CN112125186A

CN112125186A - Hydraulic winch for underwater lifting of ship crane

Info

Publication number: CN112125186A
Application number: CN202011144097.5A
Authority: CN
Inventors: 李云娜
Original assignee: Guangzhou Lianyou Technology Co ltd
Current assignee: Guangzhou Lianyou Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2020-12-25

Abstract

The invention relates to the technical field of hydraulic winches and discloses a hydraulic winch for underwater lifting of a ship crane, which comprises a base, wherein the left side of the top of the base is fixedly connected with the bottom of a bidirectional hydraulic cylinder, the left output end of the bidirectional hydraulic cylinder is fixedly connected with the right end of a push rod, the left end of the push rod is fixedly connected with the middle part of a piston plate, and the outer side wall of the piston plate is in sliding connection with the inner wall of an oil cylinder. This hydraulic winch for ship crane promotes under water, the output through hydraulic motor drives pivot and winding shaft pivoted in-process and drives the driving gear simultaneously and rotates, and driving gear and two sets of driven gear's cooperation, make the carousel drive the driving lever at the pivoted in-process and stir the ninety degrees of step-by-step seat rotation, again through the guide effect of slide bar to the spout, and the screw-thread fit of lead screw and screw seat, and then make the screw seat remove the quarter of equal displacement pitch length at every turn, the direction of arranging of convenient control steel wire, produce stagger fold and separation joint when avoiding the steel wire to twine on the winding shaft.

Description

Hydraulic winch for underwater lifting of ship crane

Technical Field

The invention relates to the technical field of hydraulic winches, in particular to a hydraulic winch for underwater lifting of a ship crane.

Background

The winch can be divided into the following parts according to different using methods: the winch comprises four types of manual winches, electric winches, pneumatic winches and hydraulic winches. At present, the domestic marine hydraulic winch is 350T at the maximum, the self weight of equipment reaches 150T, and the hydraulic winch is used as light and small hoisting equipment for hoisting heavy objects by winding a steel wire rope by using a roller, and is very widely applied in the process of ship hoisting. The working principle of the hydraulic winch is that oil is used as a working medium, motion is transmitted through the change of a sealed volume, and power is transmitted through the pressure inside the oil, most of the hydraulic winches commonly used in China are JKY type hydraulic winches developed in the last 80 th century or winches improved on the basis of the hydraulic winches, and in the long-term production practice process, some problems are found to exist: the rope arranging device serving as an important component of the winch is unreasonable in structural design, and the speed ratio of the roller and the rope arranging device is not coordinated, so that the steel wire rope is difficult to orderly wind on the roller, the steel wire rope is staggered and separated from the seam, the rope breakage accident rate of the steel wire rope is increased, the ship crane is adversely affected, and even personal casualty accidents are caused. Therefore, in order to improve the working performance of the hydraulic winch in the ship crane, it is necessary to design a hydraulic winch with good rope discharging effect.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the hydraulic winch for the underwater lifting of the ship crane, which has the advantages of good wire arrangement effect, avoidance of the phenomena of staggering and gap separation of the steel wire rope on the roller and the like, and solves the problems that the steel wire rope is difficult to orderly wind on the roller due to the inconsistent speed ratio matching of the roller and the wire arrangement device, the steel wire rope is staggered and separated, the accident rate of the broken steel wire rope is increased, and the ship crane is adversely affected.

(II) technical scheme

In order to achieve the purposes of good wire arranging effect and avoiding the phenomena of staggering and seam separation of the steel wire rope on the roller, the invention provides the following technical scheme: a hydraulic winch for underwater hoisting of a ship crane comprises a base, wherein the left side of the top of the base is fixedly connected with the bottom of a bidirectional hydraulic cylinder, the left output end of the bidirectional hydraulic cylinder is fixedly connected with the right end of a push rod, the left end of the push rod is fixedly connected with the middle part of a piston plate, the outer side wall of the piston plate is slidably connected with the inner wall of a cylinder, hydraulic oil is arranged in the cylinder and is positioned on the left side of the piston plate, the bottom of the cylinder is fixedly connected with the top of the base, the left side of the cylinder is communicated with the right end of a connecting pipe, the middle part of the connecting pipe is communicated with a flow control valve, the left end of the connecting pipe is communicated with the input end of a hydraulic motor, the left side of the hydraulic motor is fixedly connected with the front end of the right side of a fixed plate, the, the outer surface of pivot has cup jointed the winding axle, the right side of pivot surface is rotated with the top of a set of supporting seat and is connected, and the supporting seat bottom that is connected with the pivot is fixed connection with the right side at base top.

Preferably, a driving gear is arranged between the right side of the hydraulic motor and the left side of the winding shaft, the middle of the driving gear is fixedly connected with the outer surface of the rotating shaft, two groups of driven gears are arranged at the rear side of the driving gear, the two groups of driven gears are mutually meshed, a front driven gear in the two groups of driven gears is mutually meshed with the driving gear, the middle of the two groups of driven gears is respectively fixedly connected with the right sides of the outer surfaces of the two groups of connecting shafts, the left ends of the two groups of connecting shafts are respectively rotatably connected with the rear end of the right side of the fixed plate, the right end of a rear connecting shaft in the two groups of connecting shafts is fixedly connected with the middle of the turntable, the right side of the turntable is respectively fixedly connected with a deflector rod and the left side of a deflector disk, the deflector disk is positioned in the middle of the right side of the turntable, the, the four groups of guide grooves are uniformly arranged on the outer side of the stepping seat, a shifting groove is arranged between every two adjacent groups of guide grooves, the four groups of shifting grooves are arranged on the outer side of the stepping seat, the middle part of the stepping seat is fixedly connected with the left end of a lead screw, the right end of the lead screw is rotatably connected with the top of a group of supporting seats, the bottom of the supporting seat connected with the lead screw is fixedly connected with the right side of the top of a base, the outer surface of the lead screw is in threaded connection with the inner wall of a threaded hole, the threaded hole is arranged in the middle part of the lead seat, the bottom of the lead seat is fixedly connected with the top of a wire guide plate, a wire guide hole transversely penetrating through the wire guide plate is arranged on the rear side of the wire guide hole, the rear side of the lead seat is fixedly connected with the front side of the guide plate, a sliding groove is arranged on the rear side of the guide, the bottom of the supporting seat connected with the sliding rod is fixedly connected with the right side of the top of the base.

Preferably, dial the groove and be the rectangular channel, and dial the opening part in groove and be provided with the horn mouth, dial the diameter looks adaptation of the inboard width in groove and driving lever, and dial the inside wall in groove and the lateral wall of driving lever and all be provided with anti-skidding coating, four groups dial a set of groove opening orientation position in the groove and be located the driving lever and do rotary motion's route, and every two sets of adjacent dial contained angle between the groove and be ninety degrees, the height of driving lever and the height of deflector all with the high looks adaptation of step seat, the deflector is for having jagged circular, and the breach position of deflector towards the driving lever, the lateral wall of deflector is laminated with the inner wall of guide way mutually, and the lateral wall of deflector and the inside wall of guide way are smooth curved surface, and the contained angle between every two sets of adjacent guide ways is ninety degrees.

Preferably, the output on two-way pneumatic cylinder right side and the left end fixed connection who holds the axle tightly, the right-hand member of pivot and the middle part joint of brake disc, the brake disc is located the right side of supporting seat, and the brake disc surface has evenly seted up multiunit braking hole, and the supporting seat bottom that is connected with the pivot is seted up with the groove of dodging that a set of braking hole aligns mutually, and the shape and the size of dodging the groove cooperate with the shape and the size in braking hole respectively, hold the axle and be located the positive left side of dodging the groove tightly, and hold the length of axle tightly and the distance looks adaptation between two-way pneumatic cylinder right side to the supporting seat left side tightly, it is high rigidity metal material to make to hold tightly axle and brake disc, and the surface of holding axle and brake disc all sprays and has anti rust coating, the bottom of.

Preferably, the wire guide hole is penetrated by the steel wire, one end of the steel wire close to the winding shaft is fixedly connected with the left side of the outer surface of the winding shaft, the other end of the steel wire penetrates through the wire guide hole and is fixedly connected with the hook, the internal thread of the threaded hole is matched with the external thread of the lead screw, and the pitch length of the external thread of the lead screw is four times of the diameter of the steel wire.

Preferably, the distance between the top of the bidirectional hydraulic cylinder and the bottom of the outer surface of the winding shaft is three times to five times of the diameter of the steel wire, and a waterproof bag is sleeved outside the bidirectional hydraulic cylinder; the outer surface of the winding shaft is bonded with a layer of non-slip mat, the two ends of the winding shaft are fixedly connected with round baffles, and the diameter of each baffle is larger than the sum of the diameter of the winding shaft and the diameter of the steel wire.

Preferably, the inner wall of the sliding chute and the outer surface of the sliding rod are both smooth curved surfaces, and the inner wall of the sliding chute and the outer surface of the sliding rod are both provided with wear-resistant and rust-resistant coatings.

Preferably, the top of the supporting seat is connected with the rotating shaft and is provided with a bearing seat, and the middle part of the bearing seat is clamped with the outer surface of the rotating shaft.

Preferably, the four corners of the base are all set to be round corners, the periphery of the top of the base is connected with the bottom of the circle of the water absorbing strip in a clamped mode, and the height of the water absorbing strip is five centimeters to ten centimeters.

Preferably, the flow control valve comprises a flow restriction channel, and in use, the cylinder supplies the hydraulic motor through the flow control valve and a connecting pipe, wherein the flow control valve determines the flow rate therethrough according to the following formula:

in the above formula, Q is a flow rate passing through the flow control valve, K is a flow coefficient, S is a flow area of a flow restricting groove in the flow control valve, and P is₁Is the pressure intensity, P, in the hydraulic cylinder of the oil cylinder₂Is the pressure in the hydraulic motor, rho is the density of the flow, r is the radius of the cross section of the flow limiting groove in the flow control valve, l is the length of the flow limiting groove in the flow control valveThe angle α is the cutting angle, here taken to be 30 °.

(III) advantageous effects

Compared with the prior art, the invention provides a hydraulic winch for underwater lifting of a ship crane, which has the following beneficial effects:

1. this hydraulic winch for ship crane promotes under water, the output through hydraulic motor drives pivot and winding shaft pivoted in-process and drives the driving gear simultaneously and rotates, and driving gear and two sets of driven gear's cooperation, make the carousel drive the driving lever at the pivoted in-process and stir the ninety degrees of step-by-step seat rotation, again through the guide effect of slide bar to the spout, and the screw-thread fit of lead screw and screw seat, and then make the screw seat remove the quarter of equal displacement pitch length at every turn, the direction of arranging of convenient control steel wire, produce stagger fold and separation joint when avoiding the steel wire to twine on the winding shaft.

2. This hydraulic winch for ship crane promotes under water can drive through the right side output of two-way pneumatic cylinder and hold the axle and control to and the right-hand member and the brake disc fixed connection of pivot, hold the axle and can pass the brake hole on brake disc surface and then hinder the rotation of brake disc, thereby reach the restriction to the winding axle is rotatory, avoid the unexpected not hard up of steel wire after the completion is to the rolling of steel wire, improved the stability of winding axle locking.

3. This hydraulic winch for ship crane is promoted under water, the distance between the bottom through two-way pneumatic cylinder top and winding axle surface is three to five times of steel wire diameter, avoids making steel wire and two-way pneumatic cylinder produce the friction when twining or releasing the steel wire, and the outside cover through two-way pneumatic cylinder has the waterproof bag, reduces the splash that splashes at ship crane operation in-process and causes the destruction to the use of two-way pneumatic cylinder, has improved the security of equipment use.

4. This hydraulic winch is used in hoist and mount underwater, the surface through the winding axle bonds and has the one deck slipmat, the frictional resistance between winding axle and the steel wire has been increased, the slip of steel wire has been reduced, the equal fixedly connected with circular baffle in both ends through the winding axle, the diameter of baffle is greater than the diameter and the steel wire diameter sum of winding axle, the both ends landing of steel wire from the winding axle has been avoided, the stability of device use has been improved, through the bottom joint of the round strip that absorbs water all around at base top, can absorb the part splash from the surface of water monitoring, the influence to hydro-cylinder and two-way pneumatic cylinder has been reduced.

Drawings

FIG. 1 is a schematic diagram of a front side structure of a hydraulic winch for underwater lifting of a ship crane according to the present invention;

FIG. 2 is a schematic diagram of a left side structure of a hydraulic winch for underwater hoisting of a ship crane according to the present invention;

FIG. 3 is a schematic diagram of a rear side structure of a hydraulic winch for underwater lifting of a ship crane according to the present invention;

fig. 4 is a schematic structural view of a stepping seat of a hydraulic winch for underwater lifting of a ship crane, which is provided by the invention;

FIG. 5 is a schematic structural diagram of a hydraulic winch brake disc for underwater lifting of a ship crane according to the present invention;

fig. 6 is a schematic structural diagram of a wire seat of a hydraulic winch for underwater lifting of a ship crane provided by the invention.

In the figure: 1. a base; 2. a bidirectional hydraulic cylinder; 3. a push rod; 4. an oil cylinder; 5. a connecting pipe; 6. a flow control valve; 7. a hydraulic motor; 8. a fixing plate; 9. a rotating shaft; 10. a driving gear; 11. a winding shaft; 12. a driven gear; 13. a connecting shaft; 14. a turntable; 15. a deflector rod; 16. a guide plate; 17. a stepping seat; 18. a guide groove; 19. a groove is poked; 20. a lead screw; 21. a supporting seat; 22. a screw seat; 23. a threaded hole; 24. a wire guide plate; 25. a wire guide hole; 26. a guide plate; 27. a chute; 28. a slide bar; 29. tightly holding the shaft; 30. a brake disc; 31. and a brake hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a hydraulic winch for underwater lifting of a ship crane comprises a base 1, the left side of the top of the base 1 is fixedly connected with the bottom of a bidirectional hydraulic cylinder 2, the left output end of the bidirectional hydraulic cylinder 2 is fixedly connected with the right end of a push rod 3, the left end of the push rod 3 is fixedly connected with the middle part of a piston plate, the outer side wall of the piston plate is slidably connected with the inner wall of a cylinder 4, hydraulic oil is arranged in the cylinder 4 and is positioned on the left side of the piston plate, the bottom of the cylinder 4 is fixedly connected with the top of the base 1, the left side of the cylinder 4 is communicated with the right end of a connecting pipe 5, the middle part of the connecting pipe 5 is communicated with a flow control valve 6, the left end of the connecting pipe 5 is communicated with the input end of a hydraulic motor 7, the left side of the hydraulic motor 7 is fixedly connected with the front end of the right side of, the surface of pivot 9 has cup jointed winding axle 11, and the right side of pivot 9 surface is rotated with the top of a set of supporting seat 21 and is connected, and the bearing frame is all installed at the top of the supporting seat 21 that is connected with pivot 9, the middle part of bearing frame and the surface joint of pivot 9, the right side fixed connection at supporting seat 21 bottom and base 1 top that is connected with pivot 9.

In the invention, in order to control the winding displacement and avoid the generation of staggered overlapping and gap of the winding displacement, a driving gear 10 is arranged between the right side of a hydraulic motor 7 and the left side of a winding shaft 11, the middle part of the driving gear 10 is fixedly connected with the outer surface of a rotating shaft 9, two groups of driven gears 12 are arranged at the rear side of the driving gear 10, the two groups of driven gears 12 are mutually meshed, a front driven gear 12 in the two groups of driven gears 12 is mutually meshed with the driving gear 10, the middle parts of the two groups of driven gears 12 are respectively and fixedly connected with the right sides of the outer surfaces of two groups of connecting shafts 13, the left ends of the two groups of connecting shafts 13 are both rotatably connected with the rear end at the right side of a fixed plate 8, the right end of a rear connecting shaft 13 in the two groups of connecting shafts 13 is fixedly connected with the middle part of a turntable 14, the right side of the turntable 14 is respectively, the outer side wall of the guide disc 16 is contacted with the inner wall of one group of guide grooves 18 in four groups of guide grooves 18, the four groups of guide grooves 18 are uniformly arranged on the outer side of the stepping seat 17, a shifting groove 19 is arranged between every two adjacent groups of guide grooves 18, the four groups of shifting grooves 19 are arranged on the outer side of the stepping seat 17, the middle part of the stepping seat 17 is fixedly connected with the left end of a lead screw 20, the right end of the lead screw 20 is rotatably connected with the top part of one group of supporting seats 21, the bottom part of the supporting seat 21 connected with the lead screw 20 is fixedly connected with the right side of the top part of the base 1, the outer surface of the lead screw 20 is in threaded connection with the inner wall of a threaded hole 23, the threaded hole 23 is arranged on the middle part of a screw seat 22, the bottom part of the screw seat 22 is fixedly connected with the top part of a guide wire plate 24, a guide wire hole 25 transversely penetrating through the guide, the other end of the steel wire penetrates through the wire guide 25 and then is fixedly connected with the hook, the internal thread of the threaded hole 23 is matched with the external thread of the screw rod 20, the pitch length of the external thread of the screw rod 20 is four times of the diameter of the steel wire, the rear side of the screw seat 22 is fixedly connected with the front side of the guide plate 26, the rear side of the guide plate 26 is provided with a sliding chute 27, the inner wall of the sliding chute 27 is in sliding connection with a sliding rod 28, the right end of the sliding rod 28 is rotatably connected with the top of a group of supporting seats 21, the bottom of the supporting seat 21 connected with the sliding rod 28 is fixedly connected with the right side of the top of the base 1, the output end of the hydraulic motor 7 drives the rotating shaft 9 and the winding shaft 11 to rotate, the driving gear 10 rotates one circle every time when the rotating shaft 9 rotates one circle, and the diameters of the driving gear 10 and the driven gear 12 are equal, so, exerting thrust to step seat 17 when driving lever 15 screws in dials groove 19, and then drive step seat 17 and rotate, driving lever 15 makes step seat 17 rotatory quarter round, and then make lead screw 20 rotatory quarter round, screw-thread fit through lead screw 20 and wire receptacle 22, and slide bar 28 is to the guide effect of deflector plate 26, and then make wire receptacle 22 along the length of lead screw 20 displacement quarter pitch, because the length of quarter pitch equals with the diameter of steel wire again, and then make the steel wire move the distance of its diameter size after winding 11 winding round, thereby make the device can make the winding displacement comparatively neat when rolling the steel wire, avoided producing mistake and gap.

In the invention, in order to facilitate the shifting rod 15 to push the stepping seat 17 to generate intermittent rotation, the shifting groove 19 is a rectangular groove, a bell mouth is arranged at the opening of the shifting groove 19, so that the inlet of the shifting groove 19 is larger, the shifting rod 15 can conveniently enter the shifting groove 19, the width of the inner side of the shifting groove 19 is matched with the diameter of the shifting rod 15, the inner side wall of the shifting groove 19 and the outer side wall of the shifting rod 15 are both provided with anti-slip coatings, the opening facing position of one group of the four groups of the shifting grooves 19 is positioned on the path of the rotary motion of the shifting rod 15, so that the shifting rod 15 can enter the shifting groove 19 to apply thrust to the stepping seat 17 in the rotation process, further the stepping seat 17 is driven to rotate, the included angle between every two adjacent groups of the shifting grooves 19 is ninety degrees, the height of the shifting rod 15 and the height of the guide disc 16 are both matched with the height of the stepping seat 17, the guide disc 16 is circular with a, the lateral wall of guiding disc 16 and the inner wall of guide way 18 are laminated mutually, and the lateral wall of guiding disc 16 and the inside wall of guide way 18 are smooth curved surface, and the contained angle between every two sets of adjacent guide ways 18 is ninety degrees, and then can control the rotation of step-by-step seat and regard as the rotation axis to rotate for the center place horizontal axis who uses itself.

In the invention, in order to improve the stability of storing the steel wire after the wire arrangement of the winding shaft 11 is finished, the output end on the right side of the bidirectional hydraulic cylinder 2 is fixedly connected with the left end of the holding shaft 29, the right end of the rotating shaft 9 is clamped with the middle part of the brake disc 30, the brake disc 30 is positioned on the right side of the supporting seat 21, the surface of the brake disc 30 is uniformly provided with a plurality of groups of brake holes 31, the bottom of the supporting seat 21 connected with the rotating shaft 9 is provided with an avoiding groove aligned with a group of brake holes 31, the shape and the size of the avoiding groove are respectively matched with the shape and the size of the brake holes 31, the holding shaft 29 is positioned on the right left side of the avoiding groove, the length of the holding shaft 29 is matched with the distance from the right side of the bidirectional hydraulic cylinder 2 to the left side of the supporting seat 21, after the wire arrangement on the winding shaft 11 is finished, the output end on the right side of, embrace shaft 29 and restricted the rotation of brake disc 30 and pivot 9 this moment to restricted winding axle 11's rotation, embraced shaft 29 and brake disc 30 and be high rigidity metal material and make, and the surface of embracing shaft 29 and brake disc 30 all sprays and has had anti rust coating, and then the moment of torsion that makes embracing shaft 29 can bear is great, has reduced the torsional damage who embraces shaft 29, and the bottom of brake disc 30 lateral wall does not contact with the top of base 1.

In the invention, in order to improve the use stability of the device, the distance between the top of the bidirectional hydraulic cylinder 2 and the bottom of the outer surface of the winding shaft 11 is three to five times the diameter of the steel wire, so that the steel wire is prevented from rubbing against the bidirectional hydraulic cylinder 2 when the steel wire is wound or released, the use safety of equipment is improved, and the waterproof bag is sleeved on the outer side of the bidirectional hydraulic cylinder 2, so that the damage of splash splashed in the ship hoisting operation process to the use of the bidirectional hydraulic cylinder 2 is reduced.

In the present invention, in order to reduce the influence of the frictional resistance on the movement of the wire seat 22, the inner wall of the sliding groove 27 and the outer surface of the sliding rod 28 are both smooth curved surfaces, and the inner wall of the sliding groove 27 and the outer surface of the sliding rod 28 are both provided with wear-resistant and rust-resistant coatings, so that the frictional resistance between the sliding groove 27 and the sliding rod 28 is small, the resistance on the movement of the wire seat 22 is reduced, and the abrasion between the sliding groove 27 and the sliding rod 28 is reduced.

In the invention, in order to improve the stability of the steel wire placed on the surface of the winding shaft 11, a layer of non-slip mat is bonded on the outer surface of the winding shaft 11, so that the friction resistance between the winding shaft 11 and the steel wire is increased, the sliding of the steel wire is reduced, the two ends of the winding shaft 11 are fixedly connected with the circular baffle plates, the diameter of each baffle plate is larger than the sum of the diameter of the winding shaft 11 and the diameter of the steel wire, and the steel wire is prevented from sliding off from the two ends of the winding shaft 11.

In the invention, in order to improve the use safety of the device, four corners of the base 1 are all set to be round corners, so that the scratch of the base 1 to a user is reduced, the periphery of the top of the base 1 is clamped with the bottom of a circle of water absorbing strips, the height of each water absorbing strip is five centimeters to ten centimeters, part of water splash monitored from the water surface can be absorbed, and the influence on the oil cylinder 4 and the bidirectional hydraulic cylinder 2 is reduced.

In the present invention, the flow control valve 6 comprises a flow restriction channel, and during use, the oil cylinder 4 supplies the hydraulic motor 7 through the flow control valve 6 and the connecting pipe 5, wherein the flow control valve determines the flow rate passing through according to the following formula:

in the above formula, Q is a flow rate passing through the flow control valve, K is a flow coefficient, S is a flow area of a flow restricting groove in the flow control valve, and P is₁Is the pressure intensity, P, in the hydraulic cylinder of the oil cylinder₂The pressure in the hydraulic motor is taken as rho, the density of the flow is taken as the density of the flow, r is the radius of the cross section of the flow limiting groove in the flow control valve, l is the length of the flow limiting groove in the flow control valve, and alpha is a cutting angle which is taken as 30 degrees;

the flow rate of the hydraulic cylinder in the oil cylinder for supplying the hydraulic motor is determined through the flow control valve, so that the hydraulic motor can be normally used, the rotating shaft and the winding shaft are better driven to rotate, the flow rate of the flow control valve is finally determined according to the oil cylinders at the two ends of the flow control valve, the pressure intensity in the hydraulic motor and the flow limiting groove, and the cutting angle is also considered, so that the hydraulic motor can be fully operated according to the flow rate of the determined flow rate.

When the bidirectional hydraulic cylinder is used, the bidirectional hydraulic cylinder 2 is started, the left output end of the bidirectional hydraulic cylinder 2 pushes the piston plate to move leftwards, so that the hydraulic cylinder in the oil cylinder 4 is supplied to the hydraulic motor 7 through the flow control valve 6 and the connecting pipe 5, so that the output end of the hydraulic motor 7 drives the rotating shaft 9 and the winding shaft 11 to rotate, each rotation of the rotating shaft 9 causes the driving gear 10 to rotate for one circle, and because the reference circle diameters of the driving gear 10 and the driven gear 12 are equal, the driven gear 12 also correspondingly rotates for one circle, so as to drive the turntable 14 to rotate for one circle, the driving lever 15 is driven to rotate in the rotating process of the turntable 14, when the driving lever 15 is screwed into the shifting groove 19, thrust is applied to the stepping seat 17, so as to drive the stepping seat 17 to rotate, the driving lever 15 rotates for one circle, so that the stepping seat 17 rotates for one quarter of one, and the slide bar 28 acts as a guide for the guide plate 26, so that the screw seat 22 is displaced by a length of one-quarter pitch along the lead screw 20, and because the length of one-quarter pitch is equal to the diameter of the steel wire, the steel wire is further moved to the right by a distance of one diameter after being wound on the winding shaft 11 for one circle, so that the winding displacement can be tidy when the steel wire is wound, the occurrence of overlapping and gap separation is avoided, after the steel wire is wound on the winding shaft 11, the right output end of the bidirectional hydraulic cylinder 2 drives the holding shaft 29 to be pushed to the right, the holding shaft 29 penetrates through the avoiding groove and extends into a group of braking holes 31, at the moment, the holding shaft 29 limits the rotation of the braking disc 30 and the rotating shaft 9, and the rotation of the winding shaft 11 is limited.

In conclusion, the hydraulic winch for underwater lifting of the ship crane drives the rotating shaft 9 and the winding shaft 11 to rotate through the output end of the hydraulic motor 7, and simultaneously drives the driving gear 10 to rotate and the driving gear 10 and the two sets of driven gears 12 to be matched, so that the turntable 14 drives the shifting rod 15 to shift the stepping seat 17 to rotate for ninety degrees in the rotating process, and the sliding rod 28 has the guiding effect on the sliding groove 27 and the screw thread matching of the screw rod 20 and the screw seat 22, so that the screw seat 22 moves for one fourth of the equal displacement pitch length every time, the arrangement direction of steel wires is conveniently controlled, and the steel wires are prevented from being staggered and separated from the seams when being wound on the winding shaft 11.

This hydraulic winch for ship crane underwater lifting, right side output through two-way pneumatic cylinder 2 can drive and embrace axle 29 and control to and the right-hand member and the brake disc 30 fixed connection of pivot 9, embrace axle 29 and can pass brake disc 30 surperficial braking hole 31 and then obstruct the rotation of brake disc 30, thereby reach the restriction to winding shaft 11 is rotatory, avoid the unexpected not hard up of steel wire after the completion is to the rolling of steel wire, improved the stability of winding shaft 11 locking.

This hydraulic winch for ship crane underwater lifting, distance between 2 tops of two-way pneumatic cylinder and the bottom of 11 surface of winding axle is three to five times of steel wire diameter, avoids making steel wire and two-way pneumatic cylinder 2 produce the friction when twining or releasing the steel wire, and the outside cover through two-way pneumatic cylinder 2 has the waterproof bag, reduces the splash that splashes at ship crane operation in-process and causes the destruction to two-way pneumatic cylinder 2's use, has improved the security of equipment use.

This hydraulic winch is used in hoist and mount underwater promotion, the surface through winding axle 11 bonds there is the one deck slipmat, the frictional resistance between winding axle 11 and the steel wire has been increased, the slip of steel wire has been reduced, the equal fixedly connected with circular baffle in both ends through winding axle 11, the diameter of baffle is greater than the diameter and the steel wire diameter sum of winding axle 11, the both ends landing of steel wire from winding axle 11 has been avoided, the stability of device use has been improved, through the bottom joint of the round strip that absorbs water all around at base 1 top, can absorb the part splash from the surface of water monitoring, the influence to hydro-cylinder 4 and two-way pneumatic cylinder 2 has been reduced.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. In the drawings of the present invention, the filling pattern is only for distinguishing the layers, and is not limited to any other way.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic winch for ship crane underwater lifting, includes base (1), its characterized in that: the left side of base (1) top and the bottom fixed connection of two-way pneumatic cylinder (2), the left side output of two-way pneumatic cylinder (2) and the right-hand member fixed connection of push rod (3), the left end of push rod (3) and the middle part fixed connection of piston board, the lateral wall of piston board and the inner wall sliding connection of hydro-cylinder (4), be provided with hydraulic oil in hydro-cylinder (4), and hydraulic oil is located the piston board left side, the bottom of hydro-cylinder (4) and the top fixed connection of base (1), the left side of hydro-cylinder (4) and the right-hand member of connecting pipe (5) intercommunication, the middle part intercommunication of connecting pipe (5) is provided with flow control valve (6), the left end of connecting pipe (5) and the input intercommunication of hydraulic motor (7), the left side of hydraulic motor (7) and the front end fixed connection on fixed plate (8) right side, the bottom of fixed plate (8) and the top fixed connection of base (1), the output of hydraulic motor (7) and the left end fixed connection of pivot (9), the surface of pivot (9) has cup jointed winding axle (11), the right side of pivot (9) surface is rotated with the top of a set of supporting seat (21) and is connected, supporting seat (21) bottom and the right side fixed connection at base (1) top that are connected with pivot (9).

2. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: a driving gear (10) is arranged between the right side of the hydraulic motor (7) and the left side of the winding shaft (11), the middle of the driving gear (10) is fixedly connected with the outer surface of the rotating shaft (9), two groups of driven gears (12) are arranged at the rear side of the driving gear (10), the two groups of driven gears (12) are meshed with each other, the front driven gear (12) in the two groups of driven gears (12) is meshed with the driving gear (10), the middle of the two groups of driven gears (12) is fixedly connected with the right sides of the outer surfaces of the two groups of connecting shafts (13) respectively, the left ends of the two groups of connecting shafts (13) are rotatably connected with the rear end of the right side of the fixed plate (8), the right ends of the rear connecting shafts (13) in the two groups of connecting shafts (13) are fixedly connected with the middle of the turntable (14), the right side of the turntable (14) is fixedly connected with the, the guide disc (16) is positioned in the middle of the right side of the rotary disc (14), the deflector rod (15) is positioned between the outer edge of the right side of the rotary disc (14) and the outer edge of the guide disc (16), the outer side wall of the guide disc (16) is in contact with the inner wall of one guide groove (18) of the four groups of guide grooves (18), the four groups of guide grooves (18) are uniformly arranged on the outer side of the stepping seat (17), a shifting groove (19) is arranged between every two adjacent groups of guide grooves (18), the four groups of shifting grooves (19) are arranged on the outer side of the stepping seat (17), the middle of the stepping seat (17) is fixedly connected with the left end of the lead screw (20), the right end of the lead screw (20) is rotatably connected with the top of one group of support seats (21), the bottom of the support seats (21) connected with the lead screw (20) is fixedly connected with the right side of the top of the base (1), the outer surface of the, the wire guide structure is characterized in that the threaded hole (23) is formed in the middle of the wire seat (22), the bottom of the wire seat (22) is fixedly connected with the top of the wire guide plate (24), a wire guide hole (25) transversely penetrating through the wire guide plate (24) is formed in the rear side of the wire guide hole (25), the rear side of the wire seat (22) is fixedly connected with the front side of the guide plate (26), a sliding groove (27) is formed in the rear side of the guide plate (26), the inner wall of the sliding groove (27) is slidably connected with the sliding rod (28), the right end of the sliding rod (28) is rotatably connected with the top of a group of supporting seats (21), and the bottom of the supporting seat (21) connected with the sliding rod (28) is fixedly connected with the right side of the top of the base (1.

3. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: the dial groove (19) is a rectangular groove, a horn mouth is arranged at the opening of the dial groove (19), the width of the inner side of the dial groove (19) is matched with the diameter of the dial rod (15), anti-slip coatings are arranged on the inner side wall of the dial groove (19) and the outer side wall of the dial rod (15), one group of dial groove (19) openings in the four groups of dial grooves (19) are located on a path of the dial rod (15) in a rotating motion towards the position, an included angle between every two adjacent groups of dial grooves (19) is ninety degrees, the height of the dial rod (15) and the height of the guide disc (16) are matched with the height of the stepping seat (17), the guide disc (16) is circular with a notch, the notch position of the guide disc (16) faces towards the dial rod (15), the outer side wall of the guide disc (16) is attached to the inner wall of the guide groove (18), and the outer side wall of the guide disc (16) and the inner side wall of the guide groove (18) are smooth curved surfaces, the included angle between every two adjacent groups of guide grooves (18) is ninety degrees.

4. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: the output on two-way pneumatic cylinder (2) right side and the left end fixed connection who embraces axle (29), the right-hand member of pivot (9) and the middle part joint of brake disc (30), brake disc (30) are located the right side of supporting seat (21), and brake disc (30) surface has evenly seted up multiunit braking hole (31), the supporting seat (21) bottom that is connected with pivot (9) is seted up and is dodged the groove with a set of braking hole (31) is aligned, the shape and the size of dodging the groove cooperate with the shape and the size of braking hole (31) respectively, it is located the positive left side of dodging the groove to embrace axle (29), and the length of embracing axle (29) and two-way pneumatic cylinder (2) right side to the distance looks adaptation between supporting seat (21) left side, it is high rigidity metal material to embrace axle (29) and brake disc (30) and makes, and embraces the surface of axle (29) and brake disc (30) and all sprays and have anti rust coating, the bottom of the outer side wall of the brake disc (30) is not in contact with the top of the base (1).

5. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: wire guide (25) are passed by the steel wire, and the one end that the steel wire is close to winding axle (11) and winding axle (11) surface left side fixed connection, and the other end of steel wire passes behind wire guide (25) and couple fixed connection, the internal thread of screw hole (23) cooperatees with the external screw thread of lead screw (20), and the pitch length of the external screw thread of lead screw (20) is four times of steel wire diameter.

6. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: the distance between the top of the bidirectional hydraulic cylinder (2) and the bottom of the outer surface of the winding shaft (11) is three to five times of the diameter of the steel wire, and a waterproof bag is sleeved outside the bidirectional hydraulic cylinder (2); the outer surface of the winding shaft (11) is bonded with a layer of non-slip mat, two ends of the winding shaft (11) are fixedly connected with round baffles, and the diameters of the baffles are larger than the sum of the diameter of the winding shaft (11) and the diameter of the steel wire.

7. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: the inner wall of the sliding groove (27) and the outer surface of the sliding rod (28) are both smooth curved surfaces, and the inner wall of the sliding groove (27) and the outer surface of the sliding rod (28) are both provided with wear-resistant and rust-resistant coatings.

8. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein:

the top of the supporting seat (21) is provided with a bearing seat connected with the rotating shaft (9), and the middle part of the bearing seat is clamped with the outer surface of the rotating shaft (9).

9. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: the four corners of the base (1) are all set to be round corners, the periphery of the top of the base (1) is connected with the bottom of the circle of the water absorbing strip in a clamped mode, and the height of the water absorbing strip is five centimeters to ten centimeters.

10. The hydraulic winch for underwater hoisting of a ship crane according to claim 1, wherein: the flow control valve (6) comprises a flow restriction channel, and during use, the oil cylinder (4) is supplied to the hydraulic motor (7) through the flow control valve (6) and the connecting pipe (5), wherein the flow control valve determines the flow passing through according to the following formula:

in the above formula, Q is a flow rate passing through the flow control valve, K is a flow coefficient, S is a flow area of a flow restricting groove in the flow control valve, and P is₁Is the pressure intensity, P, in the hydraulic cylinder of the oil cylinder₂ρ is the density of the flow, r is the radius of the cross section of the flow restriction channel in the flow control valve, l is the length of the flow restriction channel in the flow control valve, and α is the cutting angle, here taken at 30 °, for the pressure in the hydraulic motor.