CN214923774U - Turning, pulling and aligning system for non-falling wheel - Google Patents

Abstract

The utility model discloses a not taking off a round to turn round and repair and pull counterpoint system, not taking off a round to turn round and repair and pull counterpoint system includes at least one first counterpoint subassembly, at least one second counterpoint subassembly, track and tractor, and first counterpoint subassembly and second counterpoint subassembly set up in orbital homonymy or different sides, and the tractor is used for drawing the train and moves on the track, and first counterpoint subassembly is including being used for judging the first detector that whether the wheel pair is close, and the second counterpoint subassembly is including being used for carrying out the second detector of counterpointing to the wheel pair. Whether the wheel pair is close is judged by the first aligning component, when the wheel pair is detected to be close, the tractor decelerates, the speed of the train is reduced, and the second aligning component can conveniently and accurately align the wheel pair. The utility model discloses a not falling wheel is turned round and is repaiied and pull counterpoint system need not personnel's cooperation and counterpoint, and the wheel pair is counterpointed fast, the precision is high, has reduced personnel's intensity of labour.

Description

Turning, pulling and aligning system for non-falling wheel

Technical Field

The utility model relates to a track traffic technical field especially relates to a do not fall a round and turn a lathe a round and repair and pull counterpoint system.

Background

The train wheels are in rolling friction with the steel rails in the running process, after the train wheels run for a certain distance, the surfaces of the train wheels are worn, and the surfaces of the train wheels need to be turned and repaired by adopting a non-falling wheel turning lathe for renovating and repairing.

At present, a turning repair position of an un-fallen wheel of a motor train unit is realized by matching a public-railway dual-purpose tractor driver and a turning repair worker with a pair of alignment bogie wheels, thirty-two steering frames are grouped, thirty-two alignment processes are needed in a primary turning repair process, and the turning repair efficiency is influenced, and a large amount of manpower and material resources are consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a do not fall the wheel and turn round to overhaul and pull counterpoint system, can improve the counterpoint efficiency of wheel pair, reduce personnel's intensity of labour.

To achieve the purpose, the utility model adopts the following technical proposal:

the non-drop-wheel-turning traction alignment system comprises at least one first alignment assembly, at least one second alignment assembly, a track and a tractor, wherein the first alignment assembly and the second alignment assembly are arranged on the same side or different sides of the track, the tractor is used for traction trains to move on the track, the first alignment assembly comprises a first detector used for judging whether a wheel pair is close or not, and the second alignment assembly comprises a second detector used for aligning the wheel pair.

As a preferred scheme of the utility model, first detector is photoelectric sensor or optical fiber sensor, first counterpoint subassembly still includes first mounting panel and first guard shield, first guard shield with the connection can be dismantled to first mounting panel, first detector sets up on the first mounting panel and be located in the first guard shield, be equipped with the confession on the first guard shield first detector carries out the opening that detects.

As a preferred aspect of the present invention, the first alignment assembly further includes a first support, the first support includes a first main support and a first auxiliary support, the first main support is rotatably disposed on the first mounting plate, the first auxiliary support is rotatably disposed on the first main support, and the first detector is disposed on the first auxiliary support.

As a preferred embodiment of the present invention, the first main support and the first auxiliary support are both L-shaped, the first main support includes a first plate and a second plate that are perpendicular to each other and connected, the first plate is hinged and attached to the first mounting plate, the first plate is provided with two first arc holes, the two first arc holes are symmetrical with respect to the rotation axis of the first plate, and the first plate is fixed to the first mounting plate by a fastener that passes through the first arc holes and is connected to the first mounting plate;

the first auxiliary support comprises a third flat plate and a fourth flat plate which are vertically connected with each other, the third flat plate is hinged and attached to the second flat plate, two second arc-shaped holes are formed in the second flat plate, the two second arc-shaped holes are symmetrical with respect to the rotation axis of the third flat plate, the third flat plate is fixed on the second flat plate through a fastener which penetrates through the second arc-shaped holes and is connected with the third flat plate, and the first detector is arranged on the fourth flat plate.

As a preferred scheme of the utility model, the second detector is the camera, the second is to the position subassembly still includes second mounting panel, second guard shield and light filling lamp, the second mounting panel with the connection can be dismantled to the second guard shield, the second detector sets up on the second mounting panel and lie in the second guard shield, be equipped with the confession on the second guard shield the opening that the second detector detected, the light filling lamp activity sets up the surface of second guard shield.

As an optimized scheme of the utility model, the second contraposition subassembly still includes the second support, the second support includes second main support and second auxiliary support, the second auxiliary support with the second main support is articulated, the second detector is fixed on the second auxiliary support, the second main support rotationally sets up on the second mounting panel.

As an optimized scheme of the utility model, the fifth flat board and the sixth flat board that the second main support includes mutually perpendicular connects, the fifth flat board with the second mounting panel is articulated and the laminating, twice third arc hole, twice have been seted up on the fifth flat board the third arc hole about the rotation axis symmetry of fifth flat board, the fifth flat board by passing third arc hole and with the fastener that the second mounting panel is connected is fixed on the second mounting panel.

As an optimized scheme of the utility model, set up two row at least location punch combination on the second mounting panel, one location punch combination includes four at least equidistant locating holes of seting up, one whole in the location punch combination the center of locating hole all is in on same straight line, one whole in the location punch combination the locating hole with distance between the track equals, is different in the location punch combination the locating hole with distance between the track is different, one adjacent two in the location punch combination the hole interval between the locating hole equals the twice the half of hole interval between the third arc hole.

As a preferred scheme of the utility model, the second mounting panel includes main mounting panel and the auxiliary mounting panel that mutually perpendicular connects, the second detector sets up on the main mounting panel, two at least slotted holes have been seted up on the auxiliary mounting panel, the length direction of slotted hole with the main mounting panel is parallel, just the slotted hole with the distance of main mounting panel is not identical.

The utility model has the advantages that:

the utility model discloses a not falling wheel is turned round and is repaiied and draw alignment system utilizes first alignment subassembly to judge whether to be close to the wheel pair, when detecting the wheel pair and be close, the tractor slows down, and the speed of train reduces, and the second alignment subassembly of being convenient for carries out accurate counterpoint to the wheel pair afterwards, and the tractor makes the train stop on predetermineeing the position back, and the wheel pair is to turning round and repaiies the operation. And after the turning operation of the wheel pairs in one bogie is finished, the tractor is started again, and the wheel pairs in other bogies are aligned and turned until the turning operation of all the wheel pairs is finished. The utility model discloses a not falling the wheel and turning round to overhaul and pull counterpoint process of counterpoint system and need not personnel's cooperation and counterpoint, the wheel pair is counterpointed fast, the precision is high, has reduced personnel's intensity of labour.

Drawings

Fig. 1 is a schematic top view of a non-drop-wheel turning traction alignment system according to an embodiment of the present invention;

fig. 2 is an exploded view of a first alignment assembly according to an embodiment of the present invention;

FIG. 3 is an exploded view of the first pair of bit components of FIG. 2 from another angle;

FIG. 4 is an enlarged view of the first support and the first detector of FIG. 2;

FIG. 5 is an enlarged view of the first support and the first detector of FIG. 3;

fig. 6 is a perspective view of a second alignment assembly according to an embodiment of the present invention;

FIG. 7 is an exploded view of the second alignment assembly of FIG. 6;

FIG. 8 is an enlarged view of the second bracket of FIG. 7 with the protective shell removed and the second detector;

fig. 9 is a rear view of fig. 6.

In the figure:

1. a first alignment assembly; 11. a first detector; 12. an amplifier; 13. a first mounting plate; 131. a wire passing hole; 14. a first shield; 141. a first opening; 142. a notch; 15. a first bracket; 151. a first main support; 1511. a first plate; 15111. a first arcuate aperture; 15112. a first hinge shaft; 15113. a first fastener; 15114. a second hinge shaft; 15115. a second fastener; 1512. a second plate; 15121. a second arcuate aperture; 152. a first sub-mount; 1521. a third plate; 1522. a fourth plate; 16. a first screw; 17. a fixing clip; 18. a first base;

2. a second alignment element; 21. a second detector; 22. a second mounting plate; 221. a main mounting plate; 2211. positioning holes; 222. an auxiliary mounting plate; 2221. a long round hole; 2222. a second screw; 23. a second shield; 231. a second opening; 24. a light supplement lamp; 25. a second base; 26. a second bracket; 261. a second main support; 2611. a fifth plate; 26111. a third arcuate aperture; 2612. a sixth plate; 262. a second subframe; 27. a protective shell; 28. a third hinge shaft; 29. a third fastener;

3. a track; 4. a tractor; 100. a train; 110. wheel sets.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1, fig. 2 and fig. 7, the turning and turning repair traction alignment system without wheel drop according to an embodiment of the present invention includes two first alignment assemblies 1, two second alignment assemblies 2, a track 3 and a tractor 4, wherein the first alignment assembly 1 and the second alignment assembly 2 are respectively provided with one on both sides of the track 3, the tractor 4 is used for moving the traction train 100 on the track 3, the first alignment assembly 1 includes a first detector 11 for determining whether the wheel pair 110 is close to, and the second alignment assembly 2 includes a second detector 21 for aligning the wheel pair 110.

The alignment method of the non-wheel turning traction alignment system in the embodiment comprises the following steps:

s1. a tractor 4 is connected to the train 100, and the tractor 4 pulls the train 100 to approach toward the first aligning member 1 and the second aligning member 2 in either direction of the track 3. In order to realize automatic accurate counterpoint, first counterpoint subassembly 1, second counterpoint subassembly 2 and tractor 4 all are connected with control system, and the speed of tractor 4 is controlled by control system, avoids the error that manual operation produced.

S2, the first aligning component 1 detects the approaching wheel pair 110, so that the tractor 4 is decelerated;

s3, the second alignment assembly 2 accurately aligns the wheel pair 110, and the tractor 4 enables the train 100 to accurately stop at a preset position to perform turning operation;

and S4, after turning the wheel pairs 110 in one bogie is finished, starting the tractor 4 again, and repeating the actions of the step S2 and the step S3 until turning all the wheel pairs 110 is finished.

The utility model discloses a turning round is not pulled round and is repaiied drawing alignment system utilizes first alignment subassembly 1 to judge whether wheel pair 110 is close, when detecting that wheel pair 110 is close, tractor 4 slows down, and the speed of train 100 reduces, and the second alignment subassembly 2 of being convenient for carries out accurate counterpoint to wheel pair 110 afterwards, and tractor 4 makes train 100 stop on presetting the position after, turns round to wheel pair 110 and repaiies the operation.

After completing the turning operation of the wheel pairs 110 in one bogie, the tractor 4 is started again to align and turn the wheel pairs 110 in other bogies until the turning operation of all the wheel pairs 110 is completed. The utility model discloses a not falling the wheel and turning round to overhaul and pull counterpoint process of counterpoint system and need not personnel's cooperation and counterpoint, wheel pair 110 counterpoint fast, the precision is high, has reduced personnel's intensity of labour.

Since the second aligning unit 2 functions after the first aligning unit 1, the first aligning unit 1 and the second aligning unit 2 need to be spaced apart by a certain distance in the advancing direction of the train 100, so that the first aligning unit 1 first completes the detection of the wheel pair 110.

In this embodiment, the first aligning component 1 and the second aligning component 2 located on the left side of the track 3 are in a working state, and the first aligning component 1 and the second aligning component 2 located on the right side of the track 3 play a role again when the train 100 is in a reverse running state, so that the aligning work can be smoothly completed no matter which head the tractor 4 pulls. When only one first pair of bit assemblies 1 and one second pair of bit assemblies 2 exist, they can be arranged on the same side of the track 3, or can be respectively arranged on both sides of the track 3, but at this time, the train 100 can only move forward in one direction to normally carry out alignment work.

As shown in fig. 2 and 3, further, the first detector 11 is a photoelectric sensor or an optical fiber sensor, and other types of proximity sensors can be selected, and the first detector 11 in this embodiment is an optical fiber sensor, which is small in size and high in sensitivity, and therefore is further equipped with an amplifier 12 in cooperation therewith. The first aligning assembly 1 further comprises a first mounting plate 13 and a first protecting cover 14, the first protecting cover 14 is detachably connected with the first mounting plate 13, the first detector 11 is arranged on the first mounting plate 13 and located in the first protecting cover 14, a first opening 141 for the first detector 11 to detect is formed in the first protecting cover 14, and a wire passing hole 131 for a wire to pass through is further formed in the first mounting plate 13. The first detector 11 is located at a short distance from the rail 3, so that when the wheel set 110 is cut by a tool, the generated metal debris may have an adverse effect on the first detector 11, and the first shield 14 can protect the first detector 11 and also does not affect the function of the first detector 11.

The first aligning assembly 1 further includes a first support 15, the first support 15 includes a first main support 151 and a first auxiliary support 152, the first main support 151 is rotatably disposed on the first mounting plate 13, the first auxiliary support 152 is rotatably disposed on the first main support 151, and the first detector 11 is disposed on the first auxiliary support 152, so that the first detector 11 can rotate by a certain angle in the horizontal direction and can also perform pitching by a certain angle, the first detector 11 can find an optimal detection angle, and reliability and sensitivity of the first detector 11 are ensured.

As shown in fig. 4 and 5, in detail, the first main support 151 and the first sub-support 152 are both L-shaped, the first main support 151 includes a first plate 1511 and a second plate 1512 that are perpendicularly connected to each other, the first plate 1511 is provided with two first arc holes 15111, the first plate 1511 is hinged and attached to the first mounting plate 13 by a first hinge shaft 15112, the two first arc holes 15111 are symmetrical with respect to the rotation axis of the first plate 1511, the first plate 1511 is fixed to the first mounting plate 13 by a first fastening member 15113 that passes through the first arc hole 15111 and is connected to the first mounting plate 13, when the first fastening member 15113 is loosened, the first plate 1511 can rotate on the first mounting plate 13 for a certain angle to realize rotation in the horizontal plane, and the first plate 1511 is fixed by two first fasteners 15113, the first plate 1511 has good stability after being fixed, will not shake.

The first sub-bracket 152 comprises a third flat plate 1521 and a fourth flat plate 1522 which are vertically connected with each other, the third flat plate 1521 and the second flat plate 1512 are hinged and attached through a second hinge shaft 15114, the second flat plate 1512 is provided with two second arc-shaped holes 15121, the two second arc-shaped holes 15121 are symmetrical with respect to the rotation axis of the third flat plate 1521, the third flat plate 1521 is fixed on the second flat plate 1512 by a second fastener 15115 which passes through the second arc-shaped holes 15121 and is connected with the third flat plate 1521, and the first detector 11 is arranged on the fourth flat plate 1522, so that the first sub-bracket 152 also has good stability after being fixed.

The first shield 14 is further provided with a plurality of notches 142, and the first screws 16 pass through the notches 142 and are connected with the first mounting plate 13 to fix the first shield 14 on the first mounting plate 13. The fixing position of the first mounting plate 13 may be different, and the first alignment assembly 1 of this embodiment further includes a fixing clip 17, where the fixing clip 17 is detachably connected to the first mounting plate 13 and can fix the first mounting plate 13 on the first base 18 having a tubular shape.

As shown in fig. 6 and 7, further, the second detector 21 is a camera, and the wheel pair 110 is aligned by machine vision, and preferably, the second detector 21 is an RGB camera, which can obtain more information and facilitate the algorithm to analyze data. Image data of a certain component in the bogie, for example, the shock absorber, is input into the control system as a template in advance, when the second detector 21 captures an image of the shock absorber, the displacement of the shock absorber is tracked, and the shock absorber is stopped at a preset position by controlling the tractor 4, so that the alignment of the bogie is completed, and the wheel set 110 is also stopped at the preset position. The second alignment module 2 further comprises a second mounting plate 22, a second protective cover 23 and a light supplement lamp 24, the second mounting plate 22 is detachably connected with the second protective cover 23, the second detector 21 is arranged on the second mounting plate 22 and located in the second protective cover 23, a second opening 231 for the second detector 21 to detect is formed in the second protective cover 23, and the light supplement lamp 24 is movably arranged on the outer surface of the second protective cover 23. The light supplement lamp 24 can rotate a certain angle in the horizontal plane and can also perform pitching adjustment at a certain angle, so that a good illumination condition is provided for the second detector 21, and the second protective cover 23 provides a certain protection for the easily damaged second detector 21. The second mounting plate 22 is detachably coupled to the second base 25 so that the second detector 21 is stably fixed to both sides of the rail 3.

As shown in fig. 7, the second alignment assembly 2 further includes a second support 26, the second support 26 includes a second main support 261 and a second sub-support 262, the second sub-support 262 is hinged to the second main support 261, the second detector 21 is fixed to the second sub-support 262, and the second main support 261 is rotatably provided on the second mounting plate 22. Since the second detector 21 performs alignment by image recognition, the requirement for the shooting angle is high, if the shooting angle is not correct, capturing of a specific image is affected, and the accuracy of alignment cannot be guaranteed, so that the second support 26 needs to have the capability of multi-directional adjustment, so that the second detector 21 can be positioned at the optimal shooting angle. In order to further protect the second detector 21 and eliminate the stray light interference, the second alignment assembly 2 in this embodiment further includes a protective casing 27, and the protective casing 27 is wrapped outside the second detector 21.

As shown in fig. 8, the second main bracket 261 further includes a fifth plate 2611 and a sixth plate 2612 which are vertically connected to each other, two third arc-shaped holes 26111 are formed in the fifth plate 2611, the fifth plate 2611 is hinged and attached to the second mounting plate 22 through a third hinge shaft 28, the two third arc-shaped holes 26111 are symmetrical with respect to the rotation axis of the fifth plate 2611, and the fifth plate 2611 is fixed to the second mounting plate 22 by a third fastening member 29 which passes through the third arc-shaped hole 26111 and is connected to the second mounting plate 22.

Furthermore, at least two rows of positioning hole groups are formed on the second mounting plate 22, one positioning hole group includes at least four positioning holes 2211 formed at equal intervals, the centers of all positioning holes 2211 in one positioning hole group are all located on the same straight line, the distances between all positioning holes 2211 in one positioning hole group and the rail 3 are equal, the distances between the positioning holes 2211 in different positioning hole groups and the rail 3 are different, and the hole interval between two adjacent positioning holes 2211 in one positioning hole group is equal to half of the hole interval between two third arc-shaped holes 26111. In the embodiment shown in fig. 8, a total of three positioning hole groups are provided in order to adjust the distance between the second detector 21 and the track 3 for a better shooting distance. Since the third hinge shaft 28 and the two third fastening members 29 together need to occupy three positioning holes 2211, the number of positioning holes 2211 in one positioning hole group is a minimum of four (five in the present embodiment) to enable the second detector 21 to be positionally adjusted in the track 3 laying direction. Up to this point, the second detector 21 can be moved in two directions in the horizontal plane in addition to being able to rotate and pitch in the horizontal plane, which has high flexibility.

As shown in fig. 9, the second mounting plate 22 includes a main mounting plate 221 and an auxiliary mounting plate 222 which are vertically connected to each other, the second detector 21 is disposed on the main mounting plate 221, at least two oblong holes 2221 are formed in the auxiliary mounting plate 222, the length direction of the oblong holes 2221 is parallel to the main mounting plate 221, the distance between the oblong holes 2221 and the main mounting plate 221 is not exactly the same, and the second mounting plate 22 is fixed to the second base 25 by second screws 2222. By changing the position of the second screw 2222, the mounting height of the second mounting plate 22 can be adjusted, so that the setting height of the second detector 21 is changed, the adjustment of the second detector 21 in a three-dimensional space is realized, the second detector 21 can capture an image accurately matched with a template, and the wheel pair 110 is accurately aligned.

As preferred embodiments of the present invention, in the description of the present specification, reference to the description of the term "preferred" or the like means that a particular feature, structure, material, or characteristic described in connection with the example or illustration is included in at least one example or illustration of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only used to illustrate the detailed embodiments of the present invention, and the present invention is not limited to the above detailed embodiments, i.e. the present invention must not be implemented depending on the detailed embodiments. It should be clear to those skilled in the art that any improvement of the present invention, to the equivalent replacement of each raw material of the present invention, the addition of auxiliary components, the selection of specific modes, etc., all fall within the protection scope and disclosure scope of the present invention.

Claims (9)

1. The non-drop wheel-turning traction alignment system is characterized by comprising at least one first alignment assembly, at least one second alignment assembly, a track and a tractor, wherein the first alignment assembly and the second alignment assembly are arranged on the same side or different sides of the track, the tractor is used for drawing a train to move on the track, the first alignment assembly comprises a first detector used for judging whether a wheel pair is close or not, and the second alignment assembly comprises a second detector used for aligning the wheel pair.

2. The non-drop-wheel turning traction alignment system according to claim 1, wherein the first detector is a photosensor or a fiber optic sensor, the first alignment assembly further comprises a first mounting plate and a first shield, the first shield is detachably connected to the first mounting plate, the first detector is disposed on the first mounting plate and located in the first shield, and the first shield is provided with an opening for the first detector to detect.

3. The non-drop wheel turning traction alignment system according to claim 2, wherein the first alignment assembly further comprises a first bracket comprising a first main bracket rotatably disposed on the first mounting plate and a first sub-bracket rotatably disposed on the first main bracket, the first detector being disposed on the first sub-bracket.

4. The non-drop wheel turning traction alignment system according to claim 3, wherein the first main bracket and the first sub-bracket are both L-shaped, the first main bracket comprises a first flat plate and a second flat plate which are perpendicularly connected with each other, the first flat plate is hinged and attached to the first mounting plate, two first arc-shaped holes are formed in the first flat plate, the two first arc-shaped holes are symmetrical with respect to the rotation axis of the first flat plate, and the first flat plate is fixed on the first mounting plate by fasteners which pass through the first arc-shaped holes and are connected with the first mounting plate;

the first auxiliary support comprises a third flat plate and a fourth flat plate which are vertically connected with each other, the third flat plate is hinged and attached to the second flat plate, two second arc-shaped holes are formed in the second flat plate, the two second arc-shaped holes are symmetrical with respect to the rotation axis of the third flat plate, the third flat plate is fixed on the second flat plate through a fastener which penetrates through the second arc-shaped holes and is connected with the third flat plate, and the first detector is arranged on the fourth flat plate.

5. The non-drop wheel turning traction alignment system according to any one of claims 1 to 4, wherein the second detector is a camera, the second alignment assembly further comprises a second mounting plate, a second shield and a fill-in light, the second mounting plate is detachably connected to the second shield, the second detector is disposed on the second mounting plate and located in the second shield, the second shield is provided with an opening for the second detector to detect, and the fill-in light is movably disposed on an outer surface of the second shield.

6. The non-drop wheel turning traction alignment system according to claim 5, wherein the second alignment assembly further comprises a second bracket, the second bracket comprising a second main bracket and a second sub-bracket, the second sub-bracket being hinged to the second main bracket, the second detector being fixed to the second sub-bracket, the second main bracket being rotatably disposed on the second mounting plate.

7. The non-drop wheel turning traction alignment system according to claim 6, wherein the second main support comprises a fifth plate and a sixth plate which are vertically connected to each other, the fifth plate is hinged and attached to the second mounting plate, the fifth plate is provided with two third arc-shaped holes, the two third arc-shaped holes are symmetrical with respect to the rotation axis of the fifth plate, and the fifth plate is fixed on the second mounting plate by a fastener which passes through the third arc-shaped holes and is connected with the second mounting plate.

8. The non-drop wheel turning traction alignment system according to claim 7, wherein the second mounting plate is provided with at least two rows of positioning hole sets, one positioning hole set comprises at least four positioning holes with equal spacing, centers of all the positioning holes in one positioning hole set are located on the same straight line, distances between all the positioning holes in one positioning hole set and the rail are equal, distances between the positioning holes in different positioning hole sets and the rail are different, and a hole spacing between two adjacent positioning holes in one positioning hole set is equal to half of a hole spacing between two third arc-shaped holes.

9. The non-drop wheel turning traction alignment system according to claim 6, wherein the second mounting plate comprises a main mounting plate and a secondary mounting plate which are vertically connected with each other, the second detector is arranged on the main mounting plate, at least two oblong holes are arranged on the secondary mounting plate, the length direction of the oblong holes is parallel to the main mounting plate, and the distance between the oblong holes and the main mounting plate is not exactly the same.

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