Floating slab track bed displacement sensor tool

Abstract

The utility model relates to a floating slab track bed displacement sensor tool which comprises a base mounting support, a telescopic rod, a displacement sensor and a track bed plate mounting support. The substrate mounting support comprises a horizontal base and a vertical plate, and an arc-shaped long hole and a plurality of round holes distributed along the arc-shaped long hole are formed in the vertical plate; a plurality of mounting holes and positioning holes spaced from the mounting holes are formed in one end of the telescopic rod; a horizontal long-strip hole is formed in the other end of the telescopic rod, and the displacement sensor is connected with the long-strip hole through a bolt, so that the displacement sensor is fixed to the other end of the telescopic rod; the ballast bed plate mounting support is fixed on the floating slab ballast bed and comprises an upper wing plate, the upper wing plate is parallel to the surface of the ballast bed, and the top end of the displacement sensor is in point contact with the lower surface of the upper wing plate.

Description

Technical Field

[0001] This utility model relates to the field of rail transit facility technology, specifically to a floating slab track bed displacement sensor tooling. Background Technology

[0002] As a new type of track structure, floating slab track bed has been widely used in urban rail transit in recent years. Track bed displacement is an important indicator for evaluating its working status. Currently, track bed displacement is usually tested by fixing it with a magnetic base. A metal sheet is glued to the foundation, and then the magnetic base and sensor are fixed by the magnetic force of the magnetic base.

[0003] However, in practice, it has been found that due to environmental factors such as dampness and dust in the track, the bonding on the concrete foundation is prone to problems. At the same time, the magnetic base may have weak magnetic force, resulting in poor adsorption. This leads to the sensor not being firmly fixed, thus affecting the normal operation of the sensor. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] This invention provides a displacement sensor fixture for a floating slab track bed, which at least partially solves the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a floating slab track bed displacement sensor fixture, comprising:

[0008] The base mounting support (1), the telescopic rod (2), the displacement sensor (3), and the track bed slab mounting support (4);

[0009] The base mounting support (1) includes a horizontal base (11) and a vertical plate (12) extending from the horizontal base (11), wherein an arc-shaped elongated hole (121) and a plurality of round holes (122) distributed along the arc-shaped elongated hole are formed on the vertical plate (12).

[0010] One end of the telescopic rod (2) has multiple mounting holes (21) and positioning holes (22) spaced apart from the mounting holes; the mounting holes (21) are connected to the arc-shaped elongated hole (121) by bolts, and the positioning holes (22) are connected to the round hole (122) by positioning pins, thereby fixing one end of the telescopic rod (2) to the upright plate (12);

[0011] The other end of the telescopic rod (2) has a horizontal elongated hole (23), and the displacement sensor (3) is fixed to the other end of the telescopic rod (2) by connecting the elongated hole (23) with a bolt.

[0012] The track bed mounting bracket (4) is fixed on the floating track bed, which includes an upper wing plate (41) that is parallel to the track bed surface. The top of the displacement sensor (3) makes point contact with the lower surface of the upper wing plate (41).

[0013] According to an embodiment of the present invention, a screw hole (111) is formed on the horizontal base (11) for fixing the base mounting support (1).

[0014] According to the embodiment of the present invention, the telescopic rod (2) includes a vertical part (24) and a horizontal part (25), a mounting hole (21) and a positioning hole (22) are formed on the vertical part (24), and the bottom of the displacement sensor (3) is supported on the horizontal part (25).

[0015] According to the embodiment of the present utility model, the track bed slab mounting support (4) further includes a lower wing plate (42), which is integrally formed in a Z shape. The lower wing plate (42) is used to fix the track bed slab mounting support (4) on the floating slab track bed.

[0016] According to the embodiment of the present invention, the track bed plate mounting support (4) further includes a support rib (43), which is fixed on the lower wing plate (42) and the vertical part of the track bed plate mounting support (4).

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a displacement sensor fixture for a floating slab track bed, which has the following beneficial effects:

[0019] This invention proposes a top-rod type displacement sensor fixing fixture. This device has multiple degrees of freedom, allowing for adjustment of distance and angle. It is fixed to the base and track slab using bolts, and is adaptable to track slabs with different structures, such as rubber floating slab track slabs and steel spring floating slab track slabs. It solves the problems of weak adhesion and weak magnetic force in existing displacement sensors during installation. Attached Figure Description

[0020] Figure 1 A three-dimensional structural schematic diagram of the floating slab track bed displacement sensor fixture according to the implementation plan;

[0021] Figure 2 A schematic diagram of the base mounting support for the floating slab track bed displacement sensor tooling according to the implementation plan; and

[0022] Figure 3 This is a schematic diagram of the telescopic rod of the floating slab track bed displacement sensor fixture according to the implementation plan. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Figure 1 For a three-dimensional structural diagram of the floating slab track bed displacement sensor fixture according to the implementation plan, please refer to... Figure 1 The floating slab track bed displacement sensor fixture may include a base mounting support (1), a telescopic rod (2), a displacement sensor (3), and a track bed slab mounting support (4).

[0025] Figure 2 This is a schematic diagram of the base mounting support for the floating slab track bed displacement sensor tooling according to the implementation plan, with reference to... Figure 2 The base mounting bracket (1) includes a horizontal base (11) and a vertical plate (12) extending from the horizontal base (11). The horizontal base (11) has screw holes (111) for fixing the base mounting bracket (1), for example, the base mounting bracket (1) can be firmly fixed to the track base or the tunnel sidewall by bolts.

[0026] An arc-shaped elongated hole (121) and multiple round holes (122) distributed along the arc-shaped elongated hole are formed on one end of the upright plate (12), which can be used to adjust the installation angle of the telescopic rod (2). As shown in the figure, multiple round holes (122) are formed on the left side of the arc-shaped elongated hole (121), and the multiple round holes are arranged at intervals, also forming an arc shape similar to the arc-shaped elongated hole (121) in general. For example, the elongated hole is used to connect the telescopic rod (2) with bolts, while the round holes are used for positioning with locating pins. This makes it applicable to horizontal, vertical or inclined bases.

[0027] Figure 3 This is a schematic diagram of the telescopic rod of the floating slab track bed displacement sensor fixture according to the implementation plan. As shown in the figure, the telescopic rod (2) includes a vertical part (24) and a horizontal part (25), and is formed in an L-shape. At one end of the vertical part (24) of the telescopic rod (2), a plurality of mounting holes (21) and a plurality of positioning holes (22) spaced apart from the mounting holes are formed. The mounting holes (21) have a larger diameter and can be connected to the arc-shaped elongated hole (121) by bolts. The positioning holes (22) have a smaller diameter and can be connected to the round hole (122) by positioning pins, thereby fixing one end of the telescopic rod (2) to the vertical plate (12).

[0028] The other end of the telescopic rod (2) has a horizontal elongated hole (23). The displacement sensor (3) can be connected to this elongated hole (23) by bolts, thereby fixing it to the other end of the telescopic rod (2). The bottom of the displacement sensor (3) can be supported on the horizontal part (25), thereby achieving a more stable connection. The displacement sensor (3) can be a top rod type displacement sensor.

[0029] The track slab mounting support (4) includes an upper wing plate (41), a lower wing plate (42), and a vertical portion connecting the upper wing plate (41) and the lower wing plate (42), forming a Z-shape. The track slab mounting support (4) may also include support ribs (43), which are fixed to the lower wing plate (42) and the vertical portion of the track slab mounting support (4) to strengthen the track slab mounting support (4). The lower wing plate (42) is used to fix the track slab mounting support (4) to the floating slab track bed. The upper wing plate is parallel to the track bed surface, and the top of the displacement sensor (3) makes point contact with the lower surface of the upper wing plate (41) to realize the vertical displacement test of the track slab relative to the base.

[0030] In this embodiment, the base mounting bracket is firmly fixed to the track base with bolts. The telescopic rod, based on the inclination angle of the base and the position of the base mounting bracket relative to the track bed slab, selects a suitable distance for the mounting hole and the inclination angle. It is connected to the elongated hole of the base mounting bracket with bolts (5) and tightened. A positioning pin (6) is used to connect to the round hole of the base mounting bracket for positioning. A top-rod type displacement sensor (3) is installed at the other end of the telescopic rod. The sensor is fixed at a suitable position on the elongated hole of the telescopic rod, ensuring the displacement sensor is in a suitable measurement position. It is then tightened with bolts. The top rod is perpendicular to the upper wing plate of the track bed slab mounting bracket and forms a point contact. The track bed slab mounting bracket is installed at the upper edge of the track bed slab and fixed with bolts. Through the adjustment and installation of the device and sensor in this embodiment, the displacement of the floating track bed slab relative to the base can be measured.

[0031] The aforementioned fixture allows for adjustment of the angle and distance of the top rod displacement sensor, ensuring the sensor is positioned appropriately for measurement. The entire fixture is secured with bolts to prevent the sensor and device from falling off, enabling the measurement of track bed displacement and guaranteeing the safe operation of rail transit during testing.

[0032] The floating slab track bed displacement sensor fixture is used for displacement testing of floating slab track beds in subways. It is suitable for both short-term testing and long-term monitoring, and has significant application potential and economic value.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixture for a displacement sensor of a floating slab track bed, characterized in that, include: The base mounting support (1), the telescopic rod (2), the displacement sensor (3), and the track bed slab mounting support (4); The base mounting support (1) includes a horizontal base (11) and a vertical plate (12) extending from the horizontal base (11), wherein an arc-shaped elongated hole (121) and a plurality of round holes (122) distributed along the arc-shaped elongated hole are formed on the vertical plate (12). One end of the telescopic rod (2) has multiple mounting holes (21) and positioning holes (22) spaced apart from the mounting holes; the mounting holes (21) are connected to the arc-shaped elongated hole (121) by bolts, and the positioning holes (22) are connected to the round hole (122) by positioning pins, thereby fixing one end of the telescopic rod (2) to the upright plate (12); The other end of the telescopic rod (2) has a horizontal elongated hole (23), and the displacement sensor (3) is fixed to the other end of the telescopic rod (2) by connecting the elongated hole (23) with a bolt. The track bed mounting bracket (4) is fixed on the floating track bed, which includes an upper wing plate (41) that is parallel to the track bed surface. The top of the displacement sensor (3) makes point contact with the lower surface of the upper wing plate (41).

2. The floating slab track bed displacement sensor fixture according to claim 1, characterized in that: The horizontal base (11) has screw holes (111) for fixing the base mounting bracket (1).

3. The floating slab track bed displacement sensor fixture according to claim 1, characterized in that: The telescopic rod (2) includes a vertical part (24) and a horizontal part (25). A mounting hole (21) and a positioning hole (22) are formed on the vertical part (24), and the bottom of the displacement sensor (3) is supported on the horizontal part (25).

4. The floating slab track bed displacement sensor fixture according to claim 1, characterized in that: The track slab mounting support (4) also includes a lower wing plate (42), which is formed in a Z shape. The lower wing plate (42) is used to fix the track slab mounting support (4) on the floating track bed.

5. The floating slab track bed displacement sensor fixture according to claim 4, characterized in that: The track slab mounting bracket (4) also includes support ribs (43), which are fixed to the lower wing plate (42) and the vertical part of the track slab mounting bracket (4), respectively.

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