Portable handrail for movable deck of roll-on-roll-off ship
By designing a combined structure of portable railings and using the coordination of the slots and limiting holes, the problem of difficult disassembly of railings in the prior art is solved, rapid disassembly and assembly and fixation are achieved, and loading and unloading efficiency and scope of application are improved.
Patent Information
- Application Number
- CN202421857255.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The railings on the movable decks of existing Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-Ro-
A portable railing is designed, adopting a combined structure of columns, base plates, movable plates and latches. Through the coordination of the slots and limit holes, the railings can be quickly disassembled, as well as fixed.
It realizes convenient disassembly and assembly of railings, easy operation, does not affect vehicle passage, improves loading and unloading efficiency, has a wide range of application and low cost.
Smart Images
Figure CN222905805U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of roll-on / roll-off equipment, in particular to a portable railing for the movable deck of a roll-on / roll-off ship. Background Art
[0002] Generally, railings are provided on the vehicle movable deck of existing roll-on / roll-off ships to isolate and guide the deck area. However, since most of the railings on the current movable deck are fixed, such as fixed to the deck by welding, in this case, the railings are not easy to disassemble, which affects vehicle passage, the loading, unloading or placement of goods, etc.; if a conventional base is used at the bottom of the railing and fixed to the deck by a large number of bolts, in this case, on the one hand, the structure of the conventional base is relatively prominent and will affect vehicle passage, and on the other hand, due to the large number of bolts, the disassembly and assembly process is very troublesome, which will affect the working efficiency of roll-on / roll-off ship transportation. Therefore, it is necessary to design a portable railing that can be easily disassembled and assembled on the movable deck of a roll-on / roll-off ship, does not affect vehicle passage, and improves the loading and unloading efficiency. Summary of the Utility Model
[0003] In view of the above-mentioned deficiencies existing currently, the utility model provides a portable railing for the movable deck of a roll-on / roll-off ship, which is convenient for disassembly and assembly, has a simple structure, is easy to operate, does not affect vehicle passage, improves the loading and unloading efficiency, has a wide application range, is easy to manufacture and process, and has a low cost.
[0004] To achieve the above object, the embodiments of the utility model adopt the following technical solutions:
[0005] A portable railing for the movable deck of a roll-on / roll-off ship, wherein lashing holes are provided on the movable deck, and the railing includes upright posts, a bottom plate, a movable plate, and a bolt pin. A clamping groove is provided on the upright posts. The upright posts are inserted into the lashing holes and the clamping grooves are clamped with the edges of the lashing holes. The bottom plate is fixed to the upright posts and is arranged on the movable deck. A limiting hole is provided on the bottom plate. The movable plate is movably connected to the upright posts and the two can move relative to each other. The bolt pin is fixed to the movable plate and is sequentially inserted into the limiting hole and the lashing hole.
[0006] According to one aspect of the utility model, a movable hole is provided on the movable plate, and the movable plate is sleeved on the upright posts through the movable hole, and the movable plate can move up and down relative to the upright posts.
[0007] According to one aspect of the utility model, the length of the limiting hole is greater than the length of the clamping groove.
[0008] According to one aspect of the utility model, a fixing hole is further provided on the movable plate, and the bolt pin is fixed in the fixing hole.
[0009] According to one aspect of the utility model, the fixing hole is a round hole, the bolt pin is a cylindrical pin, and one end of the bolt pin is welded in the fixing hole.
[0010] According to one aspect of the utility model, the fixing hole is a threaded hole, the plug is a bolt or a stud, and one end of the plug is threadedly connected and fixed in the fixing hole.
[0011] According to one aspect of the utility model, the column comprises a lower column and an upper column, which are rotatably connected, and both are provided with locking holes, and a fixing pin is provided in the locking hole.
[0012] According to one aspect of the utility model, the bottom plate and the movable plate are both connected to the lower column, and the clamping slot is arranged on the lower column.
[0013] According to one aspect of the utility model, the bottom plate is welded to the column with a groove, and is ground flat after welding. The bottom plate is arranged on one side of the slot.
[0014] According to one aspect of the utility model, the bottom plate is provided with an opening, the column is inserted into the opening, and the bottom plate is welded to the groove of the column through the opening.
[0015] The advantages of the implementation of the utility model are as follows: before the railing is inserted into the lashing hole of the movable deck, the movable plate and the latch are lifted up for a distance, and then the column fixed with the bottom plate is inserted into the lashing hole, and then the entire railing is moved along the direction of the slot for a distance, so that the edge of the lashing hole of the movable deck is inserted into the slot of the column, thereby limiting the railing from jumping up and down to the movable deck; then the movable plate and the latch are lowered, so that the latch is inserted into the limiting hole of the bottom plate and the lashing hole of the movable deck in sequence, thereby limiting the horizontal movement of the railing to the other side of the movable deck, so that the entire railing can be fixed to the movable deck, and vice versa, it can be disassembled; in this way, the product can be conveniently and quickly disassembled and assembled on the movable deck of the ro-ro ship, plug and play, and easy to operate; at the same time, since the product does not have a conventional deck protruding railing base structure, it does not affect the passage of vehicles, and improves the loading and unloading efficiency. The utility model makes full use of the lashing holes of the automobile movable deck to install the railing, which can well play the role of classifying, isolating and guiding the movable deck. The overall structure of the product is simple, easy to manufacture and process, low cost, and wide range of application. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2Schematic diagram of the installation process when the present utility model is applied;
[0019] Figure 3 Top view of the bottom plate of the present utility model;
[0020] Figure 4 Cross-sectional view of the bottom plate of the present utility model;
[0021] Figure 5 Top view of the movable plate of the present utility model;
[0022] Figure 6 Cross-sectional view of the movable plate of the present utility model.
[0023] The names corresponding to the serial numbers in the figure are as follows:
[0024] 1. Column; 11. Card slot; 2. Bottom plate; 21. Limit hole; 22. Opening; 3. Movable plate; 31. Movable hole; 32. Fixed hole; 4. Plug; 5. Movable deck; 51. Lashing hole. Specific implementation manner
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. In the description of the present utility model, it should be noted that the orientation or positional relationships indicated by the terms "top", "bottom", "one side", "the other side", "front", "rear", "middle part", "inside", "top end", "bottom end", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0026] Embodiment 1
[0027] As Figure 1 - Figure 6As shown in the figure, a portable railing for the movable deck of a roll-on / roll-off ship is installed on the vehicle movable deck 5 of the roll-on / roll-off ship. There are lashing holes 51 on the movable deck 5 of the roll-on / roll-off ship. The railing includes a column 1, a bottom plate 2, a movable plate 3, and a bolt 4. A clamping groove 11 is provided on the side of the bottom end of the column 1. The bottom end of the column 1 is inserted into the lashing hole 51, and the clamping groove 11 is clamped with the edge of the lashing hole 51. The clamping groove 11 is used to clamp the edge of the lashing hole 51 on the upper and one side of the movable deck 5 by the column 1 to prevent the column 1 or the entire railing from jumping. The bottom plate 2 is fixed to the bottom end of the column 1 and on one side above the clamping groove 11. The bottom plate 2 is located above the movable deck 5 and they are in contact and fit. A limiting hole 21 is provided on the bottom plate 2. The length of the limiting hole 21 is slightly greater than the length of the clamping groove 11, so that the bolt 4 can be inserted into the limiting hole 21 while restricting the horizontal movement of the railing to the other side. A movable hole 31 is provided on the movable plate 3. The movable plate 3 is sleeved on the column 1 through the movable hole 31, and the movable plate 3 can be lifted and lowered relative to the column 1. The movable plate 3 is located above the bottom plate 2. The bolt 4 is vertically fixed to the bottom end of the movable plate 3. The bolt 4 is sequentially inserted into the limiting hole 21 and the lashing hole 51. The side of the bottom end of the bolt 4 is close to the edge of the lashing hole 51, so as to restrict the movement of the entire railing to the other side of the movable deck 5 (or the other side position of the clamping groove 11).
[0028] In this embodiment, a fixing hole 32 is also provided on the movable plate 3. The bolt 4 is fixed in the fixing hole 32. Preferably, the fixing hole 32 can be a round hole, and the bolt 4 can be a cylindrical pin. The top end of the bolt 4 is welded in the fixing hole 32, so the structure is more stable. Or, the fixing hole 32 can also be a countersunk threaded hole, and the bolt 4 is a bolt or stud. The top end of the bolt 4 is threadedly connected and fixed in the fixing hole 32. Although this scheme has a certain feasibility, the structural stability is weaker than the previous scheme. In this way, it is convenient to fix the movable plate 3 and the bolt 4 as a whole. The diameter of the fixing hole 32 is 10 mm; the diameter of the bolt 4 is 8 mm, the length is 46 mm, and the material is Q235A. The movable plate 3 is in the shape of an ear plate, or in the shape of a combination of a semi-circular plate and a square plate; its length is 79 mm, the width is 60 mm, and the thickness is 10 mm. The movable hole 31 is a round hole, or a hole formed by a combination of a round hole and a square hole. The radius of the round hole is 18 mm, and the distance between the center of the round hole and the center of the fixing hole 32 is 40 mm.
[0029] In this embodiment, the bottom plate 2 is welded to the bottom end of the column 1; an opening 22 is provided on the bottom plate 2, and the bottom end of the column 1 is inserted into the opening 22. The welding of the bottom plate 2 and the column 1 at the opening 22 should be grooved and ground after welding, so as to avoid the weld foot being too high and affecting the use effect. The radius of the opening 22 is 17.5mm, and the opening 22 is connected to the limiting hole 21. The limiting hole 21 is a strip-shaped hole or a waist-shaped hole, and its diameter or width is 11mm. The distance between the center of the leftmost arc contour and the center of the opening 22 is 58mm. The bottom plate 2 is in the shape of a circular plate, with a diameter of 135mm, a thickness of 6mm, and a material of Q235A; the distance between the bottom surface of the bottom plate 2 and the bottom surface of the column 1 is 33mm.
[0030] In this embodiment, the lashing hole 51 is in the shape of a circular hole. The column 1 is in the shape of a cylinder, and the height between the bottom and the top is 1021.5 mm; its diameter parameter is φ33.5x3.25, and the material is Q235A. The length of the slot 11 is 17 mm, and the height is 8 mm; the structural shape of the slot 11 is adapted to the structural shape of the lashing hole 51.
[0031] In practical applications, the ro-ro ship, the movable deck 5 and the lashing holes 51 are prior art and will not be described in detail.
[0032] The principle of this embodiment is as follows: before the railing is inserted into the lashing hole 51 of the movable deck 5, the movable plate 3 and the latch 4 are lifted up for a distance, and then the column 1 fixed with the bottom plate 2 is inserted into the lashing hole 51, and then the entire railing is moved along the direction of the slot 11 for a distance, so that the edge of the lashing hole 51 of the movable deck 5 is inserted into the slot 11 of the column 1, thereby limiting the railing from jumping up and down toward the movable deck 5; then the movable plate 3 and the latch 4 are lowered, so that the latch 4 is inserted into the limiting hole 21 of the bottom plate 2 and the lashing hole 51 of the movable deck 5 in turn, thereby limiting the railing from moving horizontally to the other side of the movable deck 5, so that the entire railing can be fixed to the movable deck 5, otherwise it can be disassembled.
[0033] The beneficial effects of this embodiment are as follows: this product can be easily and quickly disassembled and assembled on the movable deck 5 of the ro-ro ship, plug and play, and easy to operate; at the same time, since this product does not have a conventional deck protruding railing base structure, it does not affect the passage of vehicles and improves the loading and unloading efficiency. The utility model makes full use of the lashing holes 51 of the automobile movable deck 5 to install the railing, which can play a good role in classifying, isolating and guiding the movable deck 5. Since this product does not need to use a large number of bolts for fixed connection, the disassembly and assembly efficiency is improved, the cost is saved, and the disassembly and assembly is easier. The overall structure of this product is simple, easy to manufacture and process, low cost, and wide range of applications.
[0034] Embodiment 2
[0035] The difference between this embodiment and the first embodiment is that this embodiment provides a method for installing a portable railing on the movable deck of a ro-ro ship, and the steps are as follows:
[0036] Step 1: Move the railing directly above the lashing hole 51 of the movable deck 5 so that the two are aligned, and lift the movable plate 3 and the bolt 4 upward along the upright column 1 by a certain distance;
[0037] Step 2: Insert the upright column 1 fixed with the bottom plate 2 into the lashing hole 51 so that the bottom surface of the bottom plate 2 is in contact with the surface of the movable deck 5;
[0038] Step 3: Move the entire railing along the direction of the slot 11 by a certain distance so that the edge of the lashing hole 51 of the movable deck 5 (or the edge of the movable deck 5) is caught in the slot 11 of the upright column 1;
[0039] Step 4: Lower the movable plate 3 and the bolt 4 so that the bolt 4 is inserted into the limit hole 21 of the bottom plate 2 and the lashing hole 51 of the movable deck 5 in sequence. At this time, the side surface of the bottom end of the bolt 4 is just close to the edge of the lashing hole 51.
[0040] The beneficial effects of this embodiment are as follows: Through the above method steps, the railing can be quickly installed on the movable deck 5 of the ro-ro ship, and conversely, the disassembly is also very convenient.
[0041] Embodiment Three
[0042] The difference between this embodiment and the first embodiment is that the upright column 1 is divided into two parts, that is, the upright column 1 includes a lower column and an upper column, which are rotatably connected. Both of them are provided with locking holes, and fixing pins are arranged in the locking holes.
[0043] In this embodiment, the diameter of the upper column is smaller than that of the lower column, and the height of the upper column is greater than that of the lower column. The two are hinged by a rotating shaft; locking holes are penetrated at the same position in the vertical direction of the two. The locking holes can be pin holes, and fixing pins are inserted into the locking holes to lock and fix the upper column and the lower column.
[0044] In this embodiment, the bottom plate 2 and the movable plate 3 are both connected to the lower column, the slot 11 is arranged on the lower column, and the connection forms of the bottom plate 2, the movable plate 3, and the slot 11 on the lower column are the same as those in the first embodiment.
[0045] The beneficial effects of this embodiment are as follows: When it is necessary to place goods or other situations that require space on the ro-ro ship's movable deck 5, there is no need to disassemble the railing. Just pull out the fixing pin, and then rotate the upper column relative to the lower column, and the railing can be folded; in the normal working state, just operate in the reverse direction, that is, rotate the upper column relative to the lower column to the upright position, and then insert the fixing pin back into the locking hole to fix it. In this way, the use range of this product can be further expanded, and the applicability is stronger; when in use, there is no need to remove the railing, the operation is time-saving and labor-saving, the storage space of the railing is saved, and damage caused by the removal and movement of the railing is avoided.
[0046] Embodiment Four
[0047] The difference between this embodiment and Embodiment One is that this embodiment provides a railing installed on any structural member plane, and there are lashing holes 51 on this structural member plane. The railing includes a column 1, a bottom plate 2, a movable plate 3, and a bolt 4. There is a slot 11 on the column 1. The column 1 is inserted into the lashing hole 51 so that the slot 11 is clamped with the edge of the lashing hole 51. The bottom plate 2 is fixed to the column 1. The bottom plate 2 is arranged on the movable deck 5, and there is a limiting hole 21 on the bottom plate 2. The movable plate 3 is movably connected to the column 1, and the two can move relatively. The bolt 4 is fixed to the movable plate 3, and the bolt 4 is inserted into the limiting hole 21 and the lashing hole 51 in sequence.
[0048] The beneficial effects of this embodiment are as follows: This railing can be applied to any occasion that requires quick disassembly and assembly, with a wide range of applications and convenient use.
[0049] Embodiment Five
[0050] The difference between this embodiment and the above embodiments is that this embodiment provides a ro-ro ship, which includes a portable railing arranged on the movable deck 5 in any of Embodiments One to Four.
[0051] The beneficial effects of this embodiment are as follows: This ro-ro ship can remove or lay down the railing according to the loading and unloading requirements, which is convenient for the transport vehicle to drive onto the movable deck 5, saves manpower and material resources, and improves the loading and unloading efficiency of goods.
[0052] As mentioned above, only the specific embodiments of the present invention are described, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims
1. A portable handrail for a movable deck of a ro-ro ship, wherein the movable deck (5) is provided with lashing holes (51), characterized in that: The handrail comprises a column (1), a bottom plate (2), a movable plate (3), and a latch (4); the column (1) is provided with a slot (11); the column (1) is inserted into a lashing hole (51) so that the slot (11) is snap-fitted with the edge of the lashing hole (51); the bottom plate (2) is fixed to the column (1); the bottom plate (2) is arranged on a movable deck (5); a limiting hole (21) is arranged on the bottom plate (2); the movable plate (3) is movably connected to the column (1) so that the two can move relative to each other; the latch (4) is fixed to the movable plate (3); the latch (4) is sequentially inserted into the limiting hole (21) and the lashing hole (51).
2. The portable handrail for the movable deck of a ro-ro ship according to claim 1, characterized in that: The movable plate (3) is provided with a movable hole (31), and the movable plate (3) is sleeved on the column (1) through the movable hole (31). The movable plate (3) can be raised and lowered relative to the column (1).
3. The portable handrail for the movable deck of a ro-ro ship according to claim 1, characterized in that: The length of the limiting hole (21) is greater than the length of the clamping slot (11).
4. The portable handrail for the movable deck of a ro-ro ship according to claim 2, characterized in that: The movable plate (3) is also provided with a fixing hole (32), and the latch (4) is fixed in the fixing hole (32).
5. The portable handrail for the movable deck of a ro-ro ship according to claim 4, characterized in that: The fixing hole (32) is a round hole, the plug pin (4) is a cylindrical pin, and one end of the plug pin (4) is welded in the fixing hole (32).
6. The portable handrail for the movable deck of a ro-ro ship according to claim 4, characterized in that: The fixing hole (32) is a threaded hole, the latch pin (4) is a bolt or a stud, and one end of the latch pin (4) is threadedly connected and fixed in the fixing hole (32).
7. The portable handrail for the movable deck of a ro-ro ship according to claim 1, characterized in that: The upright column (1) comprises a lower column and an upper column, which are rotatably connected and both are provided with locking holes, wherein a fixing pin is provided in the locking hole.
8. The portable handrail for the movable deck of a ro-ro ship according to claim 7, characterized in that: The bottom plate (2) and the movable plate (3) are both connected to the lower column, and the clamping slot (11) is arranged on the lower column.
9. The portable handrail for the movable deck of a ro-ro ship according to claim 1, characterized in that: The bottom plate (2) and the column (1) are welded with grooves and ground flat after welding. The bottom plate (2) is arranged on one side of the clamping groove (11).
10. The portable handrail for the movable deck of a ro-ro ship according to claim 9, characterized in that: The bottom plate (2) is provided with an opening (22), the column (1) is inserted into the opening (22), and the bottom plate (2) is welded to the groove of the column (1) through the opening (22).