Rotary rubber fender
By designing a combination of two sets of rotatable rubber rollers, guide grooves, and spring shock absorbers, the problems of small contact area and limited buffering effect of existing rotating rubber fenders are solved, achieving multi-level energy absorption and structural stability, and adapting to the protection needs of ships of different tonnages.
Patent Information
- Application Number
- CN202520361133.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing rotating rubber fenders have a small contact area with the ship due to the structure of a single rubber roller, resulting in insufficient dispersion of collision force. The buffering method is singular and has limited effect, which cannot effectively disperse and absorb collision energy, thus affecting the protective performance.
A rotating rubber fender is designed, which uses two sets of rotatable rubber rollers in conjunction with guide grooves, combined with spring shock absorbers and distributed buffer structures. Through rolling friction and multi-stage energy absorption, the impact force is dispersed and evenly transmitted. The structural stability and maintenance convenience are improved by using a limiting frame and modular design.
It significantly improves energy absorption rate and structural stability, reduces hull wear, expands application scenarios, adapts to the protection needs of ships of different tonnages, prevents component dislocation and overload deformation, and extends service life.
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Figure CN223907440U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rubber fender technical field especially is involved in a kind of rotary rubber fender. BACKGROUND
[0002] According to the difference of structure and function, rubber fender can be divided into drum fender, D type fender, V type fender, cylindrical fender, rotary fender and multiple types to adapt to different use environment and demand.Its characteristics include high energy absorption, moderate reaction force, strong weather resistance, easy installation and maintenance, etc., and has wide application value in modern port and shipping industry.
[0003] At present, the existing rotary rubber fender is small in contact area with ship due to the structure design of single rubber roller when in use, cannot fully disperse collision force in protection process, is prone to cause local excessive stress, can cause damage to ship and wharf facilities, and the existing rotary rubber fender mainly relies on the elasticity of rubber roller itself to buffer and unload force, the buffering mode is single and the buffering effect is limited, cannot effectively realize uniform dispersion and efficient absorption of collision energy, to some extent, affects its protection performance, and it is difficult to meet the high requirements of ship anti-collision protection under complex working conditions.
[0004] Based on this, we propose a rotary rubber fender to solve the above-mentioned problems. CONTENT OF THE UTILITY MODEL
[0005] The purpose of this part is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments.In this part, as well as the abstract of the specification and the utility model name, some simplification or omission may be made to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.
[0006] Therefore, the utility model aims at providing a rotary rubber fender, which can solve the problems of small contact area with ship, insufficient collision force dispersion, single buffering mode and limited buffering effect caused by the single rubber roller structure of the existing rotary rubber fender.
[0007] To solve the above technical problems, the utility model provides a rotary rubber fender, adopts the following technical scheme: a fixed base is provided, a collision buffer assembly is installed in the inside of the fixed base, a limiting frame is further connected between the collision buffer assembly and the fixed base, the collision buffer assembly includes a collision buffer component, two groups of rubber rollers are further rotationally connected to the top of the collision buffer component;
[0008] The collision buffering component comprises a supporting bottom plate, the top of both ends of the supporting bottom plate is provided with a first triangular plate, the top of both groups of the first triangular plates is provided with an axle hole, the middle of the top of the supporting bottom plate is connected with a second triangular plate, and the top of the second triangular plate is provided with a guide groove.
[0009] Optionally, the two sides of the first triangular plate and the second triangular plate are provided with guide sliding blocks, and the bottom of the guide sliding block is further connected with a spring shock absorber.
[0010] Optionally, a rolling shaft is connected between the two groups of rubber rollers, the rolling shaft is matched with the guide groove structure, the rolling shaft and the guide groove are in sliding fit, one end of the two groups of rubber rollers is provided with a connecting rotating shaft, and the connecting rotating shaft and the axle hole are in rotating fit.
[0011] Optionally, an embedded groove is formed in the inside of the fixed base, a plurality of guide sliding grooves are formed in the inner walls of the two sides of the embedded groove, the guide sliding groove is matched with the guide sliding block structure, the guide sliding groove and the guide sliding block are in sliding fit, and the spring shock absorber is fixedly connected between the guide sliding groove and the guide sliding groove.
[0012] Optionally, a plurality of fixed holes are formed in the two sides of the fixed base and the limiting frame, and side side baffle plates are further connected to the bottom of the two ends of the limiting frame.
[0013] Optionally, the side side baffle plate is matched with the supporting bottom plate structure, and the side side baffle plate and the embedded groove are in plug-in fit.
[0014] In summary, the utility model has at least one beneficial effect as follows:
[0015] 1. The rotating rubber fender designed in the scheme, through the setting two groups of rotatable rubber rollers and the guide groove matched with the rubber rollers, the ship collision force can be converted into rolling friction through the rotation of the rollers, the abrasion of the ship body is reduced, the sliding buffer of the rolling shaft along the guide groove is utilized, the preliminary dispersion of the impact force and the energy conversion are realized, the spring shock absorber is arranged between the first triangular plate, the second triangular plate and the guide sliding groove, the spring can be compressed to form elastic potential energy when colliding, multi-stage energy absorption is realized, the damage risk of the instantaneous impact on the wharf structure is reduced, the plug-in fit of the limiting frame and the side side baffle plate can limit the sliding stroke of the collision buffering component, the dislocation or overload deformation of the component is prevented, the modular design of the fixed hole realizes quick disassembly and maintenance, and the service life is improved.
[0016] 2. The rotating rubber fender designed in the scheme can uniformly transmit the concentrated impact force to the multiple anchoring points of the fixed base through the distributed layout of the supporting bottom plate, the first triangular plate and the second triangular plate, and can ensure the stability of the buffering path and avoid structural deviation failure through the precise cooperation of the guide sliding block and the guide sliding groove, so that the protection requirements of different tonnage ships can be adapted by adjusting the length of the guide sliding groove and the stiffness parameters of the spring shock absorber, the application scenarios of the fender are expanded, the full coverage anti-collision protection from small fishing boats to large cargo ship wharfs is realized, and through the above, the rotating rubber fender designed in the scheme solves the problems of easy damage of traditional fenders under single-point stress and low buffering efficiency through the innovative design of double-roller rotation buffering, spring shock absorption and energy absorption, energy absorption rate, structural stability and environmental adaptability are significantly improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0018] Figure 1 It is the overall structure schematic diagram of the present application.
[0019] Figure 2 It is the structure schematic diagram of the collision buffering assembly of the present application.
[0020] Figure 3 It is the structure schematic diagram of the collision buffering component of the present application.
[0021] Figure 4 It is the structure schematic diagram of the rubber roller of the present application.
[0022] Figure 5 It is the structure schematic diagram of the fixed base of the present application.
[0023] Figure 6 It is the structure schematic diagram of the limiting frame of the present application.
[0024] Explanation of reference numerals: 1, fixed base; 2, collision buffering assembly; 3, limiting frame; 4, collision buffering component; 5, rubber roller; 6, supporting bottom plate; 7, first triangular plate; 8, shaft hole; 9, second triangular plate; 10, guide groove; 11, guide sliding block; 12, spring shock absorber; 13, rolling shaft; 14, connecting rotating shaft; 15, embedded groove; 16, guide sliding groove; 17, fixed hole; 18, side baffle. DETAILED DESCRIPTION
[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0026] Embodiment: Refer to Figures 1 to 6 The utility model provides an embodiment, a kind of rotary rubber fender, including fixed pedestal 1, the inside installation of fixed pedestal 1 is connected with limiting frame 3 still between the impact buffer assembly 2 of fixed pedestal 1, impact buffer assembly 2 includes impact buffer component 4, the top of impact buffer component 4 is also rotationally connected with two groups of rubber roller 5, impact buffer component 4 includes support base plate 6, the top of both ends of support base plate 6 is equipped with first triangular plate 7, the top of two groups of first triangular plate 7 is equipped with shaft hole 8, the top of support base plate 6 middle part is connected with second triangular plate 9, and the top of second triangular plate 9 is equipped with guide recess 10, by being equipped with two groups of rotatable rubber roller 5 and the guide recess 10 matched with it, ship impact force can be converted into rolling friction by roller rotation, reduce ship body abrasion, simultaneously utilize the sliding buffer of rolling shaft 13 along guide recess 10, realize the preliminary dispersion of impact force and energy conversion, the two sides of first triangular plate 7 and second triangular plate 9 are equipped with guide sliding block 11, and the bottom of guide sliding block 11 is also connected with spring shock absorber 12, by the spring shock absorber 12 of guide sliding block 11 bottom additional, the spring shock absorber 12 as elastic element can be extruded compression by guide sliding block 11 when impact, by spring deformation, part of impact energy is converted into elastic potential energy, can form second stage buffer (first stage is rubber roller 5 deformation), it and the rotation buffer of rubber roller 5 synergistic effect, realize the staged absorption of energy, significantly reduce instantaneous impact force to the damage of wharf structure.
[0027] The rolling shaft 13 is matched with the guide groove 10, and the rolling shaft 13 and the guide groove 10 are in sliding fit. One end of each of the two groups of rubber rollers 5 is provided with a connecting rotating shaft 14, and the connecting rotating shaft 14 and the shaft hole 8 are in rotating fit. The two groups of rubber rollers 5 can be connected in series as a whole structure through the rolling shaft 13, so that the two groups of rubber rollers 5 can rotate synchronously, the contact area with the ship can be increased, the concentrated collision force can be dispersed on the two groups of rubber rollers 5, the local deformation or tearing of the rubber roller 5 caused by single-point stress is avoided, the impact resistance of the rubber fender is effectively improved, the inner embedded groove 15 is arranged in the fixed base 1, a plurality of guide sliding grooves 16 are arranged on the inner walls of the inner embedded groove 15, the guide sliding grooves 16 are matched with the guide sliding blocks 11, the guide sliding grooves 16 and the guide sliding blocks 11 are in sliding fit, and the spring shock absorber 12 is fixedly connected between the guide sliding grooves 16. The inner embedded groove 15 serves as a mounting base of the collision buffer assembly 2, can provide precise positioning space for the first triangular plate 7, the second triangular plate 9 and the guide sliding block 11, can ensure that the initial positions of the components are aligned, and through the sliding fit of the guide sliding grooves 16 and the guide sliding blocks 11, the movement track of the collision buffer component 4 can be constrained, so that the collision buffer component 4 can only move in the preset straight line direction perpendicular to the ship collision direction, and the structure is prevented from being stuck or failed due to lateral deviation.
[0028] A plurality of fixed holes 17 are arranged on the two sides of the fixed base 1 and the limiting frame 3, and side baffle plates 18 are further connected to the bottoms of the two ends of the limiting frame 3. Through the plurality of fixed holes 17 symmetrically arranged on the two sides of the fixed base 1 and the limiting frame 3, the collision buffer assembly 2 can be connected between the fixed base 1 and the limiting frame 3 by means of bolts and other fasteners penetrating the fixed holes 17, so as to realize modular assembly and rigid constraint. The side baffle plates 18 are matched with the support bottom plate 6, and the side baffle plates 18 and the inner embedded groove 15 are in plug-in fit. Through the plug-in fit structure design between the side baffle plates 18 and the inner embedded groove 15, the two ends of the limiting frame 3 mounted on the top of the fixed base 1 can be guided, so as to avoid assembly deviation. The side baffle plates 18 inserted into the two ends of the fixed base 1 can also have the effect of closing and protecting the two ends of the inner embedded groove 15.
[0029] Working principle: the rotating type rubber fender designed in the scheme, through setting two groups of rotatable rubber rollers 5 and the matched guide groove 10, can make the ship collision force through the roller rotation into rolling friction, reduce the ship body wear, at the same time, utilize the sliding buffer of rolling shaft 13 along the guide groove 10, realize the preliminary dispersion of impact force and energy conversion, through setting spring shock absorber 12 between the first triangular plate 7, the second triangular plate 9 and the guide sliding groove 16, can compress the spring to form elastic potential energy when colliding, realize multi-stage energy absorption, reduce the damage risk of instantaneous impact to the wharf structure, through the plug-in cooperation of limiting frame 3 and side baffle 18, can limit the sliding stroke of collision buffer component 4, prevent the dislocation or overload deformation of the component, at the same time, through the modular design of fixed hole 17, realize quick disassembly and maintenance, improve the service life.
[0030] The rotating type rubber fender designed in the scheme, through the distributed layout of supporting bottom plate 6, first triangular plate 7 and second triangular plate 9, can uniformly transmit the concentrated impact force to the multiple anchor points of fixed base 1, combine the precise cooperation of guide sliding block 11 and guide sliding groove 16, ensure the stability of buffer path, avoid the structural deviation failure, through adjusting the length of guide sliding groove 16 and the stiffness parameters of spring shock absorber 12, can adapt to the protection requirements of different tonnage ships, expand the application scenarios of fender, realize the full coverage of anti-collision protection from small fishing boats to large cargo ship wharfs.
[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A rotating rubber fender comprising a fixed base (1), characterized in that: The inside of the fixed base (1) is provided with a collision buffering assembly (2), the collision buffering assembly (2) is connected with a limiting frame (3) between the fixed base (1), the collision buffering assembly (2) comprises a collision buffering component (4), the top of the collision buffering component (4) is rotatably connected with two groups of rubber rollers (5); The collision buffering component (4) comprises a supporting bottom plate (6), the both ends of the top of the supporting bottom plate (6) are provided with first triangular plates (7), the top of the two groups of first triangular plates (7) is provided with shaft holes (8), the top of the supporting bottom plate (6) is connected with a second triangular plate (9), the top of the second triangular plate (9) is provided with a guide groove (10).
2. A rotary rubber fender according to claim 1, characterized in that: The both sides of the first triangular plate (7) and the second triangular plate (9) are provided with guide sliding blocks (11), the bottom of the guide sliding block (11) is further connected with a spring shock absorber (12).
3. A rotary rubber fender according to claim 2, wherein: The two groups of rubber rollers (5) are connected with rolling shafts (13), the rolling shafts (13) are matched with the guide grooves (10), the rolling shafts (13) and the guide grooves (10) are in sliding fit, one end of the two groups of rubber rollers (5) is provided with a connecting rotating shaft (14), the connecting rotating shaft (14) and the shaft hole (8) are in rotating fit.
4. A rotary rubber fender according to claim 3, wherein: The inside of the fixed base (1) is provided with an embedded groove (15), the both sides of the inner wall of the embedded groove (15) are provided with a plurality of guide sliding grooves (16), the guide sliding grooves (16) are matched with the guide sliding blocks (11), the guide sliding grooves (16) and the guide sliding blocks (11) are in sliding fit, the spring shock absorber (12) is fixedly connected between the guide sliding grooves (16) and the guide sliding grooves (16).
5. A rotary rubber fender according to claim 4, wherein: The both sides of the fixed base (1) and the limiting frame (3) are provided with a plurality of fixed holes (17), the both ends of the bottom of the limiting frame (3) are further connected with side baffles (18).
6. A rotary rubber fender according to claim 5, wherein: The side baffle (18) is matched with the supporting bottom plate (6), the side baffle (18) and the embedded groove (15) are in plug-in fit.