Fault diagnosis inductive probe equipment suitable for rail transit vehicle running gear

Abstract

The utility model discloses fault diagnosis inductive probe equipment suitable for a running gear of a rail transit vehicle. The fault diagnosis inductive probe equipment comprises a supporting base frame, a first threaded rod, a threaded sliding block, a mounting block, an inductive probe, a probe cleaning assembly and the like. A first threaded rod is rotatably connected to the outer wall of the supporting rod, a rotary knob is fixedly connected to one end of the first threaded rod, a threaded sliding block slidably connected with the outer wall of the supporting rod is in threaded connection with the outer wall of the first threaded rod, and a fixing groove is formed in the connecting portion of the outer wall of the supporting rod and the threaded sliding block. A servo motor can be turned on regularly, a second threaded rod rotates to drive a threaded sliding rod to slide along the inner wall of a sliding groove, sliding of the threaded sliding rod drives a cleaning scraper to conduct reciprocating cleaning motion along the surface of the inductive probe, and the effect of improving the fault diagnosis precision of the inductive probe is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to induction probe technical field, concretely is a kind of fault diagnosis induction probe equipment suitable for track traffic vehicle running part. BACKGROUND

[0002] Vehicle running part fault diagnosis induction probe equipment is one of the key technical equipment to ensure vehicle operation safety, and its technical development has made remarkable progress in recent years.The equipment is usually composed of composite sensor, front-end processor, vehicle extension, train master.The composite sensor integrates temperature, vibration, impact and other multiple physical quantity detection modules, is installed in axle box, motor, gear box and other key parts, and is used to collect the state data of running part in real time.The front-end processor is responsible for managing the signals collected by the sensor, pre-processing and transmitting data to the vehicle extension.The vehicle extension further processes data, realizes fault diagnosis and communicates with the train master.The train master centrally manages the entire system, including receiving speed signal, cooperating with vehicle extension, displaying diagnosis result, storing data and other functions.

[0003] Vehicle running part fault diagnosis induction probe equipment is mainly divided into diagnosis system based on vibration analysis, diagnosis system based on temperature monitoring and intelligent diagnosis system of comprehensive monitoring of multiple physical quantities.Vibration analysis system detects the vibration signal of running part, extracts fault characteristics using resonance demodulation technology, realizes early warning of bearing, gear and other component faults.Temperature monitoring system measures the temperature change of key components to determine whether there is abnormal heating, and then diagnoses the fault.Intelligent diagnosis system integrates multiple monitoring methods, combines big data analysis and intelligent algorithms, and can more comprehensively and accurately diagnose running part faults.In terms of working principle, vehicle running part fault diagnosis induction probe equipment is mainly based on generalized resonance and resonance demodulation technology.By collecting the vibration signal of running part, resonance demodulation technology is used to extract weak fault impact information, and it is converted into recognizable characteristic signal, so as to realize early detection of fault.In addition, some systems also combine speed tracking sampling technology, which can adapt to the fault diagnosis needs under different running speeds.The application of these technologies makes fault diagnosis more accurate, and can timely issue early warning in the early stage of fault, providing strong support for vehicle maintenance and overhaul.

[0004] In recent years, the technology of vehicle running gear fault diagnosis sensing probe equipment has developed rapidly. On the one hand, the sensor technology is constantly improving, which greatly improves the detection accuracy and reliability. On the other hand, the optimization of intelligent diagnosis algorithm and the application of big data technology further improve the accuracy and efficiency of fault diagnosis. At the same time, with the development of Internet of Things technology, the establishment of vehicle-ground data transmission channel enables the real-time transmission of vehicle running gear state data to the ground monitoring center, realizing remote monitoring and intelligent operation and maintenance. However, despite the significant progress in technology, there are still some challenges in practical application, such as fault feature extraction under complex working conditions, algorithm optimization of multi-source data fusion, etc. In the future, with the further development of artificial intelligence, Internet of Things and other technologies, vehicle running gear fault diagnosis sensing probe equipment is expected to achieve higher intelligent level and wider application.

[0005] The prior art with publication number CN 214621268 U discloses a rail transit running gear fault diagnosis sensing probe structure, which comprises a sensing probe, the sensing probe is movably clamped on a clamping assembly, the clamping assembly contains a rotating seat and a U-shaped clamp, the rotating seat is fixedly connected to the two sides of a supporting plate, the fixed rod is fixedly connected to the two sides of the top of the supporting plate, the telescopic cylinder is fixedly installed on the opposite side of the fixed rod, the compression spring is placed in the telescopic cylinder, the top end of the compression spring is fixedly connected to the telescopic rod, the telescopic cylinder movably sleeves the telescopic rod, the sliding block fixedly connected to the screw rod moves downward, after moving to a suitable height, the support rod connected to the sliding block also reaches a suitable position, at this time, the rotating seat is adjusted to determine the position of the sensing probe, and then the work can be started, the principle is simple and the operation is convenient, wherein the support column is fixedly installed on the front surface and a plurality of sensing lamps are placed in the support column to play a warning role and prevent accidental impact on the support column due to dark environment in the track.

[0006] However, the fault diagnosis sensing probe equipment suitable for rail transit vehicle running gear has the problem that although it can perform better diagnosis operation on the fault of the rail transit running gear, the reciprocating cleaning effect of dust on the surface of the sensing probe is not high, and the cleaning effect of the cleaning scraper is not high when the cleaning scraper is disassembled and assembled, which affects the clarity of the subsequent surface cleaning of the sensing probe. Therefore, in view of the above problems, the existing structure is improved, and a fault diagnosis sensing probe equipment suitable for rail transit vehicle running gear is provided. Content of the utility model

[0007] The utility model aims at providing a fault diagnosis sensing probe equipment suitable for rail transit vehicle running gear to solve the problem of better diagnosis operation on the fault of the rail transit running gear in the above background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] A fault diagnosis induction probe device suitable for rail transit vehicle running gear, comprising a support base frame (1), further comprising a first threaded rod (2), a threaded sliding block (4), a mounting block (6), an induction probe (7) and a probe cleaning assembly; the middle side of the support base frame (1) is rotatably connected with the first threaded rod (2), one end of the first threaded rod (2) is fixedly connected with a knob (3), the outer wall of the first threaded rod (2) is threadedly connected with the threaded sliding block (4) which is slidably connected with the outer wall of the support base frame (1), the connecting part of the outer wall of the support base frame (1) and the threaded sliding block (4) is provided with a fixed groove (5), the outer wall of the threaded sliding block (4) is fixedly connected with the mounting block (6), and the outer wall of the mounting block (6) is detachably connected with the induction probe (7); the threaded sliding block (4) and the fixed groove (5) constitute a sliding structure through the first threaded rod (2).

[0010] The probe cleaning assembly comprises a connecting frame (8), a servo motor (9), a second threaded rod (10), a threaded sliding rod (11), a sliding groove (12) and a cleaning scraper (13); the outer wall of the connecting frame (8) is fixedly connected with the servo motor (9), the output end of the servo motor (9) is fixedly connected with the second threaded rod (10) which is rotatably connected with the inner side wall of the connecting frame (8), the outer wall of the second threaded rod (10) is threadedly connected with the threaded sliding rod (11) which is slidably connected with the inner side wall of the connecting frame (8), and the connecting part of the inner side wall of the connecting frame (8) and the threaded sliding rod (11) is provided with the sliding groove (12); the threaded sliding rod (11) and the sliding groove (12) constitute a sliding structure through the second threaded rod (10); the outer wall of the threaded sliding rod (11) is detachably connected with the cleaning scraper (13) located on one side of the induction probe (7); the induction probe (7), the threaded sliding rod (11) and the cleaning scraper (13) constitute a cleaning structure through the sliding groove (12).

[0011] Preferably, the outer wall of the cleaning scraper (13) is fixedly connected with the plug block (14) which is engagedly connected with the outer wall of the threaded sliding rod (11), the connecting part of the inner wall of the threaded sliding rod (11) and the plug block (14) is provided with the plug groove (15), and the inner wall profile of the plug groove (15) is matched with the outer wall profile of the plug block (14); the outer wall of the threaded sliding rod (11) is provided with the nut (16), the inner wall of the nut (16) is threadedly connected with the threaded bolt (17) which is slidably connected with the outer wall of the cleaning scraper (13), and the connecting part of the outer wall of the cleaning scraper (13) and the threaded bolt (17) is provided with the clamping groove (18); the inner wall profile of the clamping groove (18) is matched with the outer wall profile of the threaded bolt (17).

[0012] Preferably, the length of the cleaning scraper (13) is greater than the height of the induction probe (7), the induction probe (7) is arranged in the movement coverage range of the cleaning scraper (13); the surface of the inner side of the cleaning scraper (13) in contact with the probe is provided with a layer of wool material for cleaning, and the gap between the installation opposite contact surface of the probe and the layer of wool material is-2mm~+2mm.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The utility model discloses a cleaning scraper is arranged, when through induction probe auxiliary rail transit carries out fault diagnosis, in order to prevent the induction probe surface adsorbed dust and influence the error of fault diagnosis, can open the servo motor through the rotation of the second threaded rod regularly, drives the threaded slide rod to slide along the inner wall of the sliding groove, and the threaded slide rod slides and drives the cleaning scraper to reciprocate cleaning movement along the surface of the induction probe, which improves the fault diagnosis precision of the induction probe.

[0015] (2) The utility model discloses a clamping groove is arranged, when through the cleaning scraper to the dust on the surface of induction probe carries out long -term cleaning, in order to improve the effect that the dust on the surface of cleaning scraper is conveniently cleaned, reaches the effect that the surface of induction probe is cleaned and is clear, can rotate the bolt through the limiting action of the nut regularly, makes the bolt slide out from the inner wall of the clamping groove, and makes the plug and the inner wall of the slot pull out, reaches the effect that the dust on the surface of cleaning scraper is conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is induction probe equipment structure schematic diagram;

[0017] Fig. 2 It is another direction's three -dimensional structure schematic diagram of induction probe equipment;

[0018] Fig. 3 It is threaded slide rod and cleaning scraper connecting structure schematic diagram;

[0019] Fig. 4 It is plug and slot connection explosion structure schematic diagram.

[0020] In the drawing: 1, support base frame;2, first threaded rod;3, knob;4, threaded slide block;5, fixed groove;6, mounting block;7, induction probe;8, connecting frame;9, servo motor;10, second threaded rod;11, threaded slide rod;12, sliding groove;13, cleaning scraper;14, plug;15, slot;16, nut;17, bolt;18, clamping groove. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] As shown in Figs. 1-4 A kind of fault diagnosis inductive probe equipment suitable for track traffic vehicle running part, including support base frame 1, the outer wall of support base frame 1 is rotatably connected with first threaded rod 2, one end of first threaded rod 2 is fixedly connected with knob 3, the outer wall of first threaded rod 2 is threadedly connected with the threaded sliding block 4 of sliding connection with the outer wall of support base frame 1, the connecting portion of the outer wall of support base frame 1 and threaded sliding block 4 is provided with fixed groove 5, the outer wall of threaded sliding block 4 is fixedly connected with mounting block 6, the outer wall of mounting block 6 is detachably connected with inductive probe 7, the outer wall of threaded sliding block 4 is fixedly connected with connecting frame 8, the outer wall of connecting frame 8 is fixedly connected with servo motor 9, the output end of servo motor 9 is fixedly connected with the second threaded rod 10 of rotatable connection with the inner side wall of connecting frame 8, the outer wall of second threaded rod 10 is threadedly connected with the threaded slide bar 11 of sliding connection with the inner side wall of connecting frame 8, the connecting portion of the inner side wall of connecting frame 8 and threaded slide bar 11 is provided with sliding groove 12, the outer wall of threaded slide bar 11 is detachably connected with cleaning scraper 13 located at the side of inductive probe 7, the outer wall of cleaning scraper 13 is fixedly connected with the plug block 14 of engagement connection of threaded slide bar 11 outer wall, the connecting portion of the inner wall of threaded slide bar 11 and plug block 14 is provided with insertion slot 15, the outer wall of threaded slide bar 11 is provided with nut 16, the inner wall of nut 16 is threadedly connected with the threaded bolt 17 of sliding connection with the outer wall of cleaning scraper 13, the connecting portion of the outer wall of cleaning scraper 13 and threaded bolt 17 is provided with clamping slot 18.

[0023] The threaded sliding block 4 is in sliding structure with the fixed groove 5 through the first threaded rod 2, which is beneficial to the rotation of the first threaded rod 2, drives the threaded sliding block 4 to slide along the inner wall of the fixed groove 5, and plays a role of conveniently adjusting the use position of the probe. The threaded sliding rod 11 is in sliding structure with the sliding groove 12 through the second threaded rod 10, which is beneficial to the rotation of the second threaded rod 10, drives the threaded sliding rod 11 to slide along the inner wall of the sliding groove 12, and plays a role of driving the cleaning scraper 13 to reciprocatingly slide. The length of the cleaning scraper 13 is greater than the height of the induction probe 7, and the induction probe 7 is arranged on the movement track of the cleaning scraper 13, which is beneficial to the full-range cleaning effect of the dust on the surface of the induction probe 7 through the length of the cleaning scraper 13 being greater than the height of the induction probe 7. The induction probe 7 is in cleaning structure with the cleaning scraper 13 through the threaded sliding rod 11 and the sliding groove 12, which is beneficial to the sliding of the threaded sliding rod 11 along the inner wall of the sliding groove 12, drives the cleaning scraper 13 to reciprocatingly clean the dust on the surface of the induction probe 7, and plays a role of improving the detection definition of the probe. The inner wall profile of the insertion groove 15 is matched with the outer wall profile of the insertion block 14, which is beneficial to the pre-positioning and disassembling effect of the cleaning scraper 13 through the matching of the inner wall profile of the insertion groove 15 and the outer wall profile of the insertion block 14. The inner wall profile of the clamping groove 18 is matched with the outer wall profile of the bolt 17, which is beneficial to the convenient disassembling and replacing effect of the cleaning scraper 13 through the matching of the inner wall profile of the clamping groove 18 and the outer wall profile of the bolt 17.

[0024] Working principle and process:

[0025] When the induction probe 7 is used to assist the rail transit to diagnose faults, in order to prevent the dust adsorbed on the surface of the induction probe 7 from affecting the fault diagnosis and causing errors, the servo motor 9 can be regularly turned on to drive the threaded sliding rod 11 to slide along the inner wall of the sliding groove 12 through the rotation of the second threaded rod 10, the sliding of the threaded sliding rod 11 drives the cleaning scraper 13 to reciprocatingly clean the surface of the induction probe 7, and the effect of improving the fault diagnosis precision of the induction probe 7 is achieved.

[0026] Finally, when the dust on the surface of the induction probe 7 is cleaned for a long time through the cleaning scraper 13, in order to improve the convenient cleaning effect of the dust on the surface of the cleaning scraper 13 and improve the cleaning definition of the surface of the induction probe 7, the bolt 17 can be regularly turned to slide out of the inner wall of the clamping groove 18 through the limiting effect of the nut 16, and the insertion block 14 is pulled out of the inner wall of the insertion groove 15, so that the dust on the surface of the cleaning scraper 13 is conveniently cleaned.

[0027] It should be noted that the "front", "rear", "upper", "lower" and the like mentioned in the present document indicate the positional relationship based on the position relationship shown in the drawings, and are only for the convenience of describing the technical solutions and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed or operated in a particular orientation. Therefore, it cannot be understood as a limitation on the technical solutions, and the connection relationship can refer to a direct connection relationship, or an indirect connection relationship.

[0028] Embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those of ordinary skill in the art to understand the present application in order to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A fault diagnosis inductive probe device suitable for a running gear of a rail transit vehicle, comprising a support base frame (1), characterized in that, Also include the first threaded rod (2), threaded slider (4), mounting block (6), induction probe (7) and probe cleaning assembly; the support base frame (1) middle side rotationally connected with the first threaded rod (2), one end of the first threaded rod (2) is fixedly connected with the knob (3), the outer wall of the first threaded rod (2) is threadedly connected with the threaded slider (4) which is slidingly connected with the outer wall of the support base frame (1), the connecting part of the outer wall of the support base frame (1) and the threaded slider (4) is provided with a fixed groove (5), the outer wall of the threaded slider (4) is fixedly connected with the mounting block (6), the outer wall of the mounting block (6) is detachably connected with the induction probe (7); the threaded slider (4) and the fixed groove (5) constitute a sliding structure through the first threaded rod (2); The probe cleaning assembly is composed of connecting frame (8), servo motor (9), second threaded rod (10), threaded slide rod (11), sliding groove (12), cleaning scraper (13), the connecting frame (8) is fixedly connected to the outer wall of the threaded slider (4), the outer wall of the connecting frame (8) is fixedly connected with the servo motor (9), the output end of the servo motor (9) is fixedly connected with the second threaded rod (10) which is rotationally connected with the inner side wall of the connecting frame (8), the outer wall of the second threaded rod (10) is threadedly connected with the threaded slide rod (11) which is slidingly connected with the inner side wall of the connecting frame (8), the connecting part of the inner side wall of the connecting frame (8) and the threaded slide rod (11) is provided with a sliding groove (12); the threaded slide rod (11) and the sliding groove (12) constitute a sliding structure through the second threaded rod (10); the outer wall of the threaded slide rod (11) is detachably connected with the cleaning scraper (13) located on one side of the induction probe (7); the induction probe (7) and the cleaning scraper (13) constitute a cleaning structure through the threaded slide rod (11) and the sliding groove (12).

2. The fault diagnosis inductive probe device for the running gear of rail transit vehicles according to claim 1, characterized in that, The outer wall of the cleaning scraper (13) is fixedly connected with the plug (14) engagedly connected with the outer wall of the threaded slide rod (11), the connecting part of the inner wall of the threaded slide rod (11) and the plug (14) is provided with a plug groove (15), the inner wall profile of the plug groove (15) and the outer wall profile of the plug (14) are adaptively arranged; the outer wall of the threaded slide rod (11) is provided with a nut (16), the inner wall of the nut (16) is threadedly connected with the threaded bolt (17) which is slidingly connected with the outer wall of the cleaning scraper (13), the connecting part of the outer wall of the cleaning scraper (13) and the threaded bolt (17) is provided with a clamping groove (18); the inner wall profile of the clamping groove (18) and the outer wall profile of the threaded bolt (17) are adaptively arranged.

3. The fault diagnosis inductive probe device for the running gear of rail transit vehicles according to claim 1, characterized in that, The length of the cleaning scraper (13) is greater than the height of the induction probe (7), the induction probe (7) is arranged in the movement coverage range of the cleaning scraper (13); the inner side of the cleaning scraper (13) and the surface of the probe in contact are provided with a layer of hair material for cleaning, the gap between the layer of hair material and the installation opposite contact surface of the probe is-2mm~2mm.

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