CN214729494U

CN214729494U - Gravity hydraulic telescopic boat davit

Info

Publication number: CN214729494U
Application number: CN202120984391.0U
Authority: CN
Inventors: 华海波; 周娟; 秦刚; 庄金鹤
Original assignee: Jiangyin Neptune Marine Appliance Co ltd
Current assignee: Jiangyin Neptune Marine Appliance Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-16
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a telescopic boat davit of gravity hydraulic pressure relates to boat davit technical field, including fixed platform, the middle part fixedly connected with fixed column at fixed platform top. The utility model discloses a set up the lagging arm, go up the runner, the lower runner, the slide, flexible arm, the hydraulic stem, the movable plate, locking lever and compression spring have played flexible arm and have removed more in the same direction as smooth, strengthen flexible arm job stabilization's effect, the locking lever carries on spacingly to flexible arm, lock lagging arm and flexible arm's position, prevent that flexible arm from droing from the lagging arm, safety protection function has, play the effect of locking protection, still through setting up the anchor strut, the fixed plate, lagging post and cable wire have played the effect of reinforcing fixed column bearing capacity, set up fixed connection stability between anchor strut reinforcing fixed column and the fixed platform, reinforcing supporting effect, utilize the cable wire to increase fixed column left side pulling force, the bearing capacity at reinforcing fixed column right side top.

Description

Gravity hydraulic telescopic boat davit

Technical Field

The utility model relates to a boat davit technical field specifically is a telescopic boat davit of gravity hydraulic pressure.

Background

The hoisting equipment specially arranged on the ship and used for hoisting the lifeboat or the working boat is the boat davit, and is also commonly referred to as the davit by people. The boat davit is usually arranged at two sides of a deck, and one end of the boat davit can be extended out for lifting or dismounting the lifeboat when the boat davit needs to be used. The boat davit is classified into three types, namely a turning type, a shaking type and a gravity type according to different working modes of the boat davit. At present, gravity type boat sling frame is more use on the sea ship, because it has and puts a quick security of ship action high, opens braking equipment after, the lifeboat can be again the action of gravity down from the line of the journey whereabouts, does not need extra power drive, but because the lifeboat need be fixed on boat sling frame at ordinary times, has improved the focus of ship, leads to the fact certain influence to ship stability.

Under the general condition, telescopic yacht frame is at telescopic in-process, and slip friction when telescopic arm removes, not smooth in the time of flexible action, frictional force influences the action speed of flexible action greatly, and the result of use is poor, and lacks the spacing safety insurance structure of flexible action, and the security is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic boat davit of gravity hydraulic pressure to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a gravity hydraulic telescopic boat davit comprises a fixed platform, wherein the middle part of the top of the fixed platform is fixedly connected with a fixed column, the top part of the right side of the fixed column is fixedly connected with a sleeve arm, the top parts of the two sides of the inner wall of the sleeve arm are rotatably connected with upper rotating wheels, the bottom parts of the two sides of the inner wall of the sleeve arm are rotatably connected with lower rotating wheels, sliding plates are respectively and rotatably connected between the two upper rotating wheels and the two lower rotating wheels, a telescopic arm is fixedly connected between the two sliding plates, a hydraulic rod is rotatably connected between the right side of the bottom part of the telescopic arm and the left side of the bottom part of the sleeve arm, a sling is arranged at the right end of the telescopic arm, a protection box is fixedly connected at the right side of the top part of the sleeve arm, sliding rods are fixedly connected at the two sides of the inner part of the protection box, a movable plate is sleeved on the surface of each sliding rod, a lock rod is fixedly connected at the middle part of the bottom part of the movable plate, two pressure springs are arranged between the top part of the movable plate and the inner wall of the protection box, and a lock hole matched with the lock rod is formed in the left side of the top of the telescopic arm.

Further, the bottom of locking lever runs through guard box and loop arm in proper order and extends to the inside of loop arm, the surperficial bottom cover of slide bar is equipped with buffer spring, two pressure spring overlaps respectively and locates two the top on slide bar surface cushions and reduces the movable plate and receives the impact, extension fixture life.

Further, the top fixedly connected with connecting rod of movable plate, the top of connecting rod runs through the guard box and extends to the outside of guard box, the top cover that the surface of connecting rod just is located the guard box is equipped with the push pedal, the left side fixedly connected with pneumatic rod of push pedal bottom, the bottom of pneumatic rod and the top fixed connection of cover arm have the locking lever reset function, remove the locking protection, conveniently withdraw flexible arm left.

Further, the top fixedly connected with limiting plate of connecting rod, the top cover that the surface of connecting rod just is located the guard box is equipped with spacing spring, limiting displacement, and the pneumatic rod of being convenient for promotes the locking lever and removes.

Further, the equal fixedly connected with anchor strut in fixed column both sides, two the bottom and the fixed platform top fixed connection of anchor strut, the left side at fixed platform top and the equal fixedly connected with fixed plate in the left top of fixed column, two equal fixedly connected with cover post on the fixed plate, two the cover is equipped with the cable wire between the cover post, increases fixed connection stability between fixed column bottom and the fixed platform, reinforcing fixed connection relation gives the stronger pulling force in fixed column left side, reinforcing fixed column right side bearing capacity.

Further, the equal fixedly connected with auxiliary fixing pole in left side of cover arm top and bottom, two the left end of auxiliary fixing pole all with the right side fixed connection of fixed column, reinforcing sleeve arm and fixed column between be connected stability, strengthen fixed connection relation.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this telescopic boat davit of gravity hydraulic pressure has played flexible arm through setting up the armlet, going up runner, runner down, slide, flexible arm, hydraulic stem, movable plate, locking lever and pressure spring and has removed more in the same direction as smooth, strengthens flexible arm job stabilization's effect, and the locking lever carries on spacingly to flexible arm, locks the position of armlet and flexible arm, prevents that flexible arm from droing from the armlet, has the safety protection function, plays the effect of locking protection.

2. This telescopic boat lifting frame of gravity hydraulic pressure has played the effect of reinforcing fixed column bearing capacity through setting up anchor strut, fixed plate, cover post and cable wire, sets up fixed connection stability between anchor strut reinforcing fixed column and the fixed platform, and reinforcing supporting effect utilizes the cable wire to increase fixed column left side pulling force, the bearing capacity at reinforcing fixed column right side top.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a right side sectional view of the sleeve of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 1;

fig. 4 is an enlarged schematic view of fig. 1 at B according to the present invention;

fig. 5 is an enlarged schematic view of the present invention at C in fig. 1.

In the figure: 1. a fixed platform; 2. fixing a column; 3. a sleeve arm; 4. an upper runner; 5. a lower runner; 6. a slide plate; 7. a telescopic arm; 8. a hydraulic lever; 9. a sling; 10. a protection box; 11. a slide bar; 12. moving the plate; 13. a lock lever; 14. a pressure spring; 15. a connecting rod; 16. pushing the plate; 17. a pneumatic rod; 18. a lock hole; 19. a reinforcing rod; 20. an auxiliary fixing rod; 21. a fixing plate; 22. sleeving a column; 23. a steel cord; 24. a buffer spring; 25. a limiting plate; 26. and a limiting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The gravity hydraulic telescopic boat davit as shown in fig. 1-4 comprises a fixed platform 1, wherein the middle of the top of the fixed platform 1 is fixedly connected with a fixed column 2, the top of the right side of the fixed column 2 is fixedly connected with a sleeve arm 3, the tops of two sides of the inner wall of the sleeve arm 3 are both rotatably connected with upper rotating wheels 4, the bottoms of two sides of the inner wall of the sleeve arm 3 are both rotatably connected with lower rotating wheels 5, sliding plates 6 are respectively and rotatably connected between the two upper rotating wheels 4 and the two lower rotating wheels 5, a telescopic arm 7 is fixedly connected between the two sliding plates 6, a hydraulic rod 8 is rotatably connected between the right side of the bottom of the telescopic arm 7 and the left side of the bottom of the sleeve arm 3, the right end of the telescopic arm 7 is provided with a sling 9, the right side of the top of the sleeve arm 3 is fixedly connected with a protection box 10, two sides inside the protection box 10 are both fixedly connected with slide rods 11, and a surface moving plate sleeve of the slide rod 11 is provided with a moving plate 12, the middle part of the bottom of the moving plate 12 is fixedly connected with a lock rod 13, two pressure springs 14 are arranged between the top of the moving plate 12 and the top of the inner wall of the protection box 10, and a lock hole 18 matched with the lock rod 13 is formed in the left side of the top of the telescopic arm 7.

The bottom end of the lock rod 13 sequentially penetrates through the protection box 10 and the sleeve arm 3 and extends to the inside of the sleeve arm 3, the bottom of the surface of the sliding rod 11 is sleeved with a buffer spring 24, the two pressure springs 14 are respectively sleeved at the tops of the surfaces of the two sliding rods 11, and when the movable plate is used, the buffer spring 24 buffers the bottom of the movable plate 12 and reduces impact pressure when the pressure spring 14 elastically presses the movable plate 12 to move.

The top fixedly connected with connecting rod 15 of movable plate 12, the top of connecting rod 15 runs through guard box 10 and extends to the outside of guard box 10, the top cover that the surface of connecting rod 15 just is located guard box 10 is equipped with push pedal 16, the left side fixedly connected with air pressure bar 17 of push pedal 16 bottom, the bottom of air pressure bar 17 and the top fixed connection of cover arm 3, during the use, air pressure bar 17 extension, air pressure bar 17 promote push pedal 16 rebound, and push pedal 16 drives connecting rod 15 rebound, and connecting rod 15 drives movable plate 12 rebound, and movable plate 12 drives locking lever 13 rebound, and the bottom of locking lever 13 breaks away from lockhole 18, realizes the unblock after the locking of spacing protection.

The top fixedly connected with limiting plate 25 of connecting rod 15, the top cover that the surface of connecting rod 15 just is located guard box 10 is equipped with limiting spring 26, during the use, limiting spring 26 is to limiting plate 25 buffer protection.

The implementation mode is specifically as follows: when the rescue boat lifting device is used, a sling 9 arranged at the right end of a telescopic arm 7 lifts the rescue boat or a work boat, the telescopic arm 7 transmits pressure to a sleeve arm 3, a fixed column 2 at the top of a fixed platform 1 is connected with the sleeve arm 3, a hydraulic rod 8 fixed at the left side of the bottom of the sleeve arm 3 extends, the right end of the hydraulic rod 8 pushes the right end of the telescopic arm 7 to move rightwards, sliding plates 6 at two sides of the telescopic arm 7 slide between an upper rotating wheel 4 and a lower rotating wheel 5, an outlet arm and a retraction arm of the telescopic arm 7 are smoother, the working stability of the telescopic arm 7 is enhanced, when the telescopic arm 7 extends rightwards, a lock hole 18 aligns to a lock rod 13, a movable plate 12 is pushed to move downwards by the elastic force of a pressure spring 14 at the top of the inner wall of a protection box 10, the movable plate 12 pushes a lock rod 13 to move downwards on the surface of a slide rod 11, the lock rod 13 is inserted into the lock hole 18, the lock rod 13 limits the telescopic arm 7, positions of the sleeve arm 3 and the telescopic arm 7 are locked, prevent that flexible arm 7 from droing from cover arm 3, have the safety protection function, play the effect of locking protection, played flexible arm 7 through setting up above the structure and removed more in the same direction as smooth, strengthen the effect of flexible arm 7 job stabilization nature, locking lever 13 carries on spacingly to flexible arm 7, locks the position of cover arm 3 and flexible arm 7, prevents that flexible arm 7 from droing from cover arm 3, has the safety protection function, plays the effect of locking protection.

As shown in fig. 1 and 5, the gravity hydraulic telescopic boat davit further comprises two reinforcing rods 19 fixedly connected to two sides of a fixed column 2, the bottom ends of the two reinforcing rods 19 are fixedly connected to the top of the fixed platform 1, the left side of the top of the fixed platform 1 and the top of the left side of the fixed column 2 are both fixedly connected with a fixed plate 21, the two fixed plates 21 are both fixedly connected with sleeve columns 22, and a steel cable 23 is sleeved between the two sleeve columns 22.

The equal fixedly connected with auxiliary fixing pole 20 in left side of cover arm 3 top and bottom, two the left end of auxiliary fixing pole 20 all with the right side fixed connection of fixed column 2, during the use, two auxiliary fixing pole 20 increases fixed connection between cover arm 3 and the fixed column 2, strengthens the fixed stability of cover arm 3.

The implementation mode is specifically as follows: during the use, anchor strut 19 increases two fixed connection to 2 both sides of fixed column, fixed connection stability between reinforcing fixed column 2 and the fixed platform 1, reinforcing supporting effect, fixed platform 1 top left side utilizes fixed plate 21 fixed connection's cover post 22 with the equal fixedly connected with in 2 left sides tops of fixed column, two cover posts 22 utilize cable wire 23 to link together, increase 2 left side pulling forces of fixed column, the bearing capacity at 2 right side tops of reinforcing fixed column, the effect of reinforcing fixed column 2 bearing capacity has been played through the structure more than setting up, set up fixed connection stability between 19 reinforcing anchor strut 2 of anchor strut and the fixed platform 1, reinforcing supporting effect, utilize cable wire 23 to increase 2 left side pulling forces of fixed column, the bearing capacity at 2 right side tops of reinforcing fixed column.

The utility model discloses a theory of operation:

referring to the attached drawings 1-4 of the specification, the telescopic arm 7 is moved more smoothly and the working stability of the telescopic arm 7 is enhanced by arranging the sleeve arm 3, the upper rotating wheel 4, the lower rotating wheel 5, the sliding plate 6, the telescopic arm 7, the hydraulic rod 8, the moving plate 12, the lock rod 13 and the pressure spring 14, the lock rod 13 limits the telescopic arm 7, the sleeve arm 3 and the telescopic arm 7 are locked, the telescopic arm 7 is prevented from falling off from the sleeve arm 3, the safety protection function is achieved, and the locking protection function is achieved.

Furthermore, referring to the attached

drawings

1 and 5 in the specification, the reinforcing rod 19, the fixing plate 21, the sleeve column 22 and the steel cable 23 are arranged to enhance the bearing capacity of the fixing column 2, the reinforcing rod 19 is arranged to enhance the stability of the fixed connection between the fixing column 2 and the fixing platform 1, the supporting effect is enhanced, the steel cable 23 is used for increasing the left tension of the fixing column 2, and the bearing capacity of the top of the right side of the fixing column 2 is enhanced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a telescopic boat davit of gravity hydraulic pressure, includes fixed platform (1), its characterized in that: the middle part of the top of the fixed platform (1) is fixedly connected with a fixed column (2), the top of the right side of the fixed column (2) is fixedly connected with a sleeve arm (3), the tops of two sides of the inner wall of the sleeve arm (3) are rotatably connected with upper rotating wheels (4), the bottoms of two sides of the inner wall of the sleeve arm (3) are rotatably connected with lower rotating wheels (5), sliding plates (6) are respectively and rotatably connected between the upper rotating wheels (4) and the two lower rotating wheels (5), a telescopic arm (7) is fixedly connected between the two sliding plates (6), a hydraulic rod (8) is rotatably connected between the right side of the bottom of the telescopic arm (7) and the left side of the bottom of the sleeve arm (3), the right end of the telescopic arm (7) is provided with a sling (9), the right side of the top of the sleeve arm (3) is fixedly connected with a protection box (10), and two sides inside the protection box (10) are respectively and fixedly connected with a sliding rod (11), the surface cover of slide bar (11) is equipped with movable plate (12), middle part fixedly connected with locking lever (13) of movable plate (12) bottom, be provided with two pressure spring (14) between the top of movable plate (12) and the top of guard box (10) inner wall, lockhole (18) with locking lever (13) looks adaptation are seted up to the left side at flexible arm (7) top.

2. The gravity hydraulic telescopic davit of claim 1, wherein: the bottom of locking lever (13) runs through guard box (10) and loop arm (3) in proper order and extends to the inside of loop arm (3), the surperficial bottom cover of slide bar (11) is equipped with buffer spring (24), two pressure spring (14) are located two respectively the top on slide bar (11) surface.

3. The gravity hydraulic telescopic davit of claim 1, wherein: the top fixedly connected with connecting rod (15) of movable plate (12), the top of connecting rod (15) runs through guard box (10) and extends to the outside of guard box (10), the top cover that the surface of connecting rod (15) just is located guard box (10) is equipped with push pedal (16), left side fixedly connected with pneumatic rod (17) of push pedal (16) bottom, the bottom of pneumatic rod (17) and the top fixed connection of cover arm (3).

4. The gravity hydraulic telescopic davit of claim 3, wherein: the top fixedly connected with limiting plate (25) of connecting rod (15), the top cover that the surface of connecting rod (15) just is located guard box (10) is equipped with spacing spring (26).

5. The gravity hydraulic telescopic davit of claim 1, wherein: the steel cable fixing device is characterized in that reinforcing rods (19) are fixedly connected to two sides of the fixing column (2), the bottom end of each reinforcing rod (19) is fixedly connected with the top of the fixing platform (1), a fixing plate (21) is fixedly connected to the left side of the top of the fixing platform (1) and the top of the left side of the fixing column (2), sleeve columns (22) are fixedly connected to the left side of the fixing platform (1), and a steel cable (23) is sleeved between the sleeve columns (22).

6. The gravity hydraulic telescopic davit of claim 1, wherein: the equal fixedly connected with auxiliary fixing pole (20) in left side at cover arm (3) top and bottom, two the left end of auxiliary fixing pole (20) all with the right side fixed connection of fixed column (2).