Hydraulic control distribution baffle plate valve and hydraulic system having distribution baffle plate and valve
A metering and hydraulic technology, applied in the field of hydraulically controlled metering baffle valves and hydraulic systems with metering baffles and valves, can solve discomfort and other problems and achieve the effect of stable longitudinal guidance
Active Publication Date: 2015-02-11
ROBERT BOSCH GMBH
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
Response delays in the range of a few tenths of a second are particularly uncomfortable for the operator of a hydraulically driven machine
Method used
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Embodiment Construction
[0041] The basic structure of the valve 2 according to the invention and its mode of function, for example in cooperation with a metering flap embodied in the form of a control slide, is explained with reference to FIGS. 1 to 4 . exist Figure 1A The control slide valve 100 shown as an example for a metering flap comprises a housing 102 with a housing interior 104 and a slide axis 108, the control slide valve also includes a The control slide 106 and a control slide spring element 118 are arranged linearly displaceable in the longitudinal bore 148 of the housing interior 104 in the direction of the slide axis 108 . The control slide 106 delimits a control pressure chamber 110 in the housing interior 104 by means of its slide pressure surface 112 and can be prepositioned in a blocking position by means of the control slide spring element 118 . The block spring element is shown in this blocked position in FIG. 1 . The control slide spring element 118 is arranged with respect to...
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The invention discloses a valve having a valve shell with an inner chamber axially extending and a squeezing device. The squeezing device can axially move along a stroke path in the inner chamber and is divided into a first pressure chamber and a second pressure chamber; the squeezing device is further provided with a throttling device; by the use of the throttling device the first and second pressure chambers can be connected to the pressure medium; the throttling device is configured in a way that pressure medium exchange can be only conducted between the first and second pressure chambers only via the throttling device at least in one stroke direction of the squeezing device and on the whole stroke path of the squeezing device; the invention further discloses a hydraulic system possessing a distribution baffle plate with hydraulic adjustments. The distribution baffle plate is provided with a stopping position and a first cross flow position as well as a shell, wherein the shell is equipped with a shell inner chamber and a control slide block in the shell inner chamber to hydraulically adjust; the control slide block is disposed in the shell inner chamber to limit a control pressure chamber; the hydraulic system is further provided with a valve; and the first or second pressure chambers of the valve can be connected with the pressure medium of the control pressure chamber.
Description
technical field [0001] The invention relates to a valve according to the preamble of claim 1 . Such a valve can be used to hydraulically actuate the adjustment movement of a control slide of a hydraulically adjustable metering flap. The invention also relates to a hydraulic system with a metering flap and a valve, wherein the metering flap has a hydraulically adjustable control slide, the valve serves to actuate the adjustment movement of the control slide, The invention also relates to a defined coupling of the metering flap to one or two such valves. Background technique [0002] The use of a metering flap here means a hydraulically actuatable control valve for regulating a flow of pressure medium for a hydraulic consumer. Such a metering flap comprises a housing with a housing interior and a hydraulically adjustable control slide arranged in the housing interior, which can have a prepositionable stop position and at least one first through-flow position in which an ope...
Claims
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IPC IPC(8): F15B13/042F16K31/12
CPCF15B13/042F16K31/12F15B11/0413F15B13/0426F15B2211/405F15B2211/40515F15B2211/40584F15B2211/428F15B2211/355F15B2211/6355
Inventor S.特拉佩T.魏克特
Owner ROBERT BOSCH GMBH