WO2019024358A1

WO2019024358A1 - Vertical ladder fixing device

Info

Publication number: WO2019024358A1
Application number: PCT/CN2017/114099
Authority: WO
Inventors: 孙振财
Original assignee: 广船国际有限公司
Priority date: 2017-08-01
Filing date: 2017-11-30
Publication date: 2019-02-07
Also published as: CN206972148U

Abstract

A vertical ladder fixing device comprising a connecting device (1) engaged with a vertical ladder is provided. Two ends of the connecting device (1) are each fixedly connected to a clamping device (2) movably connected with an outer bottom plate (3). In the vertical ladder fixing device, by means of the movable connection of the clamping device (2) to the outer bottom plate (3), detachable connection between the vertical ladder fixing device and the outer bottom plate (3) is achieved, as is fixation of the vertical ladder fixing device with the vertical ladder, thereby improving safety performance and efficiency of disassembly and assembly.

Description

Straight ladder fixing device

Technical field

The utility model relates to the technical field of fixed clamps, in particular to a straight ladder fixing device.

Background technique

At present, most shipyards often need to set up straight ladders for the climbers to climb or climb down the outer bottom of the hull section during the construction process.

In order to climb the safety of the straight ladder, the upper end of the ladder and the outer bottom plate of the hull section need to be effectively fixed to prevent the ladder from sliding or falling down a lot, causing personal injury. The usual solution in the prior art is to weld a limit fixed code between the upper end of the straight ladder and the outer bottom plate of the hull section, and fix the straight ladder to the outer bottom plate of the hull section through the limit fixed code, and also install on the straight ladder. The chain, one end of the chain is fixedly connected with the straight ladder, and the other end of the chain is fixedly connected with the outer bottom plate of the hull section by a clamp.

The problems and shortcomings of the prior art mainly include:

1) The straight ladder is fixed by welding. The installation and dismantling work involve welding work, which is not convenient for quick installation of the straight ladder, and the disassembly and assembly efficiency is low.

2) Fix the straight ladder with the chain and clamp. Because the chain can't be completely collapsed during the installation process, the ladder will sway when the people are going up and down the ladder, and even the fixture will cause the fixture to slip off. ,There are security risks.

Utility model content

The utility model aims to provide a straight ladder fixing device, which solves the problem of fixing the straight ladder and the segmented outer bottom plate by welding in the prior art, and has low disassembly and assembly efficiency, or adopts a chain fixed straight ladder and a segmented outer bottom plate to store There are security risks.

To this end, the utility model adopts the following technical solutions:

A straight ladder fixing device, comprising: a connecting device, the two ends of the connecting device are divided A clamping device is not fixedly coupled; the clamping device is selectively engageable with the outer bottom plate, and the connecting device is engageable with the straight ladder.

The movable ladder and the outer bottom plate are movably connected, so that the straight ladder fixing device and the outer bottom plate are detachable, and the straight ladder fixing device and the straight ladder are fixed by the connecting device and the straight ladder, thereby solving the prior art adoption. The welding method fixes the straight ladder and the outer bottom plate, and the disassembly and assembly efficiency is low, or the straight ladder and the outer bottom plate are fixed by the chain, and there is a problem of safety hazard.

Preferably, the clamping device comprises a clamping plate, a supporting plate disposed in parallel with the clamping plate, a connecting plate respectively connected to the clamping plate, the supporting plate and the connecting device, and the supporting plate The plate is movably coupled to at least one compression rod; the compression rod is movable relative to the support plate and is capable of pressing the outer bottom plate against the clamping plate.

Preferably, the pressing rod is screwed to the support plate, and by pressing the pressing rod, the pressing rod is movable relative to the support plate, and the outer bottom plate can be pressed tightly On the clamping plate.

Preferably, the pressing rod is fixedly connected with a pressing block near one end of the clamping plate, and when the pressing rod moves relative to the supporting plate, the pressing block can be driven to press the outer bottom plate The clamping plate.

Preferably, the pressure block is provided with a first non-slip mat on a side close to the clamping plate.

By adding a first anti-slip mat, the fastening effect of the clamping device and the outer bottom plate on the side of the pressing rod is enhanced.

Preferably, the clamping plate is provided with a second non-slip mat on a side close to the pressing rod.

By adding a second non-slip mat, the fastening effect of the clamping device and the outer bottom plate on the side of the pressing plate is enhanced.

Preferably, the connecting device is provided with a snap portion that can pass through a hole between the two pedals of the straight ladder and is engaged with the pedal.

Preferably, the snap portion is located between the two clamping devices.

The two clamping devices are respectively disposed on both sides of the engaging portion, and when the straight ladder is used, the fastening effect of the straight ladder fixing device and the bottom plate is enhanced, so that the straight ladder fixing device is not easily detached from the bottom plate.

Preferably, the number of said compression rods mounted on the two said clamping devices is the same or different.

Preferably, the support plate is fixedly connected with a nut corresponding to the number of the pressing rods, the nut is provided with a threaded hole, and the outer wall of the pressing rod is provided with an external thread matching the threaded hole. Providing a through hole corresponding to the threaded hole on the support plate, and by pressing the pressing rod, the pressing rod can sequentially pass through the threaded hole and the through hole, and the The outer bottom plate is pressed against the clamping plate.

The utility model has the beneficial effects that: the movable ladder and the outer bottom plate are movably connected by the clamping device, and the straight ladder fixing device and the outer bottom plate are detachable, and the connecting device and the straight ladder are engaged to realize the fixing between the straight ladder fixing device and the straight ladder, The utility model solves the problems that the vertical ladder and the outer bottom plate are fixed by welding in the prior art, the disassembly and assembly efficiency is low, or the straight ladder and the outer bottom plate are fixed by the chain, and the safety hazard exists.

DRAWINGS

1 is a first perspective view of the straight ladder fixing device of the present invention;

2 is a second perspective view of the straight ladder fixing device of the present invention;

Figure 3 is a schematic cross-sectional view taken along line A-A of Figure 1;

4 is a first perspective view of the straight ladder fixing device of the present invention in use;

FIG. 5 is a second perspective view of the straight ladder fixing device of the present invention in use.

In the picture:

1, the connecting device; 11, the card joint;

2, clamping device; 21, clamping plate; 22, support plate; 221, through hole; 23, connecting plate; 24, pressing rod; 241, external thread; 25, briquetting; 26, nut; 261, thread hole;

3, the outer bottom plate;

4. Straight ladder 41, pedal.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

The embodiment provides a straight ladder fixing device. As shown in FIG. 1-5, the straight ladder fixing device includes a connecting device 1 and two clamping devices 2, wherein:

The clamping device 2 comprises a clamping plate 21, a support plate 22, a connecting plate 23, a nut 26 and at least one pressing rod 24; the clamping plate 21 is arranged parallel to the supporting plate 22 and does not contact each other, the clamping plate 21, the support The board 22 and the connecting device 1 are respectively connected to the connecting board 23. In this embodiment, the two connecting boards 23 are respectively connected to the two ends of the connecting device 1, and the connecting device 1 and the supporting board 22 are respectively located on both sides of the connecting board 23, and the clips are respectively The tight plate 21 is located directly below the support plate 22. The outer bottom plate 3 can be placed between the clamping plate 21 and the support plate 22 and pressed against the clamping plate 21 by the pressing rod 24.

A nut 26 corresponding to the number of the pressing rods 24 is fixed on the supporting plate 22, and the nut 26 is provided with a threaded hole 261. The outer wall of the pressing rod 24 is provided with an external thread 241 matching the threaded hole 261, and the pressing rod 24 is provided. The external thread 241 of the outer wall is screwed to the threaded hole 261 of the nut 26, and the corresponding hole 261 of the support plate 22 is provided with a through hole 221, the through hole 221 is larger than the size of the threaded hole 261, and the pressing is performed. The rod 24 can pass through the through hole 221 without interference. When the outer bottom plate 3 is placed in the gap between the support plate 22 and the clamping plate 21, the pressing rod 24 is pressed against the support plate 22 by screwing the pressing rod 24. Moving toward the side close to the clamping plate 21, the pressing rod 24 is passed through the through hole 221 near the end of the clamping plate 21, and the outer bottom plate 3 is pressed against the clamping plate 21.

In this embodiment, the pressing rod 24 may be a bolt or a hexagon socket screw. The nut 26 is fixed to the clamping plate 21 by welding. The clamping plate 21, the supporting plate 22 and the connecting device 1 are all welded. The method is fixedly connected to the connecting plate 23.

It should be noted that the number, position and size of the threaded holes 261 on the two clamping devices 2 can be In the present embodiment, each of the clamping plates 21 is provided with three threaded holes 261 and is arranged in a triangular shape, so that each clamping device 2 is externally passed through three pressing rods 24 The bottom plate 3 is pressed against the clamping plate 21, and the connection of each of the clamping devices 2 to the outer bottom plate 3 is made more stable due to the stability of the triangular shape.

In this embodiment, the connecting device 1 is integrally bent by a circular steel material, and the connecting device 1 is provided with a convex engaging portion 11 in the middle thereof, and the convex portion of the engaging portion 11 can pass through the straight ladder 4 for two consecutive periods. The gap between the pedals 41 is engaged with the pedal 41.

When the straight ladder 4 is fixed by using the straight ladder fixing device, the clamping device 2 is fixedly connected to the outer bottom plate 3, and the outer bottom plate 3 fixes and supports the clamping device 2 and the connecting device 1 fixedly connected with the clamping device 2 through The latching portion 11 of the connecting device 1 is engaged with the pedal 41 on the straight ladder 4 to fix and support the connecting device 1 to the straight ladder 4, thereby realizing the fixing and supporting of the outer bottom plate 3 to the straight ladder 4, thereby avoiding straightness. Ladder 4 slips when in use.

Preferably, the connecting device 1 has a central symmetrical structure and the engaging portion 11 is located at an intermediate position of the central symmetrical structure, and the two clamping devices 2 are also symmetrical about the center of the connecting device 1 and are respectively located at the two of the engaging portions 11 Side, so that when the straight ladder 4 is used, the two clamping devices 2 are forced from both sides of the engaging portion 11 to enhance the fastening effect of the straight ladder fixing device and the outer bottom plate 3, so that the straight ladder fixing device is not easy to be externally The bottom plate 3 is detached.

Preferably, in the embodiment, when the straight ladder 4 is fixed by using the straight ladder fixing device, the outer sides of the convex portions of the convex portion of the convex portion of the engaging portion 11 are respectively respectively adhered to the inner sides of the two handrails of the straight ladder 4, thereby restricting the straight ladder 4 The sway in the left-right direction with respect to the outer bottom plate 3.

Preferably, the pressing rod 24 is fixedly connected with the pressing block 25 near one end of the clamping plate 21, and the area of the pressing block 25 near the clamping plate 21 is larger than the area of the pressing rod 24 near the end of the clamping plate 21, The pressing block 25 abuts against the outer bottom plate 3, and the outer bottom plate 3 is fixed between the pressing block 25 and the clamping plate 21, and the clip is added. The contact area between the fastening device 2 and the outer bottom plate 3 on the side of the pressing rod 24 makes the fixing effect more stable. In the embodiment, the pressing block 25 is fixed to the pressing rod 24 by welding.

Preferably, the pressure block 25 is provided with a first non-slip mat (not shown in the drawing) on a side close to the clamping plate 21. The fastening effect of the clamping device 2 and the outer bottom plate 3 on the side of the pressing rod 24 is enhanced by adding a first anti-slip mat.

Preferably, the clamping plate 21 is provided with a second non-slip mat (not shown in the drawing) on the side close to the pressing rod 24. The fastening effect of the clamping device 2 and the outer bottom plate 3 on the clamping plate 21 side is enhanced by adding a second non-slip mat, and the second anti-slip mat and the first anti-slip mat together enable the straight ladder fixing device and the outer bottom plate 3 The connection is more stable and avoids slippage. The first anti-slip mat and the second anti-slip mat in the present embodiment are all rubber mats with a slight surface or a grid-like protrusion, which are commercially available.

Preferably, the top end of the pressing rod 24 is provided with a holding rod (not shown in the drawing) for rotating the pressing rod 24, and by adding the holding rod, the operator can directly press and hold the hand by the holding rod. The rod 24 realizes the disassembly of the straight ladder fixing device and the outer bottom plate 3.

The straight ladder 4 in this embodiment is preferably a steel straight ladder, and may also be a straight ladder of other materials, such as wood, aluminum alloy, etc., the outer bottom plate 3 may be an outer bottom plate of the hull section, or The outer bottom plate of the warehouse, the segmented outer bottom plate of the floor, the segmented outer bottom plate of the house, and the like.

In this embodiment, the clamping device 2 is movably connected to the outer bottom plate 3, so that the straight ladder fixing device and the outer bottom plate 3 are detachable, and the connecting device 1 is engaged with the straight ladder 4 to realize the between the straight ladder fixing device and the straight ladder 4. The fixing solves the problem that the prior art adopts the welding method to fix the straight ladder and the outer bottom plate, has low disassembly and assembly efficiency, or adopts a chain to fix the straight ladder and the outer bottom plate, and has a safety hazard.

The above-described embodiments of the present invention are intended to be illustrative only and not to limit the embodiments of the present invention. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Made within the spirit and principles of the present invention Any modifications, equivalent substitutions and improvements, etc., are intended to be included within the scope of the appended claims.

Claims

A straight ladder fixing device is characterized in that it comprises a connecting device (1), and two clamping devices (2) are fixedly connected to two ends of the connecting device (1); the clamping device (2) can be selected The clamping is carried out with the outer bottom plate (3), and the connecting device (1) is engageable with the straight ladder (4).
A straight ladder fixing device according to claim 1, wherein said clamping device comprises a clamping plate (21), a supporting plate (22) disposed in parallel with said clamping plate (21), and a connecting plate (23) to which the clamping plate (21), the supporting plate (22) and the connecting device (1) are respectively connected, and at least one pressing rod movably connected to the supporting plate (22) (24); the pressing rod (24) is movable relative to the support plate (22) and can press the outer bottom plate (3) against the clamping plate (21).
A straight ladder fixing device according to claim 2, wherein said pressing rod (24) is screwed to said support plate (22) by screwing said pressing rod (24) The pressing rod (24) is movable relative to the support plate (22) and is capable of pressing the outer bottom plate (3) against the clamping plate (21).
The straight ladder fixing device according to claim 3, wherein the pressing rod (24) is fixedly connected with a pressing block (25) near one end of the clamping plate (21), and the pressing is performed. When the rod (24) moves relative to the support plate (22), the pressure block (25) can be driven to press the outer bottom plate (3) against the clamping plate (21).
A straight ladder fixing device according to claim 4, characterized in that the pressing block (25) is provided with a first anti-slip mat on a side close to the clamping plate (21).
A straight ladder fixing device according to claim 5, characterized in that the clamping plate (21) is provided with a second non-slip mat on a side close to the pressing rod (24).
A straight ladder fixing device according to claim 6, wherein the connecting device (1) is provided with a catching portion (11) through which the engaging portion (11) can pass (4) two steps The gap between the plates (41) is engaged with the pedal (41).
A ladder-fixing device according to claim 7, characterized in that the snap-in portion (11) is located between the two clamping devices (2).
A ladder-fixing device according to claim 8, characterized in that the number of said pressing rods (24) mounted on the two said clamping devices (2) is the same or different.
The straight ladder fixing device according to claim 9, characterized in that the support plate (22) is fixedly connected with a nut (26) corresponding to the number of the pressing rods (24), the nut (26) a threaded hole (261) is disposed on the outer wall of the pressing rod (24), and an external thread (241) matching the threaded hole (261) is provided, and the supporting plate (22) corresponds to the corresponding The threaded hole (261) is provided with a through hole (221) through which the pressing rod (24) can be screwed through, and the pressing rod (24) can sequentially pass through the threaded hole and the through hole ( 221) and pressing the outer bottom plate (3) against the clamping plate (21).