RU2320799C2 - Device for removing insulating angle plates of flexible rail fastenings - Google Patents

Abstract

FIELD: railway transport; track machines.

SUBSTANCE: invention relates to manually operated track machines used for demounting of flexible rail fastenings, particularly, for pushing out insulating angle plate from anchor fastening of rail track. Proposed device for removing insulating angle plates of flexible rail fastenings has turnable handle with hook and support and lever turnable relative to handle. Hook is made in form of thickened and widened blade on end of handle for engagement with projection on insulating angle plate. Support of handle is made in form of bushing turnable relative to first axle-brace on first end of lever. Lever is made spring-loaded relative to handle with split members tied by first and second axles-braces. Second axle-brace is located on second end of lever and is made for engagement with inner surface of anchor. Members of lever on its second end are made widened and are provided with cavities for engagement with face of rail foot.

EFFECT: simplified design of construction at realization of possibility of forcing off rail foot from angle plate.

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Description

The present invention relates to track mechanisms with a manual drive, used for dismantling elastic rail fasteners, in particular for pushing the insulating corner from the anchor fastening of the railway track.

The vertical shelf of the plastic insulating corner (see additional materials) is pressed against the inner surface of the fastening anchor with the edge of the sole of the rail, which requires significant forces to remove the corner. In addition, care must be taken not to damage it during removal, taking into account the low mechanical characteristics of the non-metallic corner.

It is known [1] a device that can be used to remove the insulating corners of elastic rail fasteners, including a rotary handle with a hook and a support, which is a lever mechanism of the first kind. However, the support of such a device (for example, with exposure to the rail head) is unreliable. To remove a corner clamped by a large force, the application of a large driving force will be required, which will damage the corner. In addition, there will be difficulties in bringing the hook into contact with the corner, for example, in the zone of adjoining of its shelf to the sole.

It is also known [2] a device adopted as a prototype that can be used to remove the insulating corners of elastic rail fasteners, including a pivot handle made as a first connecting rod, with a hook for a corner placed on a vertical slide, pivotally connected to the handle, and with a support as well as pivoting relative to the handle, a lever made as a two-arm beam, pivotally connected to a connecting rod, pivotally connected to a horizontal slider. made with the possibility of impact on the side face of the sole of the rail. This mechanism is a rocker-slider four-link with a horizontal slider, complemented by a connecting rod-slider group of links with a vertical slider. The device adopted for the prototype, in the process of pressing the rail from the corner, freeing it. However, it is very difficult in design, especially in terms of the implementation of the support legs for the rocker arm and sliders, which must take very large forces.

The task to which the proposed device is directed is to simplify the design while realizing the possibility of squeezing the sole of the rail from the corner.

The problem is solved in that in a device for removing the insulating corners of elastic rail fasteners, including a pivot handle with a hook and a support and a pivoting lever relative to it, the hook is made in the form of a thickened and widened blade at the end of the handle with the possibility of interaction with the protrusion of the insulating corner, the handle support made in the form of a sleeve on it, rotatable relative to the first transverse axis at the first end of the lever, the latter being spring-loaded relative to the handle and bifurcated with elements, with the first and second axes-ties, while the second axis-coupler is placed on the second end of the lever and made with the possibility of interaction with the inner surface of the anchor, and the elements of the lever at its second end are broadened, having recesses made to interact with the edge of the sole rail.

The proposed device, according to the authors, is new, not known from the prior art, which is characterized by new implementations of the elements:

the implementation of the hook in the form of a thickened and broadened blade at the end of the handle with the possibility of interaction with the protrusion of the insulating corner, which ensures reliable transmission of the pushing force on the protrusion of the corner over its entire width, minimizing harmful elastic deformations of the handle, implements one of the supports of the device;

the implementation of the support of the handle in the form of a sleeve on it, rotatable relative to the first transverse axis at the first end of the lever, which provides the required conversion of the rotation of the handle in the working movement of the rail and lifting the angle;

the execution of the lever spring-loaded relative to the handle and bifurcated with elements pulled together by the first and second axle-ties, which ensures ease of use and girth by anchor elements on both sides and stability of the device;

the implementation of the second axis of the coupler, located on the second end of the lever, with the possibility of interaction with the inner surface of the anchor, which implements a reliable rotary support of the entire device, perceiving large work forces;

the implementation of the elements of the lever at its second end broadened, having recesses made with the possibility of interaction with the edge of the sole of the rail, which provides a stable transmission of the working pressing force to the rail and implements another support-rack device.

The proposal, according to the authors, has an inventive step, for experts it does not follow from the prior art and cannot be created using known methods, techniques, techniques and methods of constructing mechanisms.

The device is industrially applicable, can be used in travel facilities. The applicant organization designed and manufactured its prototype, having a mass of not more than 5 kg, overall dimensions of not more than 1020 × 145 × 65 mm. The device is tested, proved to be workable, solving tasks. With a handle force of not more than 400 N, it has a pushing capacity of up to 200 angles per hour.

The proposed device is illustrated by structural diagrams, where in Fig. 1 it is shown in a side view, and in Fig. 2 in a plan view with breakouts.

According to the proposal of FIGS. 1 and 2, the device for removing the insulating corners of the elastic rail fasteners includes a pivot handle 1 with a hook and a support and a lever 2 rotatable relative to it. The hook is made in the form of a thickened and widened blade 3 at the end (in FIG. left) of the handle 1 with the possibility of interaction from below with the protrusion 4 of the insulating corner. The support of the handle 1 is made in the form of a sleeve 5 on it, rotatable relative to the first (in Fig. - right) transverse axis 6 on the first (in Fig. - right) end of the lever. The latter is made spring-loaded (tension spring 7) relative to the handle 1 and bifurcated with elements 8 pulled together by the first 6 and second 9 axle-ties. The latter is placed on the second (in FIG. - left) end of the lever 2 and is configured to interact with the inner surface of the anchor 10. Elements 8 of the lever 2 at its second end (in Fig. - left) are made broadened, having recesses 11 made with the possibility of their interactions with the sole of the sole of the 12 rail.

The proposed device operates as follows. In the initial position (figure 1, 2), the handle 1 and the lever 2 are pulled to each other by a spring 7. First, the device is installed with a slight inclination to the rail so that the second axis of the screed 9 of the elements 8 of the lever 2 rested on the inner surface of the anchor 10, and the second broadened ends of the elements 8 of the lever 2, covering the side surfaces of the anchor 10, with their recesses 11 abutted against the side face of the sole 12 of the rail. The hook-blade 3 is then brought under the protrusion 4 of the insulating corner. After that, press down on the handle 1, bringing the moving parts of the device in motion relative to each other and relative to the support (rack) - elements of the path and its fastening. In this case, the elements 8 of the lever 2, pressing on the sole 12 of the rail with recesses 11, move the rail to the side (from Fig. - from right to left) from the anchor 10, release the insulating corner and the hook-blade 3 with further movement of the parts of the device push the corner from the installation site up without damaging it. After that, the device is transferred to the next disassembled (dismantled) fastener.

Information sources

1. Polytechnical Dictionary / Ed. I.I. Artobolevsky. - M. - Soviet Encyclopedia. 1976. - S. 433 (Fig. Below).

2. Krainev A.F. Mechanics of Machines: Fundamental Handbook. - M.: Mechanical Engineering, 2000. - P.314.

Claims (1)

A device for removing the insulating corners of elastic rail fasteners, including a pivot handle with a hook and a support and a pivoting lever relative to it, characterized in that the hook is made in the form of a thickened and widened blade at the end of the handle with the possibility of interaction with the protrusion of the insulating corner, the handle support is made in the form bushings on it, rotatable relative to the first axis of the tie at the first end of the lever, the latter being spring-loaded relative to the handle and bifurcated with elements pulled together by the first and second axle-ties, while the second axis-coupler is placed on the second end of the lever and is made with the possibility of interaction with the inner surface of the anchor, and the elements of the lever on the second end are broadened, having recesses made to interact with the edge of the rail sole.

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