The supporting frame work equipment hydraulic excavator on the basis of a wheeled tractor

 

(57) Abstract:

Usage: the excavation and loading operations. The inventive carrier frame includes longitudinal beams, a transverse beam supporting the head with coupling sockets and brackets under the outriggers. The supporting cylinder made of sheet frame, bracket and additional lugs. The frame is bent with the formation of the rear wall and the side cheeks. The latter are at an obtuse angle to the rear wall and welded to the sides of the rear ends of the longitudinal beams. The bracket is located one under the other eye. The basis of the bottom lugs mounted on the supporting ribs transverse beams and welded thereto. The base of the lugs of the bracket supporting heads are located on the inner side of the frame and welded to it, and the vertices are passed through openings in the back wall. To the side edges of the bases of the lugs of the bracket is welded to the vertical plate parallel to the cheeks and welded to them. The basis of the additional lugs mounted on the frame and welded to it. The tops of the lugs posted by coupling socket under the rotary column and rams her control. 6 Il.

The invention relates to machines pred excavators.

Known frame of the working equipment hydraulic excavator on the basis of a wheeled tractor. It contains longitudinal beam elements to attach the frame to the tractor, a transverse beam supporting the head with the stub nests under the rotary column operating equipment and hydraulic drive units of its rotation and welded brackets for hydraulic outriggers [1] . With proper design reliability this frame, first, can not be used under operating equipment, rotary column which is operated by hydraulic cylinders, and, secondly, it contains many details that in the manufacture require fairly accurate operations for bending sheet material.

The aim of the invention is to simplify the technology frame work equipment with its control rotary speakers with the help of hydraulic cylinders.

This is achieved by the fact that in the frame of the working equipment hydraulic excavator containing the longitudinal beam, cross beam, a support cylinder with sleeve slots rotary column and waterworks management, bearing head is made of sheet frame, sognato to the sides of the rear ends of the longitudinal beams, from a bracket having spaced one below the other eye, the basis of the lower of which is mounted on the supporting ribs transverse beams and welded thereto, the base both are located on the inner side of the frame and welded to it, and the vertices are passed through openings in the rear wall, and welded to the side edges of the bases of the lugs vertical plates, which are parallel to the cheeks and welded thereto, and additional lugs, the base being mounted on the frame and welded to it. The tops of the lugs posted by coupling socket under the rotary column and the cylinders of her office.

In Fig.1 shows a frame structure of the working equipment hydraulic excavator, side view; Fig.2 - the same, top view; Fig.3 - support the head support frame, side view; Fig.4 is a top view of Fig.5 - the same, rear view; Fig.6 - section a-a in Fig.3.

The supporting frame work equipment hydraulic excavator contains the longitudinal beams 1 and 2, the transverse beam 3, the anchor head 4 and the bracket 5 and 6 of the hydraulically operated outriggers. Beams 1 and 2 have elements 7 and 8 for mounting the carrier frame mounted on a wheeled tractor. Beam 3 is attached to the inner sides of the rear ends 715, 16 to install the rotary column operating equipment and cylinders its management. The brackets 5 and 6 are attached to the base cylinder 4. On beam 3 cross her fixed supporting ribs 17, 18, 19, which protrude above the upper sides of the beams 3 and the ends 9 and 10 of the beams 1 and 2. To the outer sides of the ends 9 and 10 of the beams 1 and 2 attached vertical sheet sidewall 20 and 21.

Bearing head 4 contains leaf frame 22, the bracket 23 with the plate lugs 24 and 25 and an additional sheet eyelet 26. The frame 22 is bent with the formation of vertically oriented rear wall 27, which is parallel to the beam 3, and the side cheeks 28 and 29, which are arranged at obtuse angles to the wall 27. The lugs 24 and 25 are arranged horizontally one below the other and made curly. The base 30 and 31 of the bottom 24 and top 25 eyelets are located on the inner side of the frame 22 and is attached thereto. Peaks 32 and 33 of the lugs 24 and 25 are passed through the slots 34 and 35 in the wall 27. The bracket 23 in addition to the lugs 24 and 25 includes a vertical plates 36 and 37 which are parallel to the cheeks 28 and 29. The eyelet 26 base 38 secured to the frame 22. On the peaks 32 and 33 of the lugs 24 and 25 are placed spaced apart on either side of the middle vertical plane of the supporting frame storsley on the peaks 32 and 39 of the lugs 24 and 26.

When the Assembly of individual components and the supporting frame as a whole is the following. Beam 3 with their ends welded to the inner sides of the rear ends 7 and 8 of the beams 1 and 2. The supporting ribs 17, 18 and 19 are welded to the beam 3. When assembling the bracket 23 of the plates 36 and 37 are welded upper and lower edges to the side edges of the bases 30 and 31 of the lugs 24 and 25. When assembling the anchor head 4 of the base 30 and 31 of the lugs 24 and 25 of the bracket 23 welded to the frame 22, and the plates 36 and 37 to the inner sides of the cheeks 28 and 29 of their last 22. The base 38 of the lugs 26 is mounted at the upper edge of the frame 22 and is welded thereto. When assembling the frame side cheeks 28 and 29 of the frame 22 supporting the head 4 of the lower parts are welded to the outer sides of the sidewalls 20 and 21 of the rear ends 9 and 10 of the beams 1 and 2. The base 30 of the lugs 24 of the support head 4 is mounted on the supporting ribs 16, 17 and 18 and is welded thereto. The brackets 5 and 6 are welded to the outer sides of the lower parts of the cheeks 28 and 29 of the frame 22 supporting head 4 and to the lower sides of the rear ends 7 and 8 of the beams 1 and 2.

The SUPPORTING FRAME WORK EQUIPMENT HYDRAULIC EXCAVATOR ON the BASIS of a WHEELED TRACTOR, comprising a longitudinal beam elements for mounting the support frame on the tractor, cross the arena to the cross beam and has a coupling socket for installing the rotary column operating equipment and waterworks management, and welded the brackets to install hydraulically operated outriggers, wherein the transverse beam is supplied welded to the supporting ribs, which are located across the beams and the upper edges protrude above it and above the rear ends of the longitudinal beams, the latter are welded to the outer sides of their back ends of the vertical sheet sides that are angled to each other, and the bearing head is made of a vertically positioned sheet frame, curved with the formation of the back wall, which is parallel to the cross beam, and side cheeks, which are arranged at obtuse angles to the rear wall and is welded to the lower parts to the outer sides of the sidewalls of the rear ends of the longitudinal beams, of a bracket having horizontally arranged one under the other lugs in the form of curved plates, the basis of the lower of which is mounted on the supporting ribs transverse beams and welded thereto, the base both are located on the inner side of the frame and welded to it, and the nodes passed through is made in the rear wall of the cut, and welded to the side edges of the bases of the lugs vertical plates, which are parallel to the cheeks of the frame and welded to them in the Arkasa and welded to it, on the tops of both ears of the bracket supporting the head placed spaced apart on either side of the middle vertical plane of the supporting frame stub nests under the cylinders of the steering column, and on top of the bottom and additional eyelets - sleeve jacks under the rotary column, the axes of which are located on the middle vertical plane and the rear of the axes of the stub nests under the cylinders, and brackets under the outriggers are welded to the outer sides of the lower parts of the side cheeks of the frame supporting the head.

 

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