Pressure control air sac type clearance stepless regulation executing mechanism and method
A technology of stepless adjustment and pressure control, applied in pump control, liquid variable capacity machinery, mechanical equipment, etc., can solve the problems of complex and bulky driving mechanism, and achieve the effect of improving isothermal efficiency, fast response speed and simple structure
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Embodiment 1
[0046] Such as Figure 1-Figure 3 As shown in , a pressure control air bag type clearance stepless adjustment actuator, including:
[0047] Shell 2;
[0048] Air bag assembly 3, described air bag assembly is arranged in housing 2, and the housing inner chamber 2-2 of housing 2 and the outer surface of air bag assembly 3 form clearance volume chamber 4; Because housing inner chamber 2-2 volume is fixed value, Changing the volume of the airbag can change the clearance volume; the interior of the airbag module 3 is inflated, and the volume changes with the inflation pressure, and the maximum volume is limited by the shell;
[0049] The airbag is generally made of vulcanized rubber and fiber reinforced layer, which has high compressive strength, elasticity and air tightness.
[0050] A gas control system 1, the gas control system 1 is used to control the pressure of the pre-inflated gas inside the airbag assembly 3, realize the online inflation and deflation of the airbag 3, and...
Embodiment 2
[0059] Such as Figure 4-Figure 5 As shown in , on the basis of Embodiment 1, the housing 2 in this embodiment can be connected with a cooling unit to dissipate heat as required. The cooling unit includes a jacket 5-3 and / or fins arranged on the cylinder 2-3 and / or the head 2-5, and the jacket 5-3 is provided with a cooling water inlet 5-1 and a cooling water inlet 5-1. Exit 5-2. Circulating cooling water enters through the cooling water inlet 5-1 and flows out through the cooling water outlet 5-2. Controlling the flow of cooling water cools the housing of the actuator, which can reduce the average temperature of the airbag and improve the isothermal efficiency of the compressor.
Embodiment 3
[0061] Such as Figure 6 As shown in, on the basis of Embodiment 1, the gas control system described in this embodiment includes:
[0062] A main pipeline communicating with the inside of the airbag assembly 3, the main pipeline is provided with an airbag shut-off valve 1-6 and a pressure sensor 1-4;
[0063] An inflation pipeline and a deflation pipeline respectively communicated with the main pipeline. The inflation pipeline is provided with an inflation valve 1-1 and an inflation check valve 1-3. The inflation valve 1-1 and the inflation check valve 1-3 are respectively arranged on the The upstream and downstream positions of the air flow direction, the air release pipeline is provided with an air release valve 1-7 and an air release check valve 1-9, and the air release valve 1-7 and the air release check valve 1-9 are respectively located upstream and downstream of the air flow direction Location.
[0064] When the airbag 3 needs to be inflated, the pre-inflated gas medi...
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