CN111207713B - Rail corrugation detection device - Google Patents
Rail corrugation detection device Download PDFInfo
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- CN111207713B CN111207713B CN202010034462.0A CN202010034462A CN111207713B CN 111207713 B CN111207713 B CN 111207713B CN 202010034462 A CN202010034462 A CN 202010034462A CN 111207713 B CN111207713 B CN 111207713B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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Abstract
The invention discloses a rail corrugation detection device, and belongs to the technical field of rail detection. A rail corrugation detection apparatus comprising: the detection device comprises a box body with an opening at the bottom and a detection assembly positioned in the box body; the detection assembly comprises a servo electric cylinder, a connecting block and a 1D sensor; the servo electric cylinder is arranged at the top of the inner side of the box body along the extending direction of the box body; the connecting block is respectively connected with the bottom of the servo electric cylinder and the top of the 1D sensor in a sliding manner, and the sliding direction between the connecting block and the servo electric cylinder is vertical to the sliding direction between the connecting block and the 1D sensor; the detection port of the 1D sensor penetrates through the bottom opening of the box body. The rail corrugation detection device can drive the 1D sensor to be linked in the transverse direction and the longitudinal direction, so that the three-dimensional detection of the shape of the top surface of the rail can be realized, the detection range is large, the judgment on the state of the rail is complete, and the misjudgment of rail damage is avoided.
Description
Technical Field
The invention relates to the technical field of rail detection, in particular to a rail corrugation detection device.
Background
The rail directly bears the quality and the impact of coming to the wheel pair, and the damage can take place for the surface, and partial circuit just forms the ripples mill phenomenon under periodic wear, can produce comparatively vibration and noise when the automobile body moves, increases by the wheel to the load that gives the track, and long-term track wearing and tearing can arouse track displacement volume to increase, worsens the track state, leads to track wearing and tearing aggravation, the fracture, fall defects such as piece, can aggravate the risk that the derail topples when serious. To prevent such malignant events, effective measurement and diagnostic analysis of rail corrugation is required.
The portable detection equipment for rail corrugation mainly comprises a contact type detection equipment and a non-contact type detection equipment. The contact type measuring device uses the measuring probe to directly contact the surface of the steel rail to obtain abrasion data, but the device is seriously abraded, inconvenient to operate and not beneficial to on-site popularization and application. The non-contact detection device has the advantages of simple structure, convenience in carrying and high automation degree, and is well applied to the existing portable detection device. The existing non-contact device adopts a linear laser beam to sweep the center of a steel rail, has a small detection range, and is easy to cause misjudgment of rail damage because the judgment of the rail state is incomplete.
Disclosure of Invention
The invention aims to provide a rail corrugation detection device, which aims to solve the problems that the existing non-contact rail corrugation detection device is small in detection range, incomplete in judgment of rail states and prone to causing error judgment of rail damage.
The technical scheme for solving the technical problems is as follows:
a rail corrugation detection apparatus comprising: the detection device comprises a box body with an opening at the bottom and a detection assembly positioned in the box body; the detection assembly comprises a servo electric cylinder, a connecting block and a 1D sensor; the servo electric cylinder is arranged at the top of the inner side of the box body along the extending direction of the box body; the connecting block is respectively connected with the bottom of the servo electric cylinder and the top of the 1D sensor in a sliding manner, and the sliding direction between the connecting block and the servo electric cylinder is vertical to the sliding direction between the connecting block and the 1D sensor; the detection port of the 1D sensor penetrates through the bottom opening of the box body.
The rail corrugation detection device is used for being placed on a rail and detecting the abrasion state of the rail, and the servo electric cylinder is provided with the lead screw, so that the 1D sensor can be driven to move along the extending direction of the rail through the connecting block, namely the abrasion state of the rail is detected in the longitudinal direction, the 1D sensor can also move transversely with the connecting block, the abrasion state of the rail is detected in the transverse direction, and the 1D sensor is linked in the transverse direction and the longitudinal direction, so that the three-dimensional detection of the shape of the top surface of the rail can be realized, the detection range is wide, the judgment on the rail state is complete, and the misjudgment on the rail damage is avoided.
Furthermore, the detection assembly also comprises a transverse moving motor arranged on the 1D sensor, and a motor shaft of the transverse moving motor is provided with a gear; the connecting block is provided with a rack matched with the gear, and the extending direction of the rack is consistent with the sliding direction between the connecting block and the 1D sensor.
The transverse moving motor is connected with the connecting block through the gear and the rack, and the 1D sensor is transversely moved by driving the gear and the rack to move, so that the transverse end face of the rail is detected.
Further, the bottom side of the connecting block is in sliding connection with the 1D sensor through a sliding block and a sliding groove which are matched with each other.
Furthermore, the connecting block is provided with a limit stop sensor which is in communication connection with the servo electric cylinder and the transverse moving motor respectively.
The limit stop sensor is used for limiting the over-displacement of the 1D sensor, and is used for capturing the distance between the limit stop sensor and a servo electric cylinder or a box body in the transverse or longitudinal movement process of the 1D sensor, so that the over-displacement of the servo electric cylinder or a transverse movement motor to the 1D sensor is limited.
Furthermore, bases are respectively arranged at the bottoms of the two ends of the box body, and first adsorption blocks are arranged at the bottoms of the bases.
The first adsorption block can adsorb with the track, and when the device is used, the whole device can be quickly locked.
Furthermore, a transverse positioning block is arranged on the side surface of the base, extends to the outer side of the bottom of the base, and corresponds to the side surface of the box body in an opposite direction.
The transverse moving block is used for limiting the whole device in the transverse direction, and when the device is placed on the track, the transverse positioning block can be in contact with one side of the track, so that the transverse limiting function is realized, and the installation accuracy of the whole device is improved.
Furthermore, the side surface of the base is also provided with a supporting block, the supporting block is rotatably connected with the base, and the supporting block and the transverse positioning block are positioned on two corresponding sides of the base.
The supporting block is used for supporting the whole device, the device is used for detecting, the supporting block is retracted through rotation, the supporting block is prevented from interfering the contact between the device and the track, and after the device is used for detecting, the supporting block and the transverse positioning block support the whole device together after rotating.
Furthermore, two ends of the box body are respectively provided with an unlocking assembly; the unlocking assembly comprises a handle and a connecting rod; the handle extends out of the top of the box body; the connecting rod is rotatably connected with the base through a rotating shaft, one end of the connecting rod is rotatably connected with the handle, the other end of the connecting rod is provided with a top block, and the top block penetrates through the base.
The unlocking assembly is used for releasing the adsorption between the first adsorption piece and the track. The connecting rod is rotatably connected with the base through the rotating shaft, the ejector block moves downwards through a lever principle after the handle is pulled upwards until the ejector block is pressed on the steel rail, and the handle is continuously pulled upwards, so that the first suction attachment and the rail can be separated through the pressing effect of the ejector block.
Furthermore, the unlocking assembly also comprises a hollow limiting block; the top of the inner cavity of the limiting block is provided with a second adsorption block; the top block is positioned in the inner cavity of the limiting block and is connected with the second adsorption block in an adsorption manner.
The second adsorption block is used for adsorbing the top block in an initial state, and the top block is accommodated in the inner cavity of the limiting block.
Furthermore, a movable handle and a portable handle are arranged at the top of the outer side of the box body.
The invention has the following beneficial effects:
(1) the rail corrugation detection device is used for being placed on a rail and detecting the abrasion state of the rail, and the servo electric cylinder is provided with the lead screw, so that the 1D sensor can be driven to move along the extending direction of the rail through the connecting block, namely the abrasion state of the rail is detected in the longitudinal direction, the 1D sensor can also move transversely with the connecting block, the abrasion state of the rail is detected in the transverse direction, and the 1D sensor is linked in the transverse direction and the longitudinal direction, so that the three-dimensional detection of the shape of the top surface of the rail can be realized, the detection range is wide, the judgment on the rail state is complete, and the misjudgment on the rail damage is avoided.
(2) The rail corrugation detection device is convenient to mount, dismount and mount in the using process, accurate in mounting position on a rail and convenient to carry, and therefore the rail can be detected quickly and accurately.
Drawings
FIGS. 1 and 2 are schematic views showing the external structure of the rail corrugation detection apparatus according to the present invention;
FIG. 3 is a schematic view of the internal structure of the rail corrugation detection apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a detection assembly of the present invention;
FIG. 5 is a schematic view of the connection between the delatch assembly and the base of the present invention;
FIG. 6 is a schematic view of the rail corrugation detection apparatus of the present invention in use.
In the figure: 10-a box body; 11-a base; 12-a first adsorption mass; 13-transverse positioning blocks; 14-a support block; 15-moving the handle; 16-a portable handle; 20-a detection component; 21-servo electric cylinder; 22-connecting block; a 23-1D sensor; 24-a lateral movement motor; 25-a gear; 26-a rack; 27-limit stop sensor; 30-an unlocking assembly; 31-a handle; 32-connecting rod; 33-a rotating shaft; 34-a top block; 35-a limiting block; 40-track.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1 and 2, a rail corrugation detection apparatus includes: a box 10 in the shape of a long bar. The two ends of the top of the box body 10 are respectively provided with a moving handle 15 for moving the rail corrugation detection device on the rail 40, so that the rail 40 can be continuously detected. The middle position of the top of the box body 10 is provided with a portable handle, so that the rail corrugation detection device is convenient to carry. An opening is formed in the bottom of the box 10, the extending direction of the opening is consistent with the extending direction of the box 10, and bases 11 are respectively arranged at two ends of the bottom of the box 10.
Referring to fig. 3, a detection assembly 20 and 2 unlocking assemblies 30 are disposed inside the box body 10, and the 2 unlocking assemblies 30 are respectively disposed at two ends of the box body 10 and respectively connected to the bases 11 at two ends of the box body 10. The inside of the case 10 is also provided with components such as a power supply, a display screen, and a switch button.
Referring to fig. 4, the detecting assembly 20 includes a servo cylinder 21, a connecting block 22, and a 1D sensor 23. The servo cylinder 21 is disposed at the top of the inner side of the case 10 in the extending direction of the case 10, and the lead screw in the servo cylinder 21 coincides with the extending direction of the rail 40. The connecting block 22 is provided with a nut matched with the screw rod in the servo electric cylinder 21, and the connecting block 22 is slidably connected with the bottom of the servo electric cylinder 21, so that the connecting block 22 can move along the extending direction of the rail 40, namely along the longitudinal direction of the rail 40 through the matching of the nut and the screw rod under the driving of the servo electric cylinder 21.
The bottom of the connecting block 22 is slidably connected with the 1D sensor 23 through a sliding block and a sliding chute which are matched with each other, and the sliding direction between the connecting block 22 and the 1D sensor 23 is perpendicular to the sliding direction between the connecting block 22 and the servo electric cylinder 21, namely, the sliding direction between the connecting block 22 and the 1D sensor 23 is consistent with the transverse direction of the track 40. In this embodiment, the sliding block is disposed at the bottom of the connecting block 22, and the sliding groove is disposed at the top of the 1D sensor 23, but obviously, the sliding block may also be disposed at the top of the 1D sensor 23, and the sliding groove is disposed at the bottom of the connecting block 22.
The detection port of the 1D sensor 23 is located at the bottom thereof, and the detection port of the 1D sensor 23 passes through the bottom opening of the case 10. The side of the 1D sensor 23 is provided with a transverse moving motor 24, a motor shaft of the transverse moving motor 24 is vertically arranged and is provided with a gear 25, the connecting block 22 is provided with a rack 26 matched with the gear 25, the extending direction of the rack 26 is consistent with the sliding direction between the connecting block 22 and the 1D sensor 23, and the 1D sensor 23 and the transverse moving motor 24 move along the transverse direction of the track 40 under the driving of the transverse moving motor 24.
In order to limit the over-displacement of the 1D sensor 23, a limit stop sensor 27 is arranged on the connecting block 22, the limit stop sensor 27 is respectively in communication connection with the servo electric cylinder 21 and the transverse moving motor 24, and in the transverse or longitudinal moving process of the 1D sensor 23, the limit stop sensor 27 is used for capturing the distance between the limit stop sensor and the servo electric cylinder 21 or the box body 10, so that the over-displacement of the servo electric cylinder 21 or the transverse moving motor 24 to the 1D sensor 23 is limited.
Referring to fig. 5, the first adsorption block 12 at the bottom of the base 11 is used for adsorbing the rail 40 to lock the device. One side of the base 11 is provided with a transverse positioning block 13, the transverse positioning block 13 extends to the outer side of the bottom of the base 11, and the other side of the base 11 is provided with a supporting block 14. The transverse positioning block 13 is fixedly arranged with the base 11, when the rail corrugation detection device is installed, the transverse positioning block 13 is in contact with one side of the rail 40, the rail corrugation detection device is limited in the transverse direction, and installation efficiency and installation accuracy are improved. Supporting block 14 and base 11 swivelling joint, rail corrugation detection device is when detecting, and supporting block 14 upwards rotates and packs up, avoids supporting block 14 to interfere the contact between rail corrugation detection device and track 40, and rail corrugation detection device is when detecting the completion, and supporting block 14 downwards rotates, supports rail corrugation detection device with horizontal locating piece 13 together. In this embodiment, the lateral positioning blocks 13 on the bases 11 at both ends of the box 10 are on the same side of the rail 40.
The unlocking assembly 30 includes a handle 31 and a link 32. The handle 31 has one end located inside the case 10 and the other end extended out of the top of the case 10. The connecting rod 32 is transversely arranged in the box body 10, the middle part of the connecting rod 32 is rotatably connected with the base 11 through a rotating shaft 33, one end of the connecting rod 32 is hinged with one end of the handle 31 positioned in the box body 10, the other end of the connecting rod 32 is provided with a top block 34, and the top block 34 extends downwards and penetrates through the base 11. When handle 31 is pulled, top block 34 moves downward and contacts track 40 by leverage, effecting separation of track 40 from first adsorption block 12.
In order to fix the unlocking assembly 30 in the detection and carrying processes, the unlocking assembly 30 further comprises a limiting block 35, the limiting block 35 is hollow, a second adsorption block (not shown) is arranged at the top of the inner cavity of the limiting block 35, and the top block 34 extends into the inner cavity of the limiting block 35 and is connected with the second adsorption block in an adsorption mode, so that the unlocking assembly 30 is fixed.
In the present embodiment, the first adsorption block 12 and the second adsorption block are both magnets.
Referring to fig. 6, the working process of the rail corrugation detection apparatus is as follows: (1) the extending direction of the rail corrugation detection device is consistent with the extending direction of the rail 40; (2) the side surface of the transverse positioning block 13 is contacted with one side of the track 40, the rail corrugation detection device is placed on the track 40, and the rail corrugation detection device is locked with the track 40 through the adsorption action between the track 40 and the first adsorption block 12; (3) starting the servo electric cylinder 21 and the transverse moving motor 24 to enable the 1D sensor 23 to move longitudinally and transversely along the track 40, enabling the 1D sensor 23 to carry out three-dimensional detection on the shape of the top surface of the track 40, and capturing the distance between the 1D sensor 23 and the servo electric cylinder 21 or the box body 10 through the limit stop sensor 27 so as to limit the over-displacement of the servo electric cylinder 21 or the transverse moving motor 24 to the 1D sensor 23; (4) when the next continuous section of track is detected again, the movable handle 15 can be directly dragged to enable the rail corrugation detection device to move to the next section of track along the track 40 and carry out detection, or the handle 31 is lifted upwards to enable the track 40 to be separated from the first adsorption block 12, and the rail corrugation detection device is carried to the next section of track to be installed and detected again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (7)
1. A rail corrugation detection apparatus, comprising: the detection device comprises a box body (10) with an opening at the bottom and a detection assembly (20) positioned in the box body (10); the detection assembly (20) comprises a servo electric cylinder (21), a connecting block (22) and a 1D sensor (23); the servo electric cylinder (21) is arranged at the top of the inner side of the box body (10) along the extending direction of the box body (10); the connecting block (22) is respectively connected with the bottom of the servo electric cylinder (21) and the top of the 1D sensor (23) in a sliding mode, and the sliding direction between the connecting block (22) and the servo electric cylinder (21) is perpendicular to the sliding direction between the connecting block (22) and the 1D sensor (23); the detection port of the 1D sensor (23) penetrates through the bottom opening of the box body (10);
bases (11) are respectively arranged at the bottoms of the two ends of the box body (10), first adsorption blocks (12) are arranged at the bottoms of the bases (11), and the first adsorption blocks (12) are in adsorption fit with the rails (40);
two ends of the box body (10) are respectively provided with an unlocking assembly (30); the unlocking assembly (30) comprises a handle (31) and a connecting rod (32); the handle (31) extends out of the top of the box body (10); the connecting rod (32) is rotatably connected with the base (11) through a rotating shaft (33), one end of the connecting rod (32) is rotatably connected with the handle (31), the other end of the connecting rod (32) is provided with a top block (34), and the top block (34) penetrates through the base (11);
the unlocking assembly (30) further comprises a hollow limiting block (35); the top of the inner cavity of the limiting block (35) is provided with a second adsorption block; the top block (34) is positioned in the inner cavity of the limiting block (35) and is connected with the second adsorption block in an adsorption mode.
2. The rail corrugation detection apparatus of claim 1, wherein the detection assembly (20) further includes a traverse motor (24) provided on the 1D sensor (23), a motor shaft of the traverse motor (24) being provided with a gear (25); the connecting block (22) is provided with a rack (26) matched with the gear (25), and the extending direction of the rack (26) is consistent with the sliding direction between the connecting block (22) and the 1D sensor (23).
3. A rail corrugation detection apparatus according to claim 2, wherein the underside of the connection block (22) is slidably connected to the 1D sensor (23) by cooperating slide and slide grooves.
4. A rail corrugation detection apparatus according to claim 3, wherein the connection block (22) is provided with a limit stop sensor (27), the limit stop sensor (27) being in communication with the servo cylinder (21) and the traverse motor (24), respectively.
5. The rail corrugation detection apparatus according to any one of claims 1 to 4, wherein lateral positioning blocks (13) are provided on sides of the base (11), the lateral positioning blocks (13) extend to the outside of the bottom of the base (11), and the lateral positioning blocks (13) correspond to sides of the housing (10) in an opposing manner.
6. The rail corrugation detection apparatus according to claim 5, wherein a support block (14) is further provided on a side of the base (11), the support block (14) is rotatably connected to the base (11), and the support block (14) and the lateral positioning block (13) are located on two corresponding sides of the base (11).
7. A rail corrugation detection apparatus according to claim 6, wherein the outer top of the housing (10) is provided with a carrying handle (16) and a moving handle (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034462.0A CN111207713B (en) | 2020-01-14 | 2020-01-14 | Rail corrugation detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034462.0A CN111207713B (en) | 2020-01-14 | 2020-01-14 | Rail corrugation detection device |
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| CN111207713A CN111207713A (en) | 2020-05-29 |
| CN111207713B true CN111207713B (en) | 2022-06-03 |
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