CN102602818A - Shaft linkage coordinable deck loading crane for large geotextiles-laying vessel - Google Patents

Abstract

The invention relates to a shaft linkage and coordinated deck loading crane for a large-scale laying ship, which includes four outriggers supported on the deck of the laying ship; Supported on four outriggers; more than one walking beam driven by the longitudinal traveling mechanism, and the two ends of the walking beam are slidably installed on two longitudinal beams; more than one lifting electric hoist driven by the transverse traveling mechanism, electric hoist Slidingly installed on the walking beam; centralized control room, the centralized control room is connected to the longitudinal traveling mechanism, the transverse traveling mechanism and the electric hoist. Simultaneous lifting at multiple points, many lifting points, large lifting weight, low lifting difficulty, high work efficiency, safe and reliable use, good shock resistance and cushioning performance, simple overall structure and strong operability, which solves the problem of low efficiency in traditional laying operations. It can realize efficient laying operations and is suitable for the construction of waterways and port projects.

Description

A shaft-linked and coordinated deck loading crane for large laying ships

technical field

The invention relates to a loading crane, in particular to a shaft-linked and coordinated deck loading crane used for hoisting and transporting concrete interlocking blocks on a large-scale laying ship.

Background technique

The laying ship is mainly used for laying sand-ribbed soft row, sand bag embankment core or concrete interlocking block soft row on the soft foundation riverbed of the Yangtze River and offshore waters. With the start of domestic waterway dredging, water conservancy construction, port construction and other engineering projects, the demand for laying ships is increasing, and the demand for large-scale hoisting equipment on laying ships is also increasing.

At present, the hoisting tools on the laying ship generally use ordinary hydraulic lifting devices. Generally, one to two ordinary hydraulic lifting devices are installed on the laying ship, which has relatively large limitations, low efficiency, and unsatisfactory coordination during the laying work. In order to improve the working efficiency of the laying ship and increase economic benefits, it is a very effective means to improve the working efficiency of the laying ship loading crane. Contents of the invention

In order to overcome the deficiencies of low laying coordination performance, low operation efficiency, and narrow application range in the laying ships using ordinary hydraulic cranes in the prior art, the present invention provides a laying operation that can realize the laying operation of multiple rows of parallel concrete interlocking blocks, and the operation is coordinated. , Stable, safe to use, and high laying efficiency, a large-scale laying ship with shaft linkage and coordinated deck loading crane.

The technical solution adopted by the present invention is: a shaft-linked and coordinated deck-loading crane for large-scale laying ships, which is characterized in that it includes: four legs supported on the deck of the laying ship; two transverse girders and two longitudinal girders, and the transverse girder It is connected to the longitudinal girder in twos and the connected four corners are respectively supported on four outriggers; more than one walking beam driven by the longitudinal traveling mechanism, and the two ends of the walking beam are slidably installed on the two longitudinal girders; one driven by the transverse traveling mechanism More than one electric hoist for lifting, the electric hoist is slidingly installed on the walking beam; the centralized control room, the centralized control room is connected to the longitudinal traveling mechanism, the transverse traveling mechanism and the electric lifting hoist.

Both the longitudinal traveling mechanism and the transverse traveling mechanism are driven by frequency conversion motors via rack and pinion, and the frequency conversion motors are connected to the centralized control room.

Both ends of the walking beam are hinged with folding beams, and folding beam winches are respectively provided on the two longitudinal girders, and the steel wire ropes of the folding beam winches are tensioned to connect the outer ends of the folding beams.

The longitudinal girder and the folding beam are connected through telescopic pull rods.

The two ends of the walking beam and the folded beam are hinged with inclined top columns.

The electric hoist is provided with an overload limiting device connected to the centralized control room.

The legs, the transverse girder and the longitudinal girder all adopt a truss structure.

The centralized control room is connected to the transverse girder at the front end or end of the longitudinal girder.

The outriggers, the transverse girders, the longitudinal girders, and the electric hoist are provided with a camera connected to the centralized control room.

Adopt above technical scheme, the advantage that the present invention has is;

1. More than one walking beam moves longitudinally on the longitudinal girder, and the lifting electric hoist on the walking beam loads multiple rows of parallel-arranged concrete interlocking block ships for laying operations, which greatly improves the coordination and efficiency of the operation. Stable and safe operation; independent control systems can be used for multiple longitudinal and horizontal traveling mechanisms, and the centralized control room controls multiple traveling mechanisms respectively according to the layout requirements and complexity of the layout, so as to realize the effects of layout efficiency, coordination and precision ;The vertical and horizontal traveling mechanisms are driven by variable frequency motors, which improves the maneuverability of the crane, reduces the impact during lifting operation, and further improves the smooth operation of the crane;

2. All outriggers and girders adopt truss structure, which not only reduces the self-weight, but also reduces the overall wind receiving area, which is conducive to improving the stability of laying operations;

3. The electric hoist of the crane is equipped with an overload limiting device. When the lifting reaches the set value, the overload limiting device starts to cut off the control of the electric hoist to ensure construction safety; outriggers, transverse girders, longitudinal girders, lifting The heavy electric hoist is equipped with a camera connected to the centralized control room. The operator can observe the overall driving and hoisting and transportation in the centralized control room, which is conducive to safe and stable construction; when the operator needs to operate on the ship deck, he can switch to Remote control mode, without entering the centralized control room, the driving can be controlled on the deck, which greatly improves the operability of the driving;

4. During the laying operation, the folding beam is placed in a horizontal position by controlling the wire rope of the folding beam winch to realize the outboard operation of the laying ship, and the folding beam is stably tightened with the telescopic pull rod; The folded beam is retracted, and the top column is used to realize the mechanical fixation after the folded beam is retracted, so as to ensure the safety of driving and ships during towing.

The invention can realize multi-point simultaneous hoisting, many hoisting points, large hoisting weight, low hoisting difficulty, high work efficiency, safe and reliable use, good shockproof buffer performance, simple overall structure, strong operability, and solves the problem of traditional laying operation efficiency It can realize efficient laying operations, and is suitable for the construction of waterways and ports.

Description of drawings

Fig. 1 is the structural representation when paving operation of the present invention;

Fig. 2 is a left side view of Fig. 1 .

In the figure: deck 1, outrigger 2, transverse girder 3, longitudinal girder 4, walking girder 5, upper girder 6, lower girder 61, folding girder 7, longitudinal traveling mechanism 8, transverse traveling mechanism 9, electric hoist 10, Folding beam winch 11, steel wire rope 12, telescopic pull rod 13, top column 14, centralized control room 15.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing.

As shown in Figures 1 and 2, a shaft linkage and coordinated deck loading crane for large-scale laying ships includes outriggers 2, transverse girders 3, longitudinal girders 4, traveling beams 5, folding beams 7, longitudinal traveling mechanisms 8, and transverse traveling mechanisms 9 , Lifting electric hoist 10, folding beam winch 11, steel wire rope 12, telescopic pull rod 13, top column 14 and centralized control room 15. The horizontal girder 3 and the longitudinal girder 4 designed according to the maximum horizontal and vertical distance required for the laying operation are fixedly connected in pairs, and the four corners connected by the two horizontal girders 3 and the two longitudinal girders 4 are respectively supported by the legs 2 and fixed on the deck of the laying ship 1 Above, the outrigger 2, the transverse girder 3, and the longitudinal girder 4 all adopt a truss structure; It consists of an upper beam 6 and a lower beam 61. The two ends of the upper beam 6 are slidably supported in the linear motion track at the upper ends of the two longitudinal beams 4 via moving pulleys. The two ends of the lower beam 61 are slidably connected to the two longitudinal beams 4 through two longitudinal walking mechanisms 8. In the linear motion track at the lower end, the lower beam 61 is provided with a linear motion track; the two ends of the walking beam 5 are hinged with folding beams 7, and the two ends of the upper beam 6 are equipped with folding beam winches 11, and the folding beam winches 11 pass through its wire ropes. 12 Tighten the outer end of the folding beam 7, the outer end of the folding beam 7 is connected with the upper beam 6 through the telescopic pull rod 13, the two ends of the walking beam 5 and the hinge of the folding beam 7 are provided with inclined top columns 14, and the folding beam 7 is provided with The linear motion track corresponding to the linear motion track on the lower beam 61, the transverse running mechanism 9 is connected to the linear motion track on the lower beam 61 and the folding beam 7 in a sliding state through the motion pulley, and the horizontal running mechanism 9 is connected with a belt overload The lifting electric hoist 10 of the limiting device, the longitudinal traveling mechanism 8 and the transverse traveling mechanism 9 are all driven by the frequency conversion motor through the rack and pinion; , the camera, the frequency conversion motor, and the electric hoist 15 are all connected to the centralized control room 15, and the centralized control room 15 is connected to the transverse beam 3 at the front end or end of the longitudinal beam 4.

During the laying operation, the loading of concrete interlocking blocks will generally be arranged in four parallel rows. The operator enters the centralized control room through a straight ladder or platform, and controls four folding beam winches according to the number of barges of the concrete interlocking blocks to put the folding beams to the level. Position, according to the arrangement spacing of the locking blocks in the barge of the concrete interlocking blocks, each longitudinal traveling device is individually controlled to adjust the walking and spacing of the four traveling beams. After the corresponding adjustment is completed, the horizontal operating mechanism is controlled to run the electric hoist to the outboard Above the barge loaded with concrete interlocking blocks, the concrete interlocking blocks are lowered, hooked and hoisted, and the concrete interlocking blocks are moved by the transverse running mechanism to at least the laying side of the laying ship, and the concrete interlocking blocks are lowered to complete a laying operation.

Claims (9)

1. arrange axle interlock tunable formula deck loading driving peculiar to vessel for one kind large-scale, it is characterized in that: comprise

Be supported in four supporting legs arranging on the boat deck;

Two horizontal crossbeam and two longitudinal girders, horizontal crossbeam link to each other in twos with longitudinal girder and link to each other four jiaos and are supported in respectively on four supporting legs;

By the walking beam more than that vertical traveling gear drives, the walking beam two ends are slidingly mounted on two longitudinal girders;

By the lifting electric block more than that horizontal traveling gear drives, electric block is slidingly mounted on the walking beam;

Central control compartment, the central control compartment connection lengthwise is to traveling gear, horizontal traveling gear and lifting electric block.

2. a kind of large-scale axle interlock tunable formula deck loading driving peculiar to vessel of arranging according to claim 1, it is characterized in that: said vertical traveling gear drives through rack-and-gear by variable-frequency motor with horizontal traveling gear, and variable-frequency motor connects central control compartment.

3. a kind of large-scale axle interlock tunable formula deck loading driving peculiar to vessel of arranging according to claim 1; It is characterized in that: the two ends of said walking beam all are hinged with folded beam; Be respectively equipped with the folded beam winch on two longitudinal girders, the steel rope tension of folded beam winch connects the outer end of folded beam.

4. a kind of large-scale axle interlock tunable formula deck loading driving peculiar to vessel of arranging according to claim 3 is characterized in that: be connected through telescopic lever between said longitudinal girder and the folded beam.

5. according to claim 3 or 4 described a kind of large-scale axle interlock tunable formula deck loading drivings peculiar to vessel of arranging, it is characterized in that: said walking beam two ends and folded beam hinged place are provided with the bevelled fore-set.

6. a kind of large-scale axle interlock tunable formula deck loading driving peculiar to vessel of arranging according to claim 1, it is characterized in that: said lifting electric block is provided with the overload restraint device that connects central control compartment.

7. a kind of large-scale axle interlock tunable formula deck loading driving peculiar to vessel of arranging according to claim 1, it is characterized in that: said supporting leg, horizontal crossbeam, longitudinal girder all adopt truss structure.

8. a kind of large-scale axle interlock tunable formula deck loading driving peculiar to vessel of arranging according to claim 1, it is characterized in that: said central control compartment is connected on the horizontal crossbeam of longitudinal girder front end or end.

9. a kind of large-scale axle interlock tunable formula deck loading driving peculiar to vessel of arranging according to claim 1, it is characterized in that: said supporting leg, horizontal crossbeam, longitudinal girder, lifting electric block are provided with the camera that connects central control compartment.

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