JPS6011123Y2 - Double rotary brush device for ballast sweeper - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dual rotary brush device for a palast sweeper that cleans the ballast on the upper surface of the sleepers and smoothes unevenness of the ballast between the sleepers after tamping work on railway tracks.

Fig. 1 is a side view of a conventional ballast sweeper, and Fig. 2 is a front view of a single-type ballast sweeper rotating brush device (hereinafter abbreviated as the rotating brush device) when Fig. 1 is viewed from the direction of arrow A. It is something.

The conventional parasto sweeper 1 has only a single rotating brush device 3, and travels on rails 2, 2' by itself or is towed by a track maintenance machine such as a track motor car or a track straightener, and arrives at the work site. Then, the rotary brush device 3 is lowered by a hydraulic cylinder 4 or a chain block (not shown) to a working position, that is, a position where the tips of the brushes 16 contact the upper surface of the sleepers 14, and the engine 6 attached to the frame 5 is lowered. Power is transmitted to the rotating shaft 12 of the rotating brush device 3 via the clutch 7, reducer 8, sprocket wheel 9, roller chain 10, and sprocket wheel 11.

The rotating shaft 12 has a length corresponding to the entire length of the sleeper 14, excluding a portion corresponding to the head of each rail 2, 2'.
Brush shafts 13 protruding alternately in a letter shape outwardly on both sides are fixed at regular intervals so as to form a cross shape when viewed from the side, and a brush 16 made of cloth-filled rubber hose is attached to the brush shafts 13 with clamps 15. It will be done.

When the rotating shaft 12 rotates, the brush 16 moves in the direction of arrow 1 in FIG.
7, the tip of the brush 16 forms a continuous cylindrical surface, and arrows 18 indicate ballast left on the upper surface of the sleeper 14 due to crimping work, etc., and ballast raised above the upper surface of the sleeper between the sleepers. The ballast is blown away in the direction of movement of the ballast sweeper 1, and the ballast that is blown away is brush cover 1.
A device that cleans the ballast on the upper surface of the sleepers one after another and smooths out unevenness in the ballast between the sleepers by hitting the front board, side board, etc. lined with rubber plates, etc., and falling onto the track bed. It is.

However, the rotating brush device 3 of the conventional palast sweeper 1
is the brush shaft 13 fixed to the rotating shaft 12 as described above.
Since the brush 16 is attached with a clamp 15 to
In places where the guardrail 20 etc. are installed inside the rail 2', the brush 16 of the rotary brush device 3 close to the rail 2' interferes with the guardrail 20 etc., and the brush 16 cannot rotate, and in some cases, the brush 16 or Brush shaft 13
breaks.

Therefore, in such a place, it is not possible to clean and straighten the ballast using the palast sweeper 1, so after lifting the rotary brush device 3 with a hydraulic cylinder 4 or chain block, etc. and passing it through the palast sweeper 1, manual Since the ballast must be cleaned and adjusted at the same time, the work is time consuming and the work efficiency is reduced.

In view of the above points, the present invention has been developed by switching between two sets of rotating brush devices with different structures depending on the track conditions, regardless of whether there is a guardrail or the like between the track axes. To provide a multiple rotary brush device for a ballast sweeper (hereinafter abbreviated as a multiple rotary brush device) capable of cleaning ballast on the upper surface of sleepers and adjusting irregularities of ballast between sleepers without interfering with guardrails or the like. It is something to do.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 3 is a side view of an embodiment of the dual rotating brush device of the present invention, FIG. 4 is a front view of the front rotating brush device as seen from the direction of arrow B in FIG. 3, and FIG. A front view of the rear rotary brush device seen from the direction of arrow C, FIG. 6 is a cross-sectional view taken along line DD in FIG. 3, FIG. 7 is a cross-sectional view taken along line E-E in FIG. 5, and FIG. The FF sectional view and FIG. 9 are side views showing the working state of the dual rotary brush device of the present invention.

The same numbers in FIGS. 1 to 9 indicate the same members.

In FIG. 3, the dual rotary brush device 21 of the present invention is
Front rotating brush device 22, rear rotating brush device 23, brush cover 24, switching hydraulic cylinder 25, fixed shaft 26
and a power unit 27.

The front rotary brush device 22 is provided forward of the rear rotary brush device 23 with respect to the forward direction arrow 62 of the palast sweeper 29, and its structure is similar to that of the conventional rotary brush device of the palast sweeper 1, as shown in FIG. 3 (See Figure 2)
In substantially the same way, the front rotating shaft 12' is supported at both ends by the brush cover 24 via bearings 63 and 64.

As shown in FIG. 5, the rear rotary brush device 23 is connected to a rear rotary shaft 30 so that it rotates integrally with the rear rotary shaft 30 and can move longitudinally on the rear rotary shaft 30. Slide shafts 31, 31' connected by feather keys 32, 32', brush shafts 33, 34 fixed in the longitudinal direction at regular intervals by welding or the like to the rear rotating shaft 30 and slide shafts 31, 31', respectively. , a brush 16 attached to this brush shaft 33, 34 by a clamp 15, and an operating lever 41, 41'.

The rear rotating shaft 30 is supported at both ends by the brush cover 24 via bearings 35 and 36, and power is transmitted from the power unit 27 via a sprocket wheel 37, a roller chain 38, and a sprocket wheel 39.

In addition, the rear rotation shaft 30 and slide shafts 31 and 31' are provided at regular intervals in the longitudinal direction, except for the portions corresponding to the heads of the rails 2 and 2', respectively. The brush shafts 33 and 34 are fixedly placed.

Each brush 16 attached to this brush shaft 33, 34 with a clamp 15 forms a fixed angle (usually 90°) as shown in FIG. Rear rotating shaft 30 and sliding shaft 31.31
The tip of each brush 16 forms a continuous cylindrical surface when the brush 16 is rotated.

The slide shaft 31.31' has a notch of 40°40 in the longitudinal direction.
' is provided to prevent interference with the brush shaft 33 fixed to the rear rotating shaft 30 when the brush is moved in the longitudinal direction on the rear rotating shaft 30.

Further, as shown in FIG. 8, on the rail 2.2' side of the slide shaft 31.31', there are operating levers 41.41 and 41.41, respectively.
A fork receiving part 43.43' is provided which engages a fork part 42.42' at the tip of '.

The operating levers 41, 41' are rotatably supported by pins 45, 45' on support stands 44, 44' provided on the upper part of the brush cover 24, and the operating levers 41, 41' are rotated by arrows 46, 46', respectively. By moving the fork receivers 43, 43 in the direction of
The slide shaft 31, 31' is connected to the inside of the rear rotating shaft 30 (in the direction away from the rails 2, 2') through the support stand 44.
, 44' to a position where it hits a stopper (not shown).

Also, by moving the operating lever 41.41' in the direction of arrows L7, 47', the slide shaft 31.31' is moved to the outside of the rear rotating shaft 30 (in the direction approaching the rails 2, 2').
It can be moved to a position where it hits a stopper (not shown) on the support bases 44, 44'.

In addition, by fixing the operating lever 41.41' to the support stand 44.44' with a pin 61.61', the above-mentioned moving position can be maintained.

A front rotary brush device 22 and a rear rotary brush device 23 are attached to the brush cover 24, and a ballast sweeper 29 is installed at the lower center as shown in FIGS. 3 and 6.
A fixed shaft 26 whose ends are fixed to left and right shafts 49, 49' provided on the frame 48 by snap rings 51 passes through the brush cover 24.

This fixed shaft 26 rotatably supports the brush cover 24 via bushes 50 and 50' attached to the brush cover 24 with bolts 52.

Further, the brush cover 24 is connected to the tip of the piston rod 54 of the switching hydraulic cylinder 25 via a mounting seat 53 provided at the front upper part of the brush cover 24 .

The switching hydraulic cylinder 25 is swingably attached to the frame 48 of the palust sweeper 29 with a pin 55, and by extending the piston rod 54, the brush cover 24 is moved around the fixed shaft 26 in the direction of an arrow 56, and the front The tip of the brush 16 of the rotating brush device 22 can be rotated to a position where it comes into contact with the upper surface of the sleeper 14.

Also, by retracting the piston rod 54, the brush cover 24 can be rotated around the fixed shaft 26 in the direction of the arrow 57 to a position where the tip of the brush 16 of the rear rotating brush device 23 contacts the upper surface of the sleeper 14. I can do it.

A partition plate 58 made of a rubber plate or the like is provided near the center inside the brush cover 24, and the rear rotating brush 2
This is to prevent the ballast splashed by the brush 16 from flying out from the brush cover 24 when the brush cover 3 is operated.

The power device 27 is provided on the upper part of the brush cover 24,
The sprocket wheels 9 and 3 are attached to the output shaft of the engine 6, the clutch 7, and the reducer 8, and are attached to the output shaft of the reducer 8.
7. Front rotating brush device 22 through roller chains 10, 38 and sprocket wheels 11, 39, respectively
and transmits power to the rear rotating brush device 23.

Further, when the parast sweeper 29 runs freely on the track, two seats 59 provided on the upper surface of the brush cover 24 are installed to prevent the brush cover 24 from falling onto the track due to internal leakage of the switching hydraulic cylinder 25. and 2 provided on the frame 48 of the parast sweeper 29 opposite to this.
The structure is such that the individual seats 60 can be connected with the hanging fittings 28.

Since the dual rotary brush device 21 of the present invention has the above configuration, the parast sweeper 29 to which the dual rotary brush device 21 of the present invention is attached can move on the rails 2, 2' with no obstacles in the gauge. However, when performing standard ballast cleaning and straightening work, the dual rotary brush device 21 is
As shown by the solid line in FIG. 9, the piston rod 54 of the switching hydraulic cylinder 25 is extended, the brush cover 24 is rotated in the direction of the arrow 56 around the fixed shaft 26, and the front rotary brush device 22 is rotated. The tip of the brush 16 is brought into contact with the upper surface of the sleeper 14, and the front rotary brush device 22 is rotated while cleaning and straightening the ballast.

For example, if there is an obstacle such as the guardrail 20 inside the rail 2', move the operating lever 41' of the rear rotary brush device 23 in the direction of arrow 46' as shown in FIG. move the operating lever 41' in the direction away from the rail 2', and attach the pin 61 to the support base 44'.
' to prevent the brush 16 of the rear rotating brush device 23 from interfering with obstacles such as the guardrail 20.

Thereafter, as shown by the two-dot chain line in FIG. 9, the piston rod 54 of the switching hydraulic cylinder 25 is retracted, and the fixed shaft 2
6, rotate the brush cover 24 in the direction of the arrow 57, lift the front rotary brush device 22, lower the rear rotary brush device 23, and attach the tip of the brush 16 to the sleeper 14.
By contacting the upper surface of the ballast and rotating the rear rotary brush device 23 while cleaning and straightening the ballast, the work can be performed without interfering with obstacles such as the guardrail 20.

In this way, after completing work in areas where there are obstacles such as guardrails, extend the piston rod 54 of the switching hydraulic cylinder 25, rotate the brush cover 24 around the fixed shaft 26 in the direction of the arrow 56, The rear rotary brush assembly 23 can be raised, the front rotary brush assembly 22 lowered, and standard ballast cleaning and straightening operations can be continued with the front rotary brush assembly 22 as described above.

If there is an obstacle such as a guardrail on the rail 2 side,
By moving the slide shaft 31 in a direction away from the rail 2 using the operating lever 41, cleaning and straightening of the ballast can be performed in the same manner as in the case where there is an obstacle such as a guardrail on the rail 2' side.

As described above, if the dual rotary brush device 21 of the present invention is used, if there are no obstacles in the rails 2, 2', the switching hydraulic cylinder 25 moves the brush cover 24 around the fixed shaft 26 in the direction of the arrow 56. The front rotary brush device 22 can be rotated in the direction to lower the front rotary brush device 22, and the front rotary brush device 22 can perform cleaning and straightening work on the ballast.

If there is an obstacle such as a guardrail within the gauge of the rails 2, 2', depending on the situation, the operation lever 41 or 4
1', the slide shaft 31 of the rear rotary brush device 23
Alternatively, the ballast cleaning and alignment work can be carried out by moving the brush 16 so that it does not interfere with obstacles such as guardrails, eliminating the need for manual work, thus shortening the work time and making the work easier. Efficiency is improved, and breakage of brushes and brush shafts due to interference with obstacles such as guardrails is eliminated, which is a significant effect.

[Brief explanation of the drawing]

Figure 1 is a side view of a conventional ballast sweeper, Figure 2 is a front view of the rotating brush device seen from the direction A in Figure 1, and Figure 3 is a side view of a conventional ballast sweeper.
The figure is a side view of one embodiment of the present invention, FIG. 4 is a view taken in the direction of arrow B in FIG. 3, FIG. 5 is a view taken in the direction of arrow C in FIG.
-D sectional view, FIG. 7 is an E-E sectional view in FIG. 5, FIG. 8 is a F-F sectional view in FIG. It is a diagram. 6...Engine, 7...Clutch, 8
...Reducer, 9, 11, 37.38...
・Sprocket wheel, 10.38...Roller chain, 12'...Front rotating shaft, 16...
...Brush, 21...Double rotating brush device for ballast sweeper, 22...Front rotating brush device, 23...Rear rotating brush device, 24...
... Brush cover, 25 ... Hydraulic cylinder for switching, 26 ... Fixed shaft, 27 ... Power device, 29 ... Parast sweeper, 30.・・・
... Rear rotating shaft, 31. 31'... Slide shaft, 33, 34... Brush shaft, 41, 41'.
...Operation lever, 48...Frame, 4
9.49'...R154""" piston rod.

Claims (1)

[Scope of utility model registration request] In a dual rotary brush device for a ballast sweeper that cleans the ballast on the upper surface of railway sleepers and smoothes unevenness of the ballast between the sleepers, the front rotating brush has brushes attached at regular intervals to the front rotating shaft. a brush device, a rear rotary shaft, and a slide shaft that rotates integrally with the rear rotary shaft and is movable in the longitudinal direction of the rear rotary shaft, the brushes being respectively attached at regular intervals; A rear rotary brush device capable of changing the position of the brush by moving the rear rotary shaft in the longitudinal direction of the rear rotary shaft is disposed in the brush cover so as to be rearward and backward in the forward direction of the ballast sweeper, and the flange cover is A hydraulic cylinder for switching is swingably attached to the frame of the ballast sweeper, and both ends of the ballast are fixed to the left and right shafts of the frame of each ballast sweeper, and rotatably supported by two fixed shafts, and the upper part of the brush cutter is A dual rotating brush device for a parast sweeper, characterized in that a power device is provided for transmitting power to each of the front rotating brush device and the rear rotating brush device.