CN102408076B - Winch device for lifting rescue boat - Google Patents

Winch device for lifting rescue boat Download PDF

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Publication number
CN102408076B
CN102408076B CN 201110226753 CN201110226753A CN102408076B CN 102408076 B CN102408076 B CN 102408076B CN 201110226753 CN201110226753 CN 201110226753 CN 201110226753 A CN201110226753 A CN 201110226753A CN 102408076 B CN102408076 B CN 102408076B
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Prior art keywords
overrunning clutch
type overrunning
roller
gear wheel
speed
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CN102408076A (en
Inventor
陈修志
张海荣
顾志伟
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JIANGSU JIAOYAN SHIP EQUIPMENT CO Ltd
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JIANGSU JIAOYAN SHIP EQUIPMENT CO Ltd
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Abstract

The invention relates to a winch device for lifting a rescue boat, which comprises a box body, a winding drum, a winding drum transmission shaft, a gearwheel, a first gear shaft, a second gear shaft, an unidirectional speed limiting device, a brake device, a first roller type overrunning clutch and a hoisting motor. The winch device is characterized in that a second roller type overrunning clutchopposite to the first roller type overrunning clutch is arranged in a first star shaft of the first roller type overrunning clutch, the unidirectional speed limiting device comprises a speed limitingcase, a speed limiting balance weight, a third roller type overrunning clutch and a spring, the second gear shaft is connected with a third star shaft of the third roller type overrunning clutch of the unidirectional speed limiting device, the outer side of the unidirectional speed limiting device is also provided with a hydraulic motor, and the hydraulic motor is connected with the third star shaft of the third roller type overrunning clutch. The winch device has the advantages that the winch device can be lifted at a high speed, and a rope can be always in the tightened state when the rescue boat is on the water surface.

Description

A kind of winch gear of lifting rescue craft
Technical field
The present invention relates to a kind of winch gear, relate in particular to a kind of winch gear of lifting rescue craft.
Background technology
The winch gear of lifting rescue craft comprises casing, reel, reel transmission shaft, big gear wheel, gear wheel shaft at present
Figure 2011102267530100002DEST_PATH_IMAGE001
, gear wheel shaft
Figure 211151DEST_PATH_IMAGE002
, unidirectional speed-limit device, brake gear, free-wheel clutch and bridge motor, unidirectional speed-limit device comprises speed limit shell, speed limit pouring weight, rotating shaft and spring, rotating shaft is arranged in the speed limit shell, and the speed limit pouring weight is connected in the rotating shaft by eye plate, and spring is connected speed limit pouring weight rear end; Brake gear comprises weight, screw rod, friction lining, internal tooth axle, external tooth axle and shell; Reel is arranged on top, the casing outside, and unidirectional speed-limit device and brake gear are arranged on the reel below in the casing outside, and reel links to each other big gear wheel and gear wheel shaft by the reel transmission shaft with big gear wheel Link to each other gear wheel shaft Respectively with external tooth axle and the gear wheel shaft of brake gear
Figure 363019DEST_PATH_IMAGE002
Link to each other; Gear wheel shaft
Figure 352972DEST_PATH_IMAGE002
Link to each other with the rotating shaft of unidirectional speed-limit device; Bridge motor is arranged on the casing of brake gear rear side, and bridge motor links to each other by the internal tooth axle of free-wheel clutch and brake gear;
When the lifting rescue craft, because the deadweight effect of brake gear weight drives screw rod and rotates, and mobile to the inside, Friction disk is fastened, start bridge motor this moment, drive the internal tooth axle by free-wheel clutch, drive the external tooth axle by Friction disk again, by external tooth shaft driven gear axle
Figure 602687DEST_PATH_IMAGE001
, gear wheel shaft
Figure 119119DEST_PATH_IMAGE001
Drive big gear wheel and gear wheel shaft respectively Big gear wheel drives reel by the reel transmission shaft rescue craft on the cable is risen; And gear wheel shaft
Figure 906127DEST_PATH_IMAGE002
Drive the rotating shaft of unidirectional speed-limit device, the rotating shaft meeting drives the speed limit pouring weight, makes the friction of speed limit pouring weight and speed limit shell, and the bridge motor rotating speed of the winch gear of existing lifting rescue craft can not be too fast for this reason, thereby limited the speed that rescue craft rises at a high speed;
When putting down the lifting rescue craft, bridge motor quits work, and lifts weight, and it is mobile laterally to drive screw rod, Friction disk is unclamped, and the rescue craft free fall, reel drives the reel transmission shaft, and the reel transmission shaft drives big gear wheel, driven gear axle again
Figure 490692DEST_PATH_IMAGE001
, gear wheel shaft
Figure 330472DEST_PATH_IMAGE001
Difference driven gear axle
Figure 217656DEST_PATH_IMAGE002
With the external tooth axle of brake gear, because Friction disk unclamps, the external tooth axle just can not drive the internal tooth axle, and gear wheel shaft
Figure 41256DEST_PATH_IMAGE002
Drive the rotating shaft of unidirectional speed-limit device, the rotating shaft meeting drives the speed limit pouring weight, makes the friction of speed limit pouring weight and speed limit shell, thereby restriction rescue craft descending speed, rescue craft can at the uniform velocity be fallen carry out salvage work on the water surface, this moment, rescue craft and cable were not separated, also must make cable be in tensioned state; But owing to the cause of wave in the ocean, when rescue craft was thrown in the air by wave, the winch gear of lifting rescue craft can't in time tighten up cable, causes the rescue craft free-falling body, and occupant and rescue craft are caused damage.
Summary of the invention
At above-mentioned shortcoming, the object of the invention is to provide a kind of winch gear that can rise and make rescue craft cable when the water surface always to be in the lifting rescue craft of tensioned state at a high speed.
Technology contents of the present invention is: a kind of winch gear of lifting rescue craft comprises casing, reel, reel transmission shaft, big gear wheel, gear wheel shaft , gear wheel shaft
Figure 497700DEST_PATH_IMAGE002
, unidirectional speed-limit device, brake gear, roller-type overrunning clutch
Figure 149261DEST_PATH_IMAGE001
And bridge motor; Brake gear comprises weight, screw rod, friction lining, internal tooth axle, external tooth axle and shell; Reel is arranged on top, the casing outside, and unidirectional speed-limit device and brake gear are arranged on the reel below in the casing outside, and reel links to each other big gear wheel and gear wheel shaft by the reel transmission shaft with big gear wheel
Figure 725736DEST_PATH_IMAGE001
Link to each other gear wheel shaft
Figure 527470DEST_PATH_IMAGE001
Respectively with external tooth axle, the gear wheel shaft of brake gear
Figure 76263DEST_PATH_IMAGE002
Link to each other; Roller-type overrunning clutch
Figure 695463DEST_PATH_IMAGE001
Link to each other with the internal tooth axle of brake gear; Bridge motor is arranged on the casing of brake gear rear side; It is characterized in that at roller-type overrunning clutch
Figure 962496DEST_PATH_IMAGE001
The star axle
Figure 302342DEST_PATH_IMAGE001
In one and roller-type overrunning clutch are set Reverse roller-type overrunning clutch
Figure 761322DEST_PATH_IMAGE002
, the rotating shaft of bridge motor and roller-type overrunning clutch
Figure 656597DEST_PATH_IMAGE002
The star axle
Figure 659188DEST_PATH_IMAGE002
Link to each other; Unidirectional speed-limit device comprises speed limit shell, speed limit pouring weight, roller-type overrunning clutch
Figure 2011102267530100002DEST_PATH_IMAGE003
And spring, roller-type overrunning clutch
Figure 618792DEST_PATH_IMAGE003
Be arranged in the speed limit shell, the speed limit pouring weight is connected roller-type overrunning clutch by eye plate
Figure 783057DEST_PATH_IMAGE003
The outer ring
Figure 555841DEST_PATH_IMAGE003
On; Gear wheel shaft
Figure 96543DEST_PATH_IMAGE002
Roller-type overrunning clutch with unidirectional speed-limit device The star axle
Figure 12864DEST_PATH_IMAGE003
Link to each other; In the unidirectional speed-limit device outside one HM Hydraulic Motor, HM Hydraulic Motor and roller-type overrunning clutch are housed also
Figure 476206DEST_PATH_IMAGE003
The star axle Link to each other.
Because the effect of HM Hydraulic Motor only is used for tightening steel rope, so it is little to play load up, drive Hydraulic Pump by oil pump motor, can control the moment of torsion of HM Hydraulic Motor by the pressure of adjusting by pass valve, and controlled load up, leave the water surface to prevent that life boat with sky from hoisting.
When rescue craft at the water surface, because the wave effect when throwing life boat in the air, is rotated by HM Hydraulic Motor driven gear axle in the present invention at faster speed, thereby the lifting velocity that drives cable surpasses the speed that wave rises, and lifts by crane cable so and can tighten always.
The advantage that compared with prior art has of the present invention is: pass through roller-type overrunning clutch
Figure 725102DEST_PATH_IMAGE003
Do not make the friction of speed limit pouring weight and speed limit shell, rescue craft can be risen at a high speed; Drive the star axle by HM Hydraulic Motor simultaneously
Figure 762328DEST_PATH_IMAGE003
And finally drive reel and rotate, when rescue craft is thrown in the air by wave, can in time tighten up cable, can not make the rescue craft free-falling body, thereby avoid damage that occupant and rescue craft are caused.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 be among Fig. 1 A-A to scheme drawing.
Fig. 3 be among Fig. 1 B-B to scheme drawing.
Fig. 4 be among Fig. 2 C-C to scheme drawing.
Fig. 5 be among Fig. 3 D-D to scheme drawing.
Fig. 6 is the hydraulic schematic diagram of control HM Hydraulic Motor.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of winch gear of lifting rescue craft comprises casing 1, reel 2, reel transmission shaft 3, big gear wheel 4, gear wheel shaft
Figure 385070DEST_PATH_IMAGE001
5, gear wheel shaft
Figure 267576DEST_PATH_IMAGE002
6, unidirectional speed-limit device 7, brake gear 8, roller-type overrunning clutch
Figure 151218DEST_PATH_IMAGE001
9 and bridge motor 10; Brake gear 8 comprises weight 8.1, screw rod 8.2, friction lining 8.3, internal tooth axle 8.4, external tooth axle 8.5 and shell 8.6; Reel 2 is arranged on top, casing 1 outside, and unidirectional speed-limit device 7 and brake gear 8 are arranged on reel 2 belows in casing 1 outside, and reel 2 links to each other big gear wheel 4 and gear wheel shaft by reel transmission shaft 3 with big gear wheel 4
Figure 828187DEST_PATH_IMAGE001
5 link to each other gear wheel shaft 5 respectively with external tooth axle 8.5, the gear wheel shaft of brake gear 8
Figure 388536DEST_PATH_IMAGE002
6 link to each other; Roller-type overrunning clutch
Figure 595527DEST_PATH_IMAGE001
9 star axle
Figure 115501DEST_PATH_IMAGE001
9.1 link to each other with the internal tooth axle 8.4 of brake gear 8; Bridge motor 10 is arranged on the casing 1 of brake gear 8 rear sides; It is characterized in that at roller-type overrunning clutch
Figure 40731DEST_PATH_IMAGE001
9 star axle
Figure 796198DEST_PATH_IMAGE001
9.1 in one and roller-type overrunning clutch are set 9 reverse roller-type overrunning clutches
Figure 814149DEST_PATH_IMAGE002
11, rotating shaft 10.1 and the roller-type overrunning clutch of bridge motor 10
Figure 492256DEST_PATH_IMAGE002
11 star axle
Figure 520254DEST_PATH_IMAGE002
11.1 link to each other; Unidirectional speed-limit device 7 comprises speed limit shell 7.1, speed limit pouring weight 7.2, roller-type overrunning clutch
Figure 108362DEST_PATH_IMAGE003
7.3 with spring 7.4, roller-type overrunning clutch 7.3 be arranged in the speed limit shell 7.1, speed limit pouring weight 7.2 is connected roller-type overrunning clutch by eye plate 7.5
Figure 994595DEST_PATH_IMAGE003
7.3 the outer ring
Figure 465765DEST_PATH_IMAGE003
7.3.1 on; Gear wheel shaft
Figure 501855DEST_PATH_IMAGE002
6 and the roller-type overrunning clutch of unidirectional speed-limit device 7
Figure 659166DEST_PATH_IMAGE003
7.3 the star axle 7.3.2 link to each other; In unidirectional speed-limit device 7 outsides one HM Hydraulic Motor 12, HM Hydraulic Motor 12 and roller-type overrunning clutch are housed also
Figure 557032DEST_PATH_IMAGE003
7.3 the star axle
Figure 244366DEST_PATH_IMAGE003
7.3.2 link to each other.
As shown in Figure 6, oil pump motor drives Hydraulic Pump, can control the moment of torsion of HM Hydraulic Motor by the pressure of adjusting by pass valve, and control load up, leaves the water surface to prevent that life boat with sky from hoisting.
Principle of work of the present invention is: when the lifting rescue craft, because the deadweight effect of brake gear weight 8.1 drives screw rod 8.2 and rotates, and it is mobile to the inside, Friction disk 8.3 is fastened, start bridge motor 10 this moment, by the rotating shaft 10.1 drive roller-type overrunning clutches of bridge motor 10
Figure 447945DEST_PATH_IMAGE002
11, roller-type overrunning clutch
Figure 56781DEST_PATH_IMAGE002
11 drive roller-type overrunning clutch
Figure 495852DEST_PATH_IMAGE001
9, pass through roller-type overrunning clutch
Figure 506534DEST_PATH_IMAGE001
9 drive internal tooth axle 8.4, drive external tooth axle 8.5 by Friction disk 8.3 again, by external tooth axle 8.5 driven gear axles
Figure 881014DEST_PATH_IMAGE001
5, gear wheel shaft 5 drive big gear wheel 4 and gear wheel shaft respectively
Figure 219909DEST_PATH_IMAGE002
6; Canine tooth 4 is taken turns by reel transmission shaft 3 drive reels 2 rescue craft on the cable is risen; And gear wheel shaft
Figure 255736DEST_PATH_IMAGE002
6 drive the roller-type overrunning clutch of unidirectional speed-limit device 7
Figure 394593DEST_PATH_IMAGE003
7.3 the star axle
Figure 243600DEST_PATH_IMAGE003
7.3.2, because roller-type overrunning clutch
Figure 165420DEST_PATH_IMAGE003
7.3 restriction, unidirectional speed-limit device 7 is inoperative, does not influence the bridge motor rotating speed thus, thereby but the high speed rescue craft rise; After the rescue craft lifting puts in place, utilize roller-type overrunning clutch
Figure 150694DEST_PATH_IMAGE001
Reel 2 is checked in 9 effect, makes rescue craft rest on desired location.
When putting down the lifting rescue craft, bridge motor 10 quits work, and lifts weight 8.1, it is mobile laterally to drive screw rod 8.2, Friction disk 8.3 is unclamped the rescue craft free fall, reel 2 drives reel transmission shaft 3, and reel transmission shaft 3 drives big gear wheel 4, driven gear axle again
Figure 991611DEST_PATH_IMAGE001
5, gear wheel shaft 5 difference driven gear axles
Figure 256687DEST_PATH_IMAGE002
6 and the external tooth axle 8.5 of brake gear 8, because Friction disk 8.3 unclamps, external tooth axle 8.5 just can not drive internal tooth axle 8.4, and gear wheel shaft 6 drive the roller-type overrunning clutch of unidirectional speed-limit device 7 7.3 the star axle
Figure 72830DEST_PATH_IMAGE003
7.3.2, again by the outer ring
Figure 195507DEST_PATH_IMAGE003
7.3.1 drive speed limit pouring weight 7.2, make speed limit pouring weight 7.2 and 7.1 frictions of speed limit shell, thereby restriction rescue craft descending speed can at the uniform velocity fall rescue craft and carries out salvage work on the water surface.
When rescue craft at the water surface because the wave effect, when throwing life boat in the air, cable is in relaxed state, drives roller-type overrunning clutches by HM Hydraulic Motor 12
Figure 155373DEST_PATH_IMAGE003
7.3 the star axle
Figure 723713DEST_PATH_IMAGE003
7.3.2, driven gear axle again 6, gear wheel shaft 6 driven gear axles
Figure 650714DEST_PATH_IMAGE001
5, gear wheel shaft
Figure 473177DEST_PATH_IMAGE001
5 drive big gear wheel 4 and external tooth axle 8.5 respectively, and big gear wheel 4 drives reel 2 by reel transmission shaft 3 cable is tightened up, thereby makes cable be in tensioned state always; Because this moment, weight 8.1 was sagging, so Friction disk 8.3 fastens, external tooth axle 8.5 drives internal tooth axle 8.4 by Friction disk 8.3, but because roller-type overrunning clutch
Figure 271369DEST_PATH_IMAGE004
9 and roller-type overrunning clutch
Figure 876793DEST_PATH_IMAGE002
11 reverse, rotate so can prevent from driving the rotating shaft 10.1 of bridge motor 10.

Claims (1)

1. the winch gear of a lifting rescue craft comprises casing (1), reel (2), reel transmission shaft (3), big gear wheel (4), gear wheel shaft (5), gear wheel shaft
Figure DEST_PATH_IMAGE004
(6), unidirectional speed-limit device (7), brake gear (8), roller-type overrunning clutch
Figure 781689DEST_PATH_IMAGE002
(9) and bridge motor (10); Brake gear (8) comprises weight (8.1), screw rod (8.2), friction lining (8.3), internal tooth axle (8.4), external tooth axle (8.5) and shell (8.6); Friction disk fastens, and the internal tooth axle drives the external tooth axle by Friction disk; Friction disk unclamps, and the external tooth axle does not drive the internal tooth axle; Reel (2) is arranged on top, casing (1) outside, and unidirectional speed-limit device (7) and brake gear (8) are arranged on reel (2) below in casing (1) outside, and reel (2) links to each other big gear wheel (4) and gear wheel shaft by reel transmission shaft (3) with big gear wheel (4)
Figure 698829DEST_PATH_IMAGE002
(5) link to each other gear wheel shaft (5) respectively with external tooth axle (8.5), the gear wheel shaft of brake gear (8)
Figure 749142DEST_PATH_IMAGE004
(6) link to each other; Roller-type overrunning clutch
Figure 563514DEST_PATH_IMAGE002
(9) star axle
Figure 261343DEST_PATH_IMAGE002
(9.1) link to each other with the internal tooth axle (8.4) of brake gear (8); Bridge motor (10) is arranged on the casing (1) of brake gear (8) rear side; It is characterized in that at roller-type overrunning clutch
Figure 338496DEST_PATH_IMAGE002
(9) star axle
Figure 599713DEST_PATH_IMAGE002
One and roller-type overrunning clutch are set (9.1)
Figure 268592DEST_PATH_IMAGE002
(9) reverse roller-type overrunning clutch (11), rotating shaft (10.1) and the roller-type overrunning clutch of bridge motor (10)
Figure 829334DEST_PATH_IMAGE004
(11) star axle
Figure 628663DEST_PATH_IMAGE004
(11.1) link to each other; Unidirectional speed-limit device (7) comprises speed limit shell (7.1), speed limit pouring weight (7.2), roller-type overrunning clutch
Figure DEST_PATH_IMAGE006
(7.3) and spring (7.4), roller-type overrunning clutch
Figure 965097DEST_PATH_IMAGE006
(7.3) be arranged in the speed limit shell (7.1), speed limit pouring weight (7.2) is connected roller-type overrunning clutch by eye plate (7.5)
Figure 394942DEST_PATH_IMAGE006
(7.3) outer ring
Figure 698884DEST_PATH_IMAGE006
(7.3.1); Gear wheel shaft
Figure 974008DEST_PATH_IMAGE004
(6) and the roller-type overrunning clutch of unidirectional speed-limit device (7)
Figure 430528DEST_PATH_IMAGE006
(7.3) star axle
Figure 765694DEST_PATH_IMAGE006
(7.3.2) link to each other; In unidirectional speed-limit device (7) outside one HM Hydraulic Motor (12), HM Hydraulic Motor (12) and roller-type overrunning clutch are housed also
Figure 494616DEST_PATH_IMAGE006
(7.3) star axle
Figure 635747DEST_PATH_IMAGE006
(7.3.2) link to each other.
CN 201110226753 2011-08-09 2011-08-09 Winch device for lifting rescue boat Active CN102408076B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103466485A (en) * 2013-09-30 2013-12-25 江苏佼燕船舶设备有限公司 Speed-variable rescue boat winch device

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CN103420301A (en) * 2012-05-14 2013-12-04 陈早明 Energy-storage type energy-saving winch set for hook of drilling rig
CN103991809B (en) * 2014-05-14 2016-07-06 南京中船绿洲机器有限公司镇江船舶辅机厂 A kind of winch for folding and unfolding dink
CN104696389A (en) * 2015-02-09 2015-06-10 镇江维斯特船用设备有限公司(外商独资) Speed limiting clutch device for lifeboat rotary hanging bracket
CN105485209A (en) * 2015-12-23 2016-04-13 苏州市凯业金属制品有限公司 Damping one-way bearing
CN109384158A (en) * 2018-12-18 2019-02-26 江苏佼燕船舶设备有限公司 Compensation of undulation formula winch gear with pneumatic raising

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CN202226588U (en) * 2011-08-09 2012-05-23 江苏佼燕船舶设备有限公司 Winch device of lifting rescue boat

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN103466485A (en) * 2013-09-30 2013-12-25 江苏佼燕船舶设备有限公司 Speed-variable rescue boat winch device
CN103466485B (en) * 2013-09-30 2015-07-08 江苏佼燕船舶设备有限公司 Speed-variable rescue boat winch device

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