CN108995770B

CN108995770B - Ocean platform escape device

Info

Publication number: CN108995770B
Application number: CN201811058463.8A
Authority: CN
Inventors: 张兆德; 柴佳瑜
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2023-06-09
Anticipated expiration: 2038-09-11
Also published as: CN108995770A

Abstract

The invention belongs to the technical field of machinery, relates to an ocean platform escape device, and solves the problems of low use safety and the like of the existing ocean platform escape device. The ocean platform comprises a platform body, wherein a channel which is communicated with the sea level is formed in the platform body along the vertical direction, supporting seats are arranged on two sides of the channel, and a cross rod which is positioned right above the channel is fixed on the platform body; the escape device comprises a lifeboat, a guy cable and a first connecting rod, wherein the lifeboat is positioned in the channel, a roller is rotatably arranged on the lifeboat, the upper end of the guy cable is fixed on the cross rod, the lower end of the guy cable is wound on the roller, and the two are fixedly connected; the first connecting rods are hinged to two sides of the lifeboat respectively, the inner ends of the first connecting rods are detachably connected with the lifeboat, and the outer ends of the first connecting rods are abutted to the upper end face of the supporting seat. The invention can effectively improve the use safety.

Description

Ocean platform escape device

Technical Field

The invention belongs to the technical field of machinery, and relates to an escape device for an ocean platform.

Background

The ocean platform is far away from the land, and if dangerous emergency situations occur on the ocean platform, workers need to evacuate rapidly. The traditional evacuation method uses the lifeboats to evacuate, the operation of the lifeboats is complex when the lifeboats are thrown to the water surface in an emergency, the operations of rope binding, hook fixing and the like are needed, the operations delay the valuable time of personnel evacuation, the lifeboats are irregular in shape and are not suitable for stacking a plurality of lifeboats, and therefore, the lifeboats on most ocean platforms are not reserved for all people.

In order to solve the problems, patent CN 207292341U in China discloses an ocean platform escape device, which comprises a box body, the upper end of the box body is provided with an opening, vertical square columns are fixedly installed at the positions, close to four corners, of the upper part of the box body, the interior of each square column is hollow, light boards are arranged between two adjacent square columns, through holes are formed in the side surfaces of the lower ends of the square columns, the lower ends of two light boards located on the left side and the right side are hinged with the top of the box body, transverse shafts are fixedly installed on the lower sides of the left side and the right side of the two light boards located on the front side and the rear side, the other ends of the transverse shafts penetrate through the through holes and are located inside the square columns, the transverse shafts are movably connected with the through holes through bearings, and wire wheels are fixedly installed at the other ends of the transverse shafts.

When the box body is not used, the box bodies can be orderly stacked together, the occupied space is small, the box bodies can be quickly changed into temporary life boats during use, and the throwing speed is high. However, the escape device still has the following defects:

the throwing of the box body needs to depend on a winch, and then needs to depend on electrified equipment such as a motor, and an electrified escape system is easy to break down when dangerous things happen to the platform, so that the safety of platform operators is easy to be influenced.

Disclosure of Invention

The invention aims at solving the problems in the prior art, and provides an ocean platform escape device, which aims at solving the technical problems that: how to improve the safety of platform operators during escape.

The aim of the invention can be achieved by the following technical scheme:

the ocean platform escape device comprises a platform body, wherein a channel which is communicated with the sea level is formed in the platform body along the vertical direction, supporting seats are arranged on two sides of the channel, and a cross rod which is positioned right above the channel is fixed on the platform body; the escape device comprises a lifeboat, a guy cable and a first connecting rod, wherein the lifeboat is positioned in the channel, a roller is rotatably arranged on the lifeboat, the upper end of the guy cable is fixed on the cross rod, and the lower end of the guy cable is wound on the roller and fixedly connected with the roller; the first connecting rods are hinged to two sides of the lifeboat respectively, the inner ends of the first connecting rods are detachably connected with the lifeboat, and the outer ends of the first connecting rods are attached to the upper end face of the supporting seat.

The working principle is as follows: under normal conditions, the first inner end of the connecting rod on the lifeboat is detachably connected with the lifeboat, and the outer end of the first connecting rod is abutted against the upper end face of the supporting seat of the channel, so that the lifeboat can be supported; when the dangerous situation occurs and escape is needed, the inner end of the first connecting rod can be detached from the lifeboat, and the middle part of the first connecting rod is movably connected with the lifeboat, so that the outer end of the first connecting rod swings upwards to be separated from the supporting seat, the supporting seat is not used for supporting the lifeboat, the lifeboat starts to fall along the channel under the action of gravity, and the inhaul cable is designed, so that the falling speed of the lifeboat can be correspondingly reduced, and the safety is improved. When the escape device is used, the escape device does not need to rely on electrified equipment, the situation that the escape device cannot be used due to the fault of the electrified equipment is avoided, and in addition, the escape device is along a channel in the falling process, so that the escape device can ensure that the escape device falls relatively horizontally and stably, is not easy to overturn, and improves the use safety.

In the above-mentioned platform escape device, the both sides of lifeboat are fixed with the fixing base, be connected through a fixed axle between the fixing base, the roller cover is located on the fixed axle, and the internal surface of roller be fixed with the damping fin that the fixed axle is leaned on mutually. The damping surface is designed between the roller and the fixed shaft, so that the falling speed of the lifeboat can be effectively reduced, the first-stage speed reduction is carried out on the lifeboat, the damage to the lifeboat and the human body caused by the rapid falling is avoided, and the use safety is improved.

In the above-mentioned platform escape device, escape device still includes two connecting rods two, the middle part of connecting rod two articulates in the both sides of lifeboat respectively, the outer end of connecting rod two and the inner looks joint of connecting rod one and both collineation, the inner of connecting rod two is connected with can drive this connecting rod two wobbling drive unit, drive unit can make the outer end of this connecting rod two and the inner phase separation of connecting rod one through driving connecting rod two wobbles. When the ocean platform is normally used, the first connecting rod is clamped with the second connecting rod, and the first connecting rod and the second connecting rod are collinear, so that the rescue boat is supported in the channel; when the lifeboat needs to be put in, the driving unit drives the second connecting rod to swing, so that the outer end of the second connecting rod is separated from the inner end of the first connecting rod, the outer end of the first connecting rod is not attached to the supporting seat, and the lifeboat starts to fall.

In the ocean platform escape device, the clamping groove is formed in the inner end of the first connecting rod, the opening direction of the clamping groove is downward, and the outer end of the second connecting rod can be screwed into the clamping groove through swinging.

In the above-mentioned platform escape device, the drive unit includes the lead screw that rotates along width direction and sets up on the lifeboat, the interval is provided with two sections external screw threads on the lead screw, and two sections the spiral direction of external screw thread is opposite, threaded connection has the nut on the external screw thread, be provided with on the lifeboat and pass the guide arm of nut, the inner of connecting rod two pass through the connecting rod three with the nut articulates mutually. The screw rod is rotated positively, so that the two nuts can be driven to be separated relatively along the width direction, the outer end of the second connecting rod is driven to swing downwards, the outer end of the second connecting rod finally slips from the inner end of the first connecting rod, the balance between the lifeboat and the supporting seat is damaged, and the lifeboat starts to fall; when the lifeboat needs to be reused and placed in the channel, the screw rod is only required to be rotated reversely to drive the two nuts to be relatively close, so that the outer end of the second connecting rod swings upwards, and is screwed into the inner end clamping groove of the first connecting rod again.

In the above-mentioned platform escape device, the outer end of connecting rod one have can with the backup pad that the supporting seat leaned on mutually, the lower face of backup pad has a plurality of reducing gear, the inboard of passageway along the direction of height be provided with can with reducing gear matched with reducing gear's speed reduction tooth. The connecting rod II swings, so that the outer end of the connecting rod II slips from the inner end of the connecting rod I, the outer end of the connecting rod I is tilted upwards, and the supporting plate is tilted upwards and retracted inwards, so that the reduction gear originally positioned at the lower plate surface of the supporting plate begins to face outwards, and the reduction gear can be matched with the reduction gear to perform secondary reduction in the falling process, so that the stability of the lifeboat during falling is further improved.

In the above-mentioned platform escape device, the inner end of the first connecting rod is provided with a first inclined plane, the side wall of the lifeboat is provided with a second inclined plane which can be abutted against the first inclined plane, and when the first inclined plane is abutted against the second inclined plane, the speed reducing wheel on the supporting plate is abutted against the speed reducing teeth on the channel.

Compared with the prior art, the invention has the following advantages:

when the escape device is used, the escape device does not need to rely on electrified equipment, the situation that the escape device cannot be used due to the fault of the electrified equipment is avoided, and in addition, the escape device is along a channel in the falling process, so that the escape device can ensure that the escape device falls relatively horizontally and stably, is not easy to overturn, and improves the use safety.

Drawings

Fig. 1 is a schematic structural view of the escape device of the ocean platform.

Fig. 2 is a partial enlarged view of fig. 1.

Fig. 3 is a schematic view of a partial structure between the first link and the lifeboat.

In the figure, 1, a platform body; 2. a channel; 3. a support base; 4. a cross bar; 5. lifeboats; 6. a guy cable; 7. a first connecting rod; 8. a roller; 9. a fixing seat; 10. a fixed shaft; 11. a second connecting rod; 12. a clamping groove; 13. a screw rod; 14. a nut; 15. a guide rod; 16. a support plate; 17. a reduction gear; 18. a reduction gear; 19. an inclined plane I; 20. a second inclined plane; 21. and a connecting rod III.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the ocean platform escape device comprises a platform body 1, wherein a channel 2 which is communicated with the sea level is formed in the platform body 1 along the vertical direction, supporting seats 3 are arranged on two sides of the channel 2, and a cross rod 4 which is positioned right above the channel 2 is fixed on the platform body 1; the escape device comprises a lifeboat 5, a guy rope 6 and a first connecting rod 7, wherein the lifeboat 5 is positioned in the channel 2, a roller 8 is rotatably arranged on the lifeboat 5, the upper end of the guy rope 6 is fixed on the cross rod 4, and the lower end of the guy rope 6 is wound on the roller 8 and fixedly connected with the roller 8; the first connecting rods 7 are hinged to two sides of the lifeboat 5 respectively, the inner ends of the first connecting rods 7 are detachably connected with the lifeboat 5, and the outer ends of the first connecting rods 7 are abutted to the upper end face of the supporting seat 3.

Specifically, the two sides of the lifeboat 5 are fixed with fixing seats 9, the fixing seats 9 are connected through a fixing shaft 10, the roller 8 is sleeved on the fixing shaft 10, and damping sheets which are abutted against the fixing shaft 10 are fixed on the inner surface of the roller 8.

Preferably, the escape device further comprises two connecting rods II 11, the middle parts of the connecting rods II 11 are respectively hinged to two sides of the lifeboat 5, the outer ends of the connecting rods II 11 are connected with the inner ends of the connecting rods I7 in a clamping mode and are collinear, the inner ends of the connecting rods II 11 are connected with a driving unit capable of driving the connecting rods II 11 to swing, and the driving unit can enable the outer ends of the connecting rods II 11 to be separated from the inner ends of the connecting rods I7 by driving the connecting rods II 11 to swing. The inner end of the first connecting rod 7 is provided with a clamping groove 12, the opening direction of the clamping groove 12 is downward, and the outer end of the second connecting rod 11 can be screwed into the clamping groove 12 through swinging.

In this embodiment, the driving unit includes a screw rod 13 rotatably disposed on the lifeboat 5 along a width direction, two sections of external threads are disposed on the screw rod 13 at intervals, the screw directions of the two sections of external threads are opposite, a nut 14 is screwed on the external threads, a guide rod 15 penetrating through the nut 14 is disposed on the lifeboat 5, and an inner end of the second connecting rod 11 is hinged with the nut 14 through a third connecting rod 21. The outer end of the first connecting rod 7 is provided with a supporting plate 16 which can be abutted against the supporting seat 3, the lower plate surface of the supporting plate 16 is provided with a plurality of reduction gears 17, and the inner side of the channel 2 is provided with reduction gears 18 which can be matched with the reduction gears 17 along the height direction. The inner end of the first connecting rod 7 is provided with a first inclined surface 19, the side wall of the lifeboat 5 is provided with a second inclined surface 20 which can be abutted against the first inclined surface 19, and when the first inclined surface 19 is abutted against the second inclined surface 20, the speed reducing wheel 17 on the supporting plate 16 is abutted against the speed reducing teeth 18 on the channel 2.

The working principle of the invention is as follows: because the inner end of the first connecting rod is clamped with the outer end of the second connecting rod and is collinear, the rescue boat can be supported in the channel; when the lifeboat needs to be put in, the screw rod is rotated forward, so that the two nuts can be driven to be separated relatively along the width direction, the outer end of the connecting rod II is driven to swing downwards, the outer end of the connecting rod II finally slips from the inner end of the connecting rod I, the balance between the lifeboat and the supporting seat is damaged, and the lifeboat starts to fall down to realize the putting in. The damping fin is designed between the roller and the fixed shaft, so that primary speed reduction can be formed on the lifeboat, and secondary speed reduction can be formed between the speed reduction wheel on the lifeboat and the speed reduction teeth on the channel, thereby effectively ensuring the stability of the lifeboat during throwing and further ensuring the use safety.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The ocean platform escape device is characterized by comprising a platform body (1), wherein a channel (2) communicated with the sea level is formed in the platform body (1) along the vertical direction, supporting seats (3) are arranged on two sides of the channel (2), and a cross rod (4) positioned right above the channel (2) is fixed on the platform body (1); the escape device comprises a lifeboat (5), a stay rope (6) and a first connecting rod (7), wherein the lifeboat (5) is positioned in a channel (2), a roller (8) is rotatably arranged on the lifeboat (5), the upper end of the stay rope (6) is fixed on a cross rod (4), and the lower end of the stay rope (6) is wound on the roller (8) and fixedly connected with the roller; the first connecting rods (7) are hinged to two sides of the lifeboat (5) respectively, the inner ends of the first connecting rods (7) are detachably connected with the lifeboat (5), and the outer ends of the first connecting rods (7) are abutted to the upper end face of the supporting seat (3);

the escape device further comprises two connecting rods II (11), the middle parts of the connecting rods II (11) are respectively hinged to two sides of the lifeboat (5), the outer ends of the connecting rods II (11) are clamped with the inner ends of the connecting rods I (7) and are collinear with the inner ends of the connecting rods I, the inner ends of the connecting rods II (11) are connected with a driving unit capable of driving the connecting rods II (11) to swing, and the driving unit can enable the outer ends of the connecting rods II (11) to be separated from the inner ends of the connecting rods I (7) by driving the connecting rods II (11) to swing;

a clamping groove (12) is formed in the inner end of the first connecting rod (7), the opening direction of the clamping groove (12) is downward, and the outer end of the second connecting rod (11) can be screwed into the clamping groove (12) through swinging;

the driving unit comprises a screw rod (13) which is arranged on the lifeboat (5) in a rotating mode along the width direction, two sections of external threads are arranged on the screw rod (13) at intervals, the spiral directions of the external threads are opposite, a nut (14) is connected to the external threads in a threaded mode, a guide rod (15) penetrating through the nut (14) is arranged on the lifeboat (5), and the inner end of the second connecting rod (11) is hinged to the nut (14) through a third connecting rod (21).

2. The platform escape device according to claim 1, characterized in that the outer end of the first connecting rod (7) is provided with a supporting plate (16) which can be abutted against the supporting seat (3), the lower plate surface of the supporting plate (16) is provided with a plurality of speed reduction wheels (17), and the inner side of the channel (2) is provided with speed reduction teeth (18) which can be matched with the speed reduction wheels (17) along the height direction.

3. The platform escape device according to claim 2, wherein the inner end of the first connecting rod (7) is provided with a first inclined plane (19), the side wall of the lifeboat (5) is provided with a second inclined plane (20) which can be abutted against the first inclined plane (19), and when the first inclined plane (19) is abutted against the second inclined plane (20), the speed reducing wheel (17) on the supporting plate (16) is abutted against the speed reducing teeth (18) on the channel (2).