RU1835445C - Crushed stone cleaner - Google Patents

Abstract

Usage: cleaning the ballast of the railway track. SUMMARY OF THE INVENTION: the device comprises a frame 1, milling cutters 9 mounted thereon, and a cleaning member including racks 13 and ripping elements mounted on racks 13 and located between them at different levels. The ripper elements are endless drive chains 20 and 21 that rotate in opposite directions. Scrapers 30 are attached to chains 21. Finger 29 is attached to chains 20. When chains 20 and 21 rotate, crushed stone is intensely loosened; weeds and small fractions of crushed stone fall down, from where scrapers 30 are fed outside the cleaned mass of crushed stone and accumulate in grooves 32 buried by milling cutters 9. 2 zpf-s, 5 silt.

Description

The invention relates to devices for cleaning the ballast layer of a railway track.

The purpose of the invention is to increase the efficiency of the device by improving the quality of cleaning gravel and ensuring the removal of weeds outside the cleaned array of gravel.

Figure 1 shows the gravel cleaner - on the machine, a General view; figure 2 - rubble-cleaning device of this machine, a General view; on .ig.Z - view A in figure 2; in Fig.4 is a view of B in Fig.Z; in Fig.5 is a view In Fig.Z.

The macadam cleaning machine comprises a frame 1 supported by a tractor 2 and track rollers 3. A hydraulic cylinder 4 is mounted on the frame 1 to lift it, the gripper wings 5, a planner 6, a diesel unit 7 and a macadam cleaning device 8. The macadam cleaning device 8 consists of two cutting milling cutters 9 installed in fixing nodes 10 located at the edges of

frames 1 of the machine and equipped with drive systems 11.

Two parallel racks 13 are fastened to the frame 1 of the machine from two sides using hinges 12, interconnected by a beam 14 and rotating around their axes by means of hydraulic cylinders 15, which are attached by hinges 16 to the racks 13. Support rollers 17 are located at the bottom of the racks 13 and, inside the racks, guide pulleys 18 are installed at different levels in the bearing supports 19 to fix the position of chains 20 and 21. Movement of adjacent chains 20 is carried out in different directions due to drive systems 22 and 23, consisting of shafts 24 and 25 installed s in the bearings 26, which are fixedly planted on the traction sprocket 27 and freely rotatable guide pulleys 28. The chains 20 are provided with fingers 29 and chain 21 -skrebkami 30 installed along their entire length.

The machine operates as follows.

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Before starting work with hydraulic cylinders 15, the device 8 is moved from the transport position to the working position until it stops at the corners 31 and chains 20 and 21 are installed. They prepare a place in the rubble and use the hydraulic cylinder 4 to lower the rubble-cleaning device 8. there, setting the necessary depth of loosening. The diesel unit 7 is brought into operation, while the cutting mills 9 begin to rotate through the drive systems 11, and the adjacent chains 20 and 21 under the action of the pulling sprockets 27 begin to make multidirectional movements. The stability of the operation of the chains 20 and 21 is ensured by a group of guide pulleys 28. When the tractor 2 is translationally moving, the gripping wings 5 cut off part of the rubble and guide it in the middle of the path, cutting mills 9 cut channels 32 from two sides of the frame 1, along which racks 13 move, resting on rollers 17 to the bottom of channel 32, and chains 20 with fingers 29, making multidirectional movements, interact with an array of rubble located in the space between racks 13, intensively loosen it, which causes the fine fraction to fall to more low ur the deer, where it, with the help of scrapers 30, mounted on a constantly moving chain 21, is removed outside the cleaned array and accumulates in the channels 32, while a larger fraction of crushed stone remains in the upper part of the ballast mass. Therefore, a cleaning process is observed since the top layer is freed from fines and weeds and restores its drainage properties.

When exposed to chippings with chains 20 with fingers 29, making multidirectional movements in comparison with vibrational loosening, not only complete loosening of the ballast over the entire width between the posts is provided, because any gravel particle located in this space is actively affected by the chains 20 with fingers 29, but also the weed is removed from the cleared space outside the path using the chain 21 with fixed scrapers 30, which significantly increases the cleaning quality of the ballast layer.

Feasibility comparison of rubble-cleaning device compared with

the basic options currently in use allow us to identify a number of advantages of this technical solution. First of all, closed is excluded from the design of the rubble-cleaning device.

a centrifugal mesh, which is a complex, expensive, wear and extremely unreliable element. In the proposed device design, there is no cutting knife, which in existing machines creates an additional considerable resistance force that does not allow to increase the cleaning depth of crushed stone. When replacing a centrifugal cutting knife on existing machines

with a grid on the proposed design of a rubble-cleaning device, the cleaning depth increases by 2-2.5 times and can reach 0.8 m.,

Claims (2)

1. A rubble-cleaning device containing a frame, milling cutters mounted on both sides of the longitudinal plane of symmetry of the device, and a cleaning unit including racks mounted on the frame on both sides of the specified plane of symmetry with milling cutters in the direction of operation of the device, and a cultivator - elements mounted on racks and located between them on different levels in the transverse planes, characterized in that, in order to improve the quality of cleaning gravel and ensure the removal of weeds outside the cleaned mass of gravel, the ripping elements are formed by at least three endless drive chains, on the lower of which scrapers are fixed. 2. The device according to claim 1, with the exception that the fingers are fixed on said chains located above the lower row. H. The device according to claim 1, wherein the said circuits are mounted rotatably in opposite directions. Yu t TT W with 00 C-j . MA Zj /// VI  F - :: P $  n f  26 18 27 28 25 Fig. 5 VI $ and 25