CN112550347B - Track measuring method and auxiliary device used by same - Google Patents
Track measuring method and auxiliary device used by same Download PDFInfo
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- CN112550347B CN112550347B CN202011463004.5A CN202011463004A CN112550347B CN 112550347 B CN112550347 B CN 112550347B CN 202011463004 A CN202011463004 A CN 202011463004A CN 112550347 B CN112550347 B CN 112550347B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 18
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 69
- 239000010959 steel Substances 0.000 claims description 69
- 238000005096 rolling process Methods 0.000 claims description 17
- 239000003550 marker Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 238000000691 measurement method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 6
- 241001669679 Eleotris Species 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
- B61D15/12—Railway inspection trolleys power propelled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F7/00—Rail vehicles equipped for use on tracks of different width
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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
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/042—Track changes detection
- B61L23/045—Rail wear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the technical field of the technique that the track was measured and specifically relates to a track measurement method and auxiliary device who uses thereof relates to, and it is including the frame that is located the rail top, the below of frame is equipped with the detection mechanism who is used for detecting two rail intervals, and detection mechanism is connected with the range finding mechanism of amplification that enlargies the interval change of two rails, and the frame is equipped with initiative running gear and the driven running gear who drives the frame and walk along the rail respectively in the both sides that are close to two rails, and this application has the effect that improves detection equipment and detects orbital efficiency, alleviates measurement personnel intensity of labour.
Description
Technical Field
The present disclosure relates to the field of rail measurement technologies, and in particular, to a rail measurement method and an auxiliary device used in the rail measurement method.
Background
Railway tracks are called rails, tracks and the like for short, are mainly used on railways and cooperate with a point switch to enable a train to walk without steering; the railway track is usually composed of two parallel steel rails, the steel rails are fixedly arranged on a sleeper, and ballast is arranged below the sleeper and is fastened by railway accessories such as rail braces, fasteners, rail pressing devices, rail clamping plates, elastic strips, railway spikes and the like; the railway rails are made of steel and can bear larger weight than other materials; the sleeper, also known as a sleeper, or a sleeper, functions to distribute and maintain a fixed gauge separately from the weight of the rail and the pressure to which the rail is subjected, maintaining the gauge of the rail.
After the rail is rolled by a train or other transportation equipment for a long time, the inner sides of the two steel rails which are opposite to each other can be worn in different degrees, so that the distance between the two steel rails is irregularly changed, the transportation equipment passing through the rail is staggered left and right, rail gnawing frequently occurs in the transportation equipment, even derailment occasionally occurs, and therefore, special maintenance personnel are required to regularly detect the distance between the two steel rails.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the related detection process is that the detection personnel push the detection equipment by hand, so that the detection equipment advances along the track and measures, the efficiency is lower, and the labor intensity of the detection personnel is increased.
Disclosure of Invention
In order to improve the efficiency of detecting the track by the detection equipment and reduce the labor intensity of detection personnel, the application provides a track measuring method and an auxiliary device used by the track measuring method.
The technical scheme adopted by the track measuring method and the auxiliary device used by the track measuring method is as follows: the utility model provides an auxiliary device that track measurement used, is including the frame that is located the rail top, the below of frame is equipped with the detection mechanism that is used for detecting two rail intervals, and detection mechanism is connected with and carries out the range finding amplification mechanism that enlargies with the interval change of two rails, and the frame is equipped with initiative running gear and the driven running gear who drives the frame and walk along the rail respectively in the both sides that are close to two rails.
Through adopting above-mentioned technical scheme, driven running gear cooperation initiative running gear drives the frame jointly and follows the rail walking, improves the orbital efficiency of check out test set detection, alleviates measurement personnel's intensity of labour, and the frame supports detection mechanism and drives the interval that detection mechanism detects two rails in succession, and range finding amplification mechanism amplifies the variable quantity of two rail intervals that detection mechanism detected, makes measurement personnel easily learn the variable quantity of two rail intervals fast, and then restores the correction to the rail.
Optionally, detection mechanism includes main measuring staff and vice measuring staff, the inside cavity of main measuring staff, vice measuring staff inserts inside and main measuring staff sliding fit of main measuring staff, the equal roll connection in both ends that vice measuring staff deviates from each other has the range finding wheel, the outer peripheral face of two range finding wheels all with two mutual just right inboard roll butt of rail, be equipped with in the main measuring staff and be used for making two range finding wheels support the tension spring of two rails all the time, the bottom surface of frame has set firmly main sliding sleeve and vice sliding sleeve, main measuring staff wears to establish in the main sliding sleeve with main sliding sleeve sliding fit, vice measuring staff penetrates in the vice sliding sleeve with vice sliding sleeve sliding fit.
Through adopting above-mentioned technical scheme, the tight spring in top receives pressure all the time, the tight spring in top makes two range finding wheels support tightly two rails all the time, the frame passes through main sliding sleeve, vice sliding sleeve drives main measuring staff, vice measuring staff moves the walking along the rail, at this in-process, two range finding wheels last the rotation make main measuring staff, the removal walking of vice measuring staff is more smooth and easy, when the interval of two rails takes place small change, vice measuring staff and main measuring staff take place the relative slip, main measuring staff, vice measuring staff respectively with main sliding sleeve, vice sliding sleeve takes place the relative slip, the process that makes the detection rail interval is more high-efficient accurate.
Optionally, the distance measuring and amplifying mechanism comprises two marker posts hinged to each other, the outer side faces, close to the hinged positions, of the two marker posts are rotatably connected with connecting posts, and the two connecting posts are respectively rotatably connected with the main measuring post and the auxiliary measuring post.
Through adopting above-mentioned technical scheme, when the interval of two rail takes place small change, vice measuring staff takes place the relative slip with main measuring staff, vice measuring staff drives two sighting rods respectively and takes place the contained angle that relative rotation made two sighting rods and changes, two spliced poles and sighting rod, main measuring rod, all emergence relative rotation of vice measuring rod, two sighting rods take place to reciprocate in vertical face, the distance change of easily observing takes place for the both ends that two sighting rods kept away from each other, enlarge the rank to easily observing with the small distance change of rail, improve detection efficiency.
Optionally, the frame is seted up and is run through the logical groove of frame self, and two ends that the sighting rod was kept away from each other are passed logical groove and are led to groove sliding fit, and the top surface of frame is being close to and leads to the fixed scale mark that is provided with in groove department, and it is provided with the pointer to slide in two sighting rods, and the bottom surface and the frame of pointer are slided and are laminated, the directional scale mark of pointer.
Through adopting above-mentioned technical scheme, when relative rotation takes place for two sighting rods, two sighting rods can take place the displacement in the vertical plane, and the pointer can take place the relative slip with the sighting rod, and the pointer laminates the upper surface in the frame all the time under the effect of gravity, and the both ends that two sighting rods kept away from each other drive the pointer and remove, and the pointer can the directional different scale mark, can be easily and the short-term test in the interval change of two rails through observing the directional different scale mark of pointer, improves detection efficiency.
Optionally, the driving travelling mechanism comprises a main sliding block, a servo motor and a main travelling wheel, the main sliding block is connected with the rack in a sliding manner, the sliding direction of the main sliding block is parallel to the main measuring rod, the servo motor is fixedly connected with the bottom surface of the main sliding block, the main travelling wheel is fixedly connected with an output shaft of the servo motor, and the peripheral surface of the main travelling wheel is in rolling and abutting joint with the top surface of the steel rail; the driven travelling mechanism comprises an auxiliary sliding block and an auxiliary travelling wheel, the auxiliary sliding block is in sliding connection with the sliding groove, a supporting plate is fixedly arranged at the bottom of the auxiliary sliding block, the auxiliary travelling wheel is in rolling connection with the supporting plate, and the auxiliary travelling wheel is in rolling butt joint with the top surface of the steel rail.
Through adopting above-mentioned technical scheme, main walking wheel and vice walking wheel drive the frame jointly and walk along the rail, and servo motor drives main walking wheel rotatory, and main walking wheel drives the frame walking, can adjust the interval of main walking wheel and vice walking wheel through the interval of adjusting main slider and vice slider to make the frame can walk at the rail spare of different intervals, enlarge this auxiliary device's detection range.
Optionally, the two ends that main walking wheel, vice walking wheel deviate from each other have set firmly main backstop ring, vice backstop ring respectively, and main backstop ring, vice backstop ring just right two medial surfaces each other all with two lateral surfaces roll butt that the rail deviates from each other.
Through adopting above-mentioned technical scheme, the side roll butt of main backstop ring, vice backstop ring and two rail can form spacingly to main walking wheel, vice walking wheel, reduces main walking wheel, vice walking wheel and is in the risk that the in-process of walking along the rail breaks away from to the rail outside, improves main walking wheel, vice walking wheel's walking stability.
Optionally, the common thread fit of main slider, vice slider has the lead screw, and lead screw and main slider, vice slider thread fit's external screw thread revolve to opposite, and the top surface of frame has set firmly the support, and the lead screw runs through the support and is connected with the support rotation.
Through adopting above-mentioned technical scheme, the support supports the rotation of lead screw, when the interval of main slider, vice slider is adjusted to needs, rotates the lead screw, and the lead screw changes the interval of main slider, vice slider, and then changes the interval of main walking wheel, vice walking wheel, makes this auxiliary device can walk between the rail of different intervals.
Optionally, the distance measuring wheel is made of polyurethane raw materials.
Through adopting above-mentioned technical scheme, adopt polyurethane raw and other materials preparation range finding wheel to make the range finding wheel have elasticity, at the testing process, carry out nondestructive test to the rail.
Optionally, the outer peripheral surfaces of the main travelling wheel and the auxiliary travelling wheel are fixedly provided with a protection pad, and the protection pad is in rolling butt joint with the top surface of the steel rail.
Through adopting above-mentioned technical scheme, in the testing process, the protection pad avoids main walking wheel, vice walking wheel direct contact rail, realizes carrying out nondestructive test to the rail.
Optionally, a rail measurement method using the auxiliary device is characterized in that: the method comprises the following steps:
s1, placing the auxiliary device used for track measurement on the two steel rails, enabling the two distance measuring wheels to be abutted against the inner side faces, opposite to the two steel rails, of the two steel rails, and enabling the main travelling wheels and the auxiliary travelling wheels to be abutted against the steel rails to support the whole auxiliary device;
s2, rotating the screw rod to enable the opposite inner sides of the main stop ring and the auxiliary stop ring to be abutted against the outer vertical surfaces of the two steel rails;
and S3, starting a servo motor, driving the main traveling wheel to drive the whole auxiliary device to travel along the steel rail by the servo motor, and observing the variable quantity of the two pointers pointing to the scale marks so as to determine the distance change degree of the two steel rails.
By adopting the technical scheme, the auxiliary device used for track measurement is placed on the two steel rails, the two distance measuring wheels are abutted against the inner side surfaces of the two steel rails which are opposite to each other, and the main travelling wheel and the auxiliary travelling wheel are abutted against the steel rails to support the whole auxiliary device; the lead screw is rotated to make main backstop ring, the mutual just right outside facade of two rail of inboard equal butt of vice backstop ring, make main walking wheel, vice walking wheel can be all the time along the stable walking of rail, start servo motor, servo motor drive main walking wheel drives whole auxiliary device and follows the rail walking, main walking wheel, vice walking wheel supports the walking of frame jointly, at the in-process of this auxiliary device walking, observe the interval change degree that two rail can be confirmed fast accurately to the variable quantity of the directional scale mark of two sighting rod sliding connection's pointer, improve and detect auxiliary device and detect orbital efficiency, alleviate detection personnel's intensity of labour.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the active travelling mechanism, the active travelling mechanism drives the whole detection auxiliary device to travel along the steel rail, so that the efficiency of the detection auxiliary device for detecting the rail is improved, and the labor intensity of detection personnel is reduced;
2. by arranging the distance measurement amplifying mechanism, the distance measurement amplifying mechanism can amplify the tiny distance variation of the two steel rails, which is measured by the detection mechanism, to a level which can be directly observed by a detection person, so that the detection efficiency of the auxiliary detection device is improved;
3. through setting up the lead screw, rotate the lead screw and can finally adjust the interval of main walking wheel and vice walking wheel, make this auxiliary device can follow the rail walking of different intervals.
Drawings
FIG. 1 is a schematic structural diagram of an auxiliary device used in track measurement according to an embodiment of the present application;
FIG. 2 is an exploded view of a slide slot;
FIG. 3 is an exploded view of a spring embodying a hold-down spring;
fig. 4 is an exploded schematic view embodying a slide bar.
Description of reference numerals: 1. a frame; 11. a sliding groove; 111. a dovetail groove; 12. a support; 13. a primary strut; 131. a main sliding sleeve; 14. a secondary strut; 141. an auxiliary sliding sleeve; 15. a through groove; 16. scale lines; 2. a detection mechanism; 21. a main measuring rod; 211. a spring is tightly pressed; 22. an auxiliary measuring rod; 3. a ranging and amplifying mechanism; 31. a marker post; 311. connecting columns; 312. a chute; 313. a slide bar; 314. a pointer; 4. an active traveling mechanism; 41. a main slider; 411. a main dovetail block; 42. a servo motor; 43. a main traveling wheel; 431. a primary stop ring; 5. a driven traveling mechanism; 51. a sub slider; 511. a support plate; 512. an auxiliary dovetail block; 52. the auxiliary traveling wheels; 521. a secondary stop ring; 6. a lead screw; 7. a distance measuring wheel; 8. and (6) a protective pad.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses auxiliary device that track measurement used, refer to fig. 1 and fig. 2, auxiliary device that track measurement used includes frame 1 that the level was arranged, the below of frame 1 is equipped with detection mechanism 2 that is used for detecting two rail intervals, detection mechanism 2 is connected with and carries out the range finding amplification mechanism 3 that enlargies with the small interval variation of two rails, frame 1 is equipped with the initiative running gear 4 that drives frame 1 along the rail walking in one side that is close to the rail, frame 1 slides in one side that is close to the opposite side rail and is equipped with the driven running gear 5 that is convenient for frame 1 along the rail walking, the top surface of frame 1 rotates and is provided with the lead screw 6 of adjusting the interval between initiative running gear 4 and the driven running gear 5.
Referring to fig. 1 and 2, driven running gear 5 cooperates initiative running gear 4 to drive frame 1 jointly and follows the rail walking, improve the orbital efficiency of check out test set detection, alleviate detection personnel's intensity of labour, frame 1 supports detection mechanism 2 and drives the interval that detection mechanism 2 detects two rails in succession, range finding mechanism of amplification 3 amplifies the variable quantity of two rail intervals that detection mechanism 2 detected, make detection personnel easily learn the variable quantity of two rail intervals fast, and then repair the rail and correct, rotate lead screw 6, can change main running gear, the interval between the vice running gear, make this auxiliary device can walk between the rail of different intervals, enlarge detection range.
Referring to fig. 1 and 2, the driving traveling mechanism 4 includes a main slider 41, a servo motor 42 and a main traveling wheel 43, both sides of the rack 1 near the steel rail are respectively provided with a sliding groove 11 parallel to the main measuring rod 21, both inner walls of the sliding grooves 11 facing each other are respectively provided with dovetail grooves 111 facing each other, the main slider 41 is in sliding fit with the sliding groove 11, both sides of the main slider 41 facing the two dovetail grooves 111 are respectively and integrally formed with a main dovetail block 411, the main dovetail blocks 411 are in sliding fit with the dovetail grooves 111, the servo motor 42 is welded and fixed to the bottom surface of the main slider 41, and the main traveling wheel 43 is welded and fixed to the output shaft of the servo motor 42; the driven travelling mechanism 5 comprises an auxiliary sliding block 51 and auxiliary travelling wheels 52, the auxiliary sliding block 51 is in sliding fit with the sliding groove 11, auxiliary dovetail blocks 512 are integrally formed on the two sides of the auxiliary sliding block 51 facing the dovetail groove 111, the auxiliary dovetail blocks 512 are in sliding fit with the dovetail groove 111, a supporting plate 511 is integrally formed at the bottom of the auxiliary sliding block 51, and the auxiliary travelling wheels 52 are in rolling connection with the supporting plate 511; two ends of the main walking wheel 43 and the auxiliary walking wheel 52, which are away from each other, are respectively and integrally formed with a main stop ring 431 and an auxiliary stop ring 521, and two inner side surfaces, which are opposite to each other, of the main stop ring 431 and the auxiliary stop ring 521 are in rolling contact with two outer side surfaces, which are away from each other, of the two steel rails; the outer peripheral surfaces of the main traveling wheels 43 and the auxiliary traveling wheels 52 are respectively fixedly bonded with a protective pad 8, and the protective pads 8 are in rolling contact with the top surfaces of the rails.
Referring to fig. 1 and 2, the main traveling wheel 43 and the auxiliary traveling wheel 52 jointly drive the rack 1 to travel along the steel rail, the servo motor 42 drives the main traveling wheel 43 to rotate, the main traveling wheel 43 drives the rack 1 to travel, the rack 1 enables the auxiliary traveling wheel 52 to rotate, the auxiliary traveling wheel 52 rotates to enable the rack 1 to travel more smoothly, and the distance between the main traveling wheel 43 and the auxiliary traveling wheel 52 can be adjusted by adjusting the distance between the main sliding block 41 and the auxiliary sliding block 51, so that the rack 1 can travel on steel rail pieces with different distances, and the detection range of the auxiliary device is expanded; the main stop ring 431 and the auxiliary stop ring 521 are in rolling contact with the side surfaces of the two steel rails to limit the main travelling wheel 43 and the auxiliary travelling wheel 52, so that the risk that the main travelling wheel 43 and the auxiliary travelling wheel 52 are separated to the outer side of the steel rails in the process of travelling along the steel rails is reduced, and the travelling stability of the main travelling wheel 43 and the auxiliary travelling wheel 52 is improved; in the detection process, the protection pad 8 prevents the main travelling wheels 43 and the auxiliary travelling wheels 52 from directly contacting the steel rail, and the nondestructive detection of the steel rail is realized.
Referring to fig. 1 and 2, a support 12 is integrally formed on the top surface of the frame 1, a lead screw 6 penetrates through the support 12 and is rotatably connected with the support 12, two ends of the lead screw 6 are respectively in threaded fit with a main slider 41 and an auxiliary slider 51, two ends of the lead screw 6 are opposite to the threaded fit external threads of the main slider 41 and the auxiliary slider 51, the support 12 supports the rotation of the lead screw 6, when the distance between the main slider 41 and the auxiliary slider 51 needs to be adjusted, the lead screw 6 is rotated, the lead screw 6 changes the distance between the main slider 41 and the auxiliary slider 51, and further changes the distance between a main travelling wheel 43 and an auxiliary travelling wheel 52, so that the auxiliary device can travel between rails with different distances.
Referring to fig. 2 and 3, the detecting mechanism 2 includes a main measuring rod 21 and an auxiliary measuring rod 22, the main measuring rod 21 is hollow, the auxiliary measuring rod 22 is inserted into the main measuring rod 21 and is in sliding fit with the main measuring rod 21, two ends of the main measuring rod 21 and the auxiliary measuring rod 22, which are away from each other, are connected with elastic measuring wheels 7 made of polyurethane raw materials in a rolling manner, the outer peripheral surfaces of the two measuring wheels 7 are in rolling contact with the inner sides of two steel rails, which are opposite to each other, a tension spring 211 is arranged in the main measuring rod 21, one end of the tension spring 211 is fixedly bonded with the bottom of the main measuring rod 21, the other end of the tension spring 211 is fixedly bonded with one end of the auxiliary measuring rod 22 in the main measuring rod 21, a vertical main supporting rod 13 and an auxiliary supporting rod 14 are integrally formed on the bottom surface of the frame 1, a main sliding sleeve 131 and an auxiliary sliding sleeve 141 are respectively integrally formed at one end of the main supporting rod 13 and the auxiliary supporting rod 14, the main sliding sleeve 131 is inserted into the main sliding sleeve 131 and is in sliding fit with the main sliding sleeve 131, the auxiliary measuring rod 22 penetrates into the auxiliary sliding sleeve 141 and is in sliding fit with the auxiliary sliding sleeve 141.
Referring to fig. 2 and 3, the tightening spring 211 is always pressed, the tightening spring 211 enables the two distance measuring wheels 7 to always abut against the two steel rails, the distance measuring wheels 7 are made of polyurethane raw materials, so that the distance measuring wheels 7 have elasticity, in the detection process, nondestructive detection is performed on the steel rails, the frame 1 drives the main measuring rod 21 and the auxiliary measuring rod 22 to move and walk along the steel rails through the main sliding sleeve 131 and the auxiliary sliding sleeve 141, in the process, the two distance measuring wheels 7 continuously rotate to enable the main measuring rod 21 and the auxiliary measuring rod 22 to move and walk more smoothly, when the distance between the two steel rails slightly changes, the auxiliary measuring rod 22 and the main measuring rod 21 slide relatively, the main measuring rod 21 and the auxiliary measuring rod 22 respectively slide relatively with the main sliding sleeve 131 and the auxiliary sliding sleeve 141, and the process of detecting the distance between the steel rails is more efficient and accurate.
Referring to fig. 2 and 4, the ranging and amplifying mechanism 3 includes two marker posts 31 hinged to each other, the outer side surfaces of the two marker posts 31 near the hinged positions are rotatably connected with connecting posts 311, and the two connecting posts 311 are respectively rotatably connected with the main measuring rod 21 and the auxiliary measuring rod 22; frame 1 has seted up the logical groove 15 that runs through frame 1 self, the extending direction who leads to groove 15 is on a parallel with main measuring pole 21, two marker posts 31 both ends of keeping away from each other pass logical groove 15 and lead to groove 15 sliding fit, the top surface of frame 1 is being close to logical fixed scale mark 16 that is provided with in groove 15 department, two marker posts 31 have all been seted up the spout 312 that runs through marker posts 31 self, sliding fit has slide bar 313 in spout 312, the equal integrated into one piece in both ends of slide bar 313 has pointer 314, the bottom surface of pointer 314 and the top surface of frame 1 are slided and are laminated, the directional scale mark 16 of pointer 314.
Referring to fig. 2 and 4, when the distance between the two steel rails slightly changes, the auxiliary measuring rod 22 and the main measuring rod 21 relatively slide, the main measuring rod 21 and the auxiliary measuring rod 22 respectively drive the two marking rods 31 to relatively rotate so as to change the included angle between the two marking rods 31, the two connecting columns 311, the marking rods 31, the main measuring rod 21 and the auxiliary measuring rod 22 relatively rotate, the two marking rods 31 move up and down in the vertical plane, the two ends of the two marking rods 31, which are far away from each other, change the distance which is easy to observe, the pointer 314 and the marking rods 31 relatively slide, the pointer 314 is always attached to the upper surface of the rack 1 under the action of gravity, the two ends of the two marking rods 31, which are far away from each other, drive the pointer 314 to move, and the pointer 314 points to different scale marks 16, the distance variation of the two steel rails can be easily and quickly detected by observing that the pointer 314 points to different scale marks 16, and the detection efficiency is improved.
The embodiment of the application also discloses a track measuring method using the auxiliary device, which comprises the following steps:
s1, referring to the figure 1 and the figure 2, the auxiliary device used for track measurement is placed on the two steel rails, the two distance measuring wheels 7 are abutted against the inner side faces of the two steel rails which are opposite to each other, and the main travelling wheels 43 and the auxiliary travelling wheels 52 are abutted against the steel rails to support the whole auxiliary device;
s2, referring to fig. 1 and 2, the distance between the main sliding block 41 and the auxiliary sliding block 51 is adjusted by rotating the lead screw 6, so that the opposite inner sides of the main stop ring 431 and the auxiliary stop ring 521 are abutted against the outer vertical surfaces of the two steel rails, and the walking stability of the auxiliary device is improved;
s3, referring to fig. 1 and 2, the servo motor 42 is started, the servo motor 42 drives the main traveling wheel 43 to drive the whole auxiliary device to travel along the steel rail, the included angle between the two marker posts 31 will change continuously, and the change degree of the distance between the two steel rails can be easily and quickly determined by observing the change amount of the two pointers 314 pointing to the scale marks 16.
The implementation principle of the track measuring method and the auxiliary device used by the track measuring method in the embodiment of the application is as follows: the auxiliary device used for track measurement is placed on the two steel rails, the two distance measuring wheels 7 are abutted against the inner side faces, opposite to the two steel rails, of the two steel rails, and the main travelling wheels 43 and the auxiliary travelling wheels 52 are abutted against the steel rails to support the whole auxiliary device; the distance between the main sliding block 41 and the auxiliary sliding block 51 is adjusted by rotating the screw rod 6, so that the inner sides, which are opposite to each other, of the main stop ring 431 and the auxiliary stop ring 521 are abutted against the outer vertical surfaces of the two steel rails, and the walking stability of the auxiliary device is improved; the servo motor 42 is started, the servo motor 42 drives the main traveling wheel 43 to drive the whole auxiliary device to travel along the steel rail, the included angle of the two marker posts 31 can be changed continuously, and the change degree of the distance between the two steel rails can be determined easily and quickly by observing the change amount of the two pointers 314 pointing to the scale marks 16.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. An auxiliary device that track measurement used which characterized in that: the device comprises a rack (1) positioned above steel rails, wherein a detection mechanism (2) for detecting the distance between the two steel rails is arranged below the rack (1), the detection mechanism (2) is connected with a distance measurement amplification mechanism (3) for amplifying the change of the distance between the two steel rails, and a driving travelling mechanism (4) and a driven travelling mechanism (5) for driving the rack (1) to travel along the steel rails are respectively arranged on two sides of the rack (1) close to the two steel rails; the detection mechanism (2) comprises a main measuring rod (21) and an auxiliary measuring rod (22), the main measuring rod (21) is hollow, the auxiliary measuring rod (22) is inserted into the main measuring rod (21) and is in sliding fit with the main measuring rod (21), two ends of the main measuring rod (21) and the auxiliary measuring rod (22) which deviate from each other are connected with distance measuring wheels (7) in a rolling mode, the outer peripheral surfaces of the two distance measuring wheels (7) are in rolling butt joint with the inner sides of the two steel rails which are opposite to each other, a jacking spring (211) used for enabling the two distance measuring wheels (7) to always butt against the two steel rails is arranged in the main measuring rod (21), a main sliding sleeve (131) and an auxiliary sliding sleeve (141) are fixedly arranged on the bottom surface of the rack (1), the main measuring rod (21) penetrates into the main sliding sleeve (131) to be in sliding fit with the main sliding sleeve (131), and the auxiliary measuring rod (22) penetrates into the auxiliary sliding sleeve (141) to be in sliding fit with the auxiliary sliding sleeve (141); the ranging amplification mechanism (3) comprises two marker posts (31) which are hinged with each other, the outer side surfaces of the two marker posts (31) close to the hinged parts of the marker posts are respectively and rotatably connected with connecting posts (311), and the two connecting posts (311) are respectively and rotatably connected with the main measuring rod (21) and the auxiliary measuring rod (22); frame (1) is seted up and is run through logical groove (15) of frame (1) self, and two ends that marker post (31) kept away from each other pass logical groove (15) and lead to groove (15) sliding fit, and the top surface of frame (1) is being close to fixed scale mark (16) that is provided with in logical groove (15) department, and it is provided with pointer (314) to slide in two marker posts (31), and the bottom surface and the frame (1) of pointer (314) are laminated by sliding, and pointer (314) point to scale mark (16).
2. An auxiliary device for track measurement use according to claim 1, wherein: the active walking mechanism (4) comprises a main sliding block (41), a servo motor (42) and a main walking wheel (43), the main sliding block (41) is connected with the rack (1) in a sliding mode, the sliding direction of the main sliding block (41) is parallel to the main measuring rod (21), the servo motor (42) is fixedly connected with the bottom surface of the main sliding block (41), the main walking wheel (43) is fixedly connected with an output shaft of the servo motor (42), and the peripheral surface of the main walking wheel (43) is in rolling contact with the top surface of a steel rail; the driven travelling mechanism (5) comprises an auxiliary sliding block (51) and auxiliary travelling wheels (52), the auxiliary sliding block (51) is in sliding connection with the sliding groove (11), a supporting plate (511) is fixedly arranged at the bottom of the auxiliary sliding block (51), the auxiliary travelling wheels (52) are in rolling connection with the supporting plate (511), and the auxiliary travelling wheels (52) are in rolling butt joint with the top surfaces of the steel rails.
3. An auxiliary device for track measurement use according to claim 2, wherein: two ends of the main walking wheel (43) and the auxiliary walking wheel (52) which deviate from each other are respectively and fixedly provided with a main stop ring (431) and an auxiliary stop ring (521), and two inner side faces of the main stop ring (431) and the auxiliary stop ring (521) which are opposite to each other are respectively in rolling butt joint with two outer side faces of two steel rails which deviate from each other.
4. An auxiliary device for track measurement use according to claim 2, wherein: the common thread fit of the main slider (41) and the auxiliary slider (51) is provided with a lead screw (6), the thread fit external threads of the lead screw (6) and the main slider (41) and the auxiliary slider (51) are opposite in rotating direction, the top surface of the rack (1) is fixedly provided with a support (12), and the lead screw (6) penetrates through the support (12) and is rotatably connected with the support (12).
5. An auxiliary device for track measurement use according to claim 1, wherein: the distance measuring wheel (7) is a distance measuring wheel (7) made of polyurethane raw materials.
6. An auxiliary device for track measurement use according to claim 4, wherein: and the outer peripheral surfaces of the main travelling wheel (43) and the auxiliary travelling wheel (52) are fixedly provided with a protective pad (8), and the protective pad (8) is in rolling contact with the top surface of the steel rail.
7. A track measuring method using the auxiliary device for track measurement according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
s1, placing the auxiliary device used for track measurement on the two steel rails, enabling the two distance measuring wheels (7) to be abutted against the inner side faces, opposite to the two steel rails, of the two steel rails, and enabling the main travelling wheel (43) and the auxiliary travelling wheel (52) to be abutted against the steel rails to support the whole auxiliary device;
s2, rotating the screw rod (6) to enable the inner sides, which are opposite to each other, of the main stop ring (431) and the auxiliary stop ring (521) to be abutted against the outer vertical surfaces of the two steel rails;
s3, starting a servo motor (42), driving a main travelling wheel (43) by the servo motor (42) to drive the whole auxiliary device to travel along the steel rail, and observing the numerical variation of the movement of two pointers (314) carried by the two marker posts (31) along the scale mark (16) so as to determine the distance variation degree of the two steel rails.
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| CN114228786B (en) * | 2021-12-29 | 2024-03-26 | 中铁第四勘察设计院集团有限公司 | Plate-type ballastless track and plate seam dislocation monitoring system and health monitoring method thereof |
| CN115112073B (en) * | 2022-08-26 | 2023-01-13 | 中铁工程服务有限公司 | Track distance measurement method |
| CN118478918B (en) * | 2024-05-23 | 2024-10-15 | 北京创捷科技有限公司 | Rail transit detection device |
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