CN112498417A - Railway vehicle derailment detection device and application method thereof - Google Patents
Railway vehicle derailment detection device and application method thereof Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 17
- 206010012411 Derailment Diseases 0.000 claims description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
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- 238000011900 installation process Methods 0.000 claims description 5
- 238000011897 real-time detection Methods 0.000 claims description 5
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- 238000005299 abrasion Methods 0.000 claims description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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Abstract
The invention discloses a railway vehicle derailment detection device and a use method thereof, the device comprises a vehicle main body and a detection device main body, a high-definition camera on the pair of detection device main bodies is matched with a laser range finder to detect the distance between two rail web parts to judge whether a train deviates from a rail, meanwhile, a pressure sensor arranged in a detection cylinder displays the pressure of two sides of the pressure wheel on the side wall of the rail main body in real time, when the distance between the detection device main body and the rail web deviates and the pressure value exceeds the normal fluctuation range, the computer can give an early warning in real time to ensure the accuracy of derailment detection, twice detection of derailment detection is realized, the accuracy of detection is ensured, wherein the installation and detachment processes of the detection device main body are simple and convenient to operate, time and labor are saved, the detection cylinder is also convenient to install and detach, and is convenient for later-stage workers to overhaul the interior of the detection device, the stability of the device main body is guaranteed, and the requirements of users are met.
Description
Technical Field
The invention relates to the field of railway vehicles, in particular to a railway vehicle derailment detection device and a use method thereof.
Background
Derailment of trains is a very complex problem, and causes of the derailment are various, and are often the result of comprehensive effects of various reasons including vehicle conditions, cargo loading, line states, running conditions and the like, and are easy to occur particularly under the condition that the speed of the trains is increased.
The general dedicated railway vehicle derailment detection device that will go on detecting among the prior art, the general installation of current railway vehicle derailment detection device is inconvenient with the dismantlement, consequently be not convenient for carry out corresponding maintenance to the staff, and only detect through railway vehicle derailment detection device, the phenomenon that data is inaccurate can appear in the difficult exemption, if data detection is inaccurate, danger can appear, can not guarantee the stability of device main part, to prior art's not enough, we design a railway vehicle derailment detection device and application method, solve above-mentioned problem.
1. The bend receives the pressure not invariable can not cause the influence to detection device, when driving to the bend, have the pressure value safety range who is special to in the bend, as long as the range of pressure value can not exceed the safety pressure value scope of bend, can indicate normally, here the detection of rail side is supplementary detection, only when two kinds of detection device's testing result is the same, just can accurate judgement derail testing result, therefore the pressure that the bend received is invariable, can not cause the influence to detection device.
2. High-speed driving can not increase the wearing and tearing of rail lateral part, because the rail generally is the steel construction material, and the pinch roller (detecting the gyro wheel promptly) of lateral part is the rubber tyer, and high-speed driving mainly can cause wearing and tearing to the rubber tyer (pinch roller promptly), can neglect the wearing and tearing of rail, consequently in the scheme, has designed the structure of the rubber tyer of being convenient for change wearing and tearing, solves the wearing and tearing problem of rubber tyer, so the device can not reduce the rail life-span.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a railway vehicle derailment detection device and a use method thereof, wherein high-definition cameras on a pair of detection device main bodies are matched with a laser range finder to detect the distance between two rail web parts to judge whether a train deviates from a rail, meanwhile, a pressure sensor arranged in a detection cylinder displays the pressure of two side pressing wheels on the side wall of the rail main body in real time, when the distance between the detection device main body and the rail web parts deviates and the pressure value exceeds the normal fluctuation range, the computer can give an early warning in real time to ensure the accuracy of derailment detection, twice detection of derailment detection is realized, the accuracy of detection is ensured, wherein the installation and detachment processes of the detection device main bodies are simple and convenient to operate, time and labor are saved, and the convenience is realized for workers to overhaul the detection device in the later period, the detection cylinder is convenient to mount and dismount, the later-stage workers can overhaul the detection cylinder, the stability of the device main body is guaranteed, and the requirements of users are met.
In order to achieve the above object, the present invention provides a railway vehicle derailment detection device and a method for using the same, which are implemented as follows:
a railway vehicle derailing detection device and a using method thereof comprise a vehicle main body and a detection device main body, wherein the bottom of the vehicle main body is provided with a bottom opening, the top wall of the bottom opening is provided with a clamping groove, the top of the detection device main body is fixedly connected with a mounting plate, four corners of the top of the mounting plate are provided with positioning holes, the mounting plate extends into the bottom opening and is movably clamped in the clamping groove, the bottom of the vehicle main body is provided with a fixing mechanism corresponding to the mounting plate, two sides of the vehicle main body are fixedly provided with fixing shafts, rollers are fixedly arranged on the fixing shafts, the bottom of each roller is provided with a steel rail main body, the steel rail main body is laid on the ground, one end of each fixing shaft, far away from the vehicle main body, is fixedly connected with a vertical rod, the bottom of the side wall of, the axle center department of detecting a section of thick bamboo is equipped with the telescopic link, the inner chamber that the telescopic link stretches out a detecting section of thick bamboo outwards extends, the one end fixed mounting that the detecting section of thick bamboo was kept away from to the telescopic link is connected with the mount pad, install the pinch roller on the mount pad, one side that the mount pad was kept away from to the pinch roller offsets with the lateral wall of rail main part.
Preferably, two identical high-definition cameras and two identical laser range finders are installed at the bottom of the detection device main body, a control circuit board and a bluetooth module are installed in the detection device main body, one high-definition camera corresponds to one laser range finder, the high-definition camera identifies the relative position of a wheel set and a steel rail, the control circuit board controls the laser range finder to measure the distance between the detection device main body and the rail waist, when the distance offset between the detection device main body and the rail waist exceeds a preset value, the control circuit board judges that the train is derailed, and the control circuit board controls the bluetooth module to transmit information to a computer of a cab in real time to give an alarm to a driver.
Preferably, the high-definition camera is used for acquiring images of relative positions between the wheel set and the steel rail, and sending the images to the control circuit board in real time for image recognition processing to recognize the position of the rail web.
Preferably, adopt universal motor to be connected between detection device main part and the laser range finder, by control circuit board adjusts universal motor according to the rail web position regulation who discerns and rotates, drives the laser range finder rotates, makes the laser beam that the laser range finder launches shines on the rail web of being discerned.
Preferably, the fixed establishment includes the bearing, bearing fixed connection is in the bottom of vehicle main part, the inner circle fixedly connected with lead screw of bearing, the bottom fixedly connected with of lead screw changes the handle, the nut cover has been cup jointed on the lead screw, nut cover and lead screw threaded connection, the both sides fixedly connected with connecting plate of nut cover, the top fixedly connected with locating lever of connecting plate, the lower surface and the activity of vehicle main part are passed at the top of locating lever and are pegged graft in the draw-in groove, the locating lever is also the activity and is pegged graft in the locating hole.
Preferably, the detection mechanism comprises a pressure sensor, the pressure sensor is located in an inner cavity of the detection barrel, a pressure spring and a sliding block are further arranged in the inner cavity of the detection barrel, the sliding block is connected in the inner cavity of the detection barrel in a sliding mode, and the pressure spring is located between the sliding block and the pressure sensor.
Preferably, one end of the pressure spring abuts against the side wall of the pressure sensor, the other end of the pressure spring abuts against the side wall of the sliding block, and the pressure spring is in a compressed state.
Preferably, the sliding block is fixedly connected with the telescopic rod, and one side, far away from the pressure spring, of the pressure sensor is abutted to the inner wall of the detection barrel.
Preferably, the side wall of the mounting seat is provided with a clamping groove, the axle center of the pressing wheel is rotatably connected with an axle, the axle is fixedly connected with a support, one end of the support, which is close to the mounting seat, is fixedly connected with a clamping plate, the clamping plate is provided with a locking hole, and the mounting seat is provided with a locking mechanism corresponding to the clamping plate.
Preferably, locking mechanism includes the dead lever, dead lever fixed connection is in the mount pad one side that is close to the telescopic link, the one end fixedly connected with riser of mount pad is kept away from to the dead lever, the bottom fixed connection of riser is on the telescopic link.
Preferably, the fixing rod is connected with a sliding plate in a sliding mode, the sliding plate is provided with two groups of round holes corresponding to the fixing rod, one side of the sliding plate, which is close to the mounting seat, is fixedly connected with a locking rod, and one side of the sliding plate, which is far away from the mounting seat, is fixedly connected with a resisting spring.
Preferably, one end of the locking rod, which is far away from the sliding plate, penetrates through the mounting seat and is movably inserted in the clamping groove, the locking rod is also movably inserted in the locking hole, one end of the abutting spring, which is far away from the sliding plate, is fixedly connected to the vertical plate, and the abutting spring is in a compression state.
Preferably, the specific operation process is as follows:
step S1: the detection device comprises a detection device body, a positioning plate, a screw rod, a nut sleeve, a connecting plate and a plate belt, wherein the detection device body can be installed and fixed at the bottom of the vehicle body, the mounting plate is firstly stretched into an opening at the bottom, and is rotated to ninety degrees, so that the mounting plate is clamped into a clamping groove, when the positioning hole corresponds to the positioning rod, the rotating handle is rotated, the rotating handle drives the screw rod to rotate in a bearing, the screw rod drives the nut sleeve to move upwards when rotating, the nut sleeve drives the connecting plate to move upwards, the connecting plate belt drives the positioning rod to move upwards and is inserted into the positioning hole, and the detection device body realizes the real-time detection of derailment of;
step S2: the second step can carry on the installation of the detection cylinder, the concrete installation process is, can use the bolt to fix the vertical pole on fixed axle at first, the vertical pole drives the movement of the detection cylinder while fixing, the detection cylinder drives the slide block, compression spring and pressure sensor to move, the slide block drives the telescopic link to move, the telescopic link drives the mount pad to move, the mount pad drives the pinch roller to offset with the sidewall of the main body of the rail, when the main body of the rail has pressure to the pinch roller, will drive pinch roller and mount pad to make the telescopic link move to the cavity of the detection cylinder, and drive the slide block to slide at the same time, the slide block drives the compression of the compression spring, thus make the pressure to the pressure sensor increase, after fixing the vertical pole, the data of the pressure sensor is the definite value, and then can carry on the secondary derailment real-time detection to;
step S3: the pinch roller probably causes wearing and tearing after long-term use, consequently, change it, the change process does, at first pull down the pinch roller, when pulling down, at first outwards stimulate the slide, the slide drives the check lock lever motion and compresses and supports tight spring, finally make the check lock lever break away from the locking hole, outside pulling the pinch roller this moment, the pinch roller drives the shaft motion, the shaft drives the support motion, the support drives the cardboard and breaks away from the chucking groove, can accomplish the dismantlement to the pinch roller finally, when installing the pinch roller, directly block the cardboard card of new pinch roller into the chucking inslot, the hand slide of loosening here, support the spring and promote the slide motion, the slide drives the check lock lever and inserts in the locking hole, and carry out the fixed of pinch roller.
Because the invention adopts the double detection standards of the detection device main body and the detection cylinder, the following beneficial effects can be obtained:
1. the invention judges whether the train deviates from the track by arranging the detection device main body and the detection cylinder, detecting the distance between the two steel rail web parts by the high-definition camera head on the detection device main body and the laser range finder, simultaneously displaying the pressure of the two side pressing wheels on the side wall of the steel rail main body in real time by the pressure sensor arranged in the detection cylinder, when the distance between the detection device main body and the rail web parts deviates and the pressure value exceeds the normal fluctuation range, carrying out real-time early warning by a computer, ensuring the accuracy of derailment detection, realizing twice detection of derailment detection and ensuring the accuracy of detection, wherein the installation and detachment process of the detection device main body is simple and convenient to operate, time and labor are saved, the detection cylinder is convenient to install and detach, and the later-stage workers can conveniently overhaul the inside of the detection cylinder, the stability of the device main body is ensured, and the requirements of users are met.
2. According to the invention, through the arranged locking mechanism, the pressing wheel is convenient for workers to disassemble and assemble, and the pressing wheel can generate corresponding abrasion after long-term use, so that the outer wall of the pressing wheel becomes thinner, and the pressure on the pressure sensor can be reduced, therefore, the problems can be solved by replacing the pressing wheel in the later period, the accuracy of measured data is further ensured, and the requirements of users are met.
3. The counter-acting force of the resisting spring can push the sliding plate to be attached to the side wall of the mounting seat, so that the locking rod is ensured to be stably inserted into the locking hole, the fixing effect of the locking mechanism is ensured, and the clamping plate is stably clamped in the clamping groove.
Drawings
FIG. 1 is a schematic structural diagram of a railway vehicle derailment detection apparatus and a method for using the same according to the present invention;
FIG. 2 is a block diagram of a detection device body of a railway vehicle derailment detection device and a method for using the same according to the present invention;
FIG. 3 is a connecting view of a positioning rod of a railway vehicle derailment detection apparatus and a method for using the same according to the present invention;
FIG. 4 is a vertical rod connection diagram of a railway vehicle derailment detection apparatus and method of use thereof in accordance with the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4 illustrating a railway vehicle derailment detection apparatus and method of use thereof in accordance with the present invention;
FIG. 6 is an installation view of a pinch roller of the railway vehicle derailment detection apparatus and method of using the same of the present invention;
FIG. 7 is a cross-sectional view of a test tube of a railway vehicle derailment test apparatus and method of using the same in accordance with the present invention;
FIG. 8 is a lock lever connection diagram of a railway vehicle derailment detection apparatus and a method of using the same according to the present invention;
FIG. 9 is a schematic view of the mounting structure of a laser range finder and a universal motor of the railway vehicle derailment detection apparatus and the method for using the same according to the present invention;
FIG. 10 is a schematic view of the distance measurement between the main body and the rail web of the combined detection device of the laser range finder and the high definition camera according to the derailment detection device of the railway vehicle and the use method thereof of the present invention;
in the figure: 1. a vehicle main body; 101. the bottom is open; 102. a card slot; 103. a fixed shaft; 2. a detection device main body; 201. mounting a plate; 202. positioning holes; 203. a high-definition camera; 204. a laser range finder; 205. a control circuit board; 206. a Bluetooth module; 207. a universal motor; 3. a bearing; 301. a screw rod; 3011. turning a handle; 302. a nut sleeve; 303. a connecting plate; 304. positioning a rod; 4. a roller; 401. a vertical rod; 5. a rail body; 6. a detection cylinder; 601. a slider; 602. a pressure spring; 603. a telescopic rod; 7. a pressure sensor; 8. a mounting seat; 801. a clamping groove; 802. fixing the rod; 803. a vertical plate; 804. A slide plate; 8041. a locking lever; 8042. the spring is tightly propped; 9. a pinch roller; 901. a wheel axle; 902. a support; 903. clamping a plate; 9031. and (4) locking holes.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example 1: referring to fig. 1 to 10, a railway vehicle derailing detection device and a method for using the same according to the present invention are shown, including a vehicle body 1 and a detection device body 2, a bottom opening 101 is formed at the bottom of the vehicle body 1, a slot 102 is formed on the top wall of the bottom opening 101, a mounting plate 201 is fixedly connected to the top of the detection device body 2, a positioning hole 202 is formed at the four corners of the top of the mounting plate 201, the mounting plate 201 extends into the bottom opening 101 and is movably clamped in the slot 102, a fixing mechanism corresponding to the mounting plate 201 is disposed at the bottom of the vehicle body 1, fixing shafts 103 are fixedly disposed at two sides of the vehicle body 1, rollers 4 are fixedly disposed on the fixing shafts 103, a rail body 5 is disposed at the bottom of the rollers 4, the rail body 5 is laid on the ground, a vertical rod 401 is fixedly connected to one end of the fixing shaft 103 far away from the vehicle, the detection device comprises a detection cylinder 6, a detection mechanism is arranged in the detection cylinder 6, a telescopic rod 603 is arranged at the axis of the detection cylinder 6, the telescopic rod 603 extends out of the inner cavity of the detection cylinder 6 and extends outwards, a mounting seat 8 is fixedly and fixedly mounted at one end of the telescopic rod 603 far away from the detection cylinder 6, a pinch roller 9 is mounted on the mounting seat 8, one side of the pinch roller 9 far away from the mounting seat 8 is abutted against the side wall of a steel rail main body 5, a detection device main body 2 and the detection cylinder 6 are arranged, two-time detection of derailment detection is realized, the detection accuracy is ensured, wherein the mounting and dismounting processes of the detection device main body 2 are simple and convenient to operate, time and labor are saved, the later-stage convenient maintenance of workers is realized, meanwhile, a pressure sensor 7 arranged in the detection cylinder 6 displays the pressure of the pinch rollers 9 at two sides on the side wall of, then can guarantee the accuracy to derailing detection through the real-time early warning of computer, detect a section of thick bamboo 6 simultaneously and also be convenient for install and dismantle, the later stage staff of being convenient for overhauls its inside, has guaranteed the stability of device main part, satisfies the user demand.
Two identical high definition cameras 203 and two identical laser range finders 204 are installed at the bottom of the detection device main body 2, a control circuit board 205 and a Bluetooth module 206 are installed in the detection device main body 2, one high definition camera 203 corresponds to one laser range finder 204, the high definition camera 203 identifies the relative position of a wheel pair and a steel rail, the control circuit board 205 controls the laser range finder 204 to measure the distance between the detection device main body 2 and a rail waist, when the distance offset between the detection device main body 2 and the rail waist exceeds a preset value, the control circuit board 205 judges the derailment of the train, the control circuit board 205 controls the Bluetooth module 206 to transmit information to a computer of a cab in real time, and an alarm is sent to a driver.
The high-definition camera 203 is used for collecting images of relative positions between the wheel set and the steel rail, and sending the images to the control circuit board 205 in real time for image recognition processing, so that the position of the rail waist is recognized.
The detection device main body 2 is connected with the laser range finder 204 through the universal motor 207, the universal motor 207 is adjusted to rotate by the control circuit board 205 according to the position of the identified rail web, the laser range finder 204 is driven to rotate, and the laser beam emitted by the laser range finder 204 irradiates on the identified rail web.
Fixing mechanism includes bearing 3, bearing 3 fixed connection is in the bottom of vehicle main part 1, the inner circle fixedly connected with lead screw 301 of bearing 3, the bottom fixedly connected with of lead screw 301 changes 3011, nut cover 302 has been cup jointed on the lead screw 301, nut cover 302 and lead screw 301 threaded connection, the both sides fixed connection of nut cover 302 has connecting plate 303, the top fixedly connected with locating lever 304 of connecting plate 303, the lower surface and the activity of passing vehicle main part 1 in the top of locating lever 304 are pegged graft in draw-in groove 102, locating lever 304 is also pegged graft in locating hole 202 in the activity, fixing mechanism's simple structure, the operation is stable, the staff is to detection device main part 2 the installation with pull down easy operation convenient, time saving and labor saving.
The detection mechanism comprises a pressure sensor 7, the pressure sensor 7 is located in an inner cavity of the detection barrel 6, a pressure spring 602 and a sliding block 601 are further arranged in the inner cavity of the detection barrel 6, the sliding block 601 is connected in the inner cavity of the detection barrel 6 in a sliding mode, the pressure spring 602 is located between the sliding block 601 and the pressure sensor 7, the detection mechanism achieves secondary detection of derailment of the railway vehicle, and accurate measurement of the derailment of the railway vehicle is guaranteed.
One end of the pressure spring 602 abuts against the side wall of the pressure sensor 7, the other end of the pressure spring 602 abuts against the side wall of the sliding block 601, the pressure spring 602 is in a compression state, the pressure spring 602 applies pressure to the pressure sensor 7, and real-time monitoring of the pressure is guaranteed.
The slide block 601 is fixedly connected with the telescopic rod 603, and one side of the pressure sensor 7, which is far away from the pressure spring 602, is abutted against the inner wall of the detection cylinder 6.
Chucking groove 801 has been seted up to the lateral wall of mount pad 8, the axle center department of pinch roller 9 rotates and is connected with shaft 901, fixedly connected with support 902 on the shaft 901, support 902 is close to the one end fixedly connected with cardboard 903 of mount pad 8, locking hole 9031 has been seted up on the cardboard 903, be equipped with the locking mechanical system corresponding with cardboard 903 on the mount pad 8, locking mechanical system through setting up, it is convenient for carry out the dismouting to pinch roller 9 to have realized the staff, can produce corresponding wearing and tearing after pinch roller 9 uses for a long time, make the outer wall attenuation of pinch roller 9, this will reduce the pressure to pressure sensor 7, consequently, the above-mentioned problem can be solved to later stage change pinch roller 9, and then guarantee measured data's accuracy, satisfy user's demand.
Locking mechanism includes dead lever 802, dead lever 802 fixed connection is in the one side that mount pad 8 is close to telescopic link 603, and the one end fixedly connected with riser 803 of mount pad 8 is kept away from to dead lever 802, and the bottom fixed connection of riser 803 is on telescopic link 603, and locking mechanism's simple structure, the operation is stable, and is not fragile, and the user is when using, the operation of being convenient for, and locking mechanism's fixed effectual moreover.
Sliding connection has slide 804 on dead lever 802, set up two sets of round holes corresponding with dead lever 802 on the slide 804, slide 804 is close to one side fixedly connected with check lock pole 8041 of mount pad 8, one side fixedly connected with that slide 804 kept away from mount pad 8 supports tight spring 8042, the reaction force of supporting tight spring 8042 can promote slide 804 and the lateral wall of mount pad 8 and laminate mutually, guaranteed promptly that stable the pegging graft of check lock pole 8041 is in check lock hole 9031, the fixed effect of locking mechanism has been guaranteed, make the stable joint of cardboard 903 in chucking 801 inslot.
One end of the locking rod 8041 far away from the sliding plate 804 penetrates through the mounting seat 8 and is movably inserted into the clamping groove 801, the locking rod 8041 is also movably inserted into the locking hole 9031, one end of the tightening spring 8042 far away from the sliding plate 804 is fixedly connected to the vertical plate 803, and the tightening spring 8042 is in a compression state.
Example 2: referring to fig. 1 to 8, a derailment detection device for a railway vehicle and a method for using the same according to the present invention are shown, and the specific operation process is as follows:
step S1: firstly, the detection device main body 2 can be installed to the bottom of the vehicle main body 1, and the specific installation process is that the installation plate 201 is firstly inserted into the bottom opening 101, and the installation plate 201 is rotated to ninety degrees, so that the installation plate 201 is clamped into the clamping groove 102, when the positioning hole 202 corresponds to the positioning rod 304, the rotating handle 3011 is rotated, the rotating handle 3011 drives the screw rod 301 to rotate in the bearing 3, the screw rod 301 drives the nut sleeve 302 to move upwards when rotating, the nut sleeve 302 drives the connecting plate 303 to move upwards, the connecting plate 303 drives the positioning rod 304 to move upwards and is inserted into the positioning hole 202, so that the detection device main body 2 is installed and fixed, and the detection device main body 2 realizes real-time detection of derailment of railway vehicles;
step S2: the second step is to install the detecting cylinder 6, and the specific installation process is that the vertical rod 401 can be fixed on the fixed shaft 103 by using bolts, when the steel rail is fixed, the vertical rod 401 drives the detection cylinder 6 to move, the detection cylinder 6 drives the sliding block 601, the pressure spring 602 and the pressure sensor 7 to move, the sliding block 601 drives the telescopic rod 603 to move, the telescopic rod 603 drives the mounting seat 8 to move, the mounting seat 8 drives the pressing wheel 9 to abut against the side wall of the steel rail main body 5, when the steel rail main body 5 has pressure on the pinch roller 9, the pinch roller 9 and the mounting seat 8 are driven to enable the telescopic rod 603 to move towards the inner cavity of the detection cylinder 6, and at the same time, the slide block 601 is driven to slide, the slide block 601 drives the pressure spring 602 to compress, therefore, the pressure on the pressure sensor 7 is increased, and after the vertical rod 401 is fixed, the data of the pressure sensor 7 is a fixed value, so that the secondary derailment of the railway vehicle can be detected in real time;
step S3: after long-term use, the pinch roller 9 may be worn, and therefore, the pinch roller is replaced, in the replacement process, the pinch roller 9 is detached at first, when the pinch roller is detached, the sliding plate 804 is pulled outwards at first, the sliding plate 804 drives the locking rod 8041 to move and compresses the abutting spring 8042, the locking rod 8041 is finally separated from the locking hole 9031, at this time, the pinch roller 9 is pulled outwards, the pinch roller 9 drives the axle 901 to move, the axle 901 drives the bracket 902 to move, the bracket 902 drives the clamping plate 903 to separate from the clamping groove 801, and finally, the pinch roller 9 can be detached, when the pinch roller 9 is installed, the clamping plate 903 of a new pinch roller 9 is directly clamped into the clamping groove 801, at this time, the sliding plate 804 is loosened, the abutting spring 8042 pushes the sliding plate 804 to move, and the sliding plate 804 drives the locking rod 8041 to be inserted into the locking hole 9031, and the.
This device is through setting up detection device main part 2 and detection cylinder 6, realized carrying out twice detection to derailing detection, the accuracy of detection has been guaranteed, wherein to detection device main part 2 the installation with pull down process operation simple and convenient, time saving and labor saving, this has just realized that the staff of being convenient for in later stage overhauls it, and simultaneously, the built-in pressure sensor 7 of detection cylinder 6 shows the pressure of both sides pinch roller 9 to 5 lateral walls of rail main part in real time, when the pressure value surpassed normal fluctuation range, then can pass through computer real-time early warning, guarantee the accuracy to derailing detection, detection cylinder 6 is also convenient for install and dismantle simultaneously, the later stage staff of being convenient for overhauls its inside, the stability of device main part has been guaranteed, user's demand is satisfied.
Claims (9)
1. A railway vehicle derailment detection device, its characterized in that: the automobile body part comprises an automobile body (1) and a detection device body (2), and is characterized in that a bottom opening (101) is formed in the bottom of the automobile body (1), a clamping groove (102) is formed in the top wall of the bottom opening (101), a mounting plate (201) is fixedly connected to the top of the detection device body (2), positioning holes (202) are formed in four corners of the top of the mounting plate (201), the mounting plate (201) extends into the bottom opening (101) and is movably clamped in the clamping groove (102), a fixing mechanism corresponding to the mounting plate (201) is arranged at the bottom of the automobile body (1), fixing shafts (103) are fixedly arranged on two sides of the automobile body (1), rollers (4) are fixedly arranged on the fixing shafts (103), a steel rail body (5) is arranged at the bottom of the rollers (4), and the steel rail body (5) is laid on the ground, the one end fixedly connected with vertical pole (401) of vehicle main part (1) are kept away from to fixed axle (103), the lateral wall bottom fixedly connected with of vertical pole (401) detects a section of thick bamboo (6), it is equipped with detection mechanism to detect a section of thick bamboo (6) inside, the axle center department of detecting a section of thick bamboo (6) is equipped with telescopic link (603), the inner chamber that detects a section of thick bamboo (6) is stretched out in telescopic link (603) outwards extends, the one end fixed mounting who detects a section of thick bamboo (6) is kept away from in telescopic link (603) is connected with mount pad (8), install pinch roller (9) on mount pad (8), one side that mount pad (8) were kept away from in pinch roller (9) offsets with the lateral wall of rail main part (.
2. A railway vehicle derailment detection apparatus according to claim 1, wherein: two identical high-definition cameras (203) and two identical laser range finders (204) are installed at the bottom of the detection device main body (2), a control circuit board (205) and a Bluetooth module 206 are installed in the detection device main body (2), one high-definition camera (203) corresponds to one laser range finder (204), the relative position of the wheel set and the steel rail is identified by the high-definition camera (203), the control circuit board (205) controls the laser range finder (204) to measure the distance between the detection device main body (2) and the rail waist, when the distance offset between the detection device main body (2) and the rail waist exceeds a preset value, the control circuit board (205) judges that the train is derailed, the control circuit board (205) controls the Bluetooth module (206) to transmit information to a computer of a cab in real time, and an alarm is sent to a driver.
3. A railway vehicle derailment detection apparatus according to claim 2, wherein: high definition camera (203) are arranged in gathering the relative position image between wheel pair and the rail, and carry out image recognition processing in sending image to control circuit board (205) in real time, discern the rail web position, adopt universal motor (207) to be connected between detection device main part (2) and laser range finder (204), adjust universal motor (207) and rotate according to the rail web position that discerns by control circuit board (205), drive laser range finder (204) and rotate, make the laser beam that laser range finder (204) launches shine on the rail web that is discerned.
4. A railway vehicle derailment detection apparatus according to claim 1, wherein: the fixing mechanism comprises a bearing (3), the bearing (3) is fixedly connected to the bottom of the vehicle body (1), an inner ring of the bearing (3) is fixedly connected with a screw rod (301), the bottom of the screw rod (301) is fixedly connected with a rotating handle (3011), a nut sleeve (302) is sleeved on the screw rod (301), the nut sleeve (302) is in threaded connection with the screw rod (301), two sides of the nut sleeve (302) are fixedly connected with connecting plates (303), the top of the connecting plates (303) is fixedly connected with a positioning rod (304), the top of the positioning rod (304) penetrates through the lower surface of the vehicle body (1) and is movably inserted into the clamping groove (102), and the positioning rod (304) is also movably inserted into the positioning hole (202).
5. A railway vehicle derailment detection apparatus according to claim 1, wherein: the detection mechanism comprises a pressure sensor (7), the pressure sensor (7) is located in an inner cavity of the detection barrel (6), a pressure spring (602) and a sliding block (601) are further arranged in the inner cavity of the detection barrel (6), the sliding block (601) is connected in the inner cavity of the detection barrel (6) in a sliding mode, and the pressure spring (602) is located between the sliding block (601) and the pressure sensor (7).
6. The railway vehicle derailment detection apparatus according to claim 5, wherein: one end of the pressure spring (602) abuts against the side wall of the pressure sensor (7), the other end of the pressure spring (602) abuts against the side wall of the sliding block (601), and the pressure spring (602) is in a compression state.
7. The railway vehicle derailment detection apparatus according to claim 6, wherein: the sliding block (601) is fixedly connected with the telescopic rod (603), and one side, far away from the pressure spring (602), of the pressure sensor (7) is abutted to the inner wall of the detection barrel (6).
8. A railway vehicle derailment detection apparatus according to claim 1, wherein: the side wall of the mounting seat (8) is provided with a clamping groove (801), the axis of the pinch roller (9) is rotatably connected with a wheel shaft (901), the wheel shaft (901) is fixedly connected with a support (902), one end of the support (902) close to the mounting seat (8) is fixedly connected with a clamping plate (903), the clamping plate (903) is provided with a locking hole (9031), and the mounting seat (8) is provided with a locking mechanism corresponding to the clamping plate (903).
9. Use of a railway vehicle derailment detection apparatus according to any of claims 1-8, wherein: the specific operation process is as follows:
step S1: firstly, a detection device main body (2) can be installed to the bottom of a vehicle main body (1), the specific installation process is that firstly, an installation plate (201) extends into a bottom opening (101), the installation plate (201) is rotated to ninety degrees, the installation plate (201) is clamped into a clamping groove (102), when a positioning hole (202) corresponds to the positioning rod (304), a rotating handle (3011) is rotated, the rotating handle (3011) drives a screw rod (301) to rotate in a bearing (3), the screw rod (301) drives a nut sleeve (302) to move upwards when rotating, the nut sleeve (302) drives a connecting plate (303) to move upwards, the connecting plate (303) drives the positioning rod (304) to move upwards and is inserted into the positioning hole (202), so that the detection device main body (2) is installed and fixed, and the detection device main body (2) realizes the real-time detection of derailing of railway vehicles;
step S2: the second step can be used for installing the detection cylinder (6), the specific installation process is that firstly, the vertical rod (401) can be fixed on the fixed shaft (103) by using bolts, the vertical rod (401) drives the detection cylinder (6) to move when the detection cylinder is fixed, the detection cylinder (6) drives the sliding block (601), the pressure spring (602) and the pressure sensor (7) to move, the sliding block (601) drives the telescopic rod (603) to move, the telescopic rod (603) drives the installation seat (8) to move, the installation seat (8) drives the pressing wheel (9) to abut against the side wall of the steel rail main body (5), when the steel rail main body (5) has pressure on the pressing wheel (9), the pressing wheel (9) and the installation seat (8) can be driven to enable the telescopic rod (603) to move towards the inner cavity of the detection cylinder (6) and simultaneously drive the sliding block (601) to slide, the sliding block (601) drives the pressure spring (602) to compress, so that the pressure on the pressure sensor (7, after the vertical rod (401) is fixed, the data of the pressure sensor (7) is a fixed value, so that secondary derailment real-time detection can be carried out on the railway vehicle;
step S3: after long-term use, the pinch roller (9) is likely to cause abrasion, so the pinch roller is replaced, the replacement process comprises the steps of firstly detaching the pinch roller (9), when detaching, firstly pulling the sliding plate (804) outwards, the sliding plate (804) drives the locking rod (8041) to move and compress the abutting spring (8042), finally enabling the locking rod (8041) to be separated from the locking hole (9031), at the moment, pulling the pinch roller (9) outwards, the pinch roller (9) drives the wheel shaft (901) to move, the wheel shaft (901) drives the support (902) to move, the support (902) drives the clamping plate (903) to be separated from the clamping groove (801), finally completing detachment of the pinch roller (9), when installing the pinch roller (9), directly clamping the clamping plate (903) of a new pinch roller (9) into the clamping groove (801), at the moment, loosening the sliding plate (804), the abutting spring (8042) pushes the sliding plate (804) to move, the sliding plate (804) drives the locking rod (8041) to be inserted into the locking hole (9031), and the pinch roller (9) is fixed.
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