CN222575150U - A device for measuring the close contact of a point rail - Google Patents

Abstract

The utility model belongs to the technical field of point rail displacement measurement, and relates to a point rail closeness measurement device, including a fixing plate, one end side of the fixing plate is fitted on the inner side of the end of the point rail, the other end of the fixing plate extends out of the end of the point rail, a displacement sensor is arranged on the other end of the fixing plate, and the detection rod of the displacement sensor extends toward one side of the base rail and extends out of the outer side of the point rail; the upper end surface of the fixing plate is not higher than the upper end surface of the point rail. The utility model fixes the displacement sensor by arranging a mounting hole on the fixing plate that matches the limit bolt at the end of the point rail, does not damage the structure of the original point rail, saves costs, and measures by the displacement sensor, has high measurement efficiency, and can perform real-time monitoring.

Description

Switch rail close contact measuring device

Technical Field

The utility model belongs to the technical field of switch point close contact measurement, and particularly relates to a switch point close contact measurement device.

Background

The track in the turnout comprises a stock rail and a tongue rail, and the movement of the tongue rail and the weight of the stock rail are controlled to realize the rail-changing operation of the train. In order to prevent the point rail displacement from being abnormal due to the aging of the electric and mechanical components, the contact amount between the point rail and the stock rail needs to be monitored, and the contact amount needs to be controlled within 2mm to consider that the point rail is in a normal working state.

At present, the detection and measurement of the point rail adhesion quantity are carried out by manually utilizing a measuring ruler, and the manual measurement mode is low in measurement efficiency and low in measurement precision, and can not monitor the point rail adhesion quantity in real time.

Disclosure of utility model

In order to solve the technical problems, the utility model aims to provide a point rail close contact quantity measuring device, which is characterized in that a displacement sensor is arranged on a fixing bolt on one side of a point rail, the point rail is contacted with a stock rail through the displacement sensor after moving, the point rail close contact quantity is measured, the measuring precision is high, the close contact quantity of the point rail can be measured in real time, and the measuring efficiency is high.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The point rail close contact measuring device comprises a fixing plate, wherein one end side surface of the fixing plate is attached to the inner side surface of the end part of a point rail, the other end of the fixing plate extends out of the end part of the point rail, a displacement sensor is arranged at the other end of the extending fixing plate, a detection rod of the displacement sensor extends towards one side of a stock rail and extends out of the outer side surface of the point rail, and the upper end surface of the fixing plate is not higher than the upper end surface of the point rail.

Further, one end of the fixing plate is provided with a mounting hole matched with a limit bolt at the end part of the switch rail, and the limit bolt is sleeved on the mounting hole to fix the fixing plate.

Further, a positioning box is arranged at one end of the fixing plate, the displacement sensor is arranged in the positioning box, and the end part of the detection rod extends out of the positioning box.

Further, one end of the fixing plate is provided with a locating plate, the locating plate is perpendicular to the fixing plate, and the locating box is fixed on the locating plate.

Further, a rib plate is arranged between the positioning plate and the adjacent plate surface of the fixed plate.

Further, the mounting holes comprise a pair of mounting holes, the mounting holes are arranged at intervals, and each mounting hole is of a U-shaped structure.

Further, one end of the displacement sensor is connected with a turnout integrated monitoring system, and the turnout integrated monitoring system is used for displaying the close-fitting quantity detected by the displacement sensor.

Further, the cross section of the fixing plate is of a "[ -shaped structure.

By adopting the technical scheme, the utility model has the following advantages and effects:

According to the point rail close contact quantity measuring device provided by the utility model, the close contact quantity detection after the point rail moves towards the stock rail is realized by fixing the displacement sensor at the end part of the point rail, and as the end part of the point rail cannot be processed in any way, the fixing of the displacement sensor is realized by arranging the mounting hole matched with the limit bolt at the end part of the point rail on the fixing plate, the structure of the original point rail is not damaged, the cost is saved, meanwhile, the measurement is performed by the displacement sensor, the measurement efficiency is high, and the real-time monitoring can be performed.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a perspective view of fig. 1.

FIG. 5 is a schematic view of the mounting structure of the displacement sensor inside the positioning box.

The reference numerals are as follows, 1-locating box, 2-fixed plate, 201-mounting hole, 3-rib plate, 4-locating plate, 5-displacement sensor, 501-detecting rod.

Detailed Description

The following detailed description of the embodiments of the present utility model will be provided with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present utility model. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the utility model, but rather are merely illustrative of the true spirit of the utility model.

As shown in fig. 1-5. The utility model relates to a point rail close contact measuring device, which comprises a fixed plate 2, wherein one end side surface of the fixed plate 2 is attached to the inner side surface of the end part of a point rail, the other end of the fixed plate 2 extends out of the end part of the point rail, the other end part of the extended fixed plate 2 is provided with a displacement sensor 5, and a detection rod 501 of the displacement sensor 5 extends towards one side of a stock rail and extends out of the outer side surface of the point rail. One end of the fixed plate 2 is provided with a mounting hole 201 matched with a limit bolt at the end part of the switch rail, and the limit bolt is sleeved on the mounting hole 201 to fix the fixed plate 2.

Specifically, the fixing plate 2 is a steel plate, and flanges extending to a side plate surface are respectively arranged at the upper end and the lower end of the fixing plate 2, so that the cross section of the fixing plate 2 is in a [ -shaped structure, and the upper end face of the fixing plate 2 is not higher than the upper end face of the switch rail. The mounting holes 201 penetrate the plate surface of the fixing plate 2. The detection rod 501 of the displacement sensor 5 is perpendicular to the fixed plate 2 such that the end of the detection rod 501 is perpendicular to the surface of the stock rail when the point rail is engaged toward the stock rail.

The displacement sensor 5 is a mechanical displacement sensor.

Further, since the limit bolts at the end of the point rail are a pair, and the front end of the point rail cannot be machined at will, the mounting holes 201 also include a pair, and the pair of mounting holes 201 are spaced to correspond to the pair of limit bolts, ensuring that the fixing plate 2 is fixed to the point rail through the mounting holes 201 without damaging the point rail. In order to facilitate adjustment of the protruding distance of the fixing plate 2, each of the mounting holes 201 is a U-shaped long slot.

Further, in order to protect the displacement sensor 5, a positioning box 1 is arranged at one end of the fixing plate 2, the positioning box 1 is a rectangular box body and is provided with a detachable upper cover, a clamping groove for the detection rod 501 to pass through is formed in one end of the positioning box 1, the outer peripheral surface of the positioning box 1 is perpendicular to the end of the fixing plate 2, the displacement sensor 5 is arranged in the positioning box 1, and the detection rod 501 of the displacement sensor 5 passes through the clamping groove and extends out of one end of the positioning box 1.

Specifically, an i-shaped clamping groove is formed in the side wall of the positioning box 1, a pair of flange plates are embedded in the clamping groove, and two ends of the displacement sensor 5, which extend out of the clamping groove, are respectively fixed at the end parts of the flange plates. The flange is provided with screw holes, after the position of the flange in the clamping groove is adjusted, the position of the flange is fastened through the screw holes by screws, and then the displacement sensor 5 is fixed on the flange again.

Further, in order to be convenient for further fix the locating box 1, one end of fixed plate 2 is provided with locating plate 4, and the tip of locating plate 4 and the tip that extends the switch rail with fixed plate 2 set up perpendicularly and form L type structure, and locating box 1 sets up on the lateral surface of locating plate 4, and the outer peripheral surface of locating box 1 is laminated with the lateral surface of locating plate 4, and both pass through screw fixed connection.

Further, in order to strengthen the connection between the positioning plate 4 and the fixing plate 2, a rib 3 is provided between the plate surfaces of the positioning plate 4 and the fixing plate 2 adjacent to each other. The rib plate 3 is of a right triangle structure, one vertical edge of the rib plate is fixed on the positioning plate 4, and the other vertical edge of the rib plate is fixed on the fixing plate 2.

Further, in order to detect the close contact amount of the switch rail in real time, one end of the displacement sensor 5 is connected to the switch integrated monitoring system, the displacement sensor 5 can transmit the close contact amount to the switch integrated monitoring system in real time, and the switch integrated monitoring system can be used for displaying the detected close contact amount. The staff can check the information of the close contact quantity of the switch rail in real time, and the switch rail can work normally.

When the utility model is used, the fixed plate 2 is fixed through the limit bolt at the end part of the switch rail, then after the switch rail is controlled to be attached to the stock rail, the detection distance of the detection rod 501 of the displacement sensor 5 is reset to zero after the extension length of the detection rod 501 is regulated, and then the switch rail is reset.

It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present utility model.

Claims (8)

1. The point rail close contact measuring device is characterized by comprising a fixing plate (2), wherein one end side surface of the fixing plate (2) is attached to the inner side surface of the end part of a point rail, the other end of the fixing plate (2) extends out of the end part of the point rail, a displacement sensor (5) is arranged at the other end of the extending fixing plate (2), a detection rod (501) of the displacement sensor (5) extends towards one side of the point rail and extends out of the outer side surface of the point rail, and the upper end surface of the fixing plate (2) is not higher than the upper end surface of the point rail.

2. A point rail close contact measuring device according to claim 1, wherein one end of the fixing plate (2) is provided with a mounting hole (201) matched with a point rail end limit bolt, and the limit bolt is sleeved on the mounting hole (201) to fix the fixing plate (2).

3. A point rail close contact measuring device according to claim 2, characterized in that one end of the fixing plate (2) is provided with a positioning box (1), the displacement sensor (5) is arranged in the positioning box (1), and the end part of the detecting rod (501) extends out of the positioning box (1).

4. A point rail close contact measuring device according to claim 3, characterized in that one end of the fixing plate (2) is provided with a locating plate (4), the locating plate (4) is perpendicular to the fixing plate (2), and the locating box (1) is fixed on the locating plate (4).

5. A point rail adhesion measuring device according to claim 4, characterized in that a rib plate (3) is arranged between the positioning plate (4) and the adjacent plate surface of the fixing plate (2).

6. A point contact measuring device according to claim 2, wherein said mounting holes (201) comprise a pair of said mounting holes (201) spaced apart, each of said mounting holes (201) having a U-shaped configuration.

7. A point rail close contact measuring device according to claim 1 or 3, wherein one end of the displacement sensor (5) is connected to a switch integrated monitoring system, and the switch integrated monitoring system is used for displaying the close contact amount detected by the displacement sensor.

8. A point rail adhesion measurement device as defined in claim 7, wherein:

the cross section of the fixing plate (2) is of a "[ -shaped structure.