CN117799789A - Rescue tug traction device with protective structure - Google Patents
Rescue tug traction device with protective structure Download PDFInfo
- Publication number
- CN117799789A CN117799789A CN202410007122.7A CN202410007122A CN117799789A CN 117799789 A CN117799789 A CN 117799789A CN 202410007122 A CN202410007122 A CN 202410007122A CN 117799789 A CN117799789 A CN 117799789A
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- wire rope
- steel wire
- locking
- seat
- traction
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- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 94
- 239000010959 steel Substances 0.000 claims abstract description 94
- 239000000872 buffer Substances 0.000 claims abstract description 62
- 230000004224 protection Effects 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims 4
- 238000000429 assembly Methods 0.000 claims 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 208000010392 Bone Fractures Diseases 0.000 description 5
- 206010017076 Fracture Diseases 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/66—Tugs
- B63B35/68—Tugs for towing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/16—Tying-up; Shifting, towing, or pushing equipment; Anchoring using winches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a rescue tug traction device with a protective structure, and relates to the field of rescue tugs. According to the invention, the steel wire rope is used as the traction rope, so that the strength of the steel wire rope is high, the steel wire rope is not easy to break, the risk of breakage of the traction rope in the traction process can be reduced, meanwhile, the steel wire rope is buffered through the lifting buffer component, the impulse applied to the steel wire rope at the tightening moment is reduced, the tension applied to the steel wire rope at the tightening moment is further reduced, the steel wire rope is prevented from being broken, the service life of the steel wire rope is prolonged, and the safety of the traction device in operation is improved; and because wire rope intensity is high, elasticity coefficient is little, huge pulling force can't make deformation continue down rapidly when pulling to deformation is the biggest in both sides, and then makes wire rope if take place to fracture, generally the biggest both ends fracture of deformation, and through setting up the kidnapping and locking protective structure at wire rope's both ends, make wire rope even both ends fracture also can not be by the flight, further improved the safety when draw gear uses.
Description
Technical Field
The invention belongs to the field of rescue tugs, and particularly relates to a rescue tug traction device with a protection structure.
Background
The tugboat is also called a tugboat, and is used for towing a ship without self-propulsion capability, a wood raft or a ship for assisting a large ship to enter and leave a port or for assisting a ship in distress in the sea, and when the tugboat is towed, a traction device is required to be used for operation.
As disclosed in chinese patent CN219487691U, a rescue tug traction device comprises a traction plate; a supporting plate is fixed at the center of one side of the top of the traction plate, a rolling structure is assembled in the middle of one side of the traction plate, a lifting structure is assembled in the middle of the supporting plate, a first wire hole is formed in the supporting plate, a fixing plate is fixed on the top side of the supporting plate, and a second wire hole is formed in the fixing plate; the lifting structure comprises a movable rod, the movable rod penetrates through the rod hole along the vertical direction, a limiting cap is fixed at the bottom end of the movable rod, a spring is fixedly connected between the limiting cap and the supporting plate, the spring is sleeved on the outer surface of the movable rod, a limiting frame is fixed at the top end of the movable rod, and two limiting rollers are installed in the limiting frame through roller shaft matching rotation.
When the rescue tug pulls a ship or the like through the traction rope on the traction device, the required traction force is larger due to the larger size and the larger weight of the ship, so that the traction rope is in a risk of being stretched, the traction rope is influenced by impulse particularly in the moment of being stretched, the received tension force is increased, the risk of fracture is increased simultaneously, if the traction rope is broken, and the internal energy is released, the traction rope can collapse and fly towards the direction of the stress, and nearby workers or the ship is damaged easily, so that the rescue tug has serious potential safety hazards.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a rescue tug traction device with a protective structure, which aims to solve the technical problems that when a rescue tug pulls a ship or the like through a traction rope on the traction device in the prior art, the required traction force is larger due to the larger volume and the larger weight of the ship, and the traction rope is further in a risk of being stretched.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a rescue tug traction device with a protective structure, which comprises a traction mechanism and a buffer protective mechanism, wherein the traction mechanism comprises a traction seat fixedly arranged on a rescue tug wheel, and a steel wire rope is fixedly connected to the traction seat;
the buffering protection mechanism comprises a top plate, a lifting buffering assembly, two limiting guide wheels and a binding protection assembly, wherein the top plate is fixedly installed at the upper end of the traction seat, the two limiting guide wheels are installed above the top plate in an up-down distribution mode through the lifting buffering assembly, centrifugal locking wheels are installed between the end parts of the two limiting guide wheels and the lifting buffering assembly in a connecting mode, the outer side end of the steel wire rope extends to the top surface of the top plate and penetrates through the space between the two limiting guide wheels, and the outer side end of the steel wire rope is fixedly connected with the binding protection assembly.
Further, the lower extreme fixed mounting of traction seat has the support, rotate on the support and install the rolling dish, the one end fixed mounting of support has the motor that is connected with the rolling dish transmission, wire rope winds on the rolling dish, friction brake is installed to the tip of rolling dish.
Further, the lifting buffer component comprises a buffer seat, a lifting slide rod and a buffer spring, the lifting slide rod is inserted on the top plate in a sliding manner, the buffer seat is fixedly arranged at the top end of the lifting slide rod, the two limiting guide wheels are rotatably arranged at the inner ring of the buffer seat, the buffer spring is movably sleeved on the surface of the lifting slide rod, and two ends of the buffer spring are respectively abutted to the bottom surface of the buffer seat and the top surface of the top plate.
Further, the centrifugal locking wheel comprises an outer locking wheel and an inner locking wheel which are coaxially arranged inside and outside, the outer locking wheel is fixedly arranged on the inner wall of the buffer seat, and the inner ring of the outer locking wheel is fixedly provided with fixed locking blocks which are distributed at equal intervals in circumference;
the inner locking wheel is fixedly arranged at the end part of the limiting guide wheel, a plurality of centrifugal slide bars which are distributed at equal intervals are slidably arranged on the circumferential surface of the inner locking wheel, a centrifugal locking block which extends to one side of the fixed locking block is fixedly arranged at the outer side end of the centrifugal slide bar, an end plate is fixedly arranged at the inner side end of the centrifugal slide bar, and a reset spring which is abutted between the end plate and the inner wall of the inner locking wheel is fixedly arranged on the centrifugal slide bar.
Further, the binding protection assembly comprises a wiring sleeve and a protection connection rope, the wiring sleeve is fixedly arranged at the outer side end of the steel wire rope, one side of the wiring sleeve is fixedly connected with the protection connection rope, and the length of the protection connection rope is larger than the distance between the wiring sleeve and the outer side end head of the steel wire rope.
Further, auxiliary positioning frames are fixedly arranged on two sides of the buffer seat, and the lower ends of the auxiliary positioning frames are connected to the top plate in a sliding manner;
the front limiting seat and the rear limiting seat are respectively installed at the front end and the rear end of the buffer seat, a limiting guide hole for a steel wire rope to pass through is formed in the front limiting seat, and a guide wheel is rotatably installed at the top end of the rear limiting seat.
Further, the two ends of the winding disc are also provided with rotary disc locking mechanisms, each rotary disc locking mechanism comprises a clamping locking assembly and a transmission assembly, and each clamping locking assembly is arranged on the corresponding support and is in transmission connection with the corresponding auxiliary positioning frame through the corresponding transmission assembly.
Further, the clamping locking assembly comprises a locking plate and an optical axis guide rail, wherein the locking plate is fixedly arranged at the end part of the rolling disc, and a plurality of lock holes are formed in the outer side end of the locking plate;
the optical axis guide rail is fixedly arranged at the upper end of the support, the optical axis guide rail is provided with a guide block in a sliding mode, one side of the guide block is fixedly provided with a movable lock plate positioned on one side of the fixed lock plate, and one side of the movable lock plate is fixedly provided with a plurality of lock rods corresponding to the lock holes one by one.
Further, the transmission assembly comprises a screw rod and a rack, the rack is fixedly arranged at the bottom end of the auxiliary positioning frame, the screw rod is rotatably arranged at the upper end of the support, one end of the screw rod is fixedly provided with a gear which is in meshed transmission connection with the rack, the other end of the screw rod is in threaded transmission connection with a threaded seat, one side of the threaded seat is fixedly provided with a push-pull plate positioned on the outer side face of the movable lock plate, and a push-pull spring is fixedly connected between the push-pull plate and the movable lock plate.
The invention has the following beneficial effects:
1. according to the invention, the steel wire rope is used as the traction rope, the strength of the steel wire rope is high, the steel wire rope is not easy to break, so that the risk of breakage of the traction rope in the traction process can be reduced, meanwhile, the steel wire rope passes through the upper end of the lifting buffer assembly, when the steel wire rope is pulled and tensioned, the steel wire rope downwards presses the lifting buffer assembly, so that the steel wire rope is buffered through the lifting buffer assembly, the impulse of the steel wire rope in the tensioning moment is reduced, the tension of the steel wire rope in the tensioning moment is reduced, the steel wire rope is prevented from being tensioned, and the service life of the steel wire rope and the safety of the traction device in the working process are improved.
2. According to the invention, the steel wire rope with higher strength is used as the traction rope, the steel wire rope is high in strength and small in elastic coefficient, and huge pulling force during traction cannot enable deformation to be continued rapidly, so that deformation is maximum at two sides, and further, if the steel wire rope is broken, two ends which are generally the maximum in deformation are broken (namely the connecting end of the steel wire rope and the traction seat and the connecting end of the steel wire rope and a towed ship) are broken, and the lifting buffer assembly is provided with the two limiting guide wheels and the centrifugal locking wheel; meanwhile, a binding protection assembly is further arranged at the joint of the steel wire rope and the towed ship, the binding protection assembly is bound on the towed ship, and when the binding part of the steel wire rope and the ship breaks, the binding protection assembly can connect the broken steel wire rope with the ship to prevent the broken steel wire rope from flying; through setting up respectively at wire rope's both ends and tying up and locking protective structure for wire rope even both ends fracture also can not be by the collapse and fly, further improved the safety when draw gear uses.
3. According to the invention, when the lifting buffer component descends to buffer the steel wire rope, the lifting buffer component can drive the clamping locking component to clamp and lock the rolling disc, so that the condition that the rolling disc is pulled too much to overcome the friction locking rotation unreeling of the friction brake during traction is prevented, and the normal and stable operation of the traction device is ensured.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that it is also possible for a person skilled in the art to obtain the drawings from these drawings without inventive effort.
FIG. 1 is a schematic perspective view of a rescue tug traction device according to the present invention;
FIG. 2 is a schematic view of the structure of the present invention shown in FIG. 1 at a partially enlarged scale;
FIG. 3 is a schematic view of the structure of the present invention shown in FIG. 1 at B in a partially enlarged manner;
FIG. 4 is a schematic diagram showing a second perspective view of a rescue tug traction device according to the present invention;
FIG. 5 is a schematic view of the structure of the present invention shown in FIG. 4 at C in an enlarged partial view;
FIG. 6 is a schematic view of a partially enlarged structure of the invention at D of FIG. 4;
FIG. 7 is a schematic view of a three-dimensional cutaway of the rescue tug traction device of the present invention;
FIG. 8 is a schematic view of a partially enlarged structure of FIG. 7E according to the present invention;
FIG. 9 is a schematic perspective view of a reel in the rescue tug traction device of the present invention;
fig. 10 is a schematic view of a partial enlarged structure at F of fig. 9 according to the present invention.
In the figure: 1. a traction mechanism; 11. a traction seat; 12. a motor; 13. a bracket; 14. a reel; 15. a wire rope; 2. a buffer protection mechanism; 21. a top plate; 22. a buffer seat; 23. limiting guide wheels; 24. a centrifugal locking wheel; 25. lifting the slide bar; 26. a buffer spring; 27. an auxiliary positioning frame; 28. a front limit seat; 29. limiting guide holes; 210. a wiring sleeve; 211. a protective connecting rope; 212. a rear limit seat; 213. a guide wheel; 241. an outer locking wheel; 242. fixing the locking block; 243. an inner locking wheel; 244. centrifuging the slide bar; 245. a return spring; 246. an end plate; 247. a centrifugal locking block; 3. a turntable locking mechanism; 31. a locking plate; 32. a lock hole; 33. a movable lock plate; 34. a lock lever; 35. a guide block; 36. an optical axis guide rail; 37. a gear; 38. a screw rod; 39. a rack; 310. a push-pull plate; 311. a push-pull spring; 312. and a screw seat.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, based on the embodiments in the invention, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "top," "middle," "inner," and the like indicate an orientation or positional relationship, merely for convenience of description and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1 and 2, the invention discloses a rescue tug traction device with a protection structure, which comprises a traction mechanism 1 and a buffer protection mechanism 2, wherein the traction mechanism 1 comprises a traction seat 11 fixedly arranged on a rescue tug, and a steel wire rope 15 is fixedly connected on the traction seat 11; the buffering protection mechanism 2 comprises a top plate 21, a lifting buffering assembly, two limiting guide wheels 23 and a binding protection assembly, wherein the top plate 21 is fixedly arranged at the upper end of the traction seat 11, the two limiting guide wheels 23 are arranged above the top plate 21 in an up-down distribution manner through the lifting buffering assembly, centrifugal locking wheels 24 are respectively arranged between the end parts of the two limiting guide wheels 23 and the lifting buffering assembly, the outer side end of the steel wire rope 15 extends to the top surface of the top plate 21 and passes through the space between the two limiting guide wheels 23, and the outer side end of the steel wire rope 15 is fixedly connected with the binding protection assembly;
when the traction device works, the outer side end of the steel wire rope 15 and the binding protection assembly are bound on objects such as a ship to be towed, and then the traction seat 11 is driven by the rescue riding wheel to move away from the towed ship, so that the steel wire rope 15 is gradually straightened and tensioned, the lifting buffer assembly is pressed downwards by the lower limit guide wheels 23 in the straightening and tensioning process of the steel wire rope 15, so that the lifting buffer assembly buffers the steel wire rope 15, and meanwhile, the steel wire rope 15 drives the two limit guide wheels 23 to slowly rotate by friction force until the steel wire rope 15 is completely straightened and tensioned, and the rescue riding wheel moves the ship in a towing way through the steel wire rope 15; when the connection part of the steel wire rope 15 and the traction seat 11 is broken to enable the steel wire rope 15 to collapse, the steel wire rope 15 drives the two limiting guide wheels 23 and the centrifugal locking wheel 24 to rotate rapidly through friction force, so that the centrifugal locking wheel 24 locks the two limiting guide wheels 23 through the rotating centrifugal force, and further the steel wire rope 15 is clamped and locked through the two limiting guide wheels 23 to prevent the broken steel wire rope 15 from continuing to collapse; when the binding position of the steel wire rope 15 and the ship is broken, the binding protection assembly can connect the broken steel wire rope 15 with the ship, so that the broken steel wire rope 15 is prevented from being broken;
according to the invention, the steel wire rope 15 is adopted as the traction rope, so that the strength of the steel wire rope 15 is high, and the steel wire rope 15 is not easy to break, thereby reducing the risk of breakage of the traction rope in the traction process, and meanwhile, the steel wire rope 15 is buffered through the lifting buffer component, so that the impulse magnitude born by the tightening moment of the steel wire rope 15 is reduced, the tension born by the tightening moment of the steel wire rope 15 is further reduced, the steel wire rope 15 is prevented from being broken, the service life of the steel wire rope 15 is prolonged, and the safety of the traction device in operation is improved; and because wire rope 15 intensity is high, elasticity coefficient is little, huge pulling force can't make deformation continue down rapidly when pulling to deformation is the biggest in both sides, and then makes wire rope 15 if take place to fracture, and the biggest both ends fracture of deformation generally (namely wire rope 15 and the link of traction seat 11 and wire rope 15 and the link of towed boats and ships), and through setting up respectively at wire rope 15's both ends and tie up and lock protective structure, make wire rope 15 even both ends fracture also can not be broken and fly, further improved the safety when draw gear uses.
Referring to fig. 1, in one embodiment, a bracket 13 is fixedly arranged at the lower end of a traction seat 11, a winding disc 14 is rotatably arranged on the bracket 13, a motor 12 in transmission connection with the winding disc 14 is fixedly arranged at one end of the bracket 13, a wire rope 15 is wound on the winding disc 14, and a friction brake is arranged at the end part of the winding disc 14; can drive the reel 14 through motor 12 and receive and release to wire rope 15 to make things convenient for accomodating and use of wire rope 15, and can adjust wire rope 15's unreel length through reel 14, thereby make things convenient for wire rope 15 to adapt to the traction length of different demands, and friction brake can be with reel 14 friction locking when pulling, prevent that reel 14 from unreeling under wire rope 15's pulling force effect.
Referring to fig. 1 and 2, in one embodiment, the lifting buffer assembly includes a buffer seat 22, a lifting slide rod 25 and a buffer spring 26, the lifting slide rod 25 is slidably inserted on the top plate 21, the buffer seat 22 is fixedly installed at the top end of the lifting slide rod 25, two limiting guide wheels 23 are rotatably installed on the inner ring of the buffer seat 22, the buffer spring 26 is movably sleeved on the surface of the lifting slide rod 25, and two ends of the buffer spring 26 are respectively abutted to the bottom surface of the buffer seat 22 and the top surface of the top plate 21;
when the steel wire rope 15 is straightened and tensioned, the steel wire rope 15 presses the buffer seat 22 downwards through the limiting guide wheel 23 below, and at the moment, the buffer seat 22 extrudes and contracts the buffer spring 26, so that the steel wire rope 15 is buffered through the elasticity of the buffer spring 26, and the tensile force applied to the steel wire rope 15 in the tensioning moment is reduced.
Referring to fig. 1, 2, 7 and 8, in one embodiment, the centrifugal locking wheel 24 includes an outer locking wheel 241 and an inner locking wheel 243 coaxially disposed inside and outside, the outer locking wheel 241 is fixedly mounted on the inner wall of the buffer seat 22, and the inner ring of the outer locking wheel 241 is fixedly mounted with fixed locking blocks 242 distributed at equal intervals along the circumference; the inner locking wheel 243 is fixedly arranged at the end part of the limiting guide wheel 23, a plurality of centrifugal slide rods 244 which are distributed at equal intervals are slidably arranged on the circumferential surface of the inner locking wheel 243, a centrifugal locking block 247 which extends to one side of the fixed locking block 242 is fixedly arranged at the outer side end of the centrifugal slide rod 244, an end plate 246 is fixedly arranged at the inner side end of the centrifugal slide rod 244, and a return spring 245 which is abutted between the end plate 246 and the inner wall of the inner locking wheel 243 is fixedly arranged on the centrifugal slide rod 244;
when the steel wire rope 15 is unreeled, straightened and tensioned, the steel wire rope 15 drives the upper limit guide wheels 23 and the lower limit guide wheels 23 to slowly rotate through friction force, so that the centrifugal locking wheels 24 at the two ends of the limit guide wheels 23 are driven to slowly rotate, at the moment, the centrifugal sliding rods 244 and the centrifugal locking blocks 247 in the centrifugal locking wheels 24 bear small rotation centrifugal force, and the centrifugal locking blocks 247 are kept in a separated state with the fixed locking blocks 242 under the action of supporting elastic force of the return springs 245, so that the limit guide wheels 23 are not locked; when the steel wire rope 15 is located at one end of the traction seat 11 and breaks, the steel wire rope 15 in traction can collapse and fly to move towards the direction of the ship to be towed, at this time, the steel wire rope 15 rapidly passes through between the two limiting guide wheels 23, thereby driving the two limiting guide wheels 23 to rapidly rotate through friction force, and further driving the inner locking wheel 243 at the outer side end of the limiting guide wheels 23 to rapidly rotate, so that the inner locking wheel 243 rapidly rotates, at this time, the centrifugal slide rod 244 and the centrifugal locking piece 247 move towards the direction of the fixed locking piece 242 under the action of the rotating centrifugal force, and further the centrifugal locking piece 247 is moved and inserted between the adjacent fixed locking pieces 242, so that the outer locking wheel 241 locks and fixes the inner locking wheel 243 through the clamping locking between the centrifugal locking piece 247 and the fixed locking piece 242, and further locks and fixes the limiting guide wheels 23, so that the two limiting guide wheels 23 clamp and fix the broken steel wire rope 15, and the steel wire rope 15 are prevented from collapsing and flying.
Referring to fig. 1, 4 and 5, in one embodiment, the binding protection assembly includes a wire sleeve 210 and a protection connection rope 211, the wire sleeve 210 is fixedly installed at the outer end of the steel wire rope 15, one side of the wire sleeve 210 is fixedly connected with the protection connection rope 211, and the length of the protection connection rope 211 is greater than the distance between the wire sleeve 210 and the outer end of the steel wire rope 15;
when the outer end of the steel wire rope 15 is bound to the towed ship, the end of the protective connecting rope 211 is bound to the towed ship, and the length of the protective connecting rope 211 is longer than the distance between the wire sleeve 210 and the outer end of the steel wire rope 15, so that the protective connecting rope 211 is in a loose and unstressed state when the steel wire rope 15 is tensioned and straightened, the protective connecting rope 211 is prevented from being stretched and broken, and when the connecting end of the steel wire rope 15 and the towed ship is broken, the broken steel wire rope 15 is kept connected with the towed ship through the protective connecting rope 211, and the breakage and the flying of the steel wire rope 15 are prevented.
Referring to fig. 1, 2, 4 and 5, in one embodiment, auxiliary positioning frames 27 are fixedly mounted on two sides of the buffer seat 22, and the lower ends of the auxiliary positioning frames 27 are slidably inserted into the top plate 21; a front limit seat 28 and a rear limit seat 212 are respectively arranged at the front end and the rear end of the buffer seat 22, a limit guide hole 29 for the steel wire rope 15 to pass through is formed in the front limit seat 28, and a guide wheel 213 is rotatably arranged at the top end of the rear limit seat 212;
when the buffer seat 22 descends to buffer and protect the steel wire rope 15, the buffer seat 22 drives the auxiliary positioning frame 27 to synchronously move downwards, and the auxiliary positioning frame 27 is used for auxiliary positioning of the buffer seat 22, so that the installation and operation of the buffer seat 22 are more stable, and the buffer seat 22 is prevented from shifting under the action of the steel wire rope 15; the limiting guide hole 29 and the guide wheel 213 can conduct guiding limiting on the steel wire rope 15 passing through the limiting guide wheels 23, so that the steel wire rope 15 stably passes through between the two limiting guide wheels 23, and guiding and locking effects of the limiting guide wheels 23 on the steel wire rope 15 are guaranteed.
Referring to fig. 1 and 3, in one embodiment, two ends of the reel 14 are further provided with a turntable locking mechanism 3, and the turntable locking mechanism 3 includes a clamping locking assembly and a transmission assembly, where the clamping locking assembly is mounted on the bracket 13 and is in transmission connection with the auxiliary positioning frame 27 through the transmission assembly;
when the lifting buffer component descends to buffer the steel wire rope 15 and drive the auxiliary positioning frame 27 to synchronously descend, the auxiliary positioning frame 27 can drive the clamping locking component to clamp and lock the rolling disc 14 through the transmission component, so that the rolling disc 14 is prevented from being pulled too much to overcome the friction locking rotation unreeling of the friction brake during traction, and the normal and stable operation of the traction device is ensured.
Referring to fig. 1, 3, 4, 6, 9 and 10, in one embodiment, the clamping locking assembly includes a locking plate 31 and an optical axis guide rail 36, the locking plate 31 is fixedly mounted at an end of the winding disc 14, and a plurality of locking holes 32 are formed at an outer end of the locking plate 31; the optical axis guide rail 36 is fixedly arranged at the upper end of the bracket 13, the optical axis guide rail 36 is provided with a guide block 35 in a sliding manner, one side of the guide block 35 is fixedly provided with a movable lock plate 33 positioned at one side of the fixed lock plate 31, and one side of the movable lock plate 33 is fixedly provided with a plurality of lock rods 34 which are in one-to-one correspondence with the lock holes 32; the transmission assembly comprises a screw rod 38 and a rack 39, the rack 39 is fixedly arranged at the bottom end of the auxiliary positioning frame 27, the screw rod 38 is rotatably arranged at the upper end of the bracket 13, one end of the screw rod 38 is fixedly provided with a gear 37 which is in meshed transmission connection with the rack 39, the other end of the screw rod 38 is in threaded transmission connection with a threaded seat 312, one side of the threaded seat 312 is fixedly provided with a push-pull plate 310 positioned on the outer side surface of the movable lock plate 33, and a push-pull spring 311 is fixedly connected between the push-pull plate 310 and the movable lock plate 33;
when the auxiliary positioning frame 27 descends in the tightening process of the steel wire rope 15, the auxiliary positioning frame 27 drives the rack 39 to synchronously descend, so that the rack 39 is meshed with the driving gear 37 to rotate, further, the gear 37 drives the screw rod 38 to rotate, when the screw rod 38 rotates, the screw rod 312 is driven to move towards the winding disc 14 through threaded transmission, and accordingly the push-pull plate 310 is driven to move towards the winding disc 14, at the moment, the push-pull plate 310 pushes the movable lock plate 33 and the guide block 35 towards the winding disc 14 along the optical axis guide rail 36 through the push-pull spring 311, the lock rod 34 on one side of the movable lock plate 33 is abutted against the outer side face of the fixed lock plate 31, then the auxiliary positioning frame 27 and the rack 39 continuously descend, the push-pull plate 310 is driven to continuously move towards the winding disc 14 along with the continuous descending of the auxiliary positioning frame 27 and the rack 39, so that the push-pull spring 311 is abutted and contracted, when the traction force is excessively large, the winding disc 14 overcomes the friction locking of the friction brake, the winding disc 14 drives the fixed lock plate 31 to synchronously rotate, so that the lock plate 31 moves towards the winding disc 14, and when the lock hole 32 is rotated to the position opposite to the lock hole 32, the lock hole 32 is rotated, the lock hole 32 is kept in the direction, and the lock hole 32 is continuously locked, and the lock hole 32 is kept under the action, and the normal rotation, and the lock hole 32 is kept under the action, and the lock force, and the lock hole 32.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above disclosed preferred embodiments of the invention are merely intended to help illustrate the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (9)
1. The utility model provides a rescue tug draw gear with protective structure, includes traction mechanism (1) and buffering protection machanism (2), its characterized in that: the traction mechanism (1) comprises a traction seat (11) fixedly arranged on a rescue riding wheel, and a steel wire rope (15) is fixedly connected to the traction seat (11);
the buffering protection mechanism (2) comprises a top plate (21), a lifting buffering assembly, two limiting guide wheels (23) and a binding protection assembly, wherein the top plate (21) is fixedly installed at the upper end of the traction seat (11), the two limiting guide wheels (23) are installed above the top plate (21) in an up-down distribution mode through the lifting buffering assembly, centrifugal locking wheels (24) are installed between the end portions of the two limiting guide wheels (23) and the lifting buffering assembly in a connecting mode, the outer side end of the steel wire rope (15) extends to the top surface of the top plate (21) and penetrates through the space between the two limiting guide wheels (23), and the outer side end of the steel wire rope (15) is fixedly connected with the binding protection assembly.
2. A rescue tug towing attachment with protective structure as claimed in claim 1, wherein: the traction device is characterized in that a bracket (13) is fixedly arranged at the lower end of the traction seat (11), a rolling disc (14) is rotatably arranged on the bracket (13), a motor (12) in transmission connection with the rolling disc (14) is fixedly arranged at one end of the bracket (13), a steel wire rope (15) is wound on the rolling disc (14), and a friction brake is arranged at the end part of the rolling disc (14).
3. A rescue tug towing attachment with protective structure as claimed in claim 2, wherein: the lifting buffer assembly comprises a buffer seat (22), a lifting slide rod (25) and a buffer spring (26), wherein the lifting slide rod (25) is slidably inserted on the top plate (21), the buffer seat (22) is fixedly installed on the top end of the lifting slide rod (25), the two limiting guide wheels (23) are rotatably installed on the inner ring of the buffer seat (22), the buffer spring (26) is movably sleeved on the surface of the lifting slide rod (25), and two ends of the buffer spring (26) are respectively abutted to the bottom surface of the buffer seat (22) and the top surface of the top plate (21).
4. A rescue tug towing attachment with protective structure as claimed in claim 3, wherein: the centrifugal locking wheel (24) comprises an outer locking wheel (241) and an inner locking wheel (243) which are coaxially arranged inside and outside, the outer locking wheel (241) is fixedly arranged on the inner wall of the buffer seat (22), and the inner ring of the outer locking wheel (241) is fixedly provided with fixed locking blocks (242) which are distributed at equal intervals in circumference;
the inner locking wheel (243) is fixedly arranged at the end part of the limiting guide wheel (23), a plurality of centrifugal slide rods (244) which are distributed at equal intervals are slidably arranged on the circumferential surface of the inner locking wheel (243), centrifugal lock blocks (247) which extend to one side of the fixed lock blocks (242) are fixedly arranged at the outer side ends of the centrifugal slide rods (244), end plates (246) are fixedly arranged at the inner side ends of the centrifugal slide rods (244), and reset springs (245) which are abutted between the end plates (246) and the inner walls of the inner locking wheels (243) are fixedly arranged on the centrifugal slide rods (244).
5. A rescue tug towing attachment with protective structure as claimed in claim 1, wherein: the binding protection assembly comprises a wiring sleeve (210) and a protection connection rope (211), wherein the wiring sleeve (210) is fixedly installed at the outer side end of the steel wire rope (15), one side of the wiring sleeve (210) is fixedly connected with the protection connection rope (211), and the length of the protection connection rope (211) is larger than the distance between the wiring sleeve (210) and the outer side end head of the steel wire rope (15).
6. A rescue tug towing attachment with protective structure as claimed in claim 3, wherein: auxiliary positioning frames (27) are fixedly arranged on two sides of the buffer seat (22), and the lower ends of the auxiliary positioning frames (27) are in sliding insertion connection with the top plate (21);
front limit seat (28) and back limit seat (212) are installed respectively at the front and back both ends of buffer seat (22), limit guide hole (29) that supplies wire rope (15) to pass are offered on front limit seat (28), leading wheel (213) are installed in the top rotation of back limit seat (212).
7. A rescue tug traction device with a protective structure as defined in claim 6 wherein: the two ends of the winding disc (14) are also provided with rotary disc locking mechanisms (3), the rotary disc locking mechanisms (3) comprise clamping locking assemblies and transmission assemblies, and the clamping locking assemblies are arranged on the support (13) and are in transmission connection with the auxiliary positioning frames (27) through the transmission assemblies.
8. A rescue tug traction device with a protective structure as defined in claim 7 wherein: the clamping locking assembly comprises a locking plate (31) and an optical axis guide rail (36), wherein the locking plate (31) is fixedly arranged at the end part of the winding disc (14), and a plurality of lock holes (32) are formed in the outer side end of the locking plate (31);
the optical axis guide rail (36) is fixedly arranged at the upper end of the bracket (13), the optical axis guide rail (36) is provided with a guide block (35) in a sliding manner, one side of the guide block (35) is fixedly provided with a movable lock plate (33) positioned at one side of the fixed lock plate (31), and one side of the movable lock plate (33) is fixedly provided with a plurality of lock rods (34) corresponding to the lock holes (32) one by one.
9. A rescue tug traction device with a protective structure as defined in claim 8 wherein: the transmission assembly comprises a screw rod (38) and a rack (39), the rack (39) is fixedly arranged at the bottom end of the auxiliary positioning frame (27), the screw rod (38) is rotatably arranged at the upper end of the support (13), one end of the screw rod (38) is fixedly provided with a gear (37) which is in meshed transmission connection with the rack (39), the other end of the screw rod (38) is in threaded transmission connection with a threaded seat (312), one side of the threaded seat (312) is fixedly provided with a push-pull plate (310) positioned on the outer side face of the movable lock plate (33), and a push-pull spring (311) is fixedly connected between the push-pull plate (310) and the movable lock plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410007122.7A CN117799789B (en) | 2024-01-03 | 2024-01-03 | Rescue tug traction device with protective structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410007122.7A CN117799789B (en) | 2024-01-03 | 2024-01-03 | Rescue tug traction device with protective structure |
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| CN117799789A true CN117799789A (en) | 2024-04-02 |
| CN117799789B CN117799789B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410007122.7A Active CN117799789B (en) | 2024-01-03 | 2024-01-03 | Rescue tug traction device with protective structure |
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|---|---|
| CN117799789B (en) | 2024-07-02 |
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