CN2600418Y

CN2600418Y - Shipborne crane

Info

Publication number: CN2600418Y
Application number: CN 03201116
Authority: CN
Inventors: 马继春; 高峰; 高青春
Original assignee: SANSE LIGHTING CO Ltd ANHUI PROV
Current assignee: SANSE LIGHTING CO Ltd ANHUI PROV
Priority date: 2003-01-13
Filing date: 2003-01-13
Publication date: 2004-01-21
Anticipated expiration: 2013-01-13

Abstract

An on-board crane arranged on a ship includes a lifting tool, a scalable arm, a hoist arm, an inner hoist arm, a revolving platform, a base, a landing leg, a hydraulic oil cylinder and a connecting element, which is characterized in that the steel base is a horizontally-arranged rectangular drum; the steel element consists of an assembled cylindrical drum arranged on one side of the rectangular drum and positioned vertically in relation to the ground by means of an axis of the steel tubes; the base is provided with fixed screw holes for fastening into the screws on deck or ship; the two interior terminals of the rectangular hole on the base are respectively provided with a horizontal landing leg which can slide inside and outside the rectangular hole in a scalable manner; the ends of the two horizontal landing legs are articulated with a floating tank welded with steels. The anti-tipping capability of small and medium size ships in hoisting can be improved when the horizontal landing legs extend outwards with the help of the floating effect of the floating tank in the water, thereby enhancing the overall stability of the on-board crane in operation.

Description

The boat-carrying hoisting crane

Technical field

The utility model relates to a kind ofly can exactly, relate to a kind of boat-carrying hoisting crane that is installed on the transportation ship with the loading-unload machine of Transport Machinery walking, belongs to the hoisting crane technical field.

Background technology

Existing loading-unload machine with the Transport Machinery walking mostly is mounted in land transport machinery, as automobile, train etc.In the Transport Machinery of water route, have only the large-tonnage seagoing vessel of ocean freight just to be mounted with hoisting crane, and weight-lifting equipment nearly all is not installed on the various medium and small-scale vessels of inshore fishing, transportation or river navigation, and rely on harbour or hoisting device on the bank to carry out loading and unloading operation usually, feel inconvenience very much.

Summary of the invention

The purpose of this utility model provides a kind of shipping or passenger-cargo boat-carrying hoisting crane that loads in mixture on the boats and ships of being installed in, and is not installed in water transport blank mechanically to remedy existing loading-unload machine with the Transport Machinery walking.

The purpose of this utility model is achieved in that a kind of boat-carrying hoisting crane that is installed on the boats and ships, includes: suspender, telescopic boom, arm, rotary table, base, supporting leg, hydraulic ram and attaching parts; It is characterized in that: described base is the steelframe member that constitutes in ground-surface cylindrical drum with steel plate long tube of making of the rectangle of placing in horizontal direction and the axis normal that is positioned at the long tube of rectangle one side, make with steel pipe, this base is provided with fixed bolt hole, as with ship deck or hull on bolted be installed as one; Two ends in the rectangular opening of base, being respectively arranged with one can be along the horizontal support legs of the outside translation telescopic slide of this rectangular opening tube; The hinged respectively buoyancy tank made from the steel plate welding that is equipped with in the end of two horizontal support legs.When horizontal support legs was protruding, with the buoyancy of buoyancy tank in water, the resistance to overturning in the time of can increasing this boat-carrying crane job also just can improve anti-the tumble ability of such medium and small-scale vessel when hoisting operation.

Described horizontal support legs is to be the long barrel members in square-section that the welding of 3～12 millimeters steel plates is made with thickness.

End at each horizontal support legs is provided with jointed shaft, and the hinge hole of this jointed shaft and buoyancy tank is slidingly installed, and is provided with locating dowel pin between the two.

Described locating dowel pin runs through in the pin-and-hole that is installed in the jointed shaft common axis quadrature of the hinge hole of buoyancy tank and horizontal support legs; When this hoisting crane was in the crane lifting service state, buoyancy tank is vertically downward to be put; And be in travelling position at these boats and ships, the locating dowel pin that then will be through earlier in the pin-and-hole of jointed shaft of the hinge hole of buoyancy tank and horizontal support legs is extracted, buoyancy tank rotated be behind 180 degree when putting vertically upward, again this locating dowel pin is penetrated in the pin-and-hole of the jointed shaft of the hinge hole of buoyancy tank and horizontal support legs.

The volume magnitude range of described buoyancy tank is at 0.5-5 rice ³Between, be used for specified heavy lift and be 0.5～20 ton hoisting crane.

Can set up the vertical leg made from hydraulic ram between described buoyancy tank and its hinge hole, buoyancy tank is arranged on the piston rod end of this vertical leg hydraulic ram.

The utility model is a kind of middle-size and small-size shipping or passenger-cargo boat-carrying hoisting crane that loads in mixture on the boats and ships of being installed in, belong to the tool of stevedoring crane voluntarily that is installed on the boats and ships, this boat-carrying hoisting crane includes: suspender, arm, rotary table, base, supporting leg, hydraulic ram, attaching parts and buoyancy tank, this device is installed in hoisting crane on the middle-size and small-size transportation ship, can make boats and ships handling goods voluntarily, its structural characteristics are to be respectively arranged with the buoyancy tank that is placed in the water at the two ends of horizontal anomalous movement supporting leg, resistance to overturning and safety when the buoyancy that can utilize the horizontal anomalous movement supporting leg institute bonded assembly buoyancy tank that stretches out to produce in water increases this boat-carrying crane job improve the anti-ability of tumbling of this hull.The boats and ships that the utility model is specially adapted to the relatively poor leg operation of at the harbour (harbour) condition use when carrying out loading and unloading operation.

Description of drawings

Fig. 1 a and Fig. 1 b are respectively the lateral plan and the local cross sectional plan view of the structural representation of the utility model boat-carrying hoisting crane when being in non-loading and unloading operation.

Fig. 2 stretches out the both sides horizontal support legs for the utility model boat-carrying hoisting crane, the structural representation when preparing to carry out loading and unloading operation.

Structural representation when Fig. 3 carries out loading and unloading operation for the utility model boat-carrying hoisting crane.

The specific embodiment

Referring to Fig. 1 a and Fig. 1 b, be that 6.3 tons embodiment specifically introduces the utility model below in conjunction with playing heavy lift.The utility model is a kind of shipping or passenger-cargo boat-carrying hoisting crane that loads in mixture etc. on the boats and ships of being installed in, and includes: suspender 1, telescopic boom 2, arm 3, interior arm 5, rotary table 6, base 9, supporting leg, a plurality of

hydraulic ram

4,7,8 and attaching parts; Wherein suspension hook 1 is connected with telescopic boom 2, is used for grasping weight; The piston rod fraising of telescopic oil cylinder 4 is connected with telescopic boom 2 by jointed shaft 19, its cylinder barrel fraising then is connected with arm 3 by jointed shaft 18, telescopic boom 2 and arm 3 all are that the cross section that the steel plate with 5 millimeters thick is welded into is the long tubular construction of rectangle, telescopic boom 2 is enclosed within the arm 3, can telescopic moving in arm 3, telescopic boom 2 can be made into the structure nested against one another of a plurality of telescopic booms.The piston rod telescopic moving of telescopic oil cylinder 4 has just driven telescopic boom 2 telescopic moving in arm 3; Arm 3 is hinged by jointed shaft 12 and interior arm 5, arm 5 is cross section fitfull tubular constructions that the steel plate with 5 millimeters thick is welded into, the piston rod hinge hole of second amplitude oil cylinder 7 is connected with arm 3 by jointed shaft 15, its cylinder barrel fraising then is connected with interior arm 5 by jointed shaft 14, and the piston rod telescopic moving in second amplitude oil cylinder 7 can drive arm 3 and rotate with respect to interior arm 5.Interior arm 5 is connected with rotary table 6 by jointed shaft 13, rotary table 6 also is the cross section fitfull tubular construction that the steel plate with 5 millimeters thick is welded into, the piston rod fraising of first amplitude oil cylinder 8 is connected with interior arm 5 by jointed shaft 17, its cylinder barrel fraising then is connected with rotary table 6 by jointed shaft 16, and arm 5 rotated relative to rotary table 6 in the piston rod in first amplitude oil cylinder 8 moved and can drive; The sprocket 24 of rotary table 6 bottoms welding be installed in base 9 perpendicular in the ground-surface rotary hole, angling cylinder 20 is connected in one with base 9, the piston rod 25 of the band tooth bar in the angling cylinder 20 intermeshes with the gear of the sprocket 24 of rotary table 6, and the linear reciprocating motion of the piston rod 25 of the band tooth bar of angling cylinder 20 drives rotary table 6 and rotates around its central axis 23.Wherein base 9 be the long tube made from steel plate of the rectangle of placing in horizontal direction and a side that is positioned at the long tube of rectangle, the steelframe member (referring to Fig. 1 b) that constitutes in ground-surface cylindrical drum of the axis normal made with steel pipe, this base is provided with fixed bolt hole, as with ship deck or hull on bolted be installed as the one (not shown).Two ends in the horizontal rectangular hole of base 9, being respectively arranged with one can be along the horizontal support legs 10 of the outside translation telescopic slide of this rectangular opening, this horizontal support legs 10 is that the cross section that is welded into 4 millimeters steel plate is the long tubular construction of rectangle, after horizontal support legs 10 stretches out, the buoyancy tank 11 that is installed in its two ends just is suspended in the water, stability plane when the buoyancy of buoyancy tank 11 can increase the boat-carrying crane job increases the stability of its operation.These two buoyancy tanks 11 are to be the cavity sealing body structure with the inside that 2 millimeters steel plates are welded into.The steel plate thickness of each parts of the foregoing description is the data that are used for 6.3 ton hours, and when specified heavy lift of hoisting crane is 0.5～20 ton hour, the steel plate thickness value scope of horizontal support legs 10 is 3～12 millimeters, and the volume magnitude range of buoyancy tank 11 is at 0.5-5 rice ³Between, the parameter of other parts is consulted and carried out.

Horizontal support legs 10 is such with the connection structure of buoyancy tank 11: the end at each horizontal support legs 10 is provided with jointed shaft, and the hinge hole of this jointed shaft and buoyancy tank 11 is slidingly installed, and is provided with locating dowel pin 21 between the two.This locating dowel pin 21 runs through in the pin-and-hole that is installed in the jointed shaft common axis quadrature of the hinge hole of buoyancy tank 11 and horizontal support legs 10.When this hoisting crane was in the crane lifting service state, horizontal support legs 10 all stretched out in the horizontal rectangular hole of base 9, and buoyancy tank 11 is vertically downward to be put; And be loaded on the boats and ships at this hoisting crane, when being in non-operation or travelling position, the locating dowel pin 21 that then will be through earlier in the pin-and-hole of jointed shaft of the hinge hole of buoyancy tank 11 and horizontal support legs 10 is extracted, buoyancy tank 11 rotated be behind 180 degree when putting vertically upward, again this locating dowel pin 21 is penetrated in the pin-and-hole of the jointed shaft of the hinge hole of buoyancy tank 11 and horizontal support legs 10, whole hoisting crane is fixedly mounted on above the transportation ship 22, as shown in Figure 1a compactly.

Referring to Fig. 2, when this boat-carrying hoisting crane was prepared to carry out lifting operation, the horizontal support legs 10 of the utility model boat-carrying hoisting crane stretched out from the rectangular opening of base 9, simultaneously, the buoyancy tank 11 at its two ends also goes to the below of horizontal support legs 10, and inserts locating dowel pin 21 and fix its position.Because the buoyancy tank of both sides 11 all can immerse in the water, the width of hull that has been equivalent to broadening has increased the stabilising surface of boats and ships.If the tonnage of boats and ships is bigger, hull is higher, can set up a vertical leg made from hydraulic ram between buoyancy tank 11 and its hinge hole, buoyancy tank 11 is placed in the piston rod end of this vertical leg hydraulic ram.By adjusting, guarantee that this buoyancy tank can immerse in the water of boats and ships both sides to vertical leg hydraulic cylinder piston stroke.

Referring to Fig. 3, protruding when the piston rod of first amplitude oil cylinder 8 of the utility model boat-carrying hoisting crane, arm 5 upwards rose in its piston rod hinge hole drove; Then, the piston rod of second amplitude oil cylinder 7 is also protruding, and its piston rod hinge hole drives arm 3 and upwards rises; Then, the piston rod of telescopic oil cylinder 4 is protruding, and it is protruding that its piston rod hinge hole drives the telescopic boom 2 that is nested in the arm 3.Telescopic boom 2 can be made the structure nested against one another of a plurality of telescopic booms.Simultaneously, referring to Fig. 1 b, the piston rod 25 of the band tooth bar in the angling cylinder 20 moves back and forth, and passes through the engagement of the rack and pinion post 24 on the piston rod 25, drives rotary table 6 around its central axis 23 rotations, can carry out lifting operation.The operation of lifting operation method of operation of the present utility model and existing crane truck is identical.

After the end of job, telescopic boom 2 is withdrawn with the inside contractile motion of the piston rod of telescopic oil cylinder 4 in the rectangular opening of arm 3; Simultaneously, arm 3 all goes back to its initial position with respect to interior arm 5, interior arm 5 with respect to rotary table 6, horizontal support legs 10 also is retracted in the rectangular opening of base 9, again buoyancy tank 11 is gone to the top of horizontal support legs 10, and fixing with locating dowel pin 21, ships that transport 22 just returns to motoring condition as shown in Figure 1a again.

Claims

1, a kind of boat-carrying hoisting crane that is installed on the boats and ships includes: suspender, telescopic boom, arm, rotary table, base, supporting leg, hydraulic ram and attaching parts; It is characterized in that: described base is the steelframe member that constitutes in ground-surface cylindrical drum with steel plate long tube of making of the rectangle of placing in horizontal direction and the axis normal that is positioned at the long tube of rectangle one side, make with steel pipe, this base is provided with fixed bolt hole, as with ship deck or hull on bolted be installed as one; Two ends in the rectangular opening of base, being respectively arranged with one can be along the horizontal support legs of the outside translation telescopic slide of this rectangular opening tube; The hinged respectively buoyancy tank made from the steel plate welding that is equipped with in the end of two horizontal support legs.

2, the boat-carrying hoisting crane that is installed on the boats and ships according to claim 1 is characterized in that: described horizontal support legs is to be the long barrel members in square-section that the welding of 3～12 millimeters steel plates is made with thickness.

3, the boat-carrying hoisting crane that is installed on the boats and ships according to claim 1, it is characterized in that: the end at each horizontal support legs is provided with jointed shaft, and the hinge hole of this jointed shaft and buoyancy tank is slidingly installed, and is provided with locating dowel pin between the two.

4, the boat-carrying hoisting crane that is installed on the boats and ships according to claim 3 is characterized in that: described locating dowel pin runs through in the pin-and-hole that is installed in the jointed shaft common axis quadrature of the hinge hole of buoyancy tank and horizontal support legs; When this hoisting crane was in the crane lifting service state, buoyancy tank is vertically downward to be put; And when these boats and ships are in travelling position, the locating dowel pin that then will be through earlier in the pin-and-hole of jointed shaft of the hinge hole of buoyancy tank and horizontal support legs is extracted, buoyancy tank rotated be behind 180 degree when putting vertically upward, again this locating dowel pin is penetrated in the pin-and-hole of the jointed shaft of the hinge hole of buoyancy tank and horizontal support legs.

5, the boat-carrying hoisting crane that is installed on the boats and ships according to claim 1, it is characterized in that: the volume magnitude range of described buoyancy tank is at 0.5-5 rice ³Between, be used for specified heavy lift and be 0.5～20 ton hoisting crane.

6, the boat-carrying hoisting crane that is installed on the boats and ships according to claim 1, it is characterized in that: can set up the vertical leg made from hydraulic ram between described buoyancy tank and its hinge hole, buoyancy tank is arranged on the piston rod end of this vertical leg hydraulic ram.