CN111272404A - Fire engine fire-fighting pipeline test system - Google Patents
Fire engine fire-fighting pipeline test system Download PDFInfo
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- CN111272404A CN111272404A CN202010191725.9A CN202010191725A CN111272404A CN 111272404 A CN111272404 A CN 111272404A CN 202010191725 A CN202010191725 A CN 202010191725A CN 111272404 A CN111272404 A CN 111272404A
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- water
- supply pump
- pipeline
- water supply
- fire fighting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/06—Hose or pipe bridges
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a fire engine fire control pipeline test system, include: the external pipeline is used for supplying water to a fire pipeline of the fire engine; the first water supply pump group comprises a first water supply pump, a first water outlet pipeline and a first water inlet pipeline, wherein two ends of the first water outlet pipeline are respectively connected between a water outlet of the first water supply pump and an external pipeline, and a first control valve for controlling the on-off of the pipeline is arranged on the first water outlet pipeline; the second water supply pump group comprises a second water supply pump, a second water outlet pipeline and a second water inlet pipeline, wherein two ends of the second water outlet pipeline are connected between a water outlet of the second water supply pump and the external pipeline, and a second control valve for controlling the on-off of the pipeline is arranged on the second water inlet pipeline; and one end of the middle pipeline is connected with the part of the first water outlet pipeline, which is positioned between the first control valve and the first water supply pump, while the other end of the middle pipeline is connected with the part of the second water inlet pipeline, which is positioned between the second control valve and the second water supply pump, and the middle pipeline is provided with a third control valve for controlling the on-off of the pipeline.
Description
Technical Field
The invention relates to a test system, in particular to a fire fighting pipeline test system of a fire fighting truck.
Background
The fire engine is a motor-driven fire-fighting technical device for fire extinguishing, auxiliary fire extinguishing or fire rescue. The fire truck using water as the fire extinguishing agent comprises a large-flow tank truck, a lifting type fire truck and the like, wherein the large-flow tank truck is mainly used for spraying the large-flow fire extinguishing agent, and the lifting type fire truck is mainly used for spraying the fire extinguishing agent to high altitude. In the test of the fire pipeline of the fire engine, the flow, the water supply pressure and the like of the fire engine need to be tested, for example, the fire monitor calibration test of the fire engine needs to test the water supply pressure needed by the fire monitor of the fire engine when the fire monitor works under the rated flow, and at the moment, the fire pipeline test system of the fire engine needs to meet the test requirements of the rated flow and the water supply pressure of the fire monitor. The fire fighting pipeline requirements of different types of fire fighting vehicles differ greatly, for example, the rated flow and the required system water supply pressure of a fire monitor for a conventional large flow tanker are about 170L/s, 1.2MPa, and the rated flow and the required system water supply pressure of a fire monitor for an elevating type fire fighting vehicle are about 100L/s, 2.2 MPa. If the fire fighting pipeline test system of the fire fighting truck adopts one water supply pump group to meet the test requirements of different types of fire fighting trucks, the limit value of fire fighting cannons of different types of fire fighting trucks needs to be met, for example, if the test system for meeting the fire fighting cannon tests of a lifting type fire fighting truck and a large-flow tank truck adopts one water supply pump group, the water supply pump needs to at least meet the fluid working output of 170L/s and 2.2MPa, the required power configuration of the water supply pump and the power configuration of a motor for driving the water supply pump are large, the structure volume is large, and the cost is high.
Disclosure of Invention
The invention aims to provide a fire fighting pipeline test system of a fire fighting truck, which can reduce the required power and the structural volume of a single water supply pump.
The invention discloses a fire fighting pipeline test system of a fire fighting truck, which comprises:
the external pipeline is connected with the fire fighting pipeline of the fire fighting truck during testing and is used for supplying water to the fire fighting pipeline of the fire fighting truck;
the first water supply pump group comprises a first water supply pump, a first water outlet pipeline and a first water inlet pipeline which is used for supplying water for the first water supply pump and is connected with a water source, the first water inlet pipeline is connected with a water inlet of the first water supply pump, two ends of the first water outlet pipeline are respectively connected between a water outlet of the first water supply pump and the external pipeline, and a first control valve used for controlling the connection and disconnection of the first water outlet pipeline is arranged on the first water outlet pipeline;
the second water supply pump group comprises a second water supply pump, a second water outlet pipeline and a second water inlet pipeline which is used for supplying water for the second water supply pump and is connected with a water source, the second water inlet pipeline is connected with a water inlet of the second water supply pump, two ends of the second water outlet pipeline are connected between a water outlet of the second water supply pump and the external pipeline, and a second control valve used for controlling the second water inlet pipeline to be connected and disconnected is arranged on the second water inlet pipeline;
the middle pipeline, the one end of middle pipeline with first outlet conduit is located the part between first control valve and the first water supply pump is connected, its other end with the second inlet conduit is located the second control valve with the part between the second water supply pump is connected, be equipped with on the middle pipeline and be used for controlling the third control valve of middle pipeline break-make.
In some embodiments, the rated flow and rated pressure of the first and second water supply pumps are the same.
In some embodiments, the first and second water supply pumps are rated for 100L/s flow and rated for pressure, respectively, and in some embodiments, at least one of the first and second water supply pumps is drivingly connected to an inverter motor.
In some embodiments, a first check valve is provided on the first outlet conduit between the intermediate conduit and the first supply pump; and/or a second check valve is arranged on the second water outlet pipeline.
In some embodiments, the first water supply pump group further includes a first water drain valve for draining water for the first water supply pump, the first water drain valve being connected to the water inlet of the first water supply pump, and/or the second water supply pump group further includes a second water drain valve for draining water for the second water supply pump, the second water drain valve being connected to the water inlet of the second water supply pump.
In some embodiments, the first and second discharge valves are ball valves.
In some embodiments, the outlet of the first feed water pump and the outlet of the second feed water pump are each provided with a pressure gauge.
According to the fire fighting pipeline test system for the fire fighting truck, the plurality of water supply pump groups are arranged and connected with corresponding pipelines and control valves, so that the series and parallel working modes among the water supply pump groups are realized, the test requirements of various fire fighting trucks can be met, the required power and the required volume of a single water supply pump can be reduced, and the required power and the required structural volume of the water supply pump can be reduced.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural diagram of a fire fighting pipeline testing system of a fire fighting truck according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The fire fighting truck fire fighting pipeline test system of the embodiment shown in fig. 1 comprises an external pipeline 6, a first water supply pump set, a second water supply pump set and an intermediate pipeline 121.
The external pipeline 6 is connected with a fire pipeline of the fire engine during testing and is used for supplying water for the fire pipeline of the fire engine. The external pipe 6 includes a pipe and a valve on the pipe, an interface connected to a fire fighting pipe of a fire fighting vehicle, etc., for example, as shown in fig. 1, the external pipe 6 includes a valve interface 61 connected to a fire monitor of the fire fighting vehicle.
The first water supply pump group comprises a first water supply pump 1, a first water outlet pipeline 12 and a first water inlet pipeline 11 connected with a water source and used for supplying water for the first water supply pump 1, the first water inlet pipeline 11 is connected with a water inlet of the first water supply pump 1, two ends of the first water outlet pipeline 12 are respectively connected between a water outlet of the first water supply pump 1 and an external pipeline 6, and a first control valve 31 used for controlling the on-off of the first water outlet pipeline 12 is arranged on the first water outlet pipeline 12.
The second water supply pump group comprises a second water supply pump 2, a second water outlet pipeline 22 and a second water inlet pipeline 21 which is used for supplying water for the second water supply pump 2 and connected with a water source, the second water inlet pipeline 21 is connected with a water inlet of the second water supply pump 2, two ends of the second water outlet pipeline 22 are connected between a water outlet of the second water supply pump 2 and the external pipeline 6, and a second control valve 32 used for controlling the second water inlet pipeline 21 to be connected and disconnected is arranged on the second water inlet pipeline 21.
The first water supply pump 1 and the second water supply pump 2 are hydraulic pumps, such as a vacuum hydraulic pump, a variable displacement hydraulic pump, etc. when the fire fighting pipeline of the fire fighting truck is tested, the first water inlet pipeline 11 and the second water inlet pipeline 21 are used for supplying water to the first water supply pump 1 and the second water supply pump 2 respectively, and the first water inlet pipeline 11, the second water inlet pipeline 21, the first water outlet pipeline 12 and the second water outlet pipeline 22 comprise pipelines for liquid flowing, and can further comprise valves, instruments, etc. arranged on the pipelines. The first control valve 31 and the second control valve 32 are used for controlling the on/off of the pipeline where the first control valve 31 and the second control valve 32 are located, and the first control valve 31 and the second control valve 32 can be valves with on/off functions, such as on/off valves and throttle valves. When the first control valve 31 is opened, the first water supply pump 1 directly supplies water to the external pipeline, and when the first control valve 31 is closed, the first water supply pump 1 supplies water to the external pipeline through other water supply pumps. When the second control valve 32 is opened, the second water supply pump 2 pumps water directly from the water source, and when the second control valve 32 is closed, the pipe between the second water supply pump 2 and the water source is disconnected.
One end of the intermediate pipe 121 is connected to a portion of the first outlet pipe 12 between the first control valve 31 and the first water supply pump 1, and the other end thereof is connected to a portion of the second inlet pipe 21 between the second control valve 32 and the second water supply pump 2, and a third control valve 33 for controlling the opening and closing of the intermediate pipe 121 is provided on the intermediate pipe 121. The third control valve 33 is also a valve having an on-off function, like the first control valve 31 and the second control valve 32.
The fire fighting truck fire fighting pipeline test system of the embodiment has a series mode and a parallel mode, in the parallel mode, as shown in the embodiment shown in fig. 1, the first control valve 31 and the second control valve 32 are opened, the third control valve 33 is closed, the first water supply pump 1 and the second water supply pump 2 are connected in parallel, the first water supply pump 1 and the second water supply pump 2 pump water from a water source and deliver water to an external pipeline independently, at the moment, the test system is in a low-pressure large-flow water supply mode, and is suitable for testing fire fighting pipelines of fire fighting trucks with low pressure and large flow, such as fire monitor of a large-flow tank truck. In the series mode, the first control valve 31 and the second control valve 32 are closed, the third control valve 33 is opened, the first water supply pump 1 and the second water supply pump 2 are connected in series, the first water supply pump 1 pumps water from the water source to the second water supply pump 1 through the intermediate pipe 121, and the second water supply pump 2 pumps the water supplied from the first water supply pump 1 to the external pipe after pressurizing the water again. The test system is in a high-pressure small-flow water supply mode at the moment, and is suitable for fire fighting pipeline tests of high-pressure small-flow fire fighting vehicles such as fire monitor lifting fire fighting vehicles.
In addition, the test system of the embodiment is not limited to only two water supply pump sets, namely, the first water supply pump set and the second water supply pump set, and a plurality of water supply pump sets, such as a third water supply pump set and a fourth water supply pump set, can be arranged. For example, a third water supply pump group including a third water supply pump may be provided, the third water supply pump group includes a third water supply pump, the third water supply pump group includes a third water inlet pipeline connected to a water source for supplying water to the third water supply pump and a third water outlet pipeline connected to the external pipeline and the water outlet of the third water supply pump, a fourth control valve for controlling the on/off of the pipeline is provided on the third water inlet pipeline, a fifth control valve for controlling the on/off of the pipeline is provided on the second water outlet pipeline 22 connected to the water outlet of the second water supply pump 2, a part between the fifth control valve of the second water outlet pipeline 22 and the second water supply pump is connected to the water inlet of the third water supply pump through a second intermediate pipeline 121, and a sixth control valve is provided on the second intermediate pipeline 121. The first water supply pump group, the second water supply pump group and the third water supply pump group can be arranged to supply water in series and supply water in parallel by setting the on-off of the first control valve to the sixth control valve.
The fire fighting truck fire fighting pipeline test system of this embodiment through setting up the connection of a plurality of water supply pump package and corresponding pipeline, control valve, realizes series connection and the parallel operation mode between the water supply pump package, can adapt to the experimental demand of multiple fire fighting truck, can reduce the power and the volume size of required single water supply pump simultaneously, can reduce simultaneously to the auxiliary assembly that fire fighting pipeline test system matches for example the power and the size requirement that are used for driving the motor of water supply pump.
In some embodiments, the rated flow rate and the rated pressure of the first water supply pump 1 and the second water supply pump 2 are the same. The setting can ensure that the system works more stably and reliably when the test system switches between the series mode and the parallel mode.
In some embodiments, the rated flow rate and rated pressure of the first water supply pump 1 and the second water supply pump 2 are 100L/s and 1.2MPa, respectively. The arrangement is suitable for testing of the conventional large flow tanker firemen and conventional elevating fire trucks firemen mentioned in the background section.
In some embodiments, at least one of the first water supply pump 1 and the second water supply pump 2 is drivingly connected to an inverter motor. This set up the rotational speed that the rotational speed of accessible regulation inverter motor adjusted the working shaft who is connected with inverter motor drive to can adjust test system's pressure and flow better, make test system and fire engine's fire control pipeline match more.
In some embodiments, a first check valve 71 is provided on the first outlet conduit 12, the first check valve being provided between the intermediate conduit 121 and the first water supply pump 1; and/or a second check valve 72 may be provided in the second outlet conduit 22. The first check valve 71 and the second check valve 72 are provided to prevent the reverse flow of the fluid, thereby improving the safety and reliability of the first and second water supply pumps 1 and 2 and the stability of the test system.
In some embodiments, the first water supply pump group further includes a first water drain valve 51 for draining the first water supply pump 1, the first water drain valve 51 being connected to the water inlet of the first water supply pump 1, and/or the second water supply pump group further includes a second water drain valve 52 for draining the second water supply pump 2, the second water drain valve 52 being connected to the water inlet of the second water supply pump 2. This arrangement can discharge water to the first water supply pump 1 and the second water supply pump 2 when the test system is not in operation, thereby reducing the load on the first water supply pump 1 and the second water supply pump 2 and facilitating maintenance and repair of the first water supply pump 1 and the second water supply pump 2.
In some embodiments, the first and second discharge valves 51, 52 are ball valves.
In some embodiments, the outlet of the first water supply pump 1 and the outlet of the second water supply pump 2 are each provided with a pressure gauge. For example, a first pressure gauge 41 connected to the water outlet of the first water supply pump 1 and a second pressure gauge 42 connected to the water outlet of the second water supply pump 2. The arrangement can monitor the outlet pressure of the first water supply pump 1 and the second water supply pump 2 in real time when the test system works, monitor the pressure operation condition of the test system and improve the reliability of the test system in the test process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a fire engine fire control pipeline test system which characterized in that includes:
the external pipeline (6) is connected with a fire fighting pipeline of the fire fighting truck during testing and is used for supplying water to the fire fighting pipeline of the fire fighting truck;
the first water supply pump group comprises a first water supply pump (1), a first water outlet pipeline (12) and a first water inlet pipeline (11) which is used for supplying water for the first water supply pump (1) and connected with a water source, wherein the first water inlet pipeline (11) is connected with a water inlet of the first water supply pump (1), two ends of the first water outlet pipeline (12) are respectively connected between a water outlet of the first water supply pump (1) and the external pipeline (6), and a first control valve (31) used for controlling the first water outlet pipeline (12) to be switched on and switched off is arranged on the first water outlet pipeline (12);
the second water supply pump group comprises a second water supply pump (2), a second water outlet pipeline (22) and a second water inlet pipeline (21) which is used for supplying water for the second water supply pump (2) and connected with a water source, the second water inlet pipeline (21) is connected with a water inlet of the second water supply pump (2), two ends of the second water outlet pipeline (22) are connected between a water outlet of the second water supply pump (2) and the external pipeline (6), and a second control valve (32) used for controlling the second water inlet pipeline (21) to be switched on and switched off is arranged on the second water inlet pipeline (21);
and one end of the intermediate pipeline (121) is connected with the part of the first water outlet pipeline (12) positioned between the first control valve (31) and the first water supply pump (1), the other end of the intermediate pipeline is connected with the part of the second water inlet pipeline (21) positioned between the second control valve (32) and the second water supply pump (2), and a third control valve (33) for controlling the on-off of the intermediate pipeline (121) is arranged on the intermediate pipeline (121).
2. A fire fighting truck fire fighting pipeline testing system according to claim 1, characterized in that the rated flow and the rated pressure of the first water supply pump (1) and the second water supply pump (2) are the same.
3. A fire fighting truck fire fighting pipeline test system according to claim 2, characterized in that the rated flow rate and the rated pressure of the first water supply pump (1) and the second water supply pump (2) are 100L/s and 1.2MPa, respectively.
4. A fire fighting truck fire fighting pipeline testing system according to claim 1, characterized in that at least one of the first water supply pump (1) and the second water supply pump (2) is drivingly connected to a variable frequency motor.
5. A fire fighting truck fire fighting pipe test system according to claim 1, characterized in that a first check valve (71) is provided on the first water outlet pipe (12), the first check valve (71) being provided between the intermediate pipe (121) and the first water supply pump (1); and/or a second check valve (72) is arranged on the second water outlet pipeline (22).
6. The fire fighting truck fire fighting pipe test system according to claim 2, characterized in that the first water supply pump group further comprises a first water discharge valve (51) for discharging water to the first water supply pump (1), the first water discharge valve (51) being connected to a water inlet of the first water supply pump (1), and/or the second water supply pump group further comprises a second water discharge valve (52) for discharging water to the second water supply pump (2), the second water discharge valve (52) being connected to a water inlet of the second water supply pump (2).
7. A fire fighting truck fire fighting pipeline testing system as defined in claim 6, wherein the first and second water discharge valves (51, 52) are ball valves.
8. A fire fighting truck fire fighting pipe test system according to any one of claims 1 to 7, characterized in that the outlet of the first water supply pump (1) and the outlet of the second water supply pump (2) are each provided with a pressure gauge.
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CN202010191725.9A CN111272404A (en) | 2020-03-18 | 2020-03-18 | Fire engine fire-fighting pipeline test system |
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CN202010191725.9A CN111272404A (en) | 2020-03-18 | 2020-03-18 | Fire engine fire-fighting pipeline test system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111701181A (en) * | 2020-06-19 | 2020-09-25 | 福建侨龙应急装备股份有限公司 | Control method and system of pressurized vehicle |
CN111701172A (en) * | 2020-06-19 | 2020-09-25 | 福建侨龙应急装备股份有限公司 | Multifunctional pressurizing vehicle |
WO2023115821A1 (en) * | 2021-12-23 | 2023-06-29 | 三一汽车制造有限公司 | Fire fighting truck, fire fighting sprinkler system and control method therefor |
-
2020
- 2020-03-18 CN CN202010191725.9A patent/CN111272404A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111701181A (en) * | 2020-06-19 | 2020-09-25 | 福建侨龙应急装备股份有限公司 | Control method and system of pressurized vehicle |
CN111701172A (en) * | 2020-06-19 | 2020-09-25 | 福建侨龙应急装备股份有限公司 | Multifunctional pressurizing vehicle |
CN111701181B (en) * | 2020-06-19 | 2021-11-02 | 福建侨龙应急装备股份有限公司 | Control method and system of pressurized vehicle |
CN111701172B (en) * | 2020-06-19 | 2021-11-23 | 福建侨龙应急装备股份有限公司 | Multifunctional pressurizing vehicle |
WO2023115821A1 (en) * | 2021-12-23 | 2023-06-29 | 三一汽车制造有限公司 | Fire fighting truck, fire fighting sprinkler system and control method therefor |
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