CN109490322B - Rigid contact net detection equipment and method - Google Patents
Rigid contact net detection equipment and method Download PDFInfo
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- CN109490322B CN109490322B CN201710816198.4A CN201710816198A CN109490322B CN 109490322 B CN109490322 B CN 109490322B CN 201710816198 A CN201710816198 A CN 201710816198A CN 109490322 B CN109490322 B CN 109490322B
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 230000001502 supplementing effect Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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Abstract
The invention relates to the technical field of rigid contact net detection, and provides a device and a method for detecting a rigid contact net aiming at the problems existing in the prior art. And detecting the bottom of the bus bar of the rigid contact net through detection equipment or a detection method. The detection device is convenient to carry, simple to operate, high-precision in measurement and the like. According to the invention, the support units bridged on the upper surfaces of the two ends of the rigid contact net bus bar enable the rigid contact net detection equipment to generate displacement on the rigid contact net bus bar; the n shooting units are arranged at the bottom of the inner side of the supporting device, shooting equipment is started according to the trigger signal, and meanwhile, an image of the bottom of the rigid contact net busbar is shot; and then the data processing unit connected with the shooting unit stores and processes the image information acquired by the shooting equipment.
Description
Technical Field
The invention relates to the technical field of rigid contact net detection, in particular to a device and a method for detecting a rigid contact net.
Background
With the rapid development of economy, the construction of railway tunnels in China is increasingly favored by people. Along with the increasing number of urban rail transit, the construction technology of the urban rail transit of the railway in China is also greatly developed. The rigid suspension contact net mainly comprises a busbar, a contact line, an insulator, a supporting device and a ground wire. Wherein the busbar acts both as inlay for the fixed contact wire and as part of the conductive cross section. The bus bar is divided into a T type and a pi type according to the different cross sectional shapes of the bus bars. At present, pi-type products are more adopted in China, and the localization rate is higher. The rigid suspension of the pi-shaped structure is characterized in that firstly, the structure is convenient to install and erect, and when the contact line is erected, a special sliding type placement is usedThe wire trolley can enable the contact wire to be embedded into the bus bar clamping groove by utilizing the elastic force of the n-shaped structure; secondly, the structure is stable, and the contact line is fixed by clamping force at two sides, so that the operation stability is good. There are currently two types of single contact wire bus, one being of PAC80 type 80mm in height and the other being of PAC110 type 110mm in height. Wherein the PAC110 type cross-sectional area is 2213mm 2 Each section is about 12.5m long. The rigid contact net has the characteristics of compact structure, no hidden danger of broken wires, low reliability, low cost and the like, but compared with the flexible contact net, the rigid contact net has the characteristics of insufficient elasticity, abnormal abrasion of wires, high requirement on installation precision and small positioning point spacing. The allowable speed of the rigid contact net is generally 80-120 km/h.
However, after the bottom of the rigid contact net busbar is operated for a long time, abrasion usually occurs, so that the current-collecting stability of the arch net is affected. In order to ensure the safety of driving, the bottom condition of the bus bar of the rigid contact network needs to be detected regularly.
In the past, no equipment for testing the bottom of the bus bar of the rigid contact network exists, the residual height of the bottom of the bus bar of the rigid contact network can be measured only by taking a vernier caliper, and the bottom of the bus bar of the rigid contact network can not be completely measured, so that the bottom of the bus bar of the rigid contact network can not be accurately quantified and compared and analyzed with the bottom of the bus bar of the standard rigid contact network. The method is generally manually measured, so that the measuring speed is low, the measuring efficiency is low, the bottom abrasion condition of the rigid contact net busbar cannot be truly reflected, and the method is difficult to repair and adjust in a targeted manner according to different abrasion conditions.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problems existing in the prior art, the rigid contact net detection equipment and method are provided. And detecting the bottom of the bus bar of the rigid contact net through detection equipment or a detection method. The detection device is convenient to carry, simple to operate, high-precision in measurement and the like.
The technical scheme adopted by the invention is as follows:
the rigid contact net detection method comprises the following steps:
the support units are bridged on the upper surfaces of the two ends of the rigid contact net bus bar, so that the rigid contact net detection equipment generates displacement on the rigid contact net bus bar;
the n shooting units are arranged at the bottom of the inner side of the supporting device, shooting equipment is started according to the trigger signal, and meanwhile, an image of the bottom of the rigid contact net busbar is shot;
then the data processing unit connected with the shooting unit stores and processes the image information acquired by the shooting equipment (wherein the image processing is to judge whether the bottom end face of the contact net busbar is normal or not by adopting a manual mode);
the trigger signal is generated by the internal trigger mode or the external trigger mode of the shooting equipment.
Further, the supporting unit comprises two protruding parts and a supporting part, wherein the two protruding parts generate displacement, and the protruding parts are protruding structures which can relatively slide relative to the upper surface of the bus bar of the rigid contact net; the supporting part is of a structure with an opening; the protruding parts are arranged at two ends of the opening of the supporting part.
Further, the method for detecting the rigid contact net further comprises m light supplementing light sources, wherein the light supplementing light sources are used for supplementing light to the shooting unit.
Further, the n photographing units are sequentially arranged along the axis direction of the bus bar and are arranged at the middle point of the width direction of the supporting unit; n is 1 or more.
Further, the shooting equipment is fixed at the bottom of the inner side of the supporting device through the shooting equipment angle adjusting mechanism and the shooting equipment mounting base; the light supplementing light sources are respectively fixed at the bottom of the inner side of the supporting unit through the light source angle adjusting mechanism and the light source mounting base.
A rigid contact net detection device includes:
the support units are used for bridging the upper surfaces of the two ends of the rigid contact net bus bar, so that the rigid contact net detection equipment generates displacement on the rigid contact net bus bar; the method comprises the steps of,
the n shooting units are arranged at the bottom of the inner side of the supporting device and are used for being arranged in the supporting unit, starting shooting equipment according to a trigger signal and shooting the bottom image of the bus bar of the rigid contact net; the method comprises the steps of,
the data processing unit is used for storing and processing the image information acquired by the shooting equipment;
the trigger signal is generated by the internal trigger mode or the external trigger mode of the shooting equipment.
Further, the supporting unit comprises two protruding parts and a supporting part, wherein the two protruding parts generate displacement, and the protruding parts are protruding structures which can relatively slide relative to the upper surface of the rigid contact net busbar; the supporting part is of a structure with an opening; the protruding parts are arranged at two ends of the opening of the supporting part.
Further, the rigid contact net detection device further comprises m light supplementing light sources, and the m light supplementing light sources are used for supplementing light to the shooting unit.
Further, the n photographing units are sequentially arranged along the axis direction of the bus bar and are arranged at the middle point of the width direction of the supporting unit; n is 1 or more.
Further, the shooting equipment is fixed at the bottom of the inner side of the supporting device through the shooting equipment angle adjusting mechanism and the shooting equipment mounting base; the light supplementing light sources are respectively fixed at the bottom of the inner side of the supporting unit through the light source angle adjusting mechanism and the light source mounting base.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the rigid contact net detection equipment realizes breakthrough of detection zero of the portable rigid contact net.
2. The rigid contact net detection equipment has the characteristics of convenience in carrying, simplicity in operation, high-precision static detection, imaging record and the like of the traditional portable detection equipment, and meanwhile has the advantages of dynamic real-time, continuous and high-precision shooting measurement and the like.
3. The rigid contact net detection equipment realizes uninterrupted continuous measurement by sliding on the rigid contact, and effectively reduces the labor intensity and the working efficiency of staff.
4. The rigid contact net detection equipment is bridged on the upper surfaces of the two ends of the rigid contact net bus bar through the protruding part, so that the relative distance between the shooting equipment and the bottom image of the rigid contact net bus bar is kept unchanged, and the shooting precision is improved.
5. According to the rigid contact net detection method, the trigger mode of the shooting equipment is utilized, the rigid contact net detection equipment can be acquired in an internal trigger whole-course continuous shooting mode, and the sensor can be used for outputting corresponding signals to be processed through the trigger unit, so that the shooting equipment is controlled to acquire rigid contact net detection data at fixed points.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram corresponding to a front view and a side view of the device.
Fig. 2 is a top view of the present device.
The marks in the figure: 1-rigid contact net busbar top 2-protrusion 3-support
4-a bottom lead of a rigid contact net busbar 5-a light supplementing light source 6-shooting equipment.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Description of the invention:
1) The photographing apparatus refers to an apparatus such as a camera that can collect environmental image information.
2) The data processing unit is a processor having data processing capabilities.
3) The support unit includes two protrusions and a support portion that generate displacement. The supporting part is a U-shaped groove, for example, a structure with a flat bottom and an open top or a structure with a concave-convex bottom and an open top; the protruding portion is a structure such as a pulley or a slider that slides on the upper surface of the rigid contact net busbar.
4) The triggering unit can process the signal output by the sensor and output a corresponding control signal to the shooting equipment, so that the shooting equipment is triggered to shoot a corresponding image when corresponding to the sensor signal.
5) The sensor may be a sensor that can trigger the photographing device to photograph an image after generating a signal by a displacement sensor, a turbine sensor, a distance sensor, etc.
6) The internal triggering mode refers to triggering the shooting equipment to continuously shoot images of all rigid contact network buses of the detected road section in the whole process.
7) The shooting equipment angle adjusting mechanism and the light supplementing light source angle adjusting mechanism are all three-degree-of-freedom adjusting mechanisms, so that the shooting equipment or the light supplementing light source can freely rotate. The shooting equipment installation base and the light supplementing light source installation base are common installation bases and are used for fixing the magnetic pillow shooting equipment through the shooting equipment angle adjusting mechanism correspondingly, and the light supplementing light source is fixed through the light supplementing light source angle adjusting mechanism.
The invention comprises the following steps:
1) The support units are used for bridging the upper surfaces of the two ends of the rigid contact net bus bar, so that the rigid contact net detection equipment generates displacement on the rigid contact net bus bar;
the support unit comprises two protruding parts and a support part, wherein the two protruding parts generate displacement, and the protruding parts are protruding structures which can relatively slide relative to the upper surface of the bus bar of the rigid contact net; the supporting part is of a structure with an opening; the protruding parts are arranged at two ends of the opening of the supporting part.
2) The n shooting units are arranged at the bottom of the inner side of the supporting device and are used for being arranged in the supporting unit, starting shooting equipment according to a trigger signal and shooting the bottom image of the bus bar of the rigid contact net;
the trigger signal is generated by the shooting equipment in an internal trigger mode or the trigger signal is generated by the shooting equipment in an external trigger mode; the specific process of generating the trigger signal by the external trigger mode is as follows: after the sensor arranged in the supporting unit outputs a signal, the triggering unit arranged in the supporting unit generates a triggering signal after processing.
The bottom of the bus bar of the rigid contact net is shot by n shooting devices respectively and simultaneously; the n shooting units are sequentially arranged along the axis direction of the bus bar, and the shooting units are arranged at the middle points of the width direction of the supporting units; n is 1 or more.
Shooting equipment is fixed in the inboard bottom of strutting arrangement through shooting equipment angle adjustment mechanism and shooting equipment installation base.
3) And the data processing unit is used for storing and processing the image information acquired by the shooting equipment.
The data processing unit is connected with the shooting equipment in a wired mode and is arranged in the supporting unit or at any position capable of being connected with the shooting equipment in a wireless mode.
4) In addition, the detection device further comprises m light supplementing light sources; m is 1 or more.
The light supplementing light sources are respectively fixed at the bottom of the inner side of the supporting unit through the light source angle adjusting mechanism and the light source mounting base.
Embodiment one: the device comprises a displacement sensor, 2 cameras, a triggering unit, a data processing unit and a supporting unit; the camera, the triggering unit and the data processing unit are arranged at the bottom of the supporting unit; the supporting unit is clamped on the upper surface of the rigid contact net busbar through pulleys at two ends of the supporting part; the camera is in signal connection with the data processing unit; the data processing unit is used for receiving the image data output by the camera. When the displacement sensor detects that the displacement reaches a set value, the triggering unit acquires a signal sent by the displacement sensor, and the triggering unit processes the signal to generate a signal to trigger the shooting device to shoot an image of the current scene.
In addition, the device comprises a lithium battery which is fixed on the supporting part of the supporting unit and is used for supplying power to the data processing unit, the shooting equipment and the light supplementing light source.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (1)
1. The rigid contact net detection method is characterized by comprising the following steps of:
the support units are bridged on the upper surfaces of the two ends of the rigid contact net bus bar, so that the rigid contact net detection equipment generates displacement on the rigid contact net bus bar;
the n shooting units are arranged at the bottom of the inner side of the supporting device, shooting equipment is started according to the trigger signal, and meanwhile, an image of the bottom of the rigid contact net busbar is shot;
then the data processing unit connected with the shooting unit stores and processes the image information acquired by the shooting equipment;
the rigid catenary detection device includes:
the support units are used for bridging the upper surfaces of the two ends of the rigid contact net bus bar, so that the rigid contact net detection equipment generates displacement on the rigid contact net bus bar; the method comprises the steps of,
the n shooting units are arranged at the bottom of the inner side of the supporting device and are used for being arranged in the supporting unit, starting shooting equipment according to a trigger signal and shooting the bottom image of the bus bar of the rigid contact net; the method comprises the steps of,
the data processing unit is used for storing and processing the image information acquired by the shooting equipment;
the trigger signal is generated by the internal trigger mode or the external trigger mode of the shooting equipment;
the support unit comprises two protruding parts and a support part, wherein the two protruding parts generate displacement, and the protruding parts are protruding structures which can relatively slide relative to the upper surface of the rigid contact net busbar; the supporting part is of a structure with an opening; the protruding parts are arranged at two ends of the opening of the supporting part;
the camera also comprises m light supplementing light sources which are used for supplementing light to the shooting unit;
the n shooting units are sequentially arranged along the axis direction of the bus bar, and the shooting units are arranged at the middle points of the width direction of the supporting units; n is greater than or equal to 1;
the shooting equipment is fixed at the bottom of the inner side of the supporting device through a shooting equipment angle adjusting mechanism and a shooting equipment mounting base; the light supplementing light sources are respectively fixed at the bottom of the inner side of the supporting unit through the light source angle adjusting mechanism and the light source mounting base;
the shooting equipment angle adjusting mechanism and the light source angle adjusting mechanism are all three-degree-of-freedom adjusting mechanisms.
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| CN201710816198.4A CN109490322B (en) | 2017-09-12 | 2017-09-12 | Rigid contact net detection equipment and method |
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| CN109490322A (en) | 2019-03-19 |
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