CN100564151C

CN100564151C - Flexible locking close cable releasing device of release hook

Info

Publication number: CN100564151C
Application number: CNB2007100378566A
Authority: CN
Inventors: 陈大进; 徐杰; 盛立新
Original assignee: SHANGHAI EMINENT ENTERPRISE DEVELOPMENT Co Ltd
Current assignee: Shanghai Eminent Off Shore Engineering Co ltd
Priority date: 2007-03-06
Filing date: 2007-03-06
Publication date: 2009-12-02
Anticipated expiration: 2027-03-06
Also published as: CN101016737A

Abstract

A kind of flexible locking close cable releasing device of release hook, a kind of specialized equipment that is used for stranded cable, heaving pile is arranged at hook housing inside, constitute by control lever, hook bolt, grasp and link gear, wherein, described control lever is connected with the hook housing axle, its bottom be connected with one with the interactional tommy bar of link gear; Described hook bolt is connected with the hook housing axle, comprises key and bolt tongue two parts, and key fixes grasp, and the bolt tongue is by the link gear screens.Its advantage is: reduce labor intensity, raise labour efficiency, strengthen safety, reliability, the realization M/C discharges, be swift in motion, can in the hawser immunization with gD DNA vaccine or reach to take off safely under the full live load and put, this takes off cable device and is located at hook housing inside, prevent other objects interference, select the flexible gearing of point, face, line contact for use, the antagonistic force when taking off the cable operation can not be delivered on the manual lever, comfortable feel, under the heaving pile operating mode, dual locking, the cable tension unhook phenomenon that in the intensity of flexible locking device, can not meet accident.

Description

Flexible locking close cable releasing device of release hook

Technical field

The present invention relates to a kind of being installed on the harbour, be used for the specialized equipment of boats and ships stranded cable, heaving pile, especially a kind of flexible locking that can take off cable fast takes off cable device.

Background technology

When the boats and ships landing pier, the crewman can be with the hawser bolt on the bitt on the harbour, thereby makes boats and ships steadily can not float.Particularly at large-scale oil product petrochemical industry harbour, it is fastening promptly to require bolt to get, and wishes again can in time throw off when emergency situation, especially few at operating personal, band cable and take off cable and effectively seem especially important rapidly under the big situation of stormy waves.Consider more dangerous occasion, for example harbour or ship fire, in order to reduce loss as far as possible, at this moment, the timely disengaging of harbour and boats and ships is very urgent especially.

But the bitt that uses on traditional harbour is a pillar usually, and rope will be around last several circles, and large vessel will just can tie down ship around last several root system cavils especially.When generation emergency situation ship needed to break away from fast, the staff was often in a rush, even also can harbour personnel's personal safety be threatened.

Summary of the invention

Technical matters to be solved by this invention is to provide a kind of safety rapidly to take off the flexible locking close cable releasing device of release hook of cable.

For reaching above-mentioned purpose, the present invention solves the problems of the technologies described above the scheme of taking: a kind of flexible locking close cable releasing device of release hook, be arranged at hook housing inside, constitute by control lever, hook bolt, grasp and link gear, wherein, described control lever, its bottom be connected with one with the interactional tommy bar of link gear, tommy bar is connected with hook housing axle A; Described hook bolt is connected with hook housing axle D, comprises key and bolt tongue two parts, and key fixes grasp, and the bolt tongue is by the link gear screens.Fix by two-fold, make the present invention that very superior and stable locking function be arranged, simultaneously,, can reach the effect of taking off cable fast by the interlock of link gear to grasp and hook bolt.Because be not to adopt clamping structure such as knock hole, be to realize to the fixing of grasp and hook bolt by the transmission device that point, line, surface contacts, the constructional feature that has flexible locking and take off cable device.

On the such scheme basis, described link gear comprises fork shaft cover, roller and spring, and wherein, described fork shaft cover is connected with hook housing axle B, comprises two arm of forces, and an arm of force and tommy bar are replaced, and a roller is fixed at another arm of force top, and the roller card is pressed in bolt tongue portion; Described spring one end and fork shaft cover are affixed, and the key of the other end and hook bolt is affixed.

The inboard of described key is provided with block, and block rotates around the center shaft D of key on this; Be connected with a handle that makes progress on the bolt tongue, this handle is used to remove commentaries on classics bolt tongue.Under heaving pile locking operating mode, last block is pressed on the grasp, and roller makes it and can't pivot as a spacing point with the screens of hook bolt.Take off need reset after cable device discharges the time when whole, promote this handle, until the bolt gyrus lingulais rehydration mean place of hook bolt, and by the roller screens, in this process, spring is returned to tensioning state again.

Described roller is installed on fork shaft and overlaps on the axle C at an arm of force top, and rotates around axle C.When the release movement of control lever was carried out, the rotation of roller can help to reduce the friction force between roller and hook bolt.

It is solid to adopt the spiral shell select to connect between described spring and key, can drive the hook bolt around its center shaft rotation.

Described grasp is connected with hook housing axle E, is divided into hook and cantilever, and the top of cantilever is positioned in the below of block on the hook bolt.Under this state, last block makes it and can't rotate around axle E as the confined planes of grasp screens.

The cable principle of work of taking off of the present invention is:

Staff's pull joystick makes the tommy bar cw of its bottom rotate around the A axle, tommy bar promotion fork shaft overlaps an arm of force makes the fork shaft cover whole around B axle left-hand revolution, answer this roller that is installed on another arm of force top also around B axle left-hand revolution, at this moment, roller is around the rotation of C axle conter clockwise.After the roller displacement, the bolt tongue that is positioned at roller below hook bolt obtains discharging; Simultaneously, spring is tightened up, and under the pulling of spring, the hook bolt turn 90 degrees around its center shaft D dextrorotation, and the last block that was horizontal originally also transfers vertical setting to thereupon, and the grasp cantilever top that is fixed below last block is released.Finally, grasp around axle E rotation, discharges hawser under the effect of cable tension.

The flexible locking of the present invention's proposition takes off the cable device notion, with the next mutual screens of point, line and face, reaches the purpose of stable locking, connects the locking that fixedly brings as knock hole and takes off the situation that the cable process is time-consuming, require great effort thereby improved fixed type.

Advantage of the present invention is:

1, compares with traditional bitt, alleviated working strength of workers, improved efficiency, strengthened safety and reliability;

2, realize that M/C discharges, only an action just can be finished whole operations, is swift in motion, and can in the hawser immunization with gD DNA vaccine or reach to take off safely under the full live load and put;

3, this takes off cable device and is located at hook housing inside, prevents that other objects from interfering, and mechanism design is selected flexible gearing for use, and the antagonistic force when taking off the cable operation can not be delivered on the manual lever safety of operation;

4, under the heaving pile operating mode, the self-locking of flexible locking device, the cable tension unhook phenomenon that in the intensity of this flexible locking device, can not meet accident, very convenient when normally using.

Description of drawings

Fig. 1 is the main TV structure scheme drawing of flexible locking close cable releasing device of release hook of the present invention.

Fig. 2 is the plan structure scheme drawing of flexible locking close cable releasing device of release hook of the present invention.

Label declaration in the accompanying drawing

1-control lever 2-tommy bar 3-fork shaft cover

31,32-arm of force 4-roller 5-hook bolt

51-key 511-goes up block 52-bolt tongue

521-handle 6-grasp 61-hook

62-cantilever 7-spring 8-hook housing

The specific embodiment

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

See also shown in the main TV structure scheme drawing and Fig. 2 plan structure scheme drawing of Fig. 1 flexible locking close cable releasing device of release hook of the present invention, a kind of flexible locking close cable releasing device of release hook, be arranged at hook housing 8 inside, constitute by control lever 1, hook bolt 5, grasp 6 and link gear, wherein, described control lever 1, its bottom be connected with one with the interactional tommy bar 2 of link gear, 8 A of tommy bar 2 and hook housing are connected; 8 D of described hook bolt 5 and hook housing are connected, and comprise key 51 and bolt tongue 52 two parts, and key 51 fixes grasp, and bolt tongue 52 is by the link gear screens.

Described link gear comprises fork shaft cover 3, roller 4 and spring 7, and wherein, described fork shaft cover 3 is connected with 8 B of hook housing, comprises two arm of

forces

31,32, and the arm of force 31 and tommy bar 2 are replaced, and a roller 4 is fixed at the arm of force 32 tops, and roller 4 blocks and is pressed in bolt tongue 52 heads; It is 3 affixed that described spring 7 one ends and fork shaft overlap, and the key 51 of the other end and hook bolt 5 is affixed.

Hook bolt 5 rotates around the center shaft D of its key 51 axle, and key 51 inboards are provided with block 511, and block 511 is horizontally disposed with on this; The part of hook bolt bolt tongue 52 is positioned at the below of

roller

4, and 52 are connected with a handle that makes progress 521 on this bolt tongue.

The arm of force 31 of fork shaft cover 3 is driven by the tommy bar 2 of control lever 1 bottom, and the arm of force 32 also rotates around axle B, and roller 4 is installed on the axle C at the arm of force 32 tops, thereby roller 4 rotates around the B axle, and around axle C rotation; From shown in Figure 1, spring 7 is affixed with screw in the upper right side of key 51 with hook bolt 5, drives 5 rotations of hook bolt.

Described grasp 6 is divided into hook 61 and cantilever 62, and the top of cantilever 62 is positioned at the below of block 511 on the hook bolt 5, and fixes for it.Described cantilever 62 does not limit hook bolt 5 and laterally rotates around its center shaft.

Principle of work of the present invention is specially:

When staff's pull joystick 1 makes its clickwise, the tommy bar 2 of control lever 1 bottom promotes fork shaft around axle A and overlaps an arm of force 31, make fork shaft overlap 3 integral body around axle B left-hand revolution, therefore be installed on the roller 4 at another arm of force 32 tops also around axle B left-hand revolution, simultaneously, roller 4 is around the rotation of C axle conter clockwise.After roller 4 displacements, the bolt tongue 52 that is positioned at roller 4 below hook bolts 5 obtains discharging, and an end and the hook bolt 5 of spring 7 are affixed with screw in the upper right side of key 51, and under the pulling of spring 7, hook bolt 5 turn 90 degrees around its center shaft D dextrorotation.Block 511 dextrorotations turn 90 degrees on key 51 inboards of hook bolt 5, and the last block 511 that was horizontal originally transfers vertical setting to, thereby discharge cantilever 62 tops.Finally, grasp 6 around axle E rotation, discharges hawser under the effect of cable tension.

Claims

1, a kind of flexible locking close cable releasing device of release hook is arranged at hook housing inside, is made of control lever, hook bolt, grasp and link gear, it is characterized in that: described control lever its bottom be connected with one with the interactional tommy bar of link gear, tommy bar is connected with the hook housing axle; Described hook bolt is connected with the hook housing axle, comprise key and bolt tongue two parts, key fixes grasp, and the bolt tongue is by the link gear screens, wherein, described link gear comprises fork shaft cover, roller and spring, described fork shaft cover is connected with the hook housing axle, comprises two arm of forces, and an arm of force and tommy bar are replaced, a roller is fixed at another arm of force top, and the roller card is pressed in bolt tongue portion; Described spring one end and fork shaft cover are affixed, and the key of the other end and hook bolt is affixed.

2, flexible locking close cable releasing device of release hook according to claim 1 is characterized in that: the inboard of described key is provided with block, and block rotates around the center shaft of key on this.

3, flexible locking close cable releasing device of release hook according to claim 1 is characterized in that: described roller is installed on fork shaft and overlaps on the axle at an arm of force top, and rotates around this axle.

4, flexible locking close cable releasing device of release hook according to claim 2 is characterized in that: adopt the spiral shell select affixed between described spring and key.

5, flexible locking close cable releasing device of release hook according to claim 2 is characterized in that: described grasp is connected with the hook housing axle, is divided into hook and cantilever, and the top of cantilever is positioned in the below of block on the hook bolt.

6, flexible locking close cable releasing device of release hook according to claim 2 is characterized in that: be connected with a handle that makes progress on the bolt tongue.