KR101648665B1 - Coolant collector of fire truck - Google Patents

Coolant collector of fire truck Download PDF

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Publication number
KR101648665B1
KR101648665B1 KR1020150026235A KR20150026235A KR101648665B1 KR 101648665 B1 KR101648665 B1 KR 101648665B1 KR 1020150026235 A KR1020150026235 A KR 1020150026235A KR 20150026235 A KR20150026235 A KR 20150026235A KR 101648665 B1 KR101648665 B1 KR 101648665B1
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KR
South Korea
Prior art keywords
water
pump
gear box
pipe
cooling water
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KR1020150026235A
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Korean (ko)
Inventor
서민기
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서민기
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Priority to KR1020150026235A priority Critical patent/KR101648665B1/en
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Publication of KR101648665B1 publication Critical patent/KR101648665B1/en

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C27/00—Fire-fighting land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present invention relates to a coolant collector of a fire truck and, more specifically, relates to a coolant collector of a fire truck, which comprises: a water tank (100); a main pipe (110); a pump (120); a vacuum pump (130); a foam liquid tank (140); a foam pipe (141); a waterproof pipe (121); an absorption pipe (131); a self water supply pipe (122); an engine (150); a PTO gear box (160); and a pump driving shaft (123), thereby cooling gear oil in an internal side of the PTO gear box (160). In particular, according to the present invention, the coolant collector of a fire truck prevents cooling water mixed with foam fire extinguishing agent from being discharged to prevent environmental pollution.

Description

Technical Field [0001] The present invention relates to a COOLANT COLLECTOR OF FIRE TRUCK,

The present invention relates to a PTO gearbox for cooling a heat pump to operate a pump of a fire truck in order to prevent water from being exposed to fire and various disasters, In particular, the present invention relates to a cooling water recovering device, and more particularly, to a cooling water recovering device capable of preventing a waste water source from being wasted, as well as being easy to install and maintain, and to prevent safety accidents such as personnel accidents and vehicle accidents caused by freezing of cooling water in winter And a coolant recovery device for fire trucks that can significantly reduce the amount of calcium chloride used in the fire suppression in winter and prevent environmental pollution by preventing discharge of cooling water mixed with foam fire extinguishing agent.

Generally, a fire truck is essentially provided with a pump device for jetting water stored in the water tank or outside, and a waterproofing device for jetting water at an increased pressure by the pump. Such a conventional pump fire truck comprises a water tank, a pump that pressurizes and emits water, and various pipes serving as a channel through which water flows. In this case, the piping installed in the fire truck is provided with an inflow pipe installed to allow water to be poured into the water tank, a supply pipe installed to supply water in the water tank by the pump, a waterproof pipe which is water- A relay tube for receiving water from other fire trucks, an absorption pipe for supplying the external water to the pump, a self supply pipe for sending the water to the water tank by the pressure of the pump, and a water tank And a maintenance pipe for filling.

In other words, fire trucks use water at the scene of fire suppression and various disasters. In this case, the water used is driven by the driving force from the PTO gear box installed in the engine, so that the pressurized water is pressurized, . At this time, the PTO gearbox operating in a stopped state generates a lot of heat, so that some of the pressurized water is sent to the PTO gear box to cool the PTO gear box, and then discharged to the outside at all times.

However, in the usual discharge type PTO gearbox cooling water piping system installed in a general fire engine as described above, since the cooling water that has cooled the PTO gear box is always discharged to the outside, it is a waste of unnecessary water source, Causing the accidents and causing the accidents of pedestrians and other vehicles due to the remaining freezing even after the withdrawal of fire trucks. The anti-freezing agent, which is sprayed from time to time to prevent this, causes another environmental pollution.

In order to solve the problems caused by the conventional fire engine cooling water, there has been developed a method of recovering the cooling water that has cooled the PTO gear box to a water tank without discharging it to the outside.

However, the above-described method can recover and use the cooling water without discharging it to the outside, thereby causing unnecessary waste of water resources and freezing the surroundings, causing safety accidents, and causing accidents of pedestrians and other vehicles And the problem of the anti-icing agent sprayed from time to time to prevent this could be solved to some extent.

However, when the cooling water is recovered to the water tank as described above, the foam fire extinguishing agent is used when the oil fire is extinguished. In this case, since the foam fire extinguishing agent flows into the water tank together with the cooling water, It is difficult to manage the inside of the water tank as well as to be polluted, and there is a problem that installation and maintenance are difficult.

Accordingly, it is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to solve the above- Which is capable of protecting the water tank by introducing the cooling water into the main pipe.

According to an aspect of the present invention,
A water tank 100, a main pipe 110 provided below the water tank 100, a pump 120 provided on the other side of the main pipe 110, A foam liquid tank 140 and a foam piping 141 provided to supply a foam stabilizing agent to the main piping 110 and a pump 120 for discharging the water pressurized by the pump 120 A water supply pipe 121 for supplying water to the water tank 100; an absorption pipe 131 for sucking outside water by the vacuum pump 130; a self supply pipe 122 for supplying water to the water tank 100; A PTO gear box 160 provided at one side of the engine 150 and a pump 120 receiving the rotational force from the PTO gear box 160 A pump drive shaft (123) for transferring the PTO gear box (160), and a fire engine coolant recovery device for cooling gear oil inside the PTO gear box (160)

The cooling water supply hose 200 is connected to the waterproof pipe 121 at one side and the other side is fastened at the upper end of the PTO gear box 160. Cooling water flowing into the PTO gear box 160 passes through the PTO gear box 160, And a cooling water discharge hose 220 through which the cooling water is discharged to the side of the L-shaped nipple 210 so as to be discharged through the L-shaped nipple 210 provided below the gear box 160 is coupled to the cooling water discharge hose 220 And a T-shaped nipple 230 to which the air supply hose 240 is fastened is fastened to the main pipe 110 at the other side.

delete

According to the present invention, there is provided a cooling water recovery apparatus for a fire truck,

It is easy to install and maintain, it can prevent cooling water from being discharged outside the car body by preventing cooling water from flowing into the main piping, and it can prevent accidental accidents such as personnel accidents and car accidents due to freezing of cooling water during winter fire suppression. And can reduce the amount of calcium chloride used in the winter when the fire is extinguished. Also, even if foam fire extinguishing agent is used to fight off the oil fires, cooling water mixed with foam fire extinguishing agent flows into the main pipe to prevent environmental pollution and protect the water tank And it is possible to prevent safety accidents and to save a lot of budget by the above-mentioned effect.

FIG. 1 is a perspective view showing a main part of a fire truck in a cooling water recovery apparatus for a fire truck according to the present invention,
2 is a partial perspective view showing the flow of cooling water circulating in the cooling water recovery apparatus for a fire truck according to the present invention,
FIG. 3 is a perspective view showing a state in which cooling water is withdrawn to the main pipe when withdrawing in the field in the cooling water recovery apparatus for a fire truck according to the present invention,
4 is a partial perspective view showing another embodiment of the present invention, which is another method of recovering cooling water in the cooling water recovery apparatus for a fire truck according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in the accompanying drawings, the present invention is characterized in that, in the structure for waterproofing the structure of a fire engine, the cooling water can be recovered without being discharged to the outside.

FIG. 1 is a perspective view of a main part of a fire truck according to the present invention. As shown in the accompanying drawings, a water tank for waterproofing fire trucks comprises a water tank 100, A vacuum pump 130 provided at one side of the pump 120 and a main pump 110 connected to the main pipe 110. The main pipe 110 is connected to the main pipe 110, A foam pipe 141 and a waterproofing pipe 121 for discharging water pressurized by the pump 120 and a vacuum pump 130 for supplying a foamed agent to the vacuum pump 130 An internal water supply pipe 122 for supplying water to the water tank 100; an engine 150 for driving the vehicle propulsion shaft 151 to drive the vehicle; A PTO gear box 160 provided at one side of the engine 150, Receiving the pump drive shaft 123 to pass to the pump 120, it is to consist of a device for cooling the inside of the gear oil the PTO gearbox 160 serves to supply water to a fire or disaster areas.

Here, the process of waterproofing water will be briefly described as follows.

First, when a fire truck operates without waterproofing, it transmits rotational power to a vehicle propelling shaft 151 that receives power from the engine 150 to drive the wheels of the vehicle, The pump 120 drives the pump 120 by transmitting rotational power from the vehicle propelling shaft 151, which receives power from the engine 150, to the pump driving shaft 123 through the PTO gear box 160.

When the pump 120 is operated as described above, the water in the water tank 100 flows into the main pipe 110 and is then pressurized to be sent to the waterproofing pipe 121 and then discharged to the outside. As shown in the accompanying drawings, And a plurality of waterproof pipes 121 are formed so that water can be easily discharged through the fire trucks in all directions.

On the other hand, in a normal fire, the water in the water tank 100 is discharged to the outside as described above. However, in order to suppress the oil fire, general water is limited, and the foam is discharged together with water using a foam fire extinguisher to suppress the fire .

In the process of discharging the foam together with water as described above, the foam agent is supplied from the foam liquid tank 140 in which the foam agent is stored, as shown in the accompanying drawings, and the water and the foam are mixed by the pump 120, And then discharged to the outside together with water.

In addition, when the water is discharged to the outside as described above, the pump 120 is driven to discharge the water to the outside, but the external water is sucked through the vacuum pump 130 provided at one side of the pump 120, The water in the building is sucked into the absorption pipe 131 and then discharged again to the outside. In this case, when the water is removed in the case of water being accumulated in the building, the vacuum pump 130 The water is absorbed and then discharged again through the waterproofing pipe 121 to the outside.

The pump 120 and the vacuum pump 130 must be driven to water and absorb the water by using the pump 120 and the vacuum pump 130. This is because the engine 150, The pump 120 is driven by transmitting power to the pump driving shaft 123 through the PTO gear box 160 provided at one side of the vehicle propelling shaft 151 which is powered by the motor.

However, in order to transmit the power through the operation of the gears in the PTO gear box 160 as described above, since a large number of gears mesh with each other and considerable heat is generated, the gear oil also becomes hot, In order to prevent this, cooling water is used to cool the gear oil.

The cooling water supply hose 200, the L-type nipple 210, the cooling water discharge hose 220, the T-shaped nipple 230, the air supply hose 240, . ≪ / RTI >

The cooling water supply hose 200 is connected to the PTO gear box 160 which is connected to one side of the waterproofing pipe 121 through which the water pressurized by the pump 120 is discharged, At this time, water is naturally introduced into the cooling water supply hose 200 without the need for a separate device by the pressure of the water pressurized by the pump 120. [

The cooling water is supplied to the inside of the PTO gear box 160 through the cooling water supply hose 200 and the cooled cooling water is introduced into the L type nipple 210 provided below the PTO gear box 160 Type nipple 210 and then discharged to the cooling water discharge hose 220 fastened to the other side of the L-shaped nipple 210.

As shown in the accompanying drawings, the T-shaped nipple 230, which is coupled to the other side of the cooling water discharge hose 220, is fastened to the main pipe 110 so that the cooling water flows into the main pipe 110 as a result The air supply hose 240, which is fastened to the other side of the T-shaped nipple 230, supplies air into the piping in order to discharge the water in the piping after the pump 120 is stopped. will be.

The cooling water supply hose 200, the L-type nipple 210, the cooling water discharge hose 220, the T-shaped nipple 230 and the air supply hose 240 are installed in the existing fire truck, The used cooling water can be recovered without discharging it to the outside, and the flow will be described as follows.

As shown in FIG. 2, when the pump 120 is driven, the water flowing through the main pipe 110 is pressurized and then discharged to the waterproofing pipe 121. In the cooling water that is tightened to one side of the waterproofing pipe 121, Water flowing into the supply hose 200 flows into the cooling water supply hose 200 by the pressure of the pressurized water so that the water rapidly flows into the PTO gear box 160 and the gear oil inside the PTO gear box 160 The cooling water heated while passing through the PTO gear box 160 flows into the cooling water discharge hose 220 through the L type nipple 210 which is fastened to the lower side of the PTO gear box 160, Flows into the main pipe 110 through the T-shaped nipple 230 and then flows into the pump 120 after mixing with the water supplied from the water tank 100, and then repeats the above-described flow .

Meanwhile, when the water is waterproofed using fire trucks in the fire and disaster area as described above, the water remaining in the pipe and the hose is removed when all the operations are completed.

The operation of the line pump 120 is stopped to drain the water in the pipe, and when the water is completely drained into the pipe, the pump 120 is operated again and the vacuum pump 130 is operated for about 5 to 10 seconds.

When the vacuum pump 130 is operated as described above, the water in the cooling water supply hose 200 and the cooling water discharge hose 220 is sucked into the main pipe 110 to be supplied to the cooling water supply hose 200 and the cooling water discharge hose 220 3, when the vacuum pump 130 operates, the water in the cooling water supply hose 200 passes through the PTO gear box 160 and passes through the cooling water discharge hose 220 And then flows into the main pipe 110 and is discharged to the natural pipe.

4, a T-shaped nipple 230, not an L-shaped nipple 210, is provided below the PTO gear box 160 as shown in the accompanying drawings, The hose 220 is fastened and the drain valve 250 is fastened to the other end of the hose 220. The drain valve 250 is installed to manually discharge the cooling water.

100; A water tank 110; Main piping
120; A pump 121; Waterproof piping
122; Self-feed water line 123; Pump drive shaft
130; A vacuum pump 131; Absorption piping
140; A foam liquid tank 141; Foam piping
150; An engine 151; Vehicle propulsion shaft
160; PTO gearbox 200; Cooling water supply hose
210; L-type nipple 220; Coolant drain hose
230; T-type nipple 240; Air supply hose
250; Drain valve

Claims (2)

A water tank 100, a main pipe 110 provided below the water tank 100, a pump 120 provided on the other side of the main pipe 110, A foam liquid tank 140 and a foam piping 141 provided to supply a foam stabilizing agent to the main piping 110 and a pump 120 for discharging the water pressurized by the pump 120 A water supply pipe 121 for supplying water to the water tank 100; an absorption pipe 131 for sucking outside water by the vacuum pump 130; a self supply pipe 122 for supplying water to the water tank 100; A PTO gear box 160 provided at one side of the engine 150 and a pump 120 receiving the rotational force from the PTO gear box 160 A pump drive shaft (123) for transferring the PTO gear box (160), and a fire engine coolant recovery device for cooling gear oil inside the PTO gear box (160)
The cooling water supply hose 200 is connected to the waterproof pipe 121 at one side thereof and the other end thereof is fastened at the upper end of the PTO gear box 160. Cooling water flowing into the PTO gear box 160 passes through the PTO gear box 160, And a cooling water discharge hose 220 through which the cooling water is discharged to the side of the L-shaped nipple 210 so as to be discharged through the L-shaped nipple 210 provided below the box 160, And a T-shaped nipple (230) to which the air supply hose (240) is fastened is fastened to the main pipe (110) at the other end. delete
KR1020150026235A 2015-02-25 2015-02-25 Coolant collector of fire truck KR101648665B1 (en)

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KR1020150026235A KR101648665B1 (en) 2015-02-25 2015-02-25 Coolant collector of fire truck

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Application Number Priority Date Filing Date Title
KR1020150026235A KR101648665B1 (en) 2015-02-25 2015-02-25 Coolant collector of fire truck

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107551431A (en) * 2017-07-28 2018-01-09 三汽车制造有限公司 A kind of Special fire fighting vehicle
KR20200052477A (en) * 2018-11-06 2020-05-15 주식회사 진우에스엠씨 Fire fighting robot
KR102190478B1 (en) * 2020-06-09 2020-12-14 주식회사 화인특장 Firefighting water supply and drain apparatus of fire truck

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200335460Y1 (en) * 2003-09-03 2003-12-06 최원익 a drainer the remainder water of induction and discharge pipe inside a fire truck
KR100436698B1 (en) * 2001-10-19 2004-06-22 주식회사 우리특장 Form proportioning apparatus of a fire engine
KR101466545B1 (en) * 2014-03-12 2014-11-27 일신기연(주) Apparatus discharging water of fire
KR101472424B1 (en) * 2014-02-13 2014-12-18 정연철 Fire engine with a water pump coolant recovery function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100436698B1 (en) * 2001-10-19 2004-06-22 주식회사 우리특장 Form proportioning apparatus of a fire engine
KR200335460Y1 (en) * 2003-09-03 2003-12-06 최원익 a drainer the remainder water of induction and discharge pipe inside a fire truck
KR101472424B1 (en) * 2014-02-13 2014-12-18 정연철 Fire engine with a water pump coolant recovery function
KR101466545B1 (en) * 2014-03-12 2014-11-27 일신기연(주) Apparatus discharging water of fire

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107551431A (en) * 2017-07-28 2018-01-09 三汽车制造有限公司 A kind of Special fire fighting vehicle
KR20200052477A (en) * 2018-11-06 2020-05-15 주식회사 진우에스엠씨 Fire fighting robot
KR102235792B1 (en) * 2018-11-06 2021-04-05 주식회사 진우에스엠씨 Fire fighting robot
KR102190478B1 (en) * 2020-06-09 2020-12-14 주식회사 화인특장 Firefighting water supply and drain apparatus of fire truck

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