hook pulley, second fixed pulley in the same direction, commutation fixed pulley, 4th fixed pulley in the same direction, second lifting hook pulley, second in the same direction on fixed pulley.
Described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th fixed pulley, commutation fixed pulley, the first lifting hook pulley and the second lifting hook pulley all apply to the sprocket wheel that chain is wound around in the same direction, described lifting mechanism also includes the fixed frame that hoists, described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th in the same direction fixed pulley and commutation fixed pulley be arranged at described in hoist in fixed frame, described in the fixed frame that hoists there is the installation cavity of up/down perforation.
The beneficial effects of the utility model: the first fixed pulley group, the second fixed pulley group time interval are arranged by lifting mechanism of the present utility model, it is formed between the two and allows bit space, when lifting hook pulley group is moved from bottom to top, owing to this allows the existence of bit space, lifting hook pulley group is enable to move to the position between the first fixed pulley group, the second fixed pulley group.Can only move upward to the lifting mechanism of the lower section of fixed pulley group relative to existing lifting hook pulley group, the limiting altitude of the lifting altitude of the lifting mechanism of lifting mechanism of the present utility model is also high.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present utility model;
Fig. 2 is the sectional view (cross-sectional structure of girder) of Fig. 1;
Fig. 3 is that two-shipper merges the schematic diagram (double trolley uses simultaneously) used;
Fig. 4 is the structural representation of the girder in Fig. 2;
Fig. 5 is the structural representation of the assembly pulley in Fig. 1;
Fig. 6 is the perspective view of Fig. 5;
Fig. 7 is the structural representation of the travelling mechanism in Fig. 1;
Fig. 8 is the structural representation of the lifting mechanism in Fig. 1;
Fig. 9 is the structural representation of the fixed frame that hoists in Fig. 8;
Figure 10 is the structural representation of the driving group in Fig. 8;
Figure 11 is the structural representation of the chain guides in Fig. 8;
Figure 12 is the sectional view of Figure 10;
Figure 13 is the structural representation of the driving wheel in Figure 12;
Figure 14 is the structural representation driving axle in Figure 12;
Figure 15 is the schematic diagram of the limit height that lifting mechanism can reach.
Detailed description of the invention
The embodiment of this utility model crane: as shown in figures 1-15, crane, the girder 2 extended along the longitudinal direction including length direction, guiding movement are assemblied on girder 2 trolley 4.The rear and front end of girder 2 is provided with operation end carriage 1, runs end carriage 1 and runs on the cart track 11 being arranged on accordingly in Factory Building, runs end carriage 1 and is driven by left and right operation motor 12.Run end carriage and be provided with end carriage electric box 13.Girder 2 is in box-structure, and including lower cover 25, the first web the 27, second web 24 and upper cover plate 26 of being located on lower cover 25, first web the 27, second web 24 be arranged in parallel and between upper cover plate 26 and lower cover 25.Girder 2 is internal is provided with inner reinforced plate.All stretching out on the left of first web the 27, second web 24(along its width of lower cover 25 is the first web, and right side is the second web 24, lower cover 25 stretch out the first web 27 to the left, stretch out to the right the second web 24).The part stretching out the first web, the second web of lower cover 25 is equipped with track girder, track girder include extending along the longitudinal direction for support Load-bearing rail rail supported plate 28 and along rail supported plate 28 length direction spaced reinforcement gusset 29.Three sides strengthening gusset 29 are welded to connect with rail supported plate the 28, second web 24 and lower cover 25 respectively.Load-bearing rail 23 is fixed on rail supported plate 28 and extends along the longitudinal direction.Rail supported plate 28 and lower cover 25 be arranged in parallel.Upper cover plate 26 is all stretched out in the upper end of first web the 27, second web 24, and upper cover plate 26 is between first web the 27, second web 24.
Trolley 4 includes travelling mechanism, lifting mechanism, and travelling mechanism includes vehicle wheel frame 42, load-carrying link plate 40, arranges about lifting mechanism and travelling mechanism.The drivewheel of dolly is arranged in vehicle wheel frame 42, and drivewheel runs along Load-bearing rail 23.The side of vehicle wheel frame 42 is located at and is driven the front and back of drivewheel motion to run motor 43, and front and back are run motor 43 and extended in left-right direction.Load-carrying link plate 40 is arranged on above vehicle wheel frame 42, load-carrying link plate 40 is bent plate, bent plate includes riser 402 and transverse slat 401, transverse slat 401 extends to girder side, transverse slat 401 is provided with guide and limit mechanism, guide and limit mechanism includes the vertically extending directive wheel of pivot center 41, and directive wheel 41 has two time intervals to arrange.The part protruding upward upper cover plate 26 of first web the 27, second web 24 forms the position limiting structure of correspondence, and the part that the second web 24 stretches out is designated as 241.Coordinated by the guide and limit of position limiting structure with directive wheel 41, make trolley 4 operate steadily, and can prevent trolley 4 from turning on one's side in running, depart from girder 2.
Lifting mechanism releasable connection is on riser 402, and lifting mechanism includes the fixed frame 46 that hoists, and is provided with assembly pulley in the fixed frame 46 that hoists, the arranged outside lifting motor 47 of the fixed frame 46 that hoists, electric control unit.Riser 402 is provided with load-carrying hanging hole 403, the hoist side towards riser 402 of fixed frame 46 is provided with the hook 461 for buckling in load-carrying hanging hole 403, the fixed frame 46 that hoists is fastened by bolts buckling after on riser 402, in the bolt hole 462 being connected with penetrating for bolt of hook 461 on the fixed frame 46 that hoists.Corresponding position on riser 402 is also equipped with corresponding bolt penetration hole.The fixed frame 46 that hoists has the installation cavity of up/down perforation, and assembly pulley includes the first fixed pulley group, the second fixed pulley group and lifting hook pulley group.The first fixed pulley 53, second fixed pulley 52 in the same direction in the same direction that first fixed pulley group includes being coaxially disposed, second fixed pulley group include the 3rd in the same direction fixed pulley the 55, the 4th fixed pulley 56 in the same direction and commutation fixed pulley 57,3rd in the same direction fixed pulley the 55, the 4th fixed pulley 56 in the same direction be coaxially disposed, the pivot center of pivot center and the 3rd fixed pulley in the same direction of commutation fixed pulley is vertically arranged.First lifting hook pulley the 59, second lifting hook pulley 58 that lifting hook pulley group includes lifting hook pulley frame, is coaxially disposed, lifting hook pulley frame is provided with main suspension hook 48.First fixed pulley group, the second fixed pulley group time interval are arranged, and be formed and allow bit space between the first fixed pulley group, the second fixed pulley group.The pivot center of the first fixed pulley the 53, the 3rd fixed pulley 55 and the first lifting hook pulley 59 in the same direction in the same direction is parallel to each other, the pivot center of the first fixed pulley the 53, the 3rd fixed pulley 55 in the same direction in the same direction is positioned at sustained height, the distribution that the first fixed pulley group, the second fixed pulley group and lifting hook pulley group are roughly triangular.First in the same direction fixed pulley 53, second fixed pulley the 52, the 3rd in the same direction fixed pulley the 55, the 4th fixed pulley 56 in the same direction in the same direction, commutation fixed pulley the 57, first lifting hook pulley 59 and the second lifting hook pulley 58 all apply to chain be wound around sprocket wheel, sprocket wrap is provided with the key way engaged with chain.First in the same direction fixed pulley 53, second fixed pulley the 52, the 3rd in the same direction fixed pulley the 55, the 4th fixed pulley 56 in the same direction in the same direction and commutation fixed pulley 57 be arranged at hoisting in fixed frame 46, lifting hook pulley group belongs to and is positioned at below the fixed frame 46 that hoists under running block and its normal operating condition.
Chain 49 one end is fixing end, and the other end, for driving movable end, the fixing end of chain 49 is additionally provided with overload tractive sensor 54, and overload tractive sensor 54 is fixed on and hoists on fixed frame 46.Hoisting and be provided with chain guides 50 in the installation cavity body of fixed frame 46, chain guides 50 are provided with chain cable fairlead 501, and chain cable fairlead 501 is used for guiding chain 49 to enter guide chain mouth.The driving movable end of chain 49 enters in driving group 51 after walking around each pulley, and the portion of chain having more is positioned at the appearance chain bag 44 being arranged on below the fixed frame 46 that hoists.Be specifically described below lifting mechanism around chain mode, one end of chain 49 is fixed together by wearing pin with overload tractive sensor 54, the other end through first in the same direction fixed pulley 53 downwards around to the first lifting hook pulley 59, again upwards about to the 3rd fixed pulley 55 in the same direction, then downward around to commutation fixed pulley 57, upwards about to the 4th fixed pulley 56 in the same direction after commutation fixed pulley 57 guiding, through the 4th in the same direction fixed pulley 56 down through the second lifting hook pulley 58, again upwards about to the second fixed pulley 52 in the same direction, then from second in the same direction fixed pulley 52 extend parallel to the driving group 51 of chain.Driving group 51 includes shell 513, driving wheel 512, drives adapter sleeve 514, drives axle and 511, two jump rings of two bearings, adapter sleeve 514 is driven to connect driving wheel 512, drive axle 515, between connected by the form of spline, drive axle 515 driven by lifting motor 47.Lifting mechanism of the present utility model is when in use, lifting hook pulley group is when weight of slinging upwards hoists, first lifting hook pulley the 59, second lifting hook pulley 58 can be upwardly into and allow in bit space between first and second fixed pulley group, not by the restriction of the fixed frame 46 that hoists, lifting hook pulley group enters in the inner chamber of the fixed frame 46 that hoists, the pivot center of first lifting hook pulley the 59, second lifting hook pulley 58 almost can reach the height and position of first pivot center of fixed pulley in the same direction so that lifting altitude is higher.
Side in first web the 27, second web 24 is provided with the hauling-chain frame 22 of Power Support drag chain, forms dee between the web that hauling-chain frame 22 is corresponding with first web the 27, second web 24.Hauling-chain frame 22 is formed by two-flap.
In the present embodiment, trolley has two and lays respectively at the left and right sides of girder, being provided with balancing suspension hook between the main suspension hook 48 of two trolleys, balancing suspension hook includes hook body 72 and equalizer bar 71, and the two ends of equalizer bar 71 are connected on the main suspension hook 48 of dolly.Equalizer bar 71 be respectively arranged at two ends with first U-shaped snap ring the 73, second U-shaped snap ring 74.First U-shaped snap ring the 73, second U-shaped snap ring 74 is buckled on little car owner's suspension hook of correspondence.Balancing suspension hook can hoisting weight is relatively larger when two lifting mechanisms unite two into one goods.This utility model is in use, two different goods of lifting mechanism lifting can be operated respectively, two lifting mechanisms arbitrarily can be exchanged through electrical equipment control, if a lifting mechanism breaks down wherein, another lifting mechanism can be called at any time enter duty and will not be subject to any impact of fault lifting mechanism, ensure that the safety in production of enterprise.Two lifting mechanisms merge through electrical equipment control and use, and can put down at diverse location according to the size of hung object and lift the relatively larger goods of weight, goods winches to the height that other crane does not reach.
In other embodiments, it is possible to the first one in fixed pulley and second fixed pulley in the same direction in the same direction is only set, similarly, the 3rd in the same direction fixed pulley, the 4th in the same direction fixed pulley be also provided with one of them, first and second lifting hook pulley also can only arrange one of them.In other embodiments, all of fixed pulley and lifting hook pulley can be configured as be used in wirerope-winding, periphery be provided with the pulley structure of grooving, use steel wire rope to substitute chain simultaneously.
The embodiment of this utility model lifting mechanism, lifting mechanism is identical with the structure of the lifting mechanism in above-described embodiment, and detailed description of the invention no longer describes in detail.
The embodiment of this utility model trolley, trolley is identical with the structure of the trolley in above-mentioned crane embodiment, and detailed description of the invention no longer describes in detail.

Claims (10)

1. lifting mechanism, it is characterized in that: include the lifting hook pulley group for connecting crane hook and the first fixed pulley group, the second fixed pulley group, first fixed pulley group, the second fixed pulley group time interval are arranged, be formed between first fixed pulley group, the second fixed pulley group and allow bit space, described in allow bit space when lifting hook pulley group is moved from bottom to top, enable lifting hook pulley group to move to the position between the first fixed pulley group, the second fixed pulley group.
null2. lifting mechanism according to claim 1,It is characterized in that: the first fixed pulley in the same direction that the first fixed pulley group includes being coaxially disposed、Second fixed pulley in the same direction,Second fixed pulley group includes the 3rd fixed pulley in the same direction、4th in the same direction fixed pulley and commutation fixed pulley,3rd fixed pulley in the same direction、4th in the same direction fixed pulley be coaxially disposed,The pivot center of pivot center and the 3rd fixed pulley in the same direction of commutation fixed pulley is vertically arranged,Lifting hook pulley group includes the first lifting hook pulley being coaxially disposed、Second lifting hook pulley,First fixed pulley in the same direction、The pivot center of the 3rd fixed pulley and the first lifting hook pulley in the same direction is parallel to each other,Described lifting mechanism is in use,Corresponding matching used steel wire rope or chain are wrapped in the first fixed pulley in the same direction successively、First lifting hook pulley、Second fixed pulley in the same direction、Commutation fixed pulley、4th fixed pulley in the same direction、Second lifting hook pulley、Second in the same direction on fixed pulley.
3. lifting mechanism according to claim 2, it is characterized in that: described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th fixed pulley, commutation fixed pulley, the first lifting hook pulley and the second lifting hook pulley all apply to the sprocket wheel that chain is wound around in the same direction, described lifting mechanism also includes the fixed frame that hoists, described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th in the same direction fixed pulley and commutation fixed pulley be arranged at described in hoist in fixed frame, described in the fixed frame that hoists there is the installation cavity of up/down perforation.
4. lifting mechanism according to claim 3, it is characterized in that: described lifting mechanism also includes chain, one end of described chain is be connected to the fixing end hoisting on fixed frame, and the other end is for driving movable end, and the fixing end of chain is fixed on by the tractive sensor that overloads and hoists on fixed frame.
5. trolley, including travelling mechanism and lifting mechanism, it is characterized in that: described lifting mechanism includes the lifting hook pulley group for connecting crane hook and the first fixed pulley group, the second fixed pulley group, first fixed pulley group, the second fixed pulley group time interval are arranged, be formed between first fixed pulley group, the second fixed pulley group and allow bit space, described in allow bit space when lifting hook pulley group is moved from bottom to top, enable lifting hook pulley group to move to the position between the first fixed pulley group, the second fixed pulley group.
null6. trolley according to claim 5,It is characterized in that: the first fixed pulley in the same direction that the first fixed pulley group includes being coaxially disposed、Second fixed pulley in the same direction,Second fixed pulley group includes the 3rd fixed pulley in the same direction、4th in the same direction fixed pulley and commutation fixed pulley,3rd fixed pulley in the same direction、4th in the same direction fixed pulley be coaxially disposed,The pivot center of pivot center and the 3rd fixed pulley in the same direction of commutation fixed pulley is vertically arranged,Lifting hook pulley group includes the first lifting hook pulley being coaxially disposed、Second lifting hook pulley,First fixed pulley in the same direction、The pivot center of the 3rd fixed pulley and the first lifting hook pulley in the same direction is parallel to each other,Described lifting mechanism is in use,Corresponding matching used steel wire rope or chain are wrapped in the first fixed pulley in the same direction successively、First lifting hook pulley、Second fixed pulley in the same direction、Commutation fixed pulley、4th fixed pulley in the same direction、Second lifting hook pulley、Second in the same direction on fixed pulley.
7. trolley according to claim 6, it is characterized in that: described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th fixed pulley, commutation fixed pulley, the first lifting hook pulley and the second lifting hook pulley all apply to the sprocket wheel that chain is wound around in the same direction, described lifting mechanism also includes the fixed frame that hoists, described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th in the same direction fixed pulley and commutation fixed pulley be arranged at described in hoist in fixed frame, described in the fixed frame that hoists there is the installation cavity of up/down perforation.
8. crane, including trolley, trolley includes travelling mechanism and lifting mechanism, it is characterized in that: described lifting mechanism includes the lifting hook pulley group for connecting crane hook and the first fixed pulley group, the second fixed pulley group, first fixed pulley group, the second fixed pulley group time interval are arranged, be formed between first fixed pulley group, the second fixed pulley group and allow bit space, described in allow bit space when lifting hook pulley group is moved from bottom to top, enable lifting hook pulley group to move to the position between the first fixed pulley group, the second fixed pulley group.
null9. crane according to claim 8,It is characterized in that: the first fixed pulley in the same direction that the first fixed pulley group includes being coaxially disposed、Second fixed pulley in the same direction,Second fixed pulley group includes the 3rd fixed pulley in the same direction、4th in the same direction fixed pulley and commutation fixed pulley,3rd fixed pulley in the same direction、4th in the same direction fixed pulley be coaxially disposed,The pivot center of pivot center and the 3rd fixed pulley in the same direction of commutation fixed pulley is vertically arranged,Lifting hook pulley group includes the first lifting hook pulley being coaxially disposed、Second lifting hook pulley,First fixed pulley in the same direction、The pivot center of the 3rd fixed pulley and the first lifting hook pulley in the same direction is parallel to each other,Described lifting mechanism is in use,Corresponding matching used steel wire rope or chain are wrapped in the first fixed pulley in the same direction successively、First lifting hook pulley、Second fixed pulley in the same direction、Commutation fixed pulley、4th fixed pulley in the same direction、Second lifting hook pulley、Second in the same direction on fixed pulley.
10. crane according to claim 9, it is characterized in that: described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th fixed pulley, commutation fixed pulley, the first lifting hook pulley and the second lifting hook pulley all apply to the sprocket wheel that chain is wound around in the same direction, described lifting mechanism also includes the fixed frame that hoists, described first in the same direction fixed pulley, second in the same direction fixed pulley, the 3rd in the same direction fixed pulley, the 4th in the same direction fixed pulley and commutation fixed pulley be arranged at described in hoist in fixed frame, described in the fixed frame that hoists there is the installation cavity of up/down perforation.
CN201620098599.1U 2016-02-01 2016-02-01 Hoist and trolley and hoisting mechanism thereof Expired - Fee Related CN205367561U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105502195A (en) * 2016-02-01 2016-04-20 王历鑫 Crane as well as crane carriage and lifting mechanism thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105502195A (en) * 2016-02-01 2016-04-20 王历鑫 Crane as well as crane carriage and lifting mechanism thereof

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