CN214784354U - Water supply device for remote water supply pump truck and remote water supply pump truck - Google Patents
Water supply device for remote water supply pump truck and remote water supply pump truck Download PDFInfo
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- CN214784354U CN214784354U CN202120929920.7U CN202120929920U CN214784354U CN 214784354 U CN214784354 U CN 214784354U CN 202120929920 U CN202120929920 U CN 202120929920U CN 214784354 U CN214784354 U CN 214784354U
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Abstract
The utility model discloses a water supply installation and long-range water supply pump truck for long-range water supply pump truck, water supply installation include water pump and first sluicing valve. The water pump is arranged on the remote water supply pump truck, the water inlet end of the water pump is connected with one end of a first pipeline, the other end of the first pipeline is used for being connected with a water source, the water outlet end of the water pump is connected with one end of a second pipeline, and the other end of the second pipeline is used as a channel for spraying out the water source; the first pipeline is provided with a first branch, and the first branch is connected with the water inlet end of the first water escape valve. Above-mentioned technical scheme is through setting up first sluicing valve, and first sluicing valve can be opened when the water pump has not started yet, drains the partial water source drainage in the first pipeline to the third pipeline and discharge, reduces the water pressure of water pump front end, avoids the too big safety that influences equipment of load, promotes the stability of water pump.
Description
Technical Field
The utility model relates to a long-range water supply field especially relates to a water supply installation and long-range water supply pump truck for long-range water supply pump truck.
Background
When used for fighting forest fires, the water fire fighting agent has the characteristics of high efficiency, economy, simplicity, convenience, no environmental pollution and the like, and is an internationally recognized forest fire fighting technical development trend. The existing water supply mode mainly adopts manual water carrying, but the labor intensity is high and the manpower consumption is high due to low water source terrain, rugged mountain road and dense forest. Aiming at the condition that the artificial water supply is insufficient for supplying water to the large forest fire, the mechanical equipment adopting the traditional water pump for remote water supply is provided, and the following technical problems are solved:
adopt the displacement pump, can realize that the centrifugal pump still can reach the effect of high lift under low rotational speed, but during current end pressure water (fire extinguishing agent) had entered into the pipeline that is connected with the water pump end of intaking, if the water pump has not started completely, the water source can't pass through the water pump output this moment to stop up in the pipeline always, cause the increase of atmospheric pressure, the hydraulic pressure of water pump front end, excessive atmospheric pressure, water pressure can destroy the water pump.
SUMMERY OF THE UTILITY MODEL
Therefore, the water supply device for the remote water supply pump truck and the remote water supply pump truck need to be provided, and the problems that pressure water at the front end enters a pipeline connected with a water inlet end of a water pump, the water pump is not completely started, a water source cannot be output through the water pump at the moment, the water source is always blocked in the pipeline, air pressure and water pressure at the front end of the water pump are increased, and the water pump is damaged by excessive air pressure and water pressure are solved.
In order to achieve the above object, the present embodiment provides a water supply device for a remote water supply pump truck, which includes a water pump and a first drain valve;
the water pump is arranged on the remote water supply pump truck, the water inlet end of the water pump is connected with one end of a first pipeline, the other end of the first pipeline is used for connecting a water source, the water outlet end of the water pump is connected with one end of a second pipeline, and the other end of the second pipeline is used as a pressurized water source spraying channel;
the first pipeline is provided with a first branch, and the first branch is connected with the water inlet end of the first water escape valve.
Further, the water drain device also comprises a second water drain valve;
the second pipeline is connected with the water inlet end of the second water escape valve through a second branch.
Furthermore, the water outlet end of the second water escape valve is connected with the fourth pipeline.
Further, the device also comprises an engine;
the engine is in transmission connection with the water pump.
Further, the water outlet end of the first water drain valve is connected with a third pipeline.
Be different from prior art, first sluicing valve can be opened when the water pump has not started yet, with the partial water source drainage in the first pipeline to third pipeline and discharge, reduces atmospheric pressure, the water pressure of water pump front end, avoids the too big safety that influences equipment of load, promotes the stability of water pump.
In order to achieve the above object, the present embodiment further provides a remote water supply pump truck, which includes a chassis, a traveling mechanism and a water supply device;
advancing mechanisms are arranged on two sides of the chassis and are used for driving the chassis to move on the ground;
the water supply device is arranged on the top of the chassis and is the water supply device for the remote water supply pump truck in any one of the embodiments.
Further, the lifting device also comprises an outer cover and a lifting telescopic rod;
the bottom of the lifting telescopic rod is rotatably arranged on the chassis, the telescopic end of the lifting telescopic rod is connected with the inner part of the rear side of the outer cover, and the rear side of the outer cover is hinged on the chassis.
Furthermore, the lifting telescopic rod is a telescopic rod of an air cylinder, a telescopic rod of an oil cylinder or an electric telescopic rod.
Further, the travel mechanism includes a power source and a track wheel;
the output shaft of the power source is in transmission connection with the crawler wheel;
the power source is any one of a gasoline engine, a diesel engine and a permanent magnet synchronous motor.
Be different from prior art, the long-range water supply pump truck of above-mentioned technical scheme is equipped with first sluicing valve, and first sluicing valve can be opened when the water pump has not started yet, with the partial water source drainage in the first pipeline to third pipeline and discharge, reduces atmospheric pressure, the water pressure of water pump front end, avoids the too big safety that influences equipment of load. When the remote relay water supply operation is carried out, the remote relay water supply device is shut down under special conditions, the second water drain valve can unload the pressure at the rear end of the water pump under the condition that a rear end pipeline is not detached, the engine is restarted, and the water pump operates to carry out pressurization operation.
Drawings
FIG. 1 is a schematic structural view of a water supply apparatus according to the present embodiment;
fig. 2 is a structural plan view of a water supply device on the water supply pump truck according to the embodiment;
FIG. 3 is a side view showing the structure of a water supply device of the water pump truck according to the present embodiment;
fig. 4 is a schematic structural diagram of the housing according to the embodiment.
Description of reference numerals:
1. a water pump;
11. a first conduit; 12. a second conduit; 13. a third pipeline; 14. a fourth conduit;
15. a first branch; 16. a second branch circuit;
2. a first water escape valve;
3. a second water escape valve;
4. a chassis;
5. a traveling mechanism;
51. a crawler wheel;
6. a housing;
61. and lifting the telescopic rod.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
The opening of the water pump 1 requires a certain response time, the water source enters the first pipeline 11, but the water pump 1 is not completely started, at this time, the water source cannot be output through the water pump 1 and is always blocked in the first pipeline 11, so that the air pressure and the water pressure at the front end of the water pump 1 are increased, and the water pump 1 and the first pipeline 11 are damaged by the excessive air pressure and the excessive water pressure.
In order to solve the above technical problem, referring to fig. 1 to 4, the present embodiment provides a remote water supply pump truck, which includes a chassis 4, a traveling mechanism 5 and a water supply device. The two sides of the chassis 4 are provided with a traveling mechanism 5, the traveling mechanism 5 is used for driving the chassis 4 to move on the ground, and the structure is shown in fig. 2 and 3. The top of the chassis 4 is provided with the water supply device, and the water supply device can reduce the pressure at the front end of the water pump and ensure the safety of the front end of the water pump.
In the embodiment, the water supply device comprises a water pump 1 and a first drain valve 2, and the structure is as shown in fig. 1 to 4. The water inlet end of the water pump 1 is connected with one end of a first pipeline 11, the other end of the first pipeline 11 is used for connecting a water source, the water outlet end of the water pump 1 is connected with one end of a second pipeline 12, and the other end of the second pipeline 12 is used as a pressurized water source spraying channel; the first pipeline 11 is provided with a first branch 15, the first branch 15 is connected with the water inlet end of the first water release valve 2, and the water outlet end of the first water release valve 2 is connected with the third pipeline 13. It is noted that the water source can be fire-fighting foam concentrate, water, etc., and covers the surface of the burning object to achieve the fire-fighting effect.
Above-mentioned technical scheme is through setting up first sluicing valve, and first sluicing valve can be opened when the water pump has not started yet, with the partial water source drainage in the first pipeline to third pipeline and discharge, reduces atmospheric pressure, the water pressure of water pump front end, avoids the too big safety that influences equipment of load, promotes the stability of water pump.
In the embodiment, in order to avoid the over-high pressure at the rear end of the water pump 1, the second pipe 12 is connected to the water inlet end of the second water release valve 3 through the second branch 16, and the water outlet end of the second water release valve 3 is connected to the fourth pipe 14, which has the structure shown in fig. 1. The second water escape valve 3 is opened when the rear end pressure of the water pump 1 is too high, so that water flows out of the fourth pipeline 14, the water pump 1 can be prevented from being damaged due to the too high pressure, and the stability of the water pump 1 can be further enhanced.
In the present embodiment, an engine (not shown) for driving the water pump is further provided in order to improve the transmission efficiency of the water pump. The output end of the engine is directly in transmission connection with the water pump motor, so that low transmission efficiency is avoided, the water pump can convey water by larger driving force, the fire extinguishing capability of the remote water supply pump truck is improved, and the remote water supply pump truck can spray fire scenes at farther positions.
In this embodiment, in order to protect the components of the remote water supply pump truck, the remote water supply pump truck further comprises a housing 6, which is structured as shown in fig. 4. The outer cover 6 is arranged on the chassis 4, and protects components (a lifting mechanism, a water pump and the like) on the chassis 4, so that the problem of service life caused by liquid wetting is avoided. However, the fire monitor can freely extend into or out of the outer cover of the water pump truck to extinguish the external fire scene. The arrangement of the outer cover is also beneficial to reducing the height of the water pump truck, and the probability that the water pump truck with lower height is blocked by branches when the water pump truck advances is reduced.
In this embodiment, the front end of the outer cover 6 is openable and closable on the chassis, the rear end of the outer cover 6 is hinged on the rear end of the chassis, the bottom of the lifting telescopic rod 61 is rotatably disposed on the chassis, and the telescopic end of the lifting telescopic rod 61 is connected with the inside of the rear side of the outer cover, and the structure is as shown in fig. 4. The driving force of the telescopic end is provided by a cylinder or a hydraulic cylinder. The dustcoat is covered on the chassis at first, and when needs start the dustcoat, the upper portion (flexible end) that lifts the telescopic link rotates to the rear end on chassis, and flexible end rebound simultaneously drives the dustcoat and rotates backward with the articulated department of its rear end, and then opens the dustcoat, exposes the part in the car.
In this embodiment, the lifting telescopic rod is a telescopic rod of an air cylinder, a telescopic rod of an oil cylinder or an electric telescopic rod.
In the present embodiment, the traveling mechanism 5 includes a power source, a transmission set and a track wheel 51, and the structure is shown in fig. 3. The crawler wheels 51 are mounted on the chassis, the crawler wheels 51 are arranged in two rows, and the crawler wheels 51 in the two rows are respectively arranged on two sides of the chassis. The crawler wheels 51 can adapt to different types of ground surfaces, and can climb steep slopes, go wider than trenches, wade deep water and cross fields. The power source is in transmission connection with the crawler wheels 51 through a transmission assembly and drives the chassis to move.
The crawler-type traveling mechanism 5 is large in ground contact area and not easy to sink, can easily pass through soft and muddy road surfaces in the traveling process, cannot cause slip and rotation, and is wide in application range.
In certain embodiments, the travel mechanism includes a power source and a wheel. Generally, the number of the rotating wheels is even, such as four, six, eight and the like, so that the running stability of the vehicle is enhanced. The power source can be a gasoline engine, a diesel engine, a permanent magnet synchronous motor or an alternating current asynchronous motor, so that the remote water supply pump truck becomes an oil truck, a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle and the like.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (9)
1. A water supply device for a remote water supply pump truck is characterized by comprising a water pump and a first water drain valve;
the water pump is arranged on the remote water supply pump truck, the water inlet end of the water pump is connected with one end of a first pipeline, the other end of the first pipeline is used for connecting a water source, the water outlet end of the water pump is connected with one end of a second pipeline, and the other end of the second pipeline is used as a pressurized water source spraying channel;
the first pipeline is provided with a first branch, and the first branch is connected with the water inlet end of the first water escape valve.
2. A water supply installation for a remote water supply pump truck as claimed in claim 1, further comprising a second water escape valve;
the second pipeline is connected with the water inlet end of the second water escape valve through a second branch.
3. The water supply device for the remote water supply pump truck as claimed in claim 1, wherein the water outlet end of the second water escape valve is connected with the fourth pipeline.
4. The water supply apparatus for a remote water supply pump truck as claimed in claim 1, further comprising an engine;
the engine is in transmission connection with the water pump.
5. The water supply device for the remote water supply pump truck as claimed in claim 1, wherein the water outlet end of the first water escape valve is connected with a third pipeline.
6. A remote water supply pump truck is characterized by comprising a chassis, a traveling mechanism and a water supply device;
advancing mechanisms are arranged on two sides of the chassis and are used for driving the chassis to move on the ground;
the water supply device is arranged on the top of the chassis and is the water supply device for the remote water supply pump truck as claimed in any one of claims 1 to 5.
7. The remote water supply pump truck according to claim 6, further comprising a housing and a lifting telescoping rod;
the bottom of the lifting telescopic rod is rotatably arranged on the chassis, the telescopic end of the lifting telescopic rod is connected with the inner part of the rear side of the outer cover, and the rear side of the outer cover is hinged on the chassis.
8. The remote water supply pump truck according to claim 7, wherein the lifting telescopic rod is a telescopic rod of a cylinder, a telescopic rod of an oil cylinder or an electric telescopic rod.
9. The remote water supply pump truck according to claim 6, wherein the travel mechanism comprises a power source and a track wheel;
the output shaft of the power source is in transmission connection with the crawler wheel;
the power source is any one of a gasoline engine, a diesel engine and a permanent magnet synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929920.7U CN214784354U (en) | 2021-04-30 | 2021-04-30 | Water supply device for remote water supply pump truck and remote water supply pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929920.7U CN214784354U (en) | 2021-04-30 | 2021-04-30 | Water supply device for remote water supply pump truck and remote water supply pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214784354U true CN214784354U (en) | 2021-11-19 |
Family
ID=78692200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120929920.7U Active CN214784354U (en) | 2021-04-30 | 2021-04-30 | Water supply device for remote water supply pump truck and remote water supply pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214784354U (en) |
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2021
- 2021-04-30 CN CN202120929920.7U patent/CN214784354U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yin Peng Inventor after: Huang Yongpo Inventor after: Xiao Huijin Inventor after: Xu Guangyuan Inventor after: Luo Kanwen Inventor after: Yang Zhenmin Inventor after: OuYang Liange Inventor after: Lin Zhiguo Inventor before: Yin Peng Inventor before: Huang Yongbo Inventor before: Xiao Huijin Inventor before: Xu Guangyuan Inventor before: Luo Kanwen Inventor before: Yang Zhenming Inventor before: OuYang Liange Inventor before: Lin Zhiguo |
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| CB03 | Change of inventor or designer information |