RU2673124C1 - Adjustable roller device for switchpoints - Google Patents

Abstract

FIELD: transportation.SUBSTANCE: invention relates to devices for the transfer of railway switchpoints. Roller device comprises a body with guides, a press block, a rocker arm and an elastic support. Clamping unit comprises a spring clamp and an anchor bolt with a nut. Spring stitch of complex shape is intended for fixing the device casing to the base of the rail. Front support roller has contact with an elastic support, the rear roller is equipped with a height adjustment mechanism.EFFECT: facilitates the transfer of switchpoints.5 cl, 5 dwg, 1 tbl

Description

The invention relates to railway equipment, and in particular to a roller device for a switch tongue coordinated with a frame rail.

A roller device is known in which the wit moves horizontally through a knurled roller on a sprung adjustable support connected to the wit (US Pat. No. 1,599,733).

In the known device, the raising of the wit is carried out with an effort constant during the shift, therefore, it is considered a stable position of the wit over the switch shoes. When the wag is loaded by moving the wheels, the wag push is adjacent to the switch shoes.

Known roller support for switch wits, comprising a housing with the possibility of mounting to a frame rail, a roller mounted on an axis parallel to the wit (according to ed. St. USSR No. 238578, class E01B 7/02, 1969).

Known descent in which the clamping unit is made with a clamp for attaching to the sole of the frame rail, and the swinging arm carrying the movable rolling rollers is lifted by a spring located obliquely on the side of the sleeve and connected to the swinging arm by a link. (Patent CS 277946, CL EB 7/02, B61L 5/02 12/29/1990).

However, a disadvantage of the known design is the location of the spring, which falls into the space between the rails.

The location of the spring can interfere not only with monitoring, manual or mechanical maintenance of the rail tracks, but also damage to the spring itself can occur, which will lead to an accident.

Known adjustable support for switch wits, including a housing with the possibility of mounting to a frame rail, rollers mounted on axes parallel to the wit, (see patent RU No. 2265687, CL EV 7/02, 2000)

The closest technical solution to the proposed one is an adjustable roller bearing of switch points, including a housing equipped with guides designed to install a frame rail, and consisting of side walls, transverse end walls and a lower wall, a clamping unit in the form of a spring grip and an anchor bolt with a nut, installed in one of the end walls, an elastic support placed in an opening of the lower wall, a swinging arm in contact with an elastic support and one end of which is mounted on an axis, laid in the holes on the side walls of the housing, and two pivots and rollers are placed on the swing arm, one of them has contact with the elastic support, (see in patent RU No. 2117085, class ЕВВ 7/02, 1998)

The main disadvantages of the known design are:

- during the operation of switches, the initial settings of the wit regarding the rollers of the bearings are lost, this comes from unrecoverable deformations of the switches, which leads to a violation of the correct operation of the arrow with all the ensuing consequences.

- partial adjustment of the position of the wit relative to the roller only in a vertical plane

- the implementation of the elastic support in the form of a screwed rod with a plate in which a compression spring is installed, closed by a pusher on top, leads to a rapid wear of plates from impacts upon impact of a wit, and as a result, to a breakdown of the support.

Also, such a support structure creates vibration of wits and the entire turnout, thereby reducing its service life

The technical result solved by the present invention is the creation of an adjustable roller device for switch wits, with advanced technical capabilities by providing the ability to control the combination of the number of rollers relative to each other.

The technical result in the present invention is achieved by creating an adjustable roller device for switch points, including a housing equipped with guides designed for installation on the base of the frame rail, and consisting of side walls, end transverse walls and the lower wall, the clamping unit in the form of a spring gripper and anchor a bolt with a nut installed in one of the end walls, an elastic support located in the hole of the lower wall, a swinging arm in contact with the elastic support and one horse which is mounted on an axis located in the holes on the side walls of the housing, moreover, two pins and rollers are placed on the swing arm, and one of them has contact with the elastic support, according to the invention, the swing arm is made in the form of two vertical panels interconnected by a transverse panel mounted in the housing, and the device is equipped with an additional pin, and all the pins are fixed in the vertical panels of the swing arm, and the elastic support is made of elastomer, while the gripper is made of intricate shape th round piece of elastic material and has two sections parallel to each other and designed to interface with the outer side of the housing, and the middle part is a shape that provides coupling with the anchor bolt, holes on the side walls of the housing for fastening, and the axis of the swinging arm are made in the form of vertically directed grooves ,

The proposed device due to the attachment to the base of the frame rail, allows you to reduce the impact of sudden changes in load on the change in the geometry of the railroad switch.

The proposed design of the pressure unit allows you to reduce the vibration of the switch when moving the arrow from one position to another.

The implementation of the elastic support of the elastomer can minimize the vibration of the wits and the entire turnout, thereby increasing its service life.

The number of pins and rollers mounted on them, depending on the technological possible and goals, may be

- the roller is mounted on an additional pin and has contact with the elastic support;

- two rollers are mounted on trunnions, and one of them has contact with an elastic support;

- two rollers are mounted on the trunnions, one of which has contact with the elastic support, and the second roller is equipped with a mechanism for regulating its position, located in the second hole of the transverse panel.

The ability to adjust the first and second roller allows you to use the proposed device in conditions of alternating temperatures + - 60C and with significant deterioration of switch shoes and other elements of the switch.

To regulate the position of the second roller using the mechanism for regulating the position of the second roller is made in the form of an adjusting bolt and nut.

The proposed adjustable roller device for switch points makes it possible to completely eliminate the lubrication of the switch shoe pads, this reduces operating costs and preserves the environment from the ingress of waste grease - used oil into the soil.

At the same time, the sharp points of the arrows are translated gently with minimal effort, reducing the wear of the arrows and reducing the breakdown of the turnout motors.

The use of devices significantly reduces environmental pollution by waste from the lubrication of the pillows of switch shoes.

Due to the cessation of lubrication of the arrow shoe pads, labor safety is increased due to the reduced movement of workers along the tracks (especially on sorting slides).

The essence of the proposed adjustable roller device for switch wits is illustrated by the following description and drawings, where:

in FIG. 1 shows an adjustable roller device for switch points with one adjustable roller;

in FIG. 2 shows an adjustable roller device for switch points with two rollers, one of which has the ability to adjust the position;

in FIG. 3 shows an adjustable roller device for switch points with two adjustable rollers;

in FIG. 4 shows a section aa - FIG. 3;

in FIG. 5 shows an exemplary installation diagram of the proposed adjustable roller device for switch points for switch points.

Adjustable roller device for switch wits (RRU), includes a housing consisting of side walls 1, end transverse walls 2 and lower wall 3 and equipped with guides 4 designed for installation on the base of the frame rail, an elastic support 5 made of elastomer placed in the hole of the lower wall 3, a swinging lever in contact with the elastic support 5, the clamping unit.

The swinging lever is made in the form of two vertical panels 6 interconnected by a transverse panel 7 mounted in the housing.

The swing arm is in contact with the elastic support 5, and one end thereof is mounted on an axis 8 located in the holes 9 on the side walls 1 of the housing. The holes 9 are made in the form of vertically directed grooves along which the axis 8 has the ability to move in a vertical plane.

In the vertical panels 6 are placed the pins 10, 11 12 and the rollers 13, 14 and the roller 13 is in contact with the elastic support 5.

The clamping unit consists of a spring clamp 15 and an anchor bolt 16 with a nut 17 installed in one of the end walls 2.

The spring clamp 15 is made of complex shape from a whole round piece of elastic material in the form of two sections parallel to each other, designed to interface with the outer side of the housing, and the middle part, the shape of which provides coupling with the anchor bolt 16.

Depending on the technological requirements, the location of the rollers and pins can be, for example,

- the roller 13 is mounted on the middle (additional) pin 11 and is in contact with the elastic support 5;

- the rollers 13, 14 are mounted on the pins 10 and 12, while the roller 13 is in contact with the elastic support 5;

The roller 13 and 14 are mounted on the pins 10 and 12, and the roller 13 is in contact with the elastic support 5, and the roller 14 is equipped with a mechanism for adjusting its position, located in the second hole 18 in the lower wall 3 of the housing.

The position control mechanism is made in the form of an adjusting bolt 19 and a nut 20.

The installation location and the number of pieces of the invention are selected individually.

Depending on the individual peculiarities of laying the wags, you can change the installation position of the adjustable roller device for switch wags for a maximum of one to two spaces between the sleepers (one or two sleepers) from their main position.

There is no need to install separate switchgear opposite each other, they can be installed in a "breakdown".

As a rule, on wits up to 10 m long, two switchgears are installed: in the front zone of the wit (between the 2nd and 3rd transfer bars), two switchgears are installed in the root zone (between the 2nd and 3rd transfer bars from the root of the wit) - with one roller.

The work of the proposed adjustable roller device for switch wits (for all combinations of rollers and trunnions) is as follows:

The frame rail (to hell, not shown) at the installation site of the switchgear is cleaned of contaminants, the place under the frame rail necessary for the installation of the switchgear (approximately to a depth of 20-25 cm) is freed from rubble.

The bottom surface of the wit is cleaned at the point of contact with the roller 13 or rollers 13 and 14 of the pressure unit.

The wit is moved to the position - “the wit is pressed against the frame rail”, in this position, the switchgear is installed under the bottom of the frame rail using the pressure unit. The nut 17 tightens the clamping unit until a slight deformation of the spring clamp 15.

Connect the roller 13 with an elastic support 5 with a force of 80-85 Nm, while the sole of the wit lies on the roller.

Then check the correct installation of the switchgear. To do this, after installing it, you must switch the arrow once to control the position of the wit relative to the rollers. The wit should always be on casters.

The installation and adjustment of the switchgear for all combinations of rollers and trunnions is carried out in a certain order:

For switchgear in which the roller 13 is mounted on the middle (additional) pin 11 and the rollers 13 in a construction with two roller rollers, it has the same installation step, namely:

The first stage of adjustment of the switchgear is carried out in the closed position (the wit is pressed against the frame rail).

Measure the gaps between the sole of the wit and the surface of the switch shoe at the installation site of the switchgear, on both sides.

The elastic support 5 with the help of the adjusting bolt 21 regulate (raise or lower) the position of the roller 13 until it comes into contact with the bottom surface of the wit.

In the case when in the switchgear there are two adjustable rollers 13 and 14, then proceed to adjust the position of the second roller 14.

By rotating the second adjustment bolt 19 and the nut 20, the adjustable roller 14 is set to the same level as the first roller 13.

Thus, both rollers will be parallel to the sliding surface of the shoe 23 (to hell, not shown) and at the same time the roller 13 will touch the bottom surface of the wit (in the closed position of the arrow).

Next, by rotating the adjusting bolt 21 located under the roller 13, raise the wit 1-2 mm higher than the previously measured gap between the lower surface of the wit and the surface of the switch shoe.

Then, the roller 14 is set to the same level as the first roller.

If the height of the wit of the wit (supported by roller 13) above the surface of the arrow shoes is the same, then after aligning the rollers, put the wit in the “witty position” position and check the gap between the lower surface of the wit and the surface of the arrow shoe in this position.

Several proposed devices were manufactured, tested and obtained the following results:

As can be seen from the table, the minimum transfer time decreases from 0.464 sec. up to 0,307 sec. (1.51 times), maximum - from 0.586 sec. up to 0.453 sec. (1.29 times).

In general, operational tests of turnouts equipped with switchgear showed reliable operation of both the roller devices themselves and the elements of switches and translation devices.

The use of the proposed adjustable roller device for turnouts for switch wagons ensures the safety and uninterrupted movement of rolling stock.

Claims (5)

1. An adjustable roller device for switch wits, including a housing equipped with guides designed for installation on the base of the frame rail, and consisting of side walls, end transverse walls and the bottom wall, a clamping unit in the form of a spring clamp and an anchor bolt with a nut installed in one of the end walls, an elastic support located in the hole of the lower wall, a swing arm having contact with the elastic support and one end of which is mounted on an axis located in the holes on the side walls ax of the housing, moreover, two pivots and rollers are placed on the swing arm, and one of them has contact with an elastic support, characterized in that the swing arm is made in the form of two vertical panels interconnected by a transverse panel mounted in the housing, and the device is equipped with an additional a trunnion, and all trunnions are fixed in the vertical panels of the swing arm, and the elastic support is made of elastomer, while the spring gripper is made of complex shape from a whole piece of elastic material in the form of two sections parallel to each other, designed to interface with the outer side of the housing, and the middle part, the shape of which provides interface with the anchor bolt, the holes on the side walls of the housing for mounting the axis of the swinging arm are made in the form of vertically directed grooves. 2. An adjustable roller device for switch wits according to claim 1, characterized in that the roller is mounted on an additional pin and has contact with an elastic support. 3. An adjustable roller device for switch points according to claim 1, characterized in that two rollers are mounted on the pins and one of them has contact with an elastic support. 4. An adjustable roller device for switch wits according to claim 1, characterized in that two rollers are mounted on pins, one having contact with an elastic support, and the second roller is equipped with a mechanism for adjusting its position located in the second hole of the transverse panel. 5. An adjustable roller device for switch wits according to claim 4, characterized in that the mechanism for adjusting the position of the second roller is made in the form of an adjusting bolt and nut.

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