Auxiliary device for track precision measurement and track detection equipment

Abstract

The utility model provides an auxiliary device for track precision measurement and track detection equipment, which comprises a measurement reference frame, two first traveling mechanisms and a second traveling mechanism, and is characterized in that the measurement reference frame is arranged on a main side track in a sliding manner through the two traveling mechanisms; the measuring reference frame is arranged on the auxiliary side rail in a sliding mode through one walking mechanism, the two walking mechanisms are located on the perpendicular bisector of a line segment formed by connecting the two first walking mechanisms as the end points, and when the auxiliary side rail is installed, only a dial indicator on the measuring reference frame needs to make contact with the side face of the auxiliary side rail, and then the auxiliary side rail can be installed. The installation position of the auxiliary side rail can be adjusted in time according to the data deviation measured by the dial indicator and the measurement reference frame is slid along the extension direction of the main side rail, so that the parallelism of the main side rail and the auxiliary side rail can be conveniently, efficiently and accurately measured, the parallelism of the main side rail and the auxiliary side rail of the rail is ensured to meet the requirement, and the measurement accuracy is improved. And the moving precision and the cutting precision of the laser cutting machine are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the rail measurement and detection technical field, especially, relate to a kind of auxiliary device and rail detection equipment for rail precision measurement. BACKGROUND

[0002] With the popularization of laser cutting machine application, large laser cutting machine generally needs to use rail system to move greatly. Since laser cutting is much higher than plasma cutting, the parallelism of the main edge rail and the vice edge rail of the rail is required to be higher. If the main edge rail and the vice edge rail of the rail are not installed in parallel, the precision of the laser cutting machine moving will be affected, thereby affecting the precision of the laser cutting machine cutting. At present, during the installation of the main edge rail and the vice edge rail of the rail, the parallelism of the main edge rail and the vice edge rail cannot be accurately measured conveniently and efficiently, so as to adjust the vice edge rail in time according to the measurement result, to ensure that the main edge rail and the vice edge rail of the rail have the composite required parallelism. SUMMARY

[0003] Based on the above problems existing in the prior art, the purpose of the embodiments of the utility model is to provide an auxiliary device for rail precision measurement, to solve the problem that the parallelism of the main edge rail and the vice edge rail cannot be accurately measured conveniently and efficiently during the installation of the main edge rail and the vice edge rail of the rail in the prior art.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is: an auxiliary device for rail precision measurement is provided, comprising:

[0005] A measurement reference frame is used to install a micrometer gauge in a matched manner, and drive the micrometer gauge to move along the length direction of the rail;

[0006] A first walking mechanism is used to slide the measurement reference frame on the main edge rail of the rail; and

[0007] A second walking mechanism is used to slide the measurement reference frame on the vice edge rail of the rail.

[0008] Among them, the first walking mechanism is provided with two, the second walking mechanism is provided with one, the two first walking mechanisms are arranged at one end of the measurement reference frame near the main edge rail, the second walking mechanism is arranged at one end of the measurement reference frame near the vice edge rail, and the second walking mechanism is located on the perpendicular bisector of the line segment formed by connecting two first walking mechanisms as end points.

[0009] Further, the measuring reference frame is a T-shaped frame, which comprises a reference shaft arranged axially parallel to the main edge rail and a connecting shaft arranged axially perpendicular to the main edge rail, and an axis of the connecting shaft coincides with a perpendicular bisector of a line segment formed by two ends of the reference shaft.

[0010] Further, one of the first traveling mechanisms is arranged at a first end of the reference shaft, and the other of the first traveling mechanisms is arranged at a second end of the reference shaft, and the second traveling mechanism is arranged on the connecting shaft.

[0011] Further, the auxiliary device for rail precision measurement further comprises a reinforcing structure for connecting the reference shaft and the connecting shaft, which is arranged symmetrically on both sides of the connecting shaft with the axis of the connecting shaft as a symmetric line.

[0012] Further, the first traveling mechanism comprises a first sliding table, at least one group of first load-bearing rolling components arranged on the first sliding table and used for rolling support on an upper surface of the main edge rail, at least one group of first side-pressing rolling components arranged on the first sliding table and used for rolling abutment on a side surface of the main edge rail facing the auxiliary edge rail, and at least one group of first pressing rolling components arranged on the first sliding table and used for rolling abutment on a side surface of the main edge rail away from the auxiliary edge rail, and the first sliding table is fixedly connected with the measuring reference frame.

[0013] Further, the first pressing rolling component comprises a first guide shaft arranged on the first sliding table, a first support slidingly arranged on the first guide shaft, a first roller or a first bearing arranged on the first support, and a first spring sleeved on the first guide shaft and elastically abutting the first support towards the main edge rail.

[0014] Further, the second traveling mechanism comprises a second sliding table, at least one group of second load-bearing rolling components arranged on the second sliding table and used for rolling support on an upper surface of the auxiliary edge rail, at least one group of second side-pressing rolling components arranged on the second sliding table and used for rolling abutment on a side surface of the auxiliary edge rail facing the main edge rail, and at least one group of second pressing rolling components arranged on the second sliding table and used for rolling abutment on a side surface of the auxiliary edge rail away from the main edge rail, and the second sliding table is fixedly connected with the measuring reference frame.

[0015] Further, the second pressing rolling component comprises a second guide shaft arranged on the second sliding table, a second support slidingly arranged on the second guide shaft, a second roller or a second bearing arranged on the second support, and a second spring sleeved on the second guide shaft and elastically abutting the second support towards the main edge rail.

[0016] Further, the auxiliary device for track precision measurement further comprises a table seat for matching installation of the micrometer, and the table seat is magnetically connected to the measurement reference frame.

[0017] Another purpose of the embodiment of the utility model lies in providing a track detection equipment comprising the auxiliary device for track precision measurement provided by any of the above embodiments, so as to solve the problem that the parallelism of the main side track and the auxiliary side track cannot be accurately measured conveniently and efficiently in the process of installation of the main side track and the auxiliary side track.

[0018] To achieve the above purpose, the utility model adopts the technical scheme of providing a track detection equipment comprising the auxiliary device for track precision measurement provided by any of the above embodiments.

[0019] Compared with the prior art, the above one or more technical schemes in the embodiment of the utility model have at least one of the following beneficial effects:

[0020] The auxiliary device for track precision measurement and the track detection equipment in the embodiment of the utility model comprise a measurement reference frame, two first walking mechanisms and one second walking mechanism, the measurement reference frame is slidably arranged on the main side track through the two walking mechanisms, the measurement reference frame is slidably arranged on the auxiliary side track through the one walking mechanism, and the two walking mechanisms are located on the perpendicular bisector of the line segment formed by connecting the two first walking mechanisms as end points, when the auxiliary side track is installed, only the micrometer on the measurement reference frame needs to be in contact with the side surface of the auxiliary side track, and the measurement reference frame is slid along the extension direction of the main side track, the installation position of the auxiliary side track can be timely adjusted through the measured data deviation of the micrometer, the parallelism of the main side track and the auxiliary side track can be accurately measured conveniently and efficiently, the parallelism of the main side track and the auxiliary side track of the track can be fully ensured to have the composite requirement, and the precision of movement and the cutting precision of the laser cutting machine are improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 The auxiliary device for track precision measurement provided by the embodiment of the utility model is a perspective structural schematic view;

[0023] Figure 2 The auxiliary device for track precision measurement provided by the embodiment of the utility model is a top view structural schematic view;

[0024] Figure 3 The exploded view of the auxiliary device for track precision measurement is provided for the embodiment of the utility model;

[0025] Figure 4 The three-dimensional structure schematic diagram of the first walking mechanism is provided for the embodiment of the utility model;

[0026] Figure 5 The front view structure schematic diagram of the first walking mechanism is provided for the embodiment of the utility model;

[0027] Figure 6 The Figure 5 The cross section structure schematic diagram along A-A line is provided for the embodiment of the utility model;

[0028] Figure 7 The exploded view of the first walking mechanism is provided for the embodiment of the utility model;

[0029] Figure 8 The three-dimensional structure schematic diagram of the second walking mechanism is provided for the embodiment of the utility model;

[0030] Figure 9 The front view structure schematic diagram of the second walking mechanism is provided for the embodiment of the utility model;

[0031] Figure 10 The Figure 9 The cross section structure schematic diagram along B-B line is provided for the embodiment of the utility model;

[0032] Figure 11 The exploded view of the second walking mechanism is provided for the embodiment of the utility model.

[0033] Wherein, the various reference signs in the drawing:

[0034] 1-measurement reference frame;11-reference shaft;12-connection shaft;

[0035] 2-the first walking mechanism;21-the first sliding table;22-the first bearing rolling assembly;221-the first support;222-the first rolling bearing;23-the first side pressure rolling assembly;231-the second support;232-the second rolling bearing;24-the first pressure rolling assembly;241-the first guide shaft;242-the first support;243-the first bearing;244-the first spring;245-the first sliding hole;

[0036] 3 - second walking mechanism; 31 - second sliding table; 32 - second bearing rolling assembly; 321 - third support; 322 - third rolling bearing; 33 - second side pressing rolling assembly; 331 - fourth support; 232 - fourth rolling bearing; 34 - second pressing rolling assembly; 341 - second guide shaft; 342 - second support; 343 - second bearing; 344 - second spring; 345 - second sliding hole;

[0037] 4 - reinforcing structure; 41 - reinforcing rod;

[0038] 5 - main side rail; 6 - sub side rail. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application.

[0040] It should be noted that when an element is referred to as being "connected to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the terms "first", "second", "third" and "fourth" are only for descriptive purposes and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second", "third" and "fourth" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically defined. In the description of the present application, it should be noted that, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Thus, the appearances of the phrase "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0042] Please refer to Figures 1 to 11 , now the auxiliary device for track precision measurement provided by the embodiment of the utility model will be described. Please further refer to Figure 1 、 Figure 2 and Figure 3 , the auxiliary device for track precision measurement provided by the embodiment of the utility model comprises a measurement reference frame 1, a first walking mechanism 2 and a second walking mechanism 3. The measurement reference frame 1 is used for matching installation of a micrometer and driving the micrometer to move along the length direction of the track. The first walking mechanism 2 is used for slidingly arranging the measurement reference frame 1 on the main edge track 5 of the track. The second walking mechanism 3 is used for slidingly arranging the measurement reference frame 1 on the auxiliary edge track 6 of the track. Among them, the first walking mechanism 2 is provided with two, and the second walking mechanism 3 is provided with one. The two first walking mechanisms 2 are arranged at one end of the measurement reference frame 1 close to the main edge track 5. The second walking mechanism 3 is arranged at one end of the measurement reference frame 1 close to the auxiliary edge track 6, and the second walking mechanism 3 is located on the perpendicular bisector of the line segment formed by connecting the two first walking mechanisms 2 as end points. Specifically, please further refer to Figure 1 、 Figure 2 and Figure 3 , the measurement reference frame 1 is a T-shaped frame, which comprises a reference shaft 11 arranged axially parallel to the main edge track 5 and a connecting shaft 12 arranged axially perpendicular to the main edge track 5. The axis of the connecting shaft 12 coincides with the perpendicular bisector of the line segment formed by connecting the two ends of the reference shaft 11. Since the measurement reference frame 1 is slidingly arranged on the main edge track 5 through two walking mechanisms, and the measurement reference frame 1 is slidingly arranged on the auxiliary edge track 6 through one walking mechanism, and the two walking mechanisms are located on the perpendicular bisector of the line segment formed by connecting the two first walking mechanisms 2 as end points, when the auxiliary edge track 6 is installed, only the micrometer on the measurement reference frame 1 needs to be in contact with the side surface of the auxiliary edge track 6, and the measurement reference frame 1 needs to be slid along the extension direction of the main edge track 5. The installation position of the auxiliary edge track 6 can be adjusted in time through the measured data deviation of the micrometer, so that the parallelism of the main edge track 5 and the auxiliary edge track 6 can be accurately measured conveniently and efficiently, so as to fully ensure that the main edge track 5 and the auxiliary edge track 6 of the track have the composite required parallelism, thereby improving the precision of the laser cutting machine movement and the cutting precision.

[0043] Please refer toFigure 1 and Figure 2 In some embodiments, one first walking mechanism 2 is arranged at the first end of the reference shaft 11, another first walking mechanism 2 is arranged at the second end of the reference shaft 11, and the second walking mechanism 3 is arranged on the connecting shaft 12. Since the axis of the connecting shaft 12 coincides with the perpendicular bisector of the line segment formed by the two ends of the reference shaft 11, the second walking mechanism 3 can be fully ensured to be located on the perpendicular bisector of the line segment formed by the two first walking mechanisms 2 as endpoints, which is beneficial to conveniently and efficiently assist in measuring the parallelism of the main side rail 5 and the auxiliary side rail 6, and improve the measurement accuracy.

[0044] Please refer to Figure 1 , Figure 2 and Figure 3 In some embodiments, in order to enhance the support strength of the T-shaped frame and improve the stability of the T-shaped frame movement, the auxiliary device for rail precision measurement further comprises a reinforcing structure 4 for connecting the reference shaft 11 and the connecting shaft 12. The reinforcing structure 4 is symmetrically arranged on both sides of the connecting shaft 12 with the axis of the connecting shaft 12 as the symmetry line. Specifically, the reinforcing structure 4 comprises two first reinforcing rods 41 arranged obliquely and two second reinforcing rods 42 axially parallel to the reference shaft 11. The first end of each first reinforcing rod 41 is fixedly connected to the middle position of the connecting shaft 12, and the second end of each first reinforcing rod 41 is fixedly connected to the corresponding end of the reference shaft 11. Each second reinforcing rod 42 connects the corresponding first reinforcing rod 41 and the connecting shaft 12. The reference shaft 11 and the connecting shaft 12 are fixedly connected through the first reinforcing rods 41 and the second reinforcing rods 42, which is beneficial to prevent the T-shaped frame from being slightly deformed during the force process and affecting the measurement accuracy.

[0045] Please refer to Figure 4 , Figure 5 , Figure 6 and Figure 7In some embodiments, the first walking mechanism 2 comprises a first sliding platform 21, at least one set of first bearing rolling components 22 arranged on the first sliding platform 21 and used for rolling and supporting on the upper surface of the main edge rail 5, at least one set of first side pressing rolling components 23 arranged on the first sliding platform 21 and used for rolling and pressing on the side surface of the main edge rail 5 facing the auxiliary edge rail 6, and at least one set of first pressing rolling components 24 arranged on the first sliding platform 21 and used for rolling and pressing on the side surface of the main edge rail 5 away from the auxiliary edge rail 6. The first sliding platform 21 is fixedly connected with the measurement reference frame 1. In this embodiment, the number of sets of the first bearing rolling components 22, the first side pressing rolling components 23 and the first pressing rolling components 24 can be one set or more than two sets, which can be reasonably arranged according to actual use requirements. Since the first sliding platform 21 is rolling supported on the upper surface of the main edge rail 5 through the first bearing rolling components 22, the smoothness of the first sliding platform 21 driving the measurement reference frame 1 to slide along the main edge rail 5 can be ensured. Moreover, the first side pressing rolling components 23 are arranged on the side surface of the main edge rail 5 facing the auxiliary edge rail 6, and the first pressing rolling components 24 are arranged on the side surface of the main edge rail 5 away from the auxiliary edge rail 6, so that the first side pressing rolling components 23 cooperate with the first pressing rolling components 24 to clamp the two sides of the main edge rail 5, which is beneficial to ensure the parallelism between the reference shaft 11 of the T-shaped frame and the main edge rail 5. In addition, by arranging the first pressing rolling components 24, the spacing between the first pressing rolling components 24 and the first side pressing rolling components 23 can be adjusted to adapt to the measurement of rails with different specifications and widths, thereby improving the versatility of use. It should be noted that the first bearing rolling components 22 comprise a first support 221 and a first rolling bearing 222 arranged on the first support 221, and the first rolling bearing 222 on the first support 221 is rolling supported on the upper surface of the main edge rail 5. The first side pressing rolling components 23 comprise a second support 231 and a second rolling bearing 232 arranged on the second support 231, and the second rolling bearing 232 on the second support 231 is rolling pressed on the side surface of the main edge rail 5 facing the auxiliary edge rail 6.

[0046] Please refer to Figure 4 、 Figure 5 、 Figure 6 and Figure 7In some embodiments, the first pressing rolling assembly 24 includes a first guide shaft 241 arranged on the first sliding base 21, a first support 242 arranged on the first guide shaft 241 through a first sliding hole 245, a first roller or a first bearing 243 arranged on the first support 242, and a first spring 244 arranged on the first guide shaft 241 and elastically abutting the first support 242 towards the main side rail 5. The first support 242 is elastically abutted towards the main side rail 5 by the first spring 244, so that the first roller or the first bearing 243 on the first support 242 can clamp both sides of the main side rail 5. In addition, the distance between the first roller or the first bearing 243 and the first side pressing rolling assembly 23 can be adjusted by the compression of the spring to adapt to the measurement of different specifications of the width of the rail.

[0047] Please refer to Figure 8 、 Figure 9 、 Figure 10 and Figure 11In some embodiments, the second walking mechanism 3 comprises a second sliding platform 31, at least one set of second bearing rolling components 32 arranged on the second sliding platform 31 and used for rolling and supporting on the upper surface of the secondary edge rail 6, at least one set of second side pressing rolling components 33 arranged on the second sliding platform 31 and used for rolling and pressing on the side surface of the secondary edge rail 6 facing the primary edge rail 5, and at least one set of second pressing rolling components 34 arranged on the second sliding platform 31 and used for rolling and pressing on the side surface of the secondary edge rail 6 away from the primary edge rail 5. The second sliding platform 31 is fixedly connected with the measurement reference frame 1. In this embodiment, the number of sets of the second bearing rolling components 32, the second side pressing rolling components 33 and the second pressing rolling components 34 can be one set or more than two sets, which can be reasonably arranged according to actual use requirements. Since the second sliding platform 31 is rolling supported on the upper surface of the secondary edge rail 6 through the second bearing rolling components 32, the smoothness of the second sliding platform 31 driving the measurement reference frame 1 to slide along the secondary edge rail 6 can be ensured. Moreover, the second side pressing rolling components 33 are arranged on the side surface of the secondary edge rail 6 facing the primary edge rail 5, and the second pressing rolling components 34 are arranged on the side surface of the secondary edge rail 6 away from the primary edge rail 5, so that the second side pressing rolling components 33 cooperate with the second pressing rolling components 34 to clamp the two sides of the secondary edge rail 6, which is beneficial to ensure the parallelism of the reference shaft 11 of the T-shaped frame and the primary edge rail 5. In addition, by arranging the second pressing rolling components 34, the spacing between the second pressing rolling components 34 and the second side pressing rolling components 33 can be adjusted to adapt to the measurement of rails with different specifications and widths, thereby improving the versatility of use. It should be noted that the second bearing rolling components 32 comprise a third bracket 321 and a third rolling bearing 322 arranged on the third bracket 321, and the third rolling bearing 322 on the third bracket 321 is rolling supported on the upper surface of the secondary edge rail 6. The second side pressing rolling components 33 comprise a fourth bracket 331 and a fourth rolling bearing 332 arranged on the fourth bracket 331, and the fourth rolling bearing 332 on the fourth bracket 331 is rolling pressed on the side surface of the secondary edge rail 6 facing the primary edge rail 5.

[0048] Please refer to Figure 8 、 Figure 9 、 Figure 10 and Figure 11In some embodiments, the second pressing and rolling assembly 34 comprises a second guide shaft 341 arranged on the second sliding base 31, a second support 342 arranged on the second guide shaft 341 through a second sliding hole 345, a second roller or a second bearing 343 arranged on the second support 342, and a second spring 344 arranged on the second guide shaft 341 and elastically abutting the second support 342 towards the main side rail 5. The second support 342 is elastically abutted towards the auxiliary side rail 6 by the second spring 344, so that the second roller or the second bearing 343 on the second support 342 can clamp the two sides of the auxiliary side rail 6. In addition, the distance between the second roller or the second bearing 343 and the second side pressing and rolling assembly 33 can be adjusted by the compression of the spring, so as to adapt to the measurement of rails with different widths.

[0049] It should be noted that, in some embodiments, the auxiliary device for rail precision measurement further comprises a table seat for mounting the dial gauge, and the table seat is magnetically connected to the measurement reference frame 1, and the dial gauge is mounted on the table seat.

[0050] The utility model also provides a rail detection equipment, the rail detection equipment includes any one of the auxiliary device for rail precision measurement and the dial gauge for measuring the rail level of the above embodiment, because the rail detection equipment has same technical features with the auxiliary device for rail precision measurement in any one of the above embodiment, so the rail detection equipment has same technical effect with the auxiliary device for rail precision measurement in any one of the above embodiment, and here is not superfluous repetition.

[0051] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement and improvement etc. in the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. An auxiliary device for track precision measurement, characterized in that, The utility model relates to a kind of auxiliary device for track precision measurement, including: Measurement reference frame, for matching installation micrometer, and drive micrometer along the length direction of track moves; First walking mechanism, for the measurement reference frame slidingly arranged in the main side track of track; And Second walking mechanism, for the measurement reference frame slidingly arranged in the side track of track; Wherein, the first walking mechanism is provided with two, the second walking mechanism is provided with one, two first walking mechanism is arranged in the measurement reference frame near the main side track one end, the second walking mechanism is arranged in the measurement reference frame near the side track one end, and the second walking mechanism is located in the perpendicular bisector of the line segment that two first walking mechanism is connected as end point.

2. The auxiliary device for rail precision measurement according to claim 1, characterized in that, The measurement reference frame is T-shaped frame, the T-shaped frame includes reference shaft and connecting shaft that are arranged axially parallel to main side track and axially perpendicular to main side track, the axis of the connecting shaft coincides with the perpendicular bisector of the line segment that is connected by two ends of the reference shaft.

3. The device according to claim 2, characterized in that, One first walking mechanism is arranged in the first end of the reference shaft, another first walking mechanism is arranged in the second end of the reference shaft, and the second walking mechanism is arranged on the connecting shaft.

4. The gauge for measuring the precision of a rail according to claim 2, wherein The auxiliary device for track precision measurement further includes a reinforcing structure for connecting the reference shaft and the connecting shaft, the reinforcing structure is symmetrically arranged on both sides of the connecting shaft with the axis of the connecting shaft as a symmetric line.

5. The gauge for measuring the precision of a rail according to claim 1, wherein The first walking mechanism includes a first sliding table, at least one set of first bearing rolling components arranged on the first sliding table and used for rolling support on the upper surface of the main side track, at least one set of first side pressure rolling components arranged on the first sliding table and used for rolling against the side of the main side track facing the side track, and at least one set of first pressure rolling components arranged on the first sliding table and used for rolling against the side of the main side track away from the side track, the first sliding table is fixedly connected with the measurement reference frame.

6. The device according to claim 5, characterized in that, The first pressure rolling component includes a first guide shaft arranged on the first sliding table, a first support slidingly arranged on the first guide shaft, a first roller or a first bearing arranged on the first support, and a first spring sleeved on the first guide shaft and elastically abutting the first support towards the main side track.

7. The gauge according to claim 1, wherein The second walking mechanism includes a second sliding table, at least one set of second bearing rolling components arranged on the second sliding table and used for rolling support on the upper surface of the side track, at least one set of second side pressure rolling components arranged on the second sliding table and used for rolling against the side of the side track facing the main side track, and at least one set of second pressure rolling components arranged on the second sliding table and used for rolling against the side of the side track away from the main side track, the second sliding table is fixedly connected with the measurement reference frame.

8. The device according to claim 7, characterized in that, The second pressure rolling component includes a second guide shaft arranged on the second sliding table, a second support slidingly arranged on the second guide shaft, a second roller or a second bearing arranged on the second support, and a second spring sleeved on the second guide shaft and elastically abutting the second support towards the main side track.

9. The auxiliary device for rail precision measurement according to any one of claims 1 to 8, characterized in that, The auxiliary device for track precision measurement further comprises a base for mounting a micrometer gauge, which is magnetically connected to the measuring reference frame.

10. A track detection device, characterized in that The auxiliary device for track precision measurement and the micrometer gauge for measuring track levelness are used together.

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