CN115367045A - Anti-vibration reinforcing structure between main engine room and oil distributing machine room - Google Patents
Anti-vibration reinforcing structure between main engine room and oil distributing machine room Download PDFInfo
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- CN115367045A CN115367045A CN202211043775.8A CN202211043775A CN115367045A CN 115367045 A CN115367045 A CN 115367045A CN 202211043775 A CN202211043775 A CN 202211043775A CN 115367045 A CN115367045 A CN 115367045A
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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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Abstract
The invention relates to the technical field of ship design, manufacture and installation, in particular to an anti-vibration reinforcing structure between a main engine room and an oil distribution machine room, which comprises a longitudinal anti-vibration wall arranged between the main engine room and the oil distribution machine room of a ship, wherein the longitudinal anti-vibration wall is used for installing and connecting an auxiliary anti-vibration support of a main engine in the main engine room of the ship, the longitudinal anti-vibration wall comprises an upper section wall body and a lower section wall body which are integrally connected, the upper end of the upper section wall body is connected with an upper deck, the lower end of the lower section wall body is connected with a lower deck, the lower section wall body is a plurality of piers which are arranged at intervals along the longitudinal direction, and the middle of each pier is provided with a waist-shaped hole through which personnel can pass along the longitudinal direction of the ship; and a bridge opening serving as a transverse channel is formed between every two adjacent bridge piers, and the kidney-shaped hole of each bridge pier forms a longitudinal channel along the longitudinal direction. The invention ensures the structural strength, reduces the vibration of the main engine and facilitates the passing of sailors.
Description
Technical Field
The invention relates to the technical field of ship design, manufacture and installation, in particular to an anti-vibration reinforcing structure between a main engine room and an oil distribution machine.
Background
The marine main engine can generate vibration during operation, thereby influencing the comfort and the controllability of the marine. In order to reduce the vibration of the main machine, a transverse auxiliary support can be arranged on the main machine after the main machine is installed. However, in order to be able to fix the transverse auxiliary supports, special support reinforcements are required, which have a negative effect on the passage arrangement in the cabin. For example, in a large refrigerated container ship, the support reinforcing structure is arranged at one side of the main cabin close to the oil distribution machine room, so that a deck channel is blocked, personnel can only enter the oil distribution machine room from a ladder way with a large opening of the main cabin and then come out from the oil distribution machine room to reach the deck channel, and therefore the personnel can be led to open and close the door in a short distance when passing, and the oil distribution machine room is used as a main channel, so that the passing convenience can be influenced.
Disclosure of Invention
In order to solve the problems, the invention provides an anti-vibration reinforcing structure between a main engine room and an oil distribution machine, aiming at ensuring the structural strength, reducing the vibration of the main engine and facilitating the passing of crews. The specific technical scheme is as follows:
the anti-vibration reinforcing structure comprises a longitudinal anti-vibration wall arranged between a ship main cabin and an oil distribution machine room, wherein the longitudinal anti-vibration wall is used for installing and connecting an auxiliary anti-vibration support of a main machine in the ship main cabin, the longitudinal anti-vibration wall comprises an upper section wall body and a lower section wall body which are integrally connected, the upper end of the upper section wall body is connected with an upper deck, the lower end of the lower section wall body is connected with a lower deck, the lower section wall body is a plurality of piers which are arranged at intervals along the longitudinal direction, and a waist-shaped hole through which personnel can pass along the longitudinal direction of a ship is formed in the middle of each pier; a bridge opening serving as a transverse channel is formed between every two adjacent piers, and the kidney-shaped hole of each pier forms a longitudinal channel along the longitudinal direction.
Preferably, the longitudinal anti-vibration wall comprises a pair of longitudinal wallboards, a horizontal connecting plate arranged between the pair of longitudinal wallboards, and a plurality of transverse rib plates which are vertically arranged between the pair of longitudinal wallboards along the vertical direction and are mutually crossed with the horizontal connecting plate; the part of the longitudinal anti-vibration wall above the horizontal connecting plate is the upper section wall, and the part of the longitudinal anti-vibration wall below the horizontal connecting plate is the lower section wall; the longitudinal wall plate positioned on the lower section wall body is provided with an inverted U-shaped hole used as the bridge opening, and the transverse rib plate positioned on the lower section wall body is provided with a waist-shaped hole used as the longitudinal channel.
Preferably, the longitudinal wall plate on the upper wall body is provided with welding construction holes convenient to weld, and the transverse rib plate on the upper wall body is provided with welding construction holes convenient to weld.
In the invention, the front end and the rear end of the longitudinal anti-vibration wall are respectively connected with a longitudinal bulkhead for separating the main cabin and the oil distribution machine room, and the longitudinal bulkhead is connected with the end part of the longitudinal anti-vibration wall close to the oil distribution machine room.
In the invention, the longitudinal bulkhead is provided with a transverse pedestrian hole.
In the invention, one end of the auxiliary anti-vibration support is connected with the host, and the other end of the auxiliary anti-vibration support is connected with a part between the upper section wall body and the lower section wall body of the longitudinal anti-vibration wall.
As a further improvement of the invention, a vibration absorption device is arranged on the outer wall surface of the longitudinal wall plate close to the cross-shaped intersection part of the horizontal connecting plate and the transverse rib plate; the vibration absorption device comprises a cross-shaped vibration absorption plate and a transition connecting disc connected with the cross-shaped vibration absorption plate; the cross-shaped vibration absorption plate is characterized in that a pair of radial grooves are formed in each cross head of the cross-shaped vibration absorption plate, a plate body part between the pair of radial grooves forms a simply supported beam type plate spring, threaded holes are formed in the simply supported beam type plate spring, the cross-shaped vibration absorption plate is fixedly connected with the longitudinal wall plate, and the transition connecting disc is fixed on the simply supported beam type plate spring of the cross-shaped vibration absorption plate through fastening screws connected with the threaded holes.
Preferably, the cross-shaped vibration absorption plate is fixedly connected with the longitudinal wall plate through a fastening bolt.
In the invention, the back of each crosshead position of the cross-shaped vibration absorption plate is provided with a sunk groove, and the simply supported beam type plate spring and the radial groove are arranged in the range within the sunk groove area, so that the back plane of the simply supported beam type plate spring is not contacted with the longitudinal wall plate.
In the invention, a gasket is arranged at the joint of the fastening screw between the transition connecting disc and the cross-shaped vibration absorption plate, so that a gap which is not in contact with each other is formed between the transition connecting disc and the cross-shaped vibration absorption plate.
As a further improvement of the present invention, the vibration absorbing device further comprises a vibration absorbing frequency adjusting device, the vibration absorbing frequency adjusting device comprises an inner clamping plate which is arranged in the sinking groove in a radial moving manner, and an outer clamping plate which is arranged on the front surface of the cross-shaped vibration absorbing plate and is positioned at a position corresponding to the inner clamping plate, the inner clamping plate and the outer clamping plate are clamped and fixed on the cross-shaped vibration absorbing plate through a connecting screw which penetrates through the radial groove, and a tightening screw which is used for propping against the spring of the simply supported beam type plate is arranged on the outer clamping plate.
The working principle of the vibration absorption frequency adjusting device is as follows: by adjusting the radial position of a pair of clamping plates (including an outer clamping plate and an inner clamping plate), the length between the fixed point positions at two ends of the simply supported beam type plate spring can be changed, so that the rigidity and the vibration absorption frequency of the simply supported beam type plate spring are changed.
Preferably, the jacking screw is further provided with a locking nut for preventing loosening.
Preferably, a plurality of threaded connection holes can be formed in the transition connection disc, so that the installation and fixation of the auxiliary anti-vibration support are facilitated.
The use method of the vibration absorber comprises the following steps: after a host in a main engine room of a ship is installed, an auxiliary anti-vibration support is connected between a transition connection disc of a vibration absorption device and the host, the host starts to test the machine, a vibration meter is used for measuring the vibration condition of the host, and the vibration of the host is minimized by adjusting the radial positions of a pair of clamping plates (at four positions in total) on the vibration absorption device. And after debugging is finished, spot welding and fixing are carried out on the outer clamping plate.
Preferably, each bolt and each screw can be reinforced by adopting a conventional anti-loosening structure.
The invention has the beneficial effects that:
firstly, the anti-vibration reinforcing structure between the main engine room and the oil distribution machine room adopts the pier type wall body as the anti-vibration reinforcing structure, and the transverse rib plate of the pier type wall body is provided with the kidney-shaped hole as the longitudinal channel. The structure strength is guaranteed, and meanwhile, the sailors can pass conveniently.
Secondly, according to the anti-vibration reinforcing structure between the main engine room and the oil distribution machine, the pier type wall is provided with the vibration absorption device, and the vibration of the ship main engine is transmitted to the simply supported beam type plate spring through the auxiliary anti-vibration support, so that the vibration of the main engine can be effectively reduced, and the main engine can stably work.
Thirdly, according to the vibration-proof reinforcing structure between the main engine room and the oil distribution machine, the vibration absorption device realizes the adjustment of the vibration absorption frequency through the vibration absorption frequency adjusting device, so that the vibration absorption frequency can be optimized, and the working stability of the main engine is further improved.
Fourthly, in the anti-vibration reinforcing structure between the main engine room and the oil distribution machine, the vibration absorption frequency adjusting devices at four positions on the cross-shaped vibration absorption plate can be independently adjusted respectively, so that the vibration elimination under the condition of asymmetric excitation force can be realized to the maximum extent.
Drawings
Fig. 1 is a schematic position diagram of an anti-vibration reinforcing structure between a main cabin and an oil distribution machine according to the invention;
FIG. 2 is a schematic three-dimensional structure of the portion of FIG. 1 related to the anti-vibration reinforcement structure;
FIG. 3 is an enlarged partial view of FIG. 2;
FIG. 4 is a schematic view of the two-dimensional structure of the longitudinal vibration resistant walls of FIGS. 2 and 3 with vibration absorbing means disposed thereon;
FIG. 5 is a schematic view of the cross-shaped vibration-damping plate of FIG. 4;
fig. 6 isbase:Sub>A viewbase:Sub>A-base:Sub>A of fig. 5.
In the figure: 1. the main cabin of the ship, 2, the oil distribution room, 3, the longitudinal anti-vibration wall, 4, the upper wall, 5, the lower wall, 6, the upper deck, 7, the lower deck, 8, the bridge pier, 9, the kidney-shaped hole, 10, the auxiliary anti-vibration support, 11, the longitudinal channel, 12, the longitudinal wall plate, 13, the horizontal connecting plate, 14, the transverse rib plate, 15, the bridge opening (inverted U-shaped hole), 16, the welding construction hole, 17, the longitudinal bulkhead, 18, the transverse pedestrian hole, 19, the vibration absorption device, 20, the cross-shaped vibration absorption plate, 21, the transition connecting plate, 22, the radial groove, 23, the simply supported girder type plate spring, 24, the fastening screw, 25, the gasket, 26, the sink groove, 27, the vibration absorption frequency adjusting device, 28, the inner clamping plate, 29, the outer clamping plate, 30, the connecting screw, 31, the jacking screw, 32, the fastening screw, 33, and the threaded hole.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 6 show an embodiment of an anti-vibration reinforcing structure between a main cabin and an oil distribution machine room according to the present invention, which includes a longitudinal anti-vibration wall 3 disposed between the main cabin 1 of a ship and the oil distribution machine room 2, wherein the longitudinal anti-vibration wall 3 is used for installing and connecting an auxiliary anti-vibration support 10 of a host machine in the main cabin 1 of the ship, the longitudinal anti-vibration wall 3 includes an upper wall 4 and a lower wall 5 that are integrally connected, an upper end of the upper wall 4 is connected to an upper deck 6, a lower end of the lower wall 5 is connected to a lower deck 7, the lower wall 5 is a plurality of piers 8 arranged at intervals in the longitudinal direction, and a kidney-shaped hole 9 through which a person can pass in the longitudinal direction of the ship is formed in the middle of each pier 8; a bridge hole 15 serving as a transverse channel is formed between every two adjacent piers 8, and the kidney-shaped hole 9 of each pier 8 forms a longitudinal channel 11 along the longitudinal direction.
Preferably, the longitudinal anti-vibration wall 3 comprises a pair of longitudinal wall panels 12, a horizontal connecting plate 13 arranged between the pair of longitudinal wall panels 12, and a plurality of transverse rib plates 14 vertically arranged between the pair of longitudinal wall panels 12 and arranged crosswise with the horizontal connecting plate 13; the part of the longitudinal anti-vibration wall 3 above the horizontal connecting plate 13 is the upper section wall 4, and the part of the longitudinal anti-vibration wall 3 below the horizontal connecting plate 13 is the lower section wall 5; the longitudinal wall plate 12 on the lower wall 5 is provided with an inverted U-shaped hole as the bridge opening 15, and the transverse rib plate 14 on the lower wall 5 is provided with the waist-shaped hole 9 as the longitudinal channel 11.
Preferably, the longitudinal wall plate 12 of the upper wall 4 is provided with welding construction holes 16 convenient for welding, and the transverse rib plate 14 of the upper wall 4 is provided with welding construction holes 16 convenient for welding.
In this embodiment, longitudinal bulkheads 17 for partitioning the main engine room 1 and the oil distribution machine room 2 are connected to the front end and the rear end of the longitudinal anti-vibration wall 3, respectively, and the longitudinal bulkheads 17 are connected to the end portions of the longitudinal anti-vibration wall 3 on the side of the oil distribution machine room 2 of the longitudinal anti-vibration wall 3.
In this embodiment, the longitudinal bulkhead 17 is provided with a transverse manhole 18.
In this embodiment, one end of the auxiliary anti-vibration support 10 is connected to the main machine, and the other end of the auxiliary anti-vibration support 10 is connected to a position between the upper wall 4 and the lower wall 5 of the longitudinal anti-vibration wall 3.
As a further improvement of this embodiment, a shock absorbing device 19 is further disposed on the outer wall surface of the longitudinal wall panel 12 near the cross-shaped intersection of the horizontal connecting plate 13 and the transverse rib plate 14; the vibration absorption device 19 comprises a cross-shaped vibration absorption plate 20 and a transition connecting disc 21 connected with the cross-shaped vibration absorption plate 20; a pair of radial grooves 22 are formed in the cross-shaped vibration absorption plate 20 and located at each cross head of the cross-shaped vibration absorption plate 20, a simple beam type plate spring 23 is formed on a plate body portion located between the pair of radial grooves 22, a threaded hole 33 is formed in the simple beam type plate spring 23, the cross-shaped vibration absorption plate 20 is fixedly connected with the longitudinal wall plate 12, and the transition connecting disc 21 is fixed on the simple beam type plate spring 23 of the cross-shaped vibration absorption plate 20 through a fastening screw 24 connected with the threaded hole 33.
Preferably, the cross-shaped vibration absorbing plate 20 is fixedly connected with the longitudinal wall plate 12 through fastening bolts 32.
In this embodiment, a sunken groove 26 is formed on the back surface of each crosshead position of the cross-shaped vibration absorbing plate 20, and the simply supported beam type plate spring 23 and the radial groove 22 are arranged within the area of the sunken groove 26, so that the back plane of the simply supported beam type plate spring 23 is not in contact with the longitudinal wall plate 12.
In this embodiment, a gasket 25 is disposed at a connection position of the fastening screw 24 between the transition connection disc 21 and the cross-shaped vibration absorption plate 20, so that a gap which is not in contact with each other is formed between the transition connection disc 21 and the cross-shaped vibration absorption plate 20.
As a further improvement of this embodiment, the vibration absorbing device 19 further comprises a vibration absorbing frequency adjusting device 27, wherein the vibration absorbing frequency adjusting device 27 comprises an inner clamping plate 28 disposed in the sinking groove 26 in a radially movable manner, an outer clamping plate 29 disposed on the front surface of the cross-shaped vibration absorbing plate 20 and located at a position corresponding to the inner clamping plate 28, the inner clamping plate 28 and the outer clamping plate 29 are clamped and fixed to the cross-shaped vibration absorbing plate 20 by a connecting screw 30 inserted into the radial groove 22, and a tightening screw 31 for pressing against the simply supported beam plate spring 23 is disposed on the outer clamping plate 29.
The vibration absorbing frequency adjusting device 27 operates on the following principle: by adjusting the radial position of a pair of clamping plates (including the outer clamping plate 29 and the inner clamping plate 28), the length between the positions of the fixed points at the two ends of the simple beam type plate spring 23 can be changed, so that the rigidity and the vibration absorption frequency of the simple beam type plate spring 23 are changed.
Preferably, the tightening screw 31 is further provided with a locking nut for preventing loosening.
Preferably, a plurality of threaded connection holes may be formed in the transition connection disc 21 to facilitate the installation and fixation of the auxiliary anti-vibration support 10.
The use method of the vibration absorber 19 is as follows: after the host in the ship host cabin 1 is installed, the auxiliary anti-vibration support 10 is connected between the transition connection disc 21 of the vibration absorption device 19 and the host, the host starts the test machine, uses the vibration meter to measure the vibration condition of the host, and the vibration of the host is minimized by adjusting the radial positions of a pair of clamping plates (in total, four positions) on the vibration absorption device 19. And after debugging is finished, the outer clamping plate 29 is fixed by spot welding.
Preferably, each bolt and each screw can be reinforced by adopting a conventional anti-loosening structure.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The anti-vibration reinforcing structure is characterized by comprising a longitudinal anti-vibration wall arranged between the ship main cabin and the oil distribution machine room, wherein the longitudinal anti-vibration wall is used for installing and connecting an auxiliary anti-vibration support of a host machine in the ship main cabin, the longitudinal anti-vibration wall comprises an upper section wall body and a lower section wall body which are integrally connected, the upper end of the upper section wall body is connected with an upper deck, the lower end of the lower section wall body is connected with a lower deck, the lower section wall body is a plurality of piers which are arranged at intervals along the longitudinal direction, and a waist-shaped hole through which personnel can longitudinally pass along a ship is formed in the middle of each pier; and a bridge opening serving as a transverse channel is formed between every two adjacent bridge piers, and the kidney-shaped hole of each bridge pier forms a longitudinal channel along the longitudinal direction.
2. The anti-vibration reinforcing structure between the main cabin and the oil distribution machine room according to claim 1, wherein the longitudinal anti-vibration wall comprises a pair of longitudinal wall plates, a horizontal connecting plate arranged between the pair of longitudinal wall plates, and a plurality of transverse rib plates vertically arranged between the pair of longitudinal wall plates and arranged in a cross shape with the horizontal connecting plate; the part of the longitudinal anti-vibration wall above the horizontal connecting plate is the upper section wall, and the part of the longitudinal anti-vibration wall below the horizontal connecting plate is the lower section wall; the longitudinal wall plate positioned on the lower section wall body is provided with an inverted U-shaped hole used as the bridge opening, and the transverse rib plate positioned on the lower section wall body is provided with a waist-shaped hole used as the longitudinal channel.
3. The anti-vibration reinforcing structure between the main cabin and the oil distribution machine room according to claim 2, wherein welding construction holes convenient to weld are formed in the longitudinal wall plate of the upper section wall body, and welding construction holes convenient to weld are formed in the transverse rib plate of the upper section wall body.
4. The vibration-resistant reinforcing structure between the main engine room and the oil distribution machine room as claimed in claim 1, wherein longitudinal bulkheads for separating the main engine room from the oil distribution machine room are connected to front ends and rear ends of the longitudinal vibration-resistant walls, respectively, and the longitudinal bulkheads are connected to ends of the longitudinal vibration-resistant walls, which are close to the oil distribution machine room side.
5. The anti-vibration reinforcing structure between the main cabin and the oil distribution machine room as claimed in claim 4, wherein the longitudinal cabin wall is provided with transverse manhole holes.
6. The anti-vibration reinforcing structure between the main engine room and the oil distribution machine room as claimed in claim 1, wherein one end of the auxiliary anti-vibration support is connected to the main engine room, and the other end of the auxiliary anti-vibration support is connected to a position between the upper section wall body and the lower section wall body of the longitudinal anti-vibration wall.
7. The anti-vibration reinforcing structure between the main engine room and the oil distribution machine room according to claim 6, wherein a vibration absorption device is further arranged on the outer wall surface of the longitudinal wall plate close to the cross-shaped intersection part of the horizontal connecting plate and the transverse rib plate; the vibration absorption device comprises a cross-shaped vibration absorption plate and a transition connecting disc connected with the cross-shaped vibration absorption plate; the cross-shaped vibration absorption plate is characterized in that a pair of radial grooves are formed in each cross head of the cross-shaped vibration absorption plate, a plate body part between the pair of radial grooves forms a simply supported beam type plate spring, threaded holes are formed in the simply supported beam type plate spring, the cross-shaped vibration absorption plate is fixedly connected with the longitudinal wall plate, and the transition connecting disc is fixed on the simply supported beam type plate spring of the cross-shaped vibration absorption plate through fastening screws connected with the threaded holes.
8. An anti-vibration reinforcing structure between a main cabin and an oil distribution machine room as claimed in claim 7, wherein the back surface of each crosshead position of the cross-shaped vibration absorption plate is provided with a sunken groove, and the simply supported beam type plate spring and the radial groove are arranged in the range within the sunken groove area, so that the back plane of the simply supported beam type plate spring is not in contact with the longitudinal wall plate.
9. The anti-vibration reinforcing structure between the main cabin and the oil distribution machine according to claim 7, wherein a gasket is disposed at the fastening screw connection between the transition connection disc and the cross-shaped vibration absorption plate so that a mutually non-contact gap is formed between the transition connection disc and the cross-shaped vibration absorption plate.
10. The anti-vibration structure of claim 7, wherein the vibration absorption device further comprises a vibration absorption frequency adjusting device, the vibration absorption frequency adjusting device comprises an inner plate disposed in the sink groove along a radial direction, an outer plate disposed on the front side of the cross-shaped vibration absorption plate and corresponding to the inner plate, the inner plate and the outer plate are fastened to the cross-shaped vibration absorption plate by a connecting screw penetrating through the radial groove, and a tightening screw for tightening the spring of the simply supported beam type plate is disposed on the outer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211043775.8A CN115367045A (en) | 2022-08-30 | 2022-08-30 | Anti-vibration reinforcing structure between main engine room and oil distributing machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211043775.8A CN115367045A (en) | 2022-08-30 | 2022-08-30 | Anti-vibration reinforcing structure between main engine room and oil distributing machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115367045A true CN115367045A (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211043775.8A Pending CN115367045A (en) | 2022-08-30 | 2022-08-30 | Anti-vibration reinforcing structure between main engine room and oil distributing machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115367045A (en) |
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2022
- 2022-08-30 CN CN202211043775.8A patent/CN115367045A/en active Pending
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