Variable flywheel-based energy-saving hydraulic vibration system and working mode thereof
A technology of hydraulic vibration and working mode, which is applied in the direction of fluid pressure actuation system components, fluid pressure actuation devices, mechanical equipment, etc., and can solve problems such as high energy consumption
Active Publication Date: 2012-11-28
淮安市清江浦区市场监管综合服务中心
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[0004] Aiming at the shortcomings of high energy consumption of the existing hydraulic vibration system, the present invention proposes a new method of generating pulsating flow by means of a variable flywheel, and then driving the hydraulic cylinder to generate vibration
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[0035] System composition: such as Figure 6 , the motor 21 is coaxially connected to the variable flywheel 37 through the hydraulic coupling 22, the variable flywheel 37 is connected to the hydraulic pump / motor 24 through the elastic coupling 23, and the hydraulic pump / motor 24 is connected to the hydraulic cylinder 28 through the high-frequency hydraulic rotary valve 27 Connected into a closed hydraulic circuit. The electromagnetic reversing valve 29, the shuttle valve 25 are connected in parallel with the hydraulic pump / motor 24, the oil inlet of the overflow valve 31 is connected to the shuttle valve 25, and the oil outlet is connected to the fuel tank. The two one-way valves 26 are connected in parallel with the hydraulic pump / motor 24 after they are reversely connected in series, and their joints are connected to a low-pressure oil source.
[0036] The two plunger-type cylinders 3 of the above-mentioned variable flywheel 37 are respectively connected to the A and B port...
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The invention relates to a variable flywheel-based energy-saving hydraulic vibration system, and belongs to the technical field of hydraulic vibration. According to the hydraulic vibration system, a motor (21) and a variable flywheel (37) are connected coaxially through a hydraulic coupling (22); the variable flywheel (37) is connected with a hydraulic pump / motor (24); and the hydraulic pump / motor (24) is connected with a hydraulic cylinder through a hydraulic valve. The rotational inertia of the variable flywheel (37) can be changed quickly, so that the constant rotating speed input by the motor can be changed into a pulsating rotating speed for output. The hydraulic pump is driven by the variable flywheel to generate a pulsating flow; the pulsating flow is switched and throttled by the hydraulic valve to generate alternating-current pressure oil; and the alternating-current pressure oil is introduced into the hydraulic cylinder to drive a vibration body to vibrate. The variable flywheel-based energy-saving hydraulic vibration system has the characteristics that most energy in the vibration flows circularly between the flywheel and the vibration body, and real power consumption is avoided, so that energy is saved.
Description
technical field [0001] The invention relates to an energy-saving hydraulic vibration system based on a variable variable flywheel and its working method, belonging to the technical field of hydraulic vibration. Background technique [0002] Vibration technology is a basic technology widely used in various industrial fields. Vibration methods mainly include three categories: mechanical, electric and hydraulic. Mechanical and electric excitation are more suitable for small and medium power, and hydraulic excitation is suitable for high power. The outstanding advantage of hydraulic excitation is that it can generate large excitation force and displacement amplitude. The excitation force of a large hydraulic vibration table can reach tens of tons, and the displacement amplitude in the low frequency range can reach tens of centimeters, which just makes up for the mechanical vibration. And the lack of electric excitation. However, the existing hydraulic vibration excitation sys...
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IPC IPC(8): F15B21/12
Inventor 吕云嵩
Owner 淮安市清江浦区市场监管综合服务中心