CN219481393U

CN219481393U - Fire engine pipe-line system and fire engine of getting off

Info

Publication number: CN219481393U
Application number: CN202320258214.3U
Authority: CN
Inventors: 蔡志伟; 邢礁; 李国军
Original assignee: Shenyang Jietong Fire Truck Co Ltd
Current assignee: Shenyang Jietong Fire Truck Co Ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-08
Anticipated expiration: 2033-02-20

Abstract

The utility model provides a fire truck getting-off pipeline system and a fire truck, and relates to the technical field of fire protection. The fire truck getting-off pipeline system comprises a water tank, a water pump and a loading pipeline, wherein the water tank is used for storing fire water, the water pump is communicated with the water tank, the loading pipeline at least partially penetrates through the water tank, one end of the loading pipeline, which is positioned in the water tank, is communicated with the water pump, and the other end of the loading pipeline is connected to a rotation center and is communicated with the loading pipeline. One end of the blasting pipeline is communicated with the water pump, and the blasting pipeline is directly connected with a water outlet of the water pump to the greatest extent, so that the water delivery efficiency of the waterway is improved. The upper gun pipeline penetrates through the water tank, and is connected with the water pump after directly penetrating through the middle of the water tank, so that the installation space of the pipeline is saved to the greatest extent, and the use of pipeline materials and the loss of lift can be reduced. Because the two ends of the loading pipeline are respectively communicated with the water pump and the loading pipeline of the arm support, the loading pipeline is integrally connected into a straight-through structure, excessive bent roads are reduced, and the efficiency of conveying fire water to the loading pipeline is improved.

Description

Fire engine pipe-line system and fire engine of getting off

Technical Field

The utility model relates to the technical field of fire control, in particular to a fire truck getting-off pipeline system and a fire truck.

Background

The traditional lifting jet fire truck get-on system mainly adopts a telescopic folding arm support structure, and the layout of the get-off is matched with the get-on arm support, for example: for the high-rise fire truck with the height of more than 32 meters, the rotation center is arranged at the tail part of the chassis and is used for installing and supporting the upper arm support. As shown in fig. 1, the waterway system is installed in the middle of the fire truck, the water inlet of the water tank 1 'is directly connected with the water pump 2', the upper gun pipeline 3', the boom upper truck pipeline and the spray pipe 4' penetrate through the bottom of the auxiliary frame and are connected with the upper truck boom waterway.

By adopting the mode, the line of the upper gun pipeline 3' is longer, the use cost of pipeline materials is larger, the head loss is larger, and the situation of front-back instability and limitation of the operation space range exists after the center of gravity of the whole layout is deviated.

Disclosure of Invention

The lower pipeline system of the fire engine and the fire engine provided by the utility model save the installation space of the pipeline and reduce the use of pipeline materials and the loss of lift.

According to a first aspect of the present utility model, there is provided a fire truck get-off piping system comprising:

a water tank for storing fire water;

the water pump is communicated with the water tank;

the loading pipeline at least partially penetrates through the water tank, one end of the loading pipeline, which is positioned in the water tank, is communicated with the water pump, and the other end of the loading pipeline is connected to the rotation center and is communicated with the loading pipeline of the arm support.

In some embodiments, the fire truck off-board piping system further comprises:

and the spray pipe assembly is communicated with the blasting pipeline and is used for spraying the fire fighting water.

In some of these embodiments, the spray tube assembly comprises:

one end of the first spray pipe is communicated with the blast pipe, the other end of the first spray pipe is provided with a first spray header, and the first spray header sprays fire fighting water to the lower part of the cab;

the second spray pipe, the one end of second spray pipe with last big gun pipeline intercommunication, the other end is provided with the second shower head, the second shower head sprays fire water to the tire.

In some embodiments, the showerhead assembly further comprises:

the spraying main pipe, the import of spraying main pipe with go up big gun pipeline intercommunication, the spraying main pipe is provided with first interface and the second of spraying and sprays the interface, first interface with first shower intercommunication, the second sprays the interface with the second shower intercommunication.

In some embodiments, the spray main pipe is provided with a switch valve for controlling the opening and closing of the spray main pipe.

In some embodiments, the fire truck off-board piping system further comprises:

one end of the water outlet pipeline is communicated with the upper gun pipeline, and the other end of the water outlet pipeline is communicated with an external fire hose;

a water suction pipeline communicated with the water pump, wherein the water suction pipeline conveys the fire water to the water tank through the water pump;

and the water supply pipeline is communicated with the water tank and is used for conveying the fire water to the water tank.

In some of these embodiments, the fire truck off-board piping system further comprises a foam system comprising:

the foam tank is communicated with the water tank and is arranged side by side with the water tank, and the blast pipe penetrates through the foam tank;

and the foam pipeline is communicated with the foam tank and is used for conveying foam to the foam tank.

In some embodiments, the fire truck off-board piping system further comprises:

the sleeve is arranged on the foam tank, and the upper gun pipeline passes through the sleeve;

the water injection pipe is communicated with the water pump at one end and the water tank at the other end, and the water tank is connected with the water tank through a flange;

the shock absorbing throat is arranged between the blasting pipeline and the blasting water injection pipe.

According to a second aspect of the present utility model, a fire truck according to an embodiment of the present utility model includes a frame, a rotation center, an upper truck pipeline, and the fire truck lower truck pipeline system described above, where the rotation center is rotatably disposed on the frame, the boom is disposed on the rotation center, and the boom is provided with an upper truck pipeline, and the fire truck lower truck pipeline system is used for providing the upper truck pipeline with the fire water.

In some embodiments, the fire engine further comprises a cab, the cab is arranged on the frame, the rotation center is arranged on one end of the frame, which is close to the cab, and the water pump of the fire engine launching system is arranged on one end of the frame, which is far away from the cab.

In some embodiments, a control valve is arranged at one end of the upper gun pipeline close to the rotation center, and the control valve is used for opening and closing the upper gun pipeline; and/or the number of the groups of groups,

the on-board pipeline is provided with a control valve, and the control valve is used for opening and closing the on-board pipeline.

One embodiment of the present utility model has the following advantages or benefits:

according to the fire truck getting-off pipeline system provided by the embodiment of the utility model, one end of the upper gun pipeline, which is positioned in the water tank, is communicated with the water pump, and the upper gun pipeline is directly connected with the water outlet of the water pump to the greatest extent, so that the water delivery efficiency of the waterway is improved. The blast pipe line at least partially penetrates through the water tank, and is connected with the water pump after directly penetrating through the middle of the water tank, so that the installation space of the pipeline is saved to the greatest extent, and the use of pipeline materials and the loss of lift can be reduced. Because the two ends of the loading pipeline are respectively communicated with the water pump and the loading pipeline of the arm support, the loading pipeline is integrally connected into a straight-through structure, excessive bent roads are reduced, and the efficiency of conveying fire water to the loading pipeline is improved.

According to the fire fighting truck provided by the embodiment of the utility model, the rotation center is rotatably arranged on the frame, the frame plays a role of integral support, the rotation center can rotate relative to the frame, the rotation center provides an installation position for the telescopic folding arm support, the upper truck pipeline can be telescopic or folding along with the arm support, and the fire fighting truck lower truck pipeline system is used for providing fire fighting water for the upper truck pipeline, so that the upper truck pipeline can spray fire fighting water to a place with higher position. Meanwhile, the blast pipe directly passes through the middle of the water tank and then is connected with the water pump, so that the installation space of the pipe is saved to the greatest extent, and the use of pipe materials and the loss of lift can be reduced.

Drawings

For a better understanding of the utility model, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present utility model. In addition, the relevant elements or components may have different arrangements as known in the art. Furthermore, in the drawings, like reference numerals designate identical or similar parts throughout the several views. The above and other features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Wherein:

FIG. 1 is a schematic diagram of a prior art fire truck drop off piping system;

FIG. 2 is a schematic diagram showing a first configuration of a fire truck getting-off pipeline system according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing a second configuration of a fire truck getting-off pipeline system according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing the structure of a spray pipe assembly in a fire truck getting-off pipe system according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing the structure of a spray main in a fire truck getting-off pipe system according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram showing the structure of a foam system in a fire truck get-off pipeline system according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram showing a first construction of a cannon line in a fire truck off line system in accordance with an embodiment of the present utility model;

fig. 8 shows a second schematic structural diagram of a cannon pipe in a fire truck get-off pipe system according to an embodiment of the present utility model.

Wherein reference numerals are as follows:

1', a water tank; 2', a water pump; 3', a blast pipe; 4', a spray pipe;

100. a frame; 300. a cab; 400. a tire;

1. a water tank; 2. a water pump; 3. a blasting pipeline; 4. a shower assembly; 5. a water outlet pipeline; 6. a water suction pipeline; 7. a water supply line; 8. a foam system; 9. a sleeve; 10. a flange; 11. feeding a gun water injection pipe; 12. shock absorbing throat; 13. an armrest;

41. a first shower; 411. a first showerhead; 42. a second shower; 421. a second showerhead; 43. a spraying main pipe; 431. a first spray interface; 432. a second spray interface; 433. a switch valve;

81. a foam tank; 82. foam pipeline.

Detailed Description

The technical solutions in the exemplary embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the exemplary embodiments of the present utility model. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present utility model, and it should be understood that various modifications and changes can be made to the example embodiments without departing from the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" refers to two or more than two; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, references to "the/the" object or "an" object are likewise intended to mean one of a possible plurality of such objects.

Unless specified or indicated otherwise, the terms "connected," "fixed," and the like are to be construed broadly and are, for example, capable of being fixedly connected, detachably connected, or integrally connected, electrically connected, or signally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Further, in the description of the present utility model, it should be understood that the terms "upper", "lower", "inner", "outer", and the like in the exemplary embodiments of the present utility model are described in terms of the drawings, and should not be construed as limiting the exemplary embodiments of the present utility model. It will also be understood that in the context of an element or feature being connected to another element(s) "upper," "lower," or "inner," "outer," it can be directly connected to the other element(s) "upper," "lower," or "inner," "outer," or indirectly connected to the other element(s) "upper," "lower," or "inner," "outer" via intervening elements.

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

The embodiment provides a fire truck, as shown in fig. 2-3, the fire truck includes a frame 100, a rotation center (not shown in the figure), a boom (not shown in the figure) and a fire truck unloading pipeline system, the length of the frame 100 is longer, so that the fire truck is a large-span fire truck, the rotation center is rotatably arranged on the frame 100, the boom is arranged at the rotation center, an upper truck pipeline is arranged on the boom, and the fire truck unloading pipeline system is used for providing fire water for the upper truck pipeline.

The fire engine that this embodiment provided, rotation center rotate set up in frame 100, and frame 100 plays the effect of whole support, and rotation center can rotate for frame 100, and rotation center provides mounted position for the cantilever crane, and the cantilever crane is scalable or folding, and the pipeline of getting on the bus can be flexible or folding along with the cantilever crane, and fire engine off-line system is used for providing fire fighting water for getting on the bus pipeline, makes the pipeline of getting on the bus can spray fire fighting water to the higher place of position.

In one embodiment, as shown in fig. 2-3, the fire engine further comprises a cab 300, the cab 300 is disposed on the frame 100, the center of rotation is disposed on an end of the frame 100 near the cab 300, and the water pump 2 of the fire engine water drainage system is disposed on an end of the frame 100 far from the cab 300.

The center of rotation is arranged at one end of the frame 100 close to the cab 300, namely, the center of rotation is positioned at the rear part of the cab 300 and is arranged at the front middle part of the frame 100, the water pump 2 of the fire truck sewer system is arranged at the tail part of the frame 100, the water tank 1 is arranged between the center of rotation and the water pump 2, and the water tank 1 is arranged at the middle and rear parts of the frame 100. In this way, the rotation center is at the middle front part of the frame 100, and the arm support adopts a forward tilting structure, so that the center of gravity of the whole layout can be moved forward from the rear end position to the center position of the frame 100, the frame 100 is stable front and back, the controllability of the arm support is good, and the stability of the arm support is improved.

Because the position of the rotation center is relatively high, if the fire truck get-off pipeline system passes through the bottom of the frame 100, the conveying distance is relatively long, and the production cost is relatively high.

In order to solve this problem, as shown in fig. 2-3, the present embodiment further provides a fire truck getting-off pipeline system, which includes a water tank 1, a water pump 2 and a loading pipeline 3, wherein the water tank 1 is used for storing fire water, the water pump 2 is communicated with the water tank 1, the loading pipeline 3 is at least partially penetrating through the water tank 1, one end of the loading pipeline 3 located in the water tank 1 is communicated with the water pump 2, and the other end is connected to a rotation center and is communicated with the loading pipeline.

According to the fire truck getting-off pipeline system provided by the embodiment, one end of the upper gun pipeline 3, which is positioned in the water tank 1, is communicated with the water pump 2, the upper gun pipeline 3 is directly connected with the water outlet of the water pump 2 to the greatest extent, and the water delivery efficiency of a waterway is improved. The blast pipe 3 is at least partially penetrated in the water tank 1, which is equivalent to that the blast pipe 3 directly penetrates through the middle part of the water tank 1 and then is connected with the water pump 2, so that the installation space of the pipe is saved to the greatest extent, and the use of pipe materials and the loss of lift can be reduced. Because the two ends of the upper gun pipeline 3 are respectively communicated with the water pump 2 and the upper car pipeline of the arm support, the upper gun pipeline 3 is integrally connected into a straight-through structure, excessive bent roads are reduced, and the efficiency of conveying fire water to the upper car pipeline is improved.

In one embodiment, one end of the upper gun pipeline 3, which is close to the rotation center, is provided with a control valve, and the control valve is used for opening and closing the upper gun pipeline; and/or the on-board pipeline is provided with a control valve, and the control valve is used for opening and closing the on-board pipeline.

The control valve is specifically a pneumatic butterfly valve, the control valve is arranged on the boarding pipeline or the boarding pipeline 3, and when the control valve is opened, the boarding pipeline 3 can convey fire fighting water for the boarding pipeline; when the controller is closed, the upper gun pipeline 3 stops conveying fire water to the upper car pipeline.

In one embodiment, as shown in fig. 2-3, the fire truck alighting line system further comprises a water supply line 7, the water supply line 7 being in communication with the water tank 1 for delivering fire water to the water tank 1.

Specifically, one end of the water supply pipeline 7 is communicated with the outer water supply pipeline 7, the other end is communicated with the water tank 1, the outer water supply pipeline 7 is used for conveying fire-fighting water to the water tank 1 through the water supply pipeline 7, the fire-fighting water in the water tank 1 can be supplied without other power sources,

in one embodiment, as shown in fig. 2-3, the fire truck get-off piping system further comprises a water suction pipe 6, the water suction pipe 6 being in communication with the water pump 2, the water suction pipe 6 delivering fire water to the water tank 1 via the water pump 2.

In this way, water can be sucked from the outside of the fire engine by the water suction pipe 6 under the driving action of the water pump 2 and transferred into the water tank 1. Because the water pump 2 is used as a power source, water sources of the surrounding environment, such as rivers, lakes or tunnels with accumulated water, can be fully utilized, so that timeliness of fire fighting water is provided for the water tank 1 under the severe operation environment.

It can be understood that the number of the water suction pipelines 6 is two, and the two water suction pipelines 6 are respectively arranged at two sides of the frame 100 along the width direction of the frame 100, so that water can be sucked at both the left side and the right side of the frame 100, and the water suction efficiency is improved.

In one embodiment, as shown in fig. 2-3, the fire truck getting-off pipeline system further comprises a water outlet pipeline 5, wherein one end of the water outlet pipeline 5 is communicated with the upper gun pipeline 3, and the other end of the water outlet pipeline 5 is used for being communicated with an external fire hose.

Specifically, one end of the water outlet pipeline 5 is communicated with the upper gun pipeline 3, and the other end of the water outlet pipeline is provided with an external water outlet which is selectively communicated with an external fire hose. In the case of a general fire, fire emergency personnel can directly connect the external fire hose with the external water outlet of the water outlet pipeline 5 to perform fire-extinguishing rescue.

It can be understood that the water pump 2 can provide fire water with a certain pressure for the boarding pipeline of the arm support, and can also provide fire water with a certain pressure for the water pipeline 5, and the water pump 2 can also assist the water suction pipeline 6 to suck water to the water tank 1, namely, the water pump 2 plays roles in the water supply and water discharge processes of the water tank 1.

In one embodiment, as shown in fig. 2-3, the fire truck lower line system further includes a spray pipe assembly 4, the spray pipe assembly 4 being in communication with the upper gun line 3 for spraying fire water.

Wherein, spray pipe assembly 4 communicates in last big gun pipeline 3, goes up big gun pipeline 3 and provides fire fighting water for spray pipe assembly 4, and under emergency, spray the subassembly and can spray fire fighting water to extinguish the trickle fire, be convenient for withdraw rapidly, improve the security of fire engine.

In one embodiment, as shown in fig. 3-4, the spray pipe assembly 4 comprises a first spray pipe 41, one end of the first spray pipe 41 is communicated with the upper gun pipe 3, the other end is provided with a first spray header 411, and the first spray header 411 sprays fire water to the lower side of the cab 300.

The upper gun pipeline 3 provides fire fighting water for the first spray header 411 through the first spray pipe 41, and as the cab 300 is arranged at the front end of the frame 100, the first spray header 411 sprays fire fighting water to the lower part of the cab 300, so that the running fire operation at the front end of the frame 100 can be extinguished during emergency evacuation, and rapid evacuation is facilitated.

It can be appreciated that the number of the first spray heads 411 may be plural, the plurality of first spray heads 411 are arranged in a line along the width direction of the frame 100, and the plurality of first spray heads 411 arranged in a line can improve the timeliness of extinguishing the flowing fire.

In one embodiment, the spray pipe assembly 4 further comprises a second spray pipe 42, one end of the second spray pipe 42 is communicated with the upper gun pipe 3, and the other end is provided with a second spray header 421, and the second spray header 421 sprays fire water to the tire 400.

The fire fighting water is provided for the second spray header 421 by the blasting pipeline 3 through the second spray pipe 42, and the second spray header 421 sprays the fire fighting water to the tire 400 for cooling the tire 400 or the frame 100 near the tire 400, so that burn or damage caused by overhigh temperature is avoided.

It is understood that the number of the second showerheads 421 is two, and the two second showerheads 421 are disposed between the two tires 400 and spray the fire water to the two tires 400.

In one embodiment, as shown in fig. 3-5, the spray pipe assembly 4 further comprises a spray main 43, the inlet of the spray main 43 is communicated with the upper gun pipe 3, the spray main 43 is provided with a first spray interface 431 and a second spray interface 432, the first spray interface 431 is communicated with the first spray pipe 41, and the second spray interface 432 is communicated with the second spray pipe 42.

The inlet of the spraying main pipe 43 is communicated with the upper gun pipeline 3 through the communicating main pipe, so that fire water in the upper gun pipeline 3 is introduced into the spraying main pipe 43 through the communicating main pipe, the spraying main pipe 43 plays a role in collecting fire water, the spraying main pipe 43 is provided with a first spraying interface 431 and a second spraying interface 432, the spraying interface serves as an outlet of the spraying main pipe 43, plays a role in branching the spraying main pipe 43, and fire water flowing out of the spraying main pipe 43 flows to the first spraying interface 431 and the second spraying interface 432 respectively to perform spraying operation.

It can be understood that the number of the second spray pipes 42 and the second spray interfaces 432 is two, the two second spray interfaces 432 are arranged corresponding to the two second spray pipes 42, the two second spray ports are arranged at two ends of the spray main pipe 43, and the two second spray pipes 42 are respectively arranged at two sides of the wheel along the width direction of the frame 100.

In one embodiment, the spray main 43 is provided with an on-off valve 433 for controlling the opening and closing of the spray main 43.

Wherein, the switch valve 433 is a solenoid valve, specifically a normally closed switch, when the getting-off spraying operation is needed, the controller sends a control signal to open the switch valve 433, so that fire water flowing out of the main spraying pipe 43 flows to the first spraying interface 431 and the second spraying interface 432 respectively, and the first spraying pipe 41 and the second spraying pipe 42 are convenient for spraying to the cab 300 at the front end of the frame 100, the side surface of the frame 100 and the tyre 400.

In one embodiment, as shown in fig. 6-8, the fire truck getting-off pipeline system further comprises a foam system 8, wherein the foam system 8 comprises a foam tank 81 and a foam pipeline 82, the foam tank 81 is communicated with the water tank 1 and is arranged side by side with the water tank 1, and the upper gun pipeline 3 penetrates through the foam tank 81. The foam pipe 82 communicates with the foam tank 81 for delivering foam to the foam tank 81.

Wherein, foam jar 81 sets up with side by side, and foam jar 81 sets up in the one side that water pitcher 1 is close to driver's cabin 300, foam jar 81 and water pitcher 1 intercommunication, foam pipeline 82 and foam jar 81 intercommunication for carry the foam to foam jar 81, can mix B class foam and fire fighting water after, can put out a fire to the conflagration of special material such as oil. The upper gun pipeline 3 penetrates through the foam tank 81 and then penetrates through the water tank 1, so that the upper gun pipeline 3 is of a straight-through type as a whole, excessive bend is reduced, and the use of pipeline materials and the loss of lift can be reduced.

It should be noted that, the foam and fire fighting water are mixed according to a certain proportion by using a foam proportion mixer, the foam proportion mixer is specifically of a three-way valve structure, one inlet of the three-way valve is used for the water tank 1 to be filled with fire fighting water, the other inlet of the three-way valve is used for the foam tank 81 to be filled with foam, and the outlet of the three-way valve is communicated with the upper gun pipeline 3 and is used for providing mixed foam water to the upper gun pipeline 3.

In one embodiment, the inner and outer walls of the foam tank 81 and the water tank 1 are uniformly provided with cross members and stringers, which function as reinforcing ribs for reinforcing the structural strength of the foam tank 81 and the water tank 1.

In one embodiment, the frame 100 is provided with the armrests 13, and the armrests 13 are arranged corresponding to the foam tank 81 and the water tank 1, so as to facilitate climbing and maintenance of the tank body.

In one embodiment, as shown in fig. 7-8, the fire truck lower line system further includes a sleeve 9, the sleeve 9 being disposed in a foam tank 81, and the upper gun line 3 passing through the sleeve 9.

Because the upper gun pipeline 3 and the sleeve 9 adopt the nested structure, the sleeve 9 plays a role in protecting the upper gun pipeline 3, the condition that the upper gun pipeline 3 is easy to be corroded by foam after being soaked in the foam tank 81 for a long time is avoided, and the service life of the upper gun pipeline 3 is prolonged. Because sleeve 9 sets up in foam jar 81, and sleeve 9 cover is located the outside of going up big gun pipeline 3, and sleeve 9 and the foam direct contact in the foam jar 81, when the corruption appears, only need change the sleeve 9 that the size is less can, need not to change the big going up big gun pipeline 3 of size, the maintenance of being convenient for reduces follow-up maintenance cost.

In one embodiment, as shown in fig. 7-8, the upper gun tube 3 is in communication with the water tank 1 via a flange 10.

When the blasting pipeline 3 passes through the water tank 1, the blasting pipeline 3 is communicated with the water tank 1 through the flange 10 so as to fix the blasting pipeline 3 on the water tank 1, the water tank 1 provides a supporting position for the blasting pipeline 3, the blasting pipeline 3 is prevented from being overlong in straight-through pipeline, and the blasting pipeline 3 is easy to cause liquid leakage when oversized vibration occurs.

In one embodiment, as shown in fig. 7-8, the fire truck getting-off pipeline system further comprises a loading water injection pipe 11, wherein one end of the loading water injection pipe 11 is communicated with the loading pipeline 3, and the other end of the loading water injection pipe is communicated with the water pump 2. The blasting water injection pipe 11 is equivalent to an adapter, and the blasting water injection pipe 11 plays a role in middle communication between the blasting pipeline 3 and the water pump 2.

In one embodiment, as shown in fig. 7-8, the fire truck getting-off pipeline system further comprises a shock throat 12, wherein the shock throat 12 is arranged between the upper gun pipeline 3 and the upper gun water injection pipe 11.

The shock-absorbing throat 12 is arranged between the upper gun pipeline 3 and the upper gun water injection pipe 11, the shock-absorbing throat 12 plays a role in elasticity and buffering, and if excessive vibration occurs, the condition of liquid leakage caused by rigid connection between the upper gun pipeline 3 and the upper gun water injection pipe 11 is avoided.

It should be noted herein that the fire truck off-line system shown in the drawings and described in this specification is merely one example of the principles of the present utility model. It will be clearly understood by those of ordinary skill in the art that the principles of the present utility model are not limited to any details or any components of the devices shown in the drawings or described in the specification.

It should be understood that the utility model is not limited in its application to the details of construction and the arrangement of components set forth in the specification. The utility model is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications are intended to fall within the scope of the present utility model. It should be understood that the utility model disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present utility model. The embodiments described in this specification illustrate the best mode known for carrying out the utility model and will enable those skilled in the art to make and use the utility model.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. The specification and example embodiments are to be considered exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. A fire truck drop off pipeline system, comprising:

a water tank for storing fire water;

the water pump is communicated with the water tank;

the blasting pipeline at least partially penetrates through the water tank, one end of the blasting pipeline, which is positioned in the water tank, is communicated with the water pump, and the other end of the blasting pipeline is connected to the rotation center and is communicated with the boarding pipeline of the arm support.

2. The fire truck drop line system of claim 1, further comprising:

3. The fire truck drop off pipe system of claim 2, wherein the spray pipe assembly comprises:

4. The fire truck drop off piping system of claim 3, wherein the spray pipe assembly further comprises:

5. The fire truck getting-off pipeline system according to claim 4, wherein the spraying main pipe is provided with a switch valve for controlling the opening and closing of the spraying main pipe.

6. The fire truck lower line system of any one of claims 1-5, further comprising:

7. The fire truck drop line system of any one of claims 1-5, further comprising a foam system comprising:

8. The fire truck drop line system of claim 7, further comprising:

9. A fire truck characterized by comprising a frame, a rotation center, an upper truck pipeline and the fire truck lower truck pipeline system according to any one of claims 1-8, wherein the rotation center is rotatably arranged on the frame, the arm frame is arranged on the rotation center, the upper truck pipeline is arranged on the arm frame, and the fire truck lower truck pipeline system is used for providing the fire truck for the upper truck pipeline.

10. The fire engine of claim 9, further comprising a cab disposed in the frame, the center of rotation being disposed at an end of the frame proximate the cab, the water pump of the fire engine launch system being disposed at an end of the frame distal from the cab.