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A new type of automatic unloading device for accumulators of explosion-proof vehicles in coal mines

An explosion-proof vehicle, automatic unloading technology, applied in actuator accumulators, fluid pressure actuating devices, servo motor components, etc., can solve problems such as safety production accidents, achieve automatic unloading, ensure personal safety, ensure The effect of reliability

Active Publication Date: 2017-01-25
TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the pressurized accumulator of the existing coal mine explosion-proof vehicle is easy to cause safety production accidents, the present invention provides a new type of automatic unloading device for the energy accumulator of the coal mine explosion-proof vehicle

Method used

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  • A new type of automatic unloading device for accumulators of explosion-proof vehicles in coal mines
  • A new type of automatic unloading device for accumulators of explosion-proof vehicles in coal mines
  • A new type of automatic unloading device for accumulators of explosion-proof vehicles in coal mines

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Embodiment Construction

[0016] The specific embodiment of the present invention will be further described in conjunction with the accompanying drawings.

[0017] A novel accumulator automatic unloading device for explosion-proof vehicles in coal mines, comprising a fuel tank, a working pump 1, a liquid filling valve 2, a hydraulic control reversing valve 3 and an accumulator 4 connected in sequence.

[0018] Such as figure 2 As shown, the hydraulic control reversing valve includes a valve body 3.1, a valve core 3.2, a cover plate 3.4, and a spring 3.3. The valve body 3.1 has a cavity to install the valve core 3.2, and the bottom of the valve body 3.1 is installed with a cover plate 3.4 to seal the cavity. , the bottom of the spool 3.2 is connected to one end of the spring 3.3, the other end of the spring 3.3 is connected to the cover plate 3.4, the spool 3.2 has an annular groove along the circumferential direction, and a through hole is opened from the annular groove to the bottom of the spool, and...

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Abstract

The invention belongs to the technical field of hydraulic unloading of a coal mine underground explosion-proof vehicle, particularly relates to a novel energy accumulator automatic unloading device of the coal mine underground explosion-proof vehicle, and aims at solving the problem that safety production accidents are easily caused by an under-pressure energy accumulator of an existing coal mine underground explosion-proof vehicle. The novel energy accumulator automatic unloading device comprises an oil tank, a working pump, a liquid filling valve, a hydraulically controlled reversing valve and an energy accumulator which are connected in sequence, wherein the hydraulically controlled reversing valve is further communicated with engine oil and the oil tank; an outlet of the energy accumulator is connected with a pressure gauge on a cab instrument panel. With the adoption of the novel energy accumulator automatic unloading device, the accidents caused by the fact that the energy accumulator is under pressure when a worker repairs the vehicle can be effectively prevented; high-pressure oil in the energy accumulator is automatically unloaded back into the oil tank (with the zero pressure) as long as the vehicle is parked and shuts down, so that the personal safety of the repairing worker is ensured; guarantees are provided for safe repairing of the current coal mine underground vehicle, and automatic unloading of the energy accumulator on the explosion-proof vehicle can be realized.

Description

technical field [0001] The invention belongs to the technical field of hydraulic pressure unloading for underground explosion-proof vehicles in coal mines, and in particular relates to a novel energy accumulator automatic unloading device for explosion-proof vehicles in underground coal mines. Background technique [0002] At present, the major coal mining countries in the world have recognized many advantages of trackless auxiliary transportation. The accumulator is an important component in the hydraulic system of the trackless auxiliary transport vehicle. It provides a pressure oil source for the braking system or the steering system, giving priority to braking and steering of the vehicle, thereby ensuring the safety of the vehicle. [0003] Because the accumulator is a pressure vessel, the country has listed it as special equipment, and the manufacturer must have a special equipment manufacturing license to process and produce. The volume of the accumulator used on heav...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B1/02F15B13/02
CPCF15B1/02F15B13/02F15B2201/405
Inventor 马艳卫柳玉龙常凯刘德宁陈利东安四元樊瑞龙仇博赵远
Owner TAIYUAN INST OF CHINA COAL TECH & ENG GROUP
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