Fixing device and track detection device

Abstract

The utility model relates to the technical field of track detection, in particular to a fixing device and a track detection device.The fixing device comprises a fixing assembly, a bearing assembly and a sliding way assembly, the two ends, in the second direction, of the sliding way assembly are fixed to two steel rails through the fixing assembly correspondingly, and the bearing assembly is used for fixing a collecting piece; the bearing assembly is movably connected with the sliding way assembly so that the bearing assembly can be switched between the debugging state and the detection state, and when the bearing assembly is in the debugging state, the bearing assembly and the sliding way assembly are in sliding connection in the second direction. When the bearing assembly is in the test state, the bearing assembly is fixed relative to the slide way assembly. According to the fixing device and the track detection device provided by the invention, the influence of the vibration of the steel rail on the testing device is effectively reduced, the position of the testing device in the second direction can be flexibly determined according to the field track condition, the stability of the testing device in the testing process is ensured, and the reliability of testing data is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of track detection, in particular to a fixing device and a track detection device. BACKGROUND

[0002] In the axle counter probe interference test, the existing collection equipment is usually fixed on the rail waist of the steel rail by bundling, bolting, riveting and other methods. However, during the experiment, the vehicle runs at high speed, and the collection equipment is easily shaken and deviated due to factors such as vehicle vibration and airflow brought by the vehicle, which leads to instability of the collection equipment, affects the driving safety, and greatly affects the reliability of the data collected by the collection equipment, resulting in large deviation of the test data.

[0003] In addition, once the collection equipment is fixed by the existing fixing method, the position of the collection equipment is difficult to adjust, and the data collection accuracy of the collection equipment is greatly affected by the installation position and installation accuracy. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a fixing device and a track detection device to solve the technical problem that in the prior art, during the experiment, the vehicle runs at high speed, and the collection equipment is easily shaken and deviated due to factors such as vehicle vibration and airflow brought by the vehicle, which leads to instability of the collection equipment, affects the driving safety, and greatly affects the reliability of the data collected by the collection equipment, resulting in large deviation of the test data.

[0005] According to the first aspect of the present application, a fixing device is provided for fixing a collection piece on a track extending in a first direction, the track comprising two steel rails arranged side by side, the fixing device comprising a fixing assembly, a supporting assembly and a slide assembly;

[0006] The slide assembly extends from between the two steel rails to the two steel rails in a second direction respectively, and the two ends of the slide assembly in the second direction are fixed with the two steel rails respectively through the fixing assembly, and the second direction is perpendicular to the first direction;

[0007] The supporting assembly is used for fixing the collection piece, and the supporting assembly is movably connected with the slide assembly to switch the supporting assembly between a debugging state and a detection state;

[0008] When the supporting assembly is in the debugging state, the supporting assembly is movably connected with the slide assembly in the second direction;

[0009] When the supporting assembly is in the test state, the supporting assembly is fixed relative to the slide assembly.

[0010] Preferably, the supporting assembly comprises an adjusting part and a supporting part, the supporting part is used for setting the collecting member, a first end of the adjusting part in a third direction is connected with the supporting part, and a second end of the adjusting part in the third direction is connected with the slide assembly.

[0011] The adjusting part is adjustable in a dimension in the third direction, which is perpendicular to a plane determined by the first direction and the second direction.

[0012] Preferably, the adjusting part comprises a screw sleeve, a first threaded column and a second threaded column, which all extend along the third direction, the first threaded column and the second threaded column are respectively threadedly connected with the screw sleeve from two ends of the screw sleeve in the third direction.

[0013] The screwing directions of the first threaded column and the second threaded column are opposite.

[0014] Preferably, the adjusting part further comprises a first limiting cap and a first adjusting nut, the first limiting cap is arranged at an end of the first threaded column in the third direction away from the screw sleeve, and the first adjusting nut is threadedly connected with the first threaded column, so that the supporting part can be locked between the first limiting cap and the first adjusting nut.

[0015] Preferably, the adjusting part further comprises a second limiting cap and a second adjusting nut, the second limiting cap is arranged at an end of the second threaded column in the third direction away from the screw sleeve, and the second adjusting nut is threadedly connected with the second threaded column, so that the slide assembly can be locked between the second limiting cap and the second adjusting nut.

[0016] Preferably, the slide assembly comprises a connecting buckle and a plurality of slide pieces extending along a second direction, the plurality of slide pieces are arranged in sequence along the second direction, and adjacent two slide pieces are detachably connected via the connecting buckle.

[0017] The supporting assembly is detachably connected with the slide piece.

[0018] Preferably, the slide piece is provided with a sliding groove penetrating through the slide piece, the sliding groove extends along the first direction, and the supporting assembly is slidingly connected with the slide assembly via the sliding groove.

[0019] Preferably, the steel rail comprises a rail head, a rail waist and a rail bottom.

[0020] Part of the slide assembly extends below the steel rail, and at least part of the slide assembly is attached to a bottom surface of the rail bottom.

[0021] The fixing assembly comprises a pressing block and a locking part, a part of the pressing block is pressed above the rail bottom, and the locking part is used for locking the pressing block and the slide assembly.

[0022] Preferably, the size of the slide assembly in the second direction is greater than the maximum distance of the rail in the second direction, so that the two ends of the slide assembly in the second direction can extend to the outside of the two rails along the second direction respectively.

[0023] For any rail, the two sides of the rail in the second direction are provided with the fixing assembly.

[0024] According to the second aspect of the present application, a rail detection device is provided, which comprises the fixing device of any of the above technical solutions, so that the fixing device has all the beneficial technical effects, which will not be described here.

[0025] Compared with the prior art, the beneficial effects of the present application are:

[0026] The fixing device provided by the present application fixes the two ends of the slide assembly on the two rails through the fixing assembly respectively, and sets the test device on the slide assembly through the supporting assembly. On the one hand, it ensures the stability of the setting of the fixing device, and compared with the prior art of directly setting the test device on the rail, it can effectively reduce the influence of the vibration of the rail on the test device. On the other hand, the supporting assembly and the slide assembly are switched between the debugging state and the detection state, so that when the supporting assembly is in the debugging state, the supporting assembly and the slide assembly are connected in the second direction, and the position of the test device in the second direction (for example, the value of Y1) can be adjusted adaptively according to the actual track condition. When the supporting assembly is in the test state, the supporting assembly is fixed relative to the slide assembly, which can ensure the stability of the test device during the test and ensure the reliability of the test data. Figure 4

[0027] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0029] Figure 1 ​The fixed device provided by the embodiment of the application is assembled on the axial structure of the track.

[0030] Figure 2 The fixed device provided by the embodiment of the application is assembled on the axial structure of the track.

[0031] Figure 3 The fixed device provided by the embodiment of the application is assembled on the axial structure of the track.

[0032] Figure 4 The fixed device provided by the embodiment of the application is assembled on the axial structure of the track.

[0033] Reference signs:

[0034] 1-steel rail; 11-rail head; 12-rail waist; 13-rail bottom; 2-fixed assembly; 21-pressing block part; 211-clamping part; 212-connecting part; 22-locking part; 311-screw sleeve; 3121-first threaded column; 3122-second threaded column; 3131-first limiting cap; 3142-second adjusting nut; 41-sliding plate; 411-sliding groove; 42-connecting buckle; 5-acquisition piece;

[0035] F1-first direction; F2-second direction; F3-third direction. DETAILED DESCRIPTION

[0036] The technical solutions of the present application will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0037] The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0038] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside 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] The following refers to Figures 1 to 4 The fixing device and the track detection device according to some embodiments of the present application are described.

[0042] Referring to Figures 1 to 4 The embodiments of the first aspect of the present application provide a fixing device for fixing a collection device 5 to a track extending in a first direction F1. The track includes two steel rails 1 arranged side by side. The fixing device includes a fixing assembly 2, a supporting assembly and a slide assembly. Specifically, as Figure 1 The slide assembly extends from between the two steel rails 1 to the two steel rails 1 in a second direction F2, and the two ends of the slide assembly in the second direction F2 are fixed to the two steel rails 1 via the fixing assembly 2. The supporting assembly is used to fix the above-mentioned collection device 5, and the supporting assembly is movably connected with the slide assembly to switch between a debugging state and a testing state. When the supporting assembly is in the debugging state, the supporting assembly is movably connected with the slide assembly in the second direction F2. When the supporting assembly is in the testing state, the supporting assembly is fixed relative to the slide assembly.

[0043] According to the above technical features, the two ends of the slide assembly are fixed to the two steel rails 1 via the fixing assembly 2, and the testing device is arranged on the slide assembly via the supporting assembly. On the one hand, it ensures the stability of the arrangement of the fixing device, and compared with the prior art of directly arranging the testing device on the steel rail 1, it can effectively reduce the influence of the vibration of the steel rail 1 on the testing device. On the other hand, the supporting assembly and the slide assembly switch between the debugging state and the testing state, so that when the supporting assembly is in the debugging state, the supporting assembly is movably connected with the slide assembly in the second direction F2, which can flexibly adapt to the position of the testing device in the second direction F2 (for example, the value of Y1 shown in the figure) according to the actual track situation, and when the supporting assembly is in the testing state, the supporting assembly is fixed relative to the slide assembly, which can ensure the stability of the testing device during testing and ensure the reliability of the test data. Figure 4

[0044] As Figure 1 ​As shown, F1 shown in the figure can be an example of the first direction F1 described above, wherein the first direction F1 can be the extension direction of the track described above. F2 shown in the figure can be an example of the second direction F2 described above, which can be perpendicular to the first direction F1 described above. For ease of description, the direction perpendicular to the plane determined by the first direction F1 and the second direction F2 is defined as the third direction F3, and F3 shown in the figure can be an example of the third direction F3 described above.

[0045] Preferably, as shown in Figure 1 and Figure 2 The supporting assembly described above can include an adjusting part and a supporting part for setting the collection part 5, the first end of the adjusting part in the third direction F3 is connected with the supporting part, and the second end of the adjusting part in the third direction F3 is connected with the slide assembly, so that the two ends of the adjusting part are connected with the slide assembly and the supporting part respectively, and the collection part 5 is further pulled away from the slide assembly, so as to further reduce the influence of track vibration on the collection part 5.

[0046] Preferably, as shown in Figure 1 and Figure 2 The size of the adjusting part in the third direction F3 can be adjusted, so as to further improve the flexibility of the setting position of the detection device, so that the fixing device can adaptively adjust the position of the test device in the third direction F3 (for example, the value of Z1 shown in the figure) according to the actual track situation. Figure 4

[0047] Preferably, as shown in Figure 1 and Figure 2 The adjusting part can include a screw sleeve 311, a first threaded column 3121 and a second threaded column 3122, which all extend in the third direction F3. The first threaded column 3121 and the second threaded column 3122 are respectively screwed with the screw sleeve 311 from both ends of the screw sleeve 311 in the third direction F3, so that the extension and shortening of the adjusting part in the third direction F3 can be realized by screwing the screw sleeve 311.

[0048] Preferably, the screwing directions of the first threaded column 3121 and the second threaded column 3122 can be opposite, so as to ensure the consistency of the adjustment of the first threaded column 3121 and the second threaded column 3122, and facilitate the adjustment operation of the adjusting part. In other words, when the screw sleeve 311 is screwed in a certain clockwise direction, the first threaded column 3121 and the second threaded column 3122 can be simultaneously extended or simultaneously retracted relative to the screw sleeve 311.

[0049] ​It should be noted that the adjusting part is not limited to the threaded connection structure of the screw sleeve 311, the first threaded rod and the second threaded rod, and can also be other telescopic structures, such as an electric telescopic rod, an air cylinder, a linear motor, etc., as long as the position of the supporting part in the third direction F3 can be adjusted.

[0050] Preferably, as shown in Figure 1 and Figure 2 , the adjusting part can also include a first limiting cap 3131 and a first adjusting nut (not shown in the figure because it is blocked by the supporting part), the first limiting cap 3131 is arranged at one end of the first threaded column 3121 away from the screw sleeve 311 in the third direction F3, and the first adjusting nut is threadedly connected with the first threaded column 3121, so that the supporting part can be locked between the first limiting cap 3131 and the first adjusting nut.

[0051] Optionally, the first limiting cap 3131 can be integrally connected with the first threaded column 3121. Optionally, the first limiting cap 3131 and the first threaded column 3121 can be the screw rod and the nut of a bolt.

[0052] Optionally, the first limiting cap 3131 can also be a nut to facilitate disassembly of the supporting part.

[0053] Preferably, the supporting part can be provided with a clamping groove, and the collection piece 5 can be embedded in the clamping groove.

[0054] Preferably, as shown in Figures 1 to 2 , the slide assembly can include a sliding sheet 41, the sliding sheet 41 can be provided with a sliding groove 411 penetrating the sliding sheet 41, and the second threaded rod can penetrate the sliding groove 411 in the third direction F3 to realize the sliding connection between the slide assembly and the supporting assembly.

[0055] Preferably, as shown in Figure 1 and Figure 2 , the sliding sheet 41 can be provided with a plurality of sliding grooves 411 extending in the second direction F2, and the plurality of sliding grooves 411 can be arranged side by side in the first direction F1. Each sliding groove 411 can be provided with the adjusting part. In other words, a plurality of adjusting parts can be arranged between the supporting part and the sliding sheet 41 to improve the stability of the supporting part and further reduce the influence of the vibration and airflow caused by the high-speed train on the collection piece 5.

[0056] Preferably, as shown in Figure 1 and Figure 2As shown, the adjusting part can further include a second limiting cap and a second adjusting nut 3142, the second limiting cap is arranged at one end of the second threaded column 3122 away from the screw sleeve 311 in the third direction F3, and the second adjusting nut 3142 is threadedly connected with the second threaded column 3122, so that the slide rail assembly can be locked between the second limiting cap and the second adjusting nut 3142.

[0057] Similarly, the second limiting cap can be integrally connected with the second threaded column 3122. Alternatively, the second limiting cap and the second threaded column 3122 can be the screw rod and the screw cap of a bolt.

[0058] Alternatively, the second limiting cap can also be a nut, so as to facilitate the detachable connection between the supporting assembly and the slide plate 41.

[0059] In an embodiment, preferably, as shown in Figure 1 and Figure 2 the slide rail assembly can include a connecting buckle 42 and a plurality of slide plates 41, the plurality of slide plates 41 can be arranged in sequence along the second direction F2, and adjacent two slide plates 41 can be detachably connected through the connecting buckle 42, after the detection is completed, the plurality of slide plates 41 can be detached and stacked, so as to facilitate the carrying and storage of the fixing device.

[0060] Alternatively, the connecting buckle 42 can be a bolt and nut matched with each other.

[0061] Alternatively, the connecting buckle 42 can also be a buckle and slot matched with each other.

[0062] As shown in Figure 1 the rail 1 can include a rail head 11, a rail waist 12 and a rail bottom 13, and the fixing assembly 2 can be connected with the rail bottom 13 to fix the slide rail assembly, so as to not only avoid the interference of the fixing device with the normal running of the train, but also connect the fixing assembly 2 with the relatively stable rail bottom 13 in the rail 1, further reducing the influence of the train running on the detection device.

[0063] Preferably, as shown in Figure 1 and Figure 3 the slide plate 41 can pass through the rail 1 from below the rail 1, and at least part of the slide plate 41 is attached to the bottom surface of the rail bottom 13. The fixing assembly 2 can include a pressing block part 21 and a locking part 22, at least part of the pressing block part 21 can be pressed above the rail bottom 13, and the locking part 22 connects the pressing block part 21 and the slide rail assembly to form a clamping gap between the pressing block part 21 and the slide rail assembly, which can clamp the rail bottom 13, so as to realize the fixation of the slide rail assembly and the rail bottom 13.

[0064] Preferably, as shown in Figure 3As shown, the pressing block 21 can include a clamping portion 211 and a connecting portion 212 connected integrally, and the size of the clamping portion 211 is smaller than that of the connecting portion 212 in the third direction F3, so as to expand the clamping gap to adapt to the thickness of the rail bottom 13, thereby ensuring the clamping stability of the pressing block 21 to the rail bottom 13.

[0065] Optionally, the locking portion 22 can be a bolt and a nut matched with each other. As shown, Figure 3 As shown, the locking portion 22 can pass through the sliding groove 411 to fix the sliding piece 41 and the pressing block 21, so as to simplify the machining process of the sliding piece 41 and improve the strength of the sliding piece 41.

[0066] Preferably, as shown, Figure 1 and Figure 2 As shown, the size of the sliding track assembly in the second direction F2 is greater than the maximum distance of the rail in the second direction F2, so that the two ends of the sliding track assembly in the second direction F2 can extend to the outside of the two rails 1 along the second direction F2, respectively. As shown, Figure 3 As shown, for any of the rails 1, the two sides of the rail 1 in the second direction F2 can be provided with the fixing assembly 2, so as to further improve the setting stability of the sliding track assembly.

[0067] The embodiment of the second aspect of the application also provides a rail detection device, which includes the collection member 5 and the fixing device of any of the above embodiments, so as to have all the beneficial technical effects of the fixing device, which will not be described herein.

[0068] Optionally, the collection member 5 can be a data collection sensor, such as an axle counter, a visual collector, etc.

[0069] Preferably, the rail detection device can further include a sending member, which can be arranged on a train to be tested, and the collection member 5 can collect the signal of the sending member on the high-speed running train during the test, so as to realize the collection of test data.

[0070] As shown, Figure 4 As shown, the figure is a schematic diagram of the setting position of the axle counter for the interference test of the axle counter probe during the running of the detection vehicle (i.e., the collection member 5 is an axle counter), and the rail detection device provided by the application can collect the signal of the sending member at different Z1 and Y1 positions.

[0071] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A fixture, characterized in that The application relates to a fixing device for fixing a collecting device to a track extending in a first direction, the track comprising two steel rails arranged side by side, the fixing device comprising a fixing assembly, a supporting assembly and a sliding assembly; The sliding assembly extends from between the two steel rails to the two steel rails in a second direction respectively, and the two ends of the sliding assembly in the second direction are fixed to the two steel rails respectively via the fixing assembly, the second direction being perpendicular to the first direction; The supporting assembly is used for fixing the collecting device, and the supporting assembly is movably connected to the sliding assembly so as to switch between a debugging state and a testing state; When the supporting assembly is in the debugging state, the supporting assembly is movably connected to the sliding assembly in the second direction; When the supporting assembly is in the testing state, the supporting assembly is fixed relative to the sliding assembly.

2. The fixture of claim 1, wherein The supporting assembly comprises an adjusting part and a supporting part, the supporting part being used for arranging the collecting device, a first end of the adjusting part in a third direction being connected to the supporting part, and a second end of the adjusting part in the third direction being connected to the sliding assembly; The adjusting part is adjustable in the third direction, the third direction being perpendicular to a plane defined by the first direction and the second direction.

3. The fixture of claim 2, wherein The adjusting part comprises a screw sleeve, a first threaded column and a second threaded column, the first threaded column and the second threaded column being threadedly connected to the screw sleeve respectively from two ends of the screw sleeve in the third direction; The screwing directions of the first threaded column and the second threaded column are opposite.

4. The fixture of claim 3, wherein The adjusting part further comprises a first limiting cap and a first adjusting nut, the first limiting cap being arranged at an end of the first threaded column in the third direction away from the screw sleeve, and the first adjusting nut being threadedly connected to the first threaded column so that the supporting part can be locked between the first limiting cap and the first adjusting nut.

5. The fixture of claim 3, wherein The adjusting part further comprises a second limiting cap and a second adjusting nut, the second limiting cap being arranged at an end of the second threaded column in the third direction away from the screw sleeve, and the second adjusting nut being threadedly connected to the second threaded column so that the sliding assembly can be locked between the second limiting cap and the second adjusting nut.

6. The fixture of any one of claims 1 to 5, wherein, The sliding assembly comprises a connecting buckle and a plurality of sliding pieces extending in the second direction, the plurality of sliding pieces being arranged in sequence in the second direction, and adjacent two sliding pieces being detachably connected via the connecting buckle; The supporting assembly is detachably connected to the sliding pieces.

7. The fixture of claim 6, wherein The sliding pieces are provided with sliding grooves penetrating through the sliding pieces, the sliding grooves extending in the first direction, and the supporting assembly being movably connected to the sliding assembly via the sliding grooves.

8. The fixing device according to claim 1, wherein The steel rails comprise rail heads, rail waists and rail bottoms; Part of the sliding assembly extends below the steel rails, and at least part of the sliding assembly is attached to the bottom surface of the rail bottoms. The fixing assembly comprises a pressing block and a locking part, a part of the pressing block is pressed above the rail bottom, and the locking part is used for locking the pressing block and the slide assembly.

9. The fixing device according to claim 1, wherein, The size of the slide assembly in the second direction is greater than the maximum distance of the rail in the second direction, so that the two ends of the slide assembly in the second direction can extend to the outside of the two rails along the second direction respectively. For any rail, the two sides of the rail in the second direction are provided with the fixing assembly.

10. A track detection device, characterized in that The fixing device comprises the collecting part and any one of claims 1 to 9.

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