CN110375661A - A kind of measuring device of pantograph and the measurement method of pantograph - Google Patents

Abstract

The present invention is suitable for rail traffic field of measuring technique, provides a kind of measuring device of pantograph and the measurement method of pantograph.The measuring device of pantograph of the invention includes load-bearing part, the mounting assembly for being respectively arranged on load-bearing part both ends and being used to be removably mounted in pantograph, is slidably connected on load-bearing part and can be along the shell that load-bearing part moves reciprocatingly and the range finder module being set in the housing, range finder module is used to measure the distance between the carbon slipper of range finder module and pantograph, compared to the measurement method of the carbon slipper of existing pantograph, the measuring device of pantograph of the invention does not need manual measurement in use, human error is effectively prevented, can effectively improve detection accuracy.

Description

Measuring device for pantograph and method for measuring pantograph

technical field

The invention relates to the technical field of rail traffic measurement, in particular to a pantograph measurement device and a pantograph measurement method.

Background technique

The traction power of the electrified railway is the electric locomotive. The locomotive itself has no energy, and the required energy is provided by the electric traction power supply system. The traction power supply system mainly refers to the traction substation and the catenary. The substation is located near the railway. It sends the current sent from the power plant through the high-voltage transmission line to the catenary above the railway. The electric locomotive uses the pantograph on the roof to obtain electricity from the catenary, and pulls the train to run.

Due to the direct friction between the pantograph and the catenary, this process will cause mechanical wear to the carbon sliding plate of the pantograph. Excessive wear and tear of carbon skateboards will cause major traffic accidents and seriously endanger driving safety. Therefore, in order to ensure the normal operation of electric locomotives, it is necessary to regularly test the carbon slides of the pantograph, and accurately detect the wear of the carbon slides, thereby improving the safety during railway transportation. However, the current detection methods all use an artificial ruler to measure, and there will be unavoidable human errors during detection, which undoubtedly greatly reduces the detection accuracy.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a pantograph measuring device, which aims to solve the technical problem of large error in the current manual detection method of the pantograph.

The present invention is implemented in this way, a pantograph measuring device, comprising a carrier, mounting components respectively provided at both ends of the carrier and used to be detachably mounted on the pantograph, slidably connected to the carrier a casing on the component and reciprocating along the length direction of the carrier, and a distance measuring module arranged on the casing, the distance measuring module is used for measuring the distance measuring module and the power receiving The distance between the carbon slides of the bow.

Further, the housing includes a mounting plate provided on one side of the carrier and slidably connected to the carrier, an upper cover connected to the side of the mounting plate close to the carrier, and a cover connected to the carrier. A lower cover on a side of the mounting plate away from the carrier, the carrier is arranged between the upper cover and the mounting plate, and the distance measuring module is arranged on the mounting plate.

Further, sliding grooves are respectively provided on opposite sides of the bearing member along the length direction, roller units are respectively provided on the mounting plate corresponding to the sliding grooves, and each roller unit is slidably connected to the corresponding sliding groove. in the slot.

Further, the measuring device of the pantograph further includes a magnetostatic grating encoder, and the magnetostatic grating encoder includes a magnetostatic grating source disposed on the mounting plate, and a magnetostatic grating source disposed on the carrier and corresponding to the The magnetostatic grating ruler set by the magnetostatic grating source.

Further, the measuring device of the pantograph further includes a driving member arranged on the mounting plate, and a power roller connected to the output end of the driving member, and the driving member is used to drive the power roller to The surface of the carrier rolls.

Further, the mounting assembly includes a first clamping arm connected to an end of the carrier, a telescopic mechanism connected to the first clamping arm at one end, and a telescopic mechanism connected to the telescopic mechanism away from the first A second clamping arm at one end of the clamping arm.

Further, the telescopic mechanism includes a connecting shaft and an elastic member sleeved outside the connecting shaft, one end of the connecting shaft is provided with a first abutting top, and one end of the connecting shaft is far away from the first abutting top connected with the second clamping arm, the first clamping arm is provided with a first through hole, the end of the connecting shaft corresponding to the first abutting top extends into the first through hole, the The inner wall of the first through hole is protruded with a second abutment portion located between the first abutment portion and the second clamping arm, one end of the elastic piece abuts against the first abutment portion, the An end of the elastic piece away from the first abutting top abuts against the second abutting top.

Further, the measuring device of the pantograph further comprises a circuit board which is provided on the casing and is electrically connected with the ranging module, and a battery which is electrically connected with the circuit board. for powering the ranging module and storing data measured by the ranging module.

Further, the measuring device of the pantograph further includes a computer connected in communication with the circuit board.

Another object of the present invention is to provide a method for measuring a pantograph, characterized in that it includes the following steps:

Step S1, providing a pantograph, and placing the pantograph on a reference plane;

Step S2, providing a ranging module, defining the initial position of the ranging module as an initial station, and the final position of the ranging module as a termination station, placing the ranging module on the pantograph and Correspondingly located at the initial station;

Step S3, moving the ranging module by one unit in parallel along the length direction of the pantograph;

Step S4, detecting whether the ranging module reaches the termination station;

If the ranging module reaches the termination station, step S6 is performed;

If the distance measuring module has not reached the termination station, step S5 is performed;

Step S5, the ranging module measures the distance between the ranging module and the carbon slide of the pantograph and stores the corresponding data, and then performs step 3;

Step S6, intercepting data corresponding to the position interval of the pantograph;

Step S7, removing the abnormal data points corresponding to the position interval of the pantograph;

Step S8: Calculate the average thickness and thickness standard deviation of the position interval corresponding to the pantograph, and display the measurement result.

The pantograph measurement device provided by the present invention includes a carrier, mounting components respectively provided at both ends of the carrier and used for detachably mounting on the pantograph, slidably connected to the carrier and reciprocating along the carrier The moving casing and the ranging module arranged in the casing are used to measure the distance between the ranging module and the carbon sliding plate of the pantograph, which can effectively improve the detection efficiency and detection accuracy. Install the mounting assembly on the pantograph equipped with a brand-new carbon slide plate, and push the housing along the carrier to move the housing relative to the carrier. While the housing moves, the ranging module measures the distance between the ranging module and the pantograph. The distance between the carbon slide plate and the carbon slide plate of the pantograph can be obtained from the distances between multiple points along the carrier and the carbon slide plate of the pantograph. From the distances between the multiple points and the carbon slide plate of the pantograph, the contour curve of the new carbon slide plate can be obtained. After the carbon skateboard is worn, the profile curve of the worn carbon skateboard can be measured in the same way, and the profile curve of the worn carbon skateboard can be compared with the profile curve of the brand-new carbon skateboard to obtain the wear amount of the carbon skateboard. The thickness of the slide plate is the same at the factory, so the thickness of the worn carbon slide plate can also be calculated. Compared with the existing measurement method of the carbon slide plate of the pantograph, the measuring device of the pantograph of the present invention does not need to be used during use. Manual measurement can effectively avoid human error and can effectively improve the detection accuracy. The method for measuring the pantograph provided by the invention does not require manual measurement, effectively avoids human errors, and can effectively improve the detection accuracy.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic three-dimensional structural diagram of a pantograph measuring device provided by an embodiment of the present invention;

2 is a schematic diagram of an exploded structure of a measuring device for a pantograph provided by an embodiment of the present invention;

3 is a schematic diagram of an exploded structure of a drive assembly, a fixed cover, and a pressing block of a pantograph according to an embodiment of the present invention;

4 is a schematic top-view structural diagram of a pantograph measuring device provided by an embodiment of the present invention;

Fig. 5 is the sectional structure schematic diagram along the A-A direction in Fig. 4;

Fig. 6 is the enlarged structural representation at the circle place in Fig. 5;

FIG. 7 is a flowchart of a method for measuring a pantograph provided by an embodiment of the present invention.

Among them, each reference sign in the figure:

1-Bearer, 2-Installation component, 21-First clamping arm, 211-First through hole, 2111-Second abutment top, 22-Second clamping arm, 23-Telescopic mechanism, 231-Connecting shaft, 2311-first abutment top, 24-buffer block, 25-elastic part, 3-shell, 31-installation plate, 32-upper cover, 33-lower cover, 34-magnetic grid spacer, 35-fixed cover, 36 -Accommodating slot, 37-Pressure block, 38-Battery bracket, 4-Ranging module, 51-Circuit board, 511-Display screen, 512-Charging interface, 52-Battery, 6-Chute, 7-Roller assembly, 71-Fixed shaft, 72-Sliding roller, 8-Static magnetic grid encoder, 81-Static magnetic grid source, 82-Static magnetic grid ruler, 9-Drive assembly, 91-Driver, 92-Reducer, 93-Power wheel.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description, rather than indicating or implying the referred device Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of this patent. The terms "first" and "second" are only used for the purpose of description, and should not be understood as indicating or implying relative importance or implying indicating the number of technical features. "Plurality" means two or more, unless expressly specifically limited otherwise.

In order to illustrate the technical solutions of the present invention, a detailed description is given below with reference to the specific drawings and embodiments.

Please refer to FIG. 1 and FIG. 2 , an embodiment of the present invention provides a pantograph measuring device, including a carrier 1 and mounting components 2 respectively disposed at both ends of the carrier 1 and used for detachably mounting on the pantograph , a housing 3 that is slidably connected to the carrier 1 and can reciprocate along the length direction of the carrier 1, and a ranging module 4 arranged in the housing 3. The ranging module 4 is used to measure the distance between the ranging module 4 and the The distance between the carbon slides of the pantograph.

The method of using the pantograph measuring device according to the embodiment of the present invention is as follows: install the mounting assembly 2 on the pantograph provided with a brand-new carbon slide plate, and push the casing 3 along the length direction of the bearing member 1, so that the casing 3 is opposite to the pantograph. When the carrier 1 moves, while the housing 3 moves, the ranging module 4 measures the distance between the ranging module 4 and the carbon slide of the pantograph, so that multiple points along the carrier 1 and the carbon slide of the pantograph can be obtained. From the distance between multiple points and the carbon plate of the pantograph, the contour curve of the new carbon plate can be obtained. After the carbon plate is worn, the contour curve of the worn carbon plate can be measured in the same way. By comparing the profile curve of the new carbon skateboard with the profile curve of the brand new carbon skateboard, the wear amount of the carbon skateboard can be obtained. Since the factory thickness of the carbon skateboard is the same, the thickness of the worn carbon skateboard can also be calculated. There are some measurement methods of the carbon slide plate of the pantograph. The measurement device of the pantograph of the present invention does not require manual measurement during use, which effectively avoids human error and can effectively improve the detection accuracy.

In an embodiment of the present invention, the ranging module 4 is a ranging sensor. Optionally, the ranging sensor includes a light source (not shown) that emits light toward the detection object, a linear CCD (Charge-coupled Device, charge-coupled device) array (not shown) for receiving the light reflected by the detection object, and a separate A signal processor (not shown) electrically connected with the light source and the linear CCD array, the light source emits light toward the detection object, and the linear CCD array receives the light reflected by the detection object and transmits the image to the signal processor. Get the distance between the distance sensor and the measured object. It can be understood that the distance measuring sensor of the embodiment of the present invention is not limited to measuring the distance only by the triangulation method. According to the selection of the actual situation, the phase method laser ranging can also be used, which is not limited in the present invention.

Optionally, the ranging sensor can be, but is not limited to, a laser ranging sensor or an infrared ranging sensor, that is, the light source can be a laser light source or an infrared light source, preferably, in order to improve the measurement accuracy, the light source is preferably a laser light source, that is, a ranging sensor. Preferably a laser ranging sensor. It can be understood that, in order to reduce the measurement cost, an infrared ranging sensor can also be used according to the selection according to the actual situation, which is not limited in the present invention.

In one embodiment of the present invention, the housing 3 includes a mounting plate 31 disposed on one side of the carrier 1 and slidably connected to the carrier 1 , an upper cover 32 connected to the side of the mounting plate 31 close to the carrier 1 , and The lower cover 33 is connected to the side of the mounting plate 31 away from the carrier 1 . The carrier 1 is arranged between the upper cover 32 and the mounting plate 31 . One side, so that the distance measuring module 4 can reciprocate along the length direction of the carrier 1 .

In an embodiment of the present invention, the opposite sides of the bearing member 1 in the extension direction are respectively provided with chute 6, and the mounting plate 31 is provided with roller units corresponding to the chute 6, and each roller unit is slidably connected to the corresponding slider. Slot 6.

Specifically, each set of roller units includes at least one roller assembly 7, and each roller assembly 7 includes a fixed shaft 71 disposed on the mounting plate 31, and a sliding roller 72 rotatably connected to the corresponding fixed shaft 71. The sliding roller 72 It is radially embedded in the corresponding chute 6 , so as to realize the sliding connection between the mounting plate 31 and the carrier 1 . Each set of roller units in the embodiment of the present invention includes two roller assemblies 7 arranged at intervals along the length direction of the carrier 1 . It can be understood that, each group of roller units may include only one roller assembly 7 or more than two roller assemblies 7 according to actual selection, which is not limited in the present invention.

In an embodiment of the present invention, the measuring device of the pantograph further includes a magnetostatic grating encoder 8, which is used to record the position of the distance measuring module 4 on the carrier 1, and the magnetostatic grating encoder 8 8 includes a static magnetic grid source 81 arranged on the mounting plate 31, and a static magnetic grid 82 arranged on the carrier 1 and corresponding to the static magnetic grid source 81. The static magnetic grid source 81 recognizes itself relative to the static magnetic grid by identifying 82 to confirm the position of the ranging module 4 on the carrier 1 .

Specifically, as shown in FIG. 2 , in the pantograph measuring device according to the embodiment of the present invention, the side of the mounting plate 31 close to the upper cover 32 is provided with a magnetic grid spacer 34 , and the magnetic grid spacer 34 is specifically located in one of the groups. On the side of the roller unit away from the carrier 1, the static magnetic grid source 81 can be, but is not limited to, set on the magnetic grid spacer 34 through screws, and the static magnetic grid 82 is provided on the side of the carrier 1. When the component 1 moves, the magnetostatic grating source 81 also moves relative to the magnetostatic grating ruler 82 , so that the position of the distance measuring module 4 on the carrier 1 can be recorded.

In an embodiment of the present invention, as shown in FIG. 2 and FIG. 3 , the measuring device of the pantograph further includes a driving component 9 , and the driving component 9 specifically includes a driving member 91 provided on the mounting plate 31 , and a driving member 91 and a driving member 91 . In this embodiment, the output shaft of the driving member 91 is coaxially connected to the power roller 93 , so that the driving member 91 can drive the power roller 93 to roll on the surface of the bearing member 1 .

Optionally, the drive assembly 9 further includes a reducer 92, and the output end of the drive member 91 is connected to the power roller 93 through the reducer 92, wherein the output shaft of the drive member 91 is coaxially connected to the input shaft of the reducer 92, and the power roller 93 is sleeved on the output shaft of the reducer 92 , and the power roller 93 is in contact with the side surface of the carrier 1 close to the mounting plate 31 . When the driving member 91 drives the power roller 93 to rotate, since there is rolling friction between the power roller 93 and the carrier 1 , the power roller 93 can drive the housing 3 and the ranging module 4 to move on the carrier 1 .

Specifically, referring to FIGS. 2 and 3 , in order to make the structure of the mounting plate 31 compact, the drive assembly 9 is provided on the side of the mounting plate 31 away from the bearing member 1 , and the mounting plate 31 is provided with a hollow slot corresponding to the power roller 93 so that the power Parts of the rollers 93 can pass through the hollow slot and come into contact with the carrier 1 .

Optionally, in order to prevent slippage between the power roller 93 and the bearing member 1 , a non-slip pad may be provided on the outer surface of the power roller 93 to improve the friction force between the power roller 93 and the bearing member 1 .

Specifically, with reference to FIGS. 2 and 3 , the housing 3 further includes a fixing cover 35 disposed on the side of the mounting plate 31 away from the carrier 1 , and a pressing block 37 connected to the fixing cover 35 , wherein the fixing cover 35 can be It is not limited to be provided on the mounting plate 31 by means of screws. An accommodating groove 36 for accommodating the reducer 92 and the driving member 91 is opened on the fixed cover 35 , the reducer 92 and the driving member 91 are arranged in the accommodating groove 36 , and the output shaft of the reducer 92 passes through the fixed cover 35 and is The power roller 93 is coaxially connected, and the pressure block 37 is covered on the opening of the accommodating groove 36 of the fixed cover 35. The pressure block 37 can be specifically but not limited to be set on the fixed cover 35 by screws, which can prevent the driving member 91 from being connected to the reducer. 92 is released from the accommodating groove 36 .

In an embodiment of the present invention, the pantograph measuring device further includes a circuit board 51 that is provided on the mounting board 31 and is electrically connected to the ranging module 4 , and a battery 52 that is electrically connected to the circuit board 51 . The circuit The board 51 is used to supply power to the ranging module 4 and store the data measured by the ranging module 4. In this embodiment, the circuit board 51 can be connected to the ranging module 4, the battery 52, the driver 91 but not limited to by means of wires. Electrical connection.

Specifically, the circuit board 51 can be, but not limited to, be disposed on the side surface of the mounting plate 31 close to the carrier 1 through screws, and the circuit board 51 is located on a side of the roller unit away from the magnetostatic grid source 81 , which is far away from the carrier 1 . side, so that the structure distribution on the mounting plate 31 is uniform and compact.

Specifically, the housing 3 further includes a battery bracket 38 for placing the battery 52 . One end of the battery bracket 38 is connected to the mounting plate 31 , and the other end is bent around the carrier 1 and abuts on the surface of the magnetostatic grid source 81 , thereby The battery bracket 38 and the mounting plate 31 are enclosed to form a groove structure for the carrier 1 to pass through. The battery 52 is arranged on the side of the battery bracket 38 away from the carrier 1 . In this embodiment, both ends of the battery bracket 38 can be mounted on the mounting plate 31 by screws but not limited to.

Specifically, as shown in FIG. 1 and FIG. 2 , a display screen 511 for displaying setting menus and measurement data, and a charging interface 512 for charging the battery 52 are spaced on a side of the circuit board 51 away from the carrier 1 .

Specifically, in the pantograph measuring device according to the embodiment of the present invention, the upper cover 32 is a hollow structure for accommodating the structural member disposed on the side of the mounting plate 31 away from the lower cover 33 . Similarly, the lower cover 33 It is also a hollow structure for accommodating a structural member disposed on the side of the mounting plate 31 away from the upper cover 32 . One end of the upper cover 32 is connected to the mounting plate 31 , and the other end is bent around the carrier 1 and connected to the mounting plate 31 . In this embodiment, the two ends of the upper cover 32 can be mounted on the mounting plate 31 by but not limited to screws, and the mounting plate 31 can be mounted on the lower cover 33 by but not limited to screws.

In one embodiment of the present invention, as shown in FIG. 2 , FIG. 4 , FIG. 5 and FIG. 6 , the mounting assembly 2 includes a first clamping arm 21 connected with the end of the carrier 1 , and one end is connected to the first clamping arm 21 . The telescopic mechanism 23 connected to the arm 21, and the second clamping arm 22 connected to the end of the telescopic mechanism 23 away from the first clamping arm 21, so that the distance between the first clamping arm 21 and the second clamping arm 22 is Adjustable to fit different sized pantographs.

Specifically, the telescopic mechanism 23 includes a connecting shaft 231, and an elastic member 25 sleeved outside the connecting shaft 231. One end of the connecting shaft 231 is provided with a first abutting portion 2311, and one end of the connecting shaft 231 away from the first abutting portion 2311 is connected to the first abutting portion 2311. The two clamping arms 22 are connected. The first clamping arm is provided with a first through hole 211 , and one end of the connecting shaft 231 corresponding to the first abutment portion 2311 extends into the first through hole 211 , and the inner wall of the first through hole 211 protrudes There is a second abutting top 2111 located between the first abutting top 2311 and the second clamping arm 22, one end of the elastic piece 25 abuts against the first abutting top 2311, and an end of the elastic piece 25 away from the first abutting top 2311 is in contact with the first abutting top 2311. The two abutting tops 2111 abut, so that the distance between the first clamping arm 21 and the second clamping arm 22 can be adjusted to accommodate pantographs of different sizes. In this embodiment, the elastic member 25 can be, but is not limited to, a spring, which is not limited in the present invention.

It should be noted that when the housing 3 moves along the carrier 1 to the position corresponding to both ends of the chute 6 , the static magnetic grid source 81 senses that the housing 3 is at the limit position. At this time, in order to prevent the housing 3 from separating from the chute 6 , the circuit board 51 stops driving the driving member 91 , and at this time, the casing 3 stops sliding along the carrier member 1 . When the driving member 91 stops driving, the casing 3 will hit the first clamping arm 21 due to inertia. In order to play a buffering role, the first clamping arm 21 can be set on the side of the first clamping arm 21 close to the casing 3 corresponding to the casing 3 The buffer block 24, the buffer block 24 can be provided on the first clamping arm 21 by but not limited to the way of pasting, and the material of the buffer block 24 can be, but not limited to, a rubber part, so that the impact of the casing 3 can be affected. The buffering effect prevents mechanical impact from loosening the connections between the various structures of the pantograph measuring device of the embodiment of the present invention.

In an embodiment of the present invention, the measuring device of the pantograph further includes a computer (not shown) connected in communication with the circuit board 51 . Preferably, the computer is a tablet computer, and the tablet computer and the circuit board 51 can be connected wirelessly (Bluetooth or Wifi). The profile curve and related data measured by the magnetic grating encoder 8 are transmitted to the tablet computer, and the tablet computer can use the analysis software to calculate the wear amount, thickness and service life of the carbon sliding plate, which does not require manual calculation and has high detection efficiency.

Please refer to FIG. 7 , and in conjunction with FIGS. 1 to 6 , an embodiment of the present invention further provides a method for measuring a pantograph, including the following steps:

Step S1, providing a pantograph, and placing the pantograph on a reference plane;

Step S2, providing the pantograph measuring device of the above-mentioned embodiment, the pantograph measuring device includes a ranging module 4, the initial position of the ranging module 4 is defined as the initial work position, and the final position of the ranging module 4 is the termination work. position, place the ranging module 4 on the pantograph and correspondingly at the initial position.

Step S3, moving the ranging module 4 in parallel along the length direction of the pantograph by one unit.

Step S4, detecting whether the ranging module 4 has reached the termination station;

If the ranging module 4 arrives at the termination station, step S6 is performed;

If the ranging module 4 has not reached the termination station, step S5 is executed.

Step S5, the ranging module 4 measures the distance between the ranging module 4 and the carbon slide of the pantograph, then converts the thickness corresponding to the position through the measured distance and stores the corresponding data, and then executes step 3.

Step S6, intercepting data corresponding to the position interval of the pantograph;

Step S7, removing the abnormal data points corresponding to the position interval of the pantograph;

Step S8: Calculate the average thickness and thickness standard deviation of the position interval corresponding to the pantograph, and display the measurement result.

Specifically, the above step S2 specifically includes the following steps: installing the mounting components 2 at both ends of the measuring device of the pantograph on the pantograph, and the two ends of the pantograph are respectively clamped on the corresponding first clamping arms 21 and the second clamps Tighten the arms 22, so that the pantograph's measuring device is detachably installed on the pantograph; then, the housing 3 is slid along the carrier 1, so that the ranging module 4 is located at the initial position correspondingly.

Specifically, the above step S3 specifically includes the following steps, driving the power roller 93 to roll on the surface of the bearing member 1 through the driving member 91, so that the housing 3 slides one unit along the direction parallel to the bearing member 1. In this embodiment, Each unit can be 1 cm or other length, which is not limited in the present invention.

Specifically, in the above step S4, the position of the housing 3 on the carrier 1 can be confirmed by the magnetostatic grating encoder 8, the magnetostatic grating source 81 reads its position relative to the magnetostatic grating ruler 82, and then transmits the position information onto the circuit board 51 , so that the circuit board 51 can confirm whether the ranging module 4 reaches the termination position. When the ranging module 4 reaches the termination position, the circuit board 51 stops supplying power to the ranging module 4 and the driver 91 .

Specifically, in the above step S5, the ranging module 4 measures the distances between the ranging module 4 corresponding to multiple positions of the pantograph and the carbon sliding plate of the pantograph, and then stores the measured distance data on the circuit board superior.

Specifically, the above steps S6 to S8 are implemented by a computer. The circuit board 51 imports the distance data into the computer. Intercept the distance data corresponding to the position interval of the pantograph, remove the abnormal data points corresponding to the position interval of the pantograph, and use the distance between the ranging module 4 corresponding to the remaining multiple positions and the carbon slide of the pantograph to draw The profile curve of the carbon skateboard, compare the profile curve of the carbon skateboard with the profile curve of the new carbon skateboard, the wear amount of the carbon skateboard corresponding to different positions can be obtained, and the thickness of the new carbon skateboard is subtracted from the wear amount to obtain the carbon skateboard. The thickness of the slide plate corresponds to the position, and then the average thickness and thickness standard deviation of the position interval corresponding to the pantograph are calculated, and then the final measurement result is obtained.

In the method for measuring the pantograph in the embodiment of the present invention, the distance between the ranging module 4 corresponding to multiple positions and the carbon slide plate of the pantograph is measured by moving the ranging module 4 in parallel along the length direction of the pantograph, The distance between the ranging module 4 corresponding to multiple positions and the carbon slide plate of the pantograph is subtracted from the standard distance corresponding to the position, so as to obtain the wear amount of the carbon slide plate corresponding to multiple positions, and the thickness of the new carbon slide plate is calculated. The thickness of the carbon slide plate corresponding to multiple positions can be obtained by subtracting the wear amount. The thickness of the carbon slide plate corresponding to multiple positions can be measured by the above method, and then the abnormal thickness points are removed, and the average thickness and thickness standard deviation are calculated to obtain the carbon slide plate thickness. Compared with the measurement method of the prior art, the thickness result of the slide plate does not need manual measurement, which effectively avoids human error and can effectively improve the detection accuracy.

The above descriptions are only optional embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. a kind of measuring device of pantograph, which is characterized in that including load-bearing part, be respectively arranged on the load-bearing part both ends and be used for The mounting assembly that is removably mounted in pantograph is slidably connected on the load-bearing part and can be along the length side of the load-bearing part To the shell to move reciprocatingly, and the range finder module on the shell, the range finder module is for measuring the ranging The distance between the carbon slipper of module and the pantograph.

2. the measuring device of pantograph as described in claim 1, which is characterized in that the shell includes being set to the load-bearing part Side and the mounting plate being slidably connected with the load-bearing part are connected to the mounting plate close to the upper of the side of the load-bearing part Lid, and it is connected to the lower cover of side of the mounting plate far from the load-bearing part, the load-bearing part is set to the upper cover and institute It states between mounting plate, the range finder module is set on the mounting plate.

3. the measuring device of pantograph as claimed in claim 2, which is characterized in that the load-bearing part along its length opposite Two sides are respectively equipped with sliding slot, the sliding slot are respectively corresponded on the mounting plate equipped with roller unit, each roller unit is sliding It is dynamic to be connected in the corresponding sliding slot.

4. the measuring device of pantograph as claimed in claim 2, which is characterized in that the measuring device of the pantograph further includes Magnetostatic grid encoder, the magnetostatic grid encoder includes the magnetostatic grid source on the mounting plate, and is set to the carrying On part and correspond to the quiet magnetic railings ruler that the magnetostatic grid source is arranged.

5. the measuring device of pantograph as claimed in claim 2, which is characterized in that the measuring device of the pantograph further includes Actuator on the mounting plate, and the power idler wheel connecting with the output end of the actuator, the actuator are used In the driving power idler wheel in the surface scrolls of the load-bearing part.

6. the measuring device of pantograph as described in claim 1, which is characterized in that the mounting assembly includes and the carrying The telescoping mechanism that first clamp arm of the end connection of part, one end are connect with first clamp arm, and it is connected to described stretch Second clamp arm of the one end of contracting mechanism far from first clamp arm.

7. the measuring device of pantograph as claimed in claim 6, which is characterized in that the telescoping mechanism includes connecting shaft, with And it is set in the elastic component outside the connecting shaft, one end of the connecting shaft is equipped with the first top, and the connecting shaft is far from institute The one end for stating the first top is connect with second clamp arm, and first clamping limb is equipped with first through hole, the connecting shaft One end of correspondence first top extend in the first through hole, the inner wall of the first through hole is convexly equipped with positioned at institute State the second top between the first top and second clamp arm, one end of the elastic component and first top It abuts, the one end of the elastic component far from first top is abutted with second top.

8. the measuring device of pantograph as described in any one of claim 1 to 7, which is characterized in that the measurement of the pantograph Device further includes the circuit board on the shell and with range finder module electric connection, and electrical with the circuit board The battery of connection, the circuit board are used to power and store for the range finder module data of the range finder module measurement.

9. the measuring device of pantograph as claimed in claim 8, which is characterized in that the measuring device of the pantograph further includes With the computer of the circuit board communication connection.

10. a kind of measurement method of pantograph, which comprises the following steps:

Step S1, pantograph is provided, the pantograph is placed on a datum plane；

Step S2, range finder module is provided, the initial position for defining the range finder module is initial station, and the range finder module is most Final position is set to termination station, and the range finder module is placed in the pantograph and is corresponded to positioned at the initial station；

Step S3, the length direction along the pantograph moves in parallel one unit of the range finder module；

Step S4, detect whether the range finder module reaches the termination station；

If the range finder module reaches the termination station, S6 is thened follow the steps；

If the range finder module does not reach the termination station, S5 is thened follow the steps；

Step S5, the described range finder module measures the distance between the range finder module and the carbon slipper of the pantograph and stores phase Then the data answered execute step 3；

Step S6, the data in the position section of the corresponding pantograph of interception；

Step S7, the data exception point in the position section of the corresponding pantograph of removal；

Step S8, average thickness and the thickness calibration for calculating the position section of the corresponding pantograph are poor, show measurement result.