Split type locking force sensor used for detecting adhesion force of locking iron of turnout switch machine

Abstract

The utility model provides a split type locking force sensor used for detecting the adhesion force of the locking iron of a turnout switch machine, which comprises a sensor force measuring plate, a first n-shaped metal plate, a second n-shaped metal plate, a transmitting circuit box base and a transmitting circuit box, and a positioning point is arranged below the sensor force measuring plate. The first n-shaped metal plate and the second n-shaped metal plate are spliced together through a positioning point, a transmitting circuit box base is arranged at the end, close to the second n-shaped metal plate, of the sensor force measuring plate, a transmitting circuit box is arranged on the transmitting circuit box base, a transmitting circuit is arranged in the transmitting circuit box, and the transmitting circuit is connected with the sensor force measuring plate. The split type locking force sensor is installed between the locking iron and the locking frame, the face where the convex face pressure-bearing area of the sensor is located is tightly attached to the locking iron, the locking frame is firmly fixed to a rail, tight attaching extrusion force borne by the locking iron can be transmitted to the convex face pressure-bearing area of the split type locking force sensor, and the sensor can detect the locking force value in real time. Therefore, whether the force value meets the track changing requirement is judged.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a combined locking force sensor for detecting the tight adhesion force of locking iron of a turnout switch machine. Background Art

[0002] When a railway train is running or entering or leaving a station, it needs to switch to a different track. A switch is set at the track switch. The switch can be switched from one position to another through a switch machine, thereby realizing the train change.

[0003] At present, when the turnout switch machine changes the track, it is necessary to detect whether the locking force value meets the track change requirement, judge whether the track change is successful, and ensure the safe track change and driving of the train. However, there is currently no dedicated locking force sensor for detecting the locking iron of the turnout switch machine. Utility Model Content

[0004] In view of this, in order to solve the problems existing in the technical background, the utility model proposes a combined locking force sensor for detecting the close contact force of the locking iron of the turnout switch machine, detecting the close contact locking force between the lock hook and the locking iron on the action rod of the turnout switch machine when the track is changed, and online real-time detection of whether the locking force value meets the track change requirement, judging whether the track change of the switch machine is successful, thereby further ensuring the safe track change and driving of the train. The specific technical solution is as follows:

[0005] A combined locking force sensor for detecting the tight contact force of the locking iron of a turnout switch comprises a sensor force plate, a first n-shaped metal plate, a second n-shaped metal plate, a transmitter circuit box base and a transmitter circuit box. A positioning point is provided below the sensor force plate. The first n-shaped metal plate and the second n-shaped metal plate are combined together through the positioning point. A transmitter circuit box base is provided at one end of the sensor force plate close to the second n-shaped metal plate. A transmitter circuit box is provided on the transmitter circuit box base. A transmitter circuit is provided in the transmitter circuit box. The transmitter circuit is connected to a wire. A wire nut is provided on the outside of the wire.

[0006] In one embodiment of the utility model, one side of the sensor force plate is provided with a convex pressure-bearing area, which can effectively transmit the pressure received by the locking iron. The other side of the sensor force plate is provided with a force sensing area, which can quickly and accurately measure the force value applied to the pressure-bearing surface and convert it into a corresponding electrical signal. The wires in the force sensing area are arranged in a wiring groove and sealed with glue. The wires extend all the way to the transmitter circuit box.

[0007] In one embodiment of the utility model, the sensor force plate has a limiting notch, and the inner walls of the limiting notch are flush with the inner walls of the first n-shaped metal plate and the second n-shaped metal plate respectively, ensuring that the sensor is installed in a suitable position after assembly.

[0008] In one embodiment of the present invention, the transmitter circuit box is welded to the transmitter circuit box base.

[0009] In one embodiment of the utility model, both sides of the front side of the sensor force plate are provided with concave steps, which can increase the deformation of the sensor after being subjected to force.

[0010] The above technical solution has the following beneficial effects:

[0011] The utility model is installed between the locking iron and the locking frame, the surface where the convex pressure-bearing area of the sensor is located is in close contact with the locking iron, and the locking frame is firmly fixed on the track. The close extrusion pressure exerted on the locking iron will be transmitted to the convex pressure-bearing area of the combined locking force sensor. The sensor can detect the locking force value in real time to judge whether the force value meets the track change requirement. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front structural schematic diagram of a combined locking force sensor for detecting the locking iron of a turnout switch machine according to the utility model;

[0013] Figure 2 It is a schematic diagram of the back structure of a split-type locking force sensor for detecting the locking iron of a turnout switch machine according to the utility model;

[0014] Figure 3 It is a side structural schematic diagram of a combined locking force sensor for detecting the locking iron of a turnout switch machine according to the utility model;

[0015] Figure 4 It is a top view structural schematic diagram of a combined locking force sensor for detecting the locking iron of a turnout switch machine according to the utility model;

[0016] Figure 5 It is a structural schematic diagram of the use state of a locking force sensor for detecting the locking iron of a turnout switch machine according to the utility model;

[0017] In the figure: 1-sensor force plate; 2-first n-shaped metal plate; 3-second n-shaped metal plate; 4-transmitter circuit box base; 5-transmitter circuit box; 6-transmitter circuit; 7-tightening nut; 8-conducting wire; 9-convex pressure-bearing area; 10-positioning point; 11-wiring groove; 12-force sensing area; 13-limiting notch; 14-locking frame; 15-locking iron; 16-gasket; 17-locking hook on the action rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 - 4 The combined locking force sensor for detecting the close contact force of the locking iron of the turnout switch machine shown in the figure comprises a sensor force plate 1, a first n-shaped metal plate 2, a second n-shaped metal plate 3, a transmitter circuit box base 4, and a transmitter circuit box 5. A positioning point 10 is provided below the sensor force plate 1. The first n-shaped metal plate 2 and the second n-shaped metal plate 3 are combined together through the positioning point 10. The end of the sensor force plate 1 close to the second n-shaped metal plate 3 is provided with a transmitter circuit box base 4. The transmitter circuit box 5 is provided on the transmitter circuit box base 4. The transmission circuit box 5 is provided with a transmission circuit 6, and the transmission circuit 6 is connected to a wire 8. A tightening nut (7) is provided on the outside of the wire 8. One side of the sensor force plate 1 is provided with a convex pressure-bearing area 9, which can effectively transmit the pressure received by the locking iron 15. The other side of the sensor force plate 1 is provided with a force sensing area 12, which can quickly and accurately measure the force value of the pressure-bearing surface and convert it into a corresponding electrical signal. The wire 8 of the force sensing area 12 is arranged in the wiring groove 11, and the wire 8 is sealed with glue. The wire 8 extends all the way into the transmission circuit box 5.

[0020] The utility model is used to detect the close locking force between the locking hook 17 and the locking iron 15 on the operating rod of the turnout switch when the track is changed, and to detect whether the locking force value meets the track change requirement in real time online, and to judge whether the track change of the turnout switch is successful, so as to ensure the safe track change and driving of the train. When the turnout switch is installed during the railway construction, there will be a gap between the locking iron 15 and the locking frame 14, and the gap needs to be filled by adjusting the gasket 16. The structure of the spliced locking force sensor is basically consistent with the appearance of the adjusting gasket 16, and the thickness is equivalent to the gasket 16. Such a size allows the close force sensor to measure the force value in real time after installation, and can also be used as the adjusting gasket 16.

[0021] When installing, see Figure 5As shown, the combined locking force sensor is installed between the locking iron 15 and the locking frame 14, the convex pressure-bearing area 9 of the sensor is in close contact with the locking iron 15, and the locking frame 1414 is firmly fixed on the track. When changing tracks, the switch machine action rod drives the lock hook to move together, and the inclined surface on the lock hook moves to fit with the inclined surface of the locking iron 15 to form a close-fitting inclined surface. At the same time, there is an adjustment inclined surface under the action rod. The two inclined surface stroke wedge-shaped structures generate an extrusion force between the lock hook and the inclined surface of the locking iron 15. The lock hook and the locking iron 15 fit together, and the other end of the action rod pushes the track to be changed to the specified position and fixes it. At this time, the close-fitting extrusion force on the locking iron 15 will be transmitted to the convex pressure-bearing area 9 of the combined locking force sensor. The sensor can detect the locking force value in real time to determine whether the force value meets the track change requirements.

[0022] In this embodiment, the first n-shaped metal plate 2 and the second n-shaped metal plate 3 are integrally formed, the sensor force plate 1 and the transmitter circuit box base 4 are integrally formed, a limiting notch 13 is processed on the sensor force plate 1, and the first n-shaped metal plate 2 and the second n-shaped metal plate 3 and the sensor force plate 1 adopt a split structure. When installing the n-shaped metal plates, the influence of the locking force of the locking iron 15 bolts on the sensor force plate 1 can be eliminated.

[0023] The first n-shaped metal plate 2 and the second n-shaped metal plate 3 are assembled with the sensor force plate 1 through the positioning point 10. The assembled structure is close to the size of the adjustment gasket 16 and can be used as the gasket 16 to ensure that the sensor does not affect the operation of the switch machine after installation. The sensor force plate 1 is processed with a limited notch 13 to ensure that the sensor is installed in a suitable position after assembly. Figure 4 As shown, the sensor force plate 1 is processed with a concave step, which can increase the deformation of the sensor after being stressed. The sensor force plate 1 is processed with a convex pressure-bearing area 9 on one side, which can effectively transmit the pressure received by the locking iron 15. The sensor force plate 1 is processed with a force sensing area 12 on one side, which can quickly and accurately measure the force value of the pressure-bearing surface and convert it into a corresponding electrical signal. The wire 8 of the force sensing area 12 is arranged in the wiring groove 11, and the wire 8 is sealed with glue. The wire 8 extends all the way to the transmitter circuit box 5. The transmitter circuit box 5 is welded to the transmitter circuit box base 4. The wire 8 is connected to the transmitter circuit 6 in the transmitter box. The wire 8 is fixed by a tightening nut (7). The tightening nut (7) adopts an anti-loosening design to prevent the wire protection tube outside the wire 8 from falling off.

[0024] The basic principle and main features of the present utility model have been described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed for the utility model is defined by the appended claims and their equivalents.

Claims

1. A combined locking force sensor for detecting the close adhesion force of the locking iron of a switch machine, characterized in that, The invention comprises a sensor force plate (1), a first n-shaped metal plate (2), a second n-shaped metal plate (3), a transmitter circuit box base (4), and a transmitter circuit box (5); a positioning point (10) is provided below the sensor force plate (1); the first n-shaped metal plate (2) and the second n-shaped metal plate (3) are assembled together through the positioning point (10); a transmitter circuit box base (4) is provided at one end of the sensor force plate (1) close to the second n-shaped metal plate (3); a transmitter circuit box (5) is provided on the transmitter circuit box base (4); a transmitter circuit (6) is provided inside the transmitter circuit box (5); the transmitter circuit (6) is connected to a wire (8); and a tightening nut (7) is provided outside the wire (8).

2. The combined locking force sensor for detecting the close force of the locking iron of the switch machine according to claim 1, characterized in that, One side of the sensor force plate (1) is provided with a convex pressure-bearing area (9) which can effectively transmit the pressure received by the locking iron. The other side of the sensor force plate (1) is provided with a force sensing area (12) which can quickly and accurately measure the force value received by the pressure-bearing surface and convert it into a corresponding electrical signal. The wire (8) of the force sensing area (12) is arranged in a wiring groove (11), and the wire (8) is sealed by glue. The wire (8) extends all the way into the transmission circuit box (5).

3. The split type locking force sensor for detecting the close force of the locking iron of the switch machine according to claim 1, characterized in that, The sensor force plate (1) is provided with a limiting notch (13), and the inner walls of the limiting notch (13) are respectively flush with the inner walls of the first n-shaped metal plate (2) and the second n-shaped metal plate (3), thereby ensuring that the sensor is installed in a suitable position after assembly.

4. The split-type locking force sensor for detecting the close force of the locking iron of the switch machine according to claim 1, characterized in that, The transmission circuit box (5) is welded to the transmission circuit box base (4).

5. The combined locking force sensor for detecting the close force of the locking iron of the switch machine according to claim 1, characterized in that, Both sides of the front side of the sensor force plate (1) are provided with concave steps, which can increase the deformation of the sensor after being subjected to force.

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