CN-224197955-U - Closed cooling water internal circulation device for unmanned ship gasoline external hanging machine

Abstract

The utility model discloses a closed cooling water internal circulation device of an unmanned ship gasoline external hanging machine, which relates to the technical field of external hanging machine cooling, and comprises an external hanging machine, a main water cooling mechanism, a standby water cooling mechanism and a constant temperature mechanism, wherein a water inlet and a water outlet are arranged on the external hanging machine; through the cooperation of main water-cooling mechanism, reserve water-cooling mechanism and constant temperature mechanism for the cooled cooling water of outer hanging machine realizes the inner loop, compares with prior art, has solved the temperature that directly uses outside cooling water to cause too low, the internal temperature is too high and the thermal stress that causes and cavitation lead to reduce life, has solved the water that the face water composition is complicated, contains silt volume, salt content, impurity content is more, and the frequent flameout of marine petrol hanging machine leads to unable problem of using, simultaneously, the forced air cooling that adopts and the internal loop device that water-cooling combined together have effectively solved the difficult problem of controlling of inner loop temperature.

Inventors

• WANG DERUI
• HU PING
• SU XIN
• YANG CHUANHUA
• LI SIPING
• ZHANG JIAYI
• XIE WEI
• SHI ZELIN
• WU JIAO
• WANG XINRONG

Assignees

• 长江泸州航道局

Dates

Publication Date

20260505

Application Date

20250603

Claims (6)

1. 1. The closed cooling water internal circulation device of the unmanned ship gasoline external hanging machine comprises an external hanging machine (1), wherein a water inlet (11) and a water outlet (12) are arranged on the external hanging machine (1), and the closed cooling water internal circulation device is characterized by also comprising a main water cooling mechanism, a standby water cooling mechanism and a constant temperature mechanism; the main water cooling mechanism comprises an air cooling water tank (2), a first water pipe (21) is fixedly connected between the air cooling water tank (2) and a water outlet (12), a second water pipe (22) is fixedly connected between the air cooling water tank (2) and a water inlet (11), and a main water pump (23) is arranged on the second water pipe (22).
2. 2. The closed cooling water internal circulation device for the gasoline external hanging machine of the unmanned ship according to claim 1, wherein the outer surface of the air cooling water tank (2) is fixedly connected with fins (24).
3. 3. The closed cooling water internal circulation device of the unmanned ship gasoline external hanging machine according to claim 1, wherein the standby water cooling mechanism comprises a water cooling water tank (3), a water pipe III (31) and a water pipe IV (32) are fixedly connected to the water cooling water tank (3) respectively, one side, close to the water outlet (12), of the tail end of the water pipe III (31) and the outer end of the water pipe I (21) is fixedly connected, and one side, close to the air cooling water tank (2), of the tail end of the water pipe IV (32) and the outer end of the water pipe I (21) is fixedly connected.
4. 4. A closed cooling water internal circulation device for an unmanned ship gasoline external hanging machine according to claim 3, wherein a water supplementing valve (33) is fixedly arranged at the top of the water pipe III (31).
5. 5. The closed cooling water internal circulation device of the unmanned ship gasoline external hanging machine according to claim 3, wherein the constant temperature mechanism comprises a temperature controller (4), the temperature controller (4) is electrically connected with a cold water pump (41), an electromagnetic valve (42) and a water temperature probe (43) through wires, the cold water pump (41) and the electromagnetic valve (42) are both installed on a water pipe III (31), the cold water pump (41) is located on one side, close to a water cooling water tank (3), of the electromagnetic valve (42), and the water temperature probe (43) is installed on the inner side wall of an air cooling water tank (2) in an embedded mode.
6. 6. The closed cooling water internal circulation device for the unmanned ship gasoline external hanging machine, which is disclosed in claim 1, wherein an electromagnetic three-way switching valve I (13) is fixedly connected between the end part of the water pipe I (21) and the water outlet (12), and an electromagnetic three-way switching valve II (14) is fixedly connected between the end part of the water pipe II (22) and the water inlet (11).

Description

Closed cooling water internal circulation device for unmanned ship gasoline external hanging machine Technical Field The utility model relates to the technical field of external hanging machine cooling, in particular to a closed cooling water internal circulation device for an unmanned ship gasoline external hanging machine. Background The outboard motor for ship is a combined outboard motor for ship and propeller, and is hung on the stern of ship, and the propeller is extended into water to drive ship to advance. Because the equipment has high rotating speed and high power, open external circulating water cooling is generally adopted, one side of a propeller in water is provided with a water inlet, the machine rotates to drive an impeller to pump the water into a system for cooling, and then the water is directly discharged to the outside. The cooling scheme is generally suitable for oceans, lakes and water bodies without more impurities, is not suitable for yellow river water bodies with extremely high sediment content or a large amount of floaters, is extremely easy to block water channels and aggravate abrasion, and causes equipment flameout to work abnormally. In order to solve the problems, the application provides a closed cooling water internal circulation device for an unmanned ship gasoline external hanging machine. Disclosure of utility model The utility model provides a closed cooling water internal circulation device of an unmanned ship gasoline external hanging machine, which aims to solve the technical problems. In order to solve the technical problems, the utility model provides a closed cooling water internal circulation device for an unmanned ship gasoline external hanging machine, which comprises an external hanging machine, wherein a water inlet and a water outlet are arranged on the external hanging machine; The main water cooling mechanism comprises an air cooling water tank, a first water pipe is fixedly connected between the air cooling water tank and the water outlet, a second water pipe is fixedly connected between the air cooling water tank and the water inlet, and a main water pump is installed on the second water pipe. Preferably, the outer surface of the air cooling water tank is fixedly connected with fins. Preferably, the standby water cooling mechanism comprises a water cooling water tank, a water pipe III and a water pipe IV are fixedly connected to the water cooling water tank respectively, one side, close to the water outlet, of the outer end of the water pipe III and the outer end of the water pipe I is fixedly connected, and one side, close to the air cooling water tank, of the outer end of the water pipe IV and the outer end of the water pipe I is fixedly connected. Preferably, the water supplementing valve is fixedly arranged at the three tops of the water pipe. Preferably, the constant temperature mechanism comprises a temperature controller, the temperature controller is electrically connected with a cold water pump, an electromagnetic valve and a water temperature probe through wires, the cold water pump and the electromagnetic valve are all installed on the water pipe III, the cold water pump is located on one side, close to the water cooling water tank, of the electromagnetic valve, and the water temperature probe is installed on the inner side wall of the air cooling water tank in an embedded mode. Preferably, an electromagnetic three-way switching valve I is fixedly connected between one end part of the water pipe and the water outlet, and an electromagnetic three-way switching valve II is fixedly connected between the two end parts of the water pipe and the water inlet. Compared with the related art, the closed cooling water internal circulation device for the unmanned ship gasoline external hanging machine has the following beneficial effects: Through the cooperation of main water-cooling mechanism, reserve water-cooling mechanism and constant temperature mechanism for the cooled cooling water of outer hanging machine realizes the inner loop, compares with prior art, has solved the temperature that directly uses outside cooling water to cause too low, the internal temperature is too high and the thermal stress that causes and cavitation lead to reduce life, has solved the water that the face water composition is complicated, contains silt volume, salt content, impurity content is more, and the frequent flameout of marine petrol hanging machine leads to unable problem of using, simultaneously, the forced air cooling that adopts and the internal loop device that water-cooling combined together have effectively solved the difficult problem of controlling of inner loop temperature. Drawings Fig. 1 is a schematic diagram of the overall structure of the present utility model. In the figure, the reference numerals are 1, an external hanging machine, 11, a water inlet, 12, a water outlet, 13, a first electromagnetic three-way switching valve, 14, a second electromagn