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Empty oil conversion supercharging device

A technology of supercharging device and air-oil, which is applied in the direction of fluid pressure actuating device, fluid pressure converter, servo motor, etc., can solve the problems of large volume, single function, limited space conditions, etc., to reduce friction loss of piston, mechanism Compact, life-enhancing effect

Active Publication Date: 2015-06-17
CRRC QINGDAO SIFANG ROLLING STOCK RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing supercharging device has the problems of large volume and single function. The application environment of rail transit brake products is strict and the space conditions are limited. Moreover, the hydraulic brake device has the functions of parking brake and hand release brake.

Method used

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  • Empty oil conversion supercharging device
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  • Empty oil conversion supercharging device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The air-oil conversion supercharging device of this embodiment includes a wind pressure cylinder, an energy storage cylinder, a piston, a pressure relief device and an oil pressure cylinder 8;

[0039] The air pressure cylinder consists of an airbag outer splint 24, an airbag inner splint 25, an airbag return spring 30 and an airbag 21, the airbag outer splint 24 is fixedly connected with the cylinder head 23, the airbag inner splint 25 is fixedly connected with the piston seat 28, and the airbag outer splint 24 is connected with the cylinder head 23. The splint 25 in the airbag clamps the outer end and the inner end of the airbag 21 respectively; one end of the airbag return spring 30 is connected with the energy storage piston 18, and the other end is connected with the spring seat 26, and the spring seat 26 is sleeved on the piston rod 29 and Located between the retaining ring 27 at the left end of the piston rod 29 and the energy storage piston 18;

[0040] The ener...

Embodiment 2

[0046] The air-oil conversion supercharging device of this embodiment includes a wind pressure cylinder, an energy storage cylinder, a piston, a pressure relief device and an oil pressure cylinder 8;

[0047] The air pressure cylinder consists of an airbag outer splint 24, an airbag inner splint 25, an airbag return spring 30 and an airbag 21, the airbag outer splint 24 is fixedly connected with the cylinder head 23, the airbag inner splint 25 is fixedly connected with the piston seat 28, and the airbag outer splint 24 is connected with the cylinder head 23. The splint 25 in the airbag clamps the outer end and the inner end of the airbag 21 respectively; one end of the airbag return spring 30 is connected with the energy storage piston 18, and the other end is connected with the spring seat 26, and the spring seat 26 is sleeved on the piston rod 29 and Located between the retaining ring 27 at the left end of the piston rod 29 and the energy storage piston 18;

[0048] The ener...

Embodiment 3

[0058] The air-to-oil conversion supercharging device of this embodiment is the same as Embodiment 2 except for the following differences:

[0059] The piston rod 29 is provided with an amplitude disc 16, which is in contact with the stroke display rod 31, and the stroke display rod 31 passes through the guide sleeve 32 to connect with the travel gauge; Stick 31 is connected.

[0060] The pressurization process of the wind pressure cylinder is as follows: the energy storage cylinder 20 is in the state of air filling and relief, and the wind pressure cylinder is charged with air, the piston seat 28 moves under the action of air pressure, and the movement and force are transmitted to the hydraulic piston 6 through the piston rod 29 At this time, the sealing briquetting block 4 presses the one-way valve 5, the one-way valve 5 closes the hydraulic cylinder 8, and the force of the hydraulic piston 6 is finally converted into hydraulic pressure output.

[0061] The working process ...

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Abstract

The invention belongs to the technical field of supercharging equipment, and particularly relates to an empty oil conversion supercharging device with manual pressure relief. The empty oil conversion supercharging device comprises an air pressure cylinder assembly, an energy storage cylinder assembly, a piston assembly, a pressure relief device and an oil hydraulic cylinder. An outer air bag clamping plate is fixedly connected with a cylinder cover. An inner air bag clamping plate is fixedly connected with a piston base, and the air bag clamping plates clamp air bags. The energy storage cylinder assembly comprises an energy storage cylinder, an energy storage piston and energy storage springs. The energy storage piston is connected to a piston rod in a sleeving mode and located on the left side of a piston rod shoulder. The energy storage springs are connected with the energy storage piston and the energy storage cylinder respectively. The piston base is connected with the piston rod. The right end of the piston rod, a sealing pressing block and a hydraulic piston are connected through connection pins. The sealing pressing block is located between the right end of the piston rod and the hydraulic piston. A one-way valve is arranged in an inner hole of the hydraulic piston. The air bags roll, the friction loss of the air cylinder piston is lowered, and the service life is prolonged. The spring energy storage functions are achieved, and pressure output can be provided under the windless state. The manual pressure relief device is arranged, manual pressure relief is achieved, and pressure is relieved.

Description

technical field [0001] The invention belongs to the technical field of supercharging equipment, and in particular relates to an air-oil conversion supercharging device with manual pressure relief, which is pressurized by a wind pressure cylinder in a windy state and by an energy storage spring in a windless state. . Background technique [0002] The supercharging device is a device that can achieve high pressure output of the hydraulic cylinder by using ordinary air pressure. The supercharging device is an integrated combination of the hydraulic cylinder and the supercharger, and works by using the ratio of the pressure cross-sectional area of ​​the supercharger to different sizes and the principle of Pascal energy balance. Because the pressure remains the same, when the pressure area changes from large to small, the pressure will also change with the size, so as to achieve the pressure effect of increasing the air pressure by dozens of times. At present, the supercharging...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B3/00
CPCF15B1/02F15B3/00F15B11/072F15B2211/528
Inventor 黄建松张昕张鹤璞张方亮
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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