Hydraulic and pneumatic control method and device for car body correcting machine

Hydraulic and pneumatic control method and device for car body correcting machine

  • CN 100,411,764 C
  • Filed: 02/27/2006
  • Issued: 08/20/2008
  • Est. Priority Date: 02/27/2006
  • Status: Active Grant
First Claim
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1. auto body inspection machine fluid pressure and pneumatic control method is characterized in that:

  • adopt a hydraulic pump drive hoist cylinder, king-post oil cylinder, Secondary lift oil cylinder, switch with hand-operated direction valve, differently as required connect with snap joint;

    Wherein, changing method is as follows;

    When platform need rise, hand-operated direction valve is pulled to the lifting platform position, pin remote controller rising switch, platform is slowly steadily vertical to rise, and drags the location supporting leg when moving to needed height, presses the decline switch, platform descends, and drives the location leg to the operating position finger lock;

    When platform need descend, hand-operated direction valve was positioned at the lifting platform position, pressed remote controller rising switch to locating after leg unclamps, and stepped on foot-operated pneumatic operated valve and will locate leg jack-up, pressed the remote controller switch, and platform is slowly steadily fallen;

    When stretching of needs king-post or secondary lifting, hand-operated direction valve is pulled to the king-post stretch position, the king-post or the Secondary lift that will stretch with snap joint are connected on the platform pipeline, press the rising switch, then stretching work begins or Secondary lift lifts, stop then pressurize, press then oil cylinder retraction of decline switch, Secondary lift then descends;

    Wherein, described connected mode is as follows;

    Switch board (1) is connected fluid pressure line by hydraulic tube and arranges on (2), snap joint (3) with snap joint protect box (4), hydraulic pressure connects piece (5) and is fixed together, cylinder (6) is connected on the switch board (1) by tracheae, and oil cylinder (7) is connected on the switch board (1) by hydraulic tube.

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