CN116215805A - Adjustable life buoy fixing device for ship - Google Patents

Adjustable life buoy fixing device for ship Download PDF

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Publication number
CN116215805A
CN116215805A CN202310511212.5A CN202310511212A CN116215805A CN 116215805 A CN116215805 A CN 116215805A CN 202310511212 A CN202310511212 A CN 202310511212A CN 116215805 A CN116215805 A CN 116215805A
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CN
China
Prior art keywords
outer cylinder
accommodating groove
movable outer
groove
cylinder
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CN202310511212.5A
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Chinese (zh)
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CN116215805B (en
Inventor
滕强
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Weihai Ocean Vocational College
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Weihai Ocean Vocational College
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Priority to CN202310511212.5A priority Critical patent/CN116215805B/en
Publication of CN116215805A publication Critical patent/CN116215805A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00Life-saving in water
    • B63C9/22Devices for holding or launching life-buoys, inflatable life-rafts, or other floatable life-saving equipment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Ship Loading And Unloading (AREA)

Abstract

The utility model relates to the field of marine equipment, in particular to an adjustable life buoy fixing device for a ship, which comprises a bearing base, a fixed bottom cylinder, a movable outer cylinder and a plurality of retraction mechanisms, wherein a hand pulling piece is arranged on the movable outer cylinder; each retracting mechanism comprises an overhanging piece, an L-shaped carrier plate and a gear rack; a plurality of coil springs are arranged between the movable outer cylinder and the fixed bottom cylinder, and a plurality of limiting clamping plates and limiting clamping grooves are respectively arranged on the hand pulling piece and the fixed bottom cylinder. When the life buoy is fixed, the life buoy can be placed on the L-shaped carrier plates by only pulling the movable outer cylinder on the fixed bottom cylinder outwards and rotating the outer sealing cover, and after the outer sealing cover is reversed, the movable outer cylinder can be driven to return to the corresponding position of the fixed inner cylinder under the action of the coil springs, and the life buoy is pressed by the L-shaped carrier plates after the overturning.

Description

Adjustable life buoy fixing device for ship
Technical Field
The utility model relates to the field of marine equipment, in particular to an adjustable life buoy fixing device for a ship.
Background
A life buoy refers to a kind of water life-saving equipment, which is usually made of cork, foamed plastic or other light materials with smaller specific gravity, and is covered with canvas, plastic and the like. The life buoy for swimming exercise can also be made of rubber, and is filled with air, also called rubber ring.
The utility model patent with the publication number of CN108860517A in China discloses an adjustable fixing device for a ship life buoy, which comprises a fixing base, a connecting seat, an adjusting cylinder, an adjusting screw rod, an adjusting handle, ball nuts, two sliding blocks and the like, wherein sliding grooves corresponding to the two sliding blocks are formed in the left side and the right side of the adjusting cylinder;
the fixing device for the ship life buoy has the following defects: the method for fixing the life buoy is that the life buoy is manually close to two limit rods and put on an adjusting cylinder, the two limit rods are put on, a ball nut is pushed to translate by adopting an adjusting screw rod with threads on the outer rotating wall, and finally the two limit rods are driven to press the life buoy, so that when the life buoy is needed to be used, the adjusting screw rod is needed to be reversed firstly, the life buoy is loosened and then is close to the two limit rods, the life buoy can be taken out, in actual use, a scene of needing to use the life buoy is always urgent, the mode for taking out the life buoy needs relatively long time, and the life buoy cannot be taken out and used in a short time; meanwhile, the mode of fixing the life buoy is time-consuming and labor-consuming and inconvenient.
The utility model patent with the publication number of CN206856960U in China discloses a life buoy fixing device for ships, which comprises an annular underframe, a plurality of L-shaped hanging plates, a plurality of connecting rods, supporting springs, a rotating shaft, a transmission piece and the like. According to the life ring fixing device for the ship, before the life rings are fixed, the plurality of L-shaped hanging plates are required to be translated inwards synchronously so as to be put in, but after the life rings are put in, the plurality of L-shaped hanging plates cannot support the inner rings of the life rings at the same time, the life rings cannot be stably placed on the plurality of L-shaped hanging plates for a first time, and still can move in the planes where the plurality of L-shaped hanging plates are located, especially, the life rings on the plurality of ships are fixed on ship side rails, so that the life rings are required to be supported and positioned manually, but when the plurality of L-shaped hanging plates are driven to be opened, the positioning rods are required to be pulled firstly to unlock, the handle is required to be rocked to drive the L-shaped hanging plates to reset, so that under the condition that the life rings are required to be supported manually, the positioning rods and the rotating handle are inconvenient to be pulled later, if the handle is pulled directly and automatically reset under the action of the supporting springs, the elastic action of the supporting springs is easy to enable collision with the annular bottom frame to happen, and further damage parts.
Disclosure of Invention
Based on this, it is necessary to provide an adjustable life buoy fixing device for a ship in view of the problems of the prior art.
In order to solve the problems in the prior art, the utility model adopts the following technical scheme:
an adjustable lifebuoy fixation device for a watercraft, comprising:
the bearing base is fixedly arranged on the ship, and a containing groove for placing the life buoy is formed on the bearing base;
the fixed bottom cylinder is fixedly arranged at the center of the accommodating groove;
the movable outer cylinder is coaxially and movably arranged on the fixed bottom cylinder, a hand pulling piece for pulling the movable outer cylinder to translate along the axis of the fixed bottom cylinder and away from the accommodating groove is arranged on the movable outer cylinder, and the hand pulling piece can be rotationally connected with the movable outer cylinder;
the device comprises a movable outer cylinder, a plurality of retraction mechanisms, a plurality of lifting mechanisms and a plurality of lifting mechanisms, wherein the retraction mechanisms are uniformly distributed on the movable outer cylinder along the circumferential direction, each retraction mechanism comprises an outer extension part fixedly connected with the movable outer cylinder, an L-shaped carrier plate hinged to one end of the outer extension part far away from the axis of the movable outer cylinder, a gear which is arranged on the movable outer cylinder in a shaft connection manner and is in transmission connection with a rotating shaft of the L-shaped carrier plate, and a rack fixedly connected with a fixed bottom cylinder and meshed with the gear, and the gear is used for driving the L-shaped carrier plate to rotate ninety degrees when the movable outer cylinder moves from a state closest to a state farthest from the accommodating groove;
the life buoy is erected on the L-shaped carrier plates when the movable outer cylinder is farthest from the accommodating groove, and is pressed in the accommodating groove by the L-shaped carrier plates when the movable outer cylinder is closest to the accommodating groove;
the movable outer cylinder and the fixed bottom cylinder are provided with a plurality of coil springs for pulling the movable outer cylinder to the accommodating groove, the hand pulling piece and the fixed bottom cylinder are respectively provided with a plurality of limiting clamping plates and limiting clamping grooves in one-to-one correspondence, and the hand pulling piece can rotate and enable the clamping of the plurality of limiting clamping plates in one-to-one correspondence to be in the plurality of limiting clamping grooves after the movable outer cylinder is far away from the accommodating groove.
Preferably, the outer extending piece is a U-shaped plate with a closed end fixedly connected with the outer wall of the movable outer cylinder, the L-shaped carrier plate comprises two abnormal plates which are perpendicular to each other and are hinged to the opening end of the U-shaped plate, and one end, close to the U-shaped plate, of the abnormal plate is provided with a Z-shaped bending structure for preventing the hinge end of the abnormal plate from colliding with the life buoy.
Preferably, the open end of the U-shaped plate is provided with a first inner shaft, the first inner shaft is coaxially connected with a first outer cylinder in a polygonal column structure in a shaft mode, one end, close to the U-shaped plate, of each special-shaped plate is fixedly sleeved on the first outer cylinder, and the gear is connected with the first outer cylinder in a transmission mode.
Preferably, a plurality of connecting through grooves for connecting a plurality of gears in a one-to-one correspondence manner are formed in the cylinder wall of the movable outer cylinder, a second inner shaft is fixedly connected to the inner wall of the connecting through groove, a second outer cylinder is coaxially connected to the second inner shaft in a shaft-connecting manner, the gears are fixedly sleeved on the second outer cylinder, a plurality of long-strip sinking grooves corresponding to a plurality of racks in one-to-one correspondence manner are formed in the outer wall of the fixed bottom cylinder, the racks are fixedly arranged in the long-strip sinking grooves, the length directions of the racks are parallel to the axis of the fixed bottom cylinder, synchronous wheels are fixedly sleeved on the first outer cylinder and the second outer cylinder, and the two synchronous wheels are connected through synchronous belt transmission.
Preferably, two adjusting sliding grooves for enabling two ends of the first inner shaft to translate along the length direction of the U-shaped plate are formed in the opening end of the U-shaped plate, two fixing blocks corresponding to the two adjusting sliding grooves are fixedly connected to the opening end of the U-shaped plate, each fixing block is connected with an adjusting screw in parallel to the length direction of the U-shaped plate in the axial direction, one end of the adjusting screw, close to the first inner shaft, is not provided with external threads, and cylindrical sinking grooves corresponding to end structures of the adjusting screw are formed in the two ends of the first inner shaft.
Preferably, the inner wall of the movable outer barrel far away from one end of the accommodating groove is provided with a plurality of first axial sinking grooves corresponding to the plurality of coil springs one by one, each coil spring is arranged at one end of the corresponding first axial sinking groove close to the accommodating groove, the outer wall of the fixed bottom barrel far away from one end of the accommodating groove is provided with a plurality of second axial sinking grooves corresponding to the plurality of coil springs one by one, one end of the second axial sinking groove close to the accommodating groove is provided with two screw holes fixedly connected with the outer end of the coil spring, the outer end of the coil spring extends out of the first axial sinking groove and extends into the two screw holes towards the direction of the accommodating groove, and one end of the first axial sinking groove close to the accommodating groove is also provided with an avoidance through groove which is not connected with the first axial sinking groove and is used for connecting the coil spring with the two screw holes.
Preferably, the hand pulling piece is an outer sealing cover coaxially and movably arranged at one end of the movable outer cylinder far away from the accommodating groove, a handle part for holding is formed at one end of the outer sealing cover far away from the accommodating groove, and a limiting gland for preventing the outer sealing cover from axially moving along the movable outer cylinder is coaxially and fixedly connected at the end of the movable outer cylinder.
Preferably, the movable outer cylinder is far away from the coaxial slip cap of holding tank one end and locates on the fixed end section of thick bamboo, the fixed end section of thick bamboo is close to the axial spout that two symmetries set up on the holding tank one end outer wall, and movable outer cylinder is close to holding tank one end shaping has two axial lugs that set up in two axial spouts along its axial slip respectively, every still set up the middle part on the axial lug and lead to the groove, still fixedly connected with two symmetries set up radial connecting axle on the cell wall that holding tank one end was kept away from to every axial spout, and equal coupling is provided with the pulley on every radial connecting axle, and the pulley is used for leading to the groove to be close to with the middle part respectively and keep away from the holding tank one end and cooperate and carry out spacingly to the translation of movable outer cylinder on the fixed end section of thick bamboo.
Compared with the prior art, the utility model has the following beneficial effects:
firstly, when the life buoy is fixed, the life buoy can be placed on a plurality of L-shaped carrier plates only by pulling the movable outer cylinder positioned on the fixed bottom cylinder outwards and rotating the outer sealing cover, and after the outer sealing cover is reversed, the movable outer cylinder can be driven to return to the corresponding position of the fixed inner cylinder under the action of a plurality of coil springs, and the life buoy is pressed by the plurality of overturned L-shaped carrier plates;
secondly, when the life buoy is taken and placed, only the outer sealing cover is required to be rotated for a certain angle and the movable outer cylinder is enabled to translate on the fixed bottom cylinder for a certain distance, so that the life buoy taking and placing device is high in speed and convenient to operate, and can meet actual use scenes more;
thirdly, after the movable outer cylinder axially translates along the fixed bottom cylinder, the L-shaped carrier plates can be driven to turn over by the cooperation of the gear, the rack, the L-shaped carrier plates and the like in each retracting mechanism, so that the life buoy is tightly pressed in the accommodating groove after the movable outer cylinder is close to the accommodating groove, and the life buoy is erected on a plurality of L-shaped carrier plates after the movable outer cylinder is far away from the accommodating groove, so that the life buoy can be taken out for use quickly;
fourth, when the life buoy is placed and taken out, the life buoy is placed on a plurality of L-shaped carrier plates matched with the outer diameter of the life buoy, so that the stability of the life buoy can be ensured, and an operator can conveniently place the life buoy, and pull and rotate the outer sealing cover.
Drawings
Fig. 1 is a schematic perspective view of a life buoy in an embodiment when the life buoy is erected on a plurality of L-shaped carrier plates.
Fig. 2 is a schematic perspective view of the life buoy in the holding groove according to the embodiment.
Fig. 3 is a top view of an embodiment in which a lifebuoy is clamped in a receiving groove.
Fig. 4 is a cross-sectional view taken along line A-A of fig. 3.
Fig. 5 is a partial structure enlarged view at B1 in fig. 4.
Fig. 6 is an enlarged view of a partial structure at B2 in fig. 4.
Fig. 7 is an enlarged view of a partial structure at B3 in fig. 4.
Fig. 8 is a schematic perspective view of a fixed bottom cylinder, a movable outer cylinder and a plurality of retracting mechanisms of the embodiment.
Fig. 9 is an exploded perspective view of the fixed bottom cylinder, the movable outer cylinder and several retracting mechanisms of the embodiment.
Fig. 10 is an enlarged view of a partial structure at C in fig. 9.
Fig. 11 is an exploded perspective view of the fixed bottom cartridge and outer cover of the embodiment.
Fig. 12 is an enlarged view of a partial structure at D in fig. 11.
Fig. 13 is an exploded perspective view of the movable outer cylinder and one of the retracting mechanisms of the embodiment.
Fig. 14 is an enlarged view of a partial structure at E1 in fig. 13.
Fig. 15 is a partial structure enlarged view at E2 in fig. 13.
Fig. 16 is a perspective structural sectional view of the movable outer tube of the embodiment.
Fig. 17 is an enlarged view of a partial structure at F in fig. 16.
The reference numerals in the figures are: 1. a life buoy; 2. a load-bearing base; 3. a receiving groove; 4. fixing the bottom cylinder; 5. a movable outer cylinder; 6. a retracting mechanism; 7. an L-shaped carrier plate; 8. a gear; 9. a rack; 10. a coil spring; 11. a limiting clamping plate; 12. a limit clamping groove; 13. a U-shaped plate; 14. a shaped plate; 15. a first inner shaft; 16. a first outer cylinder; 17. connecting the through groove; 18. a second inner shaft; 19. a second outer cylinder; 20. a strip sinking groove; 21. a synchronizing wheel; 22. a synchronous belt; 23. adjusting the chute; 24. a fixed block; 25. adjusting a screw; 26. a first axial sink; 27. a second axial sink; 28. a screw hole; 29. avoiding the through groove; 30. an outer cover; 31. a handle portion; 32. a limit gland; 33. an axial chute; 34. an axial projection; 35. the middle part is communicated with a groove; 36. a radial connecting shaft; 37. and (3) a pulley.
Detailed Description
The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.
Referring to fig. 1 to 17, there is shown an adjustable life buoy fixing device for a ship, comprising:
the bearing base 2 is fixedly arranged on the ship, and is provided with a containing groove 3 for placing the life buoy 1;
a fixed bottom cylinder 4 fixedly arranged at the center of the accommodating groove 3;
the movable outer cylinder 5 is coaxially and movably arranged on the fixed bottom cylinder 4, a hand pulling piece for pulling the movable outer cylinder 5 to translate along the axis of the fixed bottom cylinder 4 and away from the accommodating groove 3 is arranged on the movable outer cylinder, and the hand pulling piece can be rotationally connected with the movable outer cylinder 5;
the device comprises a plurality of retracting mechanisms 6 which are uniformly distributed along the circumferential direction and are arranged on a movable outer cylinder 5, wherein each retracting mechanism 6 comprises an overhanging part fixedly connected with the movable outer cylinder 5, an L-shaped carrier plate 7 hinged to one end of the overhanging part far away from the axis of the movable outer cylinder 5, a gear 8 which is arranged on the movable outer cylinder 5 in a shaft connection manner and is in transmission connection with a rotating shaft of the L-shaped carrier plate 7, and a rack 9 fixedly connected with a fixed bottom cylinder 4 and meshed with the gear 8, and the gear 8 is used for driving the L-shaped carrier plate 7 to rotate ninety degrees when the movable outer cylinder 5 moves from a state closest to the accommodating groove 3 to a state farthest from the accommodating groove 3;
when the movable outer cylinder 5 is farthest from the accommodating groove 3, the life buoy 1 is erected on a plurality of L-shaped carrier plates 7, and when the movable outer cylinder 5 is closest to the accommodating groove 3, the life buoy 1 is pressed in the accommodating groove 3 by the plurality of L-shaped carrier plates 7;
wherein, be provided with a plurality of be used for pulling movable urceolus 5 to holding tank 3 wind spring 10 between fixed end section of thick bamboo 4, be provided with spacing cardboard 11 and spacing draw-in groove 12 of a plurality of one-to-one on hand power piece and the fixed end section of thick bamboo 4 respectively, hand power piece can rotate and make the chucking of a plurality of spacing cardboard 11 one-to-one in a plurality of spacing draw-in groove 12 after movable urceolus 5 keep away from holding tank 3.
The bearing base 2 can be fixedly connected with the ship in a horizontal state, a vertical state or an inclined state, only the containing groove 3 is required to be ensured not to face downwards, the life buoy 1 can be prevented from being erected on the L-shaped carrier plates 7 by means of dead weight, the life buoy 1 can be made of hard materials or soft materials, when the fixing device is used, the movable outer cylinder 5 is pulled out firstly through the hand pulling piece, the movable outer cylinder 5 is in a state of being furthest away from the fixed bottom cylinder 4, the hand pulling piece is rotated, the limiting clamping plates 11 are clamped on the limiting clamping grooves 12, the movable outer cylinder 5 is prevented from automatically moving back to the containing groove 3 under the action of the coil springs 10, then the life buoy 1 is placed on the L-shaped carrier plates 7 (namely, the state shown in figure 1), the limiting clamping plates 11 are not clamped any more by reversely rotating the hand pulling piece, the plurality of coil springs 10 drive the movable outer cylinder 5 to translate towards the accommodating groove 3, meanwhile, the gear 8 and the rack 9 act and then drive the corresponding L-shaped carrier plates 7 to rotate ninety degrees, the plurality of L-shaped carrier plates 7 press the life buoy 1 in the accommodating groove 3 after overturning ninety degrees at the same time (namely, the state is shown in figure 2), in the overturning process, before the plate surface of the L-shaped carrier plates 7 in the vertical state in figure 1 is not overturned to be parallel to the axis of the movable outer cylinder 5, the life buoy 1 can be ensured not to be separated from the plurality of L-shaped carrier plates 7 or fall into the accommodating groove 3 in advance through the gravity and rigidity of the life buoy 1 and the limit of the L-shaped carrier plates 7 on the life buoy 1, and when the plate surface of the L-shaped carrier plates 7 in the vertical state in figure 1 is overturned to be parallel to the axis of the movable outer cylinder 5, the life buoy 1 can be just driven to fall into the accommodating groove 3 and be closely attached to the accommodating groove 3, the bearing base 2 and the accommodating groove 3 are in the structures shown in fig. 1 and 4, the accommodating groove 3 comprises a sinking groove which is connected with the fixed bottom barrel 4 and has a smaller diameter and a sinking groove which is used for bearing the life buoy 1 and has a larger diameter, the limiting clamping plate 11 and the limiting clamping groove 12 are in the structures shown in fig. 9 and 11, when the movable outer barrel 5 is not in a state farthest from the accommodating groove 3, the limiting clamping plate 11 cannot rotate in the limiting clamping groove 12, one end of the limiting clamping groove 12, far away from the accommodating groove 3, is provided with a section of arc groove structure which can enable the limiting clamping plate 11 to rotate for a certain angle near one end of the accommodating groove 3, and the limiting clamping plate 11 is screwed into the arc groove structure to prevent the limiting clamping plate 11 from moving towards the accommodating groove 3.
In order to connect the L-shaped carrier plate 7 and the overhanging element and ensure stable clamping of the L-shaped carrier plate 7 to the life buoy 1, the following features are specifically provided:
the overhanging piece is a U-shaped plate 13 with a closed end fixedly connected with the outer wall of the movable outer cylinder 5, the L-shaped carrier plate 7 comprises two abnormal plates 14 which are mutually perpendicular and are hinged to the opening end of the U-shaped plate 13, and one end of the abnormal plate 14, which is close to the U-shaped plate 13, is provided with a Z-shaped bending structure for preventing the hinge end of the abnormal plate 14 from collision with the life buoy 1.
The U-shaped plate 13 is in a structure shown in fig. 9, one end of the U-shaped plate close to the movable outer cylinder 5 is in an arc-shaped structure which adapts to the shape of the outer wall of the movable outer cylinder 5, the end of the U-shaped plate can be directly welded and connected with the movable outer cylinder 5, the abnormal plate 14 is in a structure shown in fig. 13, and the Z-shaped bending structure of the U-shaped plate close to one end of the U-shaped plate 13 can ensure that the hinged end of the L-shaped carrier plate 7 is not contacted with the life buoy 1 in the process of overturning the L-shaped carrier plate 7 for ninety degrees;
the two shaped plates 14 together form the corresponding L-shaped carrier plate 7, and in fig. 13, the two shaped plates 14 are exploded views of a three-dimensional structure when the life buoy 1 is pressed in the accommodating groove 3 (the life buoy 1 and the accommodating groove 3 are not shown in the drawing).
In order to hinge the corresponding end of the profiled plate 14 to the open end of the U-shaped plate 13, the following features are specifically provided:
the open end of U template 13 is provided with first interior axle 15, and coaxial coupling is provided with the first urceolus 16 that is the polygon prism structure on the first interior axle 15, every the one end that is close to U template 13 of shaped plate 14 all fixed cover is located on the first urceolus 16, gear 8 links to each other with first urceolus 16 transmission.
The polygonal prism structure of the first outer cylinder 16 can effectively ensure that the irregular plate 14 rotates along with the rotation of the first outer cylinder 16, and the gear 8 is in transmission connection with the first outer cylinder 16, so that the gear 8 can drive the irregular plate 14 to rotate after being matched with the rack 9 to rotate.
In order to pivotally arrange the gear 8 on the movable outer cylinder 5 and to drive the gear 8 to connect with the second outer cylinder 19, the following features are specifically provided:
the cylinder wall of the movable outer cylinder 5 is provided with a plurality of connecting through grooves 17 which are used for being connected with a plurality of gears 8 in a one-to-one correspondence mode, the inner wall of each connecting through groove 17 is fixedly connected with a second inner shaft 18, the second inner shaft 18 is coaxially connected with a second outer cylinder 19 in a shaft mode, the gears 8 are fixedly sleeved on the second outer cylinder 19, the outer wall of the fixed bottom cylinder 4 is provided with a plurality of strip sinking grooves 20 which are in one-to-one correspondence with a plurality of racks 9, the racks 9 are fixedly arranged in the strip sinking grooves 20, the length directions of the racks 9 are parallel to the axis of the fixed bottom cylinder 4, the first outer cylinder 16 and the second outer cylinder 19 are fixedly sleeved with synchronous wheels 21, and the two synchronous wheels 21 are connected through a synchronous belt 22 in a transmission mode.
The connecting slot 17 is in the structure shown in fig. 11 and 17, the second inner shaft 18 is fixedly arranged on the slot wall of the connecting slot 17, which is close to one side of the axis of the movable outer barrel 5, and the second outer barrel 19 can be also formed into a polygonal prism structure so as to ensure synchronous rotation of the gear 8 and the corresponding synchronous wheel 21, and the connecting slot 17 and the long sinking slot 20 can avoid the gear 8, the corresponding synchronous wheel 21 and the synchronous belt 22.
In order to ensure that the timing belt 22 on the two timing wheels 21 is in tension, the following features are specifically provided:
the open end of U template 13 has offered two regulation spouts 23 that are used for supplying first interior axle 15 both ends to translate along the length direction of U template 13 respectively, and U template 13 open end has still linked firmly two fixed blocks 24 that correspond two regulation spouts 23 respectively, every equal threaded connection has the adjusting screw 25 that axis direction paralleled with U template 13 length direction on the fixed block 24, and the one end that adjusting screw 25 is close to first interior axle 15 does not take shape the external screw thread, and the cylinder heavy groove that uses adjusting screw 25 to correspond end structure has all been offered at the both ends of first interior axle 15.
The cylindrical sinking groove is not shown in the figure, two ends of the first inner shaft 15 are in the structure shown in fig. 14, and the first inner shaft 15 can be driven to move away from the axis of the movable outer cylinder 5 by rotating the two adjusting screws 25 and propping the corresponding ends of the adjusting screws 25 in the corresponding cylindrical sinking groove, namely, the two synchronizing wheels 21 are driven to move away from each other, so that the tensioning of the synchronous belt 22 on the two synchronizing wheels 21 is ensured, and the stable transmission between the two synchronizing wheels 21 is ensured.
In order to provide a plurality of coil springs 10 between the fixed bottom cylinder 4 and the movable outer cylinder 5, the following features are specifically provided:
the inner wall of the movable outer cylinder 5 far away from one end of the accommodating groove 3 is provided with a plurality of first axial sinking grooves 26 which are in one-to-one correspondence with the plurality of coil springs 10, each coil spring 10 is arranged at one end of the corresponding first axial sinking groove 26 close to the accommodating groove 3, the outer wall of the end of the fixed bottom cylinder 4 far away from the accommodating groove 3 is provided with a plurality of second axial sinking grooves 27 which are in one-to-one correspondence with the plurality of coil springs 10, one end of the second axial sinking groove 27 close to the accommodating groove 3 is provided with two screw holes 28 which are fixedly connected with the outer end of the coil spring 10, the outer end of the coil spring 10 extends out of the first axial sinking groove 26 and extends into the two screw holes 28 towards the accommodating groove 3, and one end of the first axial sinking groove 26 close to the accommodating groove 3 is also provided with a avoiding through groove 29 which is not connected with the first axial sinking groove 26 and is used for connecting the coil spring 10 with the two screw holes 28.
The coil spring 10 is in a structure shown in fig. 17, the coil spring 10 has a certain elasticity, when the movable inner cylinder is closest to the accommodating groove 3, one end of the first axial sinking groove 26, which is close to the accommodating groove 3, is positioned at one side of the two screw holes 28, which is far away from the accommodating groove 3, and the avoidance through groove 29 is communicated with the two screw holes 28, when the coil spring 10 is installed, the movable inner cylinder is arranged closest to the accommodating groove 3, the coil spring 10 is placed in the first axial sinking groove 26, a small section of the outer end of the coil spring 10 has a certain hardness and cannot be twisted, the end of the coil spring 10 is used for being connected with the screw holes 28, after the coil spring 10 is placed in the first axial sinking groove 26, the outer end of the coil spring 10 can be pulled out of the first axial sinking groove 26 and stretched to the two screw holes 28, the outer end of the coil spring 10 is fixed on the two screw holes 28 by screwing screws (not shown in the figure), the avoidance through groove 29 is used for conveniently pulling out the end of the coil spring 10 and arranging screws, one end of the first axial sinking groove 26, which is close to the accommodating groove 3, is used for propping against the coil spring 10, and drives the coil spring 10 to roll after the movable outer barrel 5 moves away from the accommodating groove 3, so that when the movable outer barrel 5 moves to the position farthest away from the accommodating groove 3, the plurality of coil springs 10 are guaranteed to provide corresponding elastic force to drive the movable outer barrel 5 to move towards the accommodating groove 3, and when the movable outer barrel 5 is positioned closest to the accommodating groove 3, the plurality of coil springs 10 are also in a rolling state, namely the plurality of coil springs 10 still can provide certain elastic force to enable the movable outer barrel 5 to have a trend of moving towards the accommodating groove 3, so that the plurality of L-shaped carrier plates 7 can compress the life buoy 1 in the accommodating groove 3.
In order to connect the hand piece and the movable outer cylinder 5, the following features are specifically provided:
the hand pulling piece is an outer sealing cover 30 coaxially and movably arranged at one end of the movable outer cylinder 5 far away from the accommodating groove 3, a handle part 31 for holding is formed at one end of the outer sealing cover 30 far away from the accommodating groove 3, and a limiting gland 32 for preventing the outer sealing cover 30 from moving along the axial direction of the movable outer cylinder 5 is coaxially and fixedly connected at the end of the movable outer cylinder 5.
The outer sealing cover 30 and the limiting gland 32 are in structures shown in fig. 7 and 11, the inner ring of the limiting gland 32 and the outer ring of the outer sealing cover 30 are formed with mutually matched step structures, the outer sealing cover 30 can be prevented from moving along the axial direction of the movable outer cylinder 5 through the matching of the two step mechanisms, namely, the outer sealing cover 30 is ensured to move along the axial direction of the fixed bottom cylinder 4 and then can drive the movable outer cylinder 5 to move together, meanwhile, when the limiting clamping plate 11 moves to one end of the limiting clamping groove 12 far away from the accommodating groove 3, the outer sealing plate can also rotate relative to the fixed bottom cylinder 4 and the movable outer cylinder 5, so that the outer sealing cover 30 and the movable outer cylinder 5 are prevented from moving downwards under the action of the plurality of coil springs 10, and then a user can take out the life buoy 1 conveniently.
In order to connect the movable outer cylinder 5 and the fixed bottom cylinder 4, the following features are specifically provided:
the movable outer cylinder 5 is arranged on the fixed bottom cylinder 4 in a coaxial sliding sleeve way far away from the accommodating groove 3, two symmetrically arranged axial sliding grooves 33 are formed on the outer wall of one end of the fixed bottom cylinder 4 close to the accommodating groove 3, two axial protruding blocks 34 which are respectively arranged in the two axial sliding grooves 33 in a sliding way along the axial direction of the movable outer cylinder 5 are formed at one end of the movable outer cylinder 5 close to the accommodating groove 3, a middle through groove 35 is further formed on each axial protruding block 34, two symmetrically arranged radial connecting shafts 36 are fixedly connected to the groove wall of one end of each axial sliding groove 33 far away from the accommodating groove 3, a pulley 37 is axially arranged on each radial connecting shaft 36, the pulleys 37 are respectively matched with one end of the middle through groove 35 close to and far away from the accommodating groove 3 and limit the translation of the movable outer cylinder 5 on the fixed bottom cylinder 4, so that the pulleys 37 move from the limit position above the middle through groove 35 to the limit position below the middle through groove 35, namely, the corresponding gears 8 move from the limit position above the middle through grooves 9 to the limit position below the racks 9, the length of the middle through grooves 35 along the vertical direction is reasonably designed, and the right design of the length of the two synchronous wheels 21 can drive the gears to the limit position of the highest gear 8 to the limit position which can rotate right at the limit position of the right side of the top of the gear 9;
for the matching stroke of the pulley 37 and the middle through groove 35 and the transmission ratio between the two synchronizing wheels 21, one embodiment is given herein, but it should be noted that the practical embodiment includes, but is not limited to, the first embodiment, in which the pulley 37 can rotate two turns, namely seven hundred twenty degrees, just after moving from the uppermost limit position of the middle through groove 35 to the lowermost limit position of the middle through groove 35, and the transmission ratio between the two synchronizing wheels 21 is preset to be 1:8, namely, the diameter of the synchronizing wheel 21 at the pulley 37 is one eighth of the diameter of the synchronizing wheel 21 at the first outer cylinder 16, so that when the pulley 37 rotates seven hundred twenty degrees, the first outer cylinder 16 can be driven to rotate ninety degrees, namely, the ninety degrees is driven to rotate the ninety degrees.
The axial chute 33, the axial protruding block 34 and the middle through groove 35 are in the structure shown in fig. 9, the axial protruding block 34 and the axial chute 33 are matched to prevent the movable outer barrel 5 from rotating on the fixed bottom barrel 4, so that a plurality of L-shaped carrier plates 7 are guaranteed not to rotate and wear the life buoy 1, the pulley 37 can be in rolling fit with the corresponding side of the middle through groove 35, and meanwhile the pulley 37 is in contact with one end of the middle through groove 35, which is close to and far away from the accommodating groove 3, when the pulley 37 is in contact with one end of the middle through groove 35, namely, the state that the movable outer barrel 5 is closest to and far away from the accommodating groove 3.
Working principle: the bearing base 2 can be fixedly connected with the ship in a horizontal state, a vertical state or an inclined state, only the containing groove 3 is required to be ensured not to face downwards, the life buoy 1 can be prevented from being erected on the L-shaped carrier plates 7 by means of dead weight, the life buoy 1 can be made of hard materials or soft materials, when the fixing device is used, the movable outer cylinder 5 is pulled out firstly through the hand pulling piece, the movable outer cylinder 5 is in a state of being furthest away from the fixed bottom cylinder 4, the hand pulling piece is rotated, the limiting clamping plates 11 are clamped on the limiting clamping grooves 12, the movable outer cylinder 5 is prevented from automatically moving back to the containing groove 3 under the action of the coil springs 10, then the life buoy 1 is placed on the L-shaped carrier plates 7 (namely, the state shown in figure 1), the limiting clamping plates 11 are not clamped any more by reversely rotating the hand pulling piece, the plurality of coil springs 10 drive the movable outer cylinder 5 to translate towards the accommodating groove 3, meanwhile, the gear 8 and the rack 9 act and then drive the corresponding L-shaped carrier plates 7 to rotate ninety degrees, the plurality of L-shaped carrier plates 7 press the life buoy 1 in the accommodating groove 3 after overturning ninety degrees at the same time (namely, the state is shown in figure 2), in the overturning process, before the plate surface of the L-shaped carrier plates 7 in the vertical state in figure 1 is not overturned to be parallel to the axis of the movable outer cylinder 5, the life buoy 1 can be ensured not to be separated from the plurality of L-shaped carrier plates 7 or fall into the accommodating groove 3 in advance through the gravity and rigidity of the life buoy 1 and the limit of the L-shaped carrier plates 7 on the life buoy 1, and when the plate surface of the L-shaped carrier plates 7 in the vertical state in figure 1 is overturned to be parallel to the axis of the movable outer cylinder 5, the life buoy 1 can be just driven to fall into the accommodating groove 3 and be tightly attached to the accommodating groove 3, bear base 2 and holding tank 3 and be the structure shown in fig. 1 and 4, spacing cardboard 11 and spacing draw-in groove 12 are the structure shown in fig. 9 and 11, when movable urceolus 5 is not in the state of keeping away from holding tank 3 the most, spacing cardboard 11 can't rotate in spacing draw-in groove 12, spacing draw-in groove 12 keeps away from holding tank 3 one end and is equipped with one section and supplies spacing cardboard 11 to be close to holding tank 3 one end rotatory certain angle's circular arc groove structure, with spacing cardboard 11 screw in this circular arc groove structure can prevent spacing cardboard 11 to holding tank 3 direction motion.
The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. An adjustable lifebuoy fixation device for a watercraft, comprising:
the bearing base (2) is fixedly arranged on the ship, and a containing groove (3) for placing the life buoy (1) is formed on the bearing base;
a fixed bottom cylinder (4) fixedly arranged at the center of the accommodating groove (3);
the movable outer cylinder (5) is coaxially and movably arranged on the fixed bottom cylinder (4), a hand pulling piece for pulling the movable outer cylinder (5) to translate along the axis of the fixed bottom cylinder (4) and away from the accommodating groove (3) is arranged on the movable outer cylinder, and the hand pulling piece can be rotationally connected with the movable outer cylinder (5);
the device comprises a plurality of retracting mechanisms (6) which are uniformly distributed on a movable outer cylinder (5) along the circumferential direction, wherein each retracting mechanism (6) comprises an outer extension part fixedly connected with the movable outer cylinder (5), an L-shaped carrier plate (7) hinged to one end of the outer extension part far away from the axis of the movable outer cylinder (5), a gear (8) which is arranged on the movable outer cylinder (5) in a shaft connection manner and is in transmission connection with a rotating shaft of the L-shaped carrier plate (7), and a rack (9) fixedly connected with a fixed bottom cylinder (4) and meshed with the gear (8), and the gear (8) is used for driving the L-shaped carrier plate (7) to rotate ninety degrees when the movable outer cylinder (5) moves from a state closest to a containing groove (3) to a state farthest from the containing groove (3);
when the movable outer cylinder (5) is farthest from the accommodating groove (3), the life buoy (1) is erected on the plurality of L-shaped carrier plates (7), and when the movable outer cylinder (5) is closest to the accommodating groove (3), the life buoy (1) is pressed in the accommodating groove (3) by the plurality of L-shaped carrier plates (7);
wherein, be provided with a plurality of between movable urceolus (5) and the fixed end section of thick bamboo (4) and be used for drawing movable urceolus (5) to wind spring (10) of holding tank (3), be provided with spacing cardboard (11) and spacing draw-in groove (12) of a plurality of one-to-one on hand pulling piece and the fixed end section of thick bamboo (4) respectively, hand pulling piece can rotate and make the chucking of a plurality of spacing cardboard (11) one-to-one in a plurality of spacing draw-in groove (12) after holding tank (3) is kept away from to movable urceolus (5).
2. The adjustable life buoy fixing device for the ship according to claim 1, wherein the outer extending part is a U-shaped plate (13) with a closed end fixedly connected with the outer wall of the movable outer cylinder (5), the L-shaped carrier plate (7) comprises two abnormal plates (14) which are perpendicular to each other and are hinged to the opening end of the U-shaped plate (13), and one end, close to the U-shaped plate (13), of the abnormal plates (14) is provided with a Z-shaped bending structure for preventing the hinged end of the abnormal plates from collision with the life buoy (1).
3. An adjustable life buoy fixing device for ships according to claim 2, characterized in that the opening end of the U-shaped plate (13) is provided with a first inner shaft (15), the first inner shaft (15) is coaxially and axially provided with a first outer cylinder (16) with a polygonal prism structure, one end, close to the U-shaped plate (13), of each special-shaped plate (14) is fixedly sleeved on the first outer cylinder (16), and the gear (8) is in transmission connection with the first outer cylinder (16).
4. The adjustable life buoy fixing device for the ship according to claim 3, wherein a plurality of connecting through grooves (17) for connecting a plurality of gears (8) in a one-to-one correspondence manner are formed in the wall of the movable outer cylinder (5), a second inner shaft (18) is fixedly connected to the inner wall of the connecting through groove (17), a second outer cylinder (19) is coaxially connected to the second inner shaft (18) in a shaft connection manner, the gears (8) are fixedly sleeved on the second outer cylinder (19), a plurality of long sinking grooves (20) which correspond to a plurality of racks (9) one by one are formed in the outer wall of the fixed bottom cylinder (4), the racks (9) are fixedly arranged in the long sinking grooves (20) and the length direction of the racks (9) is parallel to the axis of the fixed bottom cylinder (4), synchronous wheels (21) are fixedly sleeved on the first outer cylinder (16) and the second outer cylinder (19), and the two synchronous wheels (21) are connected in a transmission manner through a synchronous belt (22).
5. The adjustable life buoy fixing device for the ship according to claim 4, wherein two adjusting sliding grooves (23) which are respectively used for enabling two ends of the first inner shaft (15) to translate along the length direction of the U-shaped plate (13) are formed at the opening end of the U-shaped plate (13), two fixing blocks (24) which respectively correspond to the two adjusting sliding grooves (23) are fixedly connected to the opening end of the U-shaped plate (13), an adjusting screw (25) with the axis direction parallel to the length direction of the U-shaped plate (13) is connected to each fixing block (24) in a threaded mode, external threads are not formed at one end, close to the first inner shaft (15), of the adjusting screw (25), and cylindrical sinking grooves which use structures of the corresponding ends of the adjusting screw (25) are formed at two ends of the first inner shaft (15).
6. The adjustable life buoy fixing device for the ship according to claim 1, wherein a plurality of first axial sinking grooves (26) which correspond to a plurality of coil springs (10) one by one are formed in the inner wall of one end of the movable outer cylinder (5) away from the accommodating groove (3), each coil spring (10) is arranged at one end, which corresponds to the first axial sinking groove (26), close to the accommodating groove (3), of the movable outer cylinder (5), a plurality of second axial sinking grooves (27) which correspond to a plurality of coil springs (10) one by one are formed in the outer wall of one end, which is far away from the accommodating groove (3), of the fixed bottom cylinder (4), two screw holes (28) which are used for fixedly connecting with the outer ends of the coil springs (10) are formed in one end, close to the accommodating groove (3), the outer ends of the coil springs (10) extend out of the first axial sinking grooves (26) and extend into the two screw holes (28) towards the direction of the accommodating groove (3), and the first axial sinking grooves (26) are further formed at one end, which is close to the accommodating groove (3), of the second axial sinking grooves (26) are not connected with the first axial sinking grooves (26) and are further formed in one end, which the second axial sinking grooves (27) are connected with the two screw holes (29) which are used for avoiding the two coil springs (28).
7. The adjustable life buoy fixing device for the ship according to claim 1, wherein the hand pulling piece is an outer sealing cover (30) coaxially and movably arranged at one end of the movable outer cylinder (5) far away from the accommodating groove (3), a handle portion (31) for holding is formed at one end of the outer sealing cover (30) far away from the accommodating groove (3), and a limiting pressing cover (32) for preventing the outer sealing cover (30) from axially moving along the movable outer cylinder (5) is coaxially and fixedly connected at the end of the movable outer cylinder (5).
8. The adjustable life buoy fixing device for ships according to claim 1, wherein one end of the movable outer cylinder (5) far away from the accommodating groove (3) is coaxially sleeved on the fixed bottom cylinder (4) in a sliding manner, two symmetrically arranged axial sliding grooves (33) are formed in the outer wall of one end of the fixed bottom cylinder (4) close to the accommodating groove (3), two axial protruding blocks (34) which are respectively arranged in the two axial sliding grooves (33) in a sliding manner along the axial direction are formed at one end of the movable outer cylinder (5) close to the accommodating groove (3), a middle through groove (35) is further formed in each axial protruding block (34), two symmetrically arranged radial connecting shafts (36) are fixedly connected to the groove wall of one end, far away from the accommodating groove (3), of each axial sliding groove (33), pulleys (37) are respectively arranged on the radial connecting shafts (36) in a shaft connection mode, and are respectively matched with one end, close to and far away from the accommodating groove (3), of the middle through groove (35), and the movable outer cylinder (5) is limited in translation on the fixed bottom cylinder (4).
CN202310511212.5A 2023-05-09 2023-05-09 Adjustable life buoy fixing device for ship Active CN116215805B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241550A (en) * 1967-12-09 1971-08-04 Husbands Shipyards Ltd Cradle device for a life raft or dinghy
GB2300874A (en) * 1995-04-06 1996-11-20 Cosalt Plc Release units
CN206856960U (en) * 2017-06-30 2018-01-09 舟山君耀科技发展有限公司 A kind of ship lifebuoy fixing device
CN108583821A (en) * 2018-06-07 2018-09-28 温州思林工业设计有限公司 A kind of High-efficient life buoy fixing device and its application method
CN108860518A (en) * 2018-06-07 2018-11-23 温州林信科技有限公司 A kind of fixed device of modified lifebuoy and its application method
CN108860517A (en) * 2018-05-05 2018-11-23 周琼 A kind of adjustable ship fixed device used for life buoy
CN217436028U (en) * 2022-05-31 2022-09-16 广州众吉鑫船舶技术有限公司 Device capable of automatically releasing ship lifesaving equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241550A (en) * 1967-12-09 1971-08-04 Husbands Shipyards Ltd Cradle device for a life raft or dinghy
GB2300874A (en) * 1995-04-06 1996-11-20 Cosalt Plc Release units
CN206856960U (en) * 2017-06-30 2018-01-09 舟山君耀科技发展有限公司 A kind of ship lifebuoy fixing device
CN108860517A (en) * 2018-05-05 2018-11-23 周琼 A kind of adjustable ship fixed device used for life buoy
CN108583821A (en) * 2018-06-07 2018-09-28 温州思林工业设计有限公司 A kind of High-efficient life buoy fixing device and its application method
CN108860518A (en) * 2018-06-07 2018-11-23 温州林信科技有限公司 A kind of fixed device of modified lifebuoy and its application method
CN217436028U (en) * 2022-05-31 2022-09-16 广州众吉鑫船舶技术有限公司 Device capable of automatically releasing ship lifesaving equipment

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