SU1682490A1 - Earth-moving machine - Google Patents

Abstract

The invention relates to single bucket excavators. The goal is to increase maneuverability and stability when working on the ground with insufficient bearing capacity. The machine has mounted on a rotary platform 2 cassettes with removable screw supports (BO) 9 Platform 2 has a mechanism for grabbing BO 9 from cassettes, transferring them and screwing it into the base in front of the supporting surfaces of the chassis 1 of the excavator. This mechanism is made of a rotating frame, on which a vertically located hydraulic cylinder 17 is fixed. The rod of the hydraulic cylinder 17 is connected to a non-circular section post 19, which passes through the frame 15 and is connected to the mechanism housing 10, rotating 9, Inside the gear there is a driven gear with an axial bore and the lead-in cone in which the grip is mounted to fix the head of the VO 9 When working from the cassette the VO 9 are removed using the grip mechanism 10, transferred to the areas of the bearing surfaces of the excavator 1 chassis and screwed into the ground to the level of the day surface. The excavator moves to BO 9 and develops the soil. After partial exposure, BO 9 is relocated in front of the excavator using a turntable with the specified mechanisms 2 of 3 f files, 6 sludge.

Description

The invention relates to earth moving machinery, namely to single-bucket excavators.

The purpose of the invention is improving the permeability and steady gi when working on the basis of insufficient bearing capacity.

Figure 1 shows a machine view of a juice; Fig. 2 is a view A in Fig. 1, and Fig. 3 is a schematic view of the arrangement of the screws of the supports in a side view, in Fig. 4 - a screw support view from the side, in Figs and - a zipper mechanism. Pe transfer and CRC or screw supports MC of FIG ( pj.ipes SR in FIG.

The earth-moving machine includes tracked support equipment 1, a turntable 2, working equipment 3, a main 4 and an additional 5 control cabs, a power unit 6. On the belt 7, cassettes 8 are hingedly positioned to position the depth supports 9 in the form of screw piles (turning drive and the position fixing of the cassette is not shown) For gripping, transferring and screwing in the depth supports, a device 10 is hingedly mounted on the main frame of the machine.

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The deep (screw) support 9 consists of a cylindrical rod 11 (figure 4) with a tip 12 of rectangular cross section and a support tape 13 located along a helical line.

The device for gripping, transferring and screwing in the deep supports 10 (Figures 5 and 6) consists of a rotary support 14 with a frame 15 on which a support 16 for a hinged installation of the hydraulic cylinder 17 is rigidly fixed. The support 14 is rotated by a chain 18. The guide support 19 is of rectangular cross section passes through the hole of the corresponding section in the frame 15 and is fastened on one side to the rod of the hydraulic cylinder 17, and on the other to the screwdriver housing 20. The screwing device contains a pinion gear 21, rotated by the hydraulic motor 22, located on the housing 20, and the driven gear 23. The hub 24 of the gear 23 has a central opening 25 of rectangular cross section with an expanded lead-in part to ensure unimpeded approach of the tip 12 of the depth support 9. In the broadened part of the hub there is a hydraulic grip 26 to hold the depth support when it rises and moving. On the housing 20 are vibrators 27 and a counterweight 28, balancing the weight of the hydraulic motor 22 and gear 21.

The earthmoving machine works as follows.

The device 10 for gripping, skewing and screwing the depth supports 9 is rotated from position I to position II (FIG. 2), is positioned above the tip 12 of the depth support 9 installed in the cassette 8, lowered it up to the entrance of the tip 12 into the broadened entry portion of the central hole 25 hub 24 driven gear 23.

Then, the depth support 9 is clamped with the grip 26, it is withdrawn from the cassette 3 and the device 10 is turned into the position of the depth support screwing (along the axis of movement of the crawler truck).

The vibrator motors 27 are turned on and the gear 22 motor 22 and 23 are turned on. With the help of the force action of the hydraulic cylinder 17 of rotation and vibration, the depth bearing is submerged to the required level to the level of the day surface. After that, the grip 26 is turned off, the device W is raised by the hydraulic cylinder 17 through the guide post 19. Then the device 10 is turned in the opposite direction and the indicated operations are repeated. After that, the machine is promoted.

half the length of the tracked cart, rotate the cassette 8 by one position and repeat the work on installing the next pair of depth supports 9, advancing the digging machine half the length of the tracked cart. Having thus prepared the pile foundation, proceed to the excavation of the material.

0 When developing a bottom element, select material on the side of the abutments and, when they are partially released, the earthmoving machine is turned by the device 10 towards the bottom side. Then lower it so that

The 5 heads of the deep bearing 9 entered the central hole 25 of the hub 24, include a hydraulic catch 26, hydraulic motors of the vibrators 27 and a hydraulic motor 22 of the gears 21 and 23, which must rotate in the opposite direction (to unscrew the deep bearing),

Using the hydraulic cylinder 17, the depth support is raised, the earthmoving machine is turned in the opposite direction.

5 side, install the support (screw pile) in the design position and immerse to the desired mark. Then, in the same way, they take the adjacent deep support and place it in front of the ground machine.

After this, the earthmoving machine is advanced.

Claims (3)

1. Earth-moving machine, including a rotary platform mounted on the chassis with working equipment and a drive, characterized in that, in order to increase maneuverability and stability when operating on the basis of insufficient bearing capacity, cassettes with removable ones mounted on the rotary platform screw supports and a mechanism for gripping screw supports from cassette holders, their transfer and 5 screwing into the base in front of the bearing surfaces of the part. 2. The machine according to claim 1, characterized in that the mechanism for gripping the screw supports from the cassette holders, their tilting and screwing in 0, the base is made of a housing and a swing frame, on which a vertically positioned hydraulic cylinder is fixed, the stem of which is connected by means of a non-circular section passing through the frame with a barrel. 3. Machine according to claims 1 and 2, characterized in that the casing has a driven gear located therein with an axial bore and a lead-in cone mounted in the cone hydraulic grip, located with a potential of 56824906 with the possibility of fixing the tip, a screw-and-turn drive, kinematically connected support, and mounted on the case is real with a driven gear, and a vibrator. 17 dida eight YU FIG. 2 OPIT} W && No.  Nw X i.jz ± 3 fe.5 20 27 27 $ Ig.V