CN112379004A - A remove loading device for track disease discernment - Google Patents
A remove loading device for track disease discernment Download PDFInfo
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- CN112379004A CN112379004A CN202011431205.7A CN202011431205A CN112379004A CN 112379004 A CN112379004 A CN 112379004A CN 202011431205 A CN202011431205 A CN 202011431205A CN 112379004 A CN112379004 A CN 112379004A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/346—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with amplitude characteristics, e.g. modulated signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
Abstract
The invention provides a mobile loading device for track disease identification, which comprises a loading mechanism, a sensor, a controller, a power supply, a power driving device and a chassis. The loading mechanism is provided with a loading motor and a loading force hammer, and loads and excites the track. And the end part of the loading force hammer is provided with a force sensing head for feeding back force hammer loading data to the controller. The sensor is connected with the controller circuit and used for acquiring response information fed back by the excited track. The chassis is used for bearing the loading mechanism, the sensor, the controller, the power supply and the power driving device. The chassis is provided with a road wheel which is in driving connection with the power driving device. The mobile loading device provided by the invention can overcome the defects that the detection is unstable due to manual experience and personal operation habits, the detection result judgment is not influenced by external illumination conditions and dirt on the surface of the structure to be detected, meanwhile, hidden diseases which cannot be found by a visual detection method can be detected, the hidden danger can be found as early as possible, and the existing structure safety problem can be eliminated in time.
Description
Technical Field
The invention relates to the technical field of track detection devices, in particular to a mobile loading device for track disease identification.
Background
Along with the rapid development of the Chinese rail transit, the operation mileage of the high-speed railway and the urban rail transit is continuously increased, and under the reciprocating action of train load, various different diseases are continuously generated on the rail structure, so that the requirements on line maintenance and track detection are continuously improved while the rail transit is rapidly developed, and the integrity of the rail structure is also the key for realizing the safe and stable operation of the train.
Most of the existing rail detection is a detection mode based on-site manual inspection and a laser technology and an image processing technology. For a field worker inspection mode, the mode depends on more operation experience of workers, the detection level discreteness of different operators in the operation process is large, and a universal and accurate detection mode and judgment method which do not depend on subjective experience of workers are lacked. For the rail structure disease inspection based on the laser technology and the image processing technology, the rail inspection vehicle loading and automatic detection are easy to realize, but the rail inspection vehicle loading and automatic detection are seriously influenced by the external illumination environment and the dirty condition of the structure surface, and meanwhile, certain difficulty also exists in the hidden disease detection of which the appearance is normal but the actual mechanical state is invalid.
Disclosure of Invention
The embodiment of the invention provides a mobile loading device for track disease identification, which is used for solving the technical problems that in the prior art, the detection of failure hidden diseases cannot be accurately carried out due to the defects of poor external illumination conditions, serious surface dirt of a structure to be detected, strong dependence of a detection method on the experience of workers, uneven manual knocking force, lack of systematicness of the detection method and the like.
In order to achieve the purpose, the invention adopts the following technical scheme.
A mobile loading device for track disease identification comprises a loading mechanism, a sensor, a controller, a power supply, a power driving device and a chassis;
the loading mechanism is provided with a loading motor and a loading force hammer, the loading motor drives the loading force hammer to load and excite the loading force hammer to a track, and the end part of the loading force hammer is provided with a force induction head used for feeding back force hammer loading data to the controller; the sensor is connected with the controller circuit and used for acquiring response information fed back by the excited track; the chassis is used for bearing the loading mechanism, the sensor, the controller, the power supply and the power driving device; the chassis is provided with a travelling wheel which is in driving connection with the power driving device, and the chassis can move along the track through the travelling wheel; the controller is also connected with the loading mechanism circuit, and the loading frequency of the loading force hammer is adjusted by changing the rotating speed of the loading motor; the loading mechanism can move relative to the chassis to change the distance between the loading force hammer and the track;
the power supply provides power to the mobile loading device.
Preferably, the loading force hammer is vertically arranged and is positioned above a certain side rail, and the loading motor is transversely arranged; the loading mechanism also comprises a rotating rod and a force hammer guide sleeve, one end of the rotating rod is connected with an output shaft of the loading motor, the other end of the rotating rod is movably connected with the force hammer, and the force hammer guide sleeve and the loading force hammer are mutually sleeved and vertically and fixedly installed; the loading motor drives the rotating rod to swing, so that the loading force hammer vertically moves; the loading mechanism can move vertically relative to the chassis to change the height of the loading force hammer relative to the track.
Preferably, the loading mechanism further comprises a force hammer connecting rod, and two ends of the force hammer connecting rod are respectively hinged with the rotating rod and the loading force hammer.
Preferably, the loading mechanism further comprises a mounting plate, one side of the mounting plate is sleeved with the output shaft of the loading motor, and the other side of the mounting plate is connected with the chassis.
Preferably, the number of the loading mechanisms is 3 pairs, and the loading mechanisms are positioned on two sides of the chassis.
Preferably, the sensor includes a vibration acceleration sensor for acquiring vibration acceleration data of the excited rail and a sound pressure sensor for acquiring sound pressure data of the excited rail.
Preferably, the road wheels are arranged in pairs; the power driving device comprises a servo motor and a worm gear reducer which are in driving connection with each other, and two ends of an output shaft of the worm gear reducer are respectively connected with a walking wheel.
Preferably, the device further comprises a mileage encoder, wherein the mileage encoder is respectively connected with the traveling wheels and the controller circuit and is used for acquiring and transmitting the speed and position information of the mobile loading device.
According to the technical scheme provided by the embodiment of the invention, the mobile loading device for identifying the track diseases comprises a loading mechanism, a sensor, a controller, a power supply, a power driving device and a chassis. The loading mechanism is provided with a loading motor and a loading force hammer, and loads and excites the track. And the end part of the loading force hammer is provided with a force sensing head for feeding back force hammer loading data to the controller. The sensor is connected with the controller circuit and used for acquiring response information fed back by the excited track. The chassis is used for bearing the loading mechanism, the sensor, the controller, the power supply and the power driving device. The chassis is provided with a travelling wheel which is in driving connection with the power driving device, and the chassis can move along the track through the travelling wheel. The controller is also connected with the loading mechanism circuit and is used for adjusting the loading frequency of the loading force hammer. The mobile loading device provided by the invention mainly solves the defects that the existing manual detection efficiency and accuracy are low, the image processing technology is greatly influenced by the external environment and the surface dirt of the structure, hidden diseases in the structure are not easy to perceive, and the like. The invention provides a mobile loading device for rail defect identification, which realizes the traveling of the rail defect identification device along the mileage direction of a road through a power driving module, applies a loading mechanism to apply load excitation to a rail structure, collects response data through a vibration acceleration sensor and a sound pressure sensor, analyzes and judges the information of rail defects more accurately and comprehensively according to test data, and realizes the improvement of the detection efficiency and accuracy of the rail defects. The movable loading device for track disease identification can overcome the instability of the traditional detection which is influenced by manual experience and personal operation habits, the detection result can not be judged and influenced by external illumination conditions and dirt on the surface of the structure to be detected, meanwhile, hidden diseases which cannot be found by a visual detection method can be detected, hidden dangers can be found as early as possible, and the existing structure safety problem can be timely eliminated.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an apparatus of a mobile loading device for track damage identification according to the present invention;
FIG. 2 is a top view of a mobile loading device for track damage identification provided by the present invention;
FIG. 3 is a bottom view of a mobile loading device for track damage identification provided by the present invention;
fig. 4 is a schematic structural diagram of a loading mechanism of the mobile loading device for identifying a track fault provided by the invention.
In the figure:
1. the chassis 2, the electrical control cabinet bracket 3, the electrical control cabinet 4, the power battery module 5, the loading mechanism 6, the walking wheel 7, the power driving device 8, the vibration acceleration sensor 9, the sound pressure sensor 10 and the mileage encoder are arranged on the chassis; 11. and a bearing support.
501. Loading motor 502, mounting plate 503, rotating rod 504, force hammer connecting rod 505, force hammer guide sleeve 506, loading force hammer 507 and force sensing head
701. Servo motor 702, worm gear reducer 703 and drive shaft.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For the convenience of understanding the embodiments of the present invention, the following description will be further explained by taking several specific embodiments as examples in conjunction with the drawings, and the embodiments are not to be construed as limiting the embodiments of the present invention.
According to the mobile loading device for identifying the track diseases, provided by the invention, the vibration noise signals under the action of applying external excitation load are collected, and the track diseases are identified according to the difference of response, so that accurate and timely detection and evaluation can be realized, the problem of bad state in a line can be found as early as possible, the hidden danger of a track structure can be captured, the occurrence of safety problems caused by sudden brittle fracture of the line in the service process can be ensured, and the normal and orderly operation of track traffic can be further realized.
Referring to fig. 1, the mobile loading device for identifying track diseases provided by the invention comprises a loading mechanism 5, a sensor, a controller, a power supply, a power driving device 7 and a chassis 1.
Referring to fig. 4, the loading mechanism 5 has a loading motor 501 and a loading force hammer 506, the loading motor 501 drives the loading force hammer 506 to strike the track, loading excitation is carried out on the track, and the end of the loading force hammer 506 is provided with a force sensing head 507 for feeding back force hammer loading data to the controller. In the present embodiment, the excitation force and the frequency domain distribution of the loading force hammer 506 are substantially the same, and the frequency band bandwidth range is large; the hammer loading data includes the loading frequency and the loading force amplitude of the loading hammer 506.
The sensor is connected with the controller circuit and used for acquiring response information fed back by the excited track in real time, wherein the response information comprises information such as vibration acceleration and sound pressure, and converting the acquired response information into an electric signal and transmitting the electric signal to the controller for further processing.
The chassis 1 is used to carry a loading mechanism 5, sensors, controls, power supply and power drive 7.
The chassis 1 is provided with a travelling wheel 6 which is in driving connection with a power driving device 7, and the chassis 1 can move along a track through the travelling wheel 6; the controller is also connected with the loading mechanism 5 in a circuit mode, and the loading frequency of the loading force hammer is adjusted by controlling the rotating speed of the loading motor 501. The loading mechanism 5 can move relative to the chassis, change the distance between the loading force hammer 506 and the track, and adjust the loading force amplitude of the loading force hammer 506.
The power supply supplies electric energy to the mobile loading device, and in the embodiment, the power supply is the power battery module 4.
The mobile loading device provided by the invention can ensure that the loading frequency and the hammering force amplitude of the loading force hammer 506 are stable values and not used as variable parameters through the stable output of the motor. And the presettable loading frequency and the loading force amplitude are further realized by combining the controller. The controller controls the rotational speed of the loading motor 501 according to the prior art, for example, by using digital pulse control, and the details are not repeated here. The loading mechanism 5 is moved relative to the chassis 1 in a manner known in the art, for example, by providing a rack and pinion structure on the loading mechanism 5 and the chassis 1, which are engaged with each other.
In the preferred embodiment provided by the present invention, the loading force hammer 506 is vertically disposed and above the unilateral rail, and the loading motor 501 is laterally disposed. The loading mechanism 5 further comprises a rotating rod 503 and a force hammer guide sleeve 505, one end of the rotating rod 503 is connected with an output shaft of the loading motor 501, the other end of the rotating rod 503 is movably connected with the force hammer, and the force hammer guide sleeve 505 and the loading force hammer 506 are mutually sleeved and vertically and fixedly installed. The rotating rod 503 functions as a transmission component, and the output shaft of the loading motor 501 rotates to drive the rotating rod 503 to swing up and down, so as to further drive the loading force hammer 506 to move up and down. The hammer guide sleeve 505 serves to guide the loading hammer 506 while preventing the loading hammer 506 from being deflected. The loading mechanism 5 moves vertically relative to the chassis 1, the height of the loading force hammer 506 relative to the track is changed, and the force amplitude of the loading force hammer 506 is adjusted.
In order to make the action of the loading force hammer 506 smoother, in a further improvement, the loading mechanism 5 further includes a vertically arranged force hammer connecting rod 504, and both ends of the force hammer connecting rod 504 are respectively hinged with the rotating rod 503 and the loading force hammer 506. The force hammer connecting rod 504 extends the force arm, and increases a degree of freedom, so that the swing amplitude of the rotating rod 503 can be reduced, and the installation space can be saved.
In the preferred embodiment of the present invention, the loading mechanism 5 is fixedly mounted on the chassis 1 by providing a mounting plate 502, as shown in the figure, the mounting plate 502 is an L-shaped structure, one side of which is sleeved with the output shaft of the loading motor 501 (a shaft sleeve may be provided), and the other side of which is fixedly connected with the chassis 1.
The number and arrangement of the whole loading mechanisms 5 can be set appropriately according to actual needs, for example, as shown in the figure, 3 pairs of 6 groups of loading mechanisms 5 are provided, and the loading mechanisms are symmetrically arranged on two sides of the chassis 1.
In the preferred embodiment provided by the invention, the controller is preferably an NIcRIO controller, the loading mechanism 5 can be automatically controlled by a preset program, the loading mechanism 5 based on signal control is adopted, the automatic loading of the force hammer is realized by controlling the loading frequency of the force hammer, the excitation force and the frequency domain distribution are basically consistent, the excitation load is a broadband signal, the vibration and noise response frequency band corresponding to the track damage can be excited, the nonuniformity of the artificial striking force amplitude can be solved, the excitation stability can be ensured, the excitation load form can be selected, the operability is strong, and the excitation applied at the same point of the structure has relatively consistent distribution.
In the preferred embodiment provided by the invention, the sensors comprise a vibration acceleration sensor 8 and a sound pressure sensor 9, wherein the vibration acceleration sensor 8 is used for acquiring vibration acceleration data of the excited rail, and the sound pressure sensor 9 is used for acquiring sound pressure data of the excited rail. The vibration acceleration sensor 8 and the sound pressure sensor 9 can ensure that vibration acceleration and sound pressure data are real and reliable, and are convenient for carrying out definite quantitative evaluation on various diseases. The problem of traditional detection method, rely on the workman through the mode of patrolling and examining in the skylight time usually, whether the visual rail has the crackle to appear, whether the track board has the sky or judges whether the fastener bullet strip bolt is not hard up or cracked according to the sound after knocking is solved, and more accurate than traditional dependence artificial experience judgement, and can in time discover and repair when the disease does not characterize comparatively obvious state.
In the preferred embodiment of the present invention, the mobile loading device further comprises a mileage encoder 10, wherein the mileage encoder 10 is electrically connected to the road wheels 6 and the controller, respectively, for acquiring and transmitting the speed and position information of the mobile loading device. The vibration acceleration, the sound pressure and the force hammer loading data force induction head which are tested on site by the mobile loading device are synchronously aligned with the mileage data information, so that the position of a disease can be accurately positioned, the complex process of manual recording is simplified, and meanwhile, the human errors in the manual recording process are eliminated.
In the embodiments provided by the present invention, the controller, the vibration acceleration sensor, the sound pressure sensor, the force sensing head and the odometer encoder can all be products of the prior art, and an example of the selection of the above instruments is provided in table 1.
TABLE 1 relevant Instrument model parameters
In the preferred embodiment provided by the invention, as shown in the figure, the chassis 1 of the mobile loading device adopts a rectangular frame type structure, the chassis 1 is manufactured by welding, and the material of the chassis 1 can adopt section steel. The two pairs of walking wheels 6 are respectively arranged on the front side and the rear side of the chassis 1, each walking wheel 6 is arranged on the outer side of the frame-type chassis 1, and a bearing support 11 is arranged at the mounting position of each walking wheel 6 and used for mounting a bearing/shaft sleeve. The controller and the power supply are positioned in the electrical control cabinet 3, a working state indicator lamp can be further arranged in the controller and the power supply, and an electrical control cabinet bracket 2 is further fixedly arranged on the chassis 1 and used for mounting and bearing the electrical control cabinet 3. In the present embodiment, the power source is preferably a power battery module 44. The power driving device 7 comprises a servo motor 701 and a worm gear reducer 702 which are mutually in driving connection, two ends of an output shaft of the worm gear reducer 702 penetrate through the reducer box body to extend out, and are respectively connected with a traveling wheel 6. The output shaft of the worm gear reducer 702 is the drive shaft 703. The power drive means 7 is preferably a set connectable to pairs of road wheels 6 on the front/rear side of the chassis 1 to form a forward or rear drive arrangement. The controller realizes the movement of the mobile loading device on the track by controlling the power driving device 7, for example, the initial position is placed at the position of the fastener, the mobile loading device is enabled to run at a constant speed, the travel distance is controlled to be a position at the interval between the fasteners, the travel is stopped, the loading mechanism 5 is controlled to knock the track, the purpose of signal excitation is realized, meanwhile, the vibration acceleration, the sound pressure and the force hammer loading data are collected in real time to be stored in real time, the corresponding shielding network cable is matched on site according to the collected vibration acceleration, the sound pressure and the force hammer loading signal type, the signals are prevented from being subjected to electromagnetic interference, the speed and the position of the mobile loading device are recorded by the mileage encoder 10, and the data and the mileage information of the alignment sensor can. The collected data is stored in the controller, and the data can be exported to a local computer through a data transmission interface on the controller for further offline data analysis. After the data signal at the position of one fastener section is collected, the controller controls the mobile loading equipment to continue to move to the position of the next fastener section at a constant speed, the loading and data collecting processes are carried out, and the line state detection in a certain distance range of the line is realized by repeating the processes. The normal working speed of the mobile loading device is 5km/h, the highest running speed is 30km/h, a detection range of 15km can be covered within 3 hours of one skylight, and compared with the traditional method, the detection efficiency is obviously improved.
The invention also provides an embodiment, which is used for displaying the working process of the mobile loading device:
the whole set of equipment is powered by the power battery module 4 to drive the power driving device 7 and the loading mechanism 5 to move forward, and the controller is used for controlling the mobile loading device to work through a program embedded in the controller;
the aim of signal excitation is achieved by controlling the loading mechanism 5 to knock the steel rail while controlling the moving loading device to advance, and excitation is applied to the track structure in a hammering mode, namely, the exciting force is basically consistent with the frequency domain distribution, and hammering load with a large frequency band bandwidth range is applied;
the method comprises the following steps of collecting data such as vibration acceleration, sound pressure, loading frequency and loading force amplitude in real time by using a sensor and a force sensing head, and performing real-time storage and online analysis;
synchronously aligning data such as vibration acceleration, sound pressure, loading frequency, loading force amplitude and the like acquired by a sensor and a force sensing head with mileage information of a mobile loading device recorded by a mileage encoder 10;
all the collected data are stored in the controller, and the data can be exported to a local computer through a data transmission interface on the controller for offline data analysis.
In summary, the mobile loading device for identifying track diseases provided by the invention comprises a loading mechanism, a sensor, a controller, a power supply, a power driving device and a chassis. The loading mechanism is provided with a loading motor and a loading force hammer, and loads and excites the track. And the end part of the loading force hammer is provided with a force sensing head for feeding back force hammer loading data to the controller. The sensor is connected with the controller circuit and used for acquiring response information fed back by the excited track. The chassis is used for bearing the loading mechanism, the sensor, the controller, the power supply and the power driving device. The chassis is provided with a travelling wheel which is in driving connection with the power driving device, and the chassis can move along the track through the travelling wheel. The controller is also connected with the loading mechanism circuit and is used for adjusting the loading frequency of the loading force hammer. The mobile loading device provided by the invention mainly solves the defects that the existing manual detection efficiency and accuracy are low, the image processing technology is greatly influenced by the external environment and the surface dirt of the structure, hidden diseases in the structure are not easy to perceive, and the like. The invention provides a mobile loading device for rail defect identification, which realizes the traveling of the rail defect identification device along the mileage direction of a road through a power driving module, applies a loading mechanism to apply load excitation to a rail structure, collects response data through a vibration acceleration sensor and a sound pressure sensor, analyzes and judges the information of rail defects more accurately and comprehensively according to test data, and realizes the improvement of the detection efficiency and accuracy of the rail defects. The movable loading device for track disease identification can overcome the instability of the traditional detection which is influenced by manual experience and personal operation habits, the detection result can not be judged and influenced by external illumination conditions and dirt on the surface of the structure to be detected, meanwhile, hidden diseases which cannot be found by a visual detection method can be detected, hidden dangers can be found as early as possible, and the existing structure safety problem can be timely eliminated.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
From the above description of the embodiments, it is clear to those skilled in the art that the present invention can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for apparatus or system embodiments, since they are substantially similar to method embodiments, they are described in relative terms, as long as they are described in partial descriptions of method embodiments. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A mobile loading device for track disease identification is characterized by comprising a loading mechanism, a sensor, a controller, a power supply, a power driving device and a chassis;
the loading mechanism is provided with a loading motor and a loading force hammer, the loading motor drives the loading force hammer to load and excite the loading force hammer to a track, and the end part of the loading force hammer is provided with a force induction head used for feeding back force hammer loading data to the controller; the sensor is connected with the controller circuit and used for acquiring response information fed back by the excited track; the chassis is used for bearing the loading mechanism, the sensor, the controller, the power supply and the power driving device; the chassis is provided with a travelling wheel which is in driving connection with the power driving device, and the chassis can move along the track through the travelling wheel; the controller is also connected with the loading mechanism in a circuit mode, and the loading frequency of the loading force hammer is adjusted by changing the rotating speed of the loading motor; the loading mechanism can move relative to the chassis to change the distance between the loading force hammer and the track;
the power supply provides power to the mobile loading device.
2. The mobile loading unit of claim 1, wherein the loading force hammer is arranged vertically and above a side rail, and the loading motor is arranged laterally; the loading mechanism further comprises a rotating rod and a force hammer guide sleeve, one end of the rotating rod is connected with an output shaft of the loading motor, the other end of the rotating rod is movably connected with the force hammer, and the force hammer guide sleeve and the loading force hammer are mutually sleeved and vertically and fixedly installed; the loading motor drives the rotating rod to swing, so that the loading force hammer vertically moves; the loading mechanism can move vertically relative to the chassis to change the height of the loading force hammer relative to the track.
3. The mobile loading unit of claim 2, wherein the loading mechanism further comprises a hammer connecting rod, both ends of which are hinged to the rotating rod and the loading hammer, respectively.
4. The mobile loading unit of claim 3, wherein the loading mechanism further comprises a mounting plate that is nested with the output shaft of the loading motor on one side and is connected to the chassis on the other side.
5. The mobile loading unit of claim 4, wherein the number of loading mechanisms is 3 pairs, located on both sides of the chassis.
6. The mobile loading device of claim 1, wherein the sensor comprises a vibration acceleration sensor and a sound pressure sensor, the vibration acceleration sensor is configured to obtain vibration acceleration data of the excited rail, and the sound pressure sensor is configured to obtain sound pressure data of the excited rail.
7. The mobile loading unit of claim 1, wherein the road wheels are arranged in pairs; the power driving device comprises a servo motor and a worm gear reducer which are in driving connection with each other, and two ends of an output shaft of the worm gear reducer are respectively connected with the traveling wheels.
8. The mobile loading unit of claim 1, further comprising a mileage encoder electrically connected to the travel wheels and the controller, respectively, for acquiring and transmitting speed and position information of the mobile loading unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011431205.7A CN112379004A (en) | 2020-12-09 | 2020-12-09 | A remove loading device for track disease discernment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011431205.7A CN112379004A (en) | 2020-12-09 | 2020-12-09 | A remove loading device for track disease discernment |
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| CN112379004A true CN112379004A (en) | 2021-02-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401165A (en) * | 2021-06-28 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Steel rail fastener loosening detection robot and detection method thereof |
| CN113581245A (en) * | 2021-08-09 | 2021-11-02 | 上海应用技术大学 | Automatic detection system for track slab hidden diseases |
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2020
- 2020-12-09 CN CN202011431205.7A patent/CN112379004A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401165A (en) * | 2021-06-28 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Steel rail fastener loosening detection robot and detection method thereof |
| CN113581245A (en) * | 2021-08-09 | 2021-11-02 | 上海应用技术大学 | Automatic detection system for track slab hidden diseases |
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