CN113386907B - Comprehensive vibration damper for container ship lashing bridge - Google Patents
Comprehensive vibration damper for container ship lashing bridge Download PDFInfo
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- CN113386907B CN113386907B CN202110831836.6A CN202110831836A CN113386907B CN 113386907 B CN113386907 B CN 113386907B CN 202110831836 A CN202110831836 A CN 202110831836A CN 113386907 B CN113386907 B CN 113386907B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/28—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for deck loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0081—Vibration isolation or damping elements or arrangements, e.g. elastic support of deck-houses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/28—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for deck loads
- B63B2025/285—Means for securing deck containers against unwanted movements
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Abstract
The invention discloses a comprehensive vibration damper for a container ship lashing bridge, belonging to the field of vibration damping of lashing bridges, wherein the lashing bridge is embedded in a deck; the pressure bearing bridge is of an inverted trapezoidal structure, and two reinforcing plates for stabilizing the structure are respectively arranged at the positions of two upper corners of the pressure bearing bridge; a plurality of groups of rollers are fixed on the outer side surfaces of two bevel edges of the pressure bearing bridge, and the rollers slide in the slide ways; one end of a plurality of groups of springs is fixed on the lateral supporting column, the other end of the springs is fixed with the bottom surface of the slideway, the springs are sequentially arranged from top to bottom, the length of the springs is gradually increased, and the upper end of the slideway is hinged with the lateral supporting column through a plug bush; the limiting plates are fixed at the bottom of the damping device and are arranged in parallel with the lateral supporting columns, and four groups of the combination of the slide ways, the springs and the pulleys are symmetrically arranged on the bearing plate. The vibration reduction device has the beneficial effects that the recursive reduction type vibration reduction method is adopted, vibration is reduced in multiple stages, the vibration reduction effect is good, the linkage effect among multiple stages of vibration reduction devices is good, and the vibration reduction continuity is good.
Description
Technical Field
The invention relates to the field of lashing bridge vibration reduction, in particular to a comprehensive vibration reduction device for a lashing bridge of a container ship.
Background
In recent years, with the continuous development of shipping industry, the frequency of container ships is continuously increasing, and the container ships are more and more favored by the international transportation market and become one of the mainstream ship types of the shipping market. However, the problem also follows that the container ship is characterized by a large opening, which also directly affects the structural rigidity; in addition, because the containers are stacked highly, the height of an upper building is increased, the rigidity is reduced, the vibration problem of the container ship is very prominent, and the vibration of the lashing bridge is influenced. The vibration of the lashing bridge can cause cracks to appear at the stress concentration part in the lashing bridge structure, so that the service life of the structure is shortened; meanwhile, the lashing bridge is loose, so that the container has the possibility of falling into the sea. Therefore, it is essential to damp lashing bridges of container ships.
The existing lashing bridge vibration damping devices are few and few, and generally are directly connected by welding. The connecting mode enables the service life of the lashing bridge to be short, and the lashing bridge hardly has the vibration reduction effect. Therefore, a vibration damping device with high comprehensive performance and multiple directions is needed.
The invention patent with the application number of 202110073826.0 discloses a container lashing bridge damping device, and discloses a lashing bridge base damping device based on a container ship, which comprises a lashing bridge, wherein the lashing bridge penetrates into a ship body downwards, an upper damping plate and a lower damping plate are sequentially arranged below the lashing bridge, the upper damping plate is connected with the lashing bridge through a pressure spring, the upper damping plate and the lower damping plate can generate displacement along with the deformation of the pressure spring in the vertical direction, a plurality of primary damping devices are arranged between the upper damping plate and the lower damping plate, damping springs are arranged between the primary damping devices and between the lower damping plate and the primary damping devices, fixing cabins are arranged on two sides of the primary damping devices, the fixing cabins are fixedly connected with the ship body, a plurality of secondary damping devices are arranged in the fixing cabins, and the secondary damping devices correspond to the primary damping devices one to one and are elastically connected with each other; a plurality of horizontal three-level damping devices are arranged below the lower damping plate, and the three-level damping devices are fixedly connected with the ship body and the three-level damping devices through connecting springs. The technical scheme that this patent is disclosed transversely the damping effect poor, because the main part adopts the structure of spring and damping plate and ligature bridge dead weight great, damping device just has taken place the compression of great degree when the ligature bridge does not take place the vibration, leads to the damping effect not good.
Disclosure of Invention
In order to solve the problems, the invention provides a comprehensive vibration damper for a container ship lashing bridge, wherein the lashing bridge is embedded in a deck; the device comprises a transverse limiting device, wherein the transverse limiting device comprises a bearing bridge, rollers, a limiting plate, a spring, a plug bush, a slideway and a lateral supporting column, the bearing bridge is of an inverted trapezoidal structure, and two reinforcing plates for stabilizing the structure are respectively arranged at the positions of two upper corners of the bearing bridge; a plurality of groups of rollers are fixed on the outer side surfaces of two bevel edges of the pressure bearing bridge, and the rollers slide in the slide ways; one end of a plurality of groups of springs is fixed on the lateral supporting column, the other end of the springs is fixed with the bottom surface of the slideway, the springs are sequentially arranged from top to bottom, the length of the springs is gradually increased, and the upper end of the slideway is hinged with the lateral supporting column through a plug bush; the limiting plates are fixed at the bottom of the damping device and are arranged in parallel with the lateral supporting columns, and four groups of the combination of the slide ways, the springs and the pulleys are symmetrically arranged on the bearing plate.
Preferably, the air bag vibration damping device comprises two groups of air bag vibration damping devices which are symmetrically arranged, each air bag vibration damping device comprises an air bag, an air connecting pipeline and an air collector, the upper edge of the pressure bearing bridge, the two reinforcing plates and the side edge of the pressure bearing bridge form an accommodating cavity with an opening at the lower part, the air bags are arranged in the accommodating cavities, and the upper parts of the air bags are contacted with the lower surface of the pressure bearing bridge; the air bag is connected with the air collector through an air connecting pipeline; when the air bag bears pressure, air is extruded into the air collector from the air bag; the gas collector delivers air back into the bladder when the pressure to which the bladder is subjected is reduced.
Preferably, the damping device comprises a spring matrix structure damping device and a central plate, wherein the spring matrix structure damping device comprises a bearing plate, a lateral plate, a longitudinal spring, a spring skid and a transverse spring, one end of the bearing plate is fixedly connected with the lateral plate, and the other end of the bearing plate is fixedly connected with the upper end of the supporting rod; the upper half part of the central plate is arranged above the bearing plates, the upper end of the central plate is not contacted with the bearing bridge, the lower half part of the central plate is arranged between the two bearing plates, the lower part of the central plate is suspended, and the bearing plates are not contacted with the central plate; one end of the transverse spring is fixedly connected with the lateral plate, the other end of the transverse spring is connected with the lower part of the central plate, and the spring skid is provided with a plurality of groups which are sleeved on the transverse spring and can slide on the transverse spring; the longitudinal springs correspond to the spring skids one by one, one ends of the longitudinal springs are fixed with the spring skids, and the other ends of the longitudinal springs are fixed on the lower surface of the bearing plate; the transverse springs, the longitudinal springs and the spring skid form a spring matrix together, and a plurality of groups of the spring matrix are arranged below the bearing plate.
Preferably, the damping device with the spring matrix structure further comprises a rotating shaft, a blocking block, a limiting rod and a limiting spring, wherein the limiting rod is arranged on the lower side of the spring matrix, one end of the limiting rod is fixedly connected with the lateral plate, three groups of rotating shafts are fixed on the limiting rod, the blocking block is fixed on the rotating shaft, the limiting spring is used for limiting the rotation of the blocking block, and the upper portion of the blocking block plays a role in limiting the sliding of the spring skid.
Preferably, the damping cylinder compression vibration damper comprises a pressure transmission rod, a second decompression cylinder, a piston, damping fluid and a damping fluid channel, the piston is connected to the lower portion of the pressure transmission rod, the second decompression cylinder is divided into two cylinder cavities, the piston is only arranged in one cylinder cavity, the two cylinder cavities are communicated through the damping fluid channel and are respectively filled with the damping fluid, the pressure transmission rod is arranged below the central plate, and when the central plate moves downwards for a certain distance, the upper portion of the pressure transmission rod is in contact with the central plate.
Preferably, the damping cylinder compression vibration damper further comprises a first decompression cylinder, a decompression spring is arranged in the first decompression cylinder, and the decompression spring is connected with the pressure transmission rod through a dowel bar.
Preferably, the lower end of the supporting rod is fixed on a first decompression cylinder, and the first decompression cylinder is fixed at the bottom of the comprehensive vibration damper of the whole container ship lashing bridge.
Preferably, the air bags comprise two groups which are arranged in an overlapping mode, the upper air bag is small in size, and the lower air bag is large in size.
The invention has the beneficial effects that: when the binding bridge vibrates, the force generated by vibration is transmitted to the slideway type roller vibration reduction and the damping cylinder compression type vibration reduction through the pressure bearing bridge and the central plate respectively, and the roller slides downwards along the slideway to compress the bottom spring vibration reduction and the pressure transmission rod to compress the spring and the damping liquid so as to achieve the vibration reduction effect. Then the vibration is reduced by compressing the air bag. If the vibration frequency is too large, the force is transmitted to the spring structure vibration damping device through the bearing plate, the spring skid is stressed to move downwards, and the spring is compressed, so that the vibration damping effect is achieved. When the spring sled is blocked by the stop bar, the force generated at this time is reduced by the stop spring. The invention can be seen from the above that the recursive reduction type vibration reduction method is adopted, vibration is reduced in multiple stages, the vibration reduction effect is good, the linkage effect among multiple stages of vibration reduction devices is good, and the vibration reduction continuity is good.
Drawings
FIG. 1 installation position diagram of lashing bridge;
FIG. 2 is an overall perspective view of the integrated damping device for a lashing bridge of a container ship according to the present invention;
FIG. 3 is an elevational view, in cross section, of the slideway roller vibration damping device of the present invention;
FIG. 4 is a front sectional view of the airbag vibration damping device of the present invention;
FIG. 5 is a front sectional view of the spring structure damping device of the present invention;
FIG. 6 is a front sectional view of the compression type vibration damping device of the damping cylinder according to the present invention;
fig. 7 is a perspective view of the compression type vibration damper of the damping cylinder of the present invention together with a center plate.
Wherein: 1-binding bridge, 2-deck, 3-transverse limiting device, 4-air bag damping device, 5-spring matrix structure damping device, 6-damping cylinder compression damping device, 7-central plate, 3-1-bearing bridge, 3-2-roller, 3-3-spring, 3-4-limiting plate, 3-5-hosel, 3-7-slideway, 3-8-lateral supporting column, 4-1-air bag, 4-2-gas connecting pipeline, 4-3-gas collector, 5-1-bearing plate, 5-2-longitudinal spring, 5-3-spring skid, 5-4-lateral plate, 5-5-limiting rod, 5-6-limiting spring, 5-7-transverse spring, 5-8 rotating shaft, 5-9 blocking block, 6-1 pressure transmission rod, 6-2-decompression spring, 6-3-damping liquid, 6-4-liquid damping liquid channel, 6-5-piston, 6-6 first decompression cylinder, 6-7 second decompression cylinder, 7-center plate and 8-supporting rod.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Implementation mode one
A container ship lashing bridge comprehensive vibration damper, wherein a lashing bridge 1 is embedded in a deck 2; the bearing bridge is characterized by further comprising a transverse limiting device 3, the transverse limiting device comprises a bearing bridge 3-1, rollers 3-2, limiting plates 3-4, springs 3-3, plug bushes 3-5, slideways 3-7 and lateral supporting columns 3-8, the bearing bridge 3-1 is of an inverted trapezoidal structure, two reinforcing plates are arranged at two upper corners of the bearing bridge 3-1 and used for stabilizing the structure, a lower opening containing cavity is formed by the upper side of the bearing bridge 3-1, the two reinforcing plates and the side edge of the bearing bridge, and the air bag damping device 4 is arranged in the containing cavity. A plurality of groups of rollers 3-2 are fixed on the outer side surfaces of two bevel edges of the pressure bearing bridge 3-1, and the rollers 3-2 slide in the slideways 3-7; one end of a plurality of groups of springs 3-3 is fixed on the lateral supporting column 3-8, the other end of the springs 3-3 is fixed with the bottom surface of the slide way 3-7, the springs 3-3 are sequentially arranged from top to bottom, the length of the springs is gradually increased, and the upper end of the slide way 3-7 is hinged with the lateral supporting column 3-8; the limiting plates 3-4 are fixed at the bottom of the damping device and are arranged in parallel with the lateral supporting columns 3-8, and four groups of the combination of the slideways 3-7, the springs 3-3 and the pulleys 3-2 are symmetrically arranged on the bearing plate.
Second embodiment
A container ship lashing bridge comprehensive vibration damper, wherein a lashing bridge 1 is embedded in a deck 2; the bearing bridge is characterized by further comprising a transverse limiting device 3 and an air bag vibration damper 4, wherein the transverse limiting device comprises a bearing bridge 3-1, rollers 3-2, limiting plates 3-4, springs 3-3, plug bushes 3-5, slideways 3-7 and lateral supporting columns 3-8, the bearing bridge 3-1 is of an inverted trapezoidal structure, two reinforcing plates are arranged at two upper corners of the bearing bridge 3-1 and used for stabilizing the structure, a lower opening containing cavity is formed by the upper edge of the bearing bridge 3-1, the two reinforcing plates and the side edge of the bearing bridge, and the air bag vibration damper 4 is arranged in the containing cavity. A plurality of groups of rollers 3-2 are fixed on the outer side surfaces of two bevel edges of the pressure bearing bridge 3-1, and the rollers 3-2 slide in the slideways 3-7; one end of a plurality of groups of springs 3-3 is fixed on the lateral supporting column 3-8, the other end of the springs 3-3 is fixed with the bottom surface of the slide way 3-7, the springs 3-3 are sequentially arranged from top to bottom, the length of the springs is gradually increased, and the upper end of the slide way 3-7 is hinged with the lateral supporting column 3-8; the limiting plates 3-4 are fixed at the bottom of the damping device and are arranged in parallel with the lateral supporting columns 3-8, and four groups of the combination of the slideways 3-7, the springs 3-3 and the pulleys 3-2 are symmetrically arranged on the bearing plate.
The air bag vibration damping devices 4 are symmetrically provided with two groups, each group comprises an air bag 4-1, an air connecting pipeline 4-2 and an air collector 4-3, the air bags 4-1 are arranged in the accommodating cavities, the upper parts of the air bags are in contact with the lower surface of the pressure bearing bridge 3-1, and the air bags are fixed at the bottom of the comprehensive vibration damping device of the container ship lashing bridge; the air bag 4-1 is connected with the air collector 4-3 through an air connecting pipeline 4-2; when the air bag 4-1 bears pressure, air is extruded into the air collector 4-3 from the air bag 4-1; when the pressure experienced by the bladder 4-1 decreases, the gas collector 4-3 delivers air back to the bladder 4-1.
Detailed description of the invention
As shown in fig. 1 to 3, the invention provides a container ship lashing bridge comprehensive vibration damping device, wherein a lashing bridge 1 is embedded in a deck 2; the damping device also comprises a central plate 7, a transverse limiting device 3, an air bag damping device 4, a spring matrix structure damping device 5 and a damping cylinder compression type damping device 6. The transverse limiting device comprises a pressure bearing bridge 3-1, rollers 3-2, limiting plates 3-4, springs 3-3, plug bushes 3-5, slideways 3-7 and lateral supporting columns 3-8, the pressure bearing bridge 3-1 is of an inverted trapezoidal structure, two reinforcing plates are arranged at two upper corners of the pressure bearing bridge and used for stabilizing the structure, the upper edge of the pressure bearing bridge 3-1, the two reinforcing plates and the side edge of the pressure bearing bridge form a containing cavity with an opening in the lower portion, and the airbag damping device 4 is arranged in the containing cavity. A plurality of groups of rollers 3-2 are fixed on the outer side surfaces of two bevel edges of the pressure bearing bridge 3-1, and the rollers 3-2 slide in the slideways 3-7; one end of a plurality of groups of springs 3-3 is fixed on the lateral supporting column 3-8, the other end of the springs 3-3 is fixed with the bottom surface of the slide way 3-7, the springs 3-3 are sequentially arranged from top to bottom, the length of the springs is gradually increased, and the upper end of the slide way 3-7 is hinged with the lateral supporting column 3-8; the limiting plates 3-4 are fixed at the bottom of the damping device and are arranged in parallel with the lateral supporting columns 3-8, and four groups of the combination of the slideways 3-7, the springs 3-3 and the pulleys 3-2 are symmetrically arranged on the bearing plate.
As shown in fig. 4, the air bag vibration damper 4 is symmetrically provided with two groups, which comprise an air bag 4-1, an air connecting pipeline 4-2 and an air collector 4-3, the air bag 4-1 is arranged in the accommodating cavity, the upper part of the air bag is contacted with the lower surface of the pressure bearing bridge 3-1, and the air bag is integrally fixed on the spring matrix structure vibration damper 5; the air bag 4-1 is connected with the air collector 4-3 through an air connecting pipeline 4-2; when the air bag 4-1 bears pressure, air is extruded into the air collector 4-3 from the air bag 4-1; when the pressure experienced by the bladder 4-1 decreases, the gas collector 4-3 delivers air back to the bladder 4-1.
As shown in fig. 5, the damping device 5 with the spring matrix structure comprises a bearing plate 5-1, a lateral plate 5-4, a longitudinal spring 5-2, a spring skid 5-3, a limiting rod 5-5, a limiting spring 5-6, a transverse spring 5-7, a rotating shaft 5-8 and a blocking block 5-9, wherein one end of the bearing plate 5-1 is fixedly connected with the lateral plate 5-4, and the other end thereof is fixedly connected with the upper end of a supporting rod 8; the upper half part of the central plate 7 is arranged between the two groups of air bags 4-1, when the air bags 4-1 are in an uncompressed state, the upper part of the central plate 7 is not contacted with the pressure-bearing bridge 3-1, the lower half part of the central plate 7 is arranged between the two pressure-bearing plates 5-1, the lower part of the central plate is suspended, and the pressure-bearing plates 5-1 are not contacted with the central plate 7; one end of the transverse spring 5-7 is fixedly connected with the lateral plate 5-4, the other end is connected with the lower part of the central plate 7, and the spring skid 5-3 is provided with a plurality of groups which are sleeved on the transverse spring 5-7 and can slide on the transverse spring 5-7; the longitudinal springs 5-2 correspond to the spring skids 5-3 one by one, one ends of the longitudinal springs are fixed with the spring skids 5-3, and the other ends of the longitudinal springs are fixed on the lower surface of the bearing plate 5-1; the transverse springs 5-7, the longitudinal springs 5-2 and the spring skids 5-3 form a spring matrix structure together, and a plurality of groups of the spring matrix structure are symmetrically arranged on the lower side of the bearing plate 5-1; the limiting rod 5-5 is arranged on the lower side of the spring matrix structure, one end of the limiting rod is fixedly connected with the lateral plate 5-4, three groups of rotating shafts 5-8 are fixed on the limiting rod 5-5, the blocking blocks 5-9 are fixed on the rotating shafts 5-8, the limiting spring 5-6 is used for limiting the rotation of the blocking blocks 5-9, and the upper parts of the blocking blocks 5-9 play a role in limiting the sliding of the spring skid 5-3.
As shown in fig. 6 to 7, the damping cylinder compression vibration damper comprises a pressure transmission rod 6-1, a first decompression cylinder 6-6 and a second decompression cylinder 6-7, wherein the first decompression cylinder 6-6 comprises a decompression spring 6-2, the second decompression cylinder 6-7 comprises a piston 6-5, a damping liquid 6-3 and a damping liquid channel 6-4, the first decompression cylinder 6-6 and the second decompression cylinder 6-7 are arranged at the lower part of the pressure transmission rod 6-1 in parallel, a decompression spring 6-2 is arranged in the first decompression cylinder 6-6, and the decompression spring 6-2 is connected with the pressure transmission rod 6-1 through a force transmission rod; the second decompression cylinder is divided into two cylinder cavities which are communicated through a damping liquid channel 6-4, damping liquid 6-3 is respectively filled in the two cylinder cavities, and when the central plate 7 moves downwards for a certain distance, the upper part of the pressure transmission rod 6-1 is contacted with the central plate 7.
The working principle is as follows:
when the ligature bridge vibrates, at first transmit the horizontal stop device of both sides through the bearing bridge with the vibration, the gyro wheel pressurized removes along the slide, and the slide can rotate round the plug bush, consequently along with the slip of gyro wheel, slide compression spring reduces the vibration. If the vibration is too violent, the residual vibration is reduced by the air bag, the spring structure and the damping cylinder. When vibration is transmitted to the air bag, the air bag plays a role of reducing vibration by compressing gas into the gas collector, when the vibration of the air bag reaches the bearing energy limit, the height of the central plate is also arranged at the position, and the residual energy is transmitted to the spring matrix structure and the damping cylinder through the central plate to compress the vibration damper to reduce vibration. When the central plate moves downwards under stress, the spring matrix decomposes longitudinal vibration into vibration in horizontal and vertical directions because the foremost end of the transverse spring and the central plate are in a fixed connection structure, and pulls the spring matrix to damp vibration; in the dragging process, because the spring skid is connected with the transverse spring in a sliding mode, the spring skid slides on the transverse spring in the vibration damping process, the limiting rod is arranged for preventing the spring matrix from excessively dragging and damaging the elasticity of the spring matrix, the stop block is arranged on the limiting rod to block the movement of the spring skid, the stop block rotates through the rotating shaft to compress the limiting spring to attenuate the energy at the position when the stop block is stressed, and the vibration damping effect is achieved.
And a part of vibration is transmitted to the pressure transmission rod through the central plate, vibration is reduced through the compression of the spring in the first decompression cylinder, the piston in the second decompression cylinder moves downwards to press the damping liquid into the cylinder cavity on one side from the cylinder cavity on one side, and the external friction between the hole wall and the damping liquid and the internal friction between molecules of the damping liquid can greatly consume the impact brought above, so that the movement becomes gentle.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A container ship lashing bridge comprehensive vibration damper, wherein a lashing bridge is embedded in a deck; the device is characterized by comprising a transverse limiting device, wherein the transverse limiting device comprises a pressure bearing bridge, a roller, a limiting plate, a spring, a plug bush, a slideway and a lateral supporting column, the pressure bearing bridge is of an inverted trapezoidal structure, and two reinforcing plates for stabilizing the structure are respectively arranged at the positions of two upper corners of the pressure bearing bridge; a plurality of groups of rollers are fixed on the outer side surfaces of two bevel edges of the pressure bearing bridge, and the rollers slide in the slide ways; one end of a plurality of groups of springs is fixed on the lateral supporting column, the other end of the springs is fixed with the bottom surface of the slideway, the springs are sequentially arranged from top to bottom, the length of the springs is gradually increased, and the upper end of the slideway is hinged with the lateral supporting column through a plug bush; the limiting plates are fixed at the bottom of the damping device and are arranged in parallel with the lateral supporting columns, and four groups of the combination of the slide ways, the springs and the pulleys are symmetrically arranged on the bearing plate; the damping device comprises a bearing plate, a lateral plate, a longitudinal spring, a spring skid and a transverse spring, wherein one end of the bearing plate is fixedly connected with the lateral plate, and the other end of the bearing plate is fixedly connected with the upper end of the supporting rod; the upper half part of the central plate is arranged above the bearing plates, the upper end of the central plate is not contacted with the bearing bridge, the lower half part of the central plate is arranged between the two bearing plates, the lower part of the central plate is suspended, and the bearing plates are not contacted with the central plate; one end of the transverse spring is fixedly connected with the lateral plate, the other end of the transverse spring is connected with the lower part of the central plate, and the spring skid is provided with a plurality of groups which are sleeved on the transverse spring and can slide on the transverse spring; the longitudinal springs correspond to the spring skids one by one, one ends of the longitudinal springs are fixed with the spring skids, and the other ends of the longitudinal springs are fixed on the lower surface of the bearing plate; the transverse springs, the longitudinal springs and the spring skid form a spring matrix together, and a plurality of groups of the spring matrix are arranged below the bearing plate.
2. The comprehensive vibration damping device for the lashing bridge of the container ship according to claim 1, further comprising two groups of airbag vibration damping devices which are symmetrically arranged, wherein each airbag vibration damping device comprises an airbag, a connecting air pipeline and a gas collector, the upper edge of the pressure bearing bridge, two reinforcing plates and the side edge of the pressure bearing bridge form an accommodating cavity with an opening at the lower part, the airbag is arranged in the accommodating cavity, and the upper part of the airbag is in contact with the lower surface of the pressure bearing bridge; the air bag is connected with the air collector through an air connecting pipeline; when the air bag bears pressure, air is extruded into the air collector from the air bag; the gas collector delivers air back into the bladder when the pressure to which the bladder is subjected is reduced.
3. The comprehensive vibration damping device for the lashing bridge of the container ship according to claim 1, wherein the vibration damping device with the spring matrix structure further comprises a rotating shaft, a blocking block, a limiting rod and a limiting spring, the limiting rod is arranged on the lower side of the spring matrix, one end of the limiting rod is fixedly connected with the lateral plates, three groups of rotating shafts are fixed on the limiting rod, the blocking block is fixed on the rotating shaft, the limiting spring is used for limiting rotation of the blocking block, and the upper portion of the blocking block plays a role in limiting sliding of the spring skid.
4. The integrated vibration damping device for a container ship lashing bridge according to claim 1, wherein the damping cylinder compression vibration damping device comprises a pressure transmission rod, a second decompression cylinder, a piston, a damping fluid and a damping fluid channel, the piston is connected to the lower portion of the pressure transmission rod, the second decompression cylinder is divided into two cylinder cavities, the piston is arranged in only one of the cylinder cavities, the two cylinder cavities are communicated through the damping fluid channel and are respectively filled with the damping fluid, the pressure transmission rod is arranged below the central plate, and when the central plate moves downwards for a certain distance, the upper portion of the pressure transmission rod is in contact with the central plate.
5. The comprehensive vibration damping device for the lashing bridge of the container ship according to claim 4, wherein the compression vibration damping device for the damping cylinder further comprises a first decompression cylinder, a decompression spring is arranged in the first decompression cylinder, and the decompression spring is connected with the pressure transmission rod through a force transmission rod.
6. The integrated damping device for a lashing bridge of a container ship according to claim 5, wherein the lower end of the supporting rod is fixed on a first decompression cylinder, and the first decompression cylinder is fixed at the bottom of the integrated damping device for the lashing bridge of the whole container ship.
7. The integrated vibration damper for lashing bridges of container ships according to claim 2, wherein the air bags comprise two groups which are stacked, the upper air bag has a smaller volume, and the lower air bag has a larger volume.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831836.6A CN113386907B (en) | 2021-07-22 | 2021-07-22 | Comprehensive vibration damper for container ship lashing bridge |
| KR1020220081474A KR102480030B1 (en) | 2021-07-22 | 2022-07-01 | Comprehensive damping device for lashing bridge of container ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831836.6A CN113386907B (en) | 2021-07-22 | 2021-07-22 | Comprehensive vibration damper for container ship lashing bridge |
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| Publication Number | Publication Date |
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| CN113386907A CN113386907A (en) | 2021-09-14 |
| CN113386907B true CN113386907B (en) | 2021-11-23 |
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| CN114893451B (en) * | 2022-06-20 | 2023-03-24 | 广东大唐国际雷州发电有限责任公司 | Axial fan supports damping device |
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|---|---|---|---|---|
| KR101372278B1 (en) * | 2012-08-23 | 2014-03-10 | 대우조선해양 주식회사 | Vibration Reduction Device of Lashing Bridge in Containership |
| CN208295085U (en) * | 2018-02-01 | 2018-12-28 | 昌盛创客科技（珠海）有限公司 | A kind of ship unloaders reduction gearbox |
| CN108657376B (en) * | 2018-04-25 | 2019-10-01 | 武汉理工大学 | A kind of river-sea through ship cabin seat damping device |
| CN208813462U (en) * | 2018-08-06 | 2019-05-03 | 扬州中远海运重工有限公司 | A kind of container ship lashing bridge is only shaken structure |
| CN111994221B (en) * | 2020-08-31 | 2021-10-26 | 合肥森印科技有限公司 | Ship body protection device |
| CN112623111B (en) * | 2021-01-20 | 2021-12-07 | 江苏扬子鑫福造船有限公司 | Ligature bridge base damping device based on container ship |
-
2021
- 2021-07-22 CN CN202110831836.6A patent/CN113386907B/en active Active
-
2022
- 2022-07-01 KR KR1020220081474A patent/KR102480030B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR102480030B1 (en) | 2022-12-21 |
| CN113386907A (en) | 2021-09-14 |
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