阅读说明：本技术 一种舷梯收放装置 (Accommodation ladder winding and unwinding devices ) 是由 黄翔宇 关汝滔 赵勇杰 张志升 沈颂 林佳 于 2019-10-10 设计创作，主要内容包括：本发明公开了一种舷梯收放装置,包括底座和可拆卸设在所述底座上的门架,所述门架上设有与所述舷梯的形状匹配的收放口；所述门架上还设有沿所述收放口下放或者收起舷梯的动力装置；所述门架上的与所述舷梯的接触的位置还设有用于防止舷梯磕碰的防碰撞结构。本发明的舷梯收放装置,利用动力装置带动舷梯自收放口内下方或者收起舷梯,采用动力装置代替人工搬运,节省了人工搬运的人力损耗,解决了人工搬运登船舷梯的困难,方便快捷；舷梯在收放口内移动,既规定了舷梯移动的路线,避免舷梯偏移容易撞击周围工作人员的安全隐患；防碰撞结构能够避免舷梯磕碰到门架上对门架和舷梯的损害。(The invention discloses a gangway ladder retracting device which comprises a base and a portal frame detachably arranged on the base, wherein a retracting opening matched with the shape of a gangway ladder is formed in the portal frame; the portal frame is also provided with a power device for lowering or retracting the gangway ladder along the retraction opening; and the position on the portal frame, which is in contact with the gangway ladder, is also provided with an anti-collision structure for preventing the gangway ladder from colliding. According to the accommodation ladder retracting device, the power device is utilized to drive the accommodation ladder to retract from the lower part in the retracting opening or retract the accommodation ladder, manual carrying is replaced by the power device, the manpower loss of manual carrying is saved, the difficulty in manually carrying the boarding accommodation ladder is solved, and the accommodation ladder retracting device is convenient and rapid; the gangway ladder moves in the folding and unfolding port, so that the moving route of the gangway ladder is specified, and the potential safety hazard that the gangway ladder is easy to collide surrounding workers is avoided; anticollision structure can avoid the gangway ladder to collide with the portal on the harm to portal and gangway ladder.)

1. the accommodation ladder retracting and releasing device is characterized by comprising a base and a portal frame detachably arranged on the base, wherein a retracting and releasing opening matched with the shape of an accommodation ladder is formed in the portal frame;

the portal frame is also provided with a power device for lowering or retracting the gangway ladder along the retraction opening;

and the position on the portal frame, which is in contact with the gangway ladder, is also provided with an anti-collision structure for preventing the gangway ladder from colliding.

2. The gangway ladder retracting device according to claim 1, wherein the portal comprises a first door rod, a second door rod and a top rod for connecting the first door rod and the second door rod, the base comprises a first support and a second support which are correspondingly matched with the first door rod and the second door rod respectively, the first support and the second support are provided with insertion holes, and the first door rod and the second door rod are detachably inserted into the corresponding insertion holes in a matching way.

3. The gangway retracting device as recited in claim 2, wherein the anti-collision structure comprises a plurality of rollers which rotate along with the movement of the gangway, and the rollers are rotatably sleeved on the door rod of the portal.

4. The gangway ladder retracting device as claimed in claim 3, wherein a support rod is further arranged at the lower part of the top rod on the portal, the power device is fixedly arranged between the top rod and the support rod, and the retracting opening is an opening formed by the first door rod, the second door rod and the support rod;

the anti-collision structure comprises a first roller rotatably arranged on the first door rod, a second roller rotatably arranged on the second door rod, and a third roller and a fourth roller rotatably arranged on the supporting rod and positioned on two sides of the power device.

5. The gangway ladder retracting device as claimed in claim 4, wherein a support rod is horizontally arranged at the lower part of the portal frame, and a fifth roller for rotatably supporting the gangway ladder is arranged on the support rod.

6. the gangway ladder retracting device according to claim 2, wherein the anti-collision structure comprises an anti-collision plate arranged on the first door rod and the second door rod, the surface of the anti-collision plate is matched and opposite to the side edge of the gangway ladder, and a sliding track for the gangway ladder to slide is arranged on the surface of the anti-collision plate.

7. The gangway ladder retracting device as claimed in claim 2, wherein the power device comprises an electric block, the electric block is fixed on the mandril through bolts, and the output end of the electric block is provided with a hook for hooking the gangway ladder.

8. The gangway ladder retracting device as claimed in claim 2, wherein the first support is provided with a first support lug, the first support lug is provided with a first rotating hole, and the bottom of the first portal is rotatably mounted in the rotating hole of the first support lug; the first support is also provided with a first support rod, one end of the first support rod is rotatably arranged on the first support, and the other end of the first support rod is fixedly connected with the first door rod through a bolt when the first door rod rotates to a vertical position;

A second support lug is arranged on the second support, a second rotating hole is formed in the second support lug, and the bottom of the second portal is rotatably arranged in the second rotating hole of the second support lug; and a second supporting rod is further arranged on the second supporting seat, one end of the second supporting rod is rotatably arranged on the second supporting seat, and the other end of the second supporting rod is fixedly connected with the second door rod through a bolt when the second door rod rotates to a vertical position.

Technical Field

the invention relates to the technical field of ships, in particular to a gangway ladder retracting device.

Background

Disclosure of Invention

The accommodation ladder retracting device replaces manual accommodation ladders, solves the problem of difficulty in manually carrying boarding accommodation ladders, and is convenient to retract, high in efficiency, simple in structure and convenient to move and store.

In order to achieve the purpose, the invention provides a gangway ladder retracting and releasing device which comprises a base and a portal frame detachably arranged on the base, wherein a retracting and releasing opening matched with the shape of the gangway ladder is formed in the portal frame;

The portal frame is also provided with a power device for lowering or retracting the gangway ladder along the retraction opening;

And the position on the portal frame, which is in contact with the gangway ladder, is also provided with an anti-collision structure for preventing the gangway ladder from colliding.

According to the preferable technical scheme, the door frame comprises a first door rod, a second door rod and an ejector rod connected with the first door rod and the second door rod, the base comprises a first support and a second support which are correspondingly matched with the first door rod and the second door rod, jacks are formed in the first support and the second support, and the first door rod and the second door rod are detachably inserted into the corresponding jacks in a matched mode.

According to the preferable technical scheme, the anti-collision structure comprises a plurality of rollers which rotate along with the movement of the gangway ladder, and the rollers are rotatably sleeved on a door rod of the portal.

According to the preferable technical scheme, a support rod is further arranged at the lower part of a top rod on the door frame, the power device is fixedly arranged between the top rod and the support rod, and the opening and closing opening is an opening formed by the first door rod, the second door rod and the support rod;

The anti-collision structure comprises a first roller rotatably arranged on the first door rod, a second roller rotatably arranged on the second door rod, and a third roller and a fourth roller rotatably arranged on the supporting rod and positioned on two sides of the power device.

according to the preferable technical scheme, a support rod is horizontally arranged at the lower part of the portal frame, and a fifth roller for rotatably supporting the gangway ladder is arranged on the support rod.

according to the preferred technical scheme, the anti-collision structure comprises an anti-collision plate arranged on the first door rod and the second door rod, the surface of the anti-collision plate is matched with the side edge of the gangway ladder oppositely, and a sliding track for the gangway ladder to slide is arranged on the surface of the anti-collision plate.

According to the technical scheme, the power device comprises an electric hoist, the electric hoist is fixed on the ejector rod through a bolt, and a hook used for hooking the gangway ladder is arranged at the output end of the electric hoist.

According to the preferred technical scheme, a first support lug is arranged on the first support, a first rotating hole is formed in the first support lug, and the bottom of the first portal is rotatably installed in the rotating hole of the first support lug; the first support is further provided with a first supporting rod, one end of the first supporting rod is rotatably arranged on the first support, and the other end of the first supporting rod is fixedly connected with the first door rod through a bolt when the first door rod rotates to the vertical position.

A second support lug is arranged on the second support, a second rotating hole is formed in the second support lug, and the bottom of the second portal is rotatably arranged in the second rotating hole of the second support lug; and a second supporting rod is further arranged on the second supporting seat, one end of the second supporting rod is rotatably arranged on the second supporting seat, and the other end of the second supporting rod is fixedly connected with the second door rod through a bolt when the second door rod rotates to a vertical position.

Compared with the prior art, the accommodation ladder retracting device has the beneficial effects that:

According to the accommodation ladder folding and unfolding device, the portal frame is arranged on the base, the base is arranged at the position where the accommodation ladder needs to be folded and unfolded of a ship, the accommodation ladder is driven to be placed in the folding and unfolding port or folded by the power device, manual carrying is replaced by the power device, manpower loss of manual carrying is saved, the difficulty in manually carrying the boarding accommodation ladder is solved, and the accommodation ladder is convenient and quick to fold and unfold by the power device; the gangway ladder moves in the folding and unfolding port, so that the moving route of the gangway ladder is specified, and the potential safety hazard that the gangway ladder is easy to collide surrounding workers is avoided; be equipped with the anticollision structure who prevents the gangway ladder and collide with in receiving and releasing the mouth, anticollision structure can avoid the gangway ladder to collide with the portal on to the harm of portal and gangway ladder.

Drawings

Fig. 1 is a schematic structural view of a gangway ladder retracting device according to embodiment 1 of the invention;

Fig. 2 is a schematic view of a usage state of the accommodation ladder retraction device according to embodiment 1 of the present invention;

Fig. 3 is a structural schematic diagram of the installation of the mast and the base of the accommodation ladder winding and unwinding device in embodiment 2 of the invention.

In the figure, 1, a base; 11. a first support; 12. a second support; 13. a first lug; 14. a first support rod; 2. a gantry; 21. a first door lever; 22. a second door lever; 23. a top rod; 24. a strut; 3. gangway ladder; 4. a power plant; 5. an anti-collision structure; 51. a first roller; 52. a second roller; 53. a third roller; 54. a fourth roller; 57. a support rod.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The preferred embodiment of the accommodation ladder retracting device comprises a base 1 and a portal 2 detachably arranged on the base 1, specifically, the base 1 comprises a first support 11 and a second support 12, the portal 2 comprises a first door rod 21, a second door rod 22 and a push rod 23, the first door rod 21 is correspondingly arranged on the first support 11, the second door rod 22 is arranged on the second support 12 to enable the door rods to be vertically and fixedly arranged, a retracting opening matched with the shape of the accommodation ladder 3 is reserved on the portal 2, the retracting opening is used for enabling the accommodation ladder to move from the retracting opening, a moving path of the accommodation ladder 3 is specified, and the potential safety hazard that the accommodation ladder 3 is deviated and easily collides surrounding workers is avoided; still be equipped with drive gangway ladder 3 on portal 2 and transfer or pack up power device 4 of gangway ladder 3, power device 4 drives gangway ladder 3 and is receiving and releasing intraoral removal, avoids the manpower loss of artifical transport gangway ladder, has solved the difficulty of artifical transport boarding gangway ladder 3, and adopts power device to receive and release gangway ladder 3 convenient and fast. Still be equipped with the anticollision structure 5 that is used for preventing that gangway ladder 3 from colliding with at portal 2, anticollision structure 5 sets up the position that contacts at portal 2 and gangway ladder 3, prevents gangway ladder 3 and portal 2 striking and damage gangway ladder 3 or portal 2 when receiving and releasing gangway ladder 3.

Wherein, first door pole 21 in this application is connected through pegging graft with first support 11, and second door pole 22 also is connected through pegging graft with second support 12, and is specific, all leaves the jack in advance on first support 11 and the second support 12, and the bottom of first door pole 21 and the bottom of second door pole 22 are pegged graft respectively in the jack that corresponds, can fix first door pole 21 and second door pole 22 like this. When the gantry 2 fixing device is used, the gantry 2 can be fixed only by inserting the first door rod 21 and the second door rod 22 into the corresponding jacks, after the gangway ladder 3 is folded and unfolded, the first door rod 21 and the second door rod 22 can be directly pulled out from the jacks to pack up the gantry 2, and the installation and the disassembly of the gantry 2 are convenient.

Wherein, power device 4 is electric block, and electric block passes through the bolt fastening on ejector pin 23, and electric block's output is equipped with the couple that is used for the hook gangway ladder. Concretely, electric block includes the shell, the shell internal rotation is connected with the transmission shaft, the winding has wire rope on the transmission shaft, the coaxial first gear that is fixed with of transmission shaft right-hand member, first gear intermittent type meshing has the second gear, the coaxial first lead screw that is fixed with of second gear, the coaxial second lead screw that is fixed with of first lead screw right-hand member, the screw thread of first lead screw and second lead screw is to opposite soon, first lead screw threaded connection has first nut, second lead screw threaded connection has the second nut, first nut and second nut all are equipped with the through-hole, wire rope and through-hole through connection, wire rope lower extreme sliding connection has the pulley, the pulley articulates there is the couple (not drawn in the picture). The hook is used for connecting the gangway ladder 3.

In the application, referring to fig. 1, a support rod 24 is further fixedly arranged at the lower part of a top rod 23 of the portal 2, the power device 4 is arranged between the support rod 24 and the top rod 23, the opening and closing opening is an opening formed by the first door rod 21, the second door rod 22 and the support rod 23, and the opening and closing opening is matched with two sides of the gangway 3. In the embodiment of the present application, the anti-collision structure 5 includes a first roller 51 rotatably disposed on the first door lever 21, a second roller 52 rotatably disposed on the second door lever 22, and a third roller 53 and a fourth roller 54 rotatably disposed on the strut 23 and located at both sides of the power device 4; a support rod 57 is horizontally arranged at the lower part of the portal 2, a fifth roller for rotatably supporting the gangway ladder 3 is arranged on the support rod 57, the first roller 51 is rotatably sleeved on the first door rod 21, the second roller 52 is rotatably sleeved on the second door rod 22, the third roller 53 and the fourth roller 54 are rotatably sleeved on the support rod 23, and the fifth roller is rotatably sleeved on the support rod, wherein the gangway ladder 3 is simultaneously in frictional contact with the first roller 51, the second roller 52, the third roller 53, the fourth roller 54 and the fifth roller, when the gangway ladder is folded and unfolded, the gangway ladder moves to enable the first roller 51, the second roller 52, the third roller 53, the fourth roller 54 and the fifth roller, the friction force between the gangway ladder 3 and the portal 2 is converted into the rotation of the five rollers, so as to avoid the frictional damage between the gangway ladder 3 and the portal 2, and the first roller 51, the second roller 52, the third roller 53, the fourth roller 54 and the fifth roller have the advantage of guiding the gangway ladder 3 when the gangway ladder 3 is folded and unfolded, so that the gangway ladder Remove, improve portal 2 receive and releases gangway ladder 3's accuracy.

in other embodiments of the present application, the anti-collision structure 5 includes an anti-collision plate (not shown) disposed on the first door rod and the second door rod, a plate surface of the anti-collision plate is matched and opposite to a side edge of the gangway 3, the plate surface is vertically and obliquely disposed on the first door rod and the second door rod, and an oblique direction is the same as a retracting direction of the gangway 3; and a sliding track for the accommodation ladder 3 to slide is arranged on the board surface. On the slip track can be arranged in direct matching in the both sides of gangway ladder, can remove along the slip track when gangway ladder 3 removes like this for the removal route that makes gangway ladder 3 is stable, produces the guide effect to gangway ladder 3, improves portal 2 and receive and releases gangway ladder 3's accuracy.

As shown in fig. 3, an embodiment 2 of the accommodation ladder retraction device of the present invention is basically the same as the embodiment 1 except for the installation manner of the gantry and the base: specifically, the first support 11 is provided with a first lug 13, the first lug 13 is provided with a first rotating hole, and the bottom of the first door rod 21 is rotatably installed in the rotating hole of the first lug 13; the first support 13 is further provided with a first support rod 14, one end of the first support rod 14 is rotatably disposed on the first support 11, and the other end of the first support rod 14 is fixedly connected to the first door rod 21 through a bolt when the first door rod 21 rotates to the vertical position.

A second lug is arranged on the second support 12, a second rotating hole is arranged on the second lug, and the bottom of the second door rod 22 is rotatably arranged in the second rotating hole of the second lug; a second supporting rod is further arranged on the second support 12, one end of the second supporting rod is rotatably arranged on the second support 12, and the other end of the second supporting rod is fixedly connected with the second door rod 22 through a bolt when the second door rod 22 rotates to the vertical position.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.