CN107458974B - Traversing winch for dredging ship - Google Patents
Traversing winch for dredging ship Download PDFInfo
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- CN107458974B CN107458974B CN201710680347.9A CN201710680347A CN107458974B CN 107458974 B CN107458974 B CN 107458974B CN 201710680347 A CN201710680347 A CN 201710680347A CN 107458974 B CN107458974 B CN 107458974B
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- rope
- winding drum
- steel wire
- pressing block
- wire rope
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- 238000004804 winding Methods 0.000 claims abstract description 44
- 230000009467 reduction Effects 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000009977 dual effect Effects 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 210000000078 claw Anatomy 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 19
- 238000010276 construction Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/32—Detent devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
- B66D2700/0191—Cable guiding during winding or paying out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/07—Brakes with axial thrust for winches, hoists or similar devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jib Cranes (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a transverse winch for a dredging ship, which comprises a frame, a reduction gearbox, a winding drum, a main motor, an auxiliary motor and a dual rope loosening detection device, wherein the reduction gearbox is arranged on the frame, the winding drum is arranged on an output shaft of the reduction gearbox, the other end of the output shaft is connected to the frame through a bearing seat, a steel wire rope is arranged on the winding drum, the main motor is connected with an input shaft of the reduction gearbox through a coupling, the auxiliary motor is connected with an auxiliary motor input shaft of the reduction gearbox, high-speed brakes are arranged on two sides of the reduction gearbox, baffle plates are arranged on end surfaces of two ends of the winding drum, a maintenance braking device and a low-speed brake are arranged between the reduction gearbox and one end of the winding drum, the baffle plate correspondingly facing to one end of the reduction gearbox is a braking disc of the maintenance braking device, a ratchet device is arranged below the other end of the winding drum, the baffle plate on the other end of the winding drum is a tooth plate of the ratchet device, and the dual rope loosening detection device is arranged right below the winding drum. The invention can completely meet the working condition of the bridge frame on the existing dredging ship, and the whole transverse winch is convenient to maintain.
Description
Technical Field
The present invention relates to equipment on a dredging vessel, and more particularly to a traversing winch for a dredging vessel.
Background
The transverse winch is a large key device on a dredging ship, and is used for adjusting the left-right swing amplitude of a bridge on the dredging ship (even if the bridge transversely reciprocates back and forth) to increase the width range of a dredging area, and the dredging ship is mainly applied to various fields such as flood control and rescue, channel repair, farmland water conservancy, harbor construction, submarine geological mining, water area environmental protection, sea defense construction and the like.
Along with the deep construction of the country, the requirements on the dredging ship are higher and higher, and the requirements on the performance and the efficiency of the traversing winch are more and more severe, and the traversing winch is required to continuously and uninterruptedly work for 24 hours, so that the reliability of the traversing winch directly influences the efficiency of the dredging ship construction operation, the operation range of the dredging ship is expanded from inland river channels, coastal harbors to shallow sea and deep sea, but some core equipment on the dredging ship, especially the purchase of the traversing winch, mainly depends on import, thereby not only increasing the management cost, but also causing a certain degree of difficulty for future maintenance and overhaul.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the transverse winch for the dredging ship, which can completely meet the working condition of a bridge frame on the existing dredging ship, and the whole transverse winch is convenient to maintain.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a sideslip winch for dredging ship, which comprises a frame, the reducing gear box, the reel, main motor, auxiliary motor and dual rope-loosening detection device, the reducing gear box is located in the frame, the reel is located on the output shaft of reducing gear box, the other end of output shaft passes through the bearing frame and links to each other in the frame, be equipped with wire rope on the reel, main motor passes through the shaft coupling and links to each other with the input shaft of reducing gear box, auxiliary motor links to each other with the auxiliary motor input shaft of reducing gear box, when main motor breaks down, auxiliary motor enables the reducing gear box to continue to operate, the inside and outside of reducing gear box still is equipped with high-speed brake, all be equipped with the baffle on the both ends terminal surface of reel, be equipped with maintenance arresting gear and low-speed brake between reducing gear box and the reel one end, the baffle of corresponding orientation and reducing gear box one end is maintenance arresting gear, and cooperate with low-speed brake, the below of the reel other end is equipped with ratchet, the baffle on the reel other end is ratchet device's card tooth plate, dual rope-loosening detection device locates under the reel for detecting wire rope winding degree on the reel.
The winding drum is arranged on an output shaft of the reduction gearbox through a spline, and is provided with a baffle plate which divides the winding drum into a rope storage area and a working area.
The V-shaped opening is formed in the partition plate, so that the steel wire rope on the winding drum can be transited from the rope storage area to the working area.
The bearing seat is a tilting bearing seat, and a bearing seat cooling device is further arranged on the tilting bearing seat.
The bearing seat cooling device comprises an annular semicircular groove arranged in the middle of a bearing seat mounting hole, and a water pipeline arranged in the annular semicircular groove, wherein one end of the water pipeline is a water inlet end, the other end of the water pipeline is a water outlet end, and the water inlet end of the water pipeline is connected with a cooling water power motor which is the power of the bearing seat cooling device.
The baffle at the other end of the winding drum is provided with a rope pressing device.
The rope pressing device comprises an upper pressing block and a lower pressing block, wherein the lower pressing block is arranged on a baffle of the winding drum, an empty groove with an inverted buckle is formed in the lower pressing block, a semicircular rope groove is formed in the bottom of the empty groove, bosses are arranged on two sides of the upper pressing block, a semicircular rope groove is also formed in the lower surface of the upper pressing block, and the bosses of the upper pressing block are matched with the inverted buckle of the empty groove of the lower pressing block, so that the semicircular rope grooves on the upper pressing block and the lower pressing block form a circular rope groove for placing a steel wire rope.
The other end of the output shaft of the reduction gearbox is connected with a decoder device and is arranged outside the bearing seat.
The decoder device comprises a connecting shaft, a connecting plate, a decoder body and a housing, wherein one end of the connecting shaft is connected with the end part of the other end of the output shaft, the other end of the connecting shaft penetrates through the bearing seat and then is connected with the decoder body, and the housing is arranged on the decoder body and is fixed on the bearing seat through the connecting plate.
The ratchet device comprises two supports, an oil cylinder and tooth claw, wherein one support is connected with a hexagonal shaft, the tooth claw is sleeved on the hexagonal shaft and moves on the hexagonal shaft, the tooth claw is arranged below the other end of the winding drum, one end of the oil cylinder is arranged on the other support, the other end of the oil cylinder is connected with the tooth claw through an ear plate, and the oil cylinder drives the tooth claw to move on the hexagonal shaft to realize engagement or disengagement between the tooth claw and a baffle at the other end of the winding drum.
The double rope loosening detection device comprises two feeler levers, two arm levers, two counterweights, two force transducers, four brackets and a PLC controller, wherein the two feeler levers are all arranged along the axial direction of the winding drum, and the two ends of the two feeler levers are all connected through the arm levers, so that the two feeler levers and the two arm levers form a rectangular frame, the rectangular frame is supported by the four brackets, one end of the two arm levers is connected with the counterweight, the two force transducers are all arranged on one arm lever, and the two force transducers are all connected with the PLC controller.
The speed reducing box is also provided with a clutch device, a force measuring sensing device and a thin oil lubrication mechanism.
In the technical scheme, the transverse winch for the dredging ship provided by the invention adopts the closed gearbox without an open gear, so that the transverse winch is convenient to maintain integrally, the high-speed brakes arranged on the two sides of the gearbox improve the braking effect, the double rope-loosening detection device can prevent unpredictable loss caused by rope loosening of the steel wire rope, the ratchet device and the overhauling braking device provide safety guarantee for the transverse winch, the auxiliary motor can continuously ensure the operation of the transverse winch when the main motor fails, in addition, the transverse winch also has the characteristics of large bearing load, high impact coefficient, continuous operation and the like, and the whole transverse winch is convenient to maintain, so that the transverse winch completely accords with the working condition of the transverse bridge frame of the existing dredging ship.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the direction a of FIG. 1;
FIG. 4 is a schematic view of the structure of the spool of the present invention;
FIG. 5 is a schematic view of the structure of the reduction gearbox of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a right side view of FIG. 5;
FIG. 8 is a schematic view of the ratchet mechanism of the present invention engaged with a stop plate;
FIG. 9 is a schematic view showing the separation of the ratchet device and the baffle plate according to the present invention
FIG. 10 is a schematic view of the structure of the rope pressing device of the present invention;
FIG. 11 is a schematic structural view of a dual rope payout detecting apparatus according to the present invention;
fig. 12 is a schematic diagram of the structure of the decoder device of the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 12, the traversing winch for dredging vessel provided by the present invention comprises a frame 1, a reduction gearbox 2, a reel 3, a main motor 4, an auxiliary motor 5 and a double rope-loosening detecting device 6, wherein the reduction gearbox 2 is installed at the left side of the frame 1, the reel 3 is installed on an output shaft 201 of the reduction gearbox 2, the other end of the output shaft 201 is connected to the right side of the frame 1 through a bearing seat 7, torque is transmitted to the reel 3 through the output shaft 201, a steel wire rope 8 is wound on the reel 3, the main motor 4 is connected with an input shaft 202 of the reduction gearbox 2 through a coupling 9, the auxiliary motor 4 is connected with an auxiliary motor input shaft 203 on the reduction gearbox 2, when the main motor 4 fails, the reduction gearbox 2 can continue to operate through the auxiliary motor 5, the inner side edge and the outer side edge of the reduction gearbox 2 are also connected with high-speed brakes 10, the two high-speed brakes 10 can brake the transverse winch, baffle plates 11 are arranged on the end faces of the two ends of the winding drum 3, a maintenance braking device 12 and a low-speed brake 13 are arranged between the reduction gearbox 2 and one end of the winding drum 3, the baffle plates 11 on the winding drum 3 on one side of the reduction gearbox 2 correspondingly face to serve as brake discs of the maintenance braking device 12 and are matched with the low-speed brake 13 to be used, a ratchet device 14 is arranged below the other end of the winding drum 3, the baffle plates 11 arranged on the other end of the winding drum 3 serve as tooth plates of the ratchet device 14, and a double rope loosening detection device 6 is arranged right below the winding drum 3 and used for detecting the winding tightness degree of the steel wire rope 8 on the winding drum 3.
Preferably, both ends of the winding drum 3 are respectively provided with a shaft sleeve 304, the shaft sleeves 304 are sleeved on the output shaft 301 and then are connected on the output shaft 201 of the reduction gearbox 2 through internal and external splines, the winding drum 3 is further provided with a partition 301 which divides the winding drum 3 into a rope storage area 302 and a working area 303, the partition 301 is provided with a V-shaped opening, a steel wire rope 8 on the winding drum 3 can be transited from the rope storage area 302 to the working area 303, the rope storage area 302 is a light drum, the working area 303 is a spiral groove, the shaft sleeve 304 with the internal splines is connected with the winding drum 3 through bolts, and shear blocks 305 are arranged on both sides of the shaft sleeve 304 to protect the bolts, so that the bolts only bear axial force and are not stressed radially.
Preferably, the bearing seat 7 is a tilting bearing seat, the bearing seat 7 is divided into an upper bearing seat and a lower bearing seat, and the traditional bearing seats are horizontally arranged because the steel wire rope 8 receives horizontal force, so that the connecting bolts of the upper bearing seat and the lower bearing seat of the bearing seats receive extremely large shearing force, the shearing force of the tilting bearing seat is directly absorbed by the tilting lower bearing seat, the bolts only play a role in connecting the upper bearing seat and the lower bearing seat, the stress condition of the bolts is greatly improved, and the safety of the whole traversing winch is also greatly improved.
Preferably, a bearing seat cooling device is further arranged on the inclined bearing seat, when the winding drum 3 rotates at a high speed, a great amount of heat is generated by the bearing on the bearing seat 7, which is extremely unfavorable for the service life of the bearing seat 7, and sometimes the bearing is burnt out, the heat on the bearing is taken away through the water pipeline 15 in a circulating way through the bearing seat 7, the temperature of the bearing is effectively reduced, and the service life of the bearing seat 7 is prolonged by arranging the water pipeline 15 in the annular semicircular groove, wherein one end of the water pipeline 15 is a water inlet end 1501, the other end is a water outlet end 1502, and the water inlet end 1501 of the water pipeline 15 is connected with the cooling water power motor 16 as the power of the bearing seat cooling device.
Preferably, the baffle 11 at the other end of the reel 3 is provided with a rope pressing device 17, the rope pressing device 17 comprises an upper pressing block 1701 and a lower pressing block 1702, the lower pressing block 1702 is welded on the baffle 11 of the reel 3, the upper part of the lower pressing block 1702 is provided with a hollow groove 1704 with two inverted buckles 1703, the bottom of the hollow groove 1704 is provided with a semicircular rope groove 1705, two sides of the upper pressing block 1701 are provided with bosses 1706, the lower surface of the upper pressing block 1701 is also provided with a semicircular rope groove 1707, the bosses 1706 of the upper pressing block 1701 and the inverted buckles 1703 at the upper part of the hollow groove 1704 of the lower pressing block 1702 have certain gradients, when in use, the steel wire rope 8 is placed into the hollow groove 1705 of the lower pressing block 1702, and the bosses 1706 of the upper pressing block 1701 are attached to the gradient surfaces of the inverted buckles 1703, so that the larger the steel wire rope 8 is stressed in the stress direction, the rope pressing device 17 is pressed tightly, the structure of the rope pressing device 17 is not needed to be pressed, and the rope 8 is easy to be pressed, and the longer and the steel wire 8 is used safely.
Preferably, the other end of the output shaft 201 of the reduction gearbox 2 is connected with a decoder device 18, and passes through the bearing seat 7 and is arranged on the outer side of the bearing seat 7, the decoder device 18 comprises a connecting shaft 1801, a connecting plate 1802, a decoder body 1803 and a housing 1804, one end of the connecting shaft 1801 is connected with the end part of the other end of the output shaft 201 through bolts, the decoder body 1803 is fixed on the connecting plate 1802 through bolts, the connecting plate 1802 is mounted on the end face of the bearing seat 7 through bolts, the shaft on the decoder body 1803 is inserted into a hole on the end face of the other end of the connecting shaft 1801, the decoder body 1803 is connected with the connecting shaft 1801, the housing 1804 is covered on the decoder body 1803 and is fixed on the connecting plate 1802 through bolts, a sealing ring 1805 is mounted on the contact position of the connecting shaft 1801 and the end face of the bearing seat 7, lubricating oil of the bearing seat 7 is prevented from entering the decoder device 18, the housing 1804 can protect the decoder body 1803 from being wetted by rainwater, and the decoder device 18 does not need to be injected with lubricating oil, and the occupied space is small.
Preferably, the ratchet device 14 includes two supports 1401, an oil cylinder 1402 and tooth-shaped claws 1403, two supports 1401 are provided, a hexagonal shaft 1404 is connected to one support 1401, the tooth-shaped claws 1403 are sleeved on the hexagonal shaft 1404, the tooth-shaped claws 1403 can move on the hexagonal shaft 1404, the tooth-shaped claws 1403 are located below the other end of the winding drum 3, one end of the oil cylinder 1402 is connected to the other support 1401, the other end of the oil cylinder 1402 is connected with the tooth-shaped claws 1403 through an ear plate, and the tooth-shaped claws 1403 are driven to move on the hexagonal shaft 1404 through the control of the oil cylinder 1402, so that the engagement or disengagement between the tooth-shaped claws 1403 and the baffle 11 at the other end of the winding drum 3 is realized.
Preferably, the dual rope-loosening detecting device 6 includes two feeler levers 601, two arm levers 602, two counterweights 603, two force transducers 604, four brackets 605 and a PLC controller 606, the two feeler levers 601 are all arranged along the axial direction of the winding drum 3, and after the two ends of the two feeler levers 601 are all connected through the arm levers 602, the two feeler levers 601 and the two arm levers 602 form a rectangular frame, the rectangular frame is supported by the four brackets 605, one ends of the two arm levers 602 are respectively connected with a counterweight 603, the two force transducers 604 are all arranged on the arm levers 602, the two force transducers 604 are all arranged on the same side, and the two force transducers 604 are all connected with the PLC controller 606, as shown in fig. 8, the counterweight 603 enables the force transducer 604 at b to receive a vertically downward force (as shown by an arrow direction), the counterweight 603 enables the force transducer 604 at c to receive a vertically upward force (as shown by the arrow direction) around the point b, when the wire rope 8 does not touch the two feeler levers 602, the force transducers 604 are basically connected with the PLC controller 606, and the basic program is basically changed when the wire rope 8 touches the force transducers 604, and the PLC controller 606 is started. The dual rope-loosening detection device 6 is sensitive in reaction, the stress directions of the two force transducers 604 at different positions are opposite, as long as the steel wire rope 8 touches any feeler lever 601, the measured value of the force transducer 604 starts to change, the tightness state of the steel wire rope 8 can be rapidly and accurately tested, in addition, the arrangement of the two feeler levers 601 and the two force transducers 604 greatly improves the safety of a traversing winch, even if one of the two feeler levers fails, the dual rope-loosening detection device 6 can work normally, and is a very effective device for preventing equipment loss and safety accidents caused by rope loosening of the steel wire rope 8.
Preferably, the reduction gearbox 2 is further provided with a clutch device 204, a force measuring sensor device 205 and a thin oil lubrication mechanism 206, the clutch device 204 is arranged between the input shaft 203 of the auxiliary motor and a final gear 207 transmitted to the shaft, the final gear 207 is connected with the shaft through a bearing, a small external gear is arranged on the gear to serve as a half clutch 208, the other half clutch with internal teeth is arranged on the shaft through a spline, the half clutch can move on the shaft along the axial direction, the shifting fork device can shift the half clutch to be engaged with or disengaged from the half clutch on the gear, when the main motor 4 works normally, the clutch device 204 is separated, the auxiliary motor 5 does not work, when the main motor 4 fails, the clutch device 204 is engaged, the auxiliary motor 5 starts to work, and the traversing winch continues to operate. The force measuring sensor 205 is arranged on the outer ring of the bearing of the intermediate gear shaft of the reduction gearbox 2, and can be a stress ring, and the radial force of the shaft can be measured according to the deformation of a certain fixed point of the stress ring, so that the tension of the steel wire rope 8 can be indirectly and accurately measured. The thin oil lubrication mechanism 206 sucks the high-temperature lubrication thin oil at the high-speed end of the reduction gearbox 2 out of the oil outlet at the high-speed end (the high-speed end is respectively provided with an oil inlet and an oil outlet), after the thin oil passes through the bearing seat cooling device, the temperature of the thin oil is reduced, and the lubrication thin oil is sent back to the high-speed end of the reduction gearbox 2 through the oil inlet by the lubrication circulation pipeline, so that the bearing is protected.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (3)
1. The transverse winch for dredging ship features that the transverse winch includes frame, speed reducing box, reel, main motor, auxiliary motor and double rope loosening detector, the speed reducing box is set on the frame, the reel is set on the output shaft of the speed reducing box, the other end of the output shaft is connected to the frame via bearing seat, the reel is provided with steel wire rope, the main motor is connected via shaft coupling to the input shaft of the speed reducing box, the auxiliary motor is connected to the auxiliary motor input shaft of the speed reducing box, when the main motor fails, the auxiliary motor makes the speed reducing box continue to operate, the speed reducing box has high speed brake inside and outside, the reel has two end surfaces with baffle plates, the speed reducing box has one end with maintenance brake and one end with low speed brake, the baffle plate facing the end of the speed reducing box is the brake disc of the maintenance brake and is matched with the low speed brake, the baffle plate of the ratchet device is set below the other end of the reel, the double rope loosening detector is set below the reel to detect the winding tightness of the steel wire rope,
the baffle at the other end of the winding drum is provided with a rope pressing device, the rope pressing device comprises an upper pressing block and a lower pressing block, the lower pressing block is arranged on the baffle of the winding drum, the lower pressing block is provided with a hollow groove with an inverted buckle, the bottom of the hollow groove is provided with a semicircular rope groove, two sides of the upper pressing block are provided with bosses, the lower surface of the upper pressing block is also provided with a semicircular rope groove, the bosses of the upper pressing block are matched with the inverted buckle of the hollow groove of the lower pressing block, the semicircular rope grooves on the upper pressing block and the lower pressing block form a circular rope groove for placing a steel wire rope,
the boss of the upper pressing block and the inverted buckle at the upper part of the empty slot of the lower pressing block have certain gradients, when in use, the steel wire rope is placed in the rope slot of the lower pressing block, the boss of the upper pressing block is placed in the empty slot of the lower pressing block, so that the boss is attached to the gradient surface of the inverted buckle, the higher the force applied to the steel wire rope is in the stress direction of the steel wire rope, the tighter the rope pressing device is, the structure of the rope pressing device does not need bolt pressing, the use is simple and easy to operate, the longer the service time is, the tighter and safer the steel wire rope is pressed,
the ratchet device comprises two supports, an oil cylinder and tooth claw, wherein one support is connected with a hexagonal shaft, the tooth claw is sleeved on the hexagonal shaft and moves on the hexagonal shaft, the tooth claw is arranged below the other end of the winding drum, one end of the oil cylinder is arranged on the other support, the other end of the oil cylinder is connected with the tooth claw through an ear plate, the tooth claw is driven to move on the hexagonal shaft through the oil cylinder, the engagement or disengagement between the tooth claw and a baffle at the other end of the winding drum is realized,
the double rope loosening detection device comprises two feelers, two arm levers, two counterweights, two force transducers, four brackets and a PLC controller, wherein the two feelers are arranged along the axial direction of a winding drum, the two ends of the two feelers are connected through the arm levers, so that the two feelers and the two arm levers form a rectangular frame, the rectangular frame is supported by the four brackets, one end of the two arm levers is connected with the counterweights, the two force transducers are arranged on one arm lever, the two force transducers are connected with the PLC controller, when the steel wire rope does not touch the two feelers, the force measured by the force transducers is a basic value, the basic value of the force transducer changes as long as the steel wire rope touches the feelers, a signal is transmitted to the PLC controller, and the PLC controller starts a program to start protection equipment; the dual rope-loosening detection device has sensitive response and opposite stress directions, the measured value of the two force-measuring sensors starts to change as long as the steel wire rope touches any feeler lever, the tightness state of the steel wire rope can be rapidly and accurately tested, and the arrangement of the two feeler levers and the two force-measuring sensors greatly improves the safety of the traversing winch, even if one of the two force-measuring sensors fails, the dual rope-loosening detection device can work normally, is a very effective device for preventing equipment loss and safety accidents caused by rope loosening of the steel wire rope,
the winding drum is arranged on an output shaft of the reduction gearbox through a spline, a baffle plate is arranged on the winding drum to divide the winding drum into a rope storage area and a working area, a V-shaped opening is arranged on the baffle plate to enable a steel wire rope on the winding drum to be transited from the rope storage area to the working area,
the other end of the output shaft of the reduction gearbox is connected with a decoder device which is arranged outside the bearing seat, the decoder device comprises a connecting shaft, a connecting plate, a decoder body and a housing, one end of the connecting shaft is connected with the end part of the other end of the output shaft, the other end of the connecting shaft penetrates through the bearing seat and then is connected with the decoder body, the housing is arranged on the decoder body and is fixed on the bearing seat through the connecting plate,
the clutch device, the force measuring sensor device and the thin oil lubrication mechanism are further arranged on the reduction gearbox, the force measuring sensor device is arranged on the outer ring of the bearing of the intermediate gear shaft of the reduction gearbox, a stress ring is selected, and the radial force of the shaft is measured according to the deformation of a certain fixed point of the stress ring, so that the tension of the steel wire rope is indirectly and accurately measured; the thin oil lubrication mechanism sucks out high-temperature lubrication thin oil at the high-speed end of the reduction gearbox from an oil outlet at the high-speed end.
2. Traversing winch for a dredging vessel according to claim 1, wherein the bearing block is a tilting bearing block, which is further provided with a bearing block cooling device.
3. The transverse winch for a dredging vessel according to claim 2, wherein the bearing seat cooling device comprises an annular semicircular groove arranged in the middle of the bearing seat mounting hole, a water pipeline arranged in the annular semicircular groove, one end of the water pipeline is a water inlet end, the other end of the water pipeline is a water outlet end, the water inlet end of the water pipeline is connected with a cooling water power motor, and the cooling water power motor is power of the bearing seat cooling device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710680347.9A CN107458974B (en) | 2017-08-10 | 2017-08-10 | Traversing winch for dredging ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710680347.9A CN107458974B (en) | 2017-08-10 | 2017-08-10 | Traversing winch for dredging ship |
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| CN107458974A CN107458974A (en) | 2017-12-12 |
| CN107458974B true CN107458974B (en) | 2023-11-21 |
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| CN109879193A (en) * | 2019-04-01 | 2019-06-14 | 上海振华重工(集团)股份有限公司 | A kind of Multifunctional winch |
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| DE8320578U1 (en) * | 1983-07-16 | 1984-01-05 | GfA - Antriebstechnik GmbH, 4000 Düsseldorf | SAFETY DEVICE FOR LIFTING AND LOWERING LOADS |
| CN2626968Y (en) * | 2003-04-08 | 2004-07-21 | 上海三高石油设备有限公司 | Composite driving winch |
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| CN201647907U (en) * | 2009-09-25 | 2010-11-24 | 徐州重型机械有限公司 | Ratchet mechanism, hoist system and crane |
| CN102616689A (en) * | 2012-03-30 | 2012-08-01 | 中华人民共和国天津海事局青岛航标处 | Horizontal automatic-chain-arrangement hydraulic drum winch |
| CN103434960A (en) * | 2013-07-26 | 2013-12-11 | 江阴市北海救生设备有限公司 | A-shaped lifting hydraulic winch |
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- 2017-08-10 CN CN201710680347.9A patent/CN107458974B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8320578U1 (en) * | 1983-07-16 | 1984-01-05 | GfA - Antriebstechnik GmbH, 4000 Düsseldorf | SAFETY DEVICE FOR LIFTING AND LOWERING LOADS |
| CN2626968Y (en) * | 2003-04-08 | 2004-07-21 | 上海三高石油设备有限公司 | Composite driving winch |
| CN2659862Y (en) * | 2003-12-06 | 2004-12-01 | 吴申良 | Steel rope reel of accumulating crane |
| CN201647907U (en) * | 2009-09-25 | 2010-11-24 | 徐州重型机械有限公司 | Ratchet mechanism, hoist system and crane |
| CN102616689A (en) * | 2012-03-30 | 2012-08-01 | 中华人民共和国天津海事局青岛航标处 | Horizontal automatic-chain-arrangement hydraulic drum winch |
| CN103434960A (en) * | 2013-07-26 | 2013-12-11 | 江阴市北海救生设备有限公司 | A-shaped lifting hydraulic winch |
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