阅读说明：本技术 用于转辙机的表示杆位移检测装置 (Indicating rod displacement detecting device for switch machine ) 是由 王凯峰 刘振华 闫秋吉 黄天新 于 2019-10-16 设计创作，主要内容包括：本发明属于轨道交通技术领域,公开了一种用于转辙机的表示杆位移检测装置,包括：基板、二个传感器固定板、二个超声波传感器及二个反射板；基板装设于表示杆套上,基板包括顶部及与顶部相对设置的底部；二个传感器固定板分别装设于基板的顶部与底部上；二个超声波传感器对应地装设于二个传感器固定板上；二个反射板表示杆包括上表示杆及下表示杆,二个反射板分别装设于上表示杆及下表示杆的端头；在道岔转换过程中,二个超声波传感器对应地测量上表示杆和下表示杆的位移量并将数据传输至采集分机,从而对表示杆的动作过程进行实时的全域断轨检测,收集表示杆位移的具体数值,从而更加细致的了解道岔的健康状况。(The invention belongs to the technical field of rail transit, and discloses a displacement detection device for a representation rod of a point switch, which comprises: the ultrasonic sensor comprises a substrate, two sensor fixing plates, two ultrasonic sensors and two reflecting plates; the substrate is arranged on the indication rod sleeve and comprises a top part and a bottom part opposite to the top part; the two sensor fixing plates are respectively arranged on the top and the bottom of the substrate; the two ultrasonic sensors are correspondingly arranged on the two sensor fixing plates; the two reflecting plate indicating rods comprise an upper indicating rod and a lower indicating rod, and the two reflecting plates are respectively arranged at the ends of the upper indicating rod and the lower indicating rod; in the turnout conversion process, the two ultrasonic sensors correspondingly measure the displacement of the upper indication rod and the lower indication rod and transmit data to the acquisition extension set, so that the real-time global broken rail detection is carried out on the action process of the indication rod, the specific numerical value of the displacement of the indication rod is collected, and the health condition of the turnout is more carefully known.)

1. A indicating rod displacement detecting device for a switch machine, the switch machine including an indicating rod and an indicating rod sleeve fitted over the indicating rod, the indicating rod displacement detecting device comprising:

the substrate is arranged on the indicating rod sleeve and comprises a top part and a bottom part opposite to the top part;

the two sensor fixing plates are respectively arranged on the top and the bottom of the substrate;

two ultrasonic sensors correspondingly mounted on the two sensor fixing plates;

the two reflecting plates are respectively arranged at the ends of the upper representing rod and the lower representing rod;

in the turnout conversion process, the switch rails on two sides respectively drive the upper indicating rod and the lower indicating rod to move, and the two ultrasonic sensors correspondingly measure the displacement of the upper indicating rod and the lower indicating rod and transmit data to the collecting branch machine.

2. The device as claimed in claim 1, wherein the base plate is U-shaped and includes a top portion, a side portion and a bottom portion, the top portion, the side portion and the bottom portion are connected to each other in a surrounding manner, the base plate is mounted on the indication rod sleeve through an opening of the base plate, and the side portion of the base plate is fixed to the indication rod sleeve through a first locking member.

3. The presentation rod displacement detection apparatus as claimed in claim 1 or 2, further comprising:

the two protective cover mounting plates are respectively arranged on the top and the bottom of the substrate;

the protection casing is installed on the protection casing mounting panel and covers two ultrasonic sensor.

4. The apparatus of claim 3, wherein one of the two sensor fixing plates is connected to one of the top of the base plate and the two shield mounting plates, and the other of the two sensor fixing plates is connected to the other of the bottom of the base plate and the two shield mounting plates.

5. The device for detecting the displacement of a display rod according to claim 1, wherein the two sensor fixing plates are offset from each other to form a sensor mounting hole, and the ultrasonic sensor is mounted in the sensor mounting hole.

6. The device for detecting the displacement of a display rod according to claim 1, wherein each of the two reflecting plates has an L-shape, and each of the reflecting plates includes a mounting portion and a reflecting portion, the mounting portion of one of the reflecting plates is mounted on the end of the upper display rod with the reflecting portion thereof aligned with the ultrasonic sensor for measuring the upper display rod, and the mounting portion of the other of the reflecting plates is mounted on the end of the lower display rod with the reflecting portion thereof aligned with the ultrasonic sensor for measuring the lower display rod.

7. The apparatus according to claim 3, wherein the shield includes a side plate and two U-shaped coupling portions coupled to both ends of the side plate, the two U-shaped coupling portions being coupled to the two shield mounting plates, respectively.

8. The indication rod displacement detecting device as claimed in claim 7, wherein said side plate is provided with a notch, and the interface state of said ultrasonic sensor is monitored through said notch.

9. The indication rod displacement detecting device as claimed in claim 7 or 8, wherein one end of each of said U-shaped connecting portions is provided with a protection slope.

10. The indication rod displacement detecting device of claim 3, wherein the base plate, the sensor fixing plate, and the shield mounting plate are an integrally formed member.

11. The device as claimed in claim 2, wherein the lateral portion of the base plate has at least one first slot, and at least one first locking member correspondingly passes through the at least one first slot to fix the lateral portion of the base plate to the indicating rod sleeve.

12. The device as claimed in claim 7, wherein each of the U-shaped connecting portions has at least one second elongated hole, and at least one second locking member correspondingly passes through the at least one second elongated hole to fix the shield to the shield mounting plate.

Technical Field

The invention belongs to the technical field of rail transit, and particularly relates to a displacement detection device for a display rod of a point switch.

Background

A switch is a line connection device for switching trains from one track to another, and is usually laid in large numbers at stations and marshalling stations. The number of turnouts is large, the structure is complex, the maintenance and repair investment is large, and the turnout is one of key points for determining the running speed of the train.

The point switch is an important signal basic device for reliably switching the position of the turnout, changing the opening direction of the turnout, locking the switch point and reflecting the position of the turnout, and can well ensure the driving safety, improve the transportation efficiency and improve the labor intensity of driving personnel. The electric switch machine is widely applied to the turnout equipment of the Chinese trunk railway. Two indicating rods of the point switch are arranged up and down, are connected with the switch rails through long connecting rods and short connecting rods respectively, are driven by the switch rails to indicate the positions of the turnouts, and indicate the states of the turnouts through connection or disconnection of the turnouts. The displacement of the point machine indicating rod directly reflects the stroke of the switch point, and whether the indicating circuit is correct or not is determined, so that the health condition of the switch can be intuitively known by carrying out online monitoring on the displacement of the indicating rod, and possible faults of the switch can be judged.

Among the present detection device, implement the monitoring to showing pole displacement through setting up the grating sensor in the box of goat, but discovery present detection device's installation adaptability is not strong in-service use, more can't be used for the goat that the built-in space is limited, the outer space of machine is complicated, the box inner space of goat is narrow and small and the peripheral equipment of goat is intensive promptly, and the vibration of crossing the car is more violent, therefore current detection device can't firm installation and long-term steady operation, thereby the trouble that switch probably appears can't be accurately judged.

Therefore, it is highly desirable to develop a rod displacement detecting device that overcomes the above-mentioned drawbacks.

Disclosure of Invention

In view of the above problems, the present invention provides a display rod displacement detecting device for a switch machine, the switch machine including a display rod and a display rod sleeve fitted over the display rod, wherein the display rod displacement detecting device includes:

the substrate is arranged on the indicating rod sleeve and comprises a top part and a bottom part opposite to the top part;

the two sensor fixing plates are respectively arranged on the top and the bottom of the substrate;

two ultrasonic sensors correspondingly arranged on the two sensor fixing plates;

the two reflecting plates are respectively arranged at the ends of the upper representing rod and the lower representing rod;

in the turnout conversion process, the switch rails on two sides respectively drive the upper indicating rod and the lower indicating rod to move, and the two ultrasonic sensors correspondingly measure the displacement of the upper indicating rod and the lower indicating rod and transmit data to the collecting branch machine.

In the above device for detecting displacement of the indication rod, the substrate is U-shaped and includes a top portion, a side portion and a bottom portion, the top portion, the side portion and the bottom portion are connected in a surrounding manner, the substrate is mounted on the indication rod sleeve through an opening of the substrate, and the side portion of the substrate is fixed on the indication rod sleeve through a first locking component.

The above-described rod displacement detecting device further includes:

the two protective cover mounting plates are respectively arranged on the top and the bottom of the substrate;

the protection casing is installed on the protection casing mounting panel and covers two ultrasonic sensor.

The rod displacement detecting device described above, wherein one of the two sensor fixing plates is connected to the top of the base plate and one of the two shield mounting plates, and the other of the two sensor fixing plates is connected to the bottom of the base plate and the other of the two shield mounting plates.

In the above device for detecting displacement of the indication rod, the two sensor fixing plates are respectively provided with a sensor mounting hole in an offset manner, and the ultrasonic sensor is mounted in the sensor mounting hole.

In the above device for detecting displacement of a display stick, the two reflecting plates are L-shaped, each reflecting plate includes a mounting portion and a reflecting portion, the mounting portion of one reflecting plate is mounted on an end of the upper display stick, and the reflecting portion of the one reflecting plate is aligned with the ultrasonic sensor for measuring the upper display stick, and the mounting portion of the other reflecting plate is mounted on an end of the lower display stick, and the reflecting portion of the other reflecting plate is aligned with the ultrasonic sensor for measuring the lower display stick.

In the above device for detecting displacement of the indication rod, the protective cover includes a side plate and two U-shaped connecting portions connected to two ends of the side plate, and the two U-shaped connecting portions are correspondingly connected to the two protective cover mounting plates.

In the above device for detecting displacement of the indication rod, a notch is formed in the side plate, and the interface state of the ultrasonic sensor is monitored through the notch.

In the above device for detecting displacement of a display rod, one end of each of the U-shaped connecting portions is provided with a protective slope.

In the above-mentioned device for detecting displacement of a display rod, the substrate, the sensor fixing plate, and the shield mounting plate are integrally formed.

In the above displacement detecting device for the indication rod, at least one first long hole is formed in the side portion of the base plate, and at least one first locking component correspondingly penetrates through the at least one first long hole to fix the side portion of the base plate on the indication rod sleeve.

In the above device for detecting displacement of the indication rod, each of the U-shaped connecting portions has at least one second long hole, and at least one second locking component correspondingly penetrates through the at least one second long hole to fix the protection cover on the protection cover mounting plate.

Aiming at the prior art, the invention has the following effects: the displacement detection device of the indicating rod of the invention carries out real-time global rail breakage detection on the action process of the indicating rod and collects the specific numerical value of the indicating rod displacement, thereby more carefully knowing the health condition of the turnout.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic structural view showing a first embodiment of a rod displacement detecting device according to the present invention;

FIG. 2 is an enlarged schematic view of the substrate shown in FIG. 1;

FIG. 3 is an enlarged schematic view of the reflector in FIG. 1;

FIG. 4 is a schematic view of the detection process of the present invention;

FIG. 5 is a schematic structural view showing a second embodiment of the rod displacement detecting device according to the present invention;

fig. 6 is a schematic structural view of the shield of fig. 5.

Wherein the reference numerals are:

the rod is represented: 1

Upper representation rod: 11

The following represents the rod: 12

The rod sleeve is represented: 2

Substrate: 31

Top: 311

Side part: 312

First long hole: k2

Bottom: 313

Opening: 314

Sensor fixed plate: 32. 33. the first embodiment of the present invention provides a method for producing a high-quality optical fiber

Sensor mounting holes 331, 321

An ultrasonic sensor: 34. 35 of the formula

A reflecting plate: 36. 37. the following examples illustrate the use of

Mounting part: 361. 371

Bolt hole K1

A reflection part: 362. 372 of a plant

Mounting a protective cover: 38. 39 of a glass fiber

A protective cover: 40

Side plates: 401

Notching: 4011

U-shaped connecting part: 402. 403. the method includes

Protection inclined edge: 4021. 4031

Inclined plane: 405. 406 of a gas turbine

A second long hole: k3

A first locking assembly: 5

Bolt assembly: 6

A second locking assembly: 7

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, fig. 1 is a schematic structural view illustrating a first embodiment of a rod displacement detecting device according to the present invention; FIG. 2 is an enlarged schematic view of the substrate shown in FIG. 1; fig. 3 is an enlarged schematic structural view of the reflection plate of fig. 1. As shown in fig. 1 to 3, the switch machine includes a case (not shown), a display rod 1 and a display rod sleeve 2, the display rod sleeve 2 is mounted on the case, the display rod 1 is connected to the case through the display rod sleeve 2, the display rod 1 includes an upper display rod 11 and a lower display rod 12, and the display rod displacement detecting device of the present invention includes: a substrate 31, two sensor fixing plates 32, 33, two ultrasonic sensors 34, 35, and two reflecting plates 36, 37.

The substrate 31 is mounted on the indication rod sleeve 2, specifically, in this embodiment, the substrate 31 is U-shaped, the substrate 31 includes a top portion 311, a side portion 312 and a bottom portion 313 which are connected in a surrounding manner, the substrate 31 further has an opening 314, the substrate 31 is mounted on the indication rod sleeve 2 through the opening 314, and the side portion 312 of the substrate 31 is fixed on the indication rod sleeve 2 through the first locking component 5;

the two sensor fixing plates 32 and 33 are respectively arranged on the top 311 and the bottom 313 of the substrate 31, the sensor fixing plate 32 is arranged on the top 311, the sensor fixing plate 33 is arranged on the top 311, a sensor mounting hole 321 is formed in the sensor fixing plate 32 in an offset manner, a sensor mounting hole 331 is formed in the sensor fixing plate 33 in an offset manner, the ultrasonic sensor 34 is arranged in the sensor mounting hole 321, and the ultrasonic sensor 35 is arranged in the sensor mounting hole 331;

two reflecting plates 36, 37 are respectively installed on the ends of the upper indication rod 11 and the lower indication rod 12, the reflecting plate 36 is installed on the end of the upper indication rod 11, the reflecting plate 37 is installed on the end of the upper indication rod 11, in the embodiment, the reflective plates 36 and 37 are both L-shaped, the reflective plate 36 includes a mounting portion 361 and a reflective portion 362 connected to one side of the mounting portion 361, a 90 ° included angle is formed between the mounting portion 361 and the reflective portion 362, the reflective plate 37 includes a mounting portion 371 and a reflective portion 372 connected to one side of the mounting portion 371, a 90 ° included angle is formed between the mounting portion 371 and the reflective portion 372, bolt holes K1 are respectively formed on the mounting portions 361 and 371, the bolt hole K1 is engaged with the bolt member 6 to mount the mounting portion 361 to the end of the upper indication rod 11 and the mounting portion 371 to the end of the upper indication rod 11, the reflection portion 362 is aligned with the ultrasonic sensor 34 positioned on the upper indication rod 11, and the reflection portion 372 is aligned with the ultrasonic sensor 35 positioned on the lower indication rod 12.

Furthermore, at least one first long hole K2 is opened on the side portion 312 of the base plate 31, and the first locking component 5 is matched with the first long hole K2 to fix the side portion 312 of the base plate 31 on the indication rod sleeve 2, it should be noted that, in the embodiment, the first locking component 5 is a screw and is matched with the long hole to enable the installation position of the indication rod displacement detection device on the indication rod sleeve 2 to be adjusted slightly during installation.

In an embodiment of the present invention, the substrate 31 and the sensor fixing plates 32 and 33 may be an integral molding, but the present invention is not limited thereto.

The substrate 31 of the rod displacement detecting device of the present invention is fixed by the first locking member 5 by using the mounting position of the rod cover 2, and the ultrasonic sensors 1 are fixed to the respective mounting positions of the substrate 31. The reflecting plates 36, 37 are fixed to the end positions of the upper indicating rod 11 and the lower indicating rod 12 by the bolt assemblies 6, respectively. The rod displacement detecting device of the present invention thus utilizes the existing equipment mounting location, and the overall dimensions do not exceed the limitations of existing equipment.

Referring to fig. 4, fig. 4 is a schematic diagram of the detection process of the present invention. As shown in fig. 4, the present invention is specifically explained to show a specific operation of the rod displacement detecting device. Ultrasonic sensors 34 and 35 are respectively installed on the sensor fixing plates 32 and 33 of the top 311 and the bottom 313 of the substrate 31, a reflecting plate 36 is installed at the end of the upper indication rod 11, and a reflecting plate 37 is installed at the end of the lower indication rod 12; the ultrasonic sensor 34 is engaged with the reflection plate 36, and the ultrasonic sensor 35 is engaged with only the reflection plate 37. In the turnout switching process, the switch rails on the two sides respectively drive the upper indication rod 11 and the lower indication rod 12 to move successively along the direction of a solid line arrow in fig. 4, the ultrasonic sensor 34 measures the displacement of the upper indication rod 11, the ultrasonic sensor 35 measures the displacement of the lower indication rod 12, wherein a dotted line arrow in the figure represents the direction of ultrasonic waves, and the ultrasonic sensors 34 and 35 output the measured displacements to a collecting branch machine (not shown) so as to complete the detection function. The invention uses the existing installation position outside the switch machine box body, carries out online detection of displacement by transmitting and receiving ultrasonic waves, carries out real-time global broken rail detection on the action process of the switch machine indication rod, and collects the specific numerical value of the indication rod displacement, thereby mastering the health condition of the switch in real time.

FIG. 5 is a schematic structural diagram of a rod displacement detecting device according to a second embodiment of the present invention; fig. 6 is a schematic structural view of the shield of fig. 5. The rod displacement detecting device shown in fig. 5 has substantially the same structure as the rod displacement detecting device shown in fig. 1, and therefore the same parts will not be described here, and different parts will now be described below. As shown in fig. 5 to 6, in the present embodiment, the rod displacement detecting device is shown, and further includes: two shield mounting plates 38, 39 and a shield 40.

The shield mounting plate 38 is mounted on the top 311 of the substrate 31, and the shield mounting plate 39 is mounted on the bottom 313 of the substrate 31; the protection cover 40 is installed on the protection cover mounting plates 38 and 39 and covers the two ultrasonic sensors 34 and 35.

In the present embodiment, the sensor fixing plate is provided with the offset sensor mounting holes, the sensor fixing plate 32 is connected to the top portion 311 of the substrate 31 and the mask mounting plate 38, and the sensor fixing plate 33 is connected to the bottom portion 313 of the substrate 31 and the mask mounting plate 39, so that the overall structure of the substrate 31 is enhanced and the overall height of the detection device is reduced.

Further, the shield 40 includes a side plate 401 and two U-shaped connecting portions 402 and 403 connected to two ends of the side plate 401, the U-shaped connecting portion 402 is connected to the shield mounting plate 38, and the U-shaped connecting portion 403 is connected to the shield mounting plate 39, wherein in this embodiment, the U-shaped connecting portions 402 and 403 are both provided with at least one second long hole K3, and the second long hole K3 is matched with the second locking assembly 7 to fix the shield 40 on the shield mounting plates 38 and 39. It should be noted that, in the present embodiment, the second locking component 7 is a bolt and is matched with the long hole so that the installation position of the protection cover 40 on the protection cover installation plates 38 and 39 can be adjusted slightly during installation.

In one embodiment of the present invention, the second locking assembly 7 may be pre-welded to the shield mounting plates 38, 39 to provide a mounting location for the shield 40.

Still further, seted up breach 4011 on the curb plate 401, monitor ultrasonic sensor 34, 35's interface state through breach 4011, specifically speaking, in this embodiment, breach 4011 is located the middle part of curb plate 401, is located the rear of first lock solid subassembly 5 after the protection casing 40 is installed, and the setting of breach 4011 makes things convenient for the operation and maintenance personnel can inspect ultrasonic sensor 34, 35's interface condition under the condition that need not dismantle protection casing 40 completely.

Furthermore, one end of the U-shaped connecting portion 402 is provided with a protection slanting edge 4021, and one end of the U-shaped connecting portion 403 is provided with a protection slanting edge 4031, specifically, a distance between the front end of the protection slanting edge 4021 and the ultrasonic sensor 34 is a detection blind area length of the ultrasonic sensor 34, and a distance between the front end of the protection slanting edge 4031 and the ultrasonic sensor 35 is a detection blind area length of the ultrasonic sensor 35, so that the device debugging and calibration are facilitated.

It should be noted that in this embodiment, the protection cover 40 is provided with the inclined surfaces 405 and 406 on one side, so that the space occupation of the detection equipment is reduced and the strength is improved.

In an embodiment of the present invention, the substrate 31, the sensor fixing plates 32 and 33, and the shield mounting plates 38 and 39 may be integrally formed, but the present invention is not limited thereto.

In the S700k-C switch machine, because the space inside the machine is limited and the space outside the machine is complicated, in one embodiment of the present invention, the indicating rod displacement detecting device of the present invention is applied to the S700k-C switch machine to detect the displacement of the indicating rod of the S700k-C switch machine.

In summary, the invention provides a detection device which can be stably installed and stably operates for a long time, and solves the problem that no effective on-line detection exists in the action process of a switch machine indication rod.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.