CN215486228U

CN215486228U - Silencer cooling system of amphibious vehicle

Info

Publication number: CN215486228U
Application number: CN202122168502.3U
Authority: CN
Inventors: 王修华; 王宗新; 蔡琴; 詹森群; 杨胜杰
Original assignee: Chongqing Zhongzhong Security Equipment Co ltd
Current assignee: Chongqing Zhongzhong Security Equipment Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-11
Anticipated expiration: 2031-09-08

Abstract

The utility model provides a muffler cooling system of an amphibious vehicle, which comprises an engine, a muffler, a first exhaust pipe, a second exhaust pipe, a cooling box, an axial flow water-jet propeller, a water inlet pipe, a first exhaust pipe and a first one-way valve, wherein the cooling pipe is sleeved on the first exhaust pipe, a sealing plate is arranged at the first end of the cooling pipe, the second end of the cooling pipe is communicated with the cooling box, the muffler is positioned in the cooling box, the axial flow water-jet propeller comprises a propeller main pump and a water outlet pipe connected to the propeller main pump, the first end of the water inlet pipe is connected with one end, close to the water outlet pipe, of the propeller main pump, the second end of the water inlet pipe is connected with the first end of the cooling pipe, the first one-way valve is arranged on the water inlet pipe, the first one-way valve is used for supplying water to flow from the first end of the water inlet pipe to the second end of the water inlet pipe, and the first end of the first exhaust pipe is connected with the upper part of the cooling box. Due to the adoption of the technical scheme, the cooling effect on the exhaust pipe and the silencer is good, and the service life of the silencer can be prolonged.

Description

Silencer cooling system of amphibious vehicle

Technical Field

The utility model belongs to the technical field of amphibious vehicles, and particularly relates to a muffler cooling system of an amphibious vehicle.

Background

The existing amphibious vehicle mostly adopts an engine as power, high-temperature gas generated in the working process of the engine is exhausted through an exhaust pipe and a silencer, the exhaust pipe and the silencer can be heated by the high-temperature gas, the temperature of the exhaust pipe and the silencer is extremely high, and the service life of the silencer is influenced. Although there is an amphibious vehicle that cools the exhaust pipe and the muffler through an air cooling method, the cooling effect is poor through the air cooling method.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides a muffler cooling system of an amphibious vehicle.

The utility model aims to realize the technical scheme that the engine-driven water-jet propeller comprises an engine, a silencer, a first exhaust pipe, a second exhaust pipe, a cooling tank, an axial-flow water-jet propeller, a water inlet pipe, a first exhaust pipe and a first one-way valve, wherein the first end of the first exhaust pipe is connected with the engine, the second end of the first exhaust pipe is connected with an inlet of the silencer, the second exhaust pipe is connected with an outlet of the silencer, the cooling pipe is sleeved on the first exhaust pipe, the first end of the cooling pipe is provided with a sealing plate, the sealing plate is used for sealing a gap between the first end of the cooling pipe and the first exhaust pipe, the second end of the cooling pipe is communicated with the cooling tank, the silencer is positioned in the cooling tank, the axial-flow water-jet propeller comprises a propeller main pump and a water outlet pipe connected to the propeller main pump, the first end of the water inlet pipe is connected with one end, close to the water outlet pipe, of the propeller main pump, the second end of inlet tube is connected the first end of cooling tube, first check valve is located on the inlet tube, first check valve is used for supplying water and flows from the first end of inlet tube to the second end of inlet tube, the upper portion of cooler bin is connected to the first end of first blow-off pipe.

Further, the second end of the first water outlet pipe is connected to the outlet end of the water outlet pipe.

Further, cooling system still includes first body, second body and condenser, be equipped with first tee bend on the inlet tube, first tee bend is located one side that deviates from axial compressor water jet propulsor of first check valve, the cooler bin is connected to the first end of first body, the hookup location of first body and cooler bin is less than the hookup location of first blast pipe and cooler bin, the entry of condenser is connected to the second end of first body, the export of condenser is connected to the first end of second body, the second end of second body is through first tee junction inlet tube, be equipped with the second check valve on the second body, the second check valve is used for supplying water and flows to the second end of second body from the first end of second body, be equipped with first water pump on the second body.

Furthermore, cooling system still includes third body and second water pump, be equipped with the second tee bend on the inlet tube, the second tee bend is located the one side that deviates from axial compressor water jet propulsor of first check valve, the delivery port of second water pump is connected to the first end of third body, the second end of third body passes through the second tee junction inlet tube, be equipped with the third check valve on the third body, the third check valve is used for supplying water and flows to the second end of third body from the first end of third body.

Furthermore, a second drain pipe is arranged on the cooling box, and the connecting position of the second drain pipe and the cooling box is higher than the connecting position of the first drain pipe and the cooling box.

Further, the cooling box is provided with an air outlet pipe, and the connecting position of the air outlet pipe and the cooling box is higher than the connecting position of the second drain pipe and the cooling box.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

when the amphibious vehicle provided by the utility model runs on water, the main pump of the propeller of the axial-flow water-jet propeller can pump water into the cooling box through the gaps among the water inlet pipe, the cooling pipe and the first exhaust pipe in sequence, and then the water is discharged from the cooling box through the first exhaust pipe, and in the process, the water can cool the first exhaust pipe and the silencer. Because be equipped with the first check valve that supplies water from the first end flow direction inlet tube's of inlet tube second end on the inlet tube, after axial flow water jet propeller stop work, the water in the water and the cooling box between cooling tube and the first blast pipe in the clearance can't be followed the inlet tube and discharged, and the upper portion of drain pipe connection cooling box, go to trun into land after the amphibious car goes from on water, still leave water in the clearance between cooling tube and the first blast pipe and in the cooling box, when the amphibious car goes on land, the water in the water and the cooling box in the clearance between cooling tube and the first blast pipe still can cool off blast pipe and silencer. The muffler cooling system of the amphibious vehicle can cool the exhaust pipe and the muffler through water when the amphibious vehicle runs on water or land, has a good cooling effect, and can prolong the service life of the muffler.

Drawings

FIG. 1 is a schematic structural diagram of a muffler cooling system of an amphibious vehicle according to the present invention;

FIG. 2 is a schematic structural diagram of a shaft flow water jet propeller in a muffler cooling system of an amphibious vehicle.

In the figure, 1, an engine; 2. a muffler; 3. a first exhaust pipe; 4. a second exhaust pipe; 5. a cooling tube; 6. a cooling tank; 7. an axial flow water jet propeller; 8. a water inlet pipe; 9. a first drain pipe; 10. a first check valve; 11. a closing plate; 12. a propeller main pump; 13. a water outlet pipe; 14. a first pipe body; 15. a second tube body; 16. a condenser; 17. a first tee joint; 18. a first water pump; 19. a second one-way valve; 20. a third tube; 21. a second water pump; 22. a second tee joint; 23. a third check valve; 24. a second drain pipe; 25. and an air outlet pipe.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.

As shown in fig. 1, the exhaust gas purification device comprises an engine 1, a muffler 2, a first exhaust pipe 3, a second exhaust pipe 4, a cooling pipe 5, a cooling tank 6, an axial flow water jet propeller 7, a water inlet pipe 8, a first exhaust pipe 9 and a first one-way valve 10, wherein a first end of the first exhaust pipe 3 is connected with the engine 1, a second end of the first exhaust pipe 3 is connected with an inlet of the muffler 2, the second exhaust pipe 4 is connected with an outlet of the muffler 2, and exhaust gas generated during the operation of the engine 1 is sequentially discharged through the first exhaust pipe 3, the muffler 2 and the second exhaust pipe 4.

As shown in fig. 1 and 2, the first exhaust pipe 3 is located inside the cooling pipe 5, and a gap through which water passes is provided between the first exhaust pipe 3 and the cooling pipe 5. The first end of the cooling pipe 5 is provided with a closing plate 11, and the closing plate 11 is used for closing a gap between the first end of the cooling pipe 5 and the first exhaust pipe 3, so that water cannot leak out of the first end of the cooling pipe 5. The second end of the cooling pipe 5 is communicated with a cooling box 6, the silencer 2 is positioned in the cooling box 6, and a space for containing water is arranged between the silencer 2 and the cooling box 6. The outlet of the second exhaust pipe 4 passes through the upper end of the cooling box 6. The axial flow water-jet propeller 7 comprises a propeller main pump 12 and a water outlet pipe 13 connected to the propeller main pump 12, and when the propeller main pump 12 works, water enters the propeller main pump 12 from a water inlet of the axial flow water-jet propeller 7 and then is discharged from the water outlet pipe 13, so that thrust is generated to drive the amphibious vehicle. The one end that is close to outlet pipe 13 of propeller main pump 12 is connected to the first end of inlet tube 8, and the one end that propeller main pump 12 is close to outlet pipe 13 has great water pressure, can press water into in the inlet tube 8. The first end of 5 cooling tubes is connected to the second end of inlet tube 8, first check valve 10 is located on inlet tube 8, first check valve 10 is used for supplying water and flows from the first end of inlet tube 8 to the second end of inlet tube 8, and the water in the inlet tube 8 can't flow to the first end of inlet tube 8 through the check valve. The first end of the first water discharge pipe 9 is connected with the upper part of the cooling tank 6, and water entering the water inlet pipe 8 can enter the cooling tank 6 through the gap between the first water discharge pipe 3 and the cooling pipe 5 and then is discharged from the first water discharge pipe 9.

Connect the second end of first drain pipe 9 in the exit end of outlet pipe 13, the exit end of outlet pipe 13 has high-speed rivers, and high-speed rivers can produce certain suction, and the hydroenergy that will cool off in the case 6 can be guaranteed to discharge smoothly from first drain pipe 9 through the suction of first drain pipe 9.

The cooling system further comprises a first pipe body 14, a second pipe body 15 and a condenser 16, a first tee joint 17 is arranged on the water inlet pipe 8, and the first tee joint 17 is located on one side, away from the axial flow water jet propeller 7, of the first one-way valve 10, so that water flowing to the first tee joint 17 from the second pipe body 15 cannot flow to the first end of the water inlet pipe 8 through the first one-way valve 10. The cooling box 6 is connected to the first end of first body 14, the hookup location of first body 14 and cooling box 6 is less than the hookup location of first drain pipe 9 and cooling box 6, the entry of condenser 16 is connected to the second end of first body 14, the export of condenser 16 is connected to the first end of second body 15, the second end of second body 15 passes through first tee bend 17 and connects inlet tube 8, be equipped with first water pump 18 on the second body 15. When the amphibious vehicle runs on land, the first water pump 18 is started, under the pumping action of the first water pump 18, water in the cooling box 6 sequentially flows through the first pipe body 14, the condenser 16, the second pipe body 15, the water inlet pipe 8 and the first water discharge pipe 9 and the cooling pipe 5 are in clearance and then returns to the cooling box 6, the first water pump 18 can enable the water to continuously circulate in the cooling box 6, the first pipe body 14, the condenser 16, the second pipe body 15, the water inlet pipe 8 and the clearance between the first water discharge pipe 9 and the cooling pipe 5, when the water flows through the condenser 16, the condenser 16 can cool the water, and the cooling effect on the exhaust pipe and the silencer 2 can be improved.

The second pipe body 15 is provided with a second one-way valve 19, the second one-way valve 19 is used for supplying water from the first end of the second pipe body 15 to the second end of the second pipe body 15, and water cannot flow to the first end of the second pipe body 15 through the second one-way valve 19. When the amphibious vehicle runs on water, water pumped into the water inlet pipe 8 by the propeller main pump 12 of the axial flow water-jet propeller 7 can not enter the condenser 16 through the second pipe body 15, the condenser 16 and the first pipe body 14, the water can only enter the cooling box 6 through the gap between the water inlet pipe 8 and the first water discharge pipe 9 as well as the cooling pipe 5, the water quantity flowing through the gap between the first water discharge pipe 9 and the cooling pipe 5 can be ensured, and the first water discharge pipe 3 can be ensured to form a better cooling effect.

The cooling system further comprises a third pipe body 20 and a second water pump 21, a second tee 22 is arranged on the water inlet pipe 8, the second tee 22 is located on one side, away from the axial flow water jet propeller 7, of the first check valve 10, the first end of the third pipe body 20 is connected with a water outlet of the second water pump 21, the second end of the third pipe body 20 is connected with the water inlet pipe 8 through the second tee 22, a third check valve 23 is arranged on the third pipe body 20, and the third check valve 23 is used for supplying water to flow from the first end of the third pipe body 20 to the second end of the third pipe body 20, so that the water cannot flow to the first end of the third pipe body 20 through the third check valve 23. When the water-saving cooling box is used, the second water pump 21 is located at the bottom of the amphibious vehicle, when the water is accumulated in a running cabin of the amphibious vehicle on water or when the water is accumulated in the cabin due to the fact that the amphibious vehicle runs on the land and meets rainstorm weather, the second water pump 21 is started, the accumulated water in the cabin is pumped into the water inlet pipe 8 by the second water pump 21, then the water enters the cooling box 6 through the water inlet pipe 8 and the gap between the first exhaust pipe 3 and the cooling pipe 5, and after the water in the cooling box 6 reaches the height of the first exhaust pipe 9, the water in the cooling box 6 is discharged from the first exhaust pipe 9. The cooling effect of the exhaust pipe and the silencer 2 can be improved while the accumulated water in the cabin is removed.

And a second water discharge pipe 24 is arranged on the cooling box 6, and the connecting position of the second water discharge pipe 24 and the cooling box 6 is higher than the connecting position of the first water discharge pipe 9 and the cooling box 6. When the amphibious vehicle runs on water, the drainage speed of the first drainage pipe 9 cannot meet the requirement, and the second drainage pipe 24 can play a role in auxiliary drainage.

An air outlet pipe 25 is arranged on the cooling box 6, and the connecting position of the air outlet pipe 25 and the cooling box 6 is higher than the connecting position of the second drain pipe 24 and the cooling box 6. After the temperature of the water in the cooling tank 6 rises, a large amount of water vapor is generated, and the air outlet pipe 25 is used for discharging the water vapor in the cooling tank 6.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.

Claims

1. An amphibious vehicle muffler cooling system characterized in that: the engine cooling device comprises an engine, a silencer, a first exhaust pipe, a second exhaust pipe, a cooling box, an axial flow water jet propeller, a water inlet pipe, a first exhaust pipe and a first one-way valve, wherein the first end of the first exhaust pipe is connected with the engine, the second end of the first exhaust pipe is connected with an inlet of the silencer, the second exhaust pipe is connected with an outlet of the silencer, the cooling pipe is sleeved on the first exhaust pipe, a sealing plate is arranged at the first end of the cooling pipe and used for sealing a gap between the first end of the cooling pipe and the first exhaust pipe, the second end of the cooling pipe is communicated with the cooling box, the silencer is positioned in the cooling box, the axial flow water jet propeller comprises a propeller main pump and an outlet pipe connected onto the propeller main pump, the first end of the water inlet pipe is connected with one end, close to the outlet pipe, of the propeller main pump, and the second end of the water inlet pipe is connected with the first end of the cooling pipe, the first check valve is arranged on the water inlet pipe and used for supplying water to flow from the first end of the water inlet pipe to the second end of the water inlet pipe, and the first end of the first water drainage pipe is connected with the upper part of the cooling box.

2. An amphibious vehicle muffler cooling system as claimed in claim 1, characterised in that: and the second end of the first water outlet pipe is connected to the outlet end of the water outlet pipe.

3. An amphibious vehicle muffler cooling system as claimed in claim 1, characterised in that: the cooling system further comprises a first pipe body, a second pipe body and a condenser, a first tee joint is arranged on the water inlet pipe, the first tee joint is located on one side, deviating from the axial flow water jet propeller, of the first check valve, the cooling box is connected with the first end of the first pipe body, the connecting position of the first pipe body and the cooling box is lower than the connecting position of the first drainage pipe and the cooling box, the second end of the first pipe body is connected with the inlet of the condenser, the first end of the second pipe body is connected with the outlet of the condenser, the second end of the second pipe body is connected with the water inlet pipe through the first tee joint, a second check valve is arranged on the second pipe body, the second check valve is used for supplying water to the second end, flowing from the first end of the second pipe body to the second pipe body, and a first water pump is arranged on the second pipe body.

4. An amphibious vehicle muffler cooling system as claimed in claim 1, characterised in that: the cooling system further comprises a third pipe body and a second water pump, a second tee joint is arranged on the water inlet pipe, the second tee joint is located on one side, away from the axial flow water jet propeller, of the first check valve, a water outlet of the second water pump is connected with the first end of the third pipe body, the second end of the third pipe body is connected with the water inlet pipe through the second tee joint, a third check valve is arranged on the third pipe body, and the third check valve is used for supplying water to flow from the first end of the third pipe body to the second end of the third pipe body.

5. An amphibious vehicle muffler cooling system as claimed in claim 1, characterised in that: and a second drain pipe is arranged on the cooling box, and the connecting position of the second drain pipe and the cooling box is higher than the connecting position of the first drain pipe and the cooling box.

6. An amphibious vehicle muffler cooling system as claimed in claim 5, in which: and an air outlet pipe is arranged on the cooling box, and the connecting position of the air outlet pipe and the cooling box is higher than the connecting position of the second drain pipe and the cooling box.