Ship installation node damping assembly

Abstract

The invention belongs to the technical field of ship installation, and discloses a ship installation node damping assembly which comprises an installation node body shell. The damper is arranged on the outer side of the interior of the mounting node main body shell; the hydraulic assembly is arranged on the outer side surface of the damper; and the lubricating oil conveying assembly comprises a second corrugated telescopic pipe, and the second corrugated telescopic pipe is fixedly communicated with the inner side of the damper. According to the technical scheme, by arranging the hydraulic assembly and the lubricating oil conveying assembly, when the outer end of the damper contracts due to stress, the hydraulic assembly can be compressed at the same time; lubricating oil in the outer end of the damper is extruded and pushed into the lubricating oil conveying assembly and then can enter the space between the inner side of the lubricating oil conveying assembly and the surface of the middle of the damper, and at the moment, the lubricating oil can smoothly conduct lubricating treatment on the inner side of the lubricating oil conveying assembly and the surface of the middle of the damper; friction between the two is greatly reduced, and abrasion of the middle of the damper due to long-term use is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of ship installation, and specifically relates to a shock-absorbing component for ship installation nodes. Background Art

[0002] At present, the internal structure of a ship is composed of longitudinal members and transverse members. The longitudinal members are generally structural members such as longitudinals, centerline keels, and longitudinal girders installed along the ship length direction, and the transverse members are generally structural members such as floors, bulkhead plates, and beams arranged along the ship width direction. Installation nodes are provided between the intersections of longitudinals and floors, keels and bulkhead plates, and beams and longitudinal girders to facilitate the splicing and installation of the two. Corresponding shock-absorbing components are provided inside the installation nodes to buffer and damp the stresses of the transverse and longitudinal members.

[0003] Currently, the shock-absorbing component of a ship installation node is generally a damper assembly. The damper consists of an oil pipe, a piston rod, a damper medium chamber assembly, and a valve. When the piston rod expands and contracts, the outer rod body will rub against the inside of the oil pipe port. Long-term friction will cause damage and thus reduce the service life. Therefore, it needs to be improved. Summary of the Invention

[0004] To solve the problems raised in the above background art, the present invention provides a shock-absorbing component for ship installation nodes, which has the advantage of improving the service life of the damper.

[0005] To achieve the above object, the present invention provides the following technical solution: A shock-absorbing component for ship installation nodes, including a housing of the installation node main body; a damper disposed outside the inside of the housing of the installation node main body; a hydraulic component disposed on the outer surface of the damper; a lubricating oil delivery component including a second corrugated expansion pipe, the second corrugated expansion pipe is fixedly connected to the inside of the damper and is located outside the hydraulic component, a delivery groove is opened in the damper and is fixedly connected to one end of the second corrugated expansion pipe, a one-way valve group is movably installed inside the inner end of the delivery groove, and a lubricating groove is opened inside the damper and is located inside the delivery groove.

[0006] Preferably, the one-way valve group includes a valve ball and a power spring;

[0007] The valve ball is movably installed on the inner wall of the inner end of the delivery groove, and the valve ball is elastically connected to the inner wall of the delivery groove through the power spring.

[0008] Preferably, the damper includes a damper cylinder, a damper rod, a damper medium storage chamber, and a rectangular plate;

[0009] The damper cylinder is fixedly installed inside the housing of the installation node main body, the damper rod is movably installed inside the cavity of the damper cylinder, the damper medium storage chamber is opened at the outer end of the cavity of the damper cylinder, and the rectangular plate is fixedly installed at the outer end of the damper rod.

[0010] Preferably, an outer sealing ring and an inner sealing ring located outside the one-way valve group are provided inside the damping cylinder body.

[0011] Preferably, a friction reducing assembly is provided inside the outer end of the rectangular plate. The friction reducing assembly includes a hydraulic cylinder, a hydraulic piston rod, and rolling balls;

[0012] The hydraulic cylinder is fixedly installed in the inner cavity of the outer end of the rectangular plate. The hydraulic piston rod is movably installed in the inner cavity of the hydraulic cylinder. The rolling balls are slidably connected to the outer end of the hydraulic piston rod.

[0013] Preferably, the hydraulic assembly includes a first corrugated expansion tube, a first one-way valve flap, and an oil storage chamber;

[0014] The first corrugated expansion tube is fixedly installed between the damping cylinder body and the rectangular plate and is located on the surface of the damping rod. The first one-way valve flap is arranged inside the outer end of the first corrugated expansion tube. The oil storage chamber is opened inside the rectangular plate.

[0015] Preferably, the first corrugated expansion tube is communicated with the inner cavity of the oil storage chamber through a plurality of round holes.

[0016] Preferably, a pneumatic assembly located outside the one-way valve group is provided inside the damping cylinder body. The pneumatic assembly includes a first pneumatic cylinder, a first pneumatic piston rod, and a ventilation groove;

[0017] The first pneumatic cylinder is fixedly installed inside the damper and is located in the middle of the outer end of the one-way valve group. The first pneumatic piston rod is movably installed in the inner cavity of the first pneumatic cylinder. The ventilation groove is opened at the outer end of the first pneumatic cylinder.

[0018] Preferably, a shielding assembly located outside the first pneumatic cylinder is provided inside the damping cylinder body. The shielding assembly includes a second pneumatic cylinder, a second pneumatic piston rod, and a shielding plate;

[0019] The second pneumatic cylinder is fixedly installed outside the first pneumatic cylinder. The second pneumatic piston rod is movably installed in the inner cavity of the second pneumatic cylinder. The shielding plate is fixedly installed at the outer end of the second pneumatic piston rod. The inner end of the second pneumatic cylinder is fixedly communicated with the ventilation groove.

[0020] Preferably, a reflux assembly located outside the delivery groove is provided inside the outer sealing ring. The reflux assembly includes a reflux groove, a second one-way valve flap, a plugging member, and a connecting spring;

[0021] The outer sealing ring is communicated with the first corrugated expansion pipe through an oil storage chamber. One end of the return groove is communicated with the lubricating groove. The second one-way valve flap is arranged in the inner cavity of the return groove. The plugging member is movably installed inside the outer sealing ring, and the bottom end extends into the return groove. The top end of the plugging member is elastically connected with the inner wall of the outer sealing ring through a connecting spring.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] Through the above technical solution, by setting the hydraulic component and the lubricating oil delivery component, when the outer end of the damper is stressed and contracts, the hydraulic component will be compressed at the same time, and the lubricating oil inside the outer end of the damper will be squeezed and pushed into the lubricating oil delivery component. Then, it can enter between the inner side of the lubricating oil delivery component and the surface of the middle part of the damper. At this time, the lubricating oil can smoothly lubricate the inner side of the lubricating oil delivery component and the surface of the middle part of the damper, greatly reducing the friction between the two, avoiding the wear of the middle part of the damper caused by long-term use, and improving the service life.

[0024] By setting the hydraulic component and the friction reduction component in the present invention, when the hydraulic component is compressed, the lubricating oil in the inner cavity of the outer end of the damper will enter the inner cavity of the friction reduction component, and then can squeeze and push the outer end output shaft of the friction reduction component to move outward until the outer end of the friction reduction component contacts the inside of the housing of the installation node main body. At this time, the connection relationship between the outer end of the damper and the housing of the installation node main body will change from a sliding connection to a rolling connection, thereby greatly reducing the friction force, reducing wear and improving the smoothness of movement.

[0025] By setting the pneumatic component, the shielding component and the return component in the present invention, when the lubricating oil inside the inner end of the lubricating oil delivery component is full, the pneumatic component will be driven, and then the outer end of the shielding component will be driven to move outward. The shielding component can drive to block the communicating part at one end of the inner side of the lubricating oil delivery component. At the same time, the outer end of the shielding component will push the return component to release the shielding and sealing of the communicating part between the hydraulic component and the damper. Finally, through the rapid release of the hydraulic component, the negative pressure can quickly drive the lubricating oil in the inner cavity of the lubricating oil delivery component to flow back to the inner cavity of the hydraulic component unidirectionally. Description of the Drawings

[0026] Figure 1 is a schematic structural diagram of the present invention;

[0027] Figure 2 is a partial structural schematic diagram of the cross-section of the present invention;

[0028] Figure 3 is Figure 2 a partial enlarged structural schematic diagram at A in

[0029] Figure 4 is Figure 2 a schematic diagram of the partially enlarged structure at position B in

[0030] Figure 5 is Figure 2 a schematic diagram of the partially enlarged structure at position C in

[0031] Figure 6 is Figure 5 a schematic diagram of the partially enlarged structure at position a in

[0032] Figure 7 a schematic diagram of the sectional structure of the rectangular plate of the present invention;

[0033] Figure 8 is Figure 7 a schematic diagram of the partially enlarged structure at position D in

[0034] In the figure: 1. Installation node main body housing; 2. Damper; 201. Damper cylinder body; 202. Damper rod; 203. Damper medium storage chamber; 204. Rectangular plate; 3. Outer sealing ring; 4. Inner sealing ring; 5. Hydraulic component; 501. First corrugated expansion pipe; 502. First one-way valve flap; 503. Oil storage chamber; 6. Friction reduction component; 601. Hydraulic cylinder; 602. Hydraulic piston rod; 603. Rolling ball; 7. Lubricating oil delivery component; 701. Second corrugated expansion pipe; 702. Delivery groove; 703. Check valve group; 7031. Valve ball; 7032. Power spring; 704. Lubricating groove; 8. Pneumatic component; 801. First pneumatic cylinder; 802. First pneumatic piston rod; 803. Venting groove; 9. Shielding component; 901. Second pneumatic cylinder; 902. Second pneumatic piston rod; 903. Shielding plate; 10. Return flow component; 101. Return flow groove; 102. Second one-way valve flap; 103. Plugging member; 104. Connecting spring. Specific embodiments

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] Such as Figures 1 to 8As shown in the figure, the present invention provides a shock-absorbing assembly for a ship installation node, including an installation node main body housing 1; a damper 2, arranged on the outer side of the interior of the installation node main body housing 1; a hydraulic assembly 5, arranged on the outer surface of the damper 2; a lubricating oil delivery assembly 7, including a second corrugated expansion pipe 701, the second corrugated expansion pipe 701 is fixedly communicated with the inner side of the damper 2 and is located outside the hydraulic assembly 5, a delivery groove 702 is opened in the damper 2 and is fixedly communicated with one end of the second corrugated expansion pipe 701, a one-way valve group 703 is movably installed inside the inner end of the delivery groove 702, and a lubricating groove 704 is opened inside the damper 2 and is located inside the delivery groove 702.

[0037] The hydraulic assembly 5 squeezes the lubricating oil in the outer cavity at the outer end of the damper 2 to enter the delivery groove 702 from the second corrugated expansion pipe 701. After that, the lubricating oil will squeeze and push the inner end of the one-way valve group 703 to move towards each other, so that the lubricating oil can smoothly enter the interior of the lubricating groove 704.

[0038] As Figure 5 shown, the one-way valve group 703 includes a valve ball 7031 and a power spring 7032;

[0039] The valve ball 7031 is movably installed on the inner wall at the inner end of the delivery groove 702, and the valve ball 7031 is elastically connected to the inner wall of the delivery groove 702 through the power spring 7032.

[0040] Adopting the above scheme: by providing the power spring 7032, when the valve ball 7031 is pushed to move towards each other, the power spring 7032 will be stretched. After that, when the elastic force of the power spring 7032 is released, it will pull the whole valve ball 7031 to move back to its original position.

[0041] As Figure 2 shown, the damper 2 includes a damper cylinder body 201, a damper rod 202, a damper medium storage chamber 203 and a rectangular plate 204;

[0042] The damper cylinder body 201 is fixedly installed inside the installation node main body housing 1, the damper rod 202 is movably installed inside the cavity of the damper cylinder body 201, the damper medium storage chamber 203 is opened at the outer end of the cavity of the damper cylinder body 201, and the rectangular plate 204 is fixedly installed at the outer end of the damper rod 202.

[0043] Adopting the above scheme: by providing the damper rod 202, as can be seen from the installation node main body housing 1 and the existing reference in the figure, one-way valves are provided at the inner ends of both the damper cylinder body 201 and the damper rod 202, so that when the damper rod 202 extends in, the hydraulic oil can flow back and forth inside the damper cylinder body 201 and the damper medium storage chamber 203 to achieve the purpose of damping.

[0044] As Figure 5As shown, an outer sealing ring 3 and an inner sealing ring 4 are provided inside the damping cylinder body 201 and are located outside the one-way valve group 703.

[0045] Adopting the above solution: Through the design of the outer sealing ring 3 and the inner sealing ring 4, the outside of the lubricating groove 704 can be sealed to prevent the lubricating oil from flowing out and reducing the lubricating effect, and the loss of the lubricating oil inside the damping cylinder body 201 can be avoided.

[0046] As Figure 3 shown, a friction reducing assembly 6 is provided inside the outer end of the rectangular plate 204. The friction reducing assembly 6 includes a hydraulic cylinder 601, a hydraulic piston rod 602, and a rolling ball 603.

[0047] The hydraulic cylinder 601 is fixedly installed in the inner cavity of the outer end of the rectangular plate 204. The hydraulic piston rod 602 is movably installed in the inner cavity of the hydraulic cylinder 601. The rolling ball 603 is slidably connected to the outer end of the hydraulic piston rod 602.

[0048] Adopting the above solution: By providing the rolling ball 603, when the internal hydraulic pressure of the hydraulic cylinder 601 increases, it can push the hydraulic piston rod 602 and the rolling ball 603 to move outward, so that the outer end of the rolling ball 603 is in close contact with the inside of the installation node main body housing 1, which can change the sliding connection between the surface of the rectangular plate 204 and the inner wall of the installation node main body housing 1 into a rolling connection and reduce the friction force.

[0049] As Figure 4 shown, the hydraulic assembly 5 includes a first corrugated expansion tube 501, a first one-way valve flap 502, and an oil storage chamber 503.

[0050] The first corrugated expansion tube 501 is fixedly installed between the damping cylinder body 201 and the rectangular plate 204 and is located on the surface of the damping rod 202. The first one-way valve flap 502 is arranged inside the outer end of the first corrugated expansion tube 501. The oil storage chamber 503 is opened inside the rectangular plate 204.

[0051] Adopting the above solution: By providing the first one-way valve flap 502, when the first corrugated expansion tube 501 is integrally compressed, the oil body inside will squeeze and push the first one-way valve flap 502 to flip open, so that the oil body can be discharged unidirectionally.

[0052] As Figure 4 、 Figure 7 and Figure 8 shown, the first corrugated expansion tube 501 is communicated with the inner cavity of the oil storage chamber 503 through a plurality of round holes.

[0053] Adopting the above solution: Through the design of the plurality of round holes, when the first one-way valve flap 502 is flipped open, the oil body in the inner cavity of the first corrugated expansion tube 501 can enter the oil storage chamber 503 through the plurality of round holes, realizing the compression of the lubricating oil inside the oil storage chamber 503.

[0054] As Figure 5 shown, an air-actuated component 8 is disposed inside the damper cylinder body 201 and outside the one-way valve group 703. The air-actuated component 8 includes a first air cylinder 801, a first air piston rod 802, and a ventilation groove 803;

[0055] The first air cylinder 801 is fixedly installed inside the damper 2 and at the middle of the outer end of the one-way valve group 703. The first air piston rod 802 is movably installed inside the cavity of the first air cylinder 801. The ventilation groove 803 is opened at the outer end of the first air cylinder 801.

[0056] With the above solution: by providing the first air piston rod 802, when the lubricating oil in the one-way valve group 703 is full, the first air piston rod 802 will be squeezed and pushed to retract into the cavity of the first air cylinder 801, so that the gas in the cavity of the first air cylinder 801 can be discharged through the ventilation groove 803.

[0057] As Figure 5 shown, a shielding component 9 is disposed inside the damper cylinder body 201 and outside the first air cylinder 801. The shielding component 9 includes a second air cylinder 901, a second air piston rod 902, and a shielding plate 903;

[0058] The second air cylinder 901 is fixedly installed outside the first air cylinder 801. The second air piston rod 902 is movably installed inside the cavity of the second air cylinder 901. The shielding plate 903 is fixedly installed at the outer end of the second air piston rod 902. The inner end of the second air cylinder 901 is fixedly communicated with the ventilation groove 803.

[0059] With the above solution: by providing the second air cylinder 901, when the gas in the cavity of the first air cylinder 801 enters the second air cylinder 901 through the ventilation groove 803, the second air piston rod 902 and the shielding plate 903 will be pushed to move outward, so that the shielding plate 903 squeezes and pushes the valve ball 7031 to move back to its original position, and the bottom end of the conveying groove 702 can be blocked.

[0060] As Figure 6 shown, a reflux component 10 is disposed inside the outer sealing ring 3 and outside the conveying groove 702. The reflux component 10 includes a reflux groove 101, a second one-way valve flap 102, a blocking member 103, and a connecting spring 104;

[0061] The outer sealing ring 3 is communicated with the first corrugated expansion pipe 501 through an oil storage chamber 503. One end of the reflux groove 101 is communicated with the lubricating groove 704. The second one-way valve flap 102 is disposed inside the cavity of the reflux groove 101. The blocking member 103 is movably installed inside the outer sealing ring 3, and the bottom end extends into the reflux groove 101. The top end of the blocking member 103 is elastically connected to the inner wall of the outer sealing ring 3 through the connecting spring 104.

[0062] Adopting the above solution: by providing the second one-way valve flap 102, when the baffle 903 moves to one side, one end of the baffle 903 will squeeze and push the whole plugging member 103 to move synchronously, so that the plugging member 103 releases the shielding and sealing of the reflux groove 101, and the negative pressure generated when the first corrugated expansion pipe 501 extends can smoothly suck the second one-way valve flap 102 to turn over and open.

[0063] The working principle and usage process of the present invention:

[0064] First of all, when the transverse member and the longitudinal member are respectively installed and fixed on the outer side of the installation node main body housing 1 and are in contact with the outer end of the rectangular plate 204, and when the transverse member and the longitudinal member are subjected to external stress, the rectangular plate 204 will push the damping rod 202 to retract into the inner cavity of the damping cylinder 201, so that part of the hydraulic oil in the inner cavity at the inner end of the damping cylinder 201 enters the damping medium storage chamber 203 through the one-way valve, and the damping purpose is achieved through the damping medium in the damping medium storage chamber 203, and the other part of the hydraulic oil enters the outer end inner cavity of the damping cylinder 201 through the one-way valve for replenishment.

[0065] Then, when the rectangular plate 204 pushes the damping rod 202 to quickly retract into the inner cavity of the damping cylinder 201, the first corrugated expansion pipe 501 will be compressed, so that the hydraulic oil in the first corrugated expansion pipe 501 unidirectionally passes through the first one-way valve flap 502 and enters the interior of the oil storage chamber 503, and part of the lubricating oil in the oil storage chamber 503 is squeezed into the inner cavity of the hydraulic cylinder 601. At this time, the hydraulic piston rod 602 and the rolling ball 603 are pushed to move outward, so that the outer end of the rolling ball 603 is in close contact with the outer shell 1 of the installation node main body, so that the sliding connection between the surface of the rectangular plate 204 and the interior of the outer shell 1 of the installation node main body becomes a rolling connection, greatly reducing the friction force and making the overall movement of the rectangular plate 204 smoother.

[0066] At the same time, when the oil in the first corrugated expansion pipe 501 squeezes the lubricating oil in the oil storage chamber 503, another part of the second corrugated expansion pipe 701 will enter the conveying groove 702, and then the lubricating oil will squeeze and push the valve ball 7031 to move to one side, releasing the plugging between the conveying groove 702 and the lubricating groove 704, and the lubricating oil enters the lubricating groove 704. At this time, the surface of the damping rod 202 and the contact surface between the inner wall of the damping cylinder 201 can be lubricated to reduce wear.

[0067] Finally, when the lubricating groove 704 is filled with lubricating oil, the first pneumatic piston rod 802 will be squeezed and compressed into the inner cavity of the first pneumatic cylinder 801, so that the gas in the inner cavity of the first pneumatic cylinder 801 is pushed through the ventilation groove 803 into the second pneumatic cylinder 901, increasing the air pressure in the inner cavity of the second pneumatic cylinder 901. This can push the second pneumatic piston rod 902 and the baffle 903 as a whole to move to one side, squeezing and pushing the valve ball 7031 as a whole to move back to its original position, stopping the partial supply of lubricating oil into the lubricating groove 704. Moreover, one end of the baffle 903 will squeeze and push the plugging member 103 to move, so that the plugging member 103 releases the plugging of the inner part of the return groove 101. After that, when the damping rod 202 and the oil storage chamber 503 as a whole quickly reset, a negative pressure will be generated while the oil storage chamber 503 expands, which can drive the second one-way valve flap 102 to flip open, and quickly suck the lubricating oil in the lubricating groove 704 back into the oil storage chamber 503, realizing the recovery of part of the lubricating oil.

[0068] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0069] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ship installation node shock absorbing assembly, characterized in that: It includes a mounting node main body housing (1); A damper (2) is arranged on the outside of the mounting node main body housing (1); A hydraulic assembly (5) is arranged on the outer surface of the damper (2); The lubricating oil delivery assembly (7) comprises a second bellows expansion tube (701), the second bellows expansion tube (701) is fixedly connected to the inside of the damper (2) and is located outside the hydraulic assembly (5), a delivery groove (702) is provided inside the damper (2) and is fixedly connected to one end of the second bellows expansion tube (701), a one-way valve group (703) is movably installed inside the inner end of the delivery groove (702), and a lubricating groove (704) is provided inside the damper (2) and is located inside the delivery groove (702).

2. The ship installation node shock absorbing assembly according to claim 1, characterized in that: The one-way valve assembly (703) includes a valve ball (7031) and a power spring (7032); The valve ball (7031) is movably mounted on the inner wall of the inner end of the conveying groove (702), and the valve ball (7031) is elastically connected to the inner wall of the conveying groove (702) via a power spring (7032).

3. The ship installation node shock absorbing assembly according to claim 1, characterized in that: The damper (2) comprises a damping cylinder (201), a damping rod (202), a damping medium storage chamber (203) and a rectangular plate (204); The damping cylinder (201) is fixedly installed inside the main housing (1) of the mounting node, the damping rod (202) is movably installed in the inner cavity of the damping cylinder (201), the damping medium storage chamber (203) is opened at the outer end of the inner cavity of the damping cylinder (201), and the rectangular plate (204) is fixedly installed on the outer end of the damping rod (202).

4. The ship installation node shock absorbing assembly according to claim 3, characterized in that: An outer sealing ring (3) and an inner sealing ring (4) located outside the one-way valve group (703) are arranged inside the damping cylinder (201).

5. The ship installation node shock absorbing assembly according to claim 3, characterized in that: A friction reduction component (6) is disposed inside the outer end of the rectangular plate (204), and the friction reduction component (6) comprises a hydraulic cylinder (601), a hydraulic piston rod (602) and a rolling ball (603); The hydraulic cylinder (601) is fixedly mounted on the inner cavity of the outer end of the rectangular plate (204), the hydraulic piston rod (602) is movably mounted on the inner cavity of the hydraulic cylinder (601), and the rolling ball (603) is slidably connected to the outer end of the hydraulic piston rod (602).

6. The ship installation node shock absorbing assembly according to claim 1, characterized in that: The hydraulic assembly (5) comprises a first bellows expansion tube (501), a first one-way valve flap (502) and an oil storage chamber (503); The first bellows expansion tube (501) is fixedly installed between the damping cylinder (201) and the rectangular plate (204) and is located on the surface of the damping rod (202); the first one-way valve flap (502) is arranged inside the outer end of the first bellows expansion tube (501); and the oil storage chamber (503) is opened inside the rectangular plate (204).

7. The ship installation node shock absorbing assembly according to claim 6, characterized in that: The first bellows expansion tube (501) is in communication with the inner cavity of the oil storage chamber (503) via a plurality of circular holes.

8. The ship installation node shock absorbing assembly according to claim 3, characterized in that: The damping cylinder (201) is provided with a pneumatic assembly (8) located outside the one-way valve group (703), wherein the pneumatic assembly (8) comprises a first pneumatic cylinder (801), a first pneumatic piston rod (802) and a venting groove (803); The first pneumatic cylinder (801) is fixedly installed inside the damper (2) and is located in the middle of the outer end of the one-way valve group (703). The first pneumatic piston rod (802) is movably installed in the inner cavity of the first pneumatic cylinder (801). The ventilation groove (803) is opened at the outer end of the first pneumatic cylinder (801).

9. The ship installation node shock absorbing assembly according to claim 3, characterized in that: A shielding assembly (9) located outside the first pneumatic cylinder (801) is arranged inside the damping cylinder (201), and the shielding assembly (9) comprises a second pneumatic cylinder (901), a second pneumatic piston rod (902) and a shielding plate (903); The second pneumatic cylinder (901) is fixedly mounted on the outside of the first pneumatic cylinder (801), the second pneumatic piston rod (902) is movably mounted in the inner cavity of the second pneumatic cylinder (901), the shielding plate (903) is fixedly mounted on the outer end of the second pneumatic piston rod (902), and the inner end of the second pneumatic cylinder (901) is fixedly connected to the ventilation groove (803).

10. The ship installation node shock absorbing assembly according to claim 4, characterized in that: A reflux component (10) located outside the conveying groove (702) is arranged inside the outer sealing ring (3), and the reflux component (10) comprises a reflux groove (101), a second one-way valve flap (102), a blocking member (103) and a connecting spring (104); The outer sealing ring (3) is connected to the first bellows (501) through the oil storage chamber (503); one end of the reflux groove (101) is connected to the lubrication groove (704); the second one-way valve flap (102) is arranged in the inner cavity of the reflux groove (101); the blocking member (103) is movably installed inside the outer sealing ring (3), and the bottom end extends into the reflux groove (101); the top end of the blocking member (103) is elastically connected to the inner wall of the outer sealing ring (3) through a connecting spring (104).

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