CN203767031U - Automatic lifeboat releasing device - Google Patents
Automatic lifeboat releasing device Download PDFInfo
- Publication number
- CN203767031U CN203767031U CN201420045629.3U CN201420045629U CN203767031U CN 203767031 U CN203767031 U CN 203767031U CN 201420045629 U CN201420045629 U CN 201420045629U CN 203767031 U CN203767031 U CN 203767031U
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- Prior art keywords
- hook
- main shaft
- lifeboat
- automatic
- ship
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Abstract
The utility model discloses an automatic lifeboat releasing device. The automatic lifeboat releasing device comprises an external frame. Bearing pedestals are arranged on the external frame, and an automatic hung-lifeboat releasing mechanism is borne on the bearing pedestals. The automatic hung-lifeboat releasing mechanism comprises a lifeboat hook and a spindle, a deep groove ball bearing is connected between the handle end of the lifeboat hook and one end of the spindle, the deep groove ball bearing is covered with a torsion cup, and a gap is formed in the torsion cup. A gear is arranged at the other end of the spindle and connected with a motor, and the motor is connected with an automatic release controller. The motor drives the gear to drive the spindle to rotate under the control of the automatic release controller, the torsion cup rotates along with the spindle, the deep groove ball bearing and the handle end of the lifeboat hook pass through the gap of the torsion cup, the handle end of the lifeboat hook falls down, and a lifeboat is released from the lifeboat hook. Through the automatic lifeboat releasing device, a lifeboat can be automatically released in emergency, and thus the reliability and the safety of a lifesaving appliance are improved, and life safety of people on a ship in distress can be protected practically.
Description
Technical field
The utility model relates to a kind of boats and ships life boat automatic releasing device, and the life boat that this device is specially adapted to ship in distress discharges automatically.
Background technology
To boats and ships life saving appliance, safe availability requirement improves day by day in International Maritime Organization (IMO), in May, 2011 IMO 89Jie Maritime Safety Committee meeting passed through the SOLAS pact of life boat hook technical requirements and life saving appliance rule amendment, and amendment has been formulated some detailed standards that require to life boat ship hook safety problem.The utility model patent designs under this background.
At present the life saving appliance on ship has two kinds of liferaft and life boat.Liferaft can discharge automatically, and has simple in structurely, and the little advantage that takes up space, but its anti-combustion antiknock ability is very weak, on ship and when the water surface has fire, may make it to lose efficacy; Its travelling comfort, number of occupants and personnel protection Performance Ratio life boat are poor; The article such as its fresh water being equipped with above, food are less.In contrast, the closure designs of enclosed life boat makes life boat have very strong fire prevention, explosion-proof ability, by personnel and the isolation of extraneous harsh environment, has ensured personnel's personal safety; On life boat, have than more fresh water, food and various accessory in liferaft, life boat is more conducive to personnel's emergency escape and survival at sea.And the landing equipment of life boat mainly contains gravity type boat davit, free fall style boat davit at present.Except free fall style boat davit can make life boat under water automatic trip from lash ship, other forms of boat davit can only progressively manually discharge according to relevant regulations, the function that does not possess automatic release, in case of emergency life boat may be because can not normally manually discharging with lash ship and sink to seabed, life security that can not support personnel.
Utility model content
The technical problems to be solved in the utility model is the deficiency existing in existing ship life boat landing equipment in prior art; a kind of life boat automatic releasing device based on water pressure sensor is provided; this device not only can be realized normal artificial release in the ordinary course of things; and in case of emergency can realize automatic release; thereby improve reliability and the safety of life saving appliance, conscientiously protect personnel's life security of ship in distress.
The utility model solves the technical scheme that its technical matters adopts:
A kind of life boat automatic releasing device is provided, comprise external frame, which is provided with bearing seat, on bearing seat, carry automatic release boat hoisting engine structure, this automatically discharges boat hoisting engine structure and comprises ship hook and main shaft, between the pommel of ship hook and main shaft one end, be connected with deep groove ball bearing, deep groove ball bearing outside is covered with torsional cup, and this torsional cup is provided with breach; The other end of main shaft is provided with gear, be connected with a motor, this motor is connected with automatic release control device, under the control of this automatic release control device, motor-driven gear drives main shaft rotation, torsional cup rotates with main shaft, the pommel of deep groove ball bearing and ship hook passes through from the indentation, there of torsional cup, and the pommel of ship hook falls down, and life boat discharges from ship hook.
In device described in the utility model, on main shaft, be also provided with disturbance rejection parts, comprise bearing cap shim, the hook axle collar and volute spiral spring, bearing cap shim is fixed on bearing seat, the hook axle collar is arranged on main shaft by key, and the hook axle collar is provided with prominent hook, hooks a square groove of volute spiral spring inner ring end, the outer ring of volute spiral spring is provided with the ring of a closure, and this closed ring set is contained on the outstanding cylinder of one in bearing cap shim.
In device described in the utility model, on main shaft, be also provided with thrust ball bearing, adjacent with deep groove ball bearing.
In device described in the utility model, bearing seat is provided with motor case body, and motor is placed in this motor case body.
In device described in the utility model, bearing seat top is provided with guide wheel.
In device described in the utility model, this automatic release control device also with life boat on the water pressure sensor wireless connections of installing.
In device described in the utility model, this device also comprises hand switch, is connected with this automatic release control device.
The beneficial effect that the utility model produces is: the utility model can in case of emergency be realized the automatic release of life boat, thereby improves reliability and the safety of life saving appliance, conscientiously protects personnel's life security of ship in distress.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the suspended state figure of life boat in prior art;
Fig. 2 is the integral structure schematic diagram that the utility model embodiment discharges boat hoisting engine structure automatically;
Fig. 3 is that the utility model discharges boat hoisting engine structure INT COMP figure automatically;
Fig. 4 is the utility model ship hook disturbance rejection block diagram;
Fig. 5-1st, the constitution diagram before the automatic release boat hoisting engine structure of the utility model embodiment discharges;
Fig. 5-2nd, the constitution diagram that the automatic release boat hoisting engine structure of the utility model embodiment is discharging;
Fig. 5-3rd, the constitution diagram that the automatic release boat hoisting engine structure of the utility model embodiment is near completion and discharges;
Fig. 6 is the structural representation of the automatic release control device of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment life boat automatic releasing device, as shown in Figure 2, comprise external frame 18, which is provided with bearing seat 19, on bearing seat 19, carry automatic release boat hoisting engine structure, this automatically discharges boat hoisting engine structure and comprises ship hook 8 and main shaft 12, between the pommel of ship hook 8 and main shaft 12 one end, is connected with deep groove ball bearing 10, deep groove ball bearing 10 outsides are covered with torsional cup 9, and this torsional cup 9 is provided with breach; As shown in Figure 3, the other end of main shaft 12 is provided with gear 15, and gear 15 can be fixedly connected with main shaft 12 by key.Gear 15 is connected with a motor 16, is also provided with gear on motor 16.This motor 16 is connected with automatic release control device, under the control of this automatic release control device, motor 16 driven wheels 15 drive main shaft 12 rotations, torsional cup 9 is with main shaft 12 rotations, the pommel of deep groove ball bearing 10 and ship hook 8 passes through from the indentation, there of torsional cup 9, the pommel of ship hook 8 falls down, and life boat discharges from ship hook 8.
Ship hook 8 is the critical components that hang and discharge life boat, when life boat does not discharge, life boat is to ship hook 8 power vertically downward, unhook center with respect to ship hook 8 produces the moment that ship hook is rotated, the pommel of ship hook 8 has the movement tendency identical with ship hook opening direction, therefore must apply the rotating torque that control effort could be offset ship hook to the pommel of ship hook, make ship hook 8 keep stable.The effect of torsional cup 9 is to produce control effort, and torsional cup 9 is equivalent to a water tumbler, but its wall of cup is not complete, has a breach, the width of torsional cup 9 breach just can make the pommel of ship hook and the deep groove ball bearing 10 installed on pommel by this breach.In normal circumstances, be that life boat is not need automatically to discharge in the situation that, with the breach of torsional cup 9 over against wall of cup contact with the deep groove ball bearing 10 of installing on ship neck of hook end, pommel to this deep groove ball bearing 10 and ship hook 8 applies control effort, produce control torque, make ship hook 9 can keep carrying life boat.
Life boat on boats and ships should be suspended to ship side both sides under normal condition, as shown in Figure 1, life boat 2 hangs on puts ship platform one side, there is special boat handing gear (comprise and hang ship arm 3 and boat hook etc.), life boat 2 is connected by hanging ship ring 5 with boat hook, and the bottom of life boat 2 is provided with water pressure sensor 7.Under normal condition, because life boat does not receive the energizing signal of water pressure sensor 7, life boat can only be by the artificial i.e. hand switch hereinafter of control unit 6(that discharges) manually discharge.In the utility model, when life boat 2 contacts with the water surface and makes water pressure sensor 7 produce energizing signal, life boat 2 can be realized automatic release (referring to below).
When life boat 2 discharges automatically, as shown in Fig. 5-1,5-2 and 5-3, motor 16 is drive shaft 12 rotations by the transmission of gear 15, torsional cup 9 can be fixed as one with screw and main shaft 12, when main shaft 12 rotates also just there is rotation in torsional cup 9, and after torsional cup 9 has rotated 180 °, ship hook 8 is around its centre of gration rotation, and the pommel that the ship hook of deep groove ball bearing 10 is installed passes through from the indentation, there of torsional cup 9, the pommel of ship hook 8 falls down, and life boat discharges.
In the utility model embodiment, on main shaft 12, be also provided with the disturbance rejection parts of ship hook 8, for controlling the rotation of main shaft 12, place main shaft 12 and because the device that the factors such as wind, wave cause rocks, cause rotation, the reliability of assurance device and safety.As shown in Figure 4, these disturbance rejection parts comprise bearing cap shim 20, the hook axle collar 13 and volute spiral spring 14, bearing cap shim 20 is fixed on bearing seat 19, the hook axle collar 13 is arranged on main shaft 12 by key, the hook axle collar 13 is provided with prominent hook, a square groove 24 that hooks volute spiral spring 14 inner ring ends, the outer ring of volute spiral spring 14 is provided with the ring 23 of a closure, and the ring 23 of this closure is sleeved on the outstanding cylinder of one in bearing cap shim 20.Visible, volute spiral spring 14 is fixed on the hook axle collar 13 and bearing cap shim 20, the rotation of main shaft 12 causes volute spiral spring 14 compressed, and volute spiral spring 14 produces compressive force and stops again conversely the rotation of main shaft 12, thereby has guaranteed can not rotate under the factor impacts such as wind, wave.
Ship hook 8 in preferred embodiment of the utility model is designed to be hooked in and be subject to force direction not on same straight line while hanging life boat with the line of main shaft 12 and ship, therefore there is a moment loading, ship hook 8 is tilted, owing to being subject to the constraint of the hook axle collar 13, can make it keep stabilized conditions.When this constrained force disappears (when life boat discharges automatically), ship hook 8 will run-off the straight, hangs ship ring 5 from 8 landings of ship hook, realizes life boat and discharges.
In the utility model embodiment, on main shaft 12, be also provided with thrust ball bearing 11, adjacent with deep groove ball bearing 10.The effect of thrust ball bearing 11 is that the friction force when reducing axle and rotating is also bearing the suffered diametral load of main shaft 12, and the friction force of thrust ball bearing 11 when one side alleviates main shaft 12 and rotates, is also bearing main shaft 12 on the other hand with the gravity of miscellaneous part on it.The effect of bearing seat 19 is the suffered power of fixed type bearing and holder, bearing seat 19 can dimidiation, during installation, by bearing cap shim 20, main shaft 12 is fixed, bearing cap shim 20 can be screwed on bearing seat 19, and bearing seat 19 also can be screwed in external frame 18.
As shown in Figure 2, be also provided with motor case body 21 on bearing seat 19, motor 16 is placed in this motor case body 21.The pedestal of motor 16 can be fixed by bolts on electric case body 21, and motor case body 21 can be screwed in external frame 18.
In an embodiment of the present utility model, at bearing seat 19 tops, be provided with guide wheel 22.The effect of guide wheel 22 is to allow flexible steel wire to pass through to hang whole being installed on lifesaving keel block.
In the utility model, this automatic release control device also with life boat on the water pressure sensor wireless connections of installing.6 water pressure sensors are installed on the life boat in the utility model embodiment, be distributed in respectively life boat before, neutralize rear three positions.As shown in Figure 6, automatically release control device comprises wireless receiving module and flush bonding processor (STM32 treater), this flush bonding processor connects relay, feed circuit, crystal oscillator and reset circuit, its repeat circuit is connected with motor, and wireless receiving module and water pressure sensor are by wireless connections.When maritime distress, sinking or sinking along with boats and ships, when being positioned at the water pressure sensor 7 of life boat 2 bottoms and being subject to hydraulic pressure and surpassing certain threshold value, water pressure sensor 7 sends to wireless receiving module by pressure data by 2.5GHz transmission over radio, wireless receiving module is communicated by letter and is sent to embedded processing module by SPI, and embedded processing module is made the decision-making that discharges life boat after receiving pressure data, then decision-making relay work, and then act on motor, make motor rotation.
This device also comprises hand switch, is connected with this automatic release control device, by this hand switch, can manually discharge life boat, realizes normal artificial release in the ordinary course of things.By automatic release control device, in case of emergency can realize the automatic release of life boat, thereby improve reliability and the safety of life saving appliance, conscientiously protect personnel's life security of ship in distress.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (7)
1. a life boat automatic releasing device, it is characterized in that, comprise external frame, which is provided with bearing seat, on bearing seat, carry automatic release boat hoisting engine structure, this automatically discharges boat hoisting engine structure and comprises ship hook and main shaft, between the pommel of ship hook and main shaft one end, is connected with deep groove ball bearing, deep groove ball bearing outside is covered with torsional cup, and this torsional cup is provided with breach; The other end of main shaft is provided with gear, be connected with a motor, this motor is connected with automatic release control device, under the control of this automatic release control device, motor-driven gear drives main shaft rotation, torsional cup rotates with main shaft, the pommel of deep groove ball bearing and ship hook passes through from the indentation, there of torsional cup, and the pommel of ship hook falls down, and life boat discharges from ship hook.
2. device according to claim 1, it is characterized in that, on main shaft, be also provided with disturbance rejection parts, comprise bearing cap shim, the hook axle collar and volute spiral spring, bearing cap shim is fixed on bearing seat, and the hook axle collar is arranged on main shaft by key, the hook axle collar is provided with prominent hook, a square groove that hooks volute spiral spring inner ring end, the outer ring of volute spiral spring is provided with the ring of a closure, and this closed ring set is contained on the outstanding cylinder of one in bearing cap shim.
3. device according to claim 1, is characterized in that, is also provided with thrust ball bearing on main shaft, adjacent with deep groove ball bearing.
4. device according to claim 1, is characterized in that, bearing seat is provided with motor case body, and motor is placed in this motor case body.
5. device according to claim 1, is characterized in that, bearing seat top is provided with guide wheel.
6. device according to claim 1, is characterized in that, this automatic release control device also with life boat on the water pressure sensor wireless connections of installing.
7. device according to claim 6, is characterized in that, this device also comprises hand switch, is connected with this automatic release control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045629.3U CN203767031U (en) | 2014-01-24 | 2014-01-24 | Automatic lifeboat releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045629.3U CN203767031U (en) | 2014-01-24 | 2014-01-24 | Automatic lifeboat releasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203767031U true CN203767031U (en) | 2014-08-13 |
Family
ID=51284252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045629.3U Expired - Fee Related CN203767031U (en) | 2014-01-24 | 2014-01-24 | Automatic lifeboat releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203767031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482583A (en) * | 2018-02-13 | 2018-09-04 | 上海大学 | A kind of four-degree-of-freedom ejection mechanism laying recycling for unmanned boat |
-
2014
- 2014-01-24 CN CN201420045629.3U patent/CN203767031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482583A (en) * | 2018-02-13 | 2018-09-04 | 上海大学 | A kind of four-degree-of-freedom ejection mechanism laying recycling for unmanned boat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |