Monitoring device for railway bridge protection

By designing the installation structure of the support section, locking section, and spare monitoring components, the problems of inconvenient base plate installation and inaccurate judgment of train over-limit are solved, realizing convenient installation and highly accurate train over-limit detection.

CN223595585UActive Publication Date: 2025-11-25SHANXI DAQIN TIANCHUANG TECH CO LTD
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Patent Information

Application Number
CN202423193286.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-25
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The existing railway bridge monitoring device's base plate installation is inconvenient for adjustment and fixation, and the accuracy of judging train overload is insufficient.

Method used

An installation structure including a support, a locking part, a rail strip, and a connecting arc plate was designed. The support frustum and compensating arc-shaped rubber pads improve the ease of installation and stability. The pressure sensor is used to detect train over-limit conditions through a backup monitoring component.

Benefits of technology

This enables convenient installation and secure fixation of the base plate, improving the accuracy of train over-limit judgment and extending the long service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a monitoring device for railway bridge protection, which is provided with a supporting plate, a narrow notch, a wide through hole and a supporting circular truncated cone arranged on a U-shaped bolt, during installation, the U-shaped bolt and the supporting circular truncated cone can extend upwards from the wide through hole, then the U-shaped bolt is moved into the narrow notch, and the supporting circular truncated cone is arranged on the narrow notch. The bottom end of the supporting circular truncated cone makes contact with the top end of the supporting plate, temporary placement of the U-shaped bolt is achieved, a user can conveniently insert a base plate and a nut, and installation convenience is improved; in addition, track strips, mounting columns and C-shaped sliding plates are further arranged, the C-shaped sliding plates move along the track strips, adjustment is more convenient and faster, locking screw holes and locking nuts are arranged, the C-shaped sliding plates are fixed after being adjusted, the stability of the C-shaped sliding plates and related components is improved, and furthermore, a connecting arc-shaped plate is further arranged, so that synchronous movement of the two C-shaped sliding plates is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway bridge monitoring technical field especially relates to a monitoring device for railway bridge protection. BACKGROUND

[0002] The railway height limiting frame is a facility arranged along the railway and used for limiting the clearance height above the road or bridge. Its main functions include limiting the clearance height above the road or bridge, ensuring the smooth passing of trains and avoiding unnecessary interference. The conventional height limiting frame cross beam is provided with monitoring equipment, transmission equipment and solar power supply equipment. The information collected by the monitoring equipment is transmitted to the monitoring server for analysis, thereby realizing the purpose of overheight alarm and user notification.

[0003] The existing monitoring device comprises a camera and a mounting member. The base plate is fixed on the height limiting frame cross beam through two U-shaped bolts and nuts, and the camera is arranged on the base plate. This mounting method needs to manually hold the U-shaped bolt upward, which is not convenient for adjusting the position of the base plate and installing the base plate. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a monitoring device for railway bridge protection.

[0005] The utility model provides a monitoring device for railway bridge protection is located in the height limiting frame cross beam, including being located in the installation column of height limiting frame cross beam bottom, installation column along first direction both ends is equipped with track strip, installation column middle part's extension direction and track strip's extension direction are all second direction, installation column is arranged along second direction with a plurality of installation components, each installation component all includes:

[0006] The support part includes two C-shaped slides respectively clamped on the two track strips, the C-shaped slides are provided with support plates at their ends away from each other, the support plates are provided with two wide through holes arranged in the second direction at their top ends, and narrow notches are formed in the inner walls of the wide through holes towards the second direction.

[0007] The locking part includes two U-shaped bolts, a base plate sleeved on the top of the two U-shaped bolts, and a nut threadedly connected to the vertical section of the U-shaped bolt. Each U-shaped bolt includes two vertical sections and an arc section. The two vertical sections of the same U-shaped bolt pass through the narrow notches of the same end of the two support plates, respectively. A support circular platform is sleeved on the middle part of each vertical section. The width of the narrow notch is matched with the outer diameter of the vertical section. The bottom end of the support circular platform has a larger circular diameter than the top end. The outer edge of the bottom of the support circular platform is matched with the inner diameter of the wide through hole.

[0008] According to the technical scheme provided by the embodiment of the application, the two C-shaped slide plates are provided with a connecting arc-shaped plate, and the inner surface of the connecting arc-shaped plate is matched with the outer surface of the bottom of the mounting column.

[0009] According to the technical scheme provided by the embodiment of the application, the bottom end of the connecting arc-shaped plate is provided with a backup monitoring assembly, and the backup monitoring assembly is used for detecting that the train exceeds the height limit.

[0010] According to the technical scheme provided by the embodiment of the application, the backup monitoring assembly comprises a first vertical plate and a second vertical plate arranged at the bottom end of the connecting arc-shaped plate along a first direction, a pressure sensor is arranged at the end of the first vertical plate close to the second vertical plate, the output end of the pressure sensor is electrically connected with the input end of the monitoring server, an installation groove is arranged at the bottom end of the second vertical plate, a swing strip is rotatably connected to the bottom of the installation groove, the extension direction of the rotating shaft of the swing strip is a second direction, the swing strip extends away from the connecting arc-shaped plate, and a rubber strip is arranged at the top of the swing strip close to the end of the first vertical plate.

[0011] According to the technical scheme provided by the embodiment of the application, the outer surface of the connecting arc-shaped plate is provided with a compensation arc-shaped rubber pad at both ends along the second direction, and the outer surface of the compensation arc-shaped rubber pad is matched with the outer surface of the arc-shaped segment of the U-shaped bolt.

[0012] According to the technical scheme provided by the embodiment of the application, the compensation arc-shaped rubber pad is provided with an avoiding slot at the position corresponding to the wide through hole at the top end.

[0013] According to the technical scheme provided by the embodiment of the application, the mounting assembly is provided with two, one of which is provided with a laser radar on the substrate, and the other is provided with a camera on the substrate, and the output ends of the laser radar and the camera are electrically connected with the input end of the monitoring server.

[0014] According to the technical scheme provided by the embodiment of the application, the top end of the C-shaped slide plate is provided with a locking screw hole, the locking screw hole is internally threadedly connected with a locking bolt, and the bottom end of the locking bolt abuts against the top surface of the track strip.

[0015] Compared with the prior art, the application has the following advantages:

[0016] The application sets support plates, narrow notches, wide through holes and support circular tables arranged on the U-shaped bolts, when installing, the U-shaped bolts and the support circular tables can be stretched out from the wide through holes, then the U-shaped bolts are moved into the narrow notches, the temporary placement of the U-shaped bolts is realized through the contact between the bottom ends of the support circular tables and the top ends of the support plates, the user can insert the base plate and the nut, the convenience of installation is improved; in addition, the track strips, the mounting columns and the C-shaped slides are arranged, the C-shaped slides are moved along the track strips, the adjustment is more convenient, the locking screw holes and the locking nuts are arranged, the C-shaped slides are fixed after adjustment, the stability of the C-shaped slides and the related components is improved, further, the connecting arc-shaped plates are arranged, the synchronous movement of the two C-shaped slides is facilitated; in addition, the compensation arc-shaped rubber pads and the avoiding notches are arranged, on the one hand, the stability of the U-shaped bolts after installation is ensured, on the other hand, the compensation arc-shaped rubber pads do not block the support circular tables from passing through the wide through holes;

[0017] In addition, the standby monitoring assembly is arranged, when the train exceeds the height limit, the exceeding part pushes the swing strip, then drives the soft strip to swing, the soft strip extrudes the pressure sensor, the pressure sensor transmits the signal to the monitoring server, the train exceeding the height limit standard can be effectively judged, compared with analyzing the photographed image, the accuracy of physical contact is higher, the accuracy of the train over-limit judgment can be improved on the basis of the camera and the laser radar, under the action of gravity, the swing strip and the rubber strip are reset, do not interfere with the next use, the soft strip will not crush the pressure sensor, and the long-term use of the pressure sensor is ensured.

[0018] It should be understood that the content described in the content part of the utility model is not intended to limit the key or important features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the utility model will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0019] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments made by referring to the following drawings:

[0020] Figure 1 A structural schematic view of a monitoring device for railway bridge protection provided by the embodiment of the application;

[0021] Figure 2 A structural schematic view of an installation assembly in the monitoring device for railway bridge protection provided by the embodiment of the application;

[0022] Figure 3 An installation structural schematic view of a standby monitoring assembly in the monitoring device for railway bridge protection provided by the embodiment of the application;

[0023] Figure 4 For Figure 3A local enlarged structural schematic view of the middle A area;

[0024] Figure 5 A mounting structure schematic view of a C-shaped slide plate and a connecting arc-shaped plate in a monitoring device for railway bridge protection provided by the embodiment of the present application.

[0025] In the figure, the labels are as follows: 1, a height limiting frame cross beam; 2, a mounting column; 21, a track strip; 3, a mounting assembly; 31, a C-shaped slide plate; 32, a connecting arc-shaped plate; 33, a narrow notch; 34, a wide through hole; 35, a U-shaped bolt; 36, a supporting circular table; 37, a base plate; 38, a through groove; 39, a compensation arc-shaped rubber pad; 310, an avoiding notch; 311, a supporting plate; 312, a locking screw hole; 4, a backup monitoring assembly; 41, a first vertical plate; 42, a second vertical plate; 43, a pressure sensor; 44, a mounting groove; 45, a swing strip; 46, a rubber strip; 5, a laser radar; 6, a camera. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail below by combining with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description.

[0027] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below by combining with the embodiments and referring to the drawings.

[0028] Please refer to Figures 1-5 The embodiment of the utility model provides a monitoring device for railway bridge protection, which is arranged on the height limiting frame cross beam 1 and comprises a mounting column 2 arranged at the bottom of the height limiting frame cross beam 1. The mounting column 2 is provided with track strips 21 at both ends along a first direction, and the extension direction of the middle part of the mounting column 2 and the extension direction of the track strips 21 are both a second direction. The first direction is the front-back direction in the Figure 1 , and the second direction is the left-right direction in the Figure 1 .

[0029] A plurality of mounting assemblies 3 are arranged on the mounting column 2 along the second direction, and each mounting assembly 3 comprises:

[0030] A supporting part, which comprises two C-shaped slide plates 31 respectively clamped on the two track strips 21, and the C-shaped slide plates 31 are provided with supporting plates 311 at the ends away from each other, the top end of the supporting plate 311 is provided with two wide through holes 34 arranged along the second direction, and the inner wall of the wide through hole 34 extends in the second direction to form a narrow notch 33;

[0031] The locking part comprises two U-shaped bolts 35, a base plate 37 sleeved on the top of the two U-shaped bolts 35, and a nut threadedly connected to the vertical section of the U-shaped bolt 35, wherein the four corners of the base plate 37 are provided with through grooves 38, the two U-shaped bolts 35 pass through the through grooves 38 respectively, each U-shaped bolt 35 comprises two vertical sections and an arc section, the two vertical sections of the same U-shaped bolt 35 pass through the narrow notches 33 at the same end of the two support plates 311 respectively, a support circular table 36 is sleeved on the middle of each vertical section, the width of the narrow notch 33 is matched with the outer diameter of the vertical section, facilitating the horizontal movement of the U-shaped bolt 35, the bottom end of the support circular table 36 is larger than the top end in diameter, and the outer edge of the bottom of the support circular table 36 is matched with the inner diameter of the wide through hole 34, so that the support circular table 36 can pass through the wide through hole 34 and will not fall out of the narrow notch 33;

[0032] As shown in Figure 1 and Figure 2 , the application sets the support plate 311, the narrow notch 33, the wide through hole 34, and the support circular table 36 on the U-shaped bolt 35, during installation, the U-shaped bolt 35 and the support circular table 36 can be stretched out upward from the wide through hole 34, then the U-shaped bolt 35 is moved into the narrow notch 33, the temporary placement of the U-shaped bolt 35 is realized by the contact between the bottom end of the support circular table 36 and the top end of the support plate 311, facilitating the user to insert the base plate 37 and the nut, and improving the convenience of installation; in addition, the track strip 21, the mounting column 2, and the C-shaped slide plate 31 are also provided, so that the C-shaped slide plate 31 moves along the track strip 21.

[0033] In some embodiments, a connecting arc plate 32 is arranged between the two C-shaped slide plates 31, the inner surface of the connecting arc plate 32 is matched with the outer surface of the bottom of the mounting column 2, as shown in Figure 4 , facilitating the stable and synchronous movement of the two C-shaped slide plates 31, and avoiding the problem that the C-shaped slide plate 31 is out of position, causing the U-shaped bolt 35 to be unable to be installed with the base plate 37.

[0034] In some embodiments, two mounting assemblies 3 are provided, one base plate 37 is provided with a laser radar 5, and the other base plate 37 is provided with a camera 6, the output ends of the laser radar 5 and the camera 6 are electrically connected with the input end of the monitoring server, as shown in Figure 1 and Figure 2 , the image shooting and analysis by the camera 6 and the rapid positioning and height measurement of the train by the laser radar 5 improve the accuracy of detection, and avoid the information error or deviation caused by the single way of collecting information due to unexpected circumstances.

[0035] In some embodiments, a standby monitoring assembly 4 is arranged at the bottom end of the connecting arc plate 32, and the standby monitoring assembly 4 is used for detecting the train exceeding the height limit, as shown in Figure 3As shown, on the basis of the existing train image shooting, the monitoring assembly 4 is added to the equipment to improve the accuracy of judging whether the train is over-limit.

[0036] In some embodiments, the standby monitoring assembly 4 includes a first vertical plate 41 and a second vertical plate 42 arranged along a first direction at the bottom end of the connecting arc-shaped plate 32, the first vertical plate 41 is provided with a pressure sensor 43 near the end of the second vertical plate 42, the output end of the pressure sensor 43 is electrically connected with the input end of the monitoring server, the bottom end of the second vertical plate 42 is provided with a mounting groove 44, the bottom of the mounting groove 44 is rotatably connected with a swing bar 45, the extension direction of the rotating shaft of the swing bar 45 is a second direction, the swing bar 45 extends away from the connecting arc-shaped plate 32, and the top of the swing bar 45 is provided with a rubber strip 46 near the end of the first vertical plate 41.

[0037] As shown in Figure 3 and Figure 4 When the train exceeds the height limit, the excess part will push the swing bar 45, which in turn drives the rubber strip 46 to swing, and the rubber strip 46 squeezes the pressure sensor 43, and the pressure sensor 43 transmits signals to the monitoring server, which can effectively judge that the train exceeds the height limit. Compared with analyzing the photographed image, the accuracy of physical contact is higher, which can improve the accuracy of train over-limit judgment on the basis of the camera 6 and the laser radar 5, and under the action of gravity, the swing bar 45 and the rubber strip 46 will reset and will not interfere with the next use. In addition, the rubber strip 46 will not crush the pressure sensor 43, ensuring the long-term use of the pressure sensor 43.

[0038] In some embodiments, the outer surface of the connecting arc-shaped plate 32 is provided with a compensation arc-shaped rubber pad 39 at both ends along the second direction, and the outer surface of the compensation arc-shaped rubber pad 39 is matched with the outer surface of the arc-shaped segment of the U-shaped bolt 35. Figure 2 Figure 5 As shown in and

[0039] By abutting the U-shaped bolt 35 and the compensation arc-shaped rubber pad 39, the stability of the U-shaped bolt 35 after installation is improved, and the loosening caused by the shaking of the U-shaped bolt 35 is avoided. Figure 2 Figure 5 As shown in and

[0040] In some embodiments, the top end of the C-shaped sliding plate 31 is provided with a locking screw hole 312, the locking screw hole 312 is internally threadedly connected with a locking bolt, and the bottom end of the locking bolt abuts against the top surface of the track strip 21. Figure 2 Figure 5 ​As shown, after the C-shaped slide plate 31 is adjusted, it is fixed, so that the locking bolt and the rail 21 have high static friction resistance, and the stability of the C-shaped slide plate 31, the connecting arc-shaped plate 32, the base plate 37 and other related components is improved.

[0041] In the description of the present specification, the terms "connection", "mounting", "fixing" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. 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.

[0042] In the description of the present specification, the terms "one embodiment", "some embodiments" and the like mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A monitoring device for railway bridge protection, which is arranged on the crossbeam (1) of a height limiter, characterized in that, The installation column (2) is provided with track strips (21) at both ends in the first direction, and the extension direction of the middle part of the installation column (2) and the extension direction of the track strips (21) are both the second direction; a plurality of installation assemblies (3) are arranged on the installation column (2) in the second direction, and each installation assembly (3) comprises: The support part comprises two C-shaped sliding plates (31) respectively clamped on the two track strips (21), the distal ends of the C-shaped sliding plates (31) are provided with support plates (311), the top ends of the support plates (311) are provided with two wide through holes (34) arranged in the second direction, and narrow notches (33) are formed in the inner walls of the wide through holes (34) and extend towards the second direction. The locking part comprises two U-shaped bolts (35), a base plate (37) sleeved on the top of the two U-shaped bolts (35), and nuts threadedly connected to the vertical sections of the U-shaped bolts (35), each U-shaped bolt (35) comprises two vertical sections and an arc-shaped section, the two vertical sections of the same U-shaped bolt (35) penetrate the narrow notches (33) at the same end of the two support plates (311) respectively, a support circular table (36) is sleeved on the middle part of each vertical section, the width of the narrow notch (33) is matched with the outer diameter of the vertical section, the bottom end of the support circular table (36) has a larger circular diameter than the top end, and the outer edge of the bottom of the support circular table (36) is matched with the inner diameter of the wide through hole (34).

2. The monitoring device for railway bridge protection according to claim 1, characterized in that, A connecting arc-shaped plate (32) is arranged between the two C-shaped sliding plates (31), and the inner surface of the connecting arc-shaped plate (32) is matched with the outer surface of the bottom of the installation column (2).

3. The monitoring device for railway bridge protection according to claim 2, characterized in that, A standby monitoring assembly (4) is arranged at the bottom end of the connecting arc-shaped plate (32), and the standby monitoring assembly (4) is used for detecting that a train exceeds the height limit.

4. The monitoring device for railway bridge protection according to claim 3, characterized in that, The standby monitoring assembly (4) comprises a first vertical plate (41) and a second vertical plate (42) arranged at the bottom end of the connecting arc-shaped plate (32) in the first direction, a pressure sensor (43) is arranged at the end of the first vertical plate (41) close to the second vertical plate (42), the output end of the pressure sensor (43) is electrically connected with the input end of a monitoring server, an installation groove (44) is arranged at the bottom end of the second vertical plate (42), a swing strip (45) is rotatably connected to the bottom of the installation groove (44), the rotation axis of the swing strip (45) extends in the second direction, the swing strip (45) extends away from the connecting arc-shaped plate (32), and a rubber strip (46) is arranged at the top of the swing strip (45) close to the end of the first vertical plate (41).

5. The monitoring device for railway bridge protection according to claim 2, characterized in that, The outer surface of the connecting arc-shaped plate (32) is provided with a compensation arc-shaped rubber pad (39) at both ends in the second direction, and the outer surface of the compensation arc-shaped rubber pad (39) is matched with the outer surface of the arc-shaped section of the U-shaped bolt (35).

6. The monitoring device for railway bridge protection according to claim 5, characterized in that, An avoiding notch (310) is formed at the position corresponding to the wide through hole (34) at the top end of the compensation arc-shaped rubber pad (39).

7. The monitoring device for railway bridge protection according to claim 1, characterized in that, The mounting assembly (3) is provided with two, one of the substrates (37) is provided with a laser radar (5), and the other substrate (37) is provided with a camera (6), and the output ends of the laser radar (5) and the camera (6) are electrically connected with the input end of the monitoring server.

8. The monitoring device for railway bridge protection according to claim 1, characterized in that, The C-shaped slide plate (31) is provided with a locking screw hole (312) penetrating through the middle of the top end, and a locking bolt is threadedly connected in the locking screw hole (312), and the bottom end of the locking bolt abuts against the top surface of the track strip (21).