SU1649273A1 - Device for determining position of working member of planing machine - Google Patents

Abstract

The invention relates to a road building technique with planning equipment for forming soil surfaces with a cross slope. The aim of the invention is to enhance the functionality by simultaneously determining lateral tilt. The device uses two hydrostatic systems. The supporting heads 2,3 with the reference scale 4 are installed in the cab of the car near the longitudinal axis. They are connected by flexible tubes 10, 11c with measuring heads 8, 9 mounted on the edges of the working body 5 symmetrically with respect to the longitudinal axis. The position of the fluid in the support heads determines the lateral tilt of the working body 5 and its position relative to the base machine 12, which allows the operator to cut the soil and dump it at a given angle. 11 il.

Description

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The invention relates to road building machinery with leveling equipment for forming soil and similar surfaces with a transverse inclination.

The aim of the invention is to enhance the functionality by simultaneously determining the lateral inclination.

FIG. 1 shows the location of the device on the scraper; in fig. 2 - the same, top view; in fig. 3 - the location of the device on the bulldozer; in fig. 4 - the same, top view; in fig. 5 is a layout diagram when digging with a bucket without lateral inclination; in fig. 6 - the same, with the tilt of the bucket to the left; in fig. 7 - the same, when tilting the entire machine to the left; in fig. 8 - supporting heads and counting on a scale without lateral inclination of the working body or the whole machine; Fig, 9 - the same, when the working body is lowered; Fig, 10 - the same, with the transverse tilt of the working body and the horizontal position of the machine; in fig. 11 - the same, with an inclined position of the working body and the whole machine.

In the drawings, the symbols are denoted: h — chip thickness; H - the height of the layer of dumping; y is the transverse slope of the surface formed or passed by the machine.

The device contains mounted heads 2 and 3 in the cab 1 with a reading scale 4 and mounted on a working device 5, kinematically connected with working equipment 6 with a knife 7 that can be tilted sideways, measuring heads 8 and 9, which are connected to supporting heads 2 and 3 flexible tubes 10 and 11. Measuring heads 8 and 9 are installed along the edges of the working body 5 symmetrically to the longitudinal axis, and supporting heads 2 and 3 are located near the longitudinal axis of the base machine 12. Supporting heads 2 and 3 with tubes 10 and 11 and measuring heads 8 and 9, Comm In a similar way (see Figs. 2 and 4), the two are hydrostatic systems, each of which is flooded with liquid 13, which is a sensitive element of the system. The base machine 12 can be any wheeled or tracked chassis, the working body 5 - bucket, blade and other equipment of road construction machines. Both hydrostatic systems are attached to the machine (mount, not shown). Also not shown are the fill and drain. plugs, structural elements of fastening the heads and exhaust pipes to the atmosphere. The device operates as follows.

With the transport position of the machine 12, the measuring heads 8 and 9 are raised

together with the working body 5, in view of which the liquid 13 in the support heads 2 and 3 occupies the highest position and is on the same, defined by the dressing,

level (Fig. 1 and 8), if the machine 12 does not have a transverse tilt, or at different (Fig. 7 and 11), if the machine 12 is tilted. This allows the operator to judge the lateral tilt of the machine 12. When digging

bucket 6 is lowered, working body 5 and measuring heads 8 and 9 are lowered with it, which determines the low position of fluid 13 in support heads 2 and 3. The same liquid level (Fig. 9} indicates the absence of lateral tilt of working body 5, and different (Fig. 10) - on the magnitude and direction of the transverse tilt of the working body 5. The impact on the hydraulic system of the machine, the operator

can achieve the required inclination of the working body of the machine 12. The device can be equipped with means of sound and light signaling of the maximum allowable inclination of the machine, as well as

its automatic stop based on the use of photocells, and in the heads of floats, triggered at the maximum allowable distance of razdzizhek floats, determined by the expansion of the following photovoltaic cells.

Claims (1)

Invention Formula A device for determining the position of the working body of a leveling machine, comprising a first hydrostatic system with a measuring and supporting head configured to installation on the working body and the machine, respectively, the second hydrostatic system with measuring and supporting heads, the last of which is made with the possibility of installation on the machine symmetrically supporting the head of the first hydrostatic system relative to the longitudinal axis, and the reference scale, characterized in that, in order to extend the functionality by simultaneously determining the lateral tilt, the measuring head of the second hydrostatic system is configured to install on the working body symmetrically the measuring head of the first hydrostatic system relative to the longitudinal and the reference scale is located on the longitudinal axis between the support heads, the distance between which Draw less distance between measuring heads. t g-cm about se V- gz go / C-J gsj eight g ten I Ll eleven FIG. 6 from r0 about f WITH I 13 fae. ten FIG. 11