CN211171838U

CN211171838U - Energy storage type buffering and anti-collision device for ship berthing

Info

Publication number: CN211171838U
Application number: CN201921929189.7U
Authority: CN
Inventors: 李子强; 杜利娥
Original assignee: Zhejiang International Maritime College
Current assignee: Zhejiang International Maritime College
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-08-04
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a boats and ships berth energy storage formula buffering buffer stop: including fixing base on the pier, being used for the contact module with the hull contact, the base with establish the pneumatic cylinder between the contact module, the pneumatic cylinder is furnished with hydraulic circuit, the contact module includes the mounting bracket, the mounting bracket is equipped with the rubber drum of vertical installation. The utility model discloses except being furnished with pneumatic cylinder and hydraulic circuit and making energy storage, buffering, anticollision, still absorbed the advantage of traditional device, utilize the contact of rubber roller and hull, improved the shock-absorbing capacity, can effectively avoid buffering buffer stop impaired, but rolling rubber roller compares with devices such as fixed junked tire moreover, can also avoid the paint on scotch ship board surface.

Description

Energy storage type buffering and anti-collision device for ship berthing

Technical Field

The utility model relates to a port and pier equipment technical field, concretely relates to boats and ships berth energy storage formula buffering buffer stop.

Background

In order to prevent the ship from colliding with the wharf, a scrapped tire or other rubber objects are usually fixed on the side wall of the wharf on the shore as an anti-collision damping device, and the anti-collision device has a certain safety protection effect on the ship. However, the anti-collision pressure relief device has many defects: when a ship is in shore, the ship still moves, and the anti-collision damping device is fixed, so that the ship can play a role of protection only when being close to the shore, the buffer distance is short, the action time is short, the impact force of the ship is very large, larger friction can be generated between the anti-collision damping device and the ship, and the surface of the ship can still be damaged; the fixed anti-collision damping device has limited protection effect on the ship rapidly berthing at the wharf, and particularly, under the action of strong transverse wind, the ship body and a front pile platform cannot be effectively protected when the ship berthing speed is too high; the appearance of the waste tires is ugly, the landscape of the water area is influenced, and the waste tires are easy to fall into the water to cause water pollution. In addition, the existing anti-collision damping device has a single function and is only used for buffering ships in a berthing mode, and large and medium-sized ships or heavy ships need to be towed away from a wharf by a tugboat for a certain distance when being berthed and then sail away from the wharf by autonomous power.

To improve the above-described situation, patent document 1 (CN 106759122A) and patent document 2 (CN 208563264U) each disclose a ship berthing collision avoidance shock absorber including a base fixed to a quay and a contact layer in contact with a ship side, and a plurality of hydraulic cylinders having autonomous power are provided between the base and the contact layer. The anti-collision damping device can enable a ship to lean against a wharf slowly and stably when the ship is in shore, and plays a role in assisting thrust when the ship is off shore, so that the safety and the rapidness of the ship are guaranteed.

The contact layer area of the anti-collision damping device is large, a plurality of universal balls are arranged on the anti-collision damping device, and the contact between the ship board of the ship and the contact layer is not ideal in experiment and simulation use, only a small number of universal balls are in contact with the ship board on the same contact layer under the common condition, and the universal balls are poor in performance under the heavy-load working condition and easy to damage, so that the overall reliability of the system is poor, and the fault-free working time is short.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming that above-mentioned pier buffer stop fault rate is high, the reliability is poor, the utility model provides a pier buffer stop with energy storage function.

The utility model adopts the technical scheme as follows: the utility model provides a boats and ships berth energy storage formula buffering buffer stop, is including fixing base on the pier, be used for the contact element with the hull contact, the base with establish the pneumatic cylinder between the contact element, the pneumatic cylinder is furnished with hydraulic circuit, the contact element includes the mounting bracket, the mounting bracket is equipped with the rubber drum of vertical installation.

The utility model has the advantages that: the utility model discloses except being furnished with pneumatic cylinder and hydraulic circuit and making energy storage, buffering, anticollision, still absorbed the advantage of traditional device, utilize the contact of rubber roller and hull, improved the shock-absorbing capacity, can effectively avoid buffering buffer stop impaired, but rolling rubber roller compares with devices such as fixed junked tire moreover, can also avoid the paint on scotch ship board surface.

Preferably: a plurality of protruding rings are arranged on the peripheral wall of the rubber roller along the axis direction.

Preferably: and the mounting frames correspond to the rubber rollers one by one.

Preferably: the base and the mounting frame are respectively provided with a group of guide assemblies at the upper end and the lower end, and the hydraulic cylinder is arranged in the middle of the base and the mounting frame.

Preferably: and an energy storage cylindrical spring is arranged outside the guide assembly.

Preferably: the hydraulic circuit comprises a three-position four-way reversing valve, a speed regulating valve, an oil pump and an oil return tank, the three-position four-way reversing valve comprises an oil inlet, an oil return port, an oil outlet and an oil outlet, the oil inlet is communicated with the oil pump, the oil return port is connected with the speed regulating valve to the oil return tank, the oil outlet is communicated with a rodless cavity of the hydraulic cylinder, the oil outlet is communicated with a rod cavity of the hydraulic cylinder, the rodless cavity is communicated with an energy accumulator, and a reversible one-way valve bank is arranged between the rodless cavity and the energy accumulator.

Preferably: the reversible check valve group comprises a two-position three-way reversing valve and two check valves, the two-position three-way reversing valve comprises a second oil inlet, a second oil return port and a second oil outlet, the second oil inlet is communicated with the rodless cavity, the second oil return port and the second oil outlet are respectively connected with one check valve and then communicated to the first energy accumulator, and the two check valves are respectively used for feeding and discharging hydraulic oil in the first energy accumulator.

Preferably: the outlet of the oil pump is communicated with a second energy accumulator, and a reversible check valve group is arranged between the oil pump and the second energy accumulator.

Preferably: the outlet of the oil pump is communicated with a first overflow valve, and the rodless cavity is communicated with a second overflow valve.

Drawings

Fig. 1 is an installation diagram of an embodiment of the present invention.

Fig. 2 is a perspective view illustrating installation of the embodiment of the present invention.

Fig. 3 is a schematic diagram of an embodiment of the present invention.

Fig. 4 is a schematic diagram of a hydraulic circuit according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a pipeline of the reversible check valve set in the embodiment of the present invention.

Wharf 01, hull 02;

the hydraulic control system comprises a base 1, a contact component 2, a mounting frame 201, a rubber roller 202, a convex ring 203, a hydraulic cylinder 3, a rod cavity 301, a rodless cavity 302, a hydraulic circuit 4, a three-position four-way reversing valve 401, a speed regulating valve 402, an oil pump 403, an oil return tank 404, a first energy accumulator 405, a reversible one-way valve group 406, a two-position three-way reversing valve 407, a one-way valve 408, a second energy accumulator 409, a first overflow valve 410, a second overflow valve 411, a guide component 5 and an energy storage cylindrical spring 6;

the oil pump comprises a first oil inlet P1, a first oil return port T1, a first oil outlet A1, a third oil outlet A3, a second oil inlet P2, a second oil return port T2 and a second oil outlet A2.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

In the examples, as shown in FIGS. 1 to 3: the utility model provides a boats and ships berth energy storage formula buffering buffer stop, includes the base 1 of fixing on pier 01, is used for the contact module 2 with hull 02 contact, base 1 with establish pneumatic cylinder 3 between the contact module 2, pneumatic cylinder 3 is furnished with hydraulic circuit 4, contact module 2 includes mounting bracket 201, mounting bracket 201 is equipped with the rubber drum 202 of vertical installation. The embodiment is provided with the hydraulic cylinder 3 and the hydraulic loop 4 for energy storage, buffering and collision prevention, and also absorbs the advantages of the traditional device, the contact piece between the rubber roller 202 and the ship body 02 is utilized, the buffering performance is improved, the damage of the buffering and collision prevention device can be effectively avoided, and the rolling rubber roller 202 can be compared with fixed waste tires and other devices, and the paint on the surface of the ship board 02 can be prevented from being scratched.

In the example, as shown in fig. 3: a plurality of convex rings 203 are arranged on the outer peripheral wall of the rubber roller 202 along the axial direction. The dry raised rings 203 of the embodiment can reduce the contact area between the rubber roller 202 and the surface of the ship board 02, reduce the friction force between the ship board 02 and the rubber roller when the ship board 02 fluctuates up and down, and the uniformly distributed raised rings 203 can play a role of reinforcing rings, so that the whole stress of the rubber roller 202 is more dispersed and more uniform, and the rubber roller is not easy to crack and other faults.

In the embodiment, as shown in fig. 2 and 3: the number of the mounting brackets 201 corresponds to the number of the rubber rollers 202. Since the mount 201 of the present embodiment has a significantly smaller area than the contact layer in patent document 2 (CN 208563264U), the respective hydraulic cylinders 3 can be uniformly applied, and the performance of the entire system can be maximized.

In the example, as shown in fig. 3: base 1 and mounting bracket 201 respectively are equipped with a set of direction subassembly 5 at upper and lower both ends, pneumatic cylinder 3 sets up the middle part of base 1 and mounting bracket 201. The guide assembly 5 of the embodiment is used for guiding and partially bearing the radial force of the hydraulic cylinder 3 caused by fore-and-aft sliding when the ship body 02 is in shore, and the hydraulic cylinder 3 only needs to bear the axial force, so that the service life of the hydraulic cylinder 3 can be prolonged.

In the example, as shown in fig. 3: and an energy storage cylindrical spring 6 is arranged outside the guide assembly 5. The energy storage cylindrical spring 6 of the present embodiment has an elastic member with a large damping coefficient, and constitutes a shock absorbing structure together with the guide member 5, and the energy storage cylindrical spring 6 can also serve as an auxiliary of the first energy accumulator 405, so that the load of the first energy accumulator 405 can be reduced, and the overall pressure of the hydraulic circuit 4 can be reduced. In addition, the energy storage cylindrical spring 6 also has the advantages of convenient installation, space saving and capability of coordinating the normal work of the guide component 5.

In the embodiment, as shown in fig. 4 and 5: the hydraulic circuit 4 comprises a three-position four-way reversing valve 401, a speed regulating valve 402, an oil pump 403 and an oil return tank 404, the three-position four-way reversing valve 401 comprises a first oil inlet P1, a first oil return port T1, a first oil outlet A1 and a third oil outlet A3, the first oil inlet P1 is communicated with the oil pump 403, the first oil return port T1 is connected with the speed regulating valve 402 to the oil return tank 404, the first oil outlet A1 is communicated with a rod cavity 301 of the hydraulic cylinder 3, the third oil outlet A3 is communicated with a rodless cavity 302 of the hydraulic cylinder 3, the rodless cavity 302 is communicated with a first energy accumulator 405, and a reversible one-way valve bank 406 is arranged between the rodless cavity 302 and the first energy accumulator 405.

In the embodiment, as shown in fig. 4 and 5: the reversible one-way valve set 406 comprises a two-position three-way reversing valve 407 and two one-way valves 408, the two-position three-way reversing valve 407 comprises a second oil inlet P2, a second oil return port T2 and a second oil outlet A2, the second oil inlet P2 is communicated with the rodless cavity 302, the second oil return port T2 and the second oil outlet A2 are respectively connected with one-way valve 408 and then communicated to the first energy accumulator 405, and the flow directions of hydraulic oil in the two one-way valves 408 are respectively inlet and outlet of the first energy accumulator 405.

In the embodiment, as shown in fig. 4 and 5: an outlet of the oil pump 403 is communicated with a second energy accumulator 409, and a reversible check valve set 406 is arranged between the oil pump 403 and the second energy accumulator 409.

In the embodiment, as shown in fig. 4 and 5: an outlet of the oil pump 403 is communicated with a first overflow valve 410, and the rodless cavity 302 is communicated with a second overflow valve 411.

The principle and operation of the hydraulic circuit 4 of the present embodiment are basically the same as those of patent document 2 (CN 208563264U), and are not described here again.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a boats and ships berth energy storage formula buffering buffer stop, is including fixing base (1) on pier (01), be used for contact module (2) with hull (02) contact, base (1) with establish pneumatic cylinder (3) between contact module (2), pneumatic cylinder (3) are furnished with hydraulic circuit (4), its characterized in that: the contact assembly (2) comprises a mounting frame (201), and the mounting frame (201) is provided with a vertically mounted rubber roller (202).

2. The energy storage type buffering and anti-collision device for berthing of ships according to claim 1, characterized in that: a plurality of protruding rings (203) are arranged on the outer peripheral wall of the rubber roller (202) along the axial direction.

3. The energy storage type buffering and anti-collision device for berthing of ships according to claim 1, characterized in that: each mounting frame (201) corresponds to the number of the rubber rollers (202) one by one.

4. The energy storage type buffering and anti-collision device for berthing of ships according to claim 1, characterized in that: base (1) and mounting bracket (201) respectively are equipped with a set of direction subassembly (5) at upper and lower both ends, pneumatic cylinder (3) set up the middle part of base (1) and mounting bracket (201).

5. The energy storage type buffering and anti-collision device for berthing of ships according to claim 4, characterized in that: and an energy storage cylindrical spring (6) is arranged outside the guide assembly (5).

6. The energy storage type buffering and anti-collision device for berthing of ships according to claim 1, characterized in that: the hydraulic circuit (4) comprises a three-position four-way reversing valve (401), a speed regulating valve (402), an oil pump (403) and an oil return tank (404), the three-position four-way reversing valve (401) comprises an oil inlet (P1), an oil return port (T1), an oil outlet (A1) and a third oil outlet (A3), the oil inlet (P1) is communicated with the oil pump (403), the oil return port (T1) is connected with the speed regulating valve (402) to the oil return tank (404), the oil outlet (A1) is communicated with a rodless cavity (302) of a hydraulic cylinder (3), the third oil outlet (A3) is communicated with a rod cavity (301) of the hydraulic cylinder (3), the rodless cavity (302) is communicated with an energy accumulator (405), and a reversing one-way valve bank (406) is arranged between the rodless cavity (302) and the energy accumulator (405).

7. The energy storage type ship berthing buffer collision avoidance device according to claim 6, wherein: the reversible one-way valve bank (406) comprises a two-position three-way reversing valve (407) and two one-way valves (408), the two-position three-way reversing valve (407) comprises a second oil inlet (P2), a second oil return port (T2) and a second oil outlet (A2), the second oil inlet (P2) is communicated with the rodless cavity (302), the second oil return port (T2) and the second oil outlet (A2) are respectively connected with one-way valve (408) and then communicated to the first energy accumulator (405), and the flow directions of hydraulic oil in the two one-way valves (408) are respectively inlet and outlet of the first energy accumulator (405).

8. The energy storage type ship berthing buffer collision avoidance device according to claim 6, wherein: an outlet of the oil pump (403) is communicated with a second energy accumulator (409), and a reversible check valve bank (406) is arranged between the oil pump (403) and the second energy accumulator (409).

9. The energy storage type ship berthing buffer collision avoidance device according to claim 6, wherein: an outlet of the oil pump (403) is communicated with a first overflow valve (410), and the rodless cavity (302) is communicated with a second overflow valve (411).