Electro-hydraulic vibration exciter of concrete pavement rubblizing equipment
A technology of cement pavement and gravelization, which is applied in the direction of mechanical equipment, roads, roads, etc., can solve the problems of small vibration stroke, high cost, and increased speed of eccentric wheel, and achieve high agitation effect, improvement effect, and large motion stroke Effect
Active Publication Date: 2017-06-13
WENZHOU UNIVERSITY
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Problems solved by technology
The problem with this type of transmission vibratory hammer is that the vibration stroke generated by the eccentric wheel is small and the impact force is not large, and because the speed of the eccentric wheel cannot be greatly increased in this structure, it is very difficult to achieve high-frequency vibration and the cost is very high. high
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[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0014] The terms of direction and position mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom" ", "side", etc., are only referring to the direction or position of the drawings. Therefore, the terms used in direction and position are used to illustrate and understand the present invention, but not to limit the protection scope of the present invention.
[0015] Such as Figure 1 to Figure 2 Shown, in the embodiment of the present invention, include hydraulic cylinder 1, piston rod 2, rotary valve 3, hydraulic pump 4, oil tank 5 and relief valve 6, described piston rod 2 is provided with piston 21, and this piston 21 is slidingly arranged in the piston cavity in the hydraulic cylinder 1, ...
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The invention discloses an electro-hydraulic vibration exciter of concrete pavement rubblizing equipment. The electro-hydraulic vibration exciter comprises an hydraulic cylinder, a piston rod, a rotary valve, a hydraulic pump, an oil tank and an overflow valve, wherein a piston is arranged on the piston rod of the hydraulic cylinder, is glidingly arranged in a piston cavity in the hydraulic cylinder and divides the piston cavity into a first piston cavity and a second piston cavity; a gravel hammer is arranged at the driving end of the piston rod; a direction control opening A of the rotary valve is connected with the first piston cavity through supply liquid; the output end of the hydraulic pump is connected with a pressure oil opening P of the rotary valve through supply liquid by a pressure oil passage; an oil return opening T of the rotary valve is connected with the oil tank by return liquid; the pressure oil passage is connected with the second piston cavity through by-pass supply liquid; and a by-pass point of the pressure oil passage is also connected with the overflow valve through supply liquid. When the rotary valve works, the pressure oil opening P and the oil return opening T are alternatively conducted with the direction control opening A, so that the hydraulic cylinder piston is driven to reciprocate in the oil tank. The electro-hydraulic vibration exciter has the advantages that the structure design is reasonable, and high-frequency vibration is easy to realize.
Description
technical field [0001] The invention belongs to the field of road maintenance engineering machinery, and relates to an electro-hydraulic excitation system of cement pavement resonance crushing equipment. Background technique [0002] In the prior art, a vibratory hammer is generally used for the crushing operation of the cement pavement, and the vibratory hammer uses the vibration of the eccentric wheel driven by a motor to impact the crushing operation on the cement pavement. The problem with this type of transmission vibratory hammer is that the vibration stroke generated by the eccentric wheel is small and the impact force is not large, and because the speed of the eccentric wheel cannot be greatly increased in this structure, it is very difficult to achieve high-frequency vibration and the cost is very high. high. Contents of the invention [0003] The technical problem to be solved by the embodiments of the present invention is to provide an electro-hydraulic exciter...
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IPC IPC(8): F15B11/08F15B13/02E01C23/12
CPCE01C23/12F15B11/08F15B13/021
Inventor 任燕汤何胜向家伟钟永腾周余庆
Owner WENZHOU UNIVERSITY