Rail wear electronic testing device

FIELD: railway transport; testing facilities.

SUBSTANCE: invention can be used for checking wear of rails on railways and streetcar tracks. Device for testing wear of rails includes pulse generator and recorder and second pulse generator. First and second pulse generators are made in form of electronic transducers furnished with spring-loaded rods with rack gears engaging with surfaces of rail and with gears on axles of which light breakers are installed, and with light emitting diodes connected by wires with photorelays. Recorder is made up of radio electronic elements, supply unit and control panel with push buttons and change-over switches. Pulse generators and recorder are connected by wires. First pulse generator is installed on base on edges of which bellcranks are mounted for rotation on joints. Position lock of bellcranks is installed between upper parts of bellcranks furnished with handles, position lock being made of concave parts and screw. Second pulse generator is installed lower than the base on one of bellcranks. Stops with slots and fastening screws are made in lower parts of bellcrank to secured their position relative to bellcranks.

EFFECT: improved safety, reduced possibility of breakdown in operation of rolling stock on railways and streetcar tracks.

5 cl, 7 dwg

 

The invention relates to measuring devices, train and tram transport, namely, devices for determining the wear of the rail.

The known device CRI for wear of rail, including staples pointer vertical wear, coupling with metric scale, the pointer lateral wear and the latch side wear (Bezrukov B.C., Karpovtsev I.P., Kamensky V.B. have been /"Handbook of road), Transportation, 1975, s).

The advantage of the known device is that it has a small number of parts, i.e. the processing chain when it has a small error, the advantage of this device is that it is portable and has a small weight, and the disadvantages is that dark time, it is impossible to see on the scale division to without error and accurately determine the wear of the rail, as well as the fact that you can use your device in uncomfortable for the operator the position of "squatting".

It is also known a device for detection of surface defects in rails (a device for determining wear of rail), contains the above rail measuring inductive coil connected to one output winding with one output of the pulse generator, the amplifier-demodulator, connected to its output the input block sample-hold, managing whatamongo connected to one input of the control unit, the other output of which is connected to the control input of the pulse generator and the Registrar, in accordance with the invention, the device is further provided with an additional inductive coil and a differential transformer, one winding of which is connected to the input terminals of the amplifier-demodulator, and the other winding has an average output, which is connected to the bus zero potential and its one and the other terminals are connected respectively with the other output winding of the inductive measuring coil and one of the conclusions of the additional winding inductive coil, the other output of which is connected to another output of the pulse generator, and the output terminals of the fetch block-storage connected to the inputs-outputs of the amplifier-demodulator, to the output which is connected logger.

The first inductive coil is made in the form of a strip line with the screen, and the secondary inductive coil is made in the form of a strip line, interacting with a plate of conductive material, and a differential transformer is made on the strip lines (A.S. USSR №1654084, CL WK 9/10, 1991).

The advantage of the known device is that it is provided with a partially electronic circuits, and therefore the dimension of the defects and rails are manufactured at the modern level, and a disadvantage of this device is that the volume of this device is quite complicated and therefore the measurement can receive the lining in the form of imprecision and unreliability of measurement results other major drawbacks is that the device is located closely above the rail that creates inconvenience of use when reading the measurement results with the Registrar.

The objective of the invention is to increase reliability, the ease of measurement of wear, ease of measurement results and to reduce the complexity, giving the device a modern level of measurement of the wear of the rail.

The technical result of the invention is to increase safety and reduce accidents in the operation of rolling stock for railway and tram transport.

This is achieved by the fact that the proposed device for determining wear of rail, including the pulse generator and the Registrar, according to the invention, equipped with two pulse generators, the first and second pulse generators made in the form of electronic sensors, equipped with spring-loaded terminals with rack and pinion gears, interacting with gears, the axes of which are the breakers of light, and the LEDs connected to the relay by wire, and the Registrar is composed of electronic components, power module and control panel with buttons and switches, pulse generators and the Registrar are connected by wires, the first pulse generator is set based on the and, on the edge of which is hinged rotatably placed duplica levers between the upper parts of which are equipped with handles, mounted lock their position, formed of concave parts and screw, the second pulse generator is installed below the base on one of duplica levers, and in the lower parts duplica levers made stops with slots and screws fixing their relative position duplica levers. However the breakers of light provided with depressions and protrusions, the lower end part of the limiters have end-rounding surface to contact area of the sole to the rail terminal, the Registrar made in the form of placards and equipped with a strap for installation on the operator.

The technical result is ensured by the implementation of the electronic device.

The proposed device for determining the wear of the rail presented on the drawings.

1 shows a pulse generator;

Figure 2 - the Registrar;

Figure 3 - General view of the device;

Figs.4, 5, 6 fragments of the electronic device;

7 - same as figure 3 in the working position.

The proposed device comprises a pulse generator 1, 24 and Registrar 9. The first 1 and second 24, the generator may be made in the form of electronic sensors, equipped with spring-loaded terminals with rack gears 2 interacting with gears 3, on axes which are breakers of light 4, and 6 LEDs connected to the photosensitive device 7 via the wires 8. The Registrar 9 made in the form of Board and composed of electronic elements 10, the power unit 11 and a control panel with buttons and switches 12.

The pulse generator 1, 24 and Registrar 9 connected by wires 13, the first pulse generator 1 is installed on the base 14, the edges of which is hinged at 15 rotatably placed two shoulders levers 16, between the upper parts of which, provided with a handle 17, is mounted the latch 18 of their position, formed from concave parts 19 and screws 20.

The second pulse generator 24 is installed below the base 14 at one of the two shoulders of the levers 16 and in the lower parts of the two shoulders of the levers 16 is made stops with the slots 21 and the screws securing their position 22 relative to the two shoulders of the levers 16. Breakers light 4 provided with depressions and protrusions 5. The lower end part of the limiters 21 are end-rounding surface 23 to a contact location 28 transition soles 27 to the terminal 26 of the rail. The Registrar 9 is equipped with a strap 25 to install it on the neck of the operator in the operating position.

The proposed electronic device for determining wear of rail works as follows.

At the beginning of the operation of the device set up to measure the wear of the rail Oprah is elenai brand P50 and P65 or P75. To do this, move the lower part duplica levers 16 to the right or left due to constraints with the slots 21, and then install the device on Neizvestny rail to install certain the origin of the Registrar 9 on the mark "O". For this purpose, the lever 16 rotates relative to the hinge 15, while the rounded contact surfaces 23 of the lower parts of the arms 11 with the passage 28 soles 27 to the terminal 26 of the rail. At this time, record the position due to the concave portions 19 and screw 20 of the retainer 18, and then through buttons comprises a panel 12 of the Registrar 9, providing an electrical voltage from the power supply 11 for all electronic elements 10 Registrar 9 and the pulse generator 1 and 24, which spring-loaded terminals with rack gears 2 interact with the upper and side surfaces of the rail, resulting in a moving spring-loaded terminals with rack gears 2, which force to rotate the gear 3, which are mounted on the same axis with the breaker light 4, provided with projections and depressions 5, the rotation of which arise electrical signal pulses through the wires 13 in the Registrar 9, where under the action of the electronic elements 10 emerging and transmitting the pulses are converted into digital measurement data rail. Further, due to the swap is catela panel 12 Registrar 9 set at the level "0" the start of the measurement of lateral and surface condition of the rail head.

Then the device is removed from neiskushennogo rail and reinstalled for measuring wear of the worn rail side and the upper surface of the rail.

In this case, all operations associated with the measurement of the worn part of the rail, is carried out in the same sequence as in the operations of a device setting to "0".

Thus, the implementation of the proposed device for determining the wear of the rail allows you to create electronic safe operation of rolling stock railway transportation and to reduce accidents.

1. A device for determining wear of rail, including the pulse generator and the Registrar, characterized in that it comes with a second pulse generator, the first and second pulse generators made in the form of electronic sensors, equipped with spring-loaded terminals with rack and pinion gears that interact with surfaces of the rails and gears, the axes of which are the breakers of light, and the LEDs connected to the relay by wire, and the Registrar is composed of electronic components, power module and control panel with buttons and switches, pulse generators and the Registrar are connected by wires, the first pulse generator is mounted on the base, the edges of which the hinges rotatably size is two shoulders disposed levers, between the upper parts of which are equipped with handles, mounted lock their position, formed of concave parts and screw, the second pulse generator is installed below the base on one of the two shoulders of the levers, and in the lower parts of the levers made stops with the slots and the screws securing their position relative to the levers.

2. The device according to claim 1, characterized in that the circuit breakers light provided with depressions and protrusions.

3. The device according to claim 1, characterized in that the lower end part of the limiters have end-rounding surface.

4. The device according to claim 1, characterized in that the recorder is made in the form of a scoreboard.

5. The device according to claim 1, characterized in that the Registrar is equipped with a strap for mounting it to the operator.



 

Same patents:

FIELD: renewing or cleaning the ballast in situ, with or without concurrent work on the track.

SUBSTANCE: method for track scanning in working direction directly in front of ballast grabbing means and for recovery of track position disturbed by ballast grabbing means involves sketching the first and the second measuring chords through two end points correspondingly in track working direction; measuring indicator height in the first measuring chord zone; displacing rear end point of the second measuring chord to correct track position in track transversal direction, wherein indicator height determined by the first indicator height sensor of the first chord and path measurements are recorded in memory to take the last end point of the first measuring chord as a given position point with respect to local track point. Then as end point of the second measuring chord reaches local point above point is displaced up to position in which measured value corresponds to that stored in memory and, thereby, to predetermined position thereof, due to the second measuring chord of the second indicator height sensor. Ballast cleaning machine comprises excavation car including height-adjustable track-lift, ballast grabbing means and sizing car arranged in front of excavation car in car working direction. The first measuring chord and indicator height sensor are attached to sizing car. The second measuring chord of path measuring system with rear end point defined with respect to working direction is associated with excavation car. Path measuring system comprises track indicator and memory to store value measured by the first indicator height sensor depending upon path and to compare thereof with measured value recorded by the second indicator height sensor.

EFFECT: increased simplicity and reduced time of track recovery after ballast cleaning.

2 cl, 3 dwg

FIELD: railway transport; testing.

SUBSTANCE: according to proposed method, frame forces acting onto each wheel-set are measured at passing of each fixed point of rail track by all wheel-sets. Simultaneously side (cross) irregularities of rail lines are measured by cordless methods and basing of received information, six independent equations are set up where 1, j = 1,2,3,4, are wheel-sets; and are side rigidities of left-hand and right-hand rail line in k-th fixed point on rail track; and where and are irregularities of left-hand and right-hand rail lines measured at passing of k-th fixed point by i-th wheel-set; where is frame force acting onto i-th wheel-set at passing k-th fixed point of track. Then system is chosen from six equations consisting of two equations so that system should be nonuniform and definite (determinant and values of rigidities and are found by Cramer formula.

EFFECT: possibility of measuring side rigidity of rail lines by track testing car.

2 cl

FIELD: railway transport; testing.

SUBSTANCE: according to proposed method of measuring vertical rigidities of rail lines by track testing car forces are measured by which track testing car acts on wheels when wheel-sets pass each fixed point. At initially different static loads on axle, vertical irregularities of rail lines are measured by means of two wheel-sets using cordless method. Values of vertical rigidities of rail lines are found as ratio of difference of forces acting onto corresponding (left-hand or right-hand) rail line to difference of vertical irregularities of corresponding rail line in fixed point. Mean rigidity of rail track in each fixed point is determined as mean arithmetic value of vertical rigidities of each rail line.

EFFECT: improved accuracy of measurement of rigidity of rail lines.

3 cl

FIELD: railway transport; track gauge measurements.

SUBSTANCE: proposed multipurpose gauge contains rod, fixed and movable stops, handle with tie-rod guide, device for determining railway track gauge with scale and device for determining distance between working faces of core and guard rail and distance between working faces of check rail and guard rail furnished with scales, respectively, carriage for checking ordinates of transition curves, width of troughs and side wear of rail head furnished with end piece with scale and mating with scale on tie-rod. Proposed method of checking comes to the following: check measurement of gauge is carried out by means of carriage whose end piece is fixed relative to CHECK position notch made on end piece. Then carriage is shifted to side of movable stop until end piece comes in contact with side working face of rail head and readings are taken from carriage scale relative to GAUGE CHECK position notch found on rod. Then gauge is measured by known method. Difference between readings obtained by known method and check measurement should not exceed gauge measurement error. Correspondence of readings is determine by comparing track gauge measurements and measurements of distance between core and guard rail or measurement of distance between check rail and guard rail. Difference between any values of gauge readings and distance between working faces of core and guard rail or distance between working faces of check rail and guard rail should be fixed.

EFFECT: improved maintenance of track gauge and quality of measurements.

5 dwg

FIELD: railway transport; permanent way.

SUBSTANCE: invention relates to methods of checking and forecasting condition of rail track. According to proposed method, running course of body of track-testing car is measured by means of inertia navigational system installed under pivot of test bogie, and running hunting angle of test bogie relative to body is measured by means of angular displacement transducer. Then, using axle box-rail transducers, distance from flanges of corresponding wheels of bogie to rail heads are measured. Basing on obtained information , running courses of rail lines are calculated as running course of body minus running hunting angle of test bogie relative to body minus running angle of parallel misalignment of flanges of wheelsets of test bogie and heads of rail lines. Then running values of horizontal irregularities of rail lines are found as product of bogie base by deflection of running course of rail lines from running averaged courses of rail lines on bogie base calculated from courses of rail lines. Running radii of curvature of rail lines are found by dividing bogie base by measured increment of course angles of rail lines on bogie base.

EFFECT: provision of chordless (single point) method of checking leveling of rail lines.

3 dwg

FIELD: applications of measuring apparatus or devices for track-building purposes.

SUBSTANCE: control method involves setting survey points and determining coordinates of above points in X, Y, Z coordinate system; placing measuring station near structure and determining measuring station position in X, Y, Z coordinate system relative at least one survey point; determining distance and angle between above insertion device and measuring station with the use of above measuring station; calculating insertion device position on the base of above distance and measuring station position; moving insertion device to provide coincidence of above members with predetermined member insertion points along insertion axis. Insertion device comprises lever, which may perform longitudinal and rotational movement in three mutually perpendicular directions. The lever holds members to be inserted in the base and comprises mirrors to determine positions of the lever and the members in three dimensions with the use of measuring station.

EFFECT: increased accuracy and speed of insertion device arrangement on the base, simplified usage and reduced cost.

11 cl, 5 dwg

FIELD: railway transport.

SUBSTANCE: invention can be used for diagnosing condition of rails using combined ultrasonic and magnetic nondestructive testing devices of higher resolving power. Proposed rail track mobile testing device includes vehicle on frame of which flaw detector bogie is mounted with system for pneumatic and manual lifting of bogie I to traveling position. Tracking ski secured on frame of flaw detector bogie is provided with ultrasonic testing converters unit. Mobile device is provides also with pneumatic system for forced pressing of flaw detector bogie to rails made for adjusting force of pressing in vertical axis and with lateral stabilizing device consisting of roller carriage with flexible damping support. Series magnetizing coils of magnetic control device whose inductive sensor is installed after converters unit in rear part of tracing ski in direction of movement of flaw detector bogie, said coils being fitted on axles of wheel-steps of flaw detector bogie and connected to each other. Said magnetizing coils are installed on bearings and are arranged I protective hood secured on frame of flat detector bogie. Housing of converters unit, protective hood and frame of flaw detector bogie are made on nonmagnetic material. Wheels of flaw detector bogie are installed for independent rotation.

EFFECT: increased resolving power at diagnosing condition of rails, increased dynamic stability of device in movement along rails, reduced mass and dimensional characteristics.

2 cl, 1 dwg

FIELD: railway transport.

SUBSTANCE: invention relates to methods of continuous recording of spatial position of track gauge. Proposed method includes recording of information from pickups of rail-to-rail space, covered distance, current course angle, longitudinal and cross grades at vehicle running and calculating of current coordinates of track gauge using data of pickups. Recording of course angle and longitudinal grade from said pickups and determination of current coordinates Xi,Yi,Hi is carried out for one of rail lines relative by any initial direction in horizontal plane at measuring pitch 1. Coordinates of point im corresponding to middle of straightline section connecting extreme points i0 and in are calculated by measured coordinates of extreme points for each preset section of track Pi. Deflection of rail in horizontal and vertical planes, δihδiv respectively, is determined by difference between calculated coordinate of indicated point and measured coordinate of corresponding point. Device for determining spatial parameters of rail tracks has running truck including support wheel and first and second measuring wheels and odometer wheel arranged on one axle over one of rail lines. Support wheel is connected with measuring wheels by link installed at angle of 90° relative to direction of running. Track gauge width pickup is installed on said link. Distance pickup is mounted on odometer wheel. Course and roll indicator is installed on axle connecting measuring wheels. Outputs of distance pickups, track gauge pickup and course and roll indicator are connected with computer through controller.

EFFECT: enlarged functional capabilities, with possibility of determination of relative position of track section in vertical and horizontal planes (level and sag), together with determination of spatial coordinates.

3 cl, 3 dwg

FIELD: railway transport; track maintenance.

SUBSTANCE: geometry of track is measured by using high-accuracy measuring circuit with two mechanically coupled test trucks forming transport and mechanically coupled test trucks forming transport and mechanical part of measuring system and including covered distance meter and truck tilting level sensors relative to horizon and at least one radiating mark (optical radiation source) rigidly installed on first test truck in direction of movement and providing pressing of flange of wheel to inner head of base rail, and optical electronic receiving-and-analyzing system rigidly secured on second truck. Second truck is double axle, with flanges of corresponding wheelsets pressed to inner surface of head of base rail, thus forming measuring base identifying position of base rail in points of contact of corresponding wheelsets.

EFFECT: improved accuracy of measurement at simplification of process.

4 cl, 5 dwg

FIELD: railway transport; permanent way testing facilities.

SUBSTANCE: method of pulling contact system cable comes to the following: each rail 6 is read off by means of distance pickup 16 placed over rail and moved continuously in longitudinal direction of track and scanning in plane 20 passing square to longitudinal direction of track. Problem points of measurement 25 on rail defining geometry of switch are recorded as measurement values in polar system of coordinates. Polar coordinates for measurement values are converted into Cartesian coordinates and information is recorded in memory at continuous measurements of distance by means of measuring wheel after which lateral section for switch 1 is calculated basing on recorded measurement values. Actual measurement values are compared in definite points of measurement 25 with preset values of at least two of enumerated parameters kept in memory, namely, width of clearance between counter-rail and running rail, through clearance or state of tongue as to its wear, minimum width between edge of guide rail and side edge of running rail in curve, width of gauge and/or distance between counter-rails or guide surfaces and deviation of obtained values from preset values. In device for noncontact measurement of lateral section or rail-to-rail distance of track, each pickup 16 is arranged in area over corresponding rail 6 being essentially laser scanner 17 for reading problem points of measurement 25 defining geometry of switch which is made for reciprocation at angle of scanning (α).

EFFECT: provision of quick and accurate determination and evaluation of measurands of vital importance for switch.

4 cl, 6 dwg

FIELD: railway transport.

SUBSTANCE: invention relates to means of checking condition of rail tracks. Proposed track measuring truck includes two recoil wheels rigidly connected in axial direction by base member on which measuring wheels are installed, being mechanically intercoupled. Base member is made in form of sealed hollow frame with parallelogram mechanisms on ends. Guide hollow shafts with stop-shock absorber on end are tightly fitted on end faces of hollow frame for fixing and turning around own axis. Turnable recoil wheel with friction shock absorber on working face is secured on end of hollow shaft, and hollow cup is installed for hermetic axial displacement. Conical hub of measuring wheel is installed on cup for rotation to which rim of measuring wheel with inner conical surface is fastened through conical shock absorber. Conical hub of measuring wheel together with hollow cup is connected through inner space of guide hollow shaft with articulated leverage arranged in sealed space of frame. Axle of central rocker is hermetically installed on hollow frame passing through its center and is coupled at one outer side with shaft of following wheels travel sensor installed on outer side of hollow frame, and at other outer side, with following wheels drive lever on which guide for checking displacement of measuring wheel relative to body is hinge mounted. Axle of following wheels travel sensor is enclosed and fixed in space of axle of central lever by shock absorber compressed in closed space by threaded rod arranged inside central rocker axle.

EFFECT: provision of smooth adjustment of pressure and release forces of following wheel, high-shock absorbing properties of truck at impacts.

6 cl, 3 dwg

FIELD: renewing or cleaning the ballast in situ, with or without concurrent work on the track.

SUBSTANCE: method for track scanning in working direction directly in front of ballast grabbing means and for recovery of track position disturbed by ballast grabbing means involves sketching the first and the second measuring chords through two end points correspondingly in track working direction; measuring indicator height in the first measuring chord zone; displacing rear end point of the second measuring chord to correct track position in track transversal direction, wherein indicator height determined by the first indicator height sensor of the first chord and path measurements are recorded in memory to take the last end point of the first measuring chord as a given position point with respect to local track point. Then as end point of the second measuring chord reaches local point above point is displaced up to position in which measured value corresponds to that stored in memory and, thereby, to predetermined position thereof, due to the second measuring chord of the second indicator height sensor. Ballast cleaning machine comprises excavation car including height-adjustable track-lift, ballast grabbing means and sizing car arranged in front of excavation car in car working direction. The first measuring chord and indicator height sensor are attached to sizing car. The second measuring chord of path measuring system with rear end point defined with respect to working direction is associated with excavation car. Path measuring system comprises track indicator and memory to store value measured by the first indicator height sensor depending upon path and to compare thereof with measured value recorded by the second indicator height sensor.

EFFECT: increased simplicity and reduced time of track recovery after ballast cleaning.

2 cl, 3 dwg

FIELD: railway transport; testing.

SUBSTANCE: according to proposed method, frame forces acting onto each wheel-set are measured at passing of each fixed point of rail track by all wheel-sets. Simultaneously side (cross) irregularities of rail lines are measured by cordless methods and basing of received information, six independent equations are set up where 1, j = 1,2,3,4, are wheel-sets; and are side rigidities of left-hand and right-hand rail line in k-th fixed point on rail track; and where and are irregularities of left-hand and right-hand rail lines measured at passing of k-th fixed point by i-th wheel-set; where is frame force acting onto i-th wheel-set at passing k-th fixed point of track. Then system is chosen from six equations consisting of two equations so that system should be nonuniform and definite (determinant and values of rigidities and are found by Cramer formula.

EFFECT: possibility of measuring side rigidity of rail lines by track testing car.

2 cl

FIELD: railway transport; testing.

SUBSTANCE: according to proposed method of measuring vertical rigidities of rail lines by track testing car forces are measured by which track testing car acts on wheels when wheel-sets pass each fixed point. At initially different static loads on axle, vertical irregularities of rail lines are measured by means of two wheel-sets using cordless method. Values of vertical rigidities of rail lines are found as ratio of difference of forces acting onto corresponding (left-hand or right-hand) rail line to difference of vertical irregularities of corresponding rail line in fixed point. Mean rigidity of rail track in each fixed point is determined as mean arithmetic value of vertical rigidities of each rail line.

EFFECT: improved accuracy of measurement of rigidity of rail lines.

3 cl

FIELD: railway transport; measuring facilities.

SUBSTANCE: invention can be used for processing signals at noncontact measuring of deflection of rails from straight line in one or several planes. Proposed rail straightness checker contains mechanical part for fastening measuring pickups, mechanism to shaft rail through check zone, track impulse pickups at input and output of measuring set, at least three radio frequency pickups for noncontact measurement of distance to rail surface in each plane under checking, markers for automatic discarding of products, operation unit and evaluation unit consisting of spline factor calculation unit, local profile evaluation unit, first storage unit, first, second and third subtracrtion units, first, second and third summers, second storage unit, averging unit, third storage unit, local sag evaluation unit and fourth storage unit interconnected in corresponding manner.

EFFECT: provision of reliable results of evaluation of longitudinal profile of rail and local sags relative to base on any preset length, including end sections.

1 tbl, 7 dwg

FIELD: railway transport; permanent way.

SUBSTANCE: invention relates to methods of checking and forecasting condition of rail track. According to proposed method, running course of body of track-testing car is measured by means of inertia navigational system installed under pivot of test bogie, and running hunting angle of test bogie relative to body is measured by means of angular displacement transducer. Then, using axle box-rail transducers, distance from flanges of corresponding wheels of bogie to rail heads are measured. Basing on obtained information , running courses of rail lines are calculated as running course of body minus running hunting angle of test bogie relative to body minus running angle of parallel misalignment of flanges of wheelsets of test bogie and heads of rail lines. Then running values of horizontal irregularities of rail lines are found as product of bogie base by deflection of running course of rail lines from running averaged courses of rail lines on bogie base calculated from courses of rail lines. Running radii of curvature of rail lines are found by dividing bogie base by measured increment of course angles of rail lines on bogie base.

EFFECT: provision of chordless (single point) method of checking leveling of rail lines.

3 dwg

FIELD: railway transport.

SUBSTANCE: method comes to measuring vertical and horizontal accelerations of meter body and those of left-hand and right-hand axle boxes of one of its wheelsets, determining values of measured accelerations and components of vertical accelerations of axle boxes for preset fixed running speed, and comparing obtained values with tolerable values and determining minimum value of maximum running speed of meter on particular section of rail track. Proposed device contains covered part transmitter, initial data packet shaper, accumulator, filter unit, operator's panel, acceleration meters, speed meter, board time system, scaling unit, path irregularities detector, wheel out-of-roundness detector, body vibration intensity detector, maximum speed meter and report date packet shaper. Group of inventions provides determination, with high accuracy and reliability, values of accelerations appearing in main members of meter-path system and obtaining complex characteristics of dynamic interaction of rail track and running train.

EFFECT: simple design of device, low cost.

3 cl, 2 dwg

FIELD: railway transport.

SUBSTANCE: invention can be used for diagnosing condition of rails using combined ultrasonic and magnetic nondestructive testing devices of higher resolving power. Proposed rail track mobile testing device includes vehicle on frame of which flaw detector bogie is mounted with system for pneumatic and manual lifting of bogie I to traveling position. Tracking ski secured on frame of flaw detector bogie is provided with ultrasonic testing converters unit. Mobile device is provides also with pneumatic system for forced pressing of flaw detector bogie to rails made for adjusting force of pressing in vertical axis and with lateral stabilizing device consisting of roller carriage with flexible damping support. Series magnetizing coils of magnetic control device whose inductive sensor is installed after converters unit in rear part of tracing ski in direction of movement of flaw detector bogie, said coils being fitted on axles of wheel-steps of flaw detector bogie and connected to each other. Said magnetizing coils are installed on bearings and are arranged I protective hood secured on frame of flat detector bogie. Housing of converters unit, protective hood and frame of flaw detector bogie are made on nonmagnetic material. Wheels of flaw detector bogie are installed for independent rotation.

EFFECT: increased resolving power at diagnosing condition of rails, increased dynamic stability of device in movement along rails, reduced mass and dimensional characteristics.

2 cl, 1 dwg

FIELD: railway transport; permanent way.

SUBSTANCE: proposed device for checking condition of switch tongue includes movable and fixed members in form of tongue includes movable and fixed members in form of tongue and ties with adjoining and second stock rails secured on ties and it contains one tongue position pickup relative to adjoining stock rail designed for shunting track circuits of automatic block system. Device is furnished with stop shoe secured on fixed member of track and designed for limiting displacement of tongue along adjoining stock rail. Tongue position pickup is made in form of stationary and movable contacts. Used as stationary contact is said stop shoe which is electrically connected with adjoining stock rail and is electrically insulated from second stock rail. Movable contact is electrically connected with second stock rail being electrically insulated from adjoining stock rail and installed for power interaction with tongue and forming electric connection with stationary contact.

EFFECT: improved safety of traffic, enlarged functional capabilities of device.

5 cl, 3 dwg

FIELD: railway transport; track maintenance.

SUBSTANCE: geometry of track is measured by using high-accuracy measuring circuit with two mechanically coupled test trucks forming transport and mechanically coupled test trucks forming transport and mechanical part of measuring system and including covered distance meter and truck tilting level sensors relative to horizon and at least one radiating mark (optical radiation source) rigidly installed on first test truck in direction of movement and providing pressing of flange of wheel to inner head of base rail, and optical electronic receiving-and-analyzing system rigidly secured on second truck. Second truck is double axle, with flanges of corresponding wheelsets pressed to inner surface of head of base rail, thus forming measuring base identifying position of base rail in points of contact of corresponding wheelsets.

EFFECT: improved accuracy of measurement at simplification of process.

4 cl, 5 dwg

FIELD: railway transport; measuring facilities.

SUBSTANCE: invention relates to special purpose devices for measuring separate geometric parameters of reinforced concrete ties, i.e. propelling and canting of rail flats on reinforced concrete ties. Proposed device contains housing 1 with fitted-on transport handle 2, right-hand support 3 and left-hand support 4. First support screw 5 and second support screw 6 are installed on right-hand support 3, third support screw 7 and fourth support screw 8 are installed on left-hand support 4, right-hand catcher 9 and left-hand catcher 10 are installed on ends of housing 1, sensor 11 is secured on first support screw 5. Housing 1 carries also right-hand orientation handle 13 with pushbutton 15 and left-hand orientation handle 14. Base 16 is fastened in central part of housing 1, controller 17 and supply compartment 18 being secured on base 16. Device for measuring rail flat canting contains housing 1 with fitted-on transport handle 2, right-hand support 3 and left-hand support 4. First support screw 5 and second support screw 6 are installed on right-hand support 3. And third support screw 7 and fourth support screw 8 are installed on left0hand support 4. Right-hand catcher 9 and left-hand catcher 10 are installed on ends of housing 1, first sensor 11 is secured on first support screw 5, and second sensor 19 is installed on fourth support screw 8. Housing 1 carries right-hand orientation handle 13 with pushbutton 15, and left-hand orientation handle 14. Base 16 with fitted-on controller 17 and supply compartment 18 is secured in central part of housing 1. Moreover, support 21 is connected to housing 1 through vertical rods in central part.

EFFECT: improved efficiency of measurements, increased accuracy and provision of operative measurement of parameters under checking.

3 cl, 2 dwg

Up!