Adjustable gas-liquid gravity balancing device
A gravity-balanced and adjustable technology, applied in fluid pressure actuation devices, fluid pressure actuation system components, mechanical equipment, etc., can solve problems such as the inability to automatically adjust the output force
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Embodiment 1
[0036] One of the specific implementations of an adjustable gas-liquid gravity balance device of the present invention, such as Figure 4 and Figure 5 As shown, it includes a piston type hydraulic cylinder 1, an air storage liquid cylinder 2 and an oil pipe 4 for communicating with the piston type hydraulic cylinder 1 and the air storage liquid cylinder 2, the upper part of the air storage liquid cylinder 2 is filled with gas 21, and the gas storage liquid The bottom of the cylinder 2 is filled with liquid 22, and the above-mentioned technical features are the same as the structure of the gas-liquid gravity balance device in the prior art. In addition, as a person of ordinary skill in the art, he should have a clear understanding of the basic common sense that the piston hydraulic cylinder 1 includes components such as the piston 11 and the piston rod.
[0037] The improvement of the present invention is that: the oil pipe 4 between the piston hydraulic cylinder 1 and the ga...
Embodiment 2
[0042] The second embodiment of an adjustable gas-liquid gravity balance device of the present invention is as follows: Figure 4 to Figure 7 As shown, the main technical solutions of this embodiment are the same as those of Embodiment 1, and the features not explained in this embodiment are explained in Embodiment 1, and will not be repeated here. The difference between this embodiment and Embodiment 1 is that the pressure regulating device 3 may include a driving mechanism, a belt transmission mechanism and a pressure regulating cylinder 36, and the belt transmission mechanism includes a driving wheel 32, a driven wheel 34, and is wound around the driving wheel 32 and the pressure regulating cylinder 36. The drive belt 33 of the driven wheel 34, the pressure regulating cylinder 36 is provided with a pressure regulating piston 37, one side of the pressure regulating piston 37 is provided with a screw rod 35, the drive shaft of the driving mechanism is connected with the drivin...
Embodiment 3
[0048] The third embodiment of an adjustable gas-liquid gravity balance device of the present invention is as follows: Figure 8As shown, the main technical solutions of this embodiment are the same as those of Embodiment 2, and the features not explained in this embodiment are explained in Embodiment 2, and will not be repeated here. The difference between this embodiment and Embodiment 2 is that: the oil pipe 4 between the piston hydraulic cylinder 1 and the pressure regulating cylinder 36 is provided with a limit valve 5 .
[0049] Specifically, the input end of the limit valve 5 communicates with the infusion end provided at the lower part of the piston hydraulic cylinder 1 through the oil pipe 4 , and the output end of the limit valve 5 communicates with the first infusion end provided at the lower part of the pressure regulating cylinder 36 .
[0050] Specifically, the limit valve 5 is a cut-off valve.
[0051] Working principle: When the valve controlling the limit val...
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