CN217107688U - Hydraulic water taking system - Google Patents

Hydraulic water taking system Download PDF

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Publication number
CN217107688U
CN217107688U CN202123453431.8U CN202123453431U CN217107688U CN 217107688 U CN217107688 U CN 217107688U CN 202123453431 U CN202123453431 U CN 202123453431U CN 217107688 U CN217107688 U CN 217107688U
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China
Prior art keywords
hydraulic
water
oil
pump
hydraulic motor
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CN202123453431.8U
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Chinese (zh)
Inventor
秦慧卿
李海军
李鹏冲
彭丽娟
武海彬
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Weichai Power Co Ltd
Linde Hydraulics China Co Ltd
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Weichai Power Co Ltd
Linde Hydraulics China Co Ltd
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Priority to CN202123453431.8U priority Critical patent/CN217107688U/en
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Abstract

The utility model belongs to the technical field of the fire-fighting equipment, a hydraulic pressure water intaking system is disclosed, including water pump, hydraulic motor, water intaking hydraulic pump and return oil hydraulic pump. The water pump is used to take water from a water source. The hydraulic motor is used for driving the water pump. The oil-out of water intaking hydraulic pump and hydraulic motor's oil inlet intercommunication, water intaking hydraulic pump drive hydraulic motor drives the water pump and gets water from the water source, through setting up the oil return hydraulic pump, the oil inlet and hydraulic motor's oil-out intercommunication with the oil return hydraulic pump, the oil-out and the hydraulic tank intercommunication of oil return hydraulic pump, thereby assist the hydraulic motor oil return through the oil return hydraulic pump, with the pressure in the reduction hydraulic motor casing, cause energy loss to lead to water pump water inlet pressure to hang down and take place the cavitation when avoiding hydraulic motor drive water pump because of hydraulic motor internal pressure is too high, make hydraulic motor keep low temperature high-efficient operation, and improve water pump life.

Description

Hydraulic water taking system
Technical Field
The utility model relates to a fire-fighting equipment technical field especially relates to a hydraulic pressure water intaking system.
Background
Among the present fire extinguishing system, generally all be water as the medium of putting out a fire, among the current fire control water intaking system, hydraulic pressure water intaking system is the most common, utilize the different topography of track chassis adaptation, adopt the nature davit to transfer the water tank to in the nature water source simultaneously, in order to carry the water tank with power, the motor that adopts hydraulic drive's mode drive water tank rotates, drive the water pump water intaking, to the topography that the relief fall is big, hydraulic oil in the hydraulic pressure pipe has higher gravitational potential energy, make hydraulic motor oil return difficult, the higher energy loss that arouses of pressure in the motor casing causes the oil temperature to rise, system operating pressure is unstable, inefficiency.
Therefore, a hydraulic water intake system is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic pressure water intaking system makes hydraulic motor keep the high-efficient operation of low temperature to improve water pump life.
To achieve the purpose, the utility model adopts the following technical proposal:
a hydraulic water intake system comprising:
a water pump for taking water from a water source;
a hydraulic motor for driving the water pump;
an oil outlet of the water taking hydraulic pump is communicated with an oil inlet of the hydraulic motor, and the water taking hydraulic pump is used for driving the hydraulic motor;
and the oil inlet of the oil return hydraulic pump is communicated with the oil outlet of the hydraulic motor, the oil outlet of the oil return hydraulic pump is communicated with the hydraulic oil tank, and the oil return hydraulic pump is used for driving the hydraulic oil at the oil return port of the hydraulic motor to flow back into the hydraulic oil tank.
Preferably, the oil return hydraulic pump is disposed on the hydraulic motor and is in transmission connection with a transmission shaft of the hydraulic motor, so that the transmission shaft drives the oil return hydraulic pump.
Preferably, the hydraulic water taking system further comprises a pressure sensor arranged between the oil outlet of the hydraulic motor and the oil inlet of the oil return hydraulic pump.
Preferably, the hydraulic water taking system further comprises a one-way valve, an oil outlet of the oil return hydraulic pump is communicated with an oil inlet of the one-way valve, and an oil outlet of the one-way valve is communicated with the hydraulic oil tank.
Preferably, the hydraulic water taking system further comprises a bypass oil return pipe, an oil return port of the hydraulic motor is communicated with the hydraulic oil tank through the bypass oil return pipe, and the bypass oil return pipe is connected with the oil return hydraulic pump in parallel.
Preferably, the hydraulic water intake system further comprises a power device for driving the water intake hydraulic pump.
Preferably, the power plant is an engine.
Preferably, the hydraulic water taking system further comprises a carrier, and the oil return hydraulic pump, the hydraulic oil tank and the engine are all arranged on the carrier.
Preferably, the hydraulic water taking system further comprises a water tank arranged on the carrier, and a water outlet of the water pump is communicated with the water tank.
Preferably, the carrier is a crawler chassis.
The utility model has the advantages that:
the hydraulic pressure water intaking system that this embodiment provided, water intaking hydraulic pump drive hydraulic motor drives the water pump and gets water from the water source, through setting up the oil return hydraulic pump, oil inlet and hydraulic motor's the oil-out intercommunication with the oil return hydraulic pump, the oil-out and the hydraulic tank intercommunication of oil return hydraulic pump, thereby assist the hydraulic motor oil return through the oil return hydraulic pump, with the pressure in the reduction hydraulic motor casing, cause energy loss to lead to water pump water inlet pressure to hang down and take place the cavitation when avoiding hydraulic motor drive water pump because of hydraulic motor internal pressure is too high, make hydraulic motor keep the high-efficient steady operation of low temperature, and improve water pump life.
Drawings
Fig. 1 is a schematic diagram of a hydraulic water intake system provided by an embodiment of the present invention.
In the figure:
1. a water pump; 2. a hydraulic motor; 3. a water taking hydraulic pump; 4. an oil return hydraulic pump; 5. a hydraulic oil tank; 6. a one-way valve; 7. a bypass return line; 8. a water tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides a hydraulic water intake system, which includes a water pump 1, a hydraulic motor 2, a water intake hydraulic pump 3, and a return hydraulic pump 4. The water pump 1 is used to take water from a water source. The hydraulic motor 2 is used to drive the water pump 1. The oil outlet of the water taking hydraulic pump 3 is communicated with the oil inlet of the hydraulic motor 2, and the water taking hydraulic pump 3 is used for driving the hydraulic motor 2. An oil inlet of the oil return hydraulic pump 4 is communicated with an oil outlet of the hydraulic motor 2, an oil outlet of the oil return hydraulic pump 4 is communicated with the hydraulic oil tank 5, and the oil return hydraulic pump 4 is used for driving hydraulic oil at an oil return port of the hydraulic motor 2 to flow back into the hydraulic oil tank 5.
The hydraulic pressure water intaking system that this embodiment provided, water intaking hydraulic pump 3 drives hydraulic motor 2 and drives water pump 1 and get water from the water source, through setting up oil return hydraulic pump 4, oil inlet and hydraulic motor 2's oil-out intercommunication with oil return hydraulic pump 4, oil-out and hydraulic tank 5 intercommunication of oil return hydraulic pump 4, thereby through the 2 oil returns of the supplementary hydraulic motor of oil return hydraulic pump 4, with the pressure in reducing hydraulic motor 2 casings, because of the too high and emergence cavitation that arouse energy loss and lead to water pump 1 water inlet pressure to hang down in hydraulic motor 2 drive water pump 1 time, make hydraulic motor 2 keep low temperature high-efficient operation, and improve water pump 1 life.
Alternatively, as shown in fig. 1, the return hydraulic pump 4 is disposed on the hydraulic motor 2 and is drivingly connected to a drive shaft of the hydraulic motor 2, so that the drive shaft drives the return hydraulic pump 4. The return oil hydraulic pump 4 is driven by a transmission shaft of the hydraulic motor 2 without an additional power device. Specifically, in this embodiment, the return hydraulic pump 4 is installed on the housing of the hydraulic motor 2, and the driving shaft of the return hydraulic pump 4 is fixedly connected to the driving shaft of the hydraulic motor 2.
Optionally, the hydraulic water taking system provided by this embodiment further includes a pressure sensor disposed between the oil outlet of the hydraulic motor 2 and the oil inlet of the oil return hydraulic pump 4. Pressure between an oil outlet of the hydraulic motor 2 and an oil inlet of the oil return hydraulic pump 4 is measured through the pressure sensor, the oil return hydraulic pump 4 is started after the pressure between the oil outlet of the hydraulic motor 2 and the oil inlet of the oil return hydraulic pump 4 reaches a set value, and when the pressure between the oil outlet of the hydraulic motor 2 and the oil inlet of the oil return hydraulic pump 4 is smaller than the set value, the oil return hydraulic pump 4 is closed, so that the phenomenon that the normal work of the hydraulic motor 2 is influenced due to the fact that the oil suction is generated in the hydraulic motor 2 because the oil return hydraulic pump 4 works all the time when the pressure in a shell of the hydraulic motor 2 is not increased is avoided.
Optionally, as shown in fig. 1, the hydraulic water taking system provided in this embodiment further includes a check valve 6, an oil outlet of the return oil hydraulic pump 4 is communicated with an oil inlet of the check valve 6, and an oil outlet of the check valve 6 is communicated with the hydraulic oil tank 5. The one-way valve 6 is arranged so that the hydraulic oil discharged by the return hydraulic pump 4 can only return to the hydraulic oil tank 5 through the one-way valve 6 without backflow.
Optionally, as shown in fig. 1, the hydraulic water taking system provided by this embodiment further includes a bypass return pipe 7, an oil return port of the hydraulic motor 2 is communicated with the hydraulic oil tank 5 through the bypass return pipe 7, and the bypass return pipe 7 is connected in parallel with the return hydraulic pump 4. When the return oil hydraulic pump 4 breaks down to reduce the flow of the return oil hydraulic pump 4 or stop working, the hydraulic oil in the shell of the hydraulic motor 2 returns to the hydraulic oil tank 5 through the bypass return pipe 7, so that the hydraulic water taking system can continue to work, and the hydraulic water taking system is more stable.
Optionally, the hydraulic water intake system provided by the present embodiment further includes a power device for driving the water intake hydraulic pump 3. Specifically, in the present embodiment, the power plant is an engine.
Optionally, the hydraulic water taking system provided by this embodiment further includes a carrier, and the return oil hydraulic pump 4, the hydraulic oil tank 5 and the engine are all disposed on the carrier. In particular, in this embodiment, the carrier is a crawler chassis.
Optionally, as shown in fig. 1, the hydraulic water taking system provided in this embodiment further includes a water tank 8 disposed on the carrier, and the water outlet of the water pump 1 is communicated with the water tank 8. The water tank 8 is used to store water taken out of the water supply by the water pump 1.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A hydraulic water intake system, comprising:
a water pump (1), the water pump (1) being for taking water from a water source;
a hydraulic motor (2), the hydraulic motor (2) being configured to drive the water pump (1);
an oil outlet of the water taking hydraulic pump (3) is communicated with an oil inlet of the hydraulic motor (2), and the water taking hydraulic pump (3) is used for driving the hydraulic motor (2);
the oil return hydraulic pump (4), the oil inlet of oil return hydraulic pump (4) with the oil-out intercommunication of hydraulic motor (2), the oil-out and hydraulic tank (5) intercommunication of oil return hydraulic pump (4), oil return hydraulic pump (4) are used for driving hydraulic oil reflux of hydraulic motor (2) oil return port department into hydraulic tank (5).
2. The hydraulic water intake system according to claim 1, wherein the return hydraulic pump (4) is disposed on the hydraulic motor (2) and is in driving connection with a drive shaft of the hydraulic motor (2) such that the drive shaft drives the return hydraulic pump (4).
3. The hydraulic water intake system according to claim 1, further comprising a pressure sensor disposed between an oil outlet of the hydraulic motor (2) and an oil inlet of the return hydraulic pump (4).
4. The hydraulic water intake system according to claim 1, further comprising a check valve (6), wherein an oil outlet of the return oil hydraulic pump (4) is communicated with an oil inlet of the check valve (6), and an oil outlet of the check valve (6) is communicated with the hydraulic oil tank (5).
5. The hydraulic water intake system according to claim 1, further comprising a bypass return pipe (7), wherein an oil return port of the hydraulic motor (2) is communicated with the hydraulic oil tank (5) through the bypass return pipe (7), and the bypass return pipe (7) is connected in parallel with the return hydraulic pump (4).
6. Hydraulic water intake system according to any one of claims 1 to 5, further comprising a power device for driving the water intake hydraulic pump (3).
7. The hydraulic water intake system of claim 6, wherein the power plant is an engine.
8. The hydraulic water intake system according to claim 7, further comprising a carrier on which the return hydraulic pump (4), the hydraulic oil tank (5) and the engine are disposed.
9. The hydraulic water intake system according to claim 8, further comprising a water tank (8) provided on the carrier, and a water outlet of the water pump (1) is communicated with the water tank (8).
10. The hydraulic water intake system of claim 8, wherein the carrier is a tracked chassis.
CN202123453431.8U 2021-12-31 2021-12-31 Hydraulic water taking system Active CN217107688U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123453431.8U CN217107688U (en) 2021-12-31 2021-12-31 Hydraulic water taking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123453431.8U CN217107688U (en) 2021-12-31 2021-12-31 Hydraulic water taking system

Publications (1)

Publication Number Publication Date
CN217107688U true CN217107688U (en) 2022-08-02

Family

ID=82592934

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123453431.8U Active CN217107688U (en) 2021-12-31 2021-12-31 Hydraulic water taking system

Country Status (1)

Country Link
CN (1) CN217107688U (en)

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