CN206266111U - A kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane - Google Patents

A kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane Download PDF

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Publication number
CN206266111U
CN206266111U CN201621267952.0U CN201621267952U CN206266111U CN 206266111 U CN206266111 U CN 206266111U CN 201621267952 U CN201621267952 U CN 201621267952U CN 206266111 U CN206266111 U CN 206266111U
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China
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hydraulic
electrical
girder
hoisting
making field
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CN201621267952.0U
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胡腾飞
张银东
林莽
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Jiangsu Gray Hoisting Machinery Co Ltd That Rises Abruptly
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Jiangsu Gray Hoisting Machinery Co Ltd That Rises Abruptly
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Abstract

The utility model discloses a kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane, including main body load portal-framed structure, cart walking mechanism, hoisting system, dynamical system, electrical system, Hydraulic Power Transmission System and monitoring system, brakes, main body load portal-framed structure mitigates the weight of vibrative mechanism using the variable cross-section rectangle slab and girder of steel plate butt welding significantly on the premise of proof strength, reduces production cost;Hoisting system increased the stationary performance during lifting raising using four-point hoisting three-point balancing structure, walking steering mechanism is controlled using Hydraulic Power Transmission System and realizes the horizontal of crane full load, longitudinal direction and oblique climbing walking, small, good stability is impacted during operation.The utility model uses advanced design concept, equipment to be related to the technologies such as mechanical, electrical, liquid in one, have the advantages that Stability Analysis of Structures, flexible operation, safe and reliable and function integration degree are high, and practical value is notable.

Description

A kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane
Technical field
The utility model is related to crane field, especially a kind of mechanical-electrical-hydraulic integration beam making field special tyre formula lifting Machine.
Background technology
With the fast development of China's economic, process again, logistics, demand of the industry-by-industry such as infrastructure to crane In increase, as the direction that China railways, highway, Light Railway Bridge are constructed is more and more extensive, in order to meet railway, highway, light rail Needs are produced Deng bridge construction, traditional wheel track gantry crane design concept is outmoded, applying working condition limited, system authority is single And site operation requirement and client's specialization, lightness, high speed, automation and intelligentized need can not be fully met Ask.
There is raising process in lifting, displacement and transportation in the field for be applied to beam making field in existing crane The middle T-shaped beam of lifting is difficult to holding level, and smoothness problem not high has the feelings for being fully loaded with heavy duty during displacement and transport The stationary performance for horizontal, longitudinal direction, the control of oblique climbing walking and full load starting being difficult under condition and being braked is poor Problem.
How to be carried out from the mechanical electronic hydraulic integrated ruleization researched and developed, design can solve the above problems with reference to bridge job site operating mode Novel tire type crane is, it is necessary to a kind of new technical scheme is solving the above problems.
Utility model content
Utility model purpose:In order to solve the problems of prior art, it is steady that the utility model provides a kind of structure Fixed, flexible operation, the mechanical-electrical-hydraulic integration beam making field special tyre formula crane that safe and reliable and function integration degree is high.
Technical scheme:To reach above-mentioned purpose, the utility model can be adopted the following technical scheme that:A kind of mechanical-electrical-hydraulic integration Beam making field special tyre formula crane, including main body load portal-framed structure, cart walking mechanism, hoisting system, dynamical system, electricity Gas system, Hydraulic Power Transmission System and monitoring system, brakes.
The main body load portal-framed structure is the variable cross-section rectangle slab and girder of steel plate butt welding, by girder, door frame supporting leg, car Frame and supporting construction are constituted;
The cart walking mechanism include four rubber-tyred running trucks, each rubber-tyred running truck include chassis frame, Adhesion wheel group and steering cylinder, by motor car wheel group and steering cylinder and support cylinder, the support cylinder be installed on actively Wheel group and steering cylinder, by between motor car wheel group and steering cylinder;
The hoisting system includes hanging beam dolly and steel wire rope balance system on girder, the steel wire rope balance system Using four-point hoisting three-point balancing structure;
The electrical system includes PLC control centres, and lift controlling system, large vehicle walking control system, dolly turn to control System processed, realizes lift control, large vehicle walking control and dolly course changing control;
The Hydraulic Power Transmission System includes walking driving hydraulic loop, steering hydraulic loop, raising hydraulic circuit, support liquid Push back road and hydraulic booster system.
It is more highly preferred to, the girder is box-structure.
In order to reduce the weight of vibrative mechanism, the door frame supporting leg is preferably A template girder constructions.
The four-point hoisting three-point balancing structure includes four hoist engines 15, leading block 16, fixed pulley groups 17, movable pulley Group 18;Steel wire rope through hoist engine 15 out after fixed pulley group 17 is entered by leading block 16, be directly 2*8 in upper and lower pulley yoke It is secondary pass around, and be fixed on main girder steel, lifted by 4 running blocks, two of which is wound using steel cable, two other Using two single wirerope-windings, it is ensured that the equiblibrium mass distribution of box beam load.Four-point hoisting three-point balancing structure ensure that hangs Fill T-shaped beam holding level, more stable raising and landing during raising undercarriage.
Beneficial effect:A kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane disclosed in the utility model, bag Include main body load portal-framed structure, cart walking mechanism, hoisting system, dynamical system, electrical system, Hydraulic Power Transmission System and prison Control system, brakes, main body load portal-framed structure is using the variable cross-section rectangle slab and girder of steel plate butt welding in proof strength Under the premise of mitigate the weight of vibrative mechanism significantly, reduce production cost;Hoisting system uses four-point hoisting three-point balancing Structure increased the stationary performance during lifting raising, and walking steering mechanism is controlled using Hydraulic Power Transmission System and realized The horizontal of heavy-duty machine full load, longitudinal direction and oblique climbing walking, impact small, good stability during operation.The utility model is using advanced Design concept, equipment be related to the technologies such as mechanical, electrical, liquid in one, with Stability Analysis of Structures, flexible operation, safe and reliable and function Integration degree advantage high, practical value is notable.
Brief description of the drawings
Fig. 1 is the utility model specific embodiment main structure diagram;
Fig. 2 (a) is the utility model specific embodiment right side structural representation;
Fig. 2 (b) is the utility model specific embodiment left view structural representation;
Fig. 3 is the utility model specific embodiment hoisting system four-point hoisting three-point balancing structural representation.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is further elucidated, it should be understood that following specific embodiment parties Formula is merely to illustrate the utility model rather than limits scope of the present utility model, after the utility model has been read, this Modification of the art personnel to the various equivalent form of values of the present utility model falls within what the application appended claims were limited Scope.
Refer to shown in Fig. 1-Fig. 2, risen the utility model discloses a kind of mechanical-electrical-hydraulic integration beam making field special tyre formula Heavy-duty machine, including main body load portal-framed structure, cart walking mechanism, hoisting system, dynamical system 4, electrical system 9, hydraulic drive System 11 and monitoring system 8, brakes;
The main body load portal-framed structure for steel plate butt welding variable cross-section rectangle slab and girder, by girder 1, door frame supporting leg 3, Vehicle frame and supporting construction 5 are constituted;Its middle girder 1 is box-structure, and door frame supporting leg 3 is A template girder constructions;
The cart walking mechanism includes four rubber-tyred running trucks 12, and each rubber-tyred running truck includes chassis frame 13rd, adhesion wheel group and steering cylinder 6, by motor car wheel group and steering cylinder 7 and support cylinder 14, the support cylinder 14 is pacified Loaded on adhesion wheel group and steering cylinder 6, by between motor car wheel group and steering cylinder 7;Adhesion wheel group and steering cylinder 6, quilt Motor car wheel group and steering cylinder 7 provide crane ground supports and longitudinally, laterally, oblique locomotive function;Support cylinder 14 When ensureing that whole machine carries out 90 degree of steerings under case of heavy load, power is acted on by the support ball pivot seat of lower end by support cylinder 14 On ground, tire is set not receive carrying force, it is to avoid tire is destroyed by shearing force during steering.
The hoisting system includes hanging beam dolly 2 and steel wire rope balance system on girder, the steel wire rope balance system System uses four-point hoisting three-point balancing structure;Fig. 3 is referred to, the four-point hoisting three-point balancing structure includes four hoist engines 15th, leading block 16, fixed pulley group 17, running block 18;Steel wire rope through hoist engine 15 out after entered by leading block 16 Fixed pulley group 17, upper and lower pulley yoke be directly pass for 2*8 times around, and be fixed on main girder steel, lifted by 4 running blocks, its In two using steel cables winding, two other use two single wirerope-windings, it is ensured that the equilibrium of box beam load Distribution.
The Hydraulic Power Transmission System includes walking driving hydraulic loop, steering hydraulic loop, raising hydraulic circuit, support liquid Push back road and hydraulic booster system.
Walking driving hydraulic loop is high pressure variable pump, the closed circuit of variable displacement motor parallel connection fuel feeding by closed system. Variable pump, the variable of the flow of variable displacement motor are by micro-electric control system control.Realize hoofing part stepless speed regulation.
Steering hydraulic loop is the hydraulic oil provided by the high pressure variable pump of open system, by the difference of each way solenoid valve Control the open circuit of each road steering cylinder work.Steering is realized by the way of independent steering by each steering cylinder. Each cylinder action drives vehicle to turn to by micro- electric system control proportional reversing valve.
Support hydraulic pressure loop is driven by the flow of pressurized that constant displacement pump is exported by support cylinder, operates electromagnetism to change on the ground Support is completed with the action received to valve.
Raising hydraulic circuit is driven by lifting by crane the flow of pressurized that the longitudinal and transverse adjustment oil cylinder constant displacement pump of dolly is exported, using behaviour Make room control solenoid directional control valve and complete its action.Switch board operation can also be completed at the top of girder, be easy to lift by crane dolly stride Formula vertical shift.
Hydraulic booster system is constituted including fuel tank, oil inlet and oil return pipe filter, filter-press, radiator etc..
Hydraulic Power Transmission System uses stepless speed regulation by electromagnetic proportional valve and micro-electric control system, walking and lifting, realizes The change of lifting beam machine transmission speed held stationary in startup and shutdown, it is ensured that vehicle gentle start and gradual braking, impact Small, stationarity is good.
Brakes includes parking braking and stopping brake.
The electrical system 9 includes PLC control centres, and lift controlling system, large vehicle walking control system, dolly turn to control System processed, realizes lift control, large vehicle walking control and dolly course changing control;
PLC control centres realize whole logical relations and interlock as electrical control system of crane core, and its is defeated Enter for detecting each mechanism status and outer protection signal, the gear signal of left side linkage platform hoisting system operation handle is correspondence In the speed preset signal of arrangements for speed regulation, output is given according to input signal according to certain logical relation, each for controlling The operation of mechanism.PLC detects the shape of element such as spacing, trolley travelling of frequency converter running status, raising etc. of some important steps State, feeds back these for checking whether correspondence system and mechanism normally run.
Monitoring system 8 monitors picture using touch-screen, and the working condition and fault alarm and display for monitoring each mechanism can The input/output state of programmable controller, provides the user friendly man-machine interface, realizes screen menu operation mode.
A kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane of the utility model, main body load portal-framed structure is used The variable cross-section rectangle slab and girder of steel plate butt welding mitigates the weight of vibrative mechanism significantly on the premise of proof strength, drop Low production cost;Hoisting system increased the stationary performance during lifting raising using four-point hoisting three-point balancing structure, OK Walk steering mechanism and horizontal, the longitudinal and oblique climbing walking for realizing crane full load be controlled using Hydraulic Power Transmission System, Small, good stability is impacted during operation.The utility model uses advanced design concept, equipment to be related to the technologies such as mechanical, electrical, liquid in one Body, has the advantages that Stability Analysis of Structures, flexible operation, safe and reliable and function integration degree are high, and practical value is notable.

Claims (4)

1. a kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane, it is characterised in that including main body load portal-framed structure, Cart walking mechanism, hoisting system, dynamical system (4), electrical system (9), Hydraulic Power Transmission System (11) and monitoring system (8), brakes;
The main body load portal-framed structure for steel plate butt welding variable cross-section rectangle slab and girder, by girder (1), door frame supporting leg (3), Vehicle frame and supporting construction (5) are constituted;
The cart walking mechanism includes four rubber-tyred running trucks (12), and each rubber-tyred running truck includes chassis frame (13), adhesion wheel group and steering cylinder (6), by motor car wheel group and steering cylinder (7) and support cylinder (14), the support Oil cylinder (14) is installed on adhesion wheel group and steering cylinder (6), by between motor car wheel group and steering cylinder (7);
The hoisting system includes hanging beam dolly (2) and steel wire rope balance system on girder, the steel wire rope balance system Using four-point hoisting three-point balancing structure;
The electrical system (9) includes PLC control centres, lift controlling system, large vehicle walking control system, dolly course changing control System, realizes lift control, large vehicle walking control and dolly course changing control;
The Hydraulic Power Transmission System includes that walking driving hydraulic loop, steering hydraulic loop, raising hydraulic circuit, support hydraulic pressure are returned Road and hydraulic booster system.
2. beam making field special tyre formula crane according to claim 1, it is characterised in that:The girder (1) is box Structure.
3. beam making field special tyre formula crane according to claim 1, it is characterised in that:The door frame supporting leg (3) is A Template girder construction.
4. beam making field special tyre formula crane according to claim 1, it is characterised in that:3 points of 4 points of liftings are put down Weighing apparatus structure includes four hoist engines (15), leading block (16), fixed pulley groups (17), running block (18);Steel wire rope is through elevator Machine (15) out afterwards by leading block 16 enter fixed pulley group (17), upper and lower pulley yoke be directly 2*8 time pass around, and fixation On main girder steel, lifted by 4 running blocks, two of which is wound using steel cable, two other is independent using two Wirerope-winding, it is ensured that the equiblibrium mass distribution of box beam load.
CN201621267952.0U 2016-11-23 2016-11-23 A kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane Active CN206266111U (en)

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CN201621267952.0U CN206266111U (en) 2016-11-23 2016-11-23 A kind of mechanical-electrical-hydraulic integration beam making field special tyre formula crane

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108557657A (en) * 2018-05-07 2018-09-21 陈君恒 The double vehicles of one bulb rail gantry crane twin spans plate girder lift by crane operating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108557657A (en) * 2018-05-07 2018-09-21 陈君恒 The double vehicles of one bulb rail gantry crane twin spans plate girder lift by crane operating system

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