CN116271641A

CN116271641A - Single folding telescopic boom structure and fire truck

Info

Publication number: CN116271641A
Application number: CN202310263171.2A
Authority: CN
Inventors: 张淼林; 袁琳; 邢礁; 王艳春; 栗娜
Original assignee: Shenyang Jietong Fire Truck Co Ltd
Current assignee: Shenyang Jietong Fire Truck Co Ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-06-23

Abstract

The invention provides a single folding telescopic boom structure and a fire engine, and relates to the technical field of fire protection. The single folding telescopic boom structure comprises a folding telescopic boom, a main telescopic pipeline and an auxiliary telescopic pipeline, wherein the main telescopic pipeline is arranged on the folding telescopic boom, one end of the main telescopic pipeline is communicated with a get-off waterway, and a first water cannon is arranged at the other end of the main telescopic pipeline. The auxiliary telescopic pipe way is arranged on the folding telescopic arm, the folding telescopic arm can drive the main telescopic pipe and the auxiliary telescopic pipe to stretch out and draw back, one end of the auxiliary telescopic pipe is provided with an external water supply port, and the other end of the auxiliary telescopic pipe is provided with a second water cannon. The fire extinguishing mode of the single folding telescopic boom double water cannons is adopted, the fire extinguishing effect that one fire engine is equivalent to two fire engines at the same position is achieved, the fire extinguishing mode is kept consistent, the fire extinguishing flow of the double water cannons is unchanged, the overall weight is reduced, the design difficulty is reduced, and the production and manufacturing cost is saved.

Description

Single folding telescopic boom structure and fire truck

Technical Field

The invention relates to the technical field of fire protection, in particular to a single folding telescopic boom structure and a fire truck.

Background

The existing fire-fighting modes of the fire truck are generally divided into the following modes:

firstly, a single-arm form adopts a single folding telescopic arm to connect a water cannon for fire extinguishment;

second, the two-arm form adopts the lower telescopic boom to be a single arm, and the upper telescopic boom is a two-arm structure with two telescopic arm frames, and two water cannons are installed at the top ends of the arm frames to perform fire extinguishing operation, so that fire extinguishing flow and fire extinguishing efficiency are increased.

Thirdly, one arm frame of the upper telescopic arm is a fire extinguishing arm, the other arm frame is a climbing platform arm frame, and a water cannon is also arranged on a working bucket of the climbing platform arm frame for fire extinguishment. The two arm frames of the telescopic arm can be high spray arms for spraying fire extinguishment.

The existing folding telescopic boom structure has the advantages that although one fire truck is equivalent to the fire extinguishing capability of two fire trucks at the same position, as one boom structural member is added, the load of the whole truck is increased by the two booms, and the design difficulty and the production and manufacturing cost are increased.

Disclosure of Invention

The single folding telescopic boom structure and the fire truck provided by the invention have the advantages of good fire extinguishing effect and low production cost.

According to a first aspect of the present invention, there is provided a single fold telescopic boom structure comprising:

folding the telescopic arm;

the main telescopic pipeline is arranged on the folding telescopic arm, one end of the main telescopic pipeline is communicated with the lower waterway, and the other end of the main telescopic pipeline is provided with a first water cannon;

the auxiliary telescopic pipeline is arranged on the folding telescopic arm, the folding telescopic arm can drive the main telescopic pipeline and the auxiliary telescopic pipeline to stretch out and draw back, one end of the auxiliary telescopic pipeline is provided with an external water supply port, and the other end of the auxiliary telescopic pipeline is provided with a second water cannon.

In some embodiments, the folding telescopic arm comprises a lower telescopic arm and an upper telescopic arm, the upper telescopic arm is rotatably connected to the lower telescopic arm, the main telescopic pipeline is arranged on the lower telescopic arm and the upper telescopic arm, the first water cannon is arranged corresponding to the upper telescopic arm, and the auxiliary telescopic pipeline is at least partially arranged on the lower telescopic arm;

wherein the second water cannon is arranged corresponding to the upper telescopic arm; and/or the second water cannon is arranged corresponding to the lower telescopic arm.

In some of these embodiments, the secondary telescoping line comprises:

the first lower arm auxiliary telescopic pipeline is arranged on the lower telescopic arm, one end of the first lower arm auxiliary telescopic pipeline is communicated with the external water supply port, and the second water cannon is arranged at the other end of the first lower arm auxiliary telescopic pipeline.

In some of these embodiments, the secondary telescoping line comprises:

the second lower arm auxiliary telescopic pipeline is arranged on the lower telescopic arm;

the upper arm auxiliary telescopic pipeline is at least partially arranged on the upper telescopic arm;

one end of the second lower arm telescopic pipe is communicated with the external water supply port, the other end of the second lower arm telescopic pipe is communicated with the upper arm auxiliary telescopic pipe, and the second water cannon is arranged at one end of the upper arm auxiliary telescopic pipe, which is far away from the second lower arm telescopic pipe.

In some embodiments, the single fold telescopic boom structure further comprises:

the output end of the driving source is rotatably connected with the upper telescopic arm;

one end of the push rod is rotationally connected with the lower telescopic arm, and the other end of the push rod is rotationally connected with the tail end of the driving source;

one end of the swing rod is rotatably connected with the upper telescopic arm, and the other end of the swing rod is rotatably connected with the tail end of the driving source.

the folding arm is arranged at one end of the folding telescopic arm, which is close to the first water cannon, and is connected with the auxiliary telescopic pipeline.

In some embodiments, the folding arm and the folding telescopic arm are arranged at an included angle, so that a space is reserved between the first water cannon and the second water cannon, and the space is used for avoiding interference between the first water cannon and the second water cannon.

the pipe clamp assembly is arranged on the folding telescopic arm and used for fixing two ends of the main telescopic pipeline; and/or the pipe clamp assembly is used for fixing two ends of the auxiliary telescopic pipeline;

the support component is arranged on the folding telescopic arm and is used for supporting the middle part of the main telescopic pipeline; and/or the support component is used for supporting the middle part of the auxiliary telescopic pipeline.

In some embodiments, the horizontal swing angle of the first water cannon and/or the second water cannon is-45 degrees to +45 degrees, and the pitching operation angle of the first water cannon and/or the second water cannon is-90 degrees to +45 degrees.

In some embodiments, when the length of the secondary telescopic pipe is smaller than that of the primary telescopic pipe, the horizontal swing angle of the second water cannon is-5 ° to +45° or-45 ° to +5°.

In some embodiments, when the length of the secondary telescopic pipe is equal to the length of the primary telescopic pipe, the first water cannon and the second water cannon synchronously rotate; and/or the number of the groups of groups,

the main telescopic pipeline with be provided with first connecting pipe between the first water cannon, vice telescopic pipeline with be provided with the second connecting pipe between the second water cannon, first connecting pipe with the second connecting pipe is the tubaeform structure, tubaeform structure's big-mouth end orientation first water cannon sets up.

In some embodiments, the main telescopic pipeline comprises a lower arm main telescopic pipeline and an upper arm main telescopic pipeline, one end of the lower arm main telescopic pipeline is communicated with the lower car waterway, the other end of the lower arm main telescopic pipeline is communicated with the upper arm main telescopic pipeline, and the first water cannon is arranged at one end of the upper arm main telescopic pipeline, which is far away from the lower arm main telescopic pipeline.

According to a second aspect of the present invention, an embodiment of the present invention further provides a fire truck, including the above-mentioned single folding telescopic boom structure.

One embodiment of the present invention has the following advantages or benefits:

according to the single folding telescopic boom structure and the fire truck provided by the embodiment of the invention, the main telescopic pipeline and the auxiliary telescopic pipeline are arranged on the folding telescopic boom, the folding telescopic boom plays a role in integral support, and when the folding telescopic boom stretches, the folding telescopic boom can drive the main telescopic pipeline and the auxiliary telescopic pipeline to stretch, so that the main telescopic pipeline and the auxiliary telescopic pipeline change along with the length change of the folding telescopic boom. One end of the main telescopic pipeline is communicated with the getting-off waterway, and the other end of the main telescopic pipeline is provided with a first water cannon, so that the main telescopic pipeline can absorb and convey pressurized water or liquid provided by the vehicle body with a water pump, and then the fire extinguishing operation is performed by using the first water cannon. One end of the auxiliary telescopic pipeline is provided with an external water supply port, and the other end of the auxiliary telescopic pipeline is provided with a second water cannon, so that the auxiliary telescopic pipeline is used for supplying water or liquid by an external foam fire truck or a fire hydrant, and the second water cannon is utilized for fire extinguishing operation.

Drawings

For a better understanding of the invention, 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 invention. 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 invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Wherein:

fig. 1 shows a schematic structural diagram of a single folding telescopic boom structure according to a first embodiment of the present invention;

fig. 2 shows a second structural schematic diagram of a single folding telescopic boom structure according to the first embodiment of the present invention;

fig. 3 is a schematic structural diagram showing an external water supply port of a single folding telescopic boom structure according to the first embodiment of the present invention;

FIG. 4 is a schematic view showing a single folding telescopic boom structure of a pipe clamp assembly and a support assembly according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of a pipe clamp assembly in a single folding telescopic boom structure according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of a support assembly in a single folding telescopic boom structure according to a first embodiment of the present invention;

fig. 7 is a schematic diagram showing an unfolding state of a lower telescopic boom and an upper telescopic boom in a single folding telescopic boom structure according to a first embodiment of the present invention;

fig. 8 is a schematic structural view of a folding arm mechanism in a single folding telescopic boom structure according to the first embodiment of the present invention;

fig. 9 is a schematic structural diagram of a single folding telescopic boom according to a second embodiment of the present invention;

fig. 10 is a schematic structural view of a support assembly in a single folding telescopic boom structure according to a second embodiment of the present invention;

fig. 11 is a schematic structural diagram of a single folding telescopic boom structure according to a second embodiment of the present invention, showing two second water cannons;

fig. 12 is a schematic structural view of a single folding telescopic boom according to a third embodiment of the present invention.

Wherein reference numerals are as follows:

1. folding the telescopic arm; 2. a main telescopic pipeline; 3. a first water cannon; 4. an auxiliary telescopic pipeline; 5. externally connected with a water supply port; 6. a second water cannon; 7. a pipe clamp assembly; 8. a support assembly; 9. an arm folding mechanism;

11. a lower telescoping arm; 12. an upper telescoping arm; 13. folding arms;

21. a lower arm main telescopic pipeline; 22. an upper arm main telescopic pipeline;

41. a first lower arm auxiliary telescopic pipeline; 42. the second lower arm auxiliary telescopic pipeline; 43. an upper arm auxiliary telescopic pipeline;

71. a pipe clamp is arranged; 72. a lower pipe clamp; 73. a base; 74. a support rib;

81. a support base; 82. a support;

91. a driving source; 92. a push rod; 93. swing rod; 94. a first bearing; 95. and a second bearing.

Detailed Description

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

In the description of the present invention, 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 invention can be understood by those skilled in the art according to the specific circumstances.

Further, in the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", and the like in the exemplary embodiments of the present invention are described in terms of the drawings, and should not be construed as limiting the exemplary embodiments of the present invention. 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.

Example 1

The embodiment provides a single folding telescopic boom structure which is suitable for lifting the outside of a jet fire engine, an aerial ladder fire engine, a climbing platform fire engine and the like. As shown in fig. 1-2, the single folding telescopic boom structure comprises a folding telescopic boom 1, a main telescopic pipeline 2 and an auxiliary telescopic pipeline 4, wherein the main telescopic pipeline 2 is arranged on the folding telescopic boom 1, one end of the main telescopic pipeline 2 is communicated with a lower waterway, and the other end of the main telescopic pipeline 2 is provided with a first water cannon 3. The auxiliary telescopic pipeline 4 is arranged on the folding telescopic arm 1, the folding telescopic arm 1 can drive the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 to stretch out and draw back, one end of the auxiliary telescopic pipeline 4 is provided with an external water supply port 5 (shown in fig. 3), and the other end of the auxiliary telescopic pipeline 4 is provided with a second water cannon 6.

The main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 can be positioned on the same side of the folding telescopic arm, and can also be respectively positioned on different sides of the folding telescopic arm.

The single folding telescopic boom structure that this embodiment provided, main flexible pipeline 2 and vice flexible pipeline 4 all set up on folding telescopic boom 1, and folding telescopic boom 1 plays the effect of whole support, and when folding telescopic boom 1 stretched out and draw back, folding telescopic boom 1 can drive main flexible pipeline 2 and vice flexible pipeline 4 and stretch out and draw back, makes main flexible pipeline 2 and vice flexible pipeline 4 change along with the length change of folding telescopic boom 1. One end of the main telescopic pipeline 2 is communicated with the getting-off waterway, and the other end of the main telescopic pipeline is provided with a first water cannon 3, so that the main telescopic pipeline 2 is provided with pressurized water or liquid by a water pump of a vehicle body, and fire extinguishing operation is performed by utilizing the first water cannon 3. One end of the auxiliary telescopic pipeline 4 is provided with an external water supply port 5, and the other end of the auxiliary telescopic pipeline is provided with a second water cannon 6, so that the auxiliary telescopic pipeline 4 is supplied with water or liquid by an external foam fire truck or a fire hydrant, and the second water cannon 6 is utilized for fire extinguishing operation.

The fire extinguishing mode of the double water cannons of the single folding telescopic boom 1 is adopted, the fire extinguishing effect that one fire engine is equivalent to two fire engines at the same position is achieved, the fire extinguishing mode is kept consistent, the fire extinguishing flow of the double water cannons is unchanged, the overall weight is reduced, the design difficulty is reduced, and the production and manufacturing cost is saved.

In one embodiment, as shown in fig. 1-2, the folding telescopic arm 1 comprises a lower telescopic arm 11 and an upper telescopic arm 12, the upper telescopic arm 12 being rotatably connected to the lower telescopic arm 11.

Specifically, the bottom end of the lower telescopic arm 11 may be disposed on the rotation center, and the top end of the lower telescopic arm 11 is rotatably connected to the upper telescopic arm 12, so as to realize adjustment of angles and positions.

It will be appreciated that the lower telescopic arm 11 and the upper telescopic arm 12 each comprise a plurality of sleeves of different diameters, which are sleeved with each other, and are drawn according to actual working conditions so as to meet fire extinguishing requirements of different heights or angles. The sleeve can select square pipes, and the side surfaces of the square pipes are used for providing installation and supporting positions for the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4.

In one embodiment, as shown in fig. 1-2, the main telescopic pipeline 2 is arranged on the lower telescopic arm 11 and the upper telescopic arm 12, the first water cannon 3 is arranged corresponding to the upper telescopic arm 12, and the auxiliary telescopic pipeline 4 is at least partially arranged on the lower telescopic arm 11; wherein the second water cannon 6 is arranged corresponding to the upper telescopic arm 12; and/or the second water cannon 6 is arranged corresponding to the lower telescopic arm 11.

The first water cannon 3 is arranged corresponding to the upper telescopic arm 12 so as to meet the requirement of fire extinguishing operation at a higher position. The second water cannon 6 is arranged corresponding to the upper telescopic arm 12 so as to meet the requirement of fire extinguishing operation at a higher position; the second water cannon 6 is arranged corresponding to the lower telescopic arm 11 so as to meet the requirement of fire extinguishing operation at a lower position. If the first water cannon 3 and the second water cannon 6 are arranged corresponding to the upper telescopic arm 12, double flow fire extinguishing operation can be carried out aiming at the same fire extinguishing point during fire extinguishing; if the first water cannon 3 is arranged corresponding to the upper telescopic boom 12, the second water cannon 6 is arranged corresponding to the lower telescopic boom 11, the first water cannon 3 is used as a main water cannon to conduct fire extinguishing operation at a higher position, and the second water cannon 6 is used as an auxiliary water cannon to conduct cooling or fire extinguishing operation at a lower position so as to form a cross fire extinguishing pattern.

In one embodiment, the horizontal swing angle of the first water cannon 3 and/or the second water cannon 6 is-45 ° to +45°, and the pitch operation angle of the first water cannon 3 and/or the second water cannon 6 is-90 ° to +45°.

It should be noted that the first water cannon 3 and the second water cannon 6 are conventionally rotatable 360 ° in the spatial direction, and the flexibility is good. When the single-arm single-water cannon is used for extinguishing fire, the folding telescopic arm 1 swings the first water cannon 3 and the second water cannon 6 from side to side within the horizontal plane range of-45 degrees to +45 degrees, so that the centralized fire extinguishing intensity of fire extinguishing points is ensured. The first water cannon 3 and the second water cannon 6 are rotated back and forth within the range of a vertical plane by-90 degrees to +45 degrees, so that unnecessary waste caused by the direction of being directed to the cab of the fire engine is avoided.

In one embodiment, as shown in fig. 1-2, the main telescopic pipeline 2 comprises a lower arm main telescopic pipeline 21 and an upper arm main telescopic pipeline 22, one end of the lower arm main telescopic pipeline 21 is communicated with a lower car waterway, the other end of the lower arm main telescopic pipeline is communicated with the upper arm main telescopic pipeline 22, and the first water cannon 3 is arranged at one end of the upper arm main telescopic pipeline 22 far away from the lower arm main telescopic pipeline 21.

Specifically, the lower arm main telescopic pipe 21 is disposed on the lower telescopic arm 11, and the upper arm main telescopic pipe 22 is disposed on the upper telescopic arm 12, so that the lower telescopic arm 11 and the upper telescopic arm 12 respectively support the lower arm main telescopic pipe 21 and the upper arm main telescopic pipe 22, that is, the main telescopic pipe 2 extends over the whole folding telescopic arm 1, so that the extension length of the folding telescopic arm 1 and the main telescopic pipe 2 can reach the maximum at the same time, thereby meeting the requirement of fire extinguishing operation at a higher position.

It will be appreciated that the angle between the lower telescopic arm 11 and the upper telescopic arm 12 is adjustable, and the lower arm main telescopic pipe 21 and the upper arm main telescopic pipe 22 are connected by a steel wire rubber hose, so that the angle of the folding arm 13 can be changed.

In one embodiment, as shown in fig. 1-2, the auxiliary telescopic pipeline 4 comprises a first lower arm auxiliary telescopic pipeline 41, the first lower arm auxiliary telescopic pipeline 41 is arranged on the lower telescopic arm 11, one end of the first lower arm auxiliary telescopic pipeline 41 is communicated with the external water supply port 5, and the other end of the first lower arm auxiliary telescopic pipeline is provided with a second water cannon 6.

The first lower arm auxiliary telescopic pipeline 41 only extends over the lower telescopic arm 11, so that the maximum limit length of the first lower arm auxiliary telescopic pipeline 41 is relatively small, the second water cannon 6 only corresponds to the position of the lower telescopic arm 11, the second water cannon 6 serves as an auxiliary water cannon to cool or extinguish fire at a lower position, the effect of assisting fire extinguishment of the first water cannon 3 is achieved, and the fire extinguishing device is suitable for the conditions of large fire intensity and scattered fire extinguishing points.

In one embodiment, the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 can be single telescopic water pipe assemblies, each single telescopic water pipe assembly comprises a plurality of water pipes with different diameters, and the water pipes are mutually sleeved, so that the lengths of the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 can be adjusted.

It should be noted that, in this embodiment, the main telescopic pipe 2 and the auxiliary telescopic pipe 4 may be a single-section telescopic pipe or a multi-section telescopic pipe. The sleeve pipe of folding flexible arm 1 can be unanimous with the festival number of main flexible pipeline 2 and vice flexible pipeline 4 water pipe, also can be according to actual demand, and the festival number of water pipe is inconsistent with the sleeve pipe.

It should be noted that the installation positions of the main telescopic pipe 2 and the auxiliary telescopic pipe 4 are not limited to the present embodiment, and the main telescopic pipe 2 may be on the left side or the right side, depending on the principle that the interference is most beneficial in the actual design process.

In one embodiment, as shown in fig. 4, the single folding telescopic boom structure further includes a pipe clamp assembly 7, the pipe clamp assembly 7 is disposed on the folding telescopic boom 1, and the pipe clamp assembly 7 is used for fixing two ends of the main telescopic pipeline 2; and/or the pipe clamp assembly 7 is used for fixing the two ends of the auxiliary telescopic pipeline 4.

Specifically, the pipe clamp assembly 7 is far away from the first sleeve pipe and the last sleeve pipe of the lower telescopic boom 11 of the folding telescopic boom 1 on one side, close to the water pipe, of the pipe clamp assembly 7 and is used for fixing the first water pipe and the last water pipe in the auxiliary telescopic pipeline 4, when the first sleeve pipe stretches out and draws back, the first water pipe can be driven, other water pipes can be driven according to actual stretching conditions, the pipe clamp assembly 7 plays a role in connecting the auxiliary telescopic pipeline 4 with the middle of the lower telescopic boom 11, and meanwhile the auxiliary telescopic pipeline 4 can also realize the effect of follow-up stretching of the lower telescopic boom 11.

As shown in fig. 4-5, the pipe clamp assembly 7 includes an upper pipe clamp 71, a lower pipe clamp 72, a base 73 and a supporting rib 74, the base 73 is disposed on the folding telescopic arm 1, one end of the supporting rib 74 is connected to the base 73, the other end of the supporting rib is connected to the lower pipe clamp 72, the upper pipe clamp 71 and the lower pipe clamp 72 are of semicircular arc structures, the upper pipe clamp 71 and the lower pipe clamp 72 are folded to form a through hole for a water pipe to penetrate, and the upper pipe clamp 71 and the lower pipe clamp 72 are detachably connected, so that the water pipe can be conveniently fixed and detached.

It will be appreciated that the present embodiment takes the first lower arm auxiliary telescopic pipe 41 of the pipe clamp assembly 7 for fixing the auxiliary telescopic pipe 4 as an example, and the fixing structure and principle of the pipe clamp assembly 7 for fixing the main telescopic pipe 2 are similar, so that the detailed description will not be given.

In one embodiment, as shown in fig. 4, the single folding telescopic boom structure further comprises a support component 8, wherein the support component 8 is arranged on the folding telescopic boom 1, and the support component 8 is used for supporting the middle part of the main telescopic pipeline 2; and/or the pipe clamp assembly 7 is used to support a central portion of the secondary telescopic pipe 4.

Specifically, one side of the supporting component 8 far away from the water pipe is arranged on the sleeve pipe of the middle part of the lower telescopic arm 11 in the folding telescopic arm 1, one side of the supporting component 8 close to the water pipe is used for supporting the water pipe of the middle part of the auxiliary telescopic pipeline 4, the supporting component 8 does not fix the water pipe, only plays a supporting role, and the condition that the water pipe positioned in the middle part sags when the telescopic range is relatively large is avoided.

As shown in fig. 4 and 6, the support assembly 8 includes a support base 81 and a support member 82, the support base 81 is disposed on the lower telescopic arm 11 of the folding telescopic arm 1, one end of the support member 82 is connected to the support base 81, and the other end is provided with a support groove for accommodating and supporting at least a portion of the water pipe.

It will be appreciated that the present embodiment takes the example that the support assembly 8 supports the auxiliary telescopic pipe 4, and the support structure and principle that the support assembly 8 supports the main telescopic pipe 2 are similar, so that the detailed description will not be given.

In one embodiment, as shown in fig. 7-8, the single folding telescopic boom structure further includes a driving source 91, a push rod 92 and a swing rod 93, wherein an output end of the driving source 91 is rotatably connected to the upper telescopic arm 12, one end of the push rod 92 is rotatably connected to the lower telescopic arm 11, the other end is rotatably connected to a tail end of the driving source 91, one end of the swing rod 93 is rotatably connected to the upper telescopic arm 12, and the other end is rotatably connected to a tail end of the driving source 91.

The driving source 91 is a variable-amplitude oil cylinder, which is more stable than a single oil cylinder, the push rod 92 and the swing rod 93 are coaxially and rotatably connected to the tail end of the driving source 91, and the output end of the driving source 91 is rotatably connected to the upper telescopic arm 12. Since the push rod 92 is rotatably connected to the lower telescopic arm 11, the swing rod 93 is rotatably connected to the upper telescopic arm 12, when the pressure oil is supplied to the driving source 91, the driving source 91 is started, and the driving source 91 can drive the upper telescopic arm 12 to rotate relative to the lower telescopic arm 11 so as to jack up the upper telescopic arm 12, so that the working state shown in fig. 1 is formed. The push rod 92 and the swing rod 93 form a double-rod structure, and the action balance of the driving source 91 is improved.

It will be appreciated that the first bearing 94 is provided between the push rod 92 and the lower telescopic arm 11, and the second bearing 95 is provided between the swing rod 93 and the upper telescopic arm 12, improving the smoothness of the rotation of the push rod 92 and the swing rod 93.

The embodiment also provides a fire engine, including above-mentioned single folding telescopic boom structure, main flexible pipeline 2 and vice flexible pipeline 4 all set up on folding telescopic boom 1, and folding telescopic boom 1 plays the effect of whole support, and when folding telescopic boom 1 stretches out and draws back, folding telescopic boom 1 can drive main flexible pipeline 2 and vice flexible pipeline 4 and stretch out and draw back, makes main flexible pipeline 2 and vice flexible pipeline 4 change along with the length variation of folding telescopic boom 1. One end of the main telescopic pipeline 2 is communicated with the getting-off waterway, and the other end of the main telescopic pipeline is provided with a first water cannon 3, so that the main telescopic pipeline 2 is provided with pressurized water or liquid by a water pump of a vehicle body, and fire extinguishing operation is performed by utilizing the first water cannon 3. One end of the auxiliary telescopic pipeline 4 is provided with an external water supply port 5, and the other end of the auxiliary telescopic pipeline is provided with a second water cannon 6, so that the auxiliary telescopic pipeline 4 is supplied with water or liquid by an external foam fire truck or a fire hydrant, and the second water cannon 6 is utilized for fire extinguishing operation.

Example two

The present embodiment differs from the first embodiment in terms of the structure and principle only, in terms of the structure of the secondary telescopic pipe 4 and the position of the second water cannon 6.

As shown in fig. 9, the auxiliary telescopic pipe 4 provided in this embodiment includes a second lower arm auxiliary telescopic pipe 42 and an upper arm auxiliary telescopic pipe 43, the second lower arm auxiliary telescopic pipe 42 is disposed on the lower telescopic arm 11, and the upper arm auxiliary telescopic pipe 43 is at least partially disposed on the upper telescopic arm 12. Wherein, the one end and the external water supply mouth 5 intercommunication of the flexible pipe of second lower arm, the other end and the vice flexible pipeline 43 intercommunication of upper arm, second water cannon 6 sets up in the vice flexible pipeline 43 of upper arm and keeps away from the vice flexible pipeline 42 of second lower arm's one end.

At this time, the first water cannon 3 and the second water cannon 6 are disposed on the upper telescopic arm 12, forming an upper arm double water cannon structure. Because two cannons are respectively on the top ends of the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4, the water pipes of the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 can be telescopic water pipes and synchronously telescopic with the sleeve of the folding telescopic boom 1, and the upper boom auxiliary telescopic pipeline 43 can also be made into a single-section water pipe according to actual requirements. When the upper arm auxiliary telescopic pipeline 43 is a single water saving pipe, the first water cannon 3 is used as a main water cannon to conduct fire extinguishing operation at a higher position, and the second water cannon 6 is used as an auxiliary water cannon to conduct cooling or fire extinguishing operation at a lower position, so that a cross fire extinguishing mode is formed. When the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 are telescopic water pipes, the folding telescopic arm 1 drives the two water cannons to synchronously stretch out and draw back, and double-flow fire extinguishing operation can be performed aiming at the same fire extinguishing point during fire extinguishing.

In one embodiment, the dual telescopic water pipe can adopt the installation mode of the single telescopic water pipe assembly during installation, and also can adopt the installation mode of the pipe clamp assembly 7 of the dual telescopic water pipe, and the installation mode of the single telescopic water pipe assembly is suitable for the condition that two water cannons are not in the same position fire extinguishing operation, and the installation mode of the pipe clamp assembly 7 of the dual telescopic water pipe is suitable for the working condition that two water cannons are synchronously telescopic to extinguish fire.

As shown in fig. 10, when the pipe clamp assembly 7 with the double telescopic water pipes is installed, two pipe clamp assemblies 7 are disposed at the same position of the folding telescopic boom 1, and bases 73 of the two pipe clamp assemblies 7 are connected with each other, or are integrally formed to form a group of pipe clamp assemblies 7, so that the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 can be fixed by the group of pipe clamp assemblies 7, and the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 can be synchronously telescopic, so that the effectiveness of fire extinguishment of the first water cannon 3 and the second water cannon 6 at the same position is guaranteed, and the effect of centralized fire extinguishment is achieved.

In one embodiment, as shown in fig. 11, when the length of the secondary telescopic pipe 4 is smaller than that of the primary telescopic pipe 2, the horizontal swing angle of the second water cannon 6 is-5 ° to +45° or-45 ° to +5°.

It will be appreciated that when the first water cannon 3 and the second water cannon 6 are in the same position or up and down, the swing angle of the two water cannons will be affected. The swing ranges of the water cannons at different positions are different, and the horizontal swing angles of the water cannons can be influenced by the distance between the water cannons and the lower telescopic arm 11 and the left and right positions of the two water cannons.

For example, if the first water cannon 3 is positioned forward relative to the second water cannon 6, that is, the second water cannon 6 is closer to the head end of the lower telescopic boom 11, the horizontal swing angle of the first water cannon 3 may be-45 ° to +45°, without any constraint, but the second water cannon 6 needs to be further constrained and narrowed in the original horizontal swing angle range of-45 ° to +45° due to being closer to the head end of the lower telescopic boom 11.

For example, if the first water cannon 3 and the second water cannon 6 are respectively located at two sides of the upper telescopic arm 12, the second water cannon 6 is located at the left side of the upper telescopic arm 12, and the first water cannon 3 is located at the right side of the upper telescopic arm 12, at this time, the second water cannon 6 does not interfere when turning left, and easily interferes with the upper telescopic arm 12 when turning right, at this time, the swing range of the right side of the second water cannon 6 is relatively narrow, namely-45 ° to +5°;

if the second water cannon 6 and the first water cannon 3 are positioned on the same side of the upper telescopic boom 12, such as the right side, and the second water cannon 6 is positioned on the right side of the first water cannon 3, the second water cannon 6 is not interfered when turning right, and is easy to interfere with the first water cannon 3 positioned on the left side when turning left, and at the moment, the swinging range of the left side is narrower, namely-5 degrees to +45 degrees;

if the second cannon 6 and the first cannon 3 are located on the same side, for example, the left side, of the upper telescopic boom 12, and the second cannon 6 is located on the left side of the first cannon 3, the second cannon 6 does not interfere when turning left, and easily interferes with the first cannon 3 located on the right side when turning right, at this time, the swing range of the right side is narrower, namely, -45 degrees to +5 degrees.

Specifically, when the main telescopic pipeline 2 corresponding to the first water cannon 3 is a telescopic water pipe and the telescopic length of the auxiliary telescopic pipeline 4 corresponding to the second water cannon 6 is smaller than the telescopic length of the main telescopic pipeline 2, the fire extinguishing angle of the first water cannon 3 is consistent with the setting, namely, the horizontal swing angle of the first water cannon 3 is-45 degrees to +45 degrees, the pitching operation angle of the first water cannon 3 is-90 degrees to +45 degrees, the pitching operation angle of the second water cannon 6 can be kept to-90 degrees to +45 degrees, and the horizontal swing angle of the second water cannon 6 needs to be reset to-5 degrees to +45 degrees or-45 degrees to +5 degrees, so that the horizontal swing range of the second water cannon 6 is narrowed, and interference between the second water cannon 6 and the first water cannon 3 is avoided when the second water cannon 6 rotates in a direction approaching the first water cannon 3.

In one embodiment, the first cannon 3 and the second cannon 6 are rotated in synchronism when the length of the secondary telescopic pipe 4 is equal to the length of the primary telescopic pipe 2.

When the main telescopic pipeline 2 corresponding to the first water cannon 3 and the auxiliary telescopic pipeline 4 corresponding to the second water cannon 6 are synchronous telescopic water pipes, the length of the auxiliary telescopic pipeline 4 is equal to that of the main telescopic pipeline 2, so that the main telescopic pipeline 2 and the auxiliary telescopic pipeline hardly have height drop, the pitching operation angles of the first water cannon 3 and the second water cannon 6 are consistent with the setting, and the horizontal swing angle needs to be synchronously controlled, such as synchronous left swing or synchronous right swing, so that interference between the second water cannon 6 and the first water cannon 3 is reduced.

In one embodiment, as shown in fig. 11, a first connecting pipe is arranged between the main telescopic pipeline 2 and the first water cannon 3, a second connecting pipe is arranged between the auxiliary telescopic pipeline 4 and the second water cannon 6, the first connecting pipe and the second connecting pipe are in a horn-shaped structure, and the large mouth end of the horn-shaped structure is arranged towards the first water cannon 3.

The first connecting pipe is the terminal water pipe of main flexible pipeline 2, and the second connecting pipe is the terminal water pipe of vice flexible pipeline 4, is the tubaeform structure through setting up first connecting pipe and second connecting pipe, makes first connecting pipe and second connecting pipe extend to both sides slant respectively, and the big mouth end of tubaeform structure sets up towards first water cannon 3, increases the distance between first water cannon 3 and the second water cannon 6 two, makes first water cannon 3 and second water cannon 6 keep away from as far as possible, reduces the risk that both interfere the collision.

It will be appreciated that when the length of the secondary telescopic pipe 4 is equal to that of the primary telescopic pipe 2, the two water cannons are controlled to rotate synchronously and the first connecting pipe and the second connecting pipe are controlled to be in two interference-preventing modes, and in some embodiments, the two modes can be adopted simultaneously, so that the risk of interference collision is further reduced.

Example III

The present embodiment is similar to the first and second embodiments, and differs only in the arrangement position and number of the second cannons 6.

As shown in fig. 12, this embodiment is an integration of the first embodiment and the second embodiment, and the auxiliary telescopic pipeline 4 of this embodiment includes a first lower arm auxiliary telescopic pipeline 41, a second lower arm auxiliary telescopic pipeline 42 and an upper arm auxiliary telescopic pipeline 43, at this time, the first lower arm auxiliary telescopic pipeline 41 corresponds to one second water cannon 6, and the upper arm auxiliary telescopic pipeline 43 corresponds to one second water cannon 6, so that three water cannons can be adopted to perform multi-angle and three-dimensional cross fire extinguishment, so as to control a plurality of three water cannons to perform fire extinguishment operation at the same fire truck position, and further improve the fire extinguishment effect.

At this time, the first lower arm auxiliary telescopic pipeline 41 and the second lower arm auxiliary telescopic pipeline 42 correspond to the two external water supply ports 5 respectively, and if there is a possibility that one foam fire engine is insufficient in water supply flow under special conditions in the water supply process, the fire extinguishing flow of the water cannon can be increased by adopting the two external water supply ports 5.

In one embodiment, as shown in fig. 12, the single folding telescopic boom structure further includes a folding arm 13, where the folding arm 13 is disposed at an end of the folding telescopic arm 1 near the first water cannon 3 and is connected to the auxiliary telescopic pipeline 4.

If fire extinguishing is required at different positions, the lengths of the main telescopic pipeline 2 and the auxiliary telescopic pipeline 4 are inconsistent, for example, the length of the auxiliary telescopic pipeline 4 is larger than that of the main telescopic pipeline 2, and at the moment, the part of the auxiliary telescopic pipeline 4 beyond the main telescopic pipeline 2 is in a suspended state. For this reason, be provided with folding arm 13 in folding telescopic boom 1 one end that is close to first cannon 3, be equivalent to the front end at folding telescopic boom 1 increase one section folding arm, folding arm 13 is connected in vice flexible pipeline 4 for vice flexible pipeline 4 provides the supporting position, avoid the circumstances that the unsettled part of vice flexible pipeline 4 takes place to drop.

In one embodiment, the folding arm 13 and the folding telescopic arm 1 are arranged at an included angle, so that a space is reserved between the first water cannon 3 and the second water cannon 6, and interference between the first water cannon 3 and the second water cannon 6 is avoided.

The included angle setting is formed between the folding arm 13 and the folding telescopic arm 1, and as the second water cannon 6 is arranged at the top end of the folding arm 13, the first water cannon 3 and the second water cannon 6 can not interfere, fire extinguishing operation can be performed respectively, the angles of the two water cannons can be controlled more easily, and the operation difficulty is reduced.

It will be appreciated that the number of water cannons is not limited in this embodiment, and at least four water cannons may be provided, so long as the recoil of the water cannons and the layout of the folding telescopic boom 1 in the design space allow, a plurality of water cannons may be controlled to perform fire extinguishing operation at the same fire truck.

It should be noted here that the single folding telescopic boom structure shown in the drawings and described in this specification is only one example employing the principles of the present invention. It will be clearly understood by those of ordinary skill in the art that the principles of the present invention 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 invention is not limited in its application to the details of construction and the arrangement of components set forth in the specification. The invention 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 invention. It should be understood that the invention 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 invention. The embodiments described in this specification illustrate the best mode known for carrying out the invention and will enable those skilled in the art to make and use the invention.

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

It is to be understood that the invention 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 invention is limited only by the appended claims.

Claims

1. A single folding telescopic boom structure, comprising:

folding the telescopic arm;

2. The single folding telescopic boom structure according to claim 1, wherein the folding telescopic boom comprises a lower telescopic boom and an upper telescopic boom, the upper telescopic boom is rotatably connected to the lower telescopic boom, the main telescopic pipeline is arranged on the lower telescopic boom and the upper telescopic boom, the first water cannon is arranged corresponding to the upper telescopic boom, and the auxiliary telescopic pipeline is at least partially arranged on the lower telescopic boom;

3. The single fold telescoping boom structure of claim 2, wherein said secondary telescoping tube comprises:

4. A single fold telescopic boom structure according to claim 2 or 3, wherein said secondary telescopic pipe comprises:

5. The single fold telescopic boom structure of claim 2, further comprising:

6. The single fold telescopic boom structure of claim 1, further comprising:

7. The structure of claim 6, wherein an included angle is formed between the folding arm and the folding telescopic arm, so that a space is formed between the first water cannon and the second water cannon, and the space is used for avoiding interference between the first water cannon and the second water cannon.

8. The single fold telescopic boom structure of claim 1, further comprising:

9. The single folding telescopic boom structure according to claim 1, wherein the horizontal swing angle of the first water cannon and/or the second water cannon is-45 ° to +45°, and the pitch operation angle of the first water cannon and/or the second water cannon is-90 ° to +45°.

10. The structure of claim 9, wherein the horizontal swing angle of the second water cannon is-5 ° to +45° or-45 ° to +5° when the length of the secondary telescopic pipe is smaller than the length of the primary telescopic pipe.

11. The single fold telescoping boom structure of claim 9, wherein said first water cannon and said second water cannon rotate in unison when said secondary telescoping tube has a length equal to said primary telescoping tube; and/or the number of the groups of groups,

12. The single folding telescopic boom structure according to claim 1, wherein the main telescopic pipeline comprises a lower arm main telescopic pipeline and an upper arm main telescopic pipeline, one end of the lower arm main telescopic pipeline is communicated with the lower car waterway, the other end of the lower arm main telescopic pipeline is communicated with the upper arm main telescopic pipeline, and the first water cannon is arranged at one end of the upper arm main telescopic pipeline away from the lower arm main telescopic pipeline.

13. A fire truck comprising the single folding telescopic boom structure of any of claims 1-12.