JP2000159106A - Lock warp detector and setting method for lock warp evaluation value - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock warp detector and a setting method for a lock warp evaluation value being easy to set and extremely precise SOLUTION: This setting method is provided with a locking lever tracking part 11b to be fixed to and follow a main locking lever 121, a fixing part 11a fixed on a switch body 101a, a first displacement sensor 11 and a processing part to measure a first distance which is a distance between a first standard position P1 of the fixing part 11a and the locking lever tracking part 11b, and the processing part to detect a lock warp from a difference between the first distance and an evaluation standard value.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an out-of-lock detector for detecting an out-of-lock state, which is a notch in a lock and a position of a lock piece of a switch for converting a turnout in a railway.

[0002]

2. Description of the Related Art Conventionally, in a railroad, a branch for moving a railcar from one track (hereinafter referred to as "main line") to another track (hereinafter referred to as "branch line") is performed. Vessel is used. This switch is generally
It has a configuration as shown in FIG. The branching device 100 shown in FIG. 6 includes basic rails R1 and R2, tong rails T1 and T2 to the branch line side, an electric switch 101, and a transmission unit.

[0003] The tongue rails T1, T2, which are in close contact with the basic rails R1, R2, are formed with a tongue-like tip. In addition, the transmission unit 108 includes the operation can 102 and the link member 1.
03a, 103b, 103c, 103d, 103e and 103f, escape cranks 104 and 106,
It has rods 105 and 107 and poles 109 and 110. Further, the rods 105 and 107 are attached to tong rails T1 and T2 via the poles 109 and 110, respectively.

[0004] The electric pointing machine 101 has a conversion mechanism (not shown) in which an electric motor (not shown) is used as a driving force, and the rotational driving force of the electric motor is linear. The driving force is converted into a driving force, and the operating rod 102 is driven in the rightward or leftward direction in FIG. The movement of the operation can 102 is transmitted to the rods 105 and 107 by the transmission part 108, and the tong rail T is
1. Move T2.

For example, when the operating can 102 moves rightward in FIG. 6, the rods 105 and 107 move downward in FIG. 6, for example, and accordingly, the tip of the tongue rail T2 (left end in FIG. 6) moves. The tip (the left end in FIG. 6) of the tongue rail T1 comes into close contact with the basic rail R2 and separates from the basic rail R1. In addition, operation can 10
When the rod 2 moves leftward in FIG. 6, the rods 105 and 107 move upward, for example, in FIG. 6, so that the tip of the tongue rail T2 moves to the main rail R2.
And the tip of the tongue rail T1 is the basic rail R
Adhere to 1.

[0006] By the above operation, the branching device 100
Can perform a tongue rail conversion operation for switching the course to the main line side or the branch line side. In this case, one of the positions where the tongue rail is in close contact with the main line side rail,
For example, a position where the tip of the tongue rail T1 is separated from the basic rail R1 and the tip of the tongue rail T2 is in close contact with the basic rail R2 is called "localization", and the other position, for example, the tip of the tongue rail T1 is in close contact with the basic rail R1. Rail T
The position at which the tip of No. 2 is separated from the basic rail R2 is called "inversion". These are arrangements in train operation, and the opposite positions may be determined as localization or inversion.

A front rod 118 is attached to the tip of the tongue rail T1, a connecting rod 119 is attached to the front rod 118, and a locking rod 120 is attached to the connecting rod 119.
7 and as shown in FIG.
A check is performed to determine whether the tongue rails are properly positioned and inverted within the housing 101a. FIG. 7 shows a case in which the lock can 120 is composed of the main lock can 121 and the auxiliary lock can 122.

The relationship between the notch of the lock can and the lock piece in the lock can will be described with reference to FIG. FIG. 8 illustrates the main chain lock can 121 as an example. FIG.
As shown in (1), the main chain lock can 121 has a concave main chain lock notch 123 formed therein. Also, the lock piece 124 is set so as to be perpendicular to the main chain lock can 121.
Is arranged. The lock piece 124 has a low height and a general portion 124c that does not fit with the main chain lock cannula notch 123.
And a fitting portion 124d that is high and fits with the main lock can notch 123.

With such a configuration, it is necessary to adjust the lock piece so that the lock piece can be inserted into the notch at the position where the tongue rail and the basic rail are bonded.
The turning machine changes the tongue rail, and when the change is completed, the turning machine moves to the operation of inserting the lock piece into the lock can, and if the lock piece can be inserted into the lock can notch, the tong rail is connected. It can be determined that the basic rail is at a position to be bonded. Conversely, if the lock piece cannot be inserted into the lock cannula notch, it can be determined that the tongue rail and the basic rail are not at the position to be bonded,
The inability to insert the lock piece prevents the train from passing without the tongue rail and the base rail being in a position where they adhere. However, basic rails and tong rails move slightly due to temperature expansion and contraction and train passage,
Since the lock can notch is slightly displaced, it is necessary to adjust the lock can notch position periodically in order to pass the train safely.

[0010] If a large displacement (hereinafter referred to as "lock failure") occurs between the position of the notch of the lock can and the position of the fitting portion of the lock piece so that it cannot be fitted.
It becomes impossible to insert the fitting part of the lock piece into the inside of the lock can notch, so that the train cannot pass through. In order to find out before such a situation occurs, conventionally, a lock failure detector 200 as shown in FIG.
Was installed on the electric point machine.

The lock failure detector 200 (hereinafter referred to as a “first conventional example”) includes a light emitting diode (LED) 2.
01a and 201b, and light receiving elements (for example, photoconductive cells using cadmium sulfide (CdS)) 205a and 205b
05b, moving slits 203a and 203b, and fixed slits 202a, 202b, 204a and 204b. As shown in FIG. 9A, a light emitting diode 201a and a light receiving element 205a are arranged to face each other, and two fixed slits 202a and 204a are arranged between them. Similarly, the light emitting diode 201b and the light receiving element 205b are arranged to face each other, and two fixed slits 202b and 204b are arranged between them. Then, fixed slits 202a and 204a, or 202b and 204
In the middle part of b, moving slits 203a and 203b which are fixed to the lock can and move together with the lock can are arranged.

With the above configuration, when the positional relationship between the lock can and the lock piece is normal, as shown in FIG. 9A, the light L1, L2 from the light emitting diodes 201a, 201b is Light is received by the light receiving elements 205a and 205b without being blocked by the moving slits 203a and 203b. However, when the positional relationship between the lock can and the lock piece is deviated and a state of “lock failure” occurs, the light L from the light emitting diodes 201a and 201b is
Since L1 and L2 are blocked by the moving slits 203a and 203b, the amount of light received by the light receiving elements 205a and 205b decreases. By detecting such a state, it has been possible to detect "lock failure".

The lock failure detector 200 shown in FIG.
Although not shown, an amplifying unit composed of a Schmitt circuit, a DC amplifier circuit, an output relay, and the like is connected thereto. When the light receiving output of the light receiving element 205a or the like decreases, the electric resistance increases, and the relay is turned off. (Fall) state, whereby an alarm or the like is notified to the concerned persons.

[0014] In addition, various detectors have been proposed as lock disorder detectors.

For example, the invention disclosed in Japanese Patent Application Laid-Open No. 52-53451 (hereinafter referred to as "second conventional example") is disclosed in
In addition to attaching a magnet to the lock can, a magnetic head is attached to the housing side of the electric pointing machine, and an attempt is made to detect lock failure by a change in the magnetic field detected by the magnetic head.

The invention disclosed in Japanese Utility Model Laid-Open Publication No. 57-167867 (hereinafter referred to as "third conventional example") is disclosed in
The principle of detecting the lock failure is the same as that of the first conventional example, but the light from the light source provided in the signal equipment room is guided to the electric switch using an optical fiber.

The invention disclosed in Japanese Patent Application Laid-Open No. Hei 5-213199 (hereinafter referred to as "the fourth conventional example") has a movable slot attached to a lock can and a casing provided on the side of the electric pointing machine. A line sensor was attached, and it was attempted to detect lock failure based on the projected position of the moving slit.

[0018]

In each of the first to fourth prior art examples, a lock or lock is provided with a slit, a magnet, or the like, and the target is detected to detect lock disorder. . However, there are manufacturing tolerances in actual lock canopy notches and lock pieces, and these manufacturing tolerances vary with a certain width. Therefore, detection of a uniformly determined slit gap or detection of a magnetic field of a magnet having a uniform magnetic distribution does not allow accurate detection of lock failure.

In order to detect a lock error with high accuracy by the principle of the above-mentioned conventional example, a slit having a size corresponding to each notch notch having an individual manufacturing tolerance is manufactured and precise measurement is performed. It must be installed correctly.
However, it takes time and effort to mount it correctly, which increases the cost. Therefore, for example, even if the gap between the notch of the lock can and the fitting portion of the lock piece is actually 1.5 mm or more, the optimum detection of the lock failure is considered in consideration of the manufacturing tolerance and the mounting tolerance of the target. The point had to be a safer 1.3 mm (FIG. 9).
(B)). Therefore, for example, when an on-site survey was conducted due to the occurrence of an out-of-lock warning, there was still enough room before the situation of out-of-lock was reached, and a situation occurred in which the trust was lost.

Further, in the case of a lock disorder detector using a slit, fine adjustment is required to determine the mounting position of the slit, and it takes a long time to set. On the other hand, in the case of the second conventional example using a magnet,
Fine adjustment is required to determine the mounting position of the magnetic detection head for detecting the magnet position, and this setting takes a long time, so that the setting is still troublesome. In the case of a method using a slit and light,
Grease or the like may adhere to the holes of the slits, or the light emitting surface and the light receiving surface may be stained or dewed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a lock erroneous detector which is simple to set and has high accuracy, and a method of setting a lock erroneous judgment value. Is to provide.

[0022]

SUMMARY OF THE INVENTION In order to solve the above problems, a lock erroneous detector according to the present invention is provided with a lock can notch provided on a lock can of a turning machine for converting a turnout in a railway. A lock deviation detector that detects a lock deviation that is a positional deviation between the lock piece and the lock piece, wherein the lock can follower that is fixed to the lock can and moves following the movement of the lock can; A fixing portion fixed to a fixing portion of the fixing device, a distance measuring means for measuring a first distance that is a distance between a first reference position of the fixing portion and the lock follower, and the first distance A lock deviation detecting means for detecting the lock deviation based on a difference between the lock deviation and the judgment reference value.

In the above-mentioned lock disorder detector, preferably, the lock disorder detecting means includes a determination value setting means, a storage means, and a calculating means, and the lock piece is fitted into the lock can notch. The first distance when the lock can is moved in a state where the part is inserted, and one side surface of the fitting portion of the lock piece abuts one inner wall of the lock can notch. The second distance is measured by the distance measuring means using the setting means and stored in the storage means, and then the lock can is moved in the opposite direction to that in the above process to fit the lock piece. The third distance, which is the first distance when the other side surface of the part comes into contact with the other inner wall of the lock can notch, is measured by the distance measuring means using the setting means, and is stored in the storage means. And then the second The criterion value based on the third distance and release to operation on the operation means, for detecting the lock deviation by calculating the difference between said first distance as a criterion value to the arithmetic means.

Further, the method of setting the lock deviation judgment value according to the present invention is a position shift of a lock can notch and a lock piece provided in a lock can of a switch for converting a turnout in a railway. A method of setting a lock deviation determination value for detecting lock deviation, comprising: a lock can follower that is fixed to the lock can and moves following the movement of the lock can; A lock fixed to the lock unit, a distance measuring unit for measuring a first distance between the first reference position of the fixed unit and the lock follower, a storage unit, and a calculation unit Using a deviation detector, the lock can is moved in a state where the lock piece fitting portion is inserted into the lock can notch, and one side of the lock piece fitting portion is locked with the lock piece. The first distance when abutting against one inner wall of the can notch; The second distance is measured by the distance measuring means using the setting means and stored in the storage means.Then, the lock can is moved in the opposite direction to the case of the process, and The third distance, which is the first distance when the other side surface of the fitting portion is in contact with the other inner wall of the lock can notch, is measured by the distance measuring means using the setting means and is stored. Means, and then causes the calculating means to calculate a criterion value based on the second distance and the third distance, and causes the calculating means to calculate a difference between the first distance and the criterion value. It is characterized by detecting lock disorder.

[0025]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a view showing the mounting of a displacement sensor of a lock-out detector according to an embodiment of the present invention. FIG. 2 is a diagram showing the configuration of the main body and the setting device in the lock out-of-lock detector according to one embodiment of the present invention. FIG. 3 is a diagram showing a configuration of a management device connected to the out-of-lock detector according to one embodiment of the present invention. Also, FIG.
It is a figure showing an example of appearance composition of a setter connected to a lock disorder detector which is one embodiment of the present invention.

As shown in FIG. 1, the lock disorder detector 10 includes a first displacement sensor 11 comprising a fixed portion 11a and a lock follower 11b, and a first displacement sensor 11 comprising a fixed portion 12a and a lock follower 12b. It comprises a two-displacement sensor 12 and a main body 13A. The main unit 13A is connected to a management device 30 described later.

In FIG. 1, reference numeral 126 denotes a lock piece guide which is a member for guiding the lock piece 124 to move at right angles to the lock cans 121 and 122.

The fixing portion 11a of the first displacement sensor 11 is fixed to a fixing point of the electric pointing machine 101, for example, a turning machine body 101a. Also, the first displacement sensor 11
Is locked to the main lock can 121. Therefore, the lock can follower 11b moves following the movement of the main lock 121. Fixed part 11a
Indicates a reference position P1 (hereinafter, referred to as a "first reference position").
Is provided.

The fixing portion 12a of the second displacement sensor 12 is fixed to a fixing point of the electric pointing machine 101, for example, to the turning machine housing 101a. Also, the second displacement sensor 12
The lock can follower 12b is fixed to the auxiliary lock can 122. Therefore, the lock can follower 12b moves following the movement of the auxiliary lock 122. Fixed part 12a
Indicates a reference position P2 (hereinafter, referred to as a "first reference position").
Is provided.

First displacement sensor 11, second displacement sensor 12
Is a length measuring sensor, which may be an analog or digital sensor. For analog systems, voltage,
Some use current, resistance, magnetism, light, ultrasonic waves, etc.
A differential transformer, an eddy current type displacement meter, a potentiometer, a magnetoresistive element, a photoresistive element, a CCD (charge coupled device), a laser displacement meter, a strain gauge type displacement meter, an ultrasonic displacement meter, and the like are used.

As the digital system, a rotary encoder, a linear encoder, or a CCD (Charge Coupled Device) may be used in which a digital pattern is attached in the direction of displacement and read by light, capacitance, magnetism, or the like.

The selection of the sensor slightly differs depending on whether the processing method of the processing means such as the processing unit 16A is analog or digital. Recently, however, either processing can be easily performed by using A / D conversion or D / A conversion electronic parts. Any sensor can be used as long as it is a sensor with high accuracy of displacement measurement.The front and rear movement of the lock can and the one or both sides are opposite due to the backlash between the lock can and the switch body. If the effect on the measurement due to the deviation in the direction is corrected or the effect is suppressed, a highly accurate displacement measurement becomes possible, and this setting method becomes effective.

The first displacement sensor 11 and the second displacement sensor 12 of this embodiment are, as an example of the above-mentioned various sensors, a turning body 101 for turning a digital pattern band by magnetism.
A description will be given of a sensor for measuring displacement by reading the digital pattern with a magnetic sensor attached to the lock can and attached to the lock can.

The main body 13A includes the first displacement sensor 1
1 and the second displacement sensor 12. As shown in FIG. 2, the main body 13A has an interface 14A.
, A transmission unit 15, a processing unit 16A, and a memory 17. The processing unit 16A includes a CPU (Central Processing).
Unit: a central processing unit) or a microcomputer, which performs calculations, controls, judgments and the like. The memory 17 is a ROM composed of a semiconductor chip or the like.
(Read Only Memory), RAM (Ra
ndom Access Memory: an occasional write / read memory) and stores the result calculated by the processing unit 16A, the measured value, the judgment value, the judgment result, and the like. The output from the transmission unit 15 is sent to the management device 30.

Also, as shown in FIGS.
Is connected only when a determination value described later is set. The setting device 40 includes a setting switch 41, a display device 42, and an alarm device 4.
3 is provided. The setting switch 41 is an operation for giving a command to the processing unit 16A of the main unit 13A, and keys and buttons for inputting a setting mode, a monitoring mode, and the like. Also,
The display 18 includes a liquid crystal display or the like, and displays a numerical value or the like of a calculation result of the processing unit 16A. The alarm 19 is a buzzer,
It has a light emitting diode (LED) or the like, and generates an alarm by sound or blinking light.

Further, as shown in FIG.
Is a device that manages the main unit 13A,
, Interface 34, processing unit 36, memory 3
7, a display unit 38, and an alarm unit 39. The processing unit 36 is configured by a CPU or a microcomputer, and performs calculations, controls, determinations, and the like. Memory 37
Includes a ROM, a RAM, and the like configured by a semiconductor chip or the like, and stores a result calculated by the processing unit 36, a measured value, a determination value, a determination result, and the like. The display unit 38 is composed of a liquid crystal display or the like, and displays a numerical value or the like of the calculation result of the processing unit 36. The alarm unit 39 has a buzzer, an LED, and the like, and generates an alarm by sound or blinking light.

Next, the operation of the lock out-of-lock detector 10 will be described.

The lock can follower 11b detects the displacement every predetermined cycle time (for example, one second),
Send to A. The processing unit 16A determines that the displacement is
The distance from the first reference position P1 of the lock lock follower 11b to the first reference position P1 (hereinafter, referred to as “first distance”) is measured and output.

The lock can follower 12b detects the displacement every predetermined cycle time (for example, one second) and sends it to the processor 16A. The processing unit 16A calculates the lock can follower 12 from the displacement and the first reference position P2 of the fixing unit 12a.
b from the first reference position P2 (hereinafter, “first distance”
That. ) Is measured and output.

Next, an example of a method for setting the judgment value of the lock disorder detector 10 will be described with reference to FIGS. FIG. 5 is a diagram for explaining a method of setting a determination value of the lock disorder detector shown in FIG. FIG. 5 illustrates the main chain lock can 121 and the lock piece 124 as an example.
In this case, the lock of the switch connected to the connecting rod connected to the front rod is on the localization side, and the secondary lock on the opposite side is moved relative to the main chain on the localization side. The switch is set to the position of the lock can, and the switch is turned to the normal position, and the lock piece is inserted into the notch of the main lock.

1) Normally, the lock piece is as shown in FIG.
The state shown in FIG. In this state, first, as shown in FIG. 2, the setting device 40 is connected to the main body 13A. Next, the setting mode button 41a (see FIG. 4) is pressed to enter the setting mode. At this time, the displacement sensor measures the position of the lock can at a regular period (for example, 1 second) and outputs it to the main body 13A. In this example, the value is an absolute position value based on a position unique to the displacement sensor.

2) Next, as shown in FIG. 5A, the main chain lock can 121 is moved rightward in FIG. 5, and the left side surface 124a of the fitting portion 124d of the lock piece 124 is moved to the main chain lock can. It is stopped at the position where it contacts the left inner wall 123a of the notch 123, and the main button 41c and the left button 41 of the setting switch
When the user presses e (see FIG. 4), the main body 13A uses the measured value at that time (the first distance in the case of FIG. 5A; hereinafter, referred to as the “localization-side second distance”) as the main chain. The lock can notch is stored in the memory 17 as the position where the lock is broken on the left side surface.

3) Next, as shown in FIG. 5B, the main lock 121 is moved to the left in FIG. 5, and the right side 124b of the fitting portion 124d of the lock piece 124 is moved to the main lock. It stops at the position where it hits the right inner wall 123b of the notch 123, and the main button 41c and the right button 41 of the setting switch.
When f (see FIG. 4) is pressed, the main unit 13A uses the measured value at that time (the first distance in the case of FIG. 5B; hereinafter, referred to as the “localization-side third distance”) as the main chain. It is stored in the memory 17 as a lock disorder position on the right side of the lock can notch.

When the monitoring mode switch is pressed after returning to the state almost before the setting, the localization-side second distance and the localization-side third distance are set in advance based on the determination values or the localization-side second distance and the localization-side third distance. The judgment value in consideration of the given margin α is stored and displayed on the display as the judgment value. Next, the switch is inverted, and the setting mode button is pressed to enter the setting mode. It should be noted that any preset margin α may be provided by providing a keyboard on the setting device or the management device so that it can be input. In this example, the determination value can be set by returning to the monitoring mode. However, the same setting can be performed by providing a switch for instructing the completion of the determination value setting in the setting unit.

4) Next, as in the case of the setting on the localization side, the auxiliary lock can is moved rightward, and the left side surface of the fitting portion of the lock piece contacts the left inner wall of the notch of the auxiliary lock. When the main unit 13A is stopped at the depressed position and depresses the sub-side button 41d and the left-side button 41e (see FIG. 4) of the setting switch, the main body unit 13A measures the value at that time (hereinafter, referred to as the "reverse second distance"). ) Is stored in the memory 17 as a position where the lock is broken on the left side of the notch of the auxiliary lock can.

5) Next, similarly to the case of the setting on the localization side, the auxiliary lock can is moved to the left, and the right side surface of the fitting portion of the lock piece contacts the right inner wall of the notch of the auxiliary lock. When the main unit 13A is stopped at the set position and the sub switch 41d and the right button 41f (see FIG. 4) of the setting switch are pressed, the main body unit 13A measures the value at that time (hereinafter, referred to as the "inversion-side third distance"). ) Is stored in the memory 17 as the position where the lock is broken on the right side of the notch of the auxiliary lock can.

When the lock can is moved to the right by half of the difference between the second distance on the opposite side and the third distance on the opposite side, or when the monitoring mode switch is pressed after returning to the state almost before the setting, A determination value is stored for the second side distance and the third distance on the opposite side, or a determination value in consideration of an arbitrary margin α set in advance based on the second distance on the opposite side and the third distance on the opposite side is stored. , Is displayed as a judgment value on the display. Next, the switch is switched to the localization mode, and the setting mode button is pressed to enter the setting mode. It should be noted that any preset margin α may be provided by providing a keyboard on the setting device or the management device so that it can be input.

6) Based on the measured value at the end of the conversion to the localization, the converted direction, the left and right clearance between the notch of the main chain lock and the lock piece, the left and right margin between the judgment value, and the like are displayed. You. The displayed value may be a value of the measured absolute position or a relative position based on the center position of the lock cannula which is initially set based on the measured absolute position. The display contents such as the determination result and each display value may be displayed in a manner that is easy for the maintenance person to understand.

7) If the gap between the notch of the lock and the lock piece exceeds the judgment value, an alarm for lock adjustment is issued. When the gap between the notch of the lock and the lock piece is lost or wrapped, a warning of lock failure is issued. The state of the lock failure can be stored in time series with the time each time the conversion is completed, or can be output to a printer.

As described above, this lock disorder detector 1
According to No. 0, the lock can is moved in either direction in a state where the fitting portion of the lock piece is inserted into the notch of the lock can, and one side of the fitting portion of the lock piece is The second distance, which is the first distance when contacting one inner wall of the notch
A first lock setting operation for measuring and storing the distance, and then moving the lock in the opposite direction to the case of the first lock operation, so that the other side of the fitting portion of the lock piece is The operator only needs to perform the second lock setting operation for measuring and storing the third distance, which is the first distance in the case of contact with the other inner wall of the lock can notch, and thereafter locks the lock. If the reference value of the deviation is determined, for example, a predetermined amount of deviation from the state where the lock piece is at the center position of the lock cannula is determined by the processing unit 16A at each predetermined cycle time. Calculates the difference between the two and automatically detects the lock failure.

If the displacement sensor is mounted so as to fall within the range required for detecting out-of-lock, the slit becomes unnecessary, and the above-described first and second lock setting operations can be performed to finely adjust the conventional slit position and the like. There is an advantage that it is much simpler than that.

Further, after the first and second lock setting operations, the detection of the lock failure is performed based on the position where the lock is actually lost, so that the accuracy of the lock failure detection is high. is there.

The positional relationship between the turning body 101a of the electric turning machine 101 and the lock piece 124 does not change after the on-site installation. Therefore, once the first and second lock setting operations are performed, the lock is not detected even if the position of the lock notch is adjusted as long as the mounting state of the displacement sensors 11 and 12 does not change. There is also the advantage that reconditioning of the vessel is not required.

From the above, the lock out of order detector 1
According to 0, it is possible to diagnose and judge a lock disorder suitable for an entity including a manufacturing tolerance of a lock can notch, and it is unnecessary compared to a conventional method of artificially setting a threshold value of a lock disorder. The area in which no alarm is issued can be expanded, and the maintenance person can reduce unnecessary dispatch. The processing unit 16A
If a warning signal or the like is derived and monitored by a monitoring device at a railway command center or a maintenance area, it is possible to quantitatively grasp the locked state of the switch. Furthermore, in the event that the switch cannot be switched, it is possible to determine whether it is impossible to switch due to lock failure or overload, making it easier to find the cause and recovering Time can be reduced. Also, since the locked state of the switch is quantitatively determined, if this value is recorded in chronological order, if the displacement amount approaches the judgment reference value, lock failure will progress. There is an advantage that it is useful to set the timing of the lock adjustment to show that it has started.

The present invention can be realized by embodiments having other configurations. In other embodiments, although not shown, the out-of-lock detector includes a fixed portion and a first displacement sensor similar to those of the embodiment shown in FIGS. 1 to 5, and the embodiment shown in FIGS. A different second displacement sensor and a main body are provided.

A different second displacement sensor in another embodiment has two lock followers. One of these lock followers (hereinafter referred to as “main lock follower”) is fixed to the main lock 121. Therefore, the main lock can follower moves following the movement of the main chain lock 121.

Further, the other lock follower of the second displacement sensor in another embodiment (hereinafter, referred to as a “sub lock follower”) is fixed to the auxiliary lock 122. . Therefore, the secondary lock can follower moves following the movement of the secondary lock 122.

Although the main body in the other embodiment is not shown, it is different from the main body 13A in the embodiment shown in FIGS. It has the same configuration as that of the main body 13A except that it has a “second processing unit”).

As described above, the lock follower 11b of the first displacement sensor 11 operates at the predetermined cycle time (for example,
1 second). In another embodiment, the displacement is sent to a second processing unit. The second processing unit measures and outputs the first distance of the lock follower 11b from the first reference position P1 based on the displacement and the first reference position P1 of the fixing unit 11a.

Further, the main chain lock follower detects the displacement every predetermined cycle time (for example, one second) and sends it to the second processor. In addition, the auxiliary lock can follower also detects the displacement every predetermined cycle time (for example, one second) and sends it to the second processing unit. From these displacements, the second processing unit determines the relative distance between the main lock follower and the secondary lock follower (for example, the absolute value of the difference between these displacements; hereinafter, referred to as “fourth distance”). ) Is measured and output.

The second processing unit calculates the first distance and the fourth distance
A distance (for example, an absolute value of a difference between the first distance and the fourth distance; hereinafter, referred to as a fifth distance) of the auxiliary lock can follower from the first reference position P1 is measured and output.

Therefore, in the case of other embodiments, FIG.
Similarly to the embodiments shown in FIGS. 1 to 5, it is possible to measure coordinates based on an immobile point (a point that does not move with respect to a moving lock). The other embodiment differs from the embodiment shown in FIGS. 1 to 5 only in that the coordinate position of the auxiliary lock can 122 is represented by the distance from the first reference position P1.

Thereafter, the lock can is moved in either direction while the fitting portion of the lock piece is inserted into the notch of the lock can, and one side of the fitting portion of the lock piece is locked. A first lock setting operation for measuring and storing a second distance, which is a first distance when abutting against one inner wall of the can notch, and then operating the first lock operation. The second distance which is moved in the opposite direction to the case and measures and stores a third distance which is a first distance when the other side surface of the fitting portion of the lock piece abuts on the other inner wall of the lock can notch. The operator performs only the setting operation of the lock can, and determines the reference value for determining whether the lock is out of order, for example, a predetermined shift amount from the state where the lock piece is at the center position of the lock can notch. In other words, the second processing unit measures at every predetermined cycle time, Operation, it is determined, automatically detect lock deviation.

In the case of the other embodiments described above, FIGS.
Has the same effects and advantages as those of the embodiment shown in FIG.

In the above embodiment, the displacement sensor and the processing section (the first displacement sensor 11 and the processing section 16A, the second displacement sensor 12 and the processing section 16A, the first displacement sensor 11 and the second processing section, and the second displacement sensor The second processing unit) constitutes a distance measuring unit. Further, the processing unit 16A and the second processing unit correspond to a lock failure detecting unit and a calculating unit. The memory 17 corresponds to a storage unit.

The present invention is not limited to the above embodiment. The above embodiment is an exemplification, and has substantially the same configuration as the technical idea described in the scope of the claims of the present invention. It is included in the technical scope of the invention.

For example, in the above-described embodiment, an example in which the fixing portions (11a, 12a) are fixed to the turning body has been described. However, the present invention is not limited to this. It may be fixed.

Further, in the above-described embodiment, an example has been described in which the first reference position is the position of P1 in the drawing and the second reference position is the position of P2 in the drawing. However, the present invention is not limited to this. The first reference position may be set at any position as long as it is a point on the fixed point. In addition, the lock can follower (11
b, 12b, main lock follower, auxiliary lock follower)
May not be provided on the lock can, and may be connected to the lock can by some member. In short,
The lock can follower may have any configuration as long as it is configured to move following the movement of the lock can.

The arithmetic means such as the processing unit 16A is not only a digital device such as a microcomputer but also a digital device.
An analog device may be used. Further, the storage means may be an analog device in addition to a digital device such as a memory.

The displacement sensor in the above embodiment has been described as a magnetic sensor. For example, a shield plate (slit) mounted on a lock can and a line sensor which is a kind of CCD are used for the displacement sensor (slit). In the method of measuring the position of (2) as displacement, make sure that the line sensor and shielding plate are not condensed or contaminated, and the back and forth movement of the lock can and the one side or If the structure is designed to compensate for the influence of the displacement of both sides in the opposite direction or to suppress the influence, it will be effective as a displacement gauge, so if this method is used, a shielding plate attached on a lock can The mounting position of the (slit) does not need to be strictly determined.

The displacement sensor may be of a contact type or a non-contact type. The displacement sensor is shown in FIG.
It is sufficient if at least the range of the distance C shown in (B) can be measured.

Further, in the above-described embodiment, an example has been described in which the displacement is measured in a one-second cycle. However, the present invention is not limited to this. Good.

A. The lock can displacement is measured at an arbitrary measurement cycle (for example, 1 second).

B. The contact state of the track circuit relay of the track circuit including the branching device of the interlocking device is constantly monitored, and any time only when the contact of the track circuit relay is ON (when the train is not in the track circuit). The lock can displacement is measured at a period (for example, 1 second).

C. The contact condition of the track control relay of the track control circuit of the interlocking device and the track circuit relay of the track circuit including the branching device is constantly monitored, and the contact of the switch control relay is OFF. With the condition being ON, the displacement of the lock can is measured at an arbitrary time (for example, 1 second) cycle.

D. The motor current of the electric switch at the contact of the track circuit relay is constantly monitored, and an arbitrary time period (for example, 1 second) is determined based on a condition that the motor current is cut off and a condition that the contact of the track circuit relay is ON. Measure the lock can displacement with.

E. The displacement of the lock can is measured at an arbitrary time (for example, one second) cycle, the contact state of the track circuit relay of the track circuit including the branching device of the interlocking device is constantly monitored, and the point machine is turned. The motor current of the electric machine control relay or the electric switch concerned is constantly monitored, and the contact of the track circuit relay is turned on or the contact of the electric machine control relay is turned off.
Alternatively, when the motor current is flowing, the measurement determination processing is not performed.

The above-mentioned setting device 40 can basically be constituted by a setting switch 41 and a display device 42. By adding an alarm device 42, it is possible to immediately recognize the lock failure during adjustment at the time of setting. You may. Setting device 4
The processing unit and the memory may be built in the CPU 0 so that the processing of the main unit 13A and the like may be shared. Further, a setting switch may be provided in the main body 13A or the like so that setting can be performed in the main body.

In the above embodiment, the setting mode, the monitoring mode, the main side, the sub side,
Although an example using the right and left setting switches has been described, the present invention is not limited to this, and another method may be used. For example, a method may be used in which these setting switches are displayed on the display unit of the touch panel and set by pressing them with a finger or the like. Alternatively, a method may be used in which these setting switches are displayed on the display image of the display unit, and the setting is performed by operating a mouse like a thumb ball of a notebook computer.

Alternatively, the display unit, one setting button, and a push button for returning to the previous operation state (for example, FIG.
41g) may be provided, and the setting may be made in accordance with the procedure displayed on the screen.

For example, a message “Set mode?” Is displayed on the screen, and when the setting switch is pressed, “Stop at the position where the left side of the main chain lock can notch hits the left side of the lock piece, and presses the setting button. And press the setting switch. When the setting switch is pressed, stop at the position where the right side of the main chain lock notch is in contact with the right side of the lock piece and press the setting button. When you press
A setting method for displaying the next operation may be used. In this case, if an erroneous setting button is pressed, pressing the push button 41g for returning to the previous operation will cause the immediately preceding display, "the right side of the main chain lock notch to hit the right side of the lock piece. Stop at the position you set, and press the setting button. "Is displayed. Further, the same setting can be made even if the above setting can be performed using the management device.

[0083]

As described above, according to the present invention,
A lock-follower that is fixed to the lock can and moves following the movement of the lock can, a fixing part that is fixed to a fixing point of the switch, a first reference position of the fixing part, and the lock can. A distance measuring means for measuring a first distance which is a distance to the follower, and a lock error detecting means for detecting a lock error based on a difference between the first distance and a criterion value. There is an advantage that it is much simpler than the fine adjustment.

In addition, since the detection of the lock error is performed based on the position where the lock error actually occurs, there is an advantage that the detection accuracy of the lock error is high.

Further, the positional relationship between the fixing point of the switch and the lock piece does not change. For this reason, once the lock can setting operation is performed, even if the position of the lock can notch is adjusted, there is no need to readjust the lock failure detector unless there is a change in the mounting state of the displacement sensor or the like. There are advantages too.

Further, according to the lock deviation detector of the present invention, it is possible to diagnose and judge the lock deviation suitable for the entity including the manufacturing tolerance of the lock cannula, and to artificially determine the threshold value of the lock deviation. The area in which unnecessary alarms are not performed can be expanded as compared with the conventional method of setting the alarm, and the maintenance person can reduce unnecessary dispatch. In addition, if an alarm signal or the like from a lock failure detector is guided and monitored by a monitor device at a railway command center or a maintenance area, the locked state of the switch can be grasped quantitatively. Furthermore, in the event that the switch cannot be switched, it is possible to determine whether it is impossible to switch due to lock failure or overload, making it easier to find the cause and recovering Time can be reduced. Also, since the locked state of the switch is quantitatively determined, if this value is recorded in chronological order, if the displacement amount approaches the judgment reference value, lock failure will progress. There is an advantage that it is useful to set the timing of the lock adjustment to show that it has started.

[Brief description of the drawings]

FIG. 1 is a diagram showing attachment of a displacement sensor of an out-of-lock detector according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a configuration of a main body unit and a setting device in a lock disorder detector according to an embodiment of the present invention.

FIG. 3 is a diagram showing a configuration of a management device connected to a lock failure detector according to an embodiment of the present invention.

FIG. 4 is a diagram illustrating an example of an external configuration of a setting device connected to the out-of-lock detector according to the embodiment of the present invention.

FIG. 5 is a diagram for explaining a method of setting a determination value of the out-of-lock detector shown in FIG. 1;

FIG. 6 is a top view showing a configuration of a conventional branching device.

FIG. 7 is a top view showing the configuration of the electric switch in the branching device shown in FIG. 6;

FIG. 8 is a diagram showing a relationship between a lock can and a lock piece in the electric pointing machine shown in FIG. 7;

FIG. 9 is a diagram illustrating the configuration and operation of an out-of-lock detector in the electric pointing machine shown in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 10 Lock failure detector 11 First displacement sensor 11a Fixed portion 11b Lock can follower 12 Second displacement sensor 12a Fixed portion 12b Lock can follower 13A Main body 14 Interface 15 Transmitter 16A Processor 17 Memory 30 Management device 33 Transmission unit 34 Interface 35 Transmission unit 36 Processing unit 37 Memory 38 Display 39 Alarm unit 40 Setting unit 41 Setting switches 41a to 41g Button 42 Display 43 Alarm 100 Switch 101 Electric point 101a Pointer body 102 operation can 103a to 103f link member 104 escape crank 105 rod 106 escape crank 107 rod 108 transmission part 109, 110 rolling rod 118 front rod 119 connection can 120 locking can 121 main locking can 12 Secondary lock can 123 Notch main lock can notch 123a Main inner lock can notch left inner wall 123b Main lock can notch right inner wall 124 Lock piece 124a Lock piece left side 124b Lock piece right side 124c Lock piece general part 124d Lock piece Fitting part 125 Secondary lock can notch 125a Secondary lock can notch left inner wall 125b Secondary lock can notch right inner wall 126 Lock piece guide 200 Lock out of order detector 201a, 201b Light emitting diode 202a, 202b Fixed slit 203a, 203b Moving slit 204a, 204b Fixed slit 205a, 205b Light receiving element L1, L2 Light R1, R2 Basic rail P1, P2 First reference position S Setting switch T1, T2 Tong rail

Claims (3)

[Claims] 1. A lock failure detector for detecting a lock failure, which is a position shift between a lock can notch notch and a lock piece provided on a lock can of a turning machine for converting a turnout in a railway, A lock can follower that is fixed to the lock can and moves following the movement of the lock can; a fixing portion that is fixed to a fixing portion of the point machine; a first reference position of the fixing portion A distance measuring means for measuring a first distance which is a distance between the lock lever and the lock can follower; and a lock disorder detecting means for detecting the lock disorder based on a difference between the first distance and a judgment reference value. A rock crazy detector. 2. The lock deviation detector according to claim 1, wherein the lock deviation detection unit includes a determination value setting unit, a storage unit, and a calculation unit. The first distance when the lock can is moved in a state where the fitting portion is inserted, and one side surface of the lock portion of the lock piece contacts one inner wall of the lock can notch. The second distance is measured by the distance measuring means using the setting means and stored in the storage means.Then, the lock can is moved in the opposite direction to the case of the process, and The first side when the other side surface of the fitting portion is in contact with the other inner wall of the lock cannula notch;
A third distance, which is a distance, is measured by the distance measuring means using the setting means and stored in the storage means. Then, a criterion value based on the second distance and the third distance is calculated by the calculating means. A lock error detector for detecting the lock error by causing the arithmetic means to calculate a difference between the first distance and a determination reference value. 3. A method for setting a lock deviation determination value for detecting a lock deviation, which is a notch of a lock can provided in a lock can of a turning machine for converting a turnout in a railroad and a lock piece misalignment. A lock can follower that is fixed to the lock can and moves following the movement of the lock can, a fixing part fixed to a fixing point of the point machine, and a second one of the fixing part. 1 using a distance measuring means for measuring a first distance that is a distance between the reference position and the lock can follower, a determination value setting means, a storage means, and a lock disorder detector including a calculating means, The lock can is moved in a state where the fitting portion of the lock piece is inserted into the notch of the lock can, and one side of the fitting portion of the lock piece has one side of the notch of the lock can. The second distance, which is the first distance when contacting an inner wall, is set. Using a step, the distance is measured by the distance measuring means and stored in the storage means.Then, the lock can is moved in the opposite direction to that in the above process, and the other side surface of the fitting portion of the lock piece is moved. The first lock case in contact with the other inner wall of the lock cannula;
A third distance, which is a distance, is measured by the distance measuring means using the setting means and stored in the storage means. Then, a criterion value based on the second distance and the third distance is calculated by the calculating means. A method for setting a lock deviation determination value, wherein the lock deviation is detected by causing the calculation means to calculate a difference between the first distance and a determination reference value.