CN218847069U

CN218847069U - Steel rail crawling detection device

Info

Publication number: CN218847069U
Application number: CN202222892686.2U
Authority: CN
Inventors: 何伟添; 张汉平; 倪海忠; 尹祖生; 朱志强; 邹超; 李文涛; 黄智宇; 陈公民
Original assignee: Dongguan Rail Transit Co ltd
Current assignee: Dongguan Rail Transit Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-11
Anticipated expiration: 2032-10-31

Abstract

The utility model belongs to the technical field of the track traffic technique and specifically relates to indicate a rail detection device that crawls, it includes main measuring mechanism, vice measuring mechanism and measuring tape subassembly, main measuring mechanism includes that support, rotation set up tensioning structure, cover on the support locate tensioning structure outer rope, with leg joint's connecting piece one and set up the through-hole one on connecting piece one, vice measuring mechanism includes connecting piece two, sets up through-hole two on connecting piece two and the cable loop who is connected with the free end of rope, the free end of rope passes through the cable loop and is tied and hang on the connecting piece two. Rotating the first connecting piece and the second connecting piece to enable two ends of the rope to be respectively matched with the positions of the cross alignment centers of the crawling observation pile points of the steel rails on the left side and the right side, so that the position of the rope is calibrated, and the numerical value of the rope is accurately read through a measuring ruler to accurately calculate crawling amount data of the steel rails; the data measurement of the steel rail crawling amount can be completed by only one person, and the labor cost is saved.

Description

Steel rail crawling detection device

Technical Field

The utility model belongs to the technical field of the track traffic technique and specifically relates to indicate a rail detection device that crawls.

Background

When a train runs on the track, because of the rolling, traction and braking of wheels and the temperature stress of the current jointless track, the steel rail can be longitudinally displaced, namely the steel rail creeps: the steel rail has too large creeping amount, which can cause the steel rail not to generate larger tensile stress and compressive stress, and can cause the occurrence of the accident of breaking or expanding the steel rail when in serious condition, thereby influencing the driving safety. The railway work department must regularly detect the crawling amount of the steel rail. At present, the existing detection methods of the steel rail crawling amount comprise a stay wire measurement method and an optical longitude and latitude method, and along with the improvement of the railway detection requirement, a laser measurement method and a photoelectric technology measurement method are developed. The existing string-pulling measuring method generally adopts observation piles embedded at two sides of a line, marks are made on a steel rail, and the climbing amount of the steel rail is measured by a manual string method. Therefore, the drawbacks are obvious, and it is highly desirable to provide a solution.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a rail detection device that crawls.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steel rail crawling detection device comprises a main measuring mechanism, an auxiliary measuring mechanism and a measuring scale assembly, wherein the main measuring mechanism comprises a support, a tensioning structure rotatably arranged on the support, a rope sleeved outside the tensioning structure, a first connecting piece connected with the support and a first through hole formed in the first connecting piece, the auxiliary measuring mechanism comprises a second connecting piece, a second through hole formed in the second connecting piece and a rope buckle connected with the free end of the rope, the free end of the rope sequentially penetrates through the first through hole and the second through hole and then is connected with the rope buckle, and the free end of the rope is tied and hung on the second connecting piece through the rope buckle; the measuring scale component is used for measuring the position deviation between the rope and an external steel rail so as to calculate the climbing amount of the steel rail.

Furthermore, the measuring scale assembly comprises a buckle, 0 scale mark arranged on the buckle and a measuring scale connected to the buckle, and the buckle can be clamped with the steel rail.

Furthermore, the tensioning structure comprises a connecting shaft inserted on the support, and an elastic piece and a rotary disc which are sequentially sleeved outside the connecting shaft from inside to outside, wherein one end of the elastic piece is connected with the connecting shaft, the other end of the elastic piece is connected with the rotary disc, and the rope disc is arranged outside the rotary disc.

Furthermore, the outer side wall of the rotary disc is inwards provided with a containing groove, and the rope is wound in the containing groove.

Furthermore, the measuring scale assembly further comprises a rotating arm, one end of the rotating arm is hinged to the buckle, and the other end of the rotating arm is connected with the measuring scale.

Furthermore, the measuring tape component also comprises a mounting hole arranged on the buckle and a magnet inserted in the mounting hole.

Furthermore, the measuring tape component further comprises a clamping groove formed by inwards concave forming of the outer side wall of the buckle, and the clamping groove is matched with the concave-convex shape of the steel rail.

Furthermore, the main measuring mechanism also comprises a first locking structure for locking the first connecting piece on the crawling observation pile point of the steel rail.

Furthermore, the auxiliary measuring mechanism also comprises a second locking structure used for locking the second connecting piece on the crawling observation pile point of the steel rail.

Furthermore, the first locking structure comprises a locking hole which penetrates through the first connecting piece and a fastener which can be in threaded connection with the locking hole.

The utility model has the advantages that: the utility model has high measuring efficiency, and the first connecting piece and the second connecting piece can be respectively connected with the crawling observation pile points of the right and left steel rails; rotating the first connecting piece and the second connecting piece to enable two ends of the rope to be respectively matched with the positions of the cross alignment centers of the crawling observation pile points of the steel rails on the left side and the right side, so that the position of the rope is calibrated, and the numerical value of the rope is accurately read through a measuring ruler to accurately calculate crawling amount data of the steel rails; the scale mark is arranged on the fastener, so that the position between the fastener and the steel rail can be calibrated, and the accuracy in the measurement process of the creep of the steel rail is further improved; the operation steps can be completed by only one person, the data measurement of the steel rail climbing amount is completed, the labor cost is saved, and the measurement efficiency is improved; the rope is automatically wound and unwound through the tensioning structure, the rope is always kept in a tensioning state, and the time for winding and unwinding the rope is saved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the main measuring mechanism of the present invention.

Fig. 3 is a schematic perspective view of the measuring tape assembly of the present invention.

Fig. 4 is a schematic diagram of a local explosion structure of the auxiliary measuring mechanism of the present invention.

Description of reference numerals:

1. a support; 2. a tensioning structure; 3. a rope; 4. a first connecting piece; 5. a first through hole; 6. a second connecting piece; 7. a second through hole; 8. a rope fastener; 9. a steel rail; 10. a fastener; 11. 0 scale mark; 12. measuring a scale; 13. a connecting shaft; 14. an elastic member; 15. a turntable; 16. a containing groove; 17. a rotating arm; 18. mounting holes; 19. a magnet; 20. a clamping groove; 21. a locking hole; 22. a fastener.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 4, the utility model provides a steel rail crawling detection device, it includes main measuring mechanism, vice measuring mechanism and measuring tape subassembly, main measuring mechanism includes support 1, rotates tensioning structure 2 that sets up on support 1, the rope 3 of cover outside tensioning structure 2, the connecting piece 4 of being connected with support 1 and the through-hole 5 of setting up on connecting piece 4, vice measuring mechanism includes connecting piece two 6, the through-hole two 7 of setting up on connecting piece two 6 and the rope knot 8 of being connected with the free end of rope 3, the free end of rope 3 passes through-hole one 5 and through-hole two 7 in proper order and then is connected with rope knot 8, the free end of rope 3 is hung on connecting piece two 6 through rope knot 8; the measuring tape assembly is used for measuring the position deviation between the rope 3 and an external steel rail 9 so as to calculate the rail climbing amount.

Specifically, the measuring scale assembly comprises a buckle 10, 0 scale mark 11 arranged on the buckle 10 and a measuring scale 12 connected to the buckle 10; the first connecting piece 4 and the second connecting piece 6 are respectively used for being connected with an external steel rail crawling observation pile point, and the buckle 10 can be clamped with an external steel rail 9. The actual measurement procedure was as follows:

the method comprises the following steps: sleeving a first connecting piece 4 outside the crawling observation pile point of the steel rail on the left side;

step two: pulling the connecting piece II 6 to a direction far away from the connecting piece I4, releasing the rope 3 by the tensioning structure 2, keeping the rope 3 in a tensioning state, and sleeving the connecting piece II 6 on the steel rail crawling observation pile point on the right side after penetrating through the bottoms of the two steel rails 9;

step three: respectively rotating the first connecting piece 4 and the second connecting piece 6 to ensure that the ropes 3 positioned between the first through hole 5 and the second through hole 7 are respectively matched with the positions of two cross-centers on two steel rail crawling observation pile points on the left side and the right side;

step four: the fastener 10 is clamped on the rail bottom of the steel rail 9 corresponding to the steel rail crawling observation pile point on the right side, the scale mark 11 of 0 is made to coincide with the center scale mark of the rail bottom edge of the steel rail 9, then the numerical value of the rope 3 on the measuring scale 12 is read, and the crawling amount data of the steel rail 9 corresponding to the steel rail crawling observation pile point on the right side can be obtained through calculation.

Step five: the fastener 10 is clamped on the rail bottom of the steel rail 9 corresponding to the steel rail crawling observation pile point on the left side, the scale mark 11 of 0 is made to coincide with the center scale mark of the rail bottom edge of the steel rail 9, then the numerical value of the rope 3 on the measuring scale 12 is read, and the crawling amount data of the steel rail 9 corresponding to the steel rail crawling observation pile point on the left side can be obtained through calculation.

Through the steps, the data of the crawling amount of the steel rail 9 can be measured. The utility model has high measuring efficiency, the first connecting piece 4 and the second connecting piece 6 can be respectively connected with the crawling observation pile points of the left and right steel rails; rotating the first connecting piece 4 and the second connecting piece 6 to enable two ends of the rope 3 to be respectively matched with the positions of the cross centers of the crawling observation pile points of the steel rails on the left side and the right side, so that the position of the rope 3 is calibrated, and the numerical value of the rope 3 is accurately read through the measuring scale 12 to accurately calculate crawling amount data of the steel rail 9; the buckle 10 is provided with 0 scale mark 11, so that the position between the buckle 10 and the steel rail 9 can be calibrated, and the accuracy of the measurement process of the creep of the steel rail is further improved; the operation steps can be completed by only one person, the data measurement of the steel rail climbing amount is completed, the labor cost is saved, and the measurement efficiency is improved; receive and release the rope 3 through tensioning texture 2 is automatic to make rope 3 remain the tensioning state throughout, practiced thrift and receive and release 3 required time of rope, under the tensioning state, the numerical value of the rope 3 that reads out through dipperstick 12 is more accurate, has avoided artifical tight rope 3 that tightens to lead to the problem that rope 3 easily tightens absolutely.

Furthermore, the tensioning structure 2 comprises a connecting shaft 13 inserted on the support 1, and an elastic member 14 and a rotating disc 15 which are sequentially sleeved outside the connecting shaft 13 from inside to outside, wherein one end of the elastic member 14 is connected with the connecting shaft 13, the other end of the elastic member 14 is connected with the rotating disc 15, and the rope 3 is coiled outside the rotating disc 15.

Specifically, the outer side wall of the turntable 15 is inwardly recessed to form an accommodating groove 16, and the rope 3 is wound in the accommodating groove 16; the elastic member 14 may be a coil spring or a wound strip of elastic steel. In the actual use process, because the free end of the rope 3 is tied and hung on the connecting piece II 6 through the rope buckle 8, when the connecting piece II 6 is pulled towards the direction far away from the connecting piece I4, the rope 3 drives the rotary disc 15 to rotate so that the rotary disc 15 releases the rope 3 wound on the accommodating groove 16, the length of the rope 3 is continuously increased, the rotary disc 15 enables the elastic piece 14 to be stretched and stores elastic potential energy or generates tensile force, and after the rope 3 is stretched to a proper length, the rope 3 keeps a tensioning or straightening state through the tensile force or the elastic potential energy of the elastic piece 14. Similarly, when the second connecting piece 6 is retracted towards the first connecting piece 4, the elastic piece 14 releases elastic potential energy and drives the rotating disc 15 and the rope 3 to reset. The tensioning structure 2 is simple in structure, and the rope 3 is convenient to stretch and retract.

Furthermore, the measuring scale assembly further comprises a rotating arm 17, one end of the rotating arm 17 is hinged to the buckle 10, and the other end of the rotating arm 17 is connected with the measuring scale 12.

In particular, the swivel arm 17 is detachably connected to the measuring scale 12 via a locking member (screw, bolt, etc.). In the step four or the step five of the actual measurement, after the scale mark 11 of 0 is overlapped with the scale mark of the center of the rail bottom edge of the steel rail 9, the rotating arm 17 is manually driven to rotate relative to the buckle 10 until the measuring scale 12 is contacted with the rope 3, so that the numerical value of the rope 3 can be directly read through the measuring scale 12. The rotating arm 17 is additionally arranged, so that the measuring scale 12 can rotate along the buckle 10 to be in contact with the rope 3, the reading of the rope 3 is facilitated, and the reading accuracy of the rope 3 is improved.

Further, the measuring tape assembly further includes a mounting hole 18 penetrating the buckle 10 along the length direction of the buckle 10 and a magnet 19 inserted into the mounting hole 18.

Specifically, the magnet 19 may be a neodymium magnet, the measuring tape assembly further includes a clamping groove 20 formed by inward recessing of the outer side wall of the buckle 10, and the clamping groove 20 is in concave-convex fit with the rail bottom of the steel rail 9. In actual step four or step five, locate the rail end card of the rail 9 that corresponds with the rail crawling observation stake point in joint groove 20, add magnet 19, under the magnetic effect of magnet 19, firmly link together buckle 10 and rail 9, stability when having improved buckle 10 and rail 9 and being connected, effectively avoided the problem that the relative position of buckle 10 and rail 9 takes place the skew in the measurement process, further guaranteed the precision of rail crawling measurement in-process.

Further, the main measuring mechanism further comprises a first locking structure for locking the first connecting piece 4 on the steel rail crawling observation pile point.

Specifically, the auxiliary measuring mechanism further comprises a second locking structure for locking the second connecting piece 6 on a steel rail crawling observation pile point; the first locking structure comprises a locking hole 21 which penetrates through the first connecting piece 4 and a fastening piece 22 which can be in threaded connection with the locking hole 21, and the fastening piece 22 can be in a screw, screw or bolt structure. In actual measurement step three, swivel connected coupler one 4 makes rope 3 coincide with the position of the cross accurate heart on the left rail crawling observation stake point after, insert fastener 22 again and locate in the locking hole 21 of connecting piece one 4, creep observation stake point and support tightly until fastener 22 and left rail, thereby realize that connecting piece one 4 crawls observation stake point locking with left rail, and on the same principle, can crawl observation stake point locking with connecting piece two 6 and the rail on right side, thereby it is spacing to the position of rope 3 that lies in between through-hole one 5 and through-hole two 7, be favorable to the accurate reading of rope 3.

Specifically, the structure of the second locking structure is the same as that of the first locking structure, and is not described herein again.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A rail detection device that crawls which characterized in that: the device comprises a main measuring mechanism, an auxiliary measuring mechanism and a measuring tape assembly, wherein the main measuring mechanism comprises a support (1), a tensioning structure (2) rotatably arranged on the support (1), a rope (3) sleeved outside the tensioning structure (2), a connecting piece I (4) connected with the support (1) and a through hole I (5) arranged on the connecting piece I (4), the auxiliary measuring mechanism comprises a connecting piece II (6), a through hole II (7) arranged on the connecting piece II (6) and a rope buckle (8) connected with the free end of the rope (3), the free end of the rope (3) sequentially penetrates through the through hole I (5) and the through hole II (7) and then is connected with the rope buckle (8), and the free end of the rope (3) is tied and hung on the connecting piece II (6) through the rope buckle (8); the measuring scale component is used for measuring the position deviation between the rope (3) and an external steel rail (9) so as to calculate the steel rail climbing amount.

2. The rail creep detecting apparatus according to claim 1, wherein: the measuring scale assembly comprises a buckle (10), 0 scale mark marks (11) arranged on the buckle (10) and a measuring scale (12) connected to the buckle (10), and the buckle (10) can be clamped with a steel rail (9).

3. The rail creep detecting apparatus according to claim 1, wherein: tensioning texture (2) are including inserting connecting axle (13) of locating on support (1) and from interior to outer elastic component (14) and carousel (15) of locating outside connecting axle (13) in proper order cover, the one end and the connecting axle (13) of elastic component (14) are connected, the other end and the carousel (15) of elastic component (14) are connected, rope (3) dish is located outside carousel (15).

4. The rail creep detecting apparatus according to claim 3, wherein: the outer side wall of the rotary disc (15) is inwards provided with a containing groove (16), and the rope (3) is wound in the containing groove (16).

5. The rail creep detecting apparatus according to claim 2, wherein: the measuring scale assembly further comprises a rotating arm (17) with one end hinged with the buckle (10), and the other end of the rotating arm (17) is connected with the measuring scale (12).

6. The rail creep detecting apparatus according to claim 2, wherein: the measuring tape component also comprises a mounting hole (18) arranged on the buckle (10) and a magnet (19) inserted in the mounting hole (18).

7. The rail creep detecting apparatus according to claim 2, wherein: the measuring scale assembly further comprises a clamping groove (20) formed by inwards recessing the outer side wall of the buckle (10), and the clamping groove (20) is in concave-convex fit with the steel rail (9).

8. The rail creep detecting apparatus according to claim 1, wherein: the main measuring mechanism further comprises a first locking structure used for locking the first connecting piece (4) on a crawling observation pile point of the steel rail (9).

9. The rail creep detecting apparatus according to claim 1, wherein: the auxiliary measuring mechanism further comprises a second locking structure used for locking the second connecting piece (6) on a crawling observation pile point of the steel rail (9).

10. The rail creep detecting apparatus according to claim 8, wherein: the first locking structure comprises a locking hole (21) which penetrates through the first connecting piece (4) and a fastener (22) which can be in threaded connection with the locking hole (21).