CN108248803B - Propelling device capable of absorbing water from two sides - Google Patents
Propelling device capable of absorbing water from two sides Download PDFInfo
- Publication number
- CN108248803B CN108248803B CN201810201110.2A CN201810201110A CN108248803B CN 108248803 B CN108248803 B CN 108248803B CN 201810201110 A CN201810201110 A CN 201810201110A CN 108248803 B CN108248803 B CN 108248803B
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- water
- propeller
- shell
- flexible pipe
- arc
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 269
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 230000008093 supporting effect Effects 0.000 claims description 32
- 239000007921 spray Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 description 7
- 229920001296 polysiloxane Polymers 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 102000010637 Aquaporins Human genes 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 206010013647 Drowning Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, 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
- B63C9/00—Life-saving in water
- B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, 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
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/087—Body suits, i.e. substantially covering the user's body ; Immersion suits, i.e. substantially completely covering the user
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, 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
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/13—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a propulsion device capable of absorbing water on two sides, which comprises a shell and a propeller, wherein an accommodating cabin for accommodating the propeller is formed in the shell, a water inlet communicated with the accommodating cabin is formed in the side surface of one end of the shell along the axis direction of the shell, the water inlets are distributed on two opposite sides of the shell, a water outlet communicated with the accommodating cabin is formed in the other end of the shell along the axis direction of the shell, and a connecting part is arranged at the water outlet; the water sucking mouth of the propeller faces the water inlet, the water spraying mouth of the propeller faces the water outlet, a flexible pipe is arranged at the water spraying mouth, the flexible pipe is connected with the water outlet through a connecting part, and the propeller can perform overturning motion along with the flexible pipe in the accommodating cabin. The propeller disclosed by the invention can absorb water from two sides, the flexible pipe can drive the propeller to flexibly strain without clamping stagnation in the bumping and reversing process, the water absorption rate is high, the power is sufficient, the propulsion efficiency of the propulsion device is effectively improved, the stability of the whole structure of the propulsion device is good, the durability is high, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of life-saving devices, in particular to a propulsion device capable of absorbing water from two sides.
Background
A propeller is a device that converts any form of energy into mechanical energy, producing thrust by rotating blades or jets of air (water). Can be used to drive vehicles forward or as a source of power for other devices such as generators. The propeller is widely applied in the fields of ships, aviation and the like, is mainly used for pushing ships and boats to advance, and has various types including propeller propellers, electric ship propellers, aviation propellers, water jet propellers and the like, and each has special purposes and characteristics.
Today, vessels are sailing with different kinds of propellers and are equipped with life-saving equipment, such as life-buoy, life-jacket and life raft etc., in order to timely rescue the person falling into water. However, the existing life buoy needs to be manually or mechanically thrown to the side of the person falling into the water for life saving, if an unexpected drowning accident occurs, the life buoy can be thrown to the side of the person falling into the water only when the person falling into the water is very close to the rescue person, otherwise, the life buoy is difficult to accurately throw to the position of the person falling into the water; on the other hand, even if the rescue boat is driven to a place close to a person falling into water to throw the life buoy, the rescue boat is limited by environmental factors, and if the on-site environment is unfavorable for navigation of the rescue boat and accurate throwing of the life buoy, rescue work is greatly affected; when the number of the people falling into the water is large, the rescue ships are required to be driven to the sides of the people falling into the water in sequence to rescue one by one, the rescue process is slow, the life safety of the people falling into the water is seriously affected, and a large amount of rescue ships and manpower are required to be used. If the life buoy can navigate like a ship, the life buoy automatically arrives at the side of a person falling into water, and has strong navigation capability and low failure rate, the rescue efficiency can be greatly improved, the life safety of the person falling into water is ensured, and unnecessary sacrifice of the person actively falling into water for rescue can be avoided.
In the prior art, a few life-saving devices with propulsion devices exist, but most of the life-saving devices are complex in structure, the life-saving devices need to bear the pressure of a person falling into water and the impact force of stormy waves in water, in order to ensure continuous sailing, the propellers need to continuously absorb water and discharge water, but the existing structure is blocked in the bumping and overturning process, is not flexible enough, and the propellers sway along with the impact force in an overturning manner, so that the propellers are easy to damage, so that the propellers cannot continuously absorb water and discharge water, and the propulsion efficiency and the life-saving speed are reduced.
In view of the foregoing, there is a need for a propulsion device for life-saving equipment, which can be adapted to different weather conditions to continuously navigate on the water surface, reach the person falling into water, and timely rescue the person falling into water.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides the propulsion device which is used for life-saving equipment and can absorb water on two sides.
In order to solve the technical problems, the invention adopts the following technical scheme: the propulsion device capable of absorbing water on two sides comprises a shell and a propeller, wherein an accommodating cabin for accommodating the propeller is formed in the shell, a water inlet communicated with the accommodating cabin is formed in the surface of one end of the shell along the axis direction of the shell, the water inlets are distributed on two opposite sides of the shell, a water outlet communicated with the accommodating cabin is formed in the other end of the shell along the axis direction of the shell, and a connecting part is arranged at the water outlet;
the water suction port of the propeller faces the water inlet, the water spray port of the propeller faces the water outlet, a flexible pipe is arranged at the water spray port, the flexible pipe is connected with the water outlet through the connecting part, and the propeller can do overturning motion in the accommodating cabin along with the flexible pipe.
Specifically, the flexible pipe is the silicone tube, and the silicone tube environmental protection and bending property are good, and the silicone tube can not harden in cold water to can not influence the upset from top to bottom of propeller.
By adopting the structure, along with the jolt and overturn of the propulsion device, the propeller can rely on self gravity to do overturn motion along with the flexible pipe, and the jolt and overturn process the flexible pipe can be flexibly strained and not blocked, the water inlets are distributed on the two opposite sides of the shell, so that the water inlets can always absorb water from the water inlets towards the water surface, namely, can absorb water on two sides, the water spray port sprays water to generate propelling force, and the effect of weather, wind waves and the overturn degree of the propulsion device is avoided, thereby effectively improving the working efficiency and the practicability of the propeller.
Further, a supporting device for supporting the propeller is arranged in the accommodating cabin, a rotating device matched with the supporting device is arranged on the outer surface of the propeller, and the supporting device can support the propeller to perform overturning motion along with the flexible pipe in the accommodating cabin.
Specifically, a cover plate is arranged at one end of the shell along the axial direction of the shell, and the water outlet is arranged on the surface of the cover plate; the number of the supporting devices is at least two, the two supporting devices are oppositely arranged at one end, close to the cover plate, in the accommodating cabin, each supporting device comprises a first limiting protrusion and a second limiting protrusion, each first limiting protrusion is arranged on the inner side wall of the corresponding accommodating cabin, and each first limiting protrusion is provided with a first arc-shaped groove; the second limiting protrusion is arranged on the inner wall of the cover plate, a second arc-shaped groove is arranged on the second limiting protrusion, an opening of the second arc-shaped groove is opposite to an opening of the first arc-shaped groove, and the second arc-shaped groove and the first arc-shaped groove are matched to form a limiting hole;
the number of the rotating devices is at least two, the two rotating devices are oppositely arranged on the outer surface of the propeller, each rotating device comprises a connecting arm and a rotating shaft, the length direction of each connecting arm is consistent with the axis direction of the propeller, one end of each connecting arm is connected with the outer wall of the propeller, the other end of each connecting arm is perpendicular to the rotating shaft and connected with one end of the rotating shaft, the other end of each rotating shaft stretches into the corresponding limiting hole, and the rotating shaft can rotate in the corresponding limiting hole along with the overturning of the propeller.
Preferably, a sub-protrusion is arranged on the surface of the second limiting protrusion, the second arc-shaped groove is formed on the surface of the sub-protrusion, and the sub-protrusion extends into the first arc-shaped groove and is in interference fit with the first arc-shaped groove, so that the first arc-shaped groove and the second arc-shaped groove are matched to form the limiting hole.
By adopting the structure, the supporting device is matched with the rotating device, the first limiting bulge and the second limiting bulge are matched to form the limiting hole, and the rotating shaft of the rotating device stretches into the limiting hole and rotates along with the turning of the propeller, so that the propeller can stably and do turning motion along with the flexible pipe according to a certain track, the propeller is prevented from moving in the direction opposite to the water outlet due to the water spraying reaction force, the flexible pipe is stretched, and the situation that the flexible pipe is damaged due to overlarge stress is effectively avoided; and strutting arrangement includes first spacing arch with spacing protruding two parts of second, first spacing arch with spacing arch of second supports jointly the propeller is in rotatory in the accommodation cabin, improved the job stabilization nature of propeller, and two bearing structure compare with single bearing structure, effectively reduced single bearing structure's pressure and wearing and tearing degree, improved advancing device overall structure's stability and reliability for advancing device is durable, has prolonged life.
Preferably, the cover plate is detachably connected with the housing, when the cover plate is covered, the first limiting protrusion is matched with the second limiting protrusion, so that the first arc-shaped groove is matched with the second arc-shaped groove to form a limiting hole, and the position of the rotating shaft is fixed, so that the rotating shaft rotates in the limiting hole. In the assembly process of the propelling device, the propeller is placed in the accommodating cabin, meanwhile, the rotating shaft stretches into the first arc-shaped groove, then the cover plate is covered to the end part of the shell, the second limiting protrusion is matched with the first limiting protrusion, so that the second arc-shaped groove is matched with the first arc-shaped groove to form a limiting hole for fixing the position of the rotating shaft, and the assembly is completed. The operation is simple and quick, the damage to the propelling device in the assembly process is effectively avoided, and the follow-up inspection and maintenance are convenient.
Preferably, the cover plate and the shell are connected in a threaded or snap connection mode.
Preferably, the first limiting protrusion and the inner side wall of the accommodating cabin are connected in an integrated mode or in a welded mode, and the second limiting protrusion and the inner wall of the cover plate are connected in an integrated mode or in a welded mode.
Preferably, the rotating device and the outer wall of the propeller are connected in an integrated mode or welded.
Further, one end of the shell, which is close to the water inlet, is inwards recessed to form a water guide structure, an included angle between the water guide structure and the plane where the water inlet is located is an acute angle, the water guide structure narrows a water flow channel, water flows from the water inlet to the water suction port under the action of the water guide structure after entering, the water flow speed is improved, the water suction rate and the water suction capacity of the propeller are increased, and the power performance of the propulsion device is improved.
Preferably, a buoyancy cabin is arranged in the shell, the buoyancy cabin is symmetrically arranged on two sides of the accommodating cabin along the axis direction of the shell, and a sealing plate is arranged between the buoyancy cabin and the accommodating cabin. The sealing plate is used for sealing the buoyancy cabin, preventing water in the accommodating cabin from flowing into the buoyancy cabin, reducing the weight of the propulsion device and increasing the buoyancy of the propulsion device; when the propulsion device overturns along with the life-saving equipment on the water surface, the sealing plate can also limit the position of the propeller, so that the propeller is prevented from shaking violently in the accommodating cabin, the propeller is protected from being damaged, the stability of the propeller is enhanced, and the service life of the life-saving equipment is prolonged.
Specifically, the propeller comprises a water suction pipe, a propeller arranged in the water suction pipe and a driving motor for driving the propeller to rotate; one end of the water suction pipe is the water suction port, the other end of the water suction pipe is the water spray port, a flexible pipe is arranged at the water spray port, and the flexible pipe is connected with the water outlet through the connecting part; the output shaft of the driving motor is connected with the propeller, and the propeller faces the water suction port.
Further, the water suction pipe comprises a water suction end provided with a water suction port, a straight pipe provided with a driving motor and a water spraying end provided with a water spray port, one end of the straight pipe is connected with the water suction end, the other end of the straight pipe is connected with the water spraying end, and the diameter of the straight pipe is larger than that of the water suction end and that of the water spraying end.
The water suction pipe is a variable-section pipeline, water is sucked from the water suction port, passes through the straight pipe and is sprayed out from the water spraying port, the flow velocity of the water in the water suction pipe is quickened through the change of the diameter of the section, and when the water is sprayed out from the water spraying port, larger thrust can be generated, so that the power performance of the life-saving equipment is further improved.
Specifically, one end of the flexible pipe is connected with the water spraying port by adopting a secondary injection molding technology, the other end of the flexible pipe is connected with the connecting part, and the connecting mode of the flexible pipe and the connecting part is any one of welding connection, flange connection, buckle connection, clamp connection and threaded connection.
Preferably, the water inlet is of a radial grid structure, the resistance of the grid structure to water flow is small, foreign matters can be effectively prevented from entering the water suction pipe, and damage to the propeller and the driving motor is avoided.
The propulsion device is combined with the water lifesaving equipment to provide power for the lifesaving equipment, the propulsion device is not influenced by the turnover degree, weather and stormy waves of the lifesaving equipment, can continuously absorb water and spray water and provide power, has high working efficiency and good stability, so that the lifesaving equipment can adapt to different weather conditions to rescue, has high rescue efficiency and good power performance and stability, and ensures the life safety of people falling into water.
The invention has the following beneficial effects:
1. according to the propulsion device capable of absorbing water from two sides, the propeller can turn over along with the flexible pipe by means of self gravity, and the flexible pipe can flexibly strain and not be blocked in the bumping and reversing process, so that the water absorption port always absorbs water from the water inlet towards the water surface, the water spraying port sprays water to generate propulsion force, the propulsion device is not influenced by weather, wind waves and the turning degree of the propulsion device, and the working efficiency and the practicability of the propeller are effectively improved.
2. The invention relates to a propulsion device capable of absorbing water from two sides, which comprises a supporting device for supporting a propeller and a rotating device rotating along with the propeller, wherein a rotating shaft of the rotating device stretches into a limiting hole of the supporting device and rotates along with the turnover of the propeller, so that the propeller can stably and do turnover motion according to a certain track, the situation that a flexible pipe is damaged due to overlarge stress is effectively avoided, and the supporting device comprises a first limiting bulge and a second limiting bulge, so that the pressure and the abrasion degree of a single supporting structure are effectively reduced, the stability and the reliability of the whole structure of the propulsion device are improved, the propulsion device is firm and durable, and the service life is prolonged.
3. According to the propulsion device capable of absorbing water from two sides, the cover plate is detachably connected with the shell, so that the assembly operation of the propeller and the shell is simple and quick, the damage to the propulsion device in the assembly process is effectively avoided, and the follow-up inspection and maintenance are convenient.
4. The propulsion device capable of absorbing water on two sides can be combined with water lifesaving equipment to provide power for the lifesaving equipment, is not influenced by the turnover degree, weather and wind waves of the lifesaving equipment, can continuously absorb water, spray water and provide power, has high working efficiency and good stability, ensures that the lifesaving equipment can adapt to different weather conditions to rescue, has high rescue efficiency and good power performance and stability, and ensures the life safety of people falling into water.
5. The propulsion device capable of absorbing water on two sides comprises the water guide structure and the buoyancy cabin, wherein the water guide structure can increase the water absorption rate and the water absorption capacity of the propeller, and the buoyancy cabin can reduce the weight of the propulsion device and increase the buoyancy of the propulsion device, so that the power performance of the propulsion device is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a propulsion device capable of double-sided water absorption according to the present invention;
FIG. 2 is a cross-sectional view of a propulsion device capable of double sided water absorption in accordance with the present invention;
FIG. 3 is a schematic front view of a propulsion device capable of double-sided water absorption according to the present invention;
FIG. 4 is a schematic top view of a propulsion device capable of double sided water absorption according to the present invention;
FIG. 5 is a schematic view of the suction tube structure of the propulsion device capable of double-sided suction according to the present invention;
FIG. 6 is a schematic diagram of the cover plate structure of the propulsion device capable of absorbing water from both sides according to the invention;
FIG. 7 is a schematic view of an assembled structure of the supporting device and the rotating device of the present invention;
fig. 8 is a schematic view of a life buoy with a propulsion device according to a third embodiment of the invention;
fig. 9 is a schematic view of a life saving apparatus with a propulsion device in a fourth embodiment of the present invention.
Wherein, the reference numerals in the figures correspond to: 1-shell, 11-accommodation cabin, 12-buoyancy cabin, 13-sealing plate, 14-water guiding structure, 2-cover plate, 3-water inlet, 4-water outlet, 5-water suction pipe, 51-water suction port, 52-straight pipe, 53-water spray port, 54-flexible pipe, 6-propeller, 7-driving motor, 81-first limit protrusion, 82-first arc-shaped groove, 83-second limit protrusion, 84-sub protrusion, 85-second arc-shaped groove, 91-connecting arm, 92-rotation shaft, 10-life buoy, 101-handle, 102-life saving equipment and 103-wing plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1 and 2, the propelling device capable of absorbing water from two sides of the present invention comprises a casing 1 and a propeller, wherein a containing cabin 11 for containing the propeller is formed in the casing 1, a water inlet 3 communicated with the containing cabin 11 is arranged on the surface of one end of the casing 1 along the axis direction, the water inlets 3 are distributed on two opposite sides of the casing 1, a cover plate 2 is arranged on the other end of the casing 1 along the axis direction, a water outlet 4 communicated with the containing cabin 11 is arranged on the surface of the cover plate 2, and a connecting part is arranged at the water outlet 4; the propeller is arranged in the accommodating cabin 11, the water suction port 51 of the propeller faces the water inlet 3, the water spray port 53 of the propeller faces the water outlet 4, a flexible pipe 54 is arranged at the water spray port 53, the flexible pipe 54 is connected with the water outlet 4 through the connecting part, and the propeller can do overturning motion along with the flexible pipe 54 in the accommodating cabin 11.
The flexible tube 54 is a silicone tube, the silicone tube is environment-friendly and has good bending performance, and the silicone tube cannot be hardened in cold water, so that the up-and-down overturning of the propeller cannot be affected. One end of the flexible pipe 54 is connected with the water spraying port 53 by adopting a secondary injection molding technology, the other end of the flexible pipe 54 is connected with a connecting portion at the water outlet 4, and the connecting mode of the flexible pipe 54 and the connecting portion is any one of welding connection, flange connection, buckle connection, clamp connection and threaded connection, preferably, in the embodiment, the connecting mode of the flexible pipe 54 and the connecting portion is threaded connection.
By adopting the structure, along with the jolt and overturn of the propulsion device, the propeller can rely on self gravity to do overturn motion along with the flexible pipe 54, and the flexible pipe 54 can flexibly strain and not be blocked in the jolt and overturn process, the water inlets 3 are distributed on two opposite sides of the shell 1, so that the water inlets 51 can always absorb water from the water inlets 3 towards the water surface, namely, can absorb water on two sides, the water spray ports 53 spray water to generate propulsion force, and the influence of weather, wind waves and the overturn degree of the propulsion device is avoided, and the working efficiency and the practicability of the propeller are effectively improved.
As shown in fig. 2 and 5, the propeller includes a suction pipe 5, a propeller 6 provided in the suction pipe 5, and a driving motor 7 for driving the propeller 6 to rotate; the water suction pipe 5 comprises a water suction end provided with a water suction port 51, a straight pipe 52 provided with a driving motor 7 and a water spraying end provided with a water spraying port 53, one end of the straight pipe 52 is connected with the water suction end, the other end of the straight pipe 52 is connected with the water spraying end, and the diameter of the straight pipe 52 is larger than that of the water suction end and that of the water spraying end. The water suction port 51 faces the water inlet 3, the water spray port 53 faces the water outlet 4, the water spray port 53 is provided with the flexible pipe 54, the water spray port 53 is connected with the water outlet 4 through the flexible pipe 54, and the propeller can perform overturning motion along with the flexible pipe 54 in the accommodating cabin 11; the output shaft of the driving motor 7 is connected with the propeller 6, and the propeller 6 faces the water suction port 51.
The water suction pipe 5 is a variable cross-section pipeline, water is sucked from the water suction port 51, passes through the straight pipe 52 and is sprayed out from the water spraying port 53, the flow velocity of the water in the water suction pipe 5 is quickened through the change of the cross-section diameter, and when the water is sprayed out from the water spraying port 53, larger thrust can be generated, so that the power performance of the life-saving equipment is further improved.
Preferably, the water inlet 3 is a radial grid structure, the resistance of the grid structure to water flow is small, foreign matters can be effectively prevented from entering the water suction pipe 5, and damage to the propeller 6 and the driving motor 7 is avoided.
As shown in fig. 2, 3, 5, 6 and 7, a supporting device for supporting the propeller is arranged in the accommodating chamber 11, the supporting device can support the propeller to perform overturning motion along with the flexible pipe 54 in the accommodating chamber 11, a rotating device matched with the supporting device is arranged on the outer surface of the propeller, and the propeller can rotate along with the flexible pipe 54 along an arc line P under the supporting action of the supporting device.
The number of the supporting devices is two, the two supporting devices are oppositely arranged at one end, close to the cover plate 2, in the accommodating cabin 11, the supporting devices comprise a first limiting protrusion 81 and a second limiting protrusion 83, the first limiting protrusion 81 is arranged on the inner side wall of the accommodating cabin 11, and a first arc-shaped groove 82 is formed in the first limiting protrusion 81; the second limiting protrusion 83 is disposed on the inner wall of the cover plate 2, a sub-protrusion 84 is disposed on the surface of the second limiting protrusion 83, a second arc-shaped groove 85 is formed on the surface of the sub-protrusion 84, an opening of the second arc-shaped groove 85 is opposite to an opening of the first arc-shaped groove 82, and the sub-protrusion 84 extends into the first arc-shaped groove 82 and is in interference fit with the first arc-shaped groove 82, so that the first arc-shaped groove 82 and the second arc-shaped groove 85 are matched to form a limiting hole;
the number of the rotating devices is two, the two rotating devices are oppositely arranged on the outer surface of the propeller, each rotating device comprises a connecting arm 91 and a rotating shaft 92, the length direction of each connecting arm 91 is consistent with the axis direction of the propeller, one end of each connecting arm 91 is connected with the outer wall of the propeller, the other end of each connecting arm 91 is perpendicular to the corresponding rotating shaft 92 and is connected with one end of the corresponding rotating shaft 92, the other end of the corresponding rotating shaft 92 stretches into the corresponding limiting hole, and the corresponding rotating shaft 92 can rotate along with the overturning of the corresponding propeller in the corresponding limiting hole.
And the cover plate 2 is detachably connected with the shell 1, in the assembling process of the propelling device, the propeller is placed in the accommodating cabin 11, meanwhile, the rotating shaft 92 is placed in the first arc-shaped groove 82, then the cover plate 2 is covered to the end part of the shell 1, the second limiting protrusion 83 is matched with the first limiting protrusion 81, so that the second arc-shaped groove 85 is matched with the first arc-shaped groove 82 to form a limiting hole for fixing the position of the rotating shaft 92, and the assembling is completed. The operation is simple and quick, unnecessary damage to the propelling device in the assembly process is effectively avoided, and the follow-up inspection and maintenance are convenient. Preferably, the connection mode between the cover plate 2 and the housing 1 is a threaded connection or a snap connection, and in this embodiment, the connection mode between the cover plate 2 and the housing 1 is a snap connection.
By adopting the structure, the supporting device is matched with the rotating device, so that the propeller can stably and overturned along with the flexible pipe 54 according to a certain track, the propeller is prevented from moving in the direction opposite to the water outlet 4 due to the water spraying reaction force, the flexible pipe 54 is stretched, and the situation that the flexible pipe 54 is damaged due to overlarge stress is effectively avoided; and strutting arrangement includes first spacing protruding 81 with spacing protruding 83 two parts of second, improved the job stabilization nature of propeller, effectively reduced single bearing structure's pressure and degree of wear have improved strutting arrangement overall structure's stability and reliability for strutting arrangement is durable, has prolonged life.
Preferably, the first limiting protrusion 81 is integrally connected with the inner wall of the accommodating chamber 11, and the second limiting protrusion 83 is integrally connected with the inner wall of the cover plate 2. The rotating device is connected with the outer wall of the propeller in an integrated mode.
As shown in fig. 2 and fig. 3, one end of the housing 1, which is close to the water inlet 3, is recessed inwards to form a water guiding structure 14, the water guiding structure 14 is triangular, an included angle between the water guiding structure 14 and a plane where the water inlet 3 is located is an acute angle, the water guiding structure 14 narrows a water flow channel, water flows from the water inlet 3 to the water absorbing port 51 under the action of the water guiding structure 14, the water flow speed is improved, the water absorbing rate and the water absorbing capacity of the propeller are increased, and the power performance of the propulsion device is improved.
As shown in fig. 3 and 4, a buoyancy chamber 12 is provided in the housing 1, the buoyancy chamber 12 is symmetrically provided on two sides of the accommodating chamber 11 along the axial direction of the housing 1, and a sealing plate 13 is provided between the buoyancy chamber 12 and the accommodating chamber 11. The sealing plate 13 is used for sealing the buoyancy cabin 12, preventing water in the accommodating cabin 11 from flowing into the buoyancy cabin 12, reducing the weight of the propulsion device and increasing the buoyancy of the propulsion device; when the propulsion device jolts and turns over along with the life-saving equipment on the water surface, the sealing plate 13 can also limit the position of the propeller, so that the propeller is prevented from jolt in the accommodating cabin 11, the propeller is protected from being damaged, the stability of the propeller is enhanced, and the service life of the life-saving equipment is prolonged.
The propulsion device is combined with the water lifesaving equipment to provide power for the lifesaving equipment, the propulsion device is not influenced by the turnover degree, weather and stormy waves of the lifesaving equipment, can continuously absorb water and spray water and provide power, has high working efficiency and good stability, so that the lifesaving equipment can adapt to different weather conditions to rescue, has high rescue efficiency and good power performance and stability, and ensures the life safety of people falling into water.
Embodiment two:
the propulsion device (not shown) capable of absorbing water from two sides in this embodiment has a structure substantially the same as that in the first embodiment, and is different in that the rotation device in this embodiment is disposed at a middle position of the outer wall of the propeller, the number of the rotation devices is two, the two rotation devices are disposed at two opposite sides of the propeller, and the rotation device includes a rotation shaft perpendicular to the outer wall of the propeller and extending from the outer wall of the propeller to the direction of the inner wall of the power cabin; the bearing structure of this embodiment is located the intermediate position department of power cabin inner wall, bearing structure's quantity is two, two bearing structure locates the opposite both sides of power cabin, be equipped with on the bearing structure and supply the rotatory commentaries on classics hole of rotation axis. The supporting structure is matched with the rotating device, so that the propeller can rotate in the power cabin according to a certain track.
Embodiment III:
in this embodiment, the propulsion device capable of absorbing water from both sides is used in combination with a life buoy, as shown in fig. 8, the life buoy 10 is U-shaped, two propulsion devices are symmetrically provided at two sides of the U-shape, the two propulsion devices provide power for the life buoy 10, so as to improve the sailing capability of the life buoy, and the sailing direction of the life buoy can be changed by adjusting the rotation speeds of the propellers of the two propulsion devices, so that the sailing direction of the life buoy is easier to control, and the running speed is higher. The top surface and the bottom surface of the U-shaped both sides of the life buoy 10 are both provided with the water inlet 3 for sucking water of the propeller, the water falling surface is not required to be avoided when the life buoy 10 is thrown, the propeller can absorb water, drain water and provide power, the influence of weather, wind waves and the turnover degree of the life buoy 10 is avoided, and the working efficiency and the practicability of the life buoy 10 are effectively improved.
The life buoy 10 further comprises a remote controller for controlling the propeller to work, the remote controller can remotely control the propeller to work, so that the life buoy 10 moves to the side of a person falling into water, the person falling into water can lie prone to the U-shaped bending part of the life buoy 10, the surface of the U-shaped bending part of the life buoy 10 is provided with a handle 101 for holding, and the person falling into water can be conveniently gripped when lying prone to the U-shaped bending part of the life buoy 10, so that the person falling into water is effectively prevented from loosening the life buoy 10 due to physical weakness.
Embodiment four:
in this embodiment, the propulsion device capable of absorbing water from two sides is used in combination with a lifesaving device, as shown in fig. 9, the lifesaving device 102 is cylindrical, the diameter of the lifesaving device 102 decreases from the middle to two ends in sequence, one end is in a round head shape capable of reducing water resistance, the other end is provided with one propulsion device, the top surface and the bottom surface at the middle position of the lifesaving device 102 are both provided with water inlets 3 for the propeller to absorb water, two opposite sides of the lifesaving device 102 are respectively provided with wing plates 103 parallel to the water flow direction, the wing plates 103 are streamline, the wing plates 103 can increase the buoyancy of the lifesaving device, reduce the water resistance, and preferably, the wing plates 103 are made of elastic materials, and have long service life and are foldable and can not injure a user by mistake. The lifesaving device 102 can be used for lifesaving and playing in water entertainment places, can also be used for positioning cruising, transporting materials, lifesaving equipment and the like, has strong practicability, and can be suitable for rescue activities under severe weather and long-distance conditions.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (6)
1. A propulsion unit that can two-sided water absorption, its characterized in that: the propelling device at least comprises a shell (1) and a propeller, wherein an accommodating cabin (11) for accommodating the propeller is formed in the shell (1), a water inlet (3) communicated with the accommodating cabin (11) is formed in the surface of one end of the shell (1) along the axis direction of the shell, the water inlets (3) are distributed on two opposite sides of the shell (1), a cover plate (2) is arranged at the other end of the shell (1) along the axis direction of the shell, a water outlet (4) communicated with the accommodating cabin (11) is formed in the surface of the cover plate (2), and a connecting part is arranged at the water outlet (4);
the propeller is arranged in the accommodating cabin (11), a water suction port (51) of the propeller faces the water inlet (3), a water spray port (53) of the propeller faces the water outlet (4), a flexible pipe (54) is arranged at the water spray port (53), the flexible pipe (54) is connected with the water outlet (4) through the connecting part, and the propeller can perform overturning motion along with the flexible pipe (54) in the accommodating cabin (11);
a supporting device for supporting the propeller is arranged in the accommodating cabin (11), a rotating device matched with the supporting device is arranged on the outer surface of the propeller, and the supporting device can support the propeller to perform overturning movement along with the flexible pipe (54) in the accommodating cabin (11);
the number of the supporting devices is at least two, the two supporting devices are oppositely arranged at one end, close to the cover plate (2), in the accommodating cabin (11), the supporting devices comprise a first limiting protrusion (81) and a second limiting protrusion (83), the first limiting protrusion (81) is arranged on the inner side wall of the accommodating cabin (11), and a first arc-shaped groove (82) is formed in the first limiting protrusion (81); the second limiting protrusion (83) is arranged on the inner wall of the cover plate (2), a second arc-shaped groove (85) is formed in the second limiting protrusion (83), an opening of the second arc-shaped groove (85) is opposite to an opening of the first arc-shaped groove (82), and the second arc-shaped groove (85) and the first arc-shaped groove (82) are matched to form a limiting hole;
the number of the rotating devices is at least two, the two rotating devices are oppositely arranged on the outer surface of the propeller, the rotating devices comprise connecting arms (91) and rotating shafts (92), the length direction of each connecting arm (91) is consistent with the axis direction of the propeller, one end of each connecting arm (91) is connected with the outer wall of the propeller, the other end of each connecting arm (91) is perpendicular to the corresponding rotating shaft (92) and is connected with one end of the corresponding rotating shaft (92), the other end of each rotating shaft (92) stretches into the corresponding limiting hole, and the rotating shafts (92) can rotate in the corresponding limiting holes along with the overturning of the propeller; a sub-protrusion (84) is arranged on the surface of the second limit protrusion (83), the second arc-shaped groove (85) is formed on the surface of the sub-protrusion (84), and the sub-protrusion (84) stretches into the first arc-shaped groove (82) and is in interference fit with the first arc-shaped groove (82), so that the first arc-shaped groove (82) is matched with the second arc-shaped groove (85) to form the limit hole;
the propeller comprises a water suction pipe (5), a propeller (6) arranged in the water suction pipe (5) and a driving motor (7) for driving the propeller (6) to rotate; one end of the water suction pipe (5) is the water suction port (51), the other end of the water suction pipe (5) is the water spray port (53), a flexible pipe (54) is arranged at the water spray port (53), and the flexible pipe (54) is connected with the water outlet (4) through the connecting part; an output shaft of the driving motor (7) is connected with the propeller (6), and the propeller (6) faces the water suction port (51).
2. The propulsion device capable of absorbing water on both sides according to claim 1, wherein: the cover plate (2) is detachably connected with the shell (1).
3. The propulsion device capable of absorbing water on both sides according to claim 1, wherein: one end of the shell (1) close to the water inlet (3) is inwards sunken to form a water guide structure (14), and an included angle between the water guide structure (14) and a plane where the water inlet (3) is located is an acute angle.
4. The propulsion device capable of absorbing water on both sides according to claim 1, wherein: the buoyancy type buoyancy device is characterized in that a buoyancy cabin (12) is arranged in the shell (1), the buoyancy cabin (12) is symmetrically arranged on two sides of the accommodating cabin (11) along the axis direction of the shell (1), and a sealing plate (13) is arranged between the buoyancy cabin (12) and the accommodating cabin (11).
5. The propulsion device capable of absorbing water on both sides according to claim 1, wherein: the water suction pipe (5) comprises a water suction end provided with a water suction port (51), a straight pipe (52) provided with a driving motor (7) and a water spraying end provided with a water spraying port (53), one end of the straight pipe (52) is connected with the water suction end, the other end of the straight pipe (52) is connected with the water spraying end, and the diameter of the straight pipe (52) is larger than that of the water suction end and that of the water spraying end.
6. A propulsion device capable of absorbing water on both sides according to any one of claims 1 to 5, characterized in that: one end of the flexible pipe (54) is connected with the water spraying port (53), the other end of the flexible pipe (54) is connected with the connecting part, and the connecting mode of the flexible pipe (54) and the connecting part is any one of welding connection, flange connection and threaded connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810201110.2A CN108248803B (en) | 2018-03-12 | 2018-03-12 | Propelling device capable of absorbing water from two sides |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810201110.2A CN108248803B (en) | 2018-03-12 | 2018-03-12 | Propelling device capable of absorbing water from two sides |
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| CN108248803B true CN108248803B (en) | 2023-07-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109178277B (en) * | 2018-11-02 | 2024-03-19 | 珠海云洲智能科技股份有限公司 | Propeller for power life-saving device |
| CN109229323B (en) * | 2018-11-02 | 2024-06-04 | 珠海云洲智能科技股份有限公司 | Water retaining mechanism for propeller |
| CN109606587A (en) * | 2019-01-25 | 2019-04-12 | 浙江华船海工科技有限公司 | A kind of gravity sensing bidirectional thruster and the assistance robot waterborne using the propeller |
| CN111846177B (en) * | 2020-07-30 | 2021-06-22 | 扬州大学 | Hydraulic liftable water-jet propulsion device with bottom support and use method thereof |
| CN113184138B (en) * | 2021-03-22 | 2022-06-17 | 威海天特智能科技有限公司 | Rescue robot on water |
| CN114084328B (en) * | 2021-11-10 | 2024-04-23 | 江苏科技大学 | Underwater bionic propeller and motion method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721208A (en) * | 1971-08-20 | 1973-03-20 | Minijet Sportscrafts Inc | Vehicle and apparatus for moving the vehicle through a fluid |
| CN201191513Y (en) * | 2007-12-30 | 2009-02-04 | 麦文聪 | Display support |
| CN102745034A (en) * | 2012-07-18 | 2012-10-24 | 绍兴文理学院 | Suspension swing arm and connecting rod assembly |
| PT107141B (en) * | 2013-09-03 | 2020-05-05 | Fundação Noras | SELF-PULSED WATER VEHICLE |
| CN106379500A (en) * | 2016-11-01 | 2017-02-08 | 珠海蓝创科技有限公司 | Heat-preservation power life buoy |
| CN206679235U (en) * | 2017-04-27 | 2017-11-28 | 无锡市鸿声船用玻璃钢有限公司 | A kind of multidirectional traveling naval vessels |
| CN107336813A (en) * | 2017-07-20 | 2017-11-10 | 徐玲亚 | A kind of electronic lifebuoy |
| CN208102299U (en) * | 2018-03-12 | 2018-11-16 | 南通长青沙船舶工程有限公司 | A kind of propulsion device for capableing of two-sided water suction |
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