Fluid transportation emergency device
An emergency device and fluid delivery technology, applied in mechanical equipment, buildings, building structures, etc., can solve problems such as the inability to continue pumping concrete, increase customer costs, increase equipment costs, etc., to improve continuous operation performance and resource utilization rate, reducing the effect of exclusion time
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Embodiment 1
[0021] The invention discloses an emergency device for fluid delivery, such as figure 1 As shown, it at least includes: metering hydraulic system, boom hydraulic system and emergency oil circuit 01; wherein, metering hydraulic system includes oil pump 1, overflow valve 2, reversing valve 3, check valve 4 and distribution valve 10, etc. , the oil suction port of oil pump 1 is connected to the oil tank, the oil outlet port of oil pump 1 is connected to the oil inlet port of reversing valve 3, the working oil port of reversing valve 3 is connected to the inlet port of check valve 4, and the outlet of check valve 4 The outlet end is connected to the oil inlet pipeline of the distribution valve 10; the relief valve 2 is set on the oil outlet pipeline of the oil pump 1 to prevent excessive oil pressure on the oil outlet pipeline of the oil pump 1; the reversing valve 3 is a two-position four-way solenoid valve, When the power is on, the reversing valve 3 works in the right position....
Embodiment 2
[0026] Such as figure 2 As shown, the main difference between Embodiment 2 and Embodiment 1 is that the switch valve 7 adopts a manual valve, so that the operator can realize the emergency drive of the distribution valve hydraulic system through manual control according to the needs. The working principle of Embodiment 2 and the corresponding The technical effect can refer to embodiment 1 description.
Embodiment 3
[0028] Such as image 3 As shown, the main difference between embodiment 3 and embodiment 1 is that embodiment 3 adopts the delivery hydraulic system to supply oil to the metering hydraulic system in an emergency manner, and the delivery hydraulic system includes an oil pump 9, a one-way valve 8 and a pumping valve 12 etc., the oil pump 9 supplies oil to the pumping valve 12 through the check valve 8. When the oil pump 1, the relief valve 2 or the reversing valve 3 of the metering hydraulic system fail, the distribution valve 10 fails due to lack of pressure oil. When swinging and reversing, the pressure oil on the oil inlet line of the pumping valve 12 can be supplied to the distribution valve 10 through the emergency oil circuit 01 to ensure the normal operation of the distribution valve. The working principle and corresponding technical effects of Embodiment 3 can be referred to Embodiment 1.
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