RU29065U1 - Track car - Google Patents

Description

2002128857

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МГЖ E 01 at 27/00, E 01 at 27/12

Track car

The utility model relates to devices for the construction and repair of railway tracks.

The track machine is designed to carry out track work on straightening the track grate in plan and profile while tamping the ballast under the sleepers, cleaning the rail-sleeper grate from excess ballast or other technological operations during the construction of new railway lines, second tracks and repair of the railway track gauge 1520 and 1435 mm, with rail-sleeper grid on wooden and reinforced concrete sleepers with all types of rails and all types of ballast.

Also, the track machine can perform other technological operations in the construction, repair of railway tracks.

A track machine is known that contains a self-propelled chassis on which a straightening and tamping block with vibratory pulsators is located (Russian patent 2043449 C1, ЕВВ 27/16, 05/05/1992).

A disadvantage of the known device is the design complexity due to the fact that the vibrator is mounted on each working body, as well as large overall dimensions and low mobility.

a tamping block, including a hammer and a vibrator associated with the drive (USSR copyright certificate 1317054 A1, ЕВВ 27/16, 06/15/1987).

A disadvantage of the known device is that the vibrator does not have the ability to change the amplitude and / or frequency of oscillations, which reduces the degree of compaction of the ballast.

The objective of the claimed utility model is the creation of a track machine having high efficiency ballast compaction of various kinds.

The technical result of the claimed utility model is to increase the efficiency of ballast compaction.

The essence of the claimed utility model lies in the fact that in the track machine containing a self-propelled chassis, on the suspension of which a straightening and tamping unit is located with the drive in the vertical plane, including a tamping block and a vibrator connected to the drive, the vibrator is configured to control the amplitude and / or vibration frequency depending on the type of ballast.

The drive for moving the lining can be made in the form of a compression hydraulic cylinder, the vibrator is made of directional action and is mounted on the housing of the hydraulic shutter.

In FIG. 1 shows a track machine, overall view, with the working position of the grafting and tamping block; in FIG. 2 - track machine, view from the side of the straightening and tamping block; in FIG. 3 - tamping device, in FIG. 4 is the same side view.

Mi MKl1 with railway wheels, mounted working bodies, for example straightening and tamping block 2 and cleaning unit 3, and with a hydraulic drive of all mechanisms.

Replaceable equipment can also be installed on the chassis 1, for example, a lifting-leveling unit, a unit for changing sleepers, and others.

Self-propelled chassis 1 (Fig. 1) consists of a frame 4, supported by two pairs of wheels 5 and 6 spaced apart in its longitudinal direction, a cab 7 is mounted in the front of the frame, and an engine and power unit 8 are installed in the middle of the frame. On the front and the rear parts of the frame 4 are mounted respectively front 9 and rear 10 devices for hanging removable working bodies.

Frame 4 is a rigid structure.

To move the machine along the railway track, wheel sets are designed, respectively, front 5 and rear 6 wheel sets, which are driven and equipped with brakes 11.

Sewing unit 2 is mounted on the front device for hitching the working bodies and is designed to straighten the rail-sleeper grid in plan and profile and to knock ballast under the sleepers in the rail area

The straightening and tamping block (Fig. 2) contains a central beam 12 and an upper beam1 13. Inside the central beam, there are retractable beams 14 and 15, at the ends of which lifting mechanisms 16 are installed.

Rail clamps 17, track rollers 18, hydraulic cylinders of the pull-out beam 19. Mounted on the central beam are the central beam 12 and the upper beam 13 are connected by guides 20 on which the knockout blocks 21 and 22 are mounted. The upper and central beams are equipped with bracket for mounting the straightening and tamping knife block on the front link of the self-propelled chassis. On the upper beam mounted hydraulic cylinders 23 recesses

blocks.

The tamping block (Figs. 3 and 4) is designed to seal the ballast under the lower bed of the sleepers. The tamping block 21 contains a directional vibrator 24 fixed to the shaft housing of the hydraulic cylinder 25 for compressing the ballast. The hydraulic cylinder 25 is pivotally connected by eyes to the upper arms of the housings 26 and 27. The housings in the middle part have bearing units, the axes of which connect the frames 28 and 29 to each other. For mounting the tamping block on the guides of the straightening and tamping block, there are sleeves with bushings on the frames 28 and 29 and eyes for connecting to the eyes of the deepening hydraulic cylinders. The vibrator is driven by the engine 30. Four blocks 31 are installed in the cases 26 and 27. To synchronize the position of the blocks 31, the unit is equipped with a synchronizer 32.

The machine operates as follows.

When performing work on straightening the rail-sleeper lattice with tamping ballast under the lower bed, the flat or tamping block without tucking straightened out and straightened the tamping block from the transport position to the working one. After the end of the operation to embed the track grid in the plan and profile, the directional vibrator 24 is turned on, which causes it to oscillate with a certain perturbation; the compression cylinder 25 has the force, amplitude and frequency of it. М Engraving of the vibrational movement along the axis of the hydraulic axis 25. Through the eyes of the hydraulic shaft and the rods of the hulls 26 and 27, the vibrational movement is transmitted to the ends of the pads 31. With the help of the hydraulic cylinders 23, the tamping blocks are lowered along the guiding lines 20 and the pockets with a certain frequency and amplitude of vibration are buried. When the hydraulic cylinder 25 is turned on, the ballast is compressed to a certain degree of compaction, after which the strikers are simultaneously unclenched and the knockout blocks are raised; they are returned to their initial position. Depending on the type of ballast, a certain amplitude and frequency of oscillations are set.

The knockout blocks are of a simple design, reliable in operation and easy to maintain.

Claims (2)

1. Track machine, containing a self-propelled chassis, on the suspension of which a straightening and tamping block is arranged with the drive moving in a vertical plane, including a hammer and a vibrator associated with the drive, characterized in that the vibrator is configured to control the amplitude and / or frequency fluctuations. 2. The machine according to claim 1, characterized in that the drives move the lining made in the form of compression cylinders, and the vibrators are made directional and installed on the bodies of the compression cylinders.