Peculiar to vesselly hang ship, hang raft and hoisting three is used winch
Technical field
The present invention relates to a kind of loop wheel machine peculiar to vessel, particularly a kind of can the landing life boat, raft again can lifting cargo loop wheel machine, belong to outfitting technical field peculiar to vessel.
Background technology
At present, life boat, the raft loop wheel machine that domestic all kinds of boats and ships the are equipped with hoisting crane of holding concurrently all is equipped with two winches, one is the winch that is used for landing life boat, raft, another is the cargo winch that is used for lifting cargo, the reason that ship raft winch and cargo winch can not unite two into one is that winch only can be realized electric up-down, or the remote manual control lifting, transferring of ship raft is to rely on the gravity of ship raft itself to realize, so ship raft winch can not lifting cargo.Cargo winch is to drive reel by electrical motor or fluid motor-driven retarder to rotate, thereby the control goods hoists and falls and puts, because its motor is synchronoused working with retarder and reel, transfer so can not realize gravity, and, the hoisting or descending speed and fall and put safety factor strict demand is all arranged of ship raft, according to relevant industry standard requirement, ship raft loop wheel machine needs still to realize that it transfers under the situation of dead electricity, finish lifesaving and relief requirement, and cargo winch does not possess the function of boom boat raft.
Be equipped with two winches on a loop wheel machine peculiar to vessel, mechanism is huge, complex operation, has strengthened equipment cost, has reduced the reliability of loop wheel machine peculiar to vessel.
Summary of the invention
The technical problem to be solved in the present invention is: at what existing lifesaving peculiar to vessel, relief held concurrently that the loop wheel machine of lifting exists two crane winchs must be set simultaneously, realize landing life boat, raft and lifting cargo respectively, this structure has caused loop wheel machine peculiar to vessel mechanism huge, complex operation, the defective that equipment cost is high, propose a kind ofly peculiar to vesselly to hang ship, hang raft and hoisting three is used winch with what ship raft winch and cargo winch united two into one, adopt this three to use winch, can simplify the structure of loop wheel machine peculiar to vessel, lower the manufacturing cost of loop wheel machine peculiar to vessel.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind ofly peculiar to vesselly hang ship, hang raft and hoisting three is used winch, comprise HM Hydraulic Motor, velocity limiter, carrier gear case, retarder, main drum, outer plain bearing, interior plain bearing, interior plain bearing support, base, outer plain bearing support.The spacer flanger of described HM Hydraulic Motor and the end face of described velocity limiter are separately fixed on the tank wall of carrier gear case, the lower end of described carrier gear case is fixed on the base, the radial flange circle of described retarder shell is captiveed joint with the tube cone spacer of described main drum, also comprise little reel and rouleau tube power-transfer clutch, described main drum and little reel are bearing on the same axis, described rouleau jacket casing is contained on the rouleau tube power-transfer clutch, the axial end bearing of described main drum is on the extended flange circle of carrier gear case, the axial other end of this main drum is captiveed joint with the termination of rouleau tube power-transfer clutch, and the inner end by interior plain bearing be bearing on the plain bearing support, in the movable termination of described rouleau tube power-transfer clutch extend in the plain bearing outer end, by interior plain bearing bracket supports on base.The middle part of described rouleau tube power-transfer clutch is bearing on the outer plain bearing support, and described outer plain bearing support is connected with interior plain bearing support by the U template that is fixed on its underpart.
Purpose of the present invention can also further realize by following technical measures.
Aforesaidly peculiar to vesselly hang ship, hang raft and hoisting three is used winch, wherein said rouleau tube clutch pack oil scraper cylinder, hollow slide shaft, little rotating shaft; The end face flange of described oil cylinder is fixed on the lateral surface of described outer plain bearing support, the oil cylinder piston bar passes hollow slide shaft, its outer end is provided with bearing, the outer ring of described bearing is fixed in the macropore of hollow slide shaft, described bearing cone is fixed on the termination of oil cylinder piston bar, the movable end of described rouleau tube power-transfer clutch is hollow slide shaft, and the big nose end of described hollow slide shaft is bearing on the interior plain bearing support by the outer end of interior plain bearing; The small bore end of described hollow slide shaft is by outer sliding supported condition outside on the plain bearing support, the external tooth that the radial equipartition of the big nose end end face of this hollow slide shaft protrudes, one end of described little rotating shaft is captiveed joint with the centre hole of parent roll side, the other end of this little rotating shaft extend in the inner end of interior plain bearing, its end face is the also external tooth of uniform protrusion radially, and the external tooth of both end faces is relative in twos.
Aforesaidly peculiar to vesselly hang ship, hang raft and hoisting three is used winch, the external tooth of the radial equipartition of wherein said slip hollow shaft and described anchor shaft is the serration external tooth.
Aforesaidly peculiar to vesselly hang ship, hang raft and hoisting three is used winch, wherein said velocity limiter comprises velocity limiter housing, center gear, velocity limiter axle, speed limit piece, friction lining, speed limit piece pin, extension spring, first tension spring pin, second tension spring pin; One end of described velocity limiter axle is captiveed joint with center gear, and the other end of described velocity limiter axle passes the velocity limiter housing and extend in the carrier gear case, captives joint with second carrier gear, and is bearing on the carrier gear case by bearing; Described friction lining is fixedly connected on the outer rim of speed limit piece, and at least two speed limit piece centers are arranged in the circular groove of center gear symmetrically, and an end of speed limit piece is hinged by speed limit piece pin and center gear; At least two extension spring centers are arranged in the center gear circular groove symmetrically, first tension spring pin is fixed on the speed limit piece other end, second tension spring pin is fixed on the side of center gear circular groove, and an end of extension spring is enclosed within on described first tension spring pin, and the other end of extension spring is enclosed within on described second tension spring pin.
Aforesaidly peculiar to vesselly hang ship, hang raft and hoisting three is used winch, in the carrier gear case, an end of tween drive shaft is sleeved on the hydraulic motor output shaft, captives joint with hydraulic motor output shaft; The middle part of described tween drive shaft is bearing in by bearing on the extended flange circle of carrier gear case, and this extended flange circle is captiveed joint with the retarder tank wall, and the termination of the other end of described tween drive shaft passes the extended flange circle and captives joint with the input end of retarder; First carrier gear is sleeved on the end of tween drive shaft, described first carrier gear and the engagement of second carrier gear.
The present invention merges into a winch with existing ship raft winch and cargo winch, simplified the structure of loop wheel machine peculiar to vessel greatly, reduced by a loop wheel machine space that winch occupies, this three usefulness winch is easy and simple to handle, reduced the auxiliary facilities of loop wheel machine peculiar to vessel, greatly reduce the manufacturing cost of loop wheel machine peculiar to vessel, improved this product competitive power in market at home and abroad.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the I portion enlarged drawing of Fig. 1.
Fig. 3 is that the A of Fig. 1 is to enlarged drawing.
Fig. 4 is the B-B cutaway view of Fig. 3.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As Fig. 1~shown in Figure 4, the present invention includes HM Hydraulic Motor 1, velocity limiter 2, carrier gear case 3, retarder 4, main drum 5, rouleau tube 6, rouleau tube power-transfer clutch 7, outer plain bearing 8, interior plain bearing 9, interior plain bearing support 10, base 11, outer plain bearing support 12.The spacer flanger 1-1 of HM Hydraulic Motor 1 and the end face 2-10 of velocity limiter 2 are fixed on the tank wall of carrier gear case 3 by fastener respectively, the footing 3-4 of carrier gear case 3 is fixed on the base 11 by fastener, and the radial flange circle 4-1 of retarder shell is captiveed joint by fastener with the tube cone spacer 5-1 of main drum.The axial end bearing of main drum 5 on the extended flange circle 3-1 of carrier gear case 3, the end of the other end that this main drum 5 is axial and the little rotating shaft 7-3 of rouleau tube power-transfer clutch 7, by the flat key captive joint, main drum 5 and rouleau tube 6 are bearing on the same axis.
The inner end of plain bearing 9 in the other end of little rotating shaft 7-3 is packed into is bearing on the interior plain bearing support 10 the main drum 5 axial other ends, and main drum 5 can only can not move axially around its rotational.The movable termination of rouleau tube power-transfer clutch 7 is the collar extension of plain bearing 9 in the big nose end 7-21 of hollow slide shaft 7-2 extend into, and is bearing on the base 11 by neck bearing support 10; The hollow slide shaft 7-2 at rouleau tube power-transfer clutch 7 middle parts is bearing on the outer bearing support 12 by interior plain bearing 9, and outer bearing support 12 is connected with neck bearing support 10 by the U template 12-1 that is fixed on its underpart.
Rouleau tube power-transfer clutch 7 comprises oil cylinder 7-1, hollow slide shaft 7-2, little rotating shaft 7-3.The end face flange 7-11 of oil cylinder is fixed on the lateral surface of outer bearing support 12 by fastener, oil cylinder piston bar 7-12 passes the endoporus of hollow slide shaft 7-2, its outer end is provided with bearing 7-4, the outer ring 7-41 of bearing 7-4 is fixed in the macropore 7-21 of hollow slide shaft 7-2 by back-up ring, the inner ring 7-42 of bearing 7-4 is fixed on the termination of oil cylinder piston bar 7-12 by baffle plate, like this, bearing 7-4's axially is subjected to two-way restriction.The movable end of rouleau tube power-transfer clutch 7 is hollow slide shaft 7-2, and the inner hole sleeve of rouleau tube 6 is contained on the outer peripheral face of rouleau tube power-transfer clutch 7, is free-running fit between rouleau tube 6 and the hollow slide shaft 7-2; Rouleau tube 6 axially spacing by the end face and the shaft block ring of outer plain bearing 8 respectively to it, therefore, rouleau tube 6 can not move axially, and hollow slide shaft 7-2 can move axially under the guiding of feather key 7-5, and can drive 6 rotations of rouleau tube, the outer end of oil cylinder piston bar 7-12 is bearing on the bearing 7-4, prevents to drive when hollow slide shaft 7-2 from rotating oil cylinder piston bar 7-12 and rotates.The big nose end 7-21 of hollow slide shaft 7-2, on the plain bearing support 10, the small bore end 7-22 of hollow slide shaft 7-2 was bearing on the outer bearing support by outer plain bearing 8 in the outer end by interior plain bearing 9 was bearing in.The external tooth 7-23 that the end face radial equipartition of the big nose end 7-21 of this hollow slide shaft 7-2 protrudes, the outer end of plain bearing 9 in the other end of little rotating shaft 7-3 extend into, its end face is the also external tooth 7-31 of uniform protrusion radially, the external tooth of both end faces is relative in twos, the profile of tooth of external tooth 7-23 and external tooth 7-31 can be triangle, rectangle, trapezoidal etc., and the external tooth of present embodiment is the serration external tooth.
Velocity limiter 2 comprises velocity limiter housing 2-1, center gear 2-2, velocity limiter axle 2-3, speed limit piece 2-4, friction lining 2-5, speed limit piece pin 2-6, extension spring 2-7, the first tension spring pin 2-8, the second tension spring pin 2-9.The end of velocity limiter axle 2-3 is captiveed joint with center gear 2-2 by flat key, the other end of velocity limiter axle 2-3 passes velocity limiter housing 2-1 and extend in the carrier gear case 3, captive joint with the second carrier gear 3-3 by flat key, and be bearing on the carrier gear case 3 by bearing.Friction lining 2-5 is fixedly connected on the outer rim of speed limit piece 2-4, and in the present embodiment, two speed limit piece 2-4 centers are arranged in the circular groove 2-21 of center gear 2-2 symmetrically, and the end of speed limit piece 2-4 is hinged by speed limit piece pin 2-6 and center gear 2-2.Two extension spring 2-7 centers are arranged in the center gear circular groove 2-21 symmetrically, the first tension spring pin 2-8 is fixed on the speed limit piece 2-4 other end, the second tension spring pin 2-9 is fixed on the side of center gear circular groove 2-21, the end of extension spring 2-7 is enclosed within on the described first tension spring pin 2-8, and the other end of extension spring 2-7 is enclosed within on the described second tension spring pin 2-9.According to required speed limit friction moment, also three or more speed limit piece and the extension spring that matches can be set in velocity limiter.
In carrier gear case 3, the end of tween drive shaft 1-3 is sleeved on the output shaft 1-2 of HM Hydraulic Motor 1, captives joint with the output shaft 1-2 of HM Hydraulic Motor 1 by flat key; The middle part of tween drive shaft 1-3 is bearing on the extended flange circle 3-1 of carrier gear case 3 by bearing, this extended flange circle 3-1 is captiveed joint by fastener with the tank wall of retarder 4, and the termination of the other end of tween drive shaft 1-3 passes extended flange circle 3-1 and captives joint with the input end of retarder 4; The first carrier gear 3-2 is sleeved on the outer peripheral face of tween drive shaft 1-3 one end, the first carrier gear 3-2 and second carrier gear 3-3 engagement.
When the present invention is used as landing life boat, raft, rotation " lifting/lifesaving " change-over swith is due to " lifesaving " position, under life boat, raft and occupant's action of gravity, main drum 5 clickwises, this moment is because the external tooth 7-23 of the end face of the hollow slide shaft 7-2 of rouleau tube power-transfer clutch 7 and the external tooth 7-23 of little rotating shaft 7-3 end face are in bonding state, the main drum 5 and the rouleau tube 6 that are bearing in same axis rotate synchronously, steel rope on the main drum 5 discharges, and the release hook by the steel rope termination drives life boat, raft falls and puts.Main drum 5 drives HM Hydraulic Motor 1 clickwise by tween drive shaft 1-3, this moment, HM Hydraulic Motor 1 became Hydraulic Pump, to hydraulic efficiency pressure system input pressure oil, to the clickwise generation shock damping action of main drum 5, slow down the descending speed of life boat, raft, guaranteed life boat, raft occupant's safety.
In the decline process of life boat, raft, tween drive shaft 1-3 in the carrier gear case 3 drives the first carrier gear 3-2 clickwise, the first carrier gear 3-2 drives and is engaged with the second carrier gear 3-3 left-hand revolution, and the second carrier gear 3-3 drives center gear 2-2 left-hand revolution by velocity limiter axle 2-3.When the rotating speed that makes main drum 5 under life boat, raft and occupant's the effect at its acceleration due to gravity will surpass safe speed of rotation, under the centrifugal action of center gear 2-2 left-hand revolution, speed limit piece 2-4 overcomes the pulling force of extension spring 2-7,2-6 rotates counterclockwise around speed limit piece pin, friction lining 2-5 of captiveing joint with speed limit piece 2-4 and the inwall of velocity limiter housing 2-1 produce friction, under the effect of friction resistance moment, the descending speed of life boat, raft is limited in the scope of safe descending speed, guarantees life boat, raft occupant's safety.2 of velocity limiters produce the speed limit effect to left-hand revolution, and when main drum 5 rotates counterclockwise when promoting life boat, raft, velocity limiter 2 is inoperative.
When the present invention is used for lifting cargo, rotation " lifting/lifesaving " change-over swith is due to " lifting " position, the ante-chamber of oil cylinder 7-1 advances pressure oil, piston rod 7-12 retreats, drive hollow slide shaft 7-2 by bearing 7-4 and retreat, the external tooth 7-23 of hollow slide shaft 7-2 end face and the external tooth 7-31 of little rotating shaft 7-3 end face are thrown off.When the output shaft 1-2 of HM Hydraulic Motor 1 forward or reverse, drive retarder 4 forward or reverse by tween drive shaft 1-3, radial flange circle 4-1's by the retarder shell and main drum tube cone spacer 5-1's captives joint again, drive main drum 5 forward or reverse lifting cargos, rouleau tube 6 remains static at this moment.Thereby avoided the steel rope of rouleau tube 6 to move up and down with the weight that lifts by crane.
Retarder 4 mainly is made up of normally closed multi-disc drg and epicyclic gear box, and when brake-pressure was higher than a certain setting pressure, the moving plate of multi-disc drg separated with still, and main drum 5 stops operating immediately, guarantees the safety of lifting by crane.
In addition to the implementation, the present invention can also have other embodiments, and as the installation site change of retarder 4, velocity limiter 2 etc., all employings are equal to replaces or technical scheme that equivalent transformation forms, all drops on the protection domain of requirement of the present invention.