CN205892580U - Decide brachium counter weight formula portal slewing crane - Google Patents

Decide brachium counter weight formula portal slewing crane Download PDF

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Publication number
CN205892580U
CN205892580U CN201620689827.2U CN201620689827U CN205892580U CN 205892580 U CN205892580 U CN 205892580U CN 201620689827 U CN201620689827 U CN 201620689827U CN 205892580 U CN205892580 U CN 205892580U
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CN
China
Prior art keywords
fixed
pulley
brachium
counter weight
lifting
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201620689827.2U
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Chinese (zh)
Inventor
吕成军
吕成宾
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MA'ANSHAN SHUANGLI LIFTING EQUIPMENT MACHINERY MANUFACTURING Co Ltd
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MA'ANSHAN SHUANGLI LIFTING EQUIPMENT MACHINERY MANUFACTURING Co Ltd
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Priority to CN201620689827.2U priority Critical patent/CN205892580U/en
Application granted granted Critical
Publication of CN205892580U publication Critical patent/CN205892580U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a decide brachium counter weight formula portal slewing crane belongs to hoisting equipment technical field. The utility model discloses a follow the supreme base that connects gradually, drum, ladder railing system, revolving stage, computer lab and head tree down, still include amplitude changing device and counterweight, wherein: the head tree vertical fixation is put in revolving stage central point, ladder railing system includes the spiral helicine ladder between 3 layers of railing circle and each layer, first layer railing circle is fixed in the drum periphery, the second floor is fixed in the computer lab top, top layer railing circle is fixed in the top of head tree, amplitude changing device is fixed in in the top layer railing circle, the counterweight is fixed in the bottom opposite side relative with the cantilever crane of revolving stage. The utility model discloses a lift assembly pulley and the combination that becomes width of cloth assembly pulley have realized going up and down and the purpose that becomes width of cloth synergism, through carousel bottom counter weight, have reduced the carousel both sides and have received the force unbalance, only need to increase assembly pulley, wire rope and counterweight can, the cost of manufacture is low.

Description

A kind of determine brachium counter weight type gantry crane
Technical field
This utility model is related to technical field of crane equipment, more particularly, to a kind of determines brachium counter weight type gantry crane.
Background technology
Crane gear is divided into gantry crane, bridge crane, beam cranes and cantilever crane by device structure, its Middle gantry crane main representative equipment is straddle truck, and it is Bridge Erector that bridge crane mainly represents equipment, cantilever crane master Equipment to be represented is tower crane.Gantry crane is mainly used in the lifting in construction site, factory floor and shipyard harbour weight, water Translate the work operations such as dynamic.Gantry crane is mainly by hoisting overhead travelling crane, girder, supporting leg, walking mechanism and electric hydraulic system group Become.Its operation principle is: using the hoisting overhead travelling crane being arranged on girder by heavy lift, supporting leg upper end couples girder, under End is coupled with walking mechanism, by being arranged on the driving of motor in walking mechanism, realizes the effect of crane movement on rail, Hoisting overhead travelling crane also can be walked on girder simultaneously, finally realizes for weight hanging, from a place, the effect moving on to another place.
High pedestal jib crane is as what the development of harbour cause got up.1890, for the first time can not by amplitude The fixed rotatable jib-type crane becoming is contained on operation type half gate seat being across above narrow harbour, becomes the port of early stage With half gantry crane with harbour width increasing, gate seat and half gantry crane develop side by side, and commonly used pitch arm Frame and level luffing system.After World War II, port gantry crane develops rapidly for ease of multiple stage crane to same Article one, ship is worked side by side, commonly used rotating part rotary-column type gantry crane even with column body phase, or rotation section Divide the rolling bearing type supporting rotaring device being connected with gate seat by big bearing, to reduce the tail footpath of rotating part, and employ Reduce the gate seat structure that face (projection to ground for the gate seat main body) covered by harbour.In evolution, gantry crane is also progressively Promote the use of the operating condition building berth close with harbour and power station building site etc..
The lifting structure of existing high pedestal jib crane there are raising and luffing conversion is complicated, the asking of inconvenient operation Topic, is additionally, since the side single load bearing of rotating disk arm support stress, rotating disk force unbalance, have impact on the service life of rotating disk.
Through retrieval, Publication No. cn104891350a, the Chinese patent of publication date 2015.09.09 discloses a kind of gate seat Formula crane suspension system, it includes turntable, upper rotary column, big pull bar, arm support and trunk beam, and described turntable is rotatablely arranged at On the door frame of crane, described upper rotary column is arranged on described turntable, and wherein, one end of described big pull bar is articulated with described upper turn The upper end of post, one end of the hinged described trunk beam of the other end, the other end of described trunk beam stretches out lifting steel wire connecting shackle, institute The one end stating arm support is articulated with described turntable, and the other end is articulated with the middle part of described trunk beam, and described arm support is drawn greatly with described It is hinged with lower link bar, one end that described lower link bar is connected with described big pull bar is provided with bascule, described lower link bar between bar It is connected with driving tooth bar with the hinged place of described arm support, cooperation drives tooth bar to be provided with driving gear on described upper rotary column.Should Utility model realizes luffing by the lifting and decline increasing baroque trunk beam, increased manufacturing cost.
Utility model content
1. utility model technical problem to be solved
Make for the lifting of high pedestal jib crane present in prior art and luffing conversion complicated, existing increase trunk beam High cost, the problem of rotating disk force unbalance, this utility model provides a kind of determines brachium counter weight type gantry crane.It passes through The combination of lifting pulley group and luffing assembly pulley achieves lifting and the synergistic purpose of luffing, by rotating disk bottom weight, Reduce the imbalance of rotating disk both sides stress, only need to increase assembly pulley, steel wire rope and counterweight, low manufacture cost.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that this utility model provides is:
A kind of determine brachium counter weight type gantry crane, including the pedestal being sequentially connected from bottom to up, cylinder, ladder rail system System, turntable, machine room and head tree, also include jib lubbing mechanism and counterweight;Wherein: described head tree is perpendicularly fixed at turntable center Position;Described ladder rail system includes the spiral helicine ladder between 3 layers of railing circle and each layer;Ground floor railing circle is fixed In cylinder periphery;The second layer is fixed on machine room top;Top layer railing circle is fixed on the top of head tree;Described jib lubbing mechanism is fixed In top layer railing circle, to realize the effect of lifting amplitude of variation, only need to increase luffing assembly pulley and steel wire rope, be fabricated to This is low;Described counterweight is fixed on the bottom of turntable, the opposite side relative with arm support, to mitigate turntable both sides stress not as far as possible Poised state.
Preferably, jib lubbing mechanism includes amplitude-changing drum, luffing pulley a and variable-amplitude steel wire rope;One end of variable-amplitude steel wire rope is solid On amplitude-changing drum, the other end is fixed on the head of arm support after bypassing luffing pulley a, three simply coordinates, that is, achieved Weight amplitude change, simple to operate additionally it is possible to cooperation lifting height change.
Preferably, jib lubbing mechanism also includes the luffing pulley b being fixed on arm support head;The variable-amplitude steel wire rope other end successively around It is fixed on head tree after crossing luffing pulley a and luffing pulley b, sister block structure, play labour-saving effect.
Preferably, also include elevating mechanism, described elevating mechanism includes lifting pulley a, lifting pulley b, lifting wire rope With load power takeoff;After one end of lifting wire rope and load power takeoff connect, the other end bypass successively lifting pulley b and It is fixedly connected with suspension hook after lifting pulley a;Described lifting pulley a is fixed on the top of arm support, and the sister block of elevating mechanism is joined Put, it is possible to increase loading, lifting efficiency high.
Preferably, pedestal is Reinforced Concrete Materials, is inside embedded with least 4 barbs, and shank passes through flange and bolt It is fixedly connected with cylinder, to ensure stability during crane load.
Preferably, second layer railing circle setting drivers' cab, the operator seat visual field is towards arm support, highly properly, the space in the visual field Effect is good.
Preferably, the bottom side of arm support is provided with steady rope device, is connected by steel wire rope and weight, weight can be prevented to be subject to wind effect Swing, improve the stability of lifting height and amplitude of variation.
Preferably, the forward sight glass pane of drivers' cab is provided with wiper.Driver can be allowed to tackle rainy weather, raining When also enable lifting work.
Preferably, it is connected with brace between top layer railing circle and second layer railing circle, brace is fixed with luffing limit Position device, the top of luffing stop, towards arm support, prevents amplitude excessive variation, touches pedestal.
Preferably, all pulleys are rolling pulley, can tackle the working condition of complexity, long service life, pulley is minimum straight Footpath is not less than 25 times of wirerope diameter, and 5 ° of angle < of deflection when steel wire rope passes in and out pulley, to ensure steel wire rope force direction Concordance, it is to avoid produce twisting power impact lifting and luffing.
3. beneficial effect
The technical scheme being provided using this utility model, compared with prior art, is had the advantages that
(1) of the present utility model a kind of determine brachium counter weight type gantry crane, the jib lubbing mechanism in top layer railing circle can Realize the effect of lifting amplitude of variation, counterweight is fixed on the bottom of turntable, alleviate the imbalance of rotating disk both sides stress, only need Increase luffing assembly pulley, steel wire rope and counterweight, low manufacture cost;
(2) of the present utility model a kind of brachium counter weight type gantry crane, amplitude-changing drum, luffing pulley a and luffing steel are determined The simple cooperation of cord, that is, achieve the change of lifting amplitude, simple to operate, can coordinate the change of lifting height;
(3) of the present utility model a kind of determine brachium counter weight type gantry crane, the sister block structure of luffing assembly pulley, play Labour-saving effect;
(4) of the present utility model a kind of determine brachium counter weight type gantry crane, the sister block configuration of elevating mechanism, Neng Gouti High load capacity amount, lifting efficiency high;
(5) of the present utility model a kind of determine brachium counter weight type gantry crane, Reinforced Concrete Materials, be inside embedded with least 4 barbs, to ensure stability during crane load;
(6) of the present utility model a kind of determine brachium counter weight type gantry crane, second layer railing circle arranges drivers' cab, highly Properly, the Space in the visual field is good;
(7) of the present utility model a kind of determine brachium counter weight type gantry crane, steady rope device can prevent weight to be subject to wind effect Swing, improve the stability of lifting height and amplitude of variation;
(8) of the present utility model a kind of determine brachium counter weight type gantry crane, wiper can allow driver reply rainy day sky Gas, also enables lifting work when rainy;
(9) of the present utility model a kind of determine brachium counter weight type gantry crane, luffing stop can prevent the excessive of amplitude Change and allow weight to touch to pedestal, thus protecting pedestal;
(10) of the present utility model a kind of determine brachium counter weight type gantry crane, rolling pulley can tackle complicated operating mode bar Part, long service life, pulley minimum diameter is not less than 25 times of wirerope diameter, angle < of deflection when steel wire rope passes in and out pulley 5 °, to ensure the concordance of steel wire rope force direction, it is to avoid produce the impact lifting of twisting power and luffing.
Brief description
Fig. 1 is structural representation of the present utility model.
Label declaration in schematic diagram: 1, pedestal;2nd, cylinder;3rd, ladder rail system;4th, turntable;5th, machine room;6th, luffing Reel;7th, head tree;8th, luffing pulley a;9th, luffing pulley b;10th, lifting pulley a;11st, lifting pulley b;12nd, luffing steel wire Rope;13rd, lifting wire rope;14th, drivers' cab;15th, arm support;16th, surely restrict device;17th, suspension hook;18th, weight;19th, brace;20th, become Width stop;21st, barb;31st, top layer railing circle;41st, counterweight.
Specific embodiment
For further appreciating that content of the present utility model, in conjunction with accompanying drawing, this utility model is described in detail.
Embodiment 1
The a kind of of the present embodiment determines brachium counter weight type gantry crane, as shown in figure 1, what inclusion was sequentially connected from bottom to up Pedestal 1, cylinder 2, ladder rail system 3, turntable 4, machine room 5 and head tree 7 it is characterised in that: also include jib lubbing mechanism and joining Heavy mail;Wherein: head tree 7 is perpendicularly fixed at turntable 4 center;Ladder rail system 3 include 3 layers of railing circle and each layer it Between spiral helicine ladder;Ground floor railing circle is fixed on cylinder 2 periphery;The second layer is fixed on machine room 5 top;Top layer railing circle 31 tops being fixed on head tree 7;Jib lubbing mechanism is fixed in top layer railing circle 31, including amplitude-changing drum 6, luffing pulley a8 and Variable-amplitude steel wire rope 12;One end of variable-amplitude steel wire rope 12 is fixed on amplitude-changing drum 6, and the other end is fixed on after bypassing luffing pulley a8 The head of arm support 15.Counterweight 41 is fixed on the bottom of turntable 4, the opposite side relative with arm support 15.
The a kind of of the present embodiment determines brachium counter weight type gantry crane, amplitude-changing drum 6, luffing pulley a8 and variable-amplitude steel wire rope 12 simple cooperation, that is, achieve the change of lifting amplitude, simple to operate, can coordinate the change of lifting height, only needs to increase Luffing assembly pulley and steel wire rope, low manufacture cost.Counterweight alleviates the unbalanced state of turntable 4 both sides stress.
Embodiment 2
The a kind of of the present embodiment determines brachium counter weight type gantry crane, and with embodiment 2, improvements exist its basic structure In: as shown in figure 1, also including elevating mechanism, elevating mechanism includes lifting pulley a10, lifting pulley b11, lifting wire rope 13 With load power takeoff;Behind one end of lifting wire rope 13 and the connection of load power takeoff, the other end bypasses lifting pulley successively B11 is fixedly connected with suspension hook 17 with after lifting pulley a10;Lifting pulley a10 is fixed on the top of arm support 15, elevating mechanism Sister block configures, it is possible to increase loading, lifting efficiency high.Jib lubbing mechanism also includes being fixed on the luffing pulley of arm support 15 head b9;The other end of variable-amplitude steel wire rope 12 is fixed on head tree 7 after bypassing luffing pulley a8 and luffing pulley b9 successively, sister block Structure, plays labour-saving effect.
Embodiment 3
The a kind of of the present embodiment determines brachium counter weight type gantry crane, and with embodiment 2, improvements exist its basic structure In: pedestal 1 is Reinforced Concrete Materials, is inside embedded with least 4 barbs 21, and shank passes through flange and bolt and cylinder 2 is solid Fixed connection, to ensure stability during crane load.Second layer railing circle arranges drivers' cab 14, and the operator seat visual field is towards arm support 15, highly properly, the Space in the visual field is good.It is provided with wiper on the forward sight glass pane of drivers' cab 14.Driver can be allowed to answer To rainy weather, also enable lifting work when rainy.
Embodiment 4
The a kind of of the present embodiment determines brachium counter weight type gantry crane, and with embodiment 3, improvements exist its basic structure In: the bottom side of arm support 15 is provided with steady rope device 16, is connected by steel wire rope and weight 18, can prevent weight from being put by wind effect Dynamic, improve the stability of lifting height and amplitude of variation.It is connected with brace between top layer railing circle 31 and second layer railing circle 19, brace 19 is fixed with luffing stop 20, the top of luffing stop 20, towards arm support 15, prevents amplitude from excessively becoming Change, touch pedestal 1.All pulleys are rolling pulley, can tackle the working condition of complexity, long service life, pulley is minimum straight Footpath is not less than 25 times of wirerope diameter, and 5 ° of angle < of deflection when steel wire rope passes in and out pulley, to ensure steel wire rope force direction Concordance, it is to avoid produce twisting power impact lifting and luffing.
Below schematically this utility model and embodiments thereof are described, this description does not have restricted, accompanying drawing Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area Those of ordinary skill enlightened by it, without departing from this utility model create objective in the case of, design without creative The frame mode similar to this technical scheme and embodiment, all should belong to protection domain of the present utility model.

Claims (7)

1. a kind of determine brachium counter weight type gantry crane, including the pedestal (1) being sequentially connected from bottom to up, cylinder (2), ladder hurdle Lever system (3), turntable (4), machine room (5) and head tree (7) it is characterised in that: also include jib lubbing mechanism and counterweight (41);Its In: described head tree (7) is perpendicularly fixed at turntable (4) center;Described ladder rail system (3) include 3 layers of railing circle with And the spiral helicine ladder between each layer;Ground floor railing circle is fixed on cylinder (2) periphery;The second layer is fixed on machine room (5) top Portion;Top layer railing circle (31) is fixed on the top of head tree (7);Described jib lubbing mechanism is fixed in top layer railing circle (31);Institute State the bottom that counterweight (41) is fixed on turntable (4), the opposite side relative with arm support (15);
Described jib lubbing mechanism includes amplitude-changing drum (6), luffing pulley a (8) and variable-amplitude steel wire rope (12);Variable-amplitude steel wire rope (12) One end is fixed on amplitude-changing drum (6), and the other end is fixed on the head of arm support (15) after bypassing luffing pulley a (8);
Described jib lubbing mechanism also includes luffing pulley b (9) being fixed on arm support (15) head;The other end of variable-amplitude steel wire rope (12) It is fixed on head tree (7) after bypassing luffing pulley a (8) and luffing pulley b (9) successively;
Also include elevating mechanism, described elevating mechanism includes lifting pulley a (10), lifting pulley b (11), lifting wire rope (13) With load power takeoff;Behind one end of lifting wire rope (13) and the connection of load power takeoff, the other end bypasses lifting successively and slides Wheel b (11) is fixedly connected with suspension hook (17) afterwards with lifting pulley a (10);Described lifting pulley a (10) is fixed on arm support (15) Top.
2. according to claim 1 a kind of determine brachium counter weight type gantry crane it is characterised in that: described pedestal (1) is Reinforced Concrete Materials, is inside embedded with least 4 barbs (21), and shank passes through flange and bolt is fixedly connected with cylinder (2).
3. according to claim 1 a kind of determine brachium counter weight type gantry crane it is characterised in that: described second layer railing Circle setting drivers' cab (14), the operator seat visual field is towards arm support (15).
4. according to claim 3 a kind of determine brachium counter weight type gantry crane it is characterised in that: described arm support (15) Bottom side is provided with steady rope device (16), is connected by steel wire rope and weight (18).
5. according to claim 3 a kind of determine brachium counter weight type gantry crane it is characterised in that: described drivers' cab (14) Forward sight glass pane on be provided with wiper.
6. according to claim 3 a kind of determine brachium counter weight type gantry crane it is characterised in that: described top layer railing circle (31) it is connected with brace (19) and second layer railing circle between, brace (19) is fixed with luffing stop (20), luffing The top of stop (20) is towards arm support (15).
7. according to claim 6 a kind of determine brachium counter weight type gantry crane it is characterised in that: all pulleys be rolling Pulley, pulley minimum diameter is not less than 25 times of wirerope diameter, 5 ° of angle < of deflection when steel wire rope passes in and out pulley.
CN201620689827.2U 2016-06-30 2016-06-30 Decide brachium counter weight formula portal slewing crane Expired - Fee Related CN205892580U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106946171A (en) * 2017-05-11 2017-07-14 中船第九设计研究院工程有限公司 A kind of single-cantilever-crane gantry crane counterweight self-regulation structure
CN107117544A (en) * 2017-06-12 2017-09-01 无锡石油化工起重机有限公司 The derrick crane of multilayer high-altitude storage is installed
CN109052192A (en) * 2018-09-14 2018-12-21 江苏政田重工股份有限公司 A kind of energy-efficient marine hanging apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106946171A (en) * 2017-05-11 2017-07-14 中船第九设计研究院工程有限公司 A kind of single-cantilever-crane gantry crane counterweight self-regulation structure
CN107117544A (en) * 2017-06-12 2017-09-01 无锡石油化工起重机有限公司 The derrick crane of multilayer high-altitude storage is installed
CN109052192A (en) * 2018-09-14 2018-12-21 江苏政田重工股份有限公司 A kind of energy-efficient marine hanging apparatus

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20170118

Termination date: 20170630