CN105110200A - Three-beam double-trolley rail type container portal crane - Google Patents

Three-beam double-trolley rail type container portal crane Download PDF

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Publication number
CN105110200A
CN105110200A CN201510614136.6A CN201510614136A CN105110200A CN 105110200 A CN105110200 A CN 105110200A CN 201510614136 A CN201510614136 A CN 201510614136A CN 105110200 A CN105110200 A CN 105110200A
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China
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girder
equalizer
driving wheel
pulley
assembly
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CN201510614136.6A
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CN105110200B (en
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梁奕普
张维友
黄义科
王剑国
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China Railway Wuxin Heavy Industry Co Ltd
Hunan China Railway Wuxin Heavy Industry Co Ltd
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Hunan China Railway Wuxin Heavy Industry Co Ltd
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Abstract

The invention provides a three-beam double-cart rail type container portal crane and belongs to the field of lifting equipment. The crane comprises a three-beam portal, a large trolley travelling mechanism, a small trolley assembly, a container sling and an electronic control system. The crane comprises three main beams and two trolley assemblies; during operation, the trolley assemblies are suitable for independent operation; meanwhile, operation efficiency of container handling is greatly improved on the basis of slightly increasing floor area and equipment cost; compared with a traditional way of co-use of multiple cranes, the crane is beyond comparison, input can be greatly saved, cost can be greatly lowered, and benefit can be greatly improved.

Description

A kind of three beam double trolley rail-mounted gantry container crane
Technical field
The present invention relates to weight-lifting equipment field, in particular to a kind of three beam double trolley rail-mounted gantry container crane.
Background technology
Hoisting crane is one of equipment that industrial circle is conventional, especially in work-yards such as sea port docks.Along with the fast development of modern container terminal, the handling efficiency of freight container needs to improve.
Track type container crane at present for loading and unloading container is twin beams single crab structure, and can only lift by crane once, efficiency comparison is low at every turn, as wanted to raise the efficiency, must increase crane facility; Add the increase that crane facility will inevitably cause cost.Therefore, existing hoisting crane can not meet the fast development of modernization industry.
Summary of the invention
The invention provides a kind of three beam double trolley rail-mounted gantry container crane, be intended to solve the problem.
The present invention is achieved in that
A kind of three beam double trolley rail-mounted gantry container crane, comprise three Liangmen framves, traveling mechanism of the larger traveller, dolly assembly, container spreader and electric-control system;
Described three Liangmen framves comprise girder and supporting leg; Described girder comprises middle girder and is symmetricly set on its both sides and in parallel two side girders, and the two ends of each root side girder are connected respectively by the two ends of end carriage with described middle girder; Described supporting leg has many and is vertically installed in the bottom of girder, is connected with cross sill between supporting leg, and the bottom of each root supporting leg is provided with traveling mechanism of the larger traveller described in a group;
Described in each root, the top of side girder is provided with track along its length, and the both sides at described middle girder top are provided with two tracks along its length; Dolly assembly described in one group is all set up between each root side girder and middle girder; The bottom of each group dolly assembly is equipped with described container spreader, and dolly assembly is electrically connected with described electric-control system.
The hoisting crane of this structure, comprise three girders and two groups of dolly assemblies, operationally two groups of dolly assemblies can work independently, loading and unloading container simultaneously, the basis of slightly improving floor area and equipment cost improves operating efficiency significantly, compare traditional many groups hoisting crane with the use of mode there is unrivaled advantage, significantly can save input, reduce costs, increase the benefit.
Further, described dolly assembly comprises trolley frame and driver's cab, and described driver's cab is connected to the below of trolley frame by driver's cab support; Described trolley frame is provided with lifting mechanism, and this lifting mechanism is connected with described container spreader by steel rope.
Operating personal is positioned at driver's cab and controls whole dolly assembly.Dolly assembly driver's cab when mobile is also in mobile status, enables operating personal see the working condition of dolly assembly timely and accurately, sees the position of freight container clearly, and then makes and judging accurately.
Further, described lifting mechanism comprises the assembly that hoists of two groups of symmetries, each group hoist assembly comprise successively be connected electrical motor, disc couplin, reductor and plate disc brake, the two ends of the high speed shaft of described reductor are connected with disc couplin and plate disc brake respectively, the slow-speed shaft of reductor is connected with reel group, and two plate disc brakies of two groups of assemblies that hoist are connected by universal coupling.
Further, described container spreader is connected with lifting tool rotating device, container spreader can be made to rotate in horizontal surface by this lifting tool rotating device; Described steel rope has two groups, and each group steel rope has two;
Wherein in one group of steel rope, one end of two steel ropes is individually fixed in the reel group of two assemblies that hoist, and the other end is fixed on trolley frame after walking around the pulley on container spreader; In another group steel rope, one end of two steel ropes is individually fixed in the reel group of two assemblies that hoist, and the other end is walked around assembly pulley and is connected with described lifting tool rotating device;
Described assembly pulley has symmetrically arranged two groups, and each group assembly pulley includes vertically disposed first fixed pulley and the second fixed pulley.
Lifting tool rotating device is existing apparatus, for rotation container spreader, and then plays the effect of rotary collecting vanning.In first group of steel rope, one end of two steel ropes is individually fixed in the reel group of two assemblies that hoist, and the other end is fixed on trolley frame after walking around the pulley on container spreader, and reel group, when rotating, can drive container spreader to run by pulley.
Further, the bottom of described trolley frame is each side provided with one group of car wheel, and each group car wheel comprises at least two spaced rollers; Described car wheel is driven by wheeling mechanism.
Further, each is organized described traveling mechanism of the larger traveller and comprises the first equalizer and the second equalizer, and described second equalizer is articulated with the bottom of supporting leg, and the first equalizer is articulated with the bottom of the second equalizer;
The bottom-hinged of described first equalizer has driving wheel mechanism and driven pulley mechanism, and described driving wheel mechanism is driven by driver train.
Further, the two ends of side girder described in each root are provided with a side supports leg, and the two ends of described middle girder are respectively provided with a midship mounting leg;
In the traveling mechanism of the larger traveller connected bottom described midship mounting leg, the bottom of the second equalizer is hinged with two the first equalizers in interval along its length, the external side end of two the first equalizers is respectively hinged with driving wheel mechanism described in a group, and the medial extremity of two the first equalizers is respectively hinged with driven pulley mechanism described in a group;
In the traveling mechanism of the larger traveller connected bottom described side supports leg, the bottom end of the second equalizer is hinged with driving wheel mechanism, and the other end is hinged with the first equalizer, and the two ends bottom this first equalizer are hinged with one group of driving wheel mechanism and driven pulley mechanism.
Further, described driving wheel mechanism comprises driving wheel vehicle frame and two adhesion wheel groups, and described driver train is located on driving wheel vehicle frame, and driver train is connected with two adhesion wheel groups by idle pulley.
Further, each group driving wheel mechanism driving wheel vehicle frame on the iron be equipped with for braking carve.
Further, the bottom of described supporting leg is connected with the Windproof inhaul cable be obliquely installed; The bottom of described cross sill is provided with multiple anchoring device.
The invention has the beneficial effects as follows: the three beam double trolley rail-mounted gantry container crane that the present invention is obtained by above-mentioned design, comprise three girders and two groups of dolly assemblies, operationally two groups of dolly assemblies can work independently, loading and unloading container simultaneously, the basis of slightly improving floor area and equipment cost improves operating efficiency significantly, compare traditional many groups hoisting crane with the use of mode there is unrivaled advantage, significantly can save input, reduce costs, increase the benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of three Liangmen framves in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Fig. 2 is the birds-eye view of three Liangmen framves in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Fig. 3 is the lateral plan of three Liangmen framves in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Fig. 4 is the front view of the three beam double trolley rail-mounted gantry container crane that embodiment of the present invention provides;
Fig. 5 is the birds-eye view of the three beam double trolley rail-mounted gantry container crane that embodiment of the present invention provides;
Fig. 6 is the lateral plan of the three beam double trolley rail-mounted gantry container crane that embodiment of the present invention provides;
Fig. 7 is the front view of dolly assembly in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Fig. 8 is the birds-eye view of dolly assembly in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Fig. 9 is the birds-eye view of lifting mechanism in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Figure 10 is the front view of the first traveling mechanism of the larger traveller in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Figure 11 is the front view of the second traveling mechanism of the larger traveller in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention;
Figure 12 is the front view of anchoring device in the three beam double trolley rail-mounted gantry container crane that provide of embodiment of the present invention.
Figure acceptance of the bid note is respectively:
Middle girder 101; Side girder 102; End carriage 103; Midship mounting leg 104; Side supports leg 105; Cross sill 106; Track 107; Dolly block seat 108;
Dolly assembly 201; Three Liangmen framves 202; Traveling mechanism of the larger traveller 203; Container spreader 204; Trolley frame 205; Driver's cab 206; Driver's cab support 207; Lifting mechanism 208; Steel rope 209; Electrical motor 210; Disc couplin 211; Reductor 212 plate disc brake 213; Reel group 214; Lifting tool rotating device 215; First fixed pulley 216; Second fixed pulley 217; Car wheel 218; First equalizer 219; Second equalizer 220; Driving wheel mechanism 221; Driven pulley mechanism 222; Driver train 223; Driving wheel vehicle frame 224; Adhesion wheel group 225; Idle pulley 226; Iron carves 227; Windproof inhaul cable 228; Anchoring device 229; Universal coupling 230.
Detailed description of the invention
For making the object of embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in embodiment of the present invention, technical scheme in embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Therefore, below to the detailed description of the embodiments of the present invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " cw ", orientation or the position relationship of the instruction such as " conter clockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Refer to Fig. 1-Figure 12
The three beam double trolley rail-mounted gantry container crane that present embodiment provides, comprise three Liangmen framves 202, traveling mechanism of the larger traveller 203, dolly assembly 201, container spreader 204 and electric-control system.
This three beam double trolley rail-mounted gantry container crane are mainly used in loading and unloading container, also can be applicable to other occasions through simple change.Can referred to as hoisting crane.Three Liangmen framves 202 are the supporting component of this hoisting crane, are used for supporting trolley assembly 201 and miscellaneous part, and traveling mechanism of the larger traveller 203 is arranged on the bottom of three Liangmen framves 202, moves for driving three Liangmen framves 202; Dolly assembly 201 is arranged on the top of three Liangmen framves 202, for slinging freight container drive it to move.Electric-control system, for controlling each operation parts, makes it normally run.
Three Liangmen framves 202 comprise girder and supporting leg; Girder comprises middle girder 101 and is symmetricly set on its both sides and in parallel two side girders 102, and the two ends of each root side girder 102 are connected respectively by the two ends of end carriage 103 with middle girder 101; Supporting leg has many and is vertically installed in the bottom of girder, is connected with cross sill 106 between supporting leg, and the bottom of each root supporting leg is provided with one group of traveling mechanism of the larger traveller 203.
The top of each root side girder 102 is provided with track 107 along its length, and the both sides at middle girder 101 top are provided with two tracks 107 along its length; One group of dolly assembly 201 is all set up between each root side girder 102 and middle girder 101; The bottom of each group dolly assembly 201 is equipped with container spreader 204, and dolly assembly 201 is electrically connected with electric-control system.
All define the installation portion of a placement dolly assembly 201 between each root side girder 102 and middle girder 101, the two ends of each group dolly assembly 201 are placed on side girder 102 and middle girder 101 respectively.Girder serves the effect of supporting trolley assembly 201, and supporting leg serves the effect of support girder.The two ends of end carriage 103 connection side girder 102 and middle girder 101, as shown in the figure, side girder 102, middle girder 101 and end carriage 103 define the main beam structure of " day " font, the stabilized structure of this girder, can stably supporting trolley assembly 201, there will not be in use procedure and rock.This hoisting crane is mainly used in harbour, and harbour sea wind is comparatively large, and the girder of this structure can resist the impact of sea wind preferably.
Supporting leg has many and is vertically installed in the bottom of girder, and concrete set-up mode can be varied, can play stable support effect; Be connected with cross sill 106 between supporting leg, concrete connection mode also can be varied.
The top of side girder 102 and middle girder 101 is provided with track 107, and dolly assembly 201 is placed on girder top, and its two ends coordinate with the track 107 at side girder 102 top and the track 107 at middle girder 101 top respectively.Electric-control system, for controlling dolly assembly 201 and traveling mechanism of the larger traveller 203 etc., comprises the electrical house being arranged on girder top, the dolly be connected with dolly assembly 201 drags another cable installation, connects the cable reel arrangement of electrical house and ground power supply.In addition other equipment or parts can also be comprised.
The hoisting crane of this structure, comprise three girders and two groups of dolly assemblies 201, operationally two groups of dolly assemblies 201 can work independently, loading and unloading container simultaneously, the basis of slightly improving floor area and equipment cost improves operating efficiency significantly, compare traditional many groups hoisting crane with the use of mode there is unrivaled advantage, significantly can save input, reduce costs, increase the benefit.
As shown in Fig. 3 or Fig. 6, this hoisting crane pass by from the side similar two fan doors, be therefore called transfer crane.The weight of one group of dolly assembly 201 half born by each root side girder 102 need, and middle girder 101 need bear the weight of two groups of dolly assemblies 201, therefore making when designing and producing the sectional area of middle girder 101 be greater than the sectional area of side girder 102, firmly support effect can be played.
Further, dolly assembly 201 comprises trolley frame 205 and driver's cab 206, and driver's cab 206 is connected to the below of trolley frame 205 by driver's cab support 207; Trolley frame 205 is provided with lifting mechanism 208, and this lifting mechanism 208 is connected with container spreader 204 by steel rope 209.
Operating personal is positioned at driver's cab 206 and controls whole dolly assembly 201.Dolly assembly 201 driver's cab 206 when mobile is also in mobile status, enables operating personal see the working condition of dolly assembly 201 timely and accurately, sees the position of freight container clearly, and then makes and judging accurately.
Further, lifting mechanism 208 comprises the assembly that hoists of two groups of symmetries, each group hoist assembly comprise successively be connected electrical motor 210, disc couplin 211, reductor 212 and plate disc brake 213, the two ends of the high speed shaft of reductor 212 are connected with disc couplin 211 and plate disc brake 213 respectively, the slow-speed shaft of reductor 212 is connected with reel group 214, and two plate disc brakies 213 of two groups of assemblies that hoist are connected by universal coupling 230.
Two groups of assemblies that hoist are symmetrical arranged, and work simultaneously, evenly exert a force from the two ends of freight container, freight container is lifted reposefully and moves.Electrical motor 210 is power output part, disc couplin 211 connects the high speed shaft of electrical motor 210 and reductor 212, and plate disc brake 213 is for braking, and the slow-speed shaft of reductor 212 is connected with reel group 214, band movable reel group 214 low cruise, makes freight container be raised lentamente.Two groups of assemblies that hoist are connected by universal coupling 230, enable two groups of assembly synchronous workings that hoist, and guarantee that the displacement at freight container operationally its two ends is consistent and synchronous.
Further, container spreader 204 is connected with lifting tool rotating device 215, container spreader 204 can be made to rotate in horizontal surface by this lifting tool rotating device 215; Steel rope 209 has two groups, and each group steel rope 209 has two;
Wherein in one group of steel rope 209, one end of two steel ropes 209 is individually fixed in the reel group 214 of two assemblies that hoist, and the other end is fixed on after walking around the pulley on container spreader 204 on trolley frame 205; In another group steel rope 209, one end of two steel ropes 209 is individually fixed in the reel group 214 of two assemblies that hoist, and the other end is walked around assembly pulley and is connected with lifting tool rotating device 215;
Assembly pulley has symmetrically arranged two groups, and each group assembly pulley includes vertically disposed first fixed pulley 216 and the second fixed pulley 217.
Lifting tool rotating device 215 is existing apparatus, for rotation container spreader 204, and then plays the effect of rotary collecting vanning.In first group of steel rope 209, one end of two steel ropes 209 is individually fixed in the reel group 214 of two assemblies that hoist, the other end is fixed on after walking around the pulley on container spreader 204 on trolley frame 205, and reel group 214, when rotating, can drive container spreader 204 to run by pulley.
The first perpendicular fixed pulley 216 and the second fixed pulley 217 form the assembly pulley of turning formula, the direction that steel rope 209 walks around its end of assembly pulley is changed, can be connected with the lifting tool rotating device 215 arranged along trolley frame 205 length direction, play stable fixed effect.
Dolly assembly 201 coordinates with the track on girder, and particularly, the bottom of trolley frame 205 is each side provided with one group of car wheel 218, and each group car wheel 218 comprises at least two spaced rollers; Car wheel 218 is driven by wheeling mechanism.By this design, dolly assembly 201 can be rolled at girder top.
Traveling mechanism of the larger traveller 203 moves for driving three Liangmen framves 202, particularly, each group traveling mechanism of the larger traveller 203 comprises the bottom that the first equalizer 219 and the second equalizer 220, second equalizer 220 are articulated with supporting leg, and the first equalizer 219 is articulated with the bottom of the second equalizer 220;
The bottom-hinged of the first equalizer 219 has driving wheel mechanism 221 and driven pulley mechanism 222, and driving wheel mechanism 221 is driven by driver train 223.
Driving wheel mechanism 221 is driving mechanism, is driven by driver train 223, driven pulley mechanism 222 can be driven to move time mobile.Driving wheel mechanism 221 and driven pulley mechanism 222 are all hinged with the first equalizer 219, Shi Ge mechanism can rotate relative to the first equalizer 219, can, according to the automatic adjusting angle of the situation on road surface, three Liangmen framves 202 can be moved reposefully in the concrete bottom of Shi Ge mechanism that uses.First equalizer 219 and the second equalizer 220 hinged, when the second equalizer 220 bottom-hinged has many groups the first equalizer 219, during operation, each first equalizer 219 is by the automatic adjusting angle of hinged mode, makes three Liangmen framves 202 can smooth operation.
Particularly, supporting leg is design like this: the two ends of each root side girder 102 are provided with a side supports leg 105, and the two ends of middle girder 101 are respectively provided with a midship mounting leg 104; This design makes girder be connected with six roots of sensation supporting leg, can play the main beam action of stable support.
Further, be connected with a cross sill 106 between each side supports leg 105 and the midship mounting leg 104 that is adjacent, define four cross sills 106 so altogether.
On the basis of said structure, in the traveling mechanism of the larger traveller 203 connected bottom midship mounting leg 104, the bottom of the second equalizer 220 is hinged with two the first equalizers 219 in interval along its length, the medial extremity that the external side end of two the first equalizers 219 is respectively hinged with one group of driving wheel mechanism, 221, two the first equalizers 219 is respectively hinged with one group of driven pulley mechanism 222.
As shown in Figure 10, in the traveling mechanism of the larger traveller 203 of this structure, co-exist in two groups of driving wheel mechanisms 221 and two groups of driven pulley mechanism 222, it is abundant that it runs power, and driven pulley mechanism 222 quantity is more, make itself and ground (or ground rail) area of contact comparatively large, suffered by each mechanism, pressure is less, makes each device longevity longer.
In the traveling mechanism of the larger traveller 203 connected bottom side supports leg 105, the bottom end of the second equalizer 220 is hinged with driving wheel mechanism 221, the other end is hinged with the first equalizer 219, and the two ends bottom this first equalizer 219 are hinged with one group of driving wheel mechanism 221 and driven pulley mechanism 222.
As shown in figure 11, in the traveling mechanism of the larger traveller 203 of this structure, co-exist in two groups of driving wheel mechanisms 221 and one group of driven pulley mechanism 222, cost has been saved on the basis of playing support sidepiece supporting leg 105.
Further, driving wheel mechanism 221 comprises driving wheel vehicle frame 224 and two adhesion wheel groups 225, and driver train 223 is located on driving wheel vehicle frame 224, and driver train 223 is connected with two adhesion wheel groups 225 by idle pulley 226.
Driver train 223 connects idle pulley 226, and idle pulley 226 is arranged between two adhesion wheel groups 225, and two groups of adhesion wheel groups 225 can be driven during rotation to work.
On the driving wheel vehicle frame 224 of each group driving wheel mechanism 221, the iron be equipped with for braking carves 227.It is this area common components that iron carves 227, for braking, mostly is manual iron and carves 227.
The bottom of supporting leg is connected with the Windproof inhaul cable 228 be obliquely installed; The bottom of cross sill 106 is provided with multiple anchoring device 229.Windproof inhaul cable 228 one end is fixed on supporting leg, and the other end is fixed on ground, plays anti-wind action, makes the protecting against shock ability of this hoisting crane stronger.
Anchoring device 229 one end is fixed on cross sill 106, and the other end due to ground, strengthens the stability of this hoisting crane by anchoring further.Pack up Windproof inhaul cable 228 and anchoring device 229 when three Liangmen framves need mobile, retighten after moving to correct position.
In addition, a side supports leg is also provided with ladder wherein, enables staff climb up girder, and then enter driver's cab; Also be provided with ladder rail at the sidepiece of side girder 102 and middle girder 101, play protective action.
Also be provided with dolly railing in the outside of trolley frame 205, play the effect of protection.On driving wheel vehicle frame 224, the outside of driver train 223 is also provided with guardrail, for protecting driver train 223.
Also be provided with dolly block seat 108 at the two ends of girder, prevent dolly assembly 201 from dropping.
The foregoing is only the preferred embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. three beam double trolley rail-mounted gantry container crane, is characterized in that, comprise three Liangmen framves, traveling mechanism of the larger traveller, dolly assembly, container spreader and electric-control system;
Described three Liangmen framves comprise girder and supporting leg; Described girder comprises middle girder and is symmetricly set on its both sides and in parallel two side girders, and the two ends of each root side girder are connected respectively by the two ends of end carriage with described middle girder; Described supporting leg has many and is vertically installed in the bottom of girder, is connected with cross sill between supporting leg, and the bottom of each root supporting leg is provided with traveling mechanism of the larger traveller described in a group;
Described in each root, the top of side girder is provided with track along its length, and the both sides at described middle girder top are provided with two tracks along its length; Dolly assembly described in one group is all set up between each root side girder and middle girder; The bottom of each group dolly assembly is equipped with described container spreader, and dolly assembly is electrically connected with described electric-control system.
2. three beam double trolley rail-mounted gantry container crane according to claim 1, it is characterized in that, described dolly assembly comprises trolley frame and driver's cab, and described driver's cab is connected to the below of trolley frame by driver's cab support; Described trolley frame is provided with lifting mechanism, and this lifting mechanism is connected with described container spreader by steel rope.
3. three beam double trolley rail-mounted gantry container crane according to claim 2, it is characterized in that, described lifting mechanism comprises the assembly that hoists of two groups of symmetries, each group hoist assembly comprise successively be connected electrical motor, disc couplin, reductor and plate disc brake, the two ends of the high speed shaft of described reductor are connected with disc couplin and plate disc brake respectively, the slow-speed shaft of reductor is connected with reel group, and two plate disc brakies of two groups of assemblies that hoist are connected by universal coupling.
4. three beam double trolley rail-mounted gantry container crane according to claim 3, it is characterized in that, described container spreader is connected with lifting tool rotating device, container spreader can be made to rotate in horizontal surface by this lifting tool rotating device; Described steel rope has two groups, and each group steel rope has two;
Wherein in one group of steel rope, one end of two steel ropes is individually fixed in the reel group of two assemblies that hoist, and the other end is fixed on trolley frame after walking around the pulley on container spreader; In another group steel rope, one end of two steel ropes is individually fixed in the reel group of two assemblies that hoist, and the other end is walked around assembly pulley and is connected with described lifting tool rotating device;
Described assembly pulley has symmetrically arranged two groups, and each group assembly pulley includes vertically disposed first fixed pulley and the second fixed pulley.
5. three beam double trolley rail-mounted gantry container crane according to claim 3, is characterized in that, the bottom of described trolley frame is each side provided with one group of car wheel, and each group car wheel comprises at least two spaced rollers; Described car wheel is driven by wheeling mechanism.
6. three beam double trolley rail-mounted gantry container crane according to claim 1, it is characterized in that, each is organized described traveling mechanism of the larger traveller and comprises the first equalizer and the second equalizer, described second equalizer is articulated with the bottom of supporting leg, and the first equalizer is articulated with the bottom of the second equalizer;
The bottom-hinged of described first equalizer has driving wheel mechanism and driven pulley mechanism, and described driving wheel mechanism is driven by driver train.
7. three beam double trolley rail-mounted gantry container crane according to claim 6, it is characterized in that, the two ends of side girder described in each root are provided with a side supports leg, and the two ends of described middle girder are respectively provided with a midship mounting leg;
In the traveling mechanism of the larger traveller connected bottom described midship mounting leg, the bottom of the second equalizer is hinged with two the first equalizers in interval along its length, the external side end of two the first equalizers is respectively hinged with driving wheel mechanism described in a group, and the medial extremity of two the first equalizers is respectively hinged with driven pulley mechanism described in a group;
In the traveling mechanism of the larger traveller connected bottom described side supports leg, the bottom end of the second equalizer is hinged with driving wheel mechanism, and the other end is hinged with the first equalizer, and the two ends bottom this first equalizer are hinged with one group of driving wheel mechanism and driven pulley mechanism.
8. three beam double trolley rail-mounted gantry container crane according to claim 7, it is characterized in that, described driving wheel mechanism comprises driving wheel vehicle frame and two adhesion wheel groups, and described driver train is located on driving wheel vehicle frame, and driver train is connected with two adhesion wheel groups by idle pulley.
9. three beam double trolley rail-mounted gantry container crane according to claim 8, is characterized in that, on the driving wheel vehicle frame of each group driving wheel mechanism, the iron be equipped with for braking is carved.
10. three beam double trolley rail-mounted gantry container crane according to claim 1, it is characterized in that, the bottom of described supporting leg is connected with the Windproof inhaul cable be obliquely installed; The bottom of described cross sill is provided with multiple anchoring device.
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CN111392569A (en) * 2020-05-23 2020-07-10 段宏海 Use method of multifunctional overturning and hoisting equipment

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Denomination of invention: Three-beam double-trolley rail type container portal crane

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