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Portable pneumatic drive oil injection device

An oil filling device and portable technology, which is applied to the parts of the pumping device for elastic fluid, the parts of the variable capacity pump, the liquid variable capacity machinery, etc. Small flow and other problems, to achieve the effect of convenient power source, long-term cleaning, and high oil injection efficiency

Active Publication Date: 2012-02-15
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The oil injection device driven by the motor has a non-tubular structure, which is bulky and inconvenient for transportation. In addition, the harsh transportation environment during sea transportation will easily cause damage to the motor and circuit, and the work reliability is not high
The output flow of the manual pressing method is small, the oil filling time is long, and an oil tank is required, which is inconvenient to carry

Method used

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  • Portable pneumatic drive oil injection device
  • Portable pneumatic drive oil injection device
  • Portable pneumatic drive oil injection device

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Embodiment Construction

[0019] Such as figure 1 , figure 2 As shown, the present invention includes a hydraulic cylinder 1 , a gas drive pipeline 2 and an oil injection pipeline 3 . The hydraulic cylinder 1 is the main body of the present invention, which can store oil inside and inject oil into the oil-filled equipment 5 . Here, the hydraulic cylinder 1 can be made into a cylindrical tubular shape, which is easy to carry and transport. The gas driving pipeline 2 is connected with the gas source 4 to introduce pneumatic power to the hydraulic cylinder 1 . The oil injection pipeline 3 is connected with the equipment 5 to be oiled, so as to facilitate oil injection into the equipment 5 to be oiled.

[0020] A piston 11 is sleeved inside the hydraulic cylinder 1 , the piston 11 can slide along the inner wall of the hydraulic cylinder 1 , and the sliding seal between the piston 11 and the hydraulic cylinder 1 is provided. The piston 11 divides the hydraulic cylinder 1 into two unconnected closed cav...

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Abstract

The invention provides a portable pneumatic drive oil injection device which comprises a hydraulic cylinder, a pneumatic drive pipeline and an oil injection pipeline, wherein a piston which can slide along the inner wall of the hydraulic cylinder is hermetically sheathed in the hydraulic cylinder, the piston divides the hydraulic cylinder into a gas cavity and an oil cavity, the gas cavity is connected with the pneumatic drive pipeline which can be communicated with a gas source, and the oil cavity is connected with the oil injection pipeline which can be communicated with a device to which oil is injected; a gas end quick joint which can facilitate the quick connection with the gas source is arranged on the pneumatic drive pipeline; and an overflow valve for pressure protection, a filterfor filtering oil liquid and an oil end quick joint which can facilitate the quick connection with the device to which the oil is injected are sequentially connected and arranged on the oil injectionpipeline. The portable pneumatic drive oil injection device adopts pneumatic drive oil injection, has a convenient power source, does not need to use an oil tank, only needs to use the hydraulic cylinder, and has small volume, regular shape, convenient carrying and use; furthermore, the portable pneumatic drive oil injection device uses the pneumatic drive and the quick joints, thereby realizing high oil injection efficiency.

Description

technical field [0001] The utility model relates to a portable gas drive oil injection device. Background technique [0002] At present, hydraulic systems are used in many petroleum logging equipment, and hydraulic oil is required as the working medium. During the logging process on the offshore oil platform, it is necessary to maintain the logging equipment, resulting in the loss of hydraulic oil in the instrument. In order to ensure the normal operation of the logging instrument, it is necessary to replenish the hydraulic oil to the instrument to achieve the normal working condition. The existing oil injection device mainly adopts two methods, one is to use a motor to drive the hydraulic pump to obtain the output hydraulic oil pressure, and the other is to obtain the hydraulic oil pressure by manually pressing through a manual pressing device. The oil injection device driven by the motor has a non-tubular structure, which is bulky and inconvenient for transportation. In ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B9/12F04B15/02F04B53/20F04B53/16F04B49/10
Inventor 秦小飞冯永仁
Owner CHINA NAT OFFSHORE OIL CORP
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