CN109131745A - A kind of emergency release - Google Patents

A kind of emergency release Download PDF

Info

Publication number
CN109131745A
CN109131745A CN201810699135.XA CN201810699135A CN109131745A CN 109131745 A CN109131745 A CN 109131745A CN 201810699135 A CN201810699135 A CN 201810699135A CN 109131745 A CN109131745 A CN 109131745A
Authority
CN
China
Prior art keywords
claw
connecting rod
oil cylinder
hinged
emergency release
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810699135.XA
Other languages
Chinese (zh)
Other versions
CN109131745B (en
Inventor
熊大柱
周英辉
甘正林
胡发国
顾翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Marine Machinery Plant Co Ltd
Original Assignee
Wuhan Marine Machinery Plant Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Marine Machinery Plant Co Ltd filed Critical Wuhan Marine Machinery Plant Co Ltd
Priority to CN201810699135.XA priority Critical patent/CN109131745B/en
Publication of CN109131745A publication Critical patent/CN109131745A/en
Application granted granted Critical
Publication of CN109131745B publication Critical patent/CN109131745B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/16Tying-up; Shifting, towing, or pushing equipment; Anchoring using winches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B2021/003Mooring or anchoring equipment, not otherwise provided for
    • B63B2021/004Quick release elements in mooring connections

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Actuator (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The invention discloses a kind of emergency releases, belong to safety of ship protection technique field.Including the first claw, the second claw, stress pin, claw connecting rod, oil cylinder connecting rod, first connecting rod axis, second connecting rod axis, third connecting rod axis, the first oil cylinder connecting rod axis, the second oil cylinder connecting rod axis and oil cylinder;First claw and the second claw are hinged by stress pin;One end of claw connecting rod and one end of the second claw are hinged by first connecting rod axis, the other end of claw connecting rod and one end of oil cylinder connecting rod are hinged by second connecting rod axis, one end of first claw and oil cylinder connecting rod are hinged by third connecting rod axis, the other end of oil cylinder connecting rod and one end of oil cylinder are hinged by the first oil cylinder connecting rod axis, and the other end of the other end of oil cylinder and the first claw is hinged by the second oil cylinder connecting rod axis;The other end of first claw and the second claw is formed with mounting groove.The emergency release small volume, is desirably integrated into the drums inside of winch, in order to carry out take-up, cable laying and emergency release operation.

Description

A kind of emergency release
Technical field
The present invention relates to safety of ship protection technique field, in particular to a kind of emergency release.
Background technique
Emergency release is a kind of very important safety guard of ship domain, in case of emergency protecting The safety of winch and hull.Such as during crude oil exporting system oil transportation, in order to avoid shuttle tanker and FPSO (FloatingProduction Storage and Offloading, Floating Production oil storage easing gear) is separated by too close generation Collision, it will usually the two is connected by hawser, shuttle tanker deviates from FPSO under the traction of tugboat, to guarantee that hawser has centainly Tension.But deteriorate suddenly when encountering sea situation, the pulling force of hawser will be increased sharply, when being more than its winch and hull coupling part When allowable stress, excessive pulling force effect can cause permanent injury to winch and hull.Under FPSO safety protecting mechanism, Emergency release can be started to discharge hawser, to guarantee the safety of winch and hull.
Currently, most of emergency release realizes that this emergency release is by hydraulic oil using emergency release hook Cylinder, pedestal, transmission mechanism and emergency release hook composition, general volume is relatively large, and structure is complicated, therefore is arranged in the strand of FPSO Below vehicle, during crude oil exporting system oil transportation, the ring eye of hawser tail portion is hooked by emergency release hook, the oil that shuttles is lived with mooring Ship is opened by operator by console when emergency release, which receives higher level, controls the emergency release information that unit transmits Hydraulic cylinder transfers force on emergency release hook through transmission mechanism again, and emergency release hook is lifted up release hawser.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
Since above-mentioned emergency release is arranged below winch, in cable laying, need the ring of hawser tail portion artificially Eye is moved on emergency release hook from winch drum, prevents hawser from falling off.To artificially meet an urgent need release hook again in take-up On ring eye be suspended on winch drum, cause take-up, cable laying and emergency release operation it is very complicated.
Summary of the invention
The embodiment of the invention provides a kind of emergency release, small volume is desirably integrated into the drums inside of winch, In order to carry out take-up, cable laying and emergency release operation.The technical solution is as follows:
The embodiment of the invention provides a kind of emergency release, the emergency release includes the first claw, second Claw, stress pin, claw connecting rod, oil cylinder connecting rod, first connecting rod axis, second connecting rod axis, third connecting rod axis, the first oil cylinder connecting rod Axis, the second oil cylinder connecting rod axis and oil cylinder;
First claw and second claw are hinged by the stress pin;One end of the claw connecting rod and described One end of second claw is hinged by first connecting rod axis, and the other end of the claw connecting rod and one end of the oil cylinder connecting rod pass through The second connecting rod axis is hinged, and one end of first claw and the oil cylinder connecting rod are hinged by the third connecting rod axis, institute One end of the other end and the oil cylinder of stating oil cylinder connecting rod is hinged by the first oil cylinder connecting rod axis, the other end of the oil cylinder It is hinged by the second oil cylinder connecting rod axis with the other end of first claw;
The other end of the other end of first claw and second claw is formed with the cable end for installing hawser Mounting groove.
Further, first claw includes upper clipping claw and lower claw, the structure of the upper clipping claw and the lower claw Identical, second claw is folded between the upper clipping claw and the lower claw, the oil cylinder be folded in the upper clipping claw and Between the lower claw, the oil cylinder connecting rod is folded between the upper clipping claw and the lower claw.
Further, the claw connecting rod includes first connecting rod and second connecting rod, and the first connecting rod and described second connect The structure of bar is identical, and second claw is folded between the first connecting rod and the second connecting rod, the oil cylinder connecting rod One end is folded between the first connecting rod and the second connecting rod.
Further, one end hinged with the oil cylinder of the oil cylinder connecting rod is equipped with opening, and one end of the oil cylinder is set It sets in the opening.
Further, the emergency release further includes hawser swing angle detection module, the hawser swing angle Detection module includes fixing bolt and angle detection unit, and the fixing bolt is used for second claw and the stress pin Fixed, the angle detection unit is used to detect the rotational angle of the stress pin.
Further, the angle detection unit is encoder or angular transducer.
Further, the emergency release further includes claw monitoring modular, and the claw monitoring modular includes metal Plate, close switch and mounting base, described to be arranged in the mounting base close to switch, the metal plate is fixed on described first and blocks On pawl, the mounting base is fixed on second claw, alternatively, the mounting base is fixed on first claw, it is described Metal plate is fixed on second claw;The metal plate and the close switch are oppositely arranged.
Further, one end of the oil cylinder is equipped with the sliding slot being axially arranged along the oil cylinder, and first oil cylinder connects Bar axis is arranged in the sliding slot, and the first oil cylinder connecting rod axis is fixed in the sliding slot by the pin that is broken.
Further, solid embedded self-lubricating bearing, the solid embedded self-lubricating bearing are arranged with outside the stress pin Positioned at the hinged place of first claw, second claw and the stress pin.
Further, the first connecting rod outer shaft sleeve is equipped with solid embedded self-lubricating bearing, the solid embedded self-lubricating Bearing is located at the hinged place of second claw, the claw connecting rod and the first connecting rod axis;
The second connecting rod outer shaft sleeve is equipped with solid embedded self-lubricating bearing, and the solid embedded self-lubricating bearing is located at institute State the hinged place of claw connecting rod, the oil cylinder connecting rod and the second connecting rod axis;
The third connecting rod outer shaft sleeve is equipped with solid embedded self-lubricating bearing, and the solid embedded self-lubricating bearing is located at institute State the hinged place of the first claw, the oil cylinder connecting rod and the third connecting rod axis.
Technical solution provided in an embodiment of the present invention has the benefit that
The main body of emergency release provided by the invention includes the first claw, the second claw, claw connecting rod, oil cylinder connecting rod And oil cylinder, compared to traditional emergency release, small volume, therefore winch can be arranged in the emergency release Inside reel, and the ring eye of the hawser tail portion on winch is set in cable end, cable end is arranged by the first claw and second In the mounting groove that claw is formed.When bearing mooring pulling force, second connecting rod axis is made to be in locked position (even if first connecting rod axis V-structure, the V are constituted with the straight line and third pitman shaft where the second pitman shaft and the straight line where the second pitman shaft The opening of type structure is backwards to stress pin, and the cusp and the second claw phase of V-structure that claw connecting rod and oil cylinder connecting rod are constituted The position of contact), the mooring pulling force that cable end is subject at this time can be converted into the power for promoting the first claw and the second claw to lock, and be Pool pulling force is bigger, and coupling mechanism force is bigger, therefore cable end will not be released;When in emergency work condition, (pulling force that cable end is subject to is greater than emergency The maximum pull that release device is able to bear) need meet an urgent need release when, retract cylinder makes the first oil cylinder connecting rod axially adjacent to stress The direction of pin is mobile, while the first oil cylinder connecting rod drives second connecting rod mobile axially away from the direction of stress pin, works as second connecting rod Axis be moved to emergency releasing position (even if straight line where first connecting rod axis and the second pitman shaft and third pitman shaft and Straight line where second pitman shaft constitutes V-structure, and the opening of the V-structure is towards the position of stress pin) when, cable end by The pulling force power that can be converted into promoting the first claw and the second claw to open, opened up into properly to the first claw and the second claw Angle, cable end can deviate from from mounting groove, and the emergency completed between hawser and winch discharges.It is discharged and is filled using above-mentioned emergency Set when carrying out take-up, cable laying and emergency release operation, the ring eye position of no replacement is required hawser tail portion so that take-up, cable laying and Emergency release operation is more convenient, quick.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of structural schematic diagram of emergency release provided in an embodiment of the present invention;
Fig. 2 is a kind of use schematic diagram of emergency release provided in an embodiment of the present invention;
Fig. 3 is a kind of three-dimensional structure diagram of emergency release provided in an embodiment of the present invention;
Fig. 4 is the Section A-A schematic diagram of Fig. 1;
Fig. 5 is a kind of cross-sectional view of emergency release provided in an embodiment of the present invention;
Fig. 6 is the section B-B schematic diagram of Fig. 1;
Fig. 7 is the structural schematic diagram that a kind of emergency release provided in an embodiment of the present invention is in locking state;
Fig. 8 is the structural schematic diagram that a kind of emergency release provided in an embodiment of the present invention is in emergency release conditions.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
The embodiment of the invention provides a kind of emergency release, Fig. 1 is that a kind of emergency provided in an embodiment of the present invention is released The structural schematic diagram of device is put, as shown in Figure 1, the emergency release includes the first claw 10, the second claw 20, stress pin 30, claw connecting rod 40, oil cylinder connecting rod 50, first connecting rod axis 61, second connecting rod axis 62, third connecting rod axis 63, the first oil cylinder connecting rod Axis 71, the second oil cylinder connecting rod axis 72 and oil cylinder 80.
First claw 10 and the second claw 20 are hinged by stress pin 30.One end of claw connecting rod 40 and the second claw 20 One end is hinged by first connecting rod axis 61, and the other end of claw connecting rod 40 and one end of oil cylinder connecting rod 50 pass through second connecting rod axis 62 Hingedly, one end of the first claw 10 and oil cylinder connecting rod 50 are hinged by third connecting rod axis 63, the other end and oil of oil cylinder connecting rod 50 One end of cylinder 80 is hinged by the first oil cylinder connecting rod axis 71, and the other end of the other end of oil cylinder 80 and the first claw 10 passes through second Oil cylinder connecting rod axis 72 is hinged.
The other end of the other end of first claw 10 and the second claw 20 is formed with the installation of the cable end for installing hawser Slot 90.
The main body of emergency release provided by the invention includes the first claw, the second claw, claw connecting rod, oil cylinder connecting rod And oil cylinder, compared to traditional emergency release, small volume, therefore winch can be arranged in the emergency release Inside reel, and the ring eye of the hawser tail portion on winch is set in cable end, cable end is arranged by the first claw and second In the mounting groove that claw is formed.When bearing mooring pulling force, second connecting rod axis is made to be in locked position (even if first connecting rod axis V-structure, the V are constituted with the straight line and third pitman shaft where the second pitman shaft and the straight line where the second pitman shaft The opening of type structure is backwards to stress pin, and the cusp and the second claw phase of V-structure that claw connecting rod and oil cylinder connecting rod are constituted The position of contact), the mooring pulling force that cable end is subject at this time can be converted into the power for promoting the first claw and the second claw to lock, and be Pool pulling force is bigger, and coupling mechanism force is bigger, therefore cable end will not be released;When in emergency work condition, (pulling force that cable end is subject to is greater than emergency The maximum pull that release device is able to bear) need meet an urgent need release when, retract cylinder makes the first oil cylinder connecting rod axially adjacent to stress The direction of pin is mobile, while the first oil cylinder connecting rod drives second connecting rod mobile axially away from the direction of stress pin, works as second connecting rod Axis be moved to emergency releasing position (even if straight line where first connecting rod axis and the second pitman shaft and third pitman shaft and Straight line where second pitman shaft constitutes V-structure, and the opening of the V-structure is towards the position of stress pin) when, cable end by The pulling force power that can be converted into promoting the first claw and the second claw to open, opened up into properly to the first claw and the second claw Angle, cable end can deviate from from mounting groove, and the emergency completed between hawser and winch discharges.It is discharged and is filled using above-mentioned emergency Set when carrying out take-up, cable laying and emergency release operation, the ring eye position of no replacement is required hawser tail portion so that take-up, cable laying and Emergency release operation is more convenient, quick.
It should be noted that in embodiments of the present invention, the other end of the first claw 10 is equipped with part recess, the second claw 20 other end is equipped with part recess, and the part recess on part recess and the second claw 20 on the first claw 10 constitutes installation Slot 90, mounting groove 90 can play position-limiting action, so that cable end can not move in mounting groove 90.When the first claw 10 and second When claw 20 does not open, cable end is fixed in mounting groove 90, when the first claw 10 and the second claw 20 opening, the first claw 10 The other end and the distance between the other end of the second claw 20 increase, the opening of mounting groove 90 becomes larger, then cable end can be from installation Deviate from slot 90.
Fig. 2 is a kind of emergency release provided in an embodiment of the present invention using schematic diagram, as shown in Fig. 2, hawser tail The ring eye 100a in portion is set in the cable end 100b of hawser, and cable end 100b is mounted in the mounting groove 90 of emergency release.
Fig. 3 is a kind of three-dimensional structure diagram of emergency release provided in an embodiment of the present invention, and Fig. 4 is the Section A-A of Fig. 1 Schematic diagram, in conjunction with Fig. 4 and Fig. 3, in the present embodiment, the first claw 10 includes upper clipping claw 11 and lower claw 12, the second claw 20 It is folded between upper clipping claw 11 and lower claw 12, oil cylinder 80 is folded between upper clipping claw 11 and lower claw 12.By the way that first is blocked Pawl 10 be arranged to include upper clipping claw 11 and lower claw 12 double-layer structure, the structural strength of the first claw 10 can be reinforced.
Further, as shown in figure 4, being arranged with solid embedded self-lubricating bearing 30a outside stress pin 30, solid is inlayed from profit Plain besring 30a is located at the hinged place of the first claw 10 (i.e. upper clipping claw 11 and lower claw 12), the second claw 20 and stress pin 30.It is logical Crossing setting solid embedded self-lubricating bearing 30a can reduce abrasion between stress pin 30 and the first claw 10, the second claw 20, Improve the service life of emergency release.
Fig. 5 is a kind of cross-sectional view of emergency release provided in an embodiment of the present invention, as shown in figure 5, in conjunction with Fig. 2 and figure 4, emergency release further includes hawser swing angle detection module, and hawser swing angle detection module includes fixing bolt 200a With angle detection unit (not shown), fixing bolt 200a is used for the second claw 20 and stress pin 30 is fixed, angle inspection Survey the rotational angle that unit is used to detect stress pin 30.
Specifically, by fixing bolt 200a that the second claw 20 and stress pin 30 is fixed, when hawser occurs in roller When swing, the ring eye 100a that will drive hawser tail portion is swung, and since ring eye 100a is fixed in cable end 100b, cable end also can As hawser is swung.When cable end is swung, the relative position of the first claw 10 and the second claw 20 can change, i.e., the second card Pawl 20, which will drive the rotation of stress pin 30, can monitor the swing angle of hawser at this time by the rotational angle of detection stress pin 30.
Optionally, angle detection unit is encoder or angular transducer.
Fig. 6 is the section B-B schematic diagram of Fig. 1, and in conjunction with Fig. 6 and Fig. 3, in the present embodiment, claw connecting rod 40 includes first Connecting rod 41 and second connecting rod 42, first connecting rod 41 is identical with the structure of second connecting rod 42, and the second claw 20 is folded in first connecting rod Between 41 and second connecting rod 42.One end of oil cylinder connecting rod 50 is folded between first connecting rod 41 and second connecting rod 42, and oil cylinder connects Bar 50 is folded between upper clipping claw 11 and lower claw 12.By the way that claw connecting rod 40 to be arranged to include double-layer structure, can reinforce The structural strength of entire emergency release.
Specifically, pass through first connecting rod between one end of first connecting rod 41, one end of second connecting rod 42 and the second claw 20 Axis 61 is hinged, and one end of the other end of first connecting rod 41, the other end of second connecting rod 42 and oil cylinder connecting rod 50 passes through second connecting rod Axis 62 is hinged.
Further, shown in Fig. 6, one end hinged with oil cylinder 80 of oil cylinder connecting rod 50 is equipped with opening 51, and the one of oil cylinder 80 End setting can make the more compact structure of oil cylinder 80 Yu oil cylinder connecting rod 50 in opening 51.
Further, as shown in fig. 6, being arranged with solid embedded self-lubricating bearing 61a outside first connecting rod axis 61, solid is inlayed Self-lubricating bearing 61a is located at the second claw 20, claw connecting rod 40 (i.e. first connecting rod 41 and second connecting rod 42) and first connecting rod axis 61 hinged place.
It is arranged with solid embedded self-lubricating bearing 62a outside second connecting rod axis 62, solid embedded self-lubricating bearing position 62a is in card The hinged place of pawl connecting rod 40, oil cylinder connecting rod 50 and second connecting rod axis 62.
It is arranged with solid embedded self-lubricating bearing 63a outside third connecting rod axis 63, solid embedded self-lubricating bearing position 63a is in the The hinged place of one claw 10, oil cylinder connecting rod 50 and third connecting rod axis 63.
It can reduce each component in the friction of hinged place by the way that solid embedded self-lubricating bearing is arranged, improve emergency release dress The service life set.
Further, as shown in Figure 1, emergency release further includes claw monitoring modular, claw monitoring modular includes gold Belong to plate 300a, be fixed on the first claw 10 close to switch 300b and mounting base 300c, metal plate 300a, is set close to switch 300b It sets on mounting base 300c, mounting base 300c is fixed on the second claw 20, and metal plate 300a and close switch 300b are set relatively It sets.Whether the relative position that the first claw 10 and the second claw 20 can be monitored by the way that claw monitoring modular is arranged changes, To judge whether the first claw 10 and the second claw 20 open, whether cable end is deviate from out of mounting groove 90.
Specifically, in the present embodiment, when close to switch 300b and metal plate 300a in set distance, close to switch 300b can produce the first signal, and the first signal is used to indicate the first claw 10 and the second claw 20 does not open, when close switch When the distance between 300b and metal plate 300a are more than set distance, signal will not be generated close to switch 300b.It can be according to setting Set a distance selection is suitably close to switch 300b.
As shown in Figure 1, in an implementation of the embodiment of the present invention, metal plate 300a is L-type plate, metal plate 300a Including bottom plate and perpendicular to the side plate of bottom plate, bottom plate is bolted on the first claw 10.Mounting base 300c passes through bolt It is fixed on the second claw 20, is arranged on mounting base 300c close to switch 300b, and close switch 300b and metal plate 300a Side plate be oppositely arranged, can be with close to switch 300b so that when the first claw 10 and the second claw 20 are in non-open configuration It detects the side plate of metal plate 300a and generates the first signal.
In another implementation of the embodiment of the present invention, mounting base 300c can also be fixed on to the first claw 10 On, metal plate 300a is fixed on the second claw 20.
Further, as shown in figure 3, one end of oil cylinder 80 is equipped with the sliding slot 80a being axially arranged along oil cylinder 80, the first oil Cylinder rod axis 71 is arranged in sliding slot 80a, and the first oil cylinder connecting rod axis 71 is fixed in sliding slot 80a by fracture pin 80b.
In the present embodiment, oil cylinder 80 includes cylinder body 81 and is arranged in the intracorporal piston rod 82 of cylinder.Cylinder body 81 and the first card The other end of pawl 10 is fixedly connected, and one end of the separate cylinder body 81 of piston rod 82 is equipped with one section of sliding chute rod 83, and the one of sliding chute rod 83 End is arranged in the opening 51 of oil cylinder connecting rod 50, and the other end of sliding chute rod 83 is fixedly connected with piston rod 82, is set on sliding chute rod 83 There is one section of sliding slot 80a.
Specifically, the initial position that the first oil cylinder connecting rod axis 71 can be set is located at the separate piston rod 82 of sliding slot 80a One end, and the first oil cylinder connecting rod axis 71 is fixed on by initial position by fracture pin 80b.By being infused into the rodless cavity of oil cylinder 80 Enter or extract hydraulic oil, piston rod 82 can be made flexible, to drive the first oil cylinder connecting rod axis 71 mobile.
For example, control piston rod 82 is shunk during stress release, drive the first oil cylinder connecting rod axis 71 to close to cylinder body The direction of 81 (i.e. close to stress pin 30) is mobile, and when second connecting rod axis 62 crosses dead-centre position, (i.e. first connecting rod axis 61, second connects The position that bar axis 62, third connecting rod axis 63 are in the same plane) in emergency releasing position when, the pulling force that cable end is subject to can turn Change the power for promoting the first claw 10 and the second claw 20 to open into, at this time the other end of the first claw 10 and the second claw 20 The distance between other end increases, and the distance between one end of one end of the first claw 10 and the second claw 20 reduces, and can generate It is further mobile to the direction far from stress pin 30 that active force promotes second connecting rod axis 62, while the first oil cylinder connecting rod axis 71 also can Mobile to the direction close to cylinder body 81 under the action of the active force, the larger cable power being subject to due to cable end is usually several hundred tons, Therefore the active force that the first oil cylinder connecting rod axis 71 is subject to also can be larger, breaks when the active force that the first oil cylinder connecting rod axis 71 is subject to is greater than When the maximum force that disconnected pin 80b can be born, fracture pin 80b can be cut, makes the first oil cylinder connecting rod axis 71 in sliding slot 80a to leaning on The direction sliding of nearly cylinder body 81, to avoid damaging oil cylinder by pressure.
The working condition of this emergency release is briefly explained with reference to the accompanying drawing:
One, dead point state
As shown in Figure 1, second connecting rod axis 62 is in dead-centre position, i.e. first connecting rod axis 61, second connecting rod axis 62, third connects Bar axis 63 is in the same plane, and the relative position of the first claw 10 and the second claw 20 will not change.
Two, locking state
Fig. 7 is the structural schematic diagram that a kind of emergency release provided in an embodiment of the present invention is in locking state, such as Fig. 7 Shown, the second pitman shaft 62 is in locked position, even if the straight line where first connecting rod axis 61 and the second pitman shaft 62 V-structure is constituted with the straight line where third pitman shaft 63 and the second pitman shaft 62, the opening of the V-structure is backwards to stress Pin 30, and the position that the cusp of V-structure that is constituted of claw connecting rod 40 and oil cylinder connecting rod 50 is in contact with the second claw 20.This When no matter cable end will not be opened by great pulling force, the first claw 10 and the second claw 20.
When further, in the locked condition, emergency release provided in an embodiment of the present invention can be also used for detecting The size for the pulling force that cable end is subject to.
Specifically, the both ends of stress pin 30 are fixed on winch drum, and stress pin 30 is equipped with foil gauge.When cable end by When pulling force, which can be transmitted on stress pin 30 by the first claw 10 and the second claw 20, and stress pin 30 is caused to occur Deformation, can be detected the size of stress suffered by stress pin 30 by foil gauge, to detect the size for the pulling force that cable end is subject to.
Three, emergency release conditions
Fig. 8 is the structural schematic diagram that a kind of emergency release provided in an embodiment of the present invention is in emergency release conditions, As shown in figure 8, the second pitman shaft 62 is in emergency releasing position, even if 62 institute of first connecting rod axis 61 and the second pitman shaft Straight line and third pitman shaft 63 and the second pitman shaft 62 where straight line constitute V-structure, the opening of the V-structure Towards the position of stress pin 30.The pulling force that cable end is subject at this time can be converted into that the first claw 10 and the second claw 20 is promoted to open Power opens up into suitable angle to the first claw 10 and the second claw 20, and cable end can be deviate from from mounting groove 90, completes cable Emergency between rope and winch discharges.
In practical manufacturing process, the emergency release can be set to length less than 1 meter, width is 0.8 meter, high Degree is 0.6 meter, therefore the small volume of the emergency release.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of emergency release, which is characterized in that the emergency release includes the first claw, the second claw, stress Pin, claw connecting rod, oil cylinder connecting rod, first connecting rod axis, second connecting rod axis, third connecting rod axis, the first oil cylinder connecting rod axis, the second oil cylinder Pitman shaft and oil cylinder;
First claw and second claw are hinged by the stress pin;One end of the claw connecting rod and described second One end of claw is hinged by first connecting rod axis, and the other end of the claw connecting rod and one end of the oil cylinder connecting rod are described in Second connecting rod axis is hinged, and one end of first claw and the oil cylinder connecting rod are hinged by the third connecting rod axis, the oil One end of the other end of cylinder rod and the oil cylinder is hinged by the first oil cylinder connecting rod axis, the other end of the oil cylinder and institute The other end for stating the first claw is hinged by the second oil cylinder connecting rod axis;
The other end of the other end of first claw and second claw is formed with the installation of the cable end for installing hawser Slot.
2. emergency release according to claim 1, which is characterized in that first claw includes upper clipping claw and lower card Pawl, the upper clipping claw is identical with the structure of the lower claw, and second claw is folded in the upper clipping claw and the lower claw Between, the oil cylinder is folded between the upper clipping claw and the lower claw, the oil cylinder connecting rod be folded in the upper clipping claw and Between the lower claw.
3. emergency release according to claim 1, which is characterized in that the claw connecting rod includes first connecting rod and Two connecting rods, the first connecting rod is identical with the structure of the second connecting rod, second claw be folded in the first connecting rod and Between the second connecting rod, one end of the oil cylinder connecting rod is folded between the first connecting rod and the second connecting rod.
4. emergency release according to claim 1, which is characterized in that the oil cylinder connecting rod it is hinged with the oil cylinder One end be equipped with opening, the oil cylinder one end setting in the opening.
5. emergency release according to claim 1, which is characterized in that the emergency release further includes hawser pendulum Dynamic angle detection module, the hawser swing angle detection module includes fixing bolt and angle detection unit, the fixed spiral shell For bolt for fixing second claw and the stress pin, the angle detection unit is used to detect the rotation of the stress pin Angle.
6. emergency release according to claim 5, which is characterized in that the angle detection unit be encoder or Angular transducer.
7. described in any item emergency releases according to claim 1~6, which is characterized in that the emergency release is also Including claw monitoring modular, the claw monitoring modular includes metal plate, close to switch and mounting base, described close to switch setting In the mounting base, the metal plate is fixed on first claw, and the mounting base is fixed on second claw, Alternatively, the mounting base is fixed on first claw, the metal plate is fixed on second claw;The metal plate It is oppositely arranged with described close to switch.
8. described in any item emergency releases according to claim 1~6, which is characterized in that one end of the oil cylinder is equipped with Along the sliding slot of the oil cylinder being axially arranged, the first oil cylinder connecting rod axis is arranged in the sliding slot, and first oil cylinder Pitman shaft is fixed in the sliding slot by the pin that is broken.
9. described in any item emergency releases according to claim 1~6, which is characterized in that be arranged with outside the stress pin Solid embedded self-lubricating bearing, the solid embedded self-lubricating bearing be located at first claw, second claw with it is described The hinged place of stress pin.
10. described in any item emergency releases according to claim 1~6, which is characterized in that the first connecting rod outer shaft sleeve Equipped with solid embedded self-lubricating bearing, the solid embedded self-lubricating bearing be located at second claw, the claw connecting rod with The hinged place of the first connecting rod axis;
The second connecting rod outer shaft sleeve is equipped with solid embedded self-lubricating bearing, and the solid embedded self-lubricating bearing is located at the card The hinged place of pawl connecting rod, the oil cylinder connecting rod and the second connecting rod axis;
The third connecting rod outer shaft sleeve is equipped with solid embedded self-lubricating bearing, and the solid embedded self-lubricating bearing is located at described the The hinged place of one claw, the oil cylinder connecting rod and the third connecting rod axis.
CN201810699135.XA 2018-06-29 2018-06-29 Emergency release device Active CN109131745B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810699135.XA CN109131745B (en) 2018-06-29 2018-06-29 Emergency release device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810699135.XA CN109131745B (en) 2018-06-29 2018-06-29 Emergency release device

Publications (2)

Publication Number Publication Date
CN109131745A true CN109131745A (en) 2019-01-04
CN109131745B CN109131745B (en) 2019-12-06

Family

ID=64802492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810699135.XA Active CN109131745B (en) 2018-06-29 2018-06-29 Emergency release device

Country Status (1)

Country Link
CN (1) CN109131745B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111111042A (en) * 2019-12-27 2020-05-08 中国航空工业集团公司西安飞机设计研究所 Emergency releasing device
CN114701924A (en) * 2022-04-29 2022-07-05 珠海云洲智能科技股份有限公司 Ship cable cutting system, ship cable cutting method and storage medium
CN115056915A (en) * 2022-06-23 2022-09-16 广东工业大学 Large cable mooring device with five-connecting-rod quick release mechanism

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1122031A1 (en) * 2000-01-31 2001-08-08 M. Dubuis et Compagnie Clamping tool and especially crimping tool
US6619623B1 (en) * 2002-05-10 2003-09-16 Jacob Kobelt Chain pulling device
CN2695325Y (en) * 2004-03-12 2005-04-27 胡志成 Truck cab pneumatic / manual fastening lock
WO2006091109A1 (en) * 2005-02-25 2006-08-31 I.P. Huse As Device for installation of equipment on the sea bed
KR20120058262A (en) * 2010-11-29 2012-06-07 대우조선해양 주식회사 Side by side mooring apparatus
CN202643206U (en) * 2012-05-16 2013-01-02 江苏佳力起重机械制造有限公司 External installation device of electric hoist overload limiter
CN103663224A (en) * 2013-11-18 2014-03-26 武汉船用机械有限责任公司 Emergent releasing device and winch
CN207257903U (en) * 2017-09-22 2018-04-20 南京佳乐船舶设备有限公司 The emergent de- cable device of ship locking

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1122031A1 (en) * 2000-01-31 2001-08-08 M. Dubuis et Compagnie Clamping tool and especially crimping tool
US6619623B1 (en) * 2002-05-10 2003-09-16 Jacob Kobelt Chain pulling device
CN2695325Y (en) * 2004-03-12 2005-04-27 胡志成 Truck cab pneumatic / manual fastening lock
WO2006091109A1 (en) * 2005-02-25 2006-08-31 I.P. Huse As Device for installation of equipment on the sea bed
KR20120058262A (en) * 2010-11-29 2012-06-07 대우조선해양 주식회사 Side by side mooring apparatus
CN202643206U (en) * 2012-05-16 2013-01-02 江苏佳力起重机械制造有限公司 External installation device of electric hoist overload limiter
CN103663224A (en) * 2013-11-18 2014-03-26 武汉船用机械有限责任公司 Emergent releasing device and winch
CN207257903U (en) * 2017-09-22 2018-04-20 南京佳乐船舶设备有限公司 The emergent de- cable device of ship locking

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
[法]菲利浦·科依费特等: "《机器人技术导论》", 31 May 1991, 国防科技大学出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111111042A (en) * 2019-12-27 2020-05-08 中国航空工业集团公司西安飞机设计研究所 Emergency releasing device
CN114701924A (en) * 2022-04-29 2022-07-05 珠海云洲智能科技股份有限公司 Ship cable cutting system, ship cable cutting method and storage medium
CN114701924B (en) * 2022-04-29 2024-01-26 珠海云洲智能科技股份有限公司 Ship cable cutting system, ship cable cutting method and storage medium
CN115056915A (en) * 2022-06-23 2022-09-16 广东工业大学 Large cable mooring device with five-connecting-rod quick release mechanism

Also Published As

Publication number Publication date
CN109131745B (en) 2019-12-06

Similar Documents

Publication Publication Date Title
CN109131745A (en) A kind of emergency release
CN201647085U (en) Quick boat recovery and release installation
CN101746680B (en) Device for rapidly collecting and releasing boats
CN1264722C (en) Improvement of sea anchor
US5845893A (en) Underwater self-aligning fairlead latch device for mooring a structure at sea
CN108995767A (en) A kind of winch
US7367278B2 (en) Device of a towing pin for guiding a cable on board a vessel
NO334705B1 (en) Guide block with integrated chain stop
AU2010229451B2 (en) A hydraulic mooring cable holding device
CN101807786B (en) Method for mounting power cable repairing final elbow
CN111332409B (en) Chain stopper and use method thereof
CN103663224B (en) A kind of emergency release and winch
KR20110065878A (en) Remote mooring monitoring device
US4618179A (en) Method of unloading a vessel by means of a crane arranged on an offshore platform and a crane adapted to carry out this method
CN211996055U (en) Chain stopper
CN116133940A (en) Lanyard tension monitoring system
CN101898691B (en) Method for replacing pitching steel wire ropes of ship loader
CN103118932B (en) Retractable chain connector
CN106741631B (en) A kind of towing winch
EP3154852A1 (en) A tensile overload protection system for offloading systems
CN107826214A (en) Marine site probing sand anchor and cast anchor and the method that weighs anchor
CN220640162U (en) Wind-powered electricity generation fortune dimension work ship bow cable positioner
US8967913B2 (en) Retractable chain connector
US4066031A (en) Device for regulation of anchorage forces
CA1260865A (en) Method of unloading a vessel by means of a crane arranged on an offshore platform and a crane adapted to carry out this method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant