CN114322805A - Railway track interval detection device - Google Patents
Railway track interval detection device Download PDFInfo
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- CN114322805A CN114322805A CN202111442384.9A CN202111442384A CN114322805A CN 114322805 A CN114322805 A CN 114322805A CN 202111442384 A CN202111442384 A CN 202111442384A CN 114322805 A CN114322805 A CN 114322805A
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- 238000005096 rolling process Methods 0.000 claims abstract description 130
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims description 7
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- 230000006835 compression Effects 0.000 claims description 4
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- 241001669679 Eleotris Species 0.000 description 2
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- 230000002349 favourable effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
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Abstract
The invention provides a track space detection device.A space detection mechanism comprises a reset part, a first connecting rod and a second connecting rod, wherein the right end of the first connecting rod is inserted into a sleeve part at the left end of the second connecting rod and forms left-right sliding connection with the second connecting rod in the sleeve part, and the reset part is positioned between the sleeve part and the right end of the first connecting rod; the left end of the first connecting rod is provided with a first roller for rolling along the inner side surface of the first steel rail, and the right end of the second connecting rod is provided with a second roller for rolling along the inner side surface of the second steel rail; the auxiliary mechanism comprises a supporting top plate, and the left end and the right end of the supporting top plate are respectively tightly held on the first steel rail and the second steel rail; the bottom of the supporting top plate is provided with an inverted T-shaped rod, an inverted T-shaped sliding groove is formed in the first connecting rod and/or the second connecting rod, and the inverted T-shaped connecting rod extends into the inverted T-shaped sliding groove and forms left-right sliding connection with the first connecting rod and/or the second connecting rod in the inverted T-shaped sliding groove. The structure is simple, and the track interval can be accurately measured.
Description
Technical Field
The invention relates to the technical field of rail detection, in particular to a railway track spacing detection device.
Background
Railway tracks are referred to as rails, tracks, etc. Railway tracks are usually made up of two parallel rails which are fixed on sleepers, under which there is ballast. The railway track is fastened by rail supports, fasteners, rail pressing devices, rail clamping plates, elastic strips, railway spikes and other railway accessories.
When railway rails are built and maintained daily, the distance between the railway rails needs to be detected, so that the normal operation of the railway is guaranteed. However, the conventional method for detecting the railway rail spacing usually adopts a manual detection mode, namely, a worker holds a spacing detector for detection, and the method has large detection error and is easy to generate potential safety hazards. Therefore, it is required to design a railway track pitch detecting apparatus so as to improve the above-mentioned problems.
Disclosure of Invention
Technical problem to be solved
In view of the problems in the art described above, the present invention is at least partially addressed. Therefore, the invention provides a railway track spacing detection device which is simple in structure and capable of accurately measuring the track spacing.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
the invention provides a railway track spacing detection device, which comprises a spacing detection mechanism and an auxiliary mechanism, wherein the spacing detection mechanism comprises a first spacing detection mechanism and a second spacing detection mechanism; the interval detection mechanism comprises a reset part, a first connecting rod and a second connecting rod, wherein the left end of the second connecting rod is provided with a sleeve part with an opening facing to the left, the right end of the first connecting rod is inserted into the sleeve part and forms left-right sliding connection with the second connecting rod in the sleeve part, and the reset part is positioned between the sleeve part and the right end of the first connecting rod; the left end of the first connecting rod is provided with a first roller for rolling along the inner side surface of the first steel rail, and the right end of the second connecting rod is provided with a second roller for rolling along the inner side surface of the second steel rail;
the auxiliary mechanism comprises a supporting top plate, a first rolling structure and a first clamping structure are arranged at the left end of the supporting top plate, and a second rolling structure and a second clamping structure are arranged at the right end of the supporting top plate; the first rolling structure is used for rolling along the top surface of the first steel rail, the second rolling structure is used for rolling along the top surface of the second steel rail, the first clamping structure is used for clamping the outer side surface of the first steel rail and can roll along the outer side surface of the first steel rail, and the second clamping structure is used for clamping the outer side surface of the second steel rail and can roll along the outer side surface of the second steel rail; the bottom of the supporting top plate is provided with an inverted T-shaped rod, an inverted T-shaped sliding groove is formed in the first connecting rod and/or the second connecting rod, and the inverted T-shaped connecting rod extends into the inverted T-shaped sliding groove and is in left-right sliding connection with the first connecting rod and/or the second connecting rod in the inverted T-shaped sliding groove; in the process that the railway track spacing detection device travels along the railway track, the resetting piece is always in a compression state.
Optionally, the first end of the resetting member abuts against the right end of the first connecting rod, and the second end of the resetting member abuts against the right end of the sleeve portion.
Optionally, the first connecting rod comprises a first rod part, a second rod part and a third rod part which are sequentially connected from left to right, the first rod part and the third rod part are parallel to each other, the third rod part is located above the first rod part, the left end of the first rod part is used for mounting a first roller, and the right end of the third rod part is used for inserting the sleeve part; the second connecting rod includes from a left side to the right side fourth pole portion, fifth pole portion and the sixth pole portion that connects gradually, and fourth pole portion and sixth pole portion are parallel to each other and fourth pole position is in the top of sixth pole portion, and the right-hand member of sixth pole portion is used for installing the second gyro wheel, and the left end of fourth pole portion forms bushing portion.
Optionally, an included angle formed between the second rod portion and the first rod portion is 10-30 degrees, and an included angle formed between the fifth rod portion and the sixth rod portion is 10-30 degrees.
Alternatively, the first rod part, the second rod part, the fifth rod part, and the sixth rod part are axially symmetrically arranged in the left-right direction.
Optionally, the auxiliary mechanisms are axially symmetrically arranged in the left and right directions; the first roller and the second roller are axially symmetrically arranged in the left and right directions.
Optionally, the first roller includes a first rolling member, a second rolling member and a first connecting member, the first rolling member is connected to the second rolling member through the first connecting member, the first rolling member and the second rolling member are coaxially disposed, and the first connecting member serves as a rotating shaft of the first rolling member and the second rolling member; a first annular inclined plane axially inclined towards the first rolling part is arranged on the first rolling part along the circumferential direction of the first rolling part, a second annular inclined plane axially inclined towards the second rolling part is arranged on the second rolling part along the circumferential direction of the second rolling part, and the first annular inclined plane and the second annular inclined plane are arranged in a back-to-back manner;
the second roller comprises a third rolling part, a fourth rolling part and a second connecting part, the third rolling part is connected with the fourth rolling part through the second connecting part, the third rolling part and the fourth rolling part are coaxially arranged, and the second connecting part is used as a rotating shaft of the third rolling part and the fourth rolling part; and a third annular inclined plane which is inclined towards the axial direction of the third rolling element is arranged on the third rolling element along the circumferential direction of the third rolling element, a fourth annular inclined plane which is inclined towards the axial direction of the fourth rolling element is arranged on the fourth rolling element along the circumferential direction of the fourth rolling element, and the third annular inclined plane and the fourth annular inclined plane are arranged in a back-to-back mode.
Optionally, the left end of the supporting top plate is provided with a first inverted T-shaped rod, the right end of the supporting top plate is provided with a second inverted T-shaped rod, the first connecting rod is provided with a first inverted T-shaped sliding groove, and the second connecting rod is provided with a second inverted T-shaped sliding groove; the first inverted T-shaped rod extends into the first inverted T-shaped sliding groove and is in sliding connection with the first connecting rod in the first inverted T-shaped sliding groove, and the second inverted T-shaped rod extends into the second inverted T-shaped sliding groove and is in sliding connection with the second connecting rod in the second inverted T-shaped sliding groove.
Optionally, a laser transmitter and a laser receiver are arranged on the sleeve part, and a transmitting end of the laser transmitter and a receiving end of the laser receiver are both arranged in alignment with the first connecting rod; the first connecting rod is provided with a reflector for reflecting light of the laser emitter.
(III) advantageous effects
The invention has the beneficial effects that:
in the railway track spacing detection device provided by the invention, the spacing detection mechanism is arranged, and the track spacing is easily measured according to the relative displacement change between the first connecting rod and the second connecting rod; through setting up complementary unit, complementary unit can advance along the railway rails steadily to cooperation through the shape of falling T pole and the shape of falling T spout is connected complementary unit and interval detection mechanism, has realized that complementary unit acts on interval detection mechanism, orders about interval detection mechanism and stably advances along the railway rails, does benefit to the accurate measurement of track interval.
In practical use, the track pitch detection device is often connected with a driving device to automatically drive the track pitch detection device. In the track pitch detection device provided by the invention, the auxiliary mechanism only moves along the track in the advancing process and does not move in the up-down direction and the left-right direction, so that the driving device is connected with the auxiliary mechanism, the connection is simple and convenient, and the driving device is favorable for driving the track pitch detection device to advance. That is to say, the track pitch detection device proposed by the present invention is easily connected to the driving device. In addition, the track pitch detection device provided by the invention is simple in structure.
Drawings
The invention is described with the aid of the following figures:
FIG. 1 is a schematic illustration of a railway track configuration;
FIG. 2 is a schematic front view of a rail track pitch detection apparatus according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the first roller of FIG. 2;
FIG. 4 is an enlarged schematic view of the second roller of FIG. 2;
FIG. 5 is a schematic cross-sectional view of a rail track pitch detection apparatus according to an embodiment of the present invention;
fig. 6 is a schematic sectional view in the direction a-a of fig. 2.
[ description of reference ]
1: a first steel rail;
2: a second steel rail;
3: a pitch detection mechanism;
31: a reset member;
32: a first connecting rod; 322: a first rod portion; 323: a second rod portion; 324: a third rod part; 325: a first inverted T-shaped chute;
33: a second connecting rod; 331: a sleeve portion; 332: a fourth rod part; 333: a fifth rod portion; 334: a sixth rod portion; 335: a second inverted T-shaped chute;
34: a first roller; 341: a first rolling member; 342: a second rolling member; 343: a first connecting member; 344: a first annular chamfer; 345: a second annular chamfer;
35: a second roller; 351: a third rolling member; 352: a fourth rolling member; 353: a second connecting member; 354: a third annular chamfer; 355: a fourth annular ramp;
4: an auxiliary mechanism;
41: supporting a top plate; 411: a first inverted T-shaped bar; 412: a second inverted T-shaped bar;
421: a third roller; 422: a third roller mounting seat;
431: a fourth roller; 432: a fourth roller mounting seat;
441: a first fixing plate; 442: a first telescoping structure; 443: a fifth roller; 444: a fifth roller mounting seat;
451: a second fixing plate; 452: a second telescoping structure; 453: a sixth roller; 454: and a sixth roller mounting seat.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. As used herein, the terms "upper," "lower," "front," "rear," "left," "right," and the like are used with reference to the orientation of FIG. 2.
It should be noted that, as shown in fig. 1, the railway track includes two parallel first rails 1 and second rails 2. The surface of the first steel rail 1, which is in contact with the sleeper, is a bottom surface, the surface of the first steel rail 1, which is opposite to the bottom surface, is a top surface, the surface of the first steel rail 1, which faces the second steel rail 2, is an inner side surface, and the surface of the first steel rail 1, which is back to the second steel rail 2, is an outer side surface; correspondingly, the surface of the second steel rail 2 contacting the sleeper is a bottom surface, the surface of the second steel rail 2 opposite to the bottom surface is a top surface, the surface of the second steel rail 2 facing the first steel rail 1 is an inner side surface, and the surface of the second steel rail 2 facing away from the first steel rail 1 is an outer side surface.
As shown in fig. 2 to 6, the present invention provides a railway track pitch detecting apparatus including a pitch detecting mechanism 3 and an assisting mechanism 4.
The spacing detection mechanism 3 comprises a reset piece 31, a first connecting rod 32 and a second connecting rod 33, wherein the left end of the second connecting rod 33 is provided with a sleeve part 331 with an opening facing to the left, the right end of the first connecting rod 32 is inserted into the sleeve part 331 and forms a left-right sliding connection with the second connecting rod 33 in the sleeve part 331, and the reset piece 31 is positioned between the sleeve part 331 and the right end of the first connecting rod 32; the left end of the first connecting rod 32 is rotatably provided with a first roller 34, the right end of the second connecting rod 33 is rotatably provided with a second roller 35, the first roller 34 is used for rolling along the inner side surface of the first steel rail 1, and the second roller 35 is used for rolling along the inner side surface of the second steel rail 2.
The auxiliary mechanism 4 comprises a supporting top plate 41, a first rolling structure and a first clamping structure are arranged at the left end of the supporting top plate 41, the first clamping structure is located at the left side of the first rolling structure, a second rolling structure and a second clamping structure are arranged at the right end of the supporting top plate 41, and the second clamping structure is located at the right side of the second rolling structure; the first rolling structure is used for rolling along the top surface of the first steel rail 1, the second rolling structure is used for rolling along the top surface of the second steel rail 2, the first clamping structure is used for clamping the outer side surface of the first steel rail 1 and can roll along the outer side surface of the first steel rail 1, and the second clamping structure is used for clamping the outer side surface of the second steel rail 2 and can roll along the outer side surface of the second steel rail 2.
The bottom of the supporting top plate 41 is provided with an inverted T-shaped rod, the first connecting rod 32 and/or the second connecting rod 33 are provided with inverted T-shaped sliding grooves, and the inverted T-shaped connecting rod extends into the inverted T-shaped sliding grooves and forms a left-right sliding connection with the first connecting rod 32 and/or the second connecting rod 33 in the inverted T-shaped sliding grooves, as shown in fig. 5 and 6. The return member 31 is always in a compressed state during travel of the detector along the railroad track.
In the railway track spacing detection device provided by the invention, the spacing detection mechanism 3 with the structure is arranged, and the track spacing is easily measured according to the relative displacement change between the first connecting rod 32 and the second connecting rod 33; through setting up complementary unit 4 as above structure, complementary unit 4 can advance along the railway rails steadily to through the cooperation of falling T shape pole with the spout that falls T shape, be connected complementary unit 4 and interval detection mechanism 3, realized complementary unit 4 and acted on interval detection mechanism 3, order about interval detection mechanism 3 and stably advance along the railway rails, do benefit to the accurate measurement of track interval.
In practical use, the track pitch detection device is often connected with a driving device to automatically drive the track pitch detection device. In the track pitch detection device provided by the invention, because the auxiliary mechanism 4 only moves along the track in the advancing process and does not move in the up-down direction and the left-right direction, the driving device is connected with the auxiliary mechanism 4, the connection is simple and convenient, and the driving device is favorable for driving the track pitch detection device to advance. That is to say, the track pitch detection device proposed by the present invention is easily connected to the driving device. In addition, the track pitch detection device provided by the invention is simple in structure.
Preferably, as shown in fig. 2 and 5, the assist mechanism 4 is axially symmetrically disposed in the left-right direction; the first roller 34 and the second roller 35 are disposed axisymmetrically in the left-right direction.
Preferably, as shown in fig. 5, in the present embodiment, a first end of the reset member 31 abuts against a right end of the first connecting rod 32, and a second end of the reset member 31 abuts against a right end of the sleeve portion 331. In this way, the reset member 31 is facilitated to act between the sleeve portion 331 and the right end of the first connecting rod 32. Of course, the above-mentioned arrangement of the reset member 31 is only preferred, and it is conceivable that the right end side wall of the first connecting rod 32 is provided with a blocking piece extending to the sleeve portion 331, the first end of the reset member 31 abuts against the blocking piece, and the second end of the reset member 31 abuts against the right end portion of the sleeve portion 331, which can also achieve similar effects.
Specifically, the returning member 31 may be a compression spring, a rubber member, or the like, and in the present embodiment, the returning member 31 is a compression spring, as shown in fig. 5.
Preferably, as shown in fig. 2 and 5, the first connecting rod 32 includes a first rod portion 322, a second rod portion 323 and a third rod portion 324 connected in sequence from left to right, the first rod portion 322 and the third rod portion 324 are parallel to each other, the third rod portion 324 is located above the first rod portion 322, the left end of the first rod portion 322 is used for mounting the first roller 34, and the right end of the third rod portion 324 is used for inserting the sleeve portion 331; the second connecting rod 33 includes a fourth rod portion 332, a fifth rod portion 333 and a sixth rod portion 334 which are connected in sequence from left to right, the fourth rod portion 332 and the sixth rod portion 334 are parallel to each other, the fourth rod portion 332 is located above the sixth rod portion 334, the right end of the sixth rod portion 334 is used for installing the second roller 35, and the left end of the fourth rod portion 332 forms a sleeve portion 331. The first connecting rod 32 and the second connecting rod 33 are arranged in such a way that the slag stones on the rails are not easy to collide during the traveling process, and the force transmission of the first connecting rod 32 and the second connecting rod 33 is facilitated.
Further preferably, an included angle formed between the second rod part 323 and the first rod part 322 is 10 to 30 °, and an included angle formed between the fifth rod part 333 and the sixth rod part 334 is 10 to 30 °.
Further preferably, the first rod part 322, the second rod part 323, the fifth rod part 333, and the sixth rod part 334 are axially symmetrically disposed in the left-right direction.
Preferably, as shown in fig. 3 and 4, the first roller 34 includes a first rolling member 341, a second rolling member 342, and a first connecting member 343, the first rolling member 341 is connected to the second rolling member 342 through the first connecting member 343, the first rolling member 341 is coaxially disposed with the second rolling member 342, and the first connecting member 343 serves as a rotating shaft of the first rolling member 341 and the second rolling member 342; a first annular inclined surface 344 that is inclined in the axial direction of the first rolling member 341 is formed on the first rolling member 341 along the circumferential direction of the first rolling member 341, a second annular inclined surface 345 that is inclined in the axial direction of the second rolling member 342 is formed on the second rolling member 342 along the circumferential direction of the second rolling member 342, and the first annular inclined surface 344 and the second annular inclined surface 345 are arranged in a manner of facing away from each other. The second roller 35 includes a third rolling member 351, a fourth rolling member 352, and a second connecting member 353, the third rolling member 351 is connected to the fourth rolling member 352 through the second connecting member 353, the third rolling member 351 and the fourth rolling member 352 are coaxially disposed, and the second connecting member 353 serves as a rotation shaft of the third rolling member 351 and the fourth rolling member 352; a third annular inclined surface 354 inclined in the axial direction of the third roller 351 is formed on the third roller 351 along the circumferential direction of the third roller 351, a fourth annular inclined surface 355 inclined in the axial direction of the fourth roller 352 is formed on the fourth roller 352 along the circumferential direction of the fourth roller 352, and the third annular inclined surface 354 and the fourth annular inclined surface 355 are provided in a back-to-back manner. The first roller 34 and the second roller 35 which are arranged in this way are respectively adaptive to the shape of the inner side surface of the first steel rail 1 and the shape of the inner side surface of the second steel rail 2, the upper and lower limiting effects of the inner side surface of the first steel rail 1 on the first roller 34 are enhanced, the upper and lower limiting effects of the inner side surface of the second steel rail 2 on the second roller 35 are enhanced, and the distance detection mechanism 3 is made to advance stably.
Further, in this embodiment, a first groove is formed in an outer side of the first rolling element 341 (i.e., a side of the first rolling element 341 away from the second rolling element 342), a second groove is formed in an outer side of the second rolling element 342 (i.e., a side of the second rolling element 342 away from the first rolling element 341), a third groove is formed in an outer side of the third rolling element 351 (i.e., a side of the third rolling element 351 away from the fourth rolling element 352), and a fourth groove is formed in an outer side of the fourth rolling element 352 (i.e., a side of the fourth rolling element 352 away from the third rolling element 351).
As for the connection between the first connecting rod 32 and the first roller 34, the first connecting rod 32 may be fixedly connected to the first connecting member 343, a first end of the first connecting member 343 is rotatably connected to the first rolling member 341 through a bearing, and a second end of the first connecting member 343 is rotatably connected to the second rolling member 342 through a bearing; alternatively, the first connecting rod 32 may be rotatably connected to the first connecting member 343, a first end of the first connecting member 343 may be fixedly connected to the first rolling member 341, and a second end of the first connecting member 343 may be fixedly connected to the second rolling member 342. The connection between the second connecting rod 33 and the second roller 35 is similar to the connection between the first connecting rod 32 and the first roller 34, and thus is not described in detail.
Preferably, as shown in fig. 2 and 5, the left end of the supporting top plate 41 has a first inverted T-shaped rod 411, the right end of the supporting top plate 41 has a second inverted T-shaped rod 412, the first connecting rod 32 is provided with a first inverted T-shaped sliding slot 325, and the second connecting rod 33 is provided with a second inverted T-shaped sliding slot 335; the first inverted T-shaped rod 411 extends into the first inverted T-shaped sliding groove 325 and forms a sliding connection with the first connecting rod 32 in the first inverted T-shaped sliding groove 325, and the second inverted T-shaped rod 412 extends into the second inverted T-shaped sliding groove 335 and forms a sliding connection with the second connecting rod 33 in the second inverted T-shaped sliding groove 335. In this way, the restraint action of the assisting mechanism 4 on the pitch detecting mechanism 3 is enhanced.
Further preferably, the first inverted-T shaped sliding groove 325 is opened at the first rod portion 322, and the second inverted-T shaped sliding groove 335 is opened at the sixth rod portion 334.
Further, in this embodiment, the first rolling structure includes a third roller 421 and a third roller mounting seat 422, a top of the third roller mounting seat 422 is fixedly connected to a bottom of the supporting top plate 41, and a bottom of the third roller 421 is rotatably connected to the third roller 421; the second rolling structure includes a fourth roller 431 and a fourth roller mounting seat 432, a top of the fourth roller mounting seat 432 is fixedly connected to a bottom of the supporting top plate 41, and a bottom of the fourth roller 431 is rotatably connected to the fourth roller 431.
Preferably, the first clamping structure includes a first fixing plate 441, a first telescopic structure 442, a fifth roller 443, and a fifth roller mounting seat 444, a first end of the first fixing plate 441 is fixedly connected to the bottom of the left end of the top support plate 41, an inner side portion of the first fixing plate 441 (i.e., a side of the first fixing plate 441 facing the first steel rail 1) is fixedly connected to a fixed end of the first telescopic structure 442, a telescopic end of the first telescopic structure 442 faces the first steel rail 1, the fifth roller 443 is mounted to a first end of the fifth roller mounting seat 444, and a second end of the fifth roller mounting seat 444 is fixedly connected to a telescopic end of the first telescopic structure 442; the second clamping structure comprises a second fixing plate 451, a second telescopic structure 452, a sixth roller 453 and a sixth roller mounting seat 454, the first end of the second fixing plate 451 is fixedly connected with the bottom of the right end of the supporting top plate 41, the inner side portion of the second fixing plate 451 (i.e., the side of the second fixing plate 451 facing the second steel rail 2) is fixedly connected with the fixed end of the second telescopic structure 452, the telescopic end of the second telescopic structure 452 faces the second steel rail 2, the sixth roller 453 is mounted at the first end of the sixth roller mounting seat 454, and the second end of the sixth roller mounting seat 454 is fixedly connected with the telescopic end of the telescopic structure. The first telescopic structure 442 drives the fifth roller 443 to move towards the first steel rail 1 until the fifth roller 443 contacts with the outer side surface of the first steel rail 1; the second telescopic structure 452 drives the sixth roller 453 to move towards the second steel rail 2 until the sixth roller 453 contacts with the outer side surface of the second steel rail 2; therefore, the track spacing detection device is tightly held on the railway track by matching the first rolling structure and the second rolling structure.
In the track pitch detection device provided by the present invention, the track pitch is measured according to the relative displacement change between the first connecting rod 32 and the second connecting rod 33, and the specific structure may be as follows: a laser transmitter (not shown) and a laser receiver (not shown) are disposed on the sleeve portion 331, a transmitting end of the laser transmitter is disposed in alignment with the first connecting rod 32, and a receiving end of the laser receiver is disposed in alignment with the first connecting rod 32; the first connecting rod 32 is provided with a reflector (not shown) for reflecting the laser transmitter.
In the process of the track pitch detection device moving forward, the laser emitter continuously irradiates the first connecting rod 32, the laser receiver continuously receives the optical signal reflected by the reflector, when the pitch between the tracks changes, the first connecting rod 32 moves in the sleeve portion 331, and the changed track pitch can be detected according to the optical signal received by the laser receiver.
It should be understood that the above description of specific embodiments of the present invention is only for the purpose of illustrating the technical lines and features of the present invention, and is intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, but the present invention is not limited to the above specific embodiments. It is intended that all such changes and modifications as fall within the scope of the appended claims be embraced therein.
Claims (9)
1. A railway track spacing detection device is characterized in that,
comprises a spacing detection mechanism and an auxiliary mechanism;
the interval detection mechanism comprises a reset part, a first connecting rod and a second connecting rod, wherein the left end of the second connecting rod is provided with a sleeve part with an opening facing to the left, the right end of the first connecting rod is inserted into the sleeve part and forms left-right sliding connection with the second connecting rod in the sleeve part, and the reset part is positioned between the sleeve part and the right end of the first connecting rod; the left end of the first connecting rod is provided with a first roller for rolling along the inner side surface of the first steel rail, and the right end of the second connecting rod is provided with a second roller for rolling along the inner side surface of the second steel rail;
the auxiliary mechanism comprises a supporting top plate, a first rolling structure and a first clamping structure are arranged at the left end of the supporting top plate, and a second rolling structure and a second clamping structure are arranged at the right end of the supporting top plate; the first rolling structure is used for rolling along the top surface of the first steel rail, the second rolling structure is used for rolling along the top surface of the second steel rail, the first clamping structure is used for clamping the outer side surface of the first steel rail and can roll along the outer side surface of the first steel rail, and the second clamping structure is used for clamping the outer side surface of the second steel rail and can roll along the outer side surface of the second steel rail;
the bottom of the supporting top plate is provided with an inverted T-shaped rod, an inverted T-shaped sliding groove is formed in the first connecting rod and/or the second connecting rod, and the inverted T-shaped connecting rod extends into the inverted T-shaped sliding groove and is in left-right sliding connection with the first connecting rod and/or the second connecting rod in the inverted T-shaped sliding groove; in the process that the railway track spacing detection device travels along the railway track, the resetting piece is always in a compression state.
2. The railway track pitch detection apparatus of claim 1,
the first end that resets offsets with the right-hand member tip of first connecting rod, and the second end that resets offsets with the right-hand member tip of sleeve pipe portion.
3. The railway track pitch detection apparatus of claim 1,
the first connecting rod comprises a first rod part, a second rod part and a third rod part which are sequentially connected from left to right, the first rod part and the third rod part are parallel to each other, the third rod part is positioned above the first rod part, the left end of the first rod part is used for mounting a first roller, and the right end of the third rod part is used for inserting the sleeve part;
the second connecting rod includes from a left side to the right side fourth pole portion, fifth pole portion and the sixth pole portion that connects gradually, and fourth pole portion and sixth pole portion are parallel to each other and fourth pole position is in the top of sixth pole portion, and the right-hand member of sixth pole portion is used for installing the second gyro wheel, and the left end of fourth pole portion forms bushing portion.
4. The railway track pitch detection apparatus of claim 3,
the included angle formed between the second rod part and the first rod part is 10-30 degrees, and the included angle formed between the fifth rod part and the sixth rod part is 10-30 degrees.
5. The railway track pitch detection apparatus of claim 3,
the first rod part, the second rod part, the fifth rod part and the sixth rod part are axially symmetrically arranged in the left-right direction.
6. The railway track pitch detection apparatus of claim 1,
the auxiliary mechanisms are axially symmetrically arranged in the left and right directions; the first roller and the second roller are axially symmetrically arranged in the left and right directions.
7. The railway track pitch detection apparatus of claim 1,
the first roller comprises a first rolling part, a second rolling part and a first connecting part, the first rolling part is connected with the second rolling part through the first connecting part, the first rolling part and the second rolling part are coaxially arranged, and the first connecting part is used as a rotating shaft of the first rolling part and the second rolling part; a first annular inclined plane axially inclined towards the first rolling part is arranged on the first rolling part along the circumferential direction of the first rolling part, a second annular inclined plane axially inclined towards the second rolling part is arranged on the second rolling part along the circumferential direction of the second rolling part, and the first annular inclined plane and the second annular inclined plane are arranged in a back-to-back manner;
the second roller comprises a third rolling part, a fourth rolling part and a second connecting part, the third rolling part is connected with the fourth rolling part through the second connecting part, the third rolling part and the fourth rolling part are coaxially arranged, and the second connecting part is used as a rotating shaft of the third rolling part and the fourth rolling part; and a third annular inclined plane which is inclined towards the axial direction of the third rolling element is arranged on the third rolling element along the circumferential direction of the third rolling element, a fourth annular inclined plane which is inclined towards the axial direction of the fourth rolling element is arranged on the fourth rolling element along the circumferential direction of the fourth rolling element, and the third annular inclined plane and the fourth annular inclined plane are arranged in a back-to-back mode.
8. The railway track pitch detection apparatus of claim 1,
the left end of the supporting top plate is provided with a first inverted T-shaped rod, the right end of the supporting top plate is provided with a second inverted T-shaped rod, the first connecting rod is provided with a first inverted T-shaped sliding groove, and the second connecting rod is provided with a second inverted T-shaped sliding groove;
the first inverted T-shaped rod extends into the first inverted T-shaped sliding groove and is in sliding connection with the first connecting rod in the first inverted T-shaped sliding groove, and the second inverted T-shaped rod extends into the second inverted T-shaped sliding groove and is in sliding connection with the second connecting rod in the second inverted T-shaped sliding groove.
9. The railway track pitch detection apparatus of claim 1,
a laser transmitter and a laser receiver are arranged on the sleeve part, and the transmitting end of the laser transmitter and the receiving end of the laser receiver are both arranged in alignment with the first connecting rod; the first connecting rod is provided with a reflector for reflecting light of the laser emitter.
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| CN114322805B (en) | 2023-12-26 |
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