Road bridge collapse early warning structure and system

Abstract

The utility model discloses a road and bridge collapse early warning structure and system, and relates to the technical field of geological disaster early warning. The early warning structure comprises a follow-up part and a touch part, one end of the follow-up part is fixedly provided with a fastener, and the touch part is also fixedly provided with a fastener; the touch part comprises a trigger mechanism, a signal transmission device and a box body; the early warning system comprises a plurality of the road and bridge collapse early warning structures and further comprises a road surface, a plurality of grooves are formed in the road surface, and the early warning structures are arranged in the grooves. According to the utility model, the plurality of fixed bodies are connected through the plurality of connecting bodies, so that the length or the length of the follow-up part formed by the plurality of fixed bodies and the plurality of connecting bodies can be adjusted, and the follow-up part can be suitable for wide or narrow roads; the follow-up part is laid in the groove formed in the surface of the road, and compared with an early warning structure pre-buried in a roadbed, the road early warning device can be used for a built road and can also be applied to a bridge for early warning and monitoring.

Description

Technical Field

[0001] The utility model relates to the technical field of geological disaster early warning, in particular to a road and bridge collapse early warning structure and system. Background Art

[0002] Due to differences in construction quality and geological environment, uneven settlement often occurs, causing road collapse. Therefore, timely detection of these phenomena and early warning are of great significance to reducing the losses caused by disasters to the people.

[0003] Reference is made to the authorized announcement number "CN108049328B" which discloses a highway collapse warning device and its warning method, which records that it includes a mounting tube embedded in the roadbed, a bottom plate is installed at the bottom of the mounting tube, and eight circularly distributed collapse-directing baffles are installed on the circumference of the bottom plate. The collapse-directing baffles are rotatably installed on the bottom plate, a middle plate is installed in the middle of the mounting tube, the middle plate is located at the top plate of the collapse-directing baffle, a top plate is installed on the top of the mounting tube, a wire spring reel is installed at the bottom of the top plate, the top of the collapse-directing baffle is connected to the wire spring reel through a wire and a pulley, an encoder is also installed on the top plate, a contact wheel is installed on the encoder, the contact wheel is in contact with the wire, and the encoder is connected to a PLC control system set on the ground; the present invention is widely used for highway collapse warning.

[0004] During the implementation of this patent, the applicant discovered the following technical problems:

[0005] Collapses often occur on roads that have been in use for a period of time. These collapses are caused by changes in the geological environment, and roads vary in width. It is difficult and cumbersome to implement comprehensive monitoring by pre-buried installation pipes within the roadbed. Furthermore, the aforementioned patents are mostly targeted at roads, but collapses can also occur on bridges. Therefore, finding a solution that can be applied to both roads and bridges is a technical problem that those skilled in the art urgently need to address. Therefore, a road and bridge collapse warning structure and system is needed to address these issues and provide a new technical solution. Utility Model Content

[0006] Based on this, a road and bridge collapse early warning structure and system are provided to solve the following technical problems raised in the background technology: only by increasing the number of pre-buried devices can comprehensive early warning monitoring of wide and narrow roads be carried out. In addition, the pre-buried method is limited to use only on roads, and is difficult to apply when early warning monitoring of bridges is required.

[0007] The utility model adopts the following technical solutions:

[0008] A road bridge collapse early warning structure includes an early warning structure, and the early warning structure also includes:

[0009] a following part, which is composed of a plurality of fixed bodies and a plurality of connecting bodies, the plurality of connecting bodies being staggered between the plurality of fixed bodies to form the following part, wherein the plurality of connecting bodies each comprise a clamping portion and a plug-in portion located on both sides of the fixed body;

[0010] a triggering mechanism and a signal transmission device, the triggering mechanism being connected with one of the fixed bodies located at the end of the following part, and the signal transmission device being configured to transmit a warning signal according to the triggering mechanism; and

[0011] at least two groups of fasteners, one of the groups of fasteners being connected with one of the fixed bodies located at the other end of the following part, and the other group of fasteners being connected on the triggering mechanism.

[0012] As a preferred embodiment of the road bridge collapse early warning structure, the plurality of fixed bodies each comprise an outer shell and a counterweight, the outer shell being hollowed along a first direction, and the counterweight being fixed inside the outer shell.

[0013] The triggering mechanism is connected with one side of the outer shell located at the end.

[0014] The clamping portion and the plug-in portion are connected on both sides of the outer shell.

[0015] One of the groups of fasteners is connected with one side of the outer shell located at the end through a belt.

[0016] As a preferred embodiment of the road bridge collapse early warning structure, the clamping portion comprises two elastic walls, two limiting protrusions, two pressing plates and a first base body, the first base body being rotatably connected on one side of the fixed body, the two elastic walls being integrally connected on the first base body in a relative manner along a second direction, the two limiting protrusions being integrally connected on the end portions of the two elastic walls respectively, so that a retention cavity is formed between the two elastic walls and the two limiting protrusions, and the two pressing plates are connected with the other elastic wall through one of the elastic walls respectively, so that the elastic walls are opened along the second direction through the pressing plates.

[0017] The plug-in portion comprises a second base body, a positioning protrusion, a plug-in protrusion and two anti-dropping plates, the second base body being rotatably connected on the other side of the outer shell, the second base body, the positioning protrusion and the plug-in protrusion being integrally connected in sequence, and the two anti-dropping plates being fixed on the two end portions of the plug-in protrusion respectively, the plug-in protrusion being capable of entering the retention cavity.

[0018] As a preferred embodiment of the road bridge collapse early warning structure provided by the present invention, the trigger mechanism includes a circuit breaker, a pull belt and multiple sets of guide shafts, one end of the pull belt is fixed to the switch of the circuit breaker, and the other end of the pull belt passes around the multiple sets of guide shafts and is fixed to one side of the outer shell at the end.

[0019] As a preferred embodiment of the road and bridge collapse early warning structure provided by the utility model, the trigger part also includes a box, a power supply and a GPS module. The trigger mechanism, signal transmission device, power supply and GPS module are all located in the box, and the signal circuit breaker, signal transmission device and power supply are connected in series in sequence.

[0020] As a preferred embodiment of the road and bridge collapse warning structure provided by the utility model, a positioning pin is detachably connected to the box body, and the positioning pin is detachably connected to the drawstring through a through hole opened on the drawstring.

[0021] The road bridge collapse warning system provided by the present invention includes the road bridge collapse warning structure described in any one of the above items, and further includes:

[0022] an acquisition module, configured to receive warning signals from one or more of the warning structures;

[0023] A processing module, which is used to record the warning signal and dispatch the coordinate information that triggers the warning signal;

[0024] A generation module is used to determine the collapsed road section according to the coordinate information and generate early warning prompt information;

[0025] The sending module is used to send the early warning information to the user end in the collapsed road section area.

[0026] As a preferred embodiment of the road and bridge collapse early warning structure and system provided by the utility model, it also includes a road surface, on which a plurality of grooves inclined or flush with the length direction of the road surface are opened, and a plurality of the early warning structures are arranged in the plurality of grooves.

[0027] The utility model provides a road bridge collapse early warning structure and system, wherein a plurality of fixed bodies are connected by a plurality of connectors to adjust the length of a follower part composed of the plurality of fixed bodies and the plurality of connectors, thereby being applicable to roads of varying widths or narrownesses.

[0028] The utility model provides a road and bridge collapse early warning structure and system, which is laid in a groove opened on the road surface through a follower part. Compared with the early warning structure pre-buried in the roadbed, it can not only be used on built roads, but also be applied to bridges for early warning monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the solutions in the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a schematic diagram of the overall structure of a road and bridge collapse early warning structure provided by the utility model;

[0031] Figure 2 A schematic structural diagram of a fixed body of a road and bridge collapse early warning structure provided by the utility model;

[0032] Figure 3 A schematic diagram of the overall structure of a connector of a road and bridge collapse warning structure provided by the utility model;

[0033] Figure 4 The utility model provides a road bridge collapse early warning structure for Figure 3 Schematic diagram of the structure shown from a cross-sectional view of the middle connector;

[0034] Figure 5 The utility model provides a road bridge collapse early warning structure for Figure 3 A schematic structural diagram of the separation of the engaging portion and the plug-in portion of the middle connector;

[0035] Figure 6 A schematic structural diagram of the trigger portion of a road and bridge collapse warning structure provided by the utility model;

[0036] Figure 7 A schematic diagram of the structure of a trigger mechanism of a road and bridge collapse early warning structure provided by the utility model;

[0037] Figure 8 A schematic diagram of the process structure of a road and bridge collapse early warning system provided by the utility model;

[0038] Figure 9 This is a structural diagram of a road and bridge collapse early warning structure and some system components provided by the utility model that are connected in series and wirelessly.

[0039] Figure 10 A schematic diagram of how multiple warning structures are arranged on the road surface in a road bridge collapse warning system provided by the utility model

[0040] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0041] 100. Warning structure; 101. Fixed body; 102. Connecting body; 103. Engaging part; 104. Plug-in part; 105. Trigger mechanism; 106. Signal transmission device; 107. Fastener; 108. Outer shell; 109. Counterweight; 110. Elastic wall; 111. Limiting protrusion; 112. Pressing plate; 113. Retention cavity; 114. Second base; 115. Positioning protrusion; 116. Plug-in protrusion; 117. Anti-slip plate; 118. Circuit breaker; 119. Pull belt; 120. Guide shaft; 121. Box; 122. Positioning pin; 123. Power supply; 124. GPS module; 125. First base; 200. Acquisition module; 300. Processing module; 400. Generation module; 500. Sending module; 600. Road surface. DETAILED DESCRIPTION

[0042] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0043] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0044] like Figure 1 As shown, the road bridge collapse warning structure 100 includes a follower portion and a trigger portion. The follower portion falls as the road collapses, transmitting a certain physical pulling force to the trigger portion. Driven by the pulling force, the trigger portion sends a warning signal to the outside world indicating that a certain section of the road where the warning structure 100 is deployed has collapsed.

[0045] Furthermore, the following part is composed of a plurality of fixed bodies 101 and a plurality of connecting bodies 102. Specifically, a plurality of connecting bodies 102 are staggered between the plurality of fixed bodies 101 to form the following part. By increasing or decreasing the number of fixed bodies 101 and connecting bodies 102, the length of the following part can be lengthened or shortened. In this way, as the length of the following part is adjustable, it is possible to monitor the collapse of a wide or narrow road.

[0046] A set of fasteners 107 is fixed to one end of the follower part, and a set of fasteners 107 is also fixed to the touch part. The fasteners 107 are preferably expansion bolts, and the number is one or more, including but not limited to. One end of the follower part is fixed by the fasteners 107, and the touch part is fixed by the fasteners 107, thereby indirectly confining the touch part to the road. Since the touch part includes a trigger mechanism 105 (see below), and the end of the touch part that is not fixed is connected to the trigger mechanism 105, when the road collapses, the touch part moves downward following the collapse, thereby generating a physical pulling force on the trigger mechanism 105.

[0047] like Figure 2 and Figure 3 As shown, each of the plurality of fixed bodies 101 includes an outer shell 108 and a counterweight 109. The outer shell 108 is hollowed out along a first direction (in the width direction or height direction thereof), and the counterweight 109 is fixed inside the outer shell 108. The counterweight 109 increases the weight of the fixed body 101, so that the fixed body 101 located on the road is not easily affected by factors other than collapse (such as wind and vibrations generated by vehicles traveling on the road) that may cause large-scale movement.

[0048] The plurality of connectors 102 each include a snap-fit ​​portion 103 and a plug-in portion 104 located on both sides of the fixed body 101 of the outer shell 108. By placing the plug-in portion 104 on one fixed body 101 on the snap-fit ​​portion 103 on another fixed body 101, the two fixed bodies 101 are adjacently connected together under the cooperation of the plug-in portion 104 and the snap-fit ​​portion 103 to form a follower portion. The length of the follower portion can be adjusted by increasing or decreasing the number of the plug-in portion 104 and the snap-fit ​​portion 103.

[0049] Furthermore, the engaging portion 103 and the plug-in portion 104 are both rotatably connected to both sides of the outer shell 108. When collapse occurs, the engaging portion 103 and the plug-in portion 104 will both rotate downward and fall into the pothole formed by the collapse and cause pulling on the trigger mechanism 105 (see below) of the touch portion. In particular, based on the pothole formed by the collapse, the engaging portion 103 and the plug-in portion 104 on both sides of the outer shell 108 corresponding to the pothole will rotate downward at the maximum rotation angle without road support and fall into the pothole, thereby making the following portion such as a rope body fall in an arc shape, and making the following portion have a certain degree of flexibility and can fit on a flat or uneven road or a bridge with a certain curvature.

[0050] like Figure 4 and Figure 5 And refer to Figure 3As shown, the engaging portion 103 includes two elastic walls 110, two limiting protrusions 111, two pressing plates 112 and a first base 125. The first base 125 is rotatably connected to one side of the fixed body 101. The two elastic walls 110 are integrally connected to the first base 125 along the second direction (the direction perpendicular to the height of the outer shell 108). The two limiting protrusions 111 are respectively integrally connected to the ends of the two elastic walls 110 to form a retention cavity 113 between the two elastic walls 110 and the two limiting protrusions 111. The two pressing plates 112 respectively penetrate one of the elastic walls 110 and are connected to the other elastic wall 110, so that the elastic wall 110 is opened along the second direction through the pressing plate 112.

[0051] The plug-in portion 104 includes a second base 114, a positioning protrusion 115, a plug-in protrusion 116 and two anti-slip plates 117. The second base 114 is rotatably connected to the other side of the outer shell 108. The second base 114, the positioning protrusion 115 and the plug-in protrusion 116 are connected as a whole in sequence. The two anti-slip plates 117 are respectively fixed at the two ends of the plug-in protrusion 116, and the plug-in protrusion 116 can enter the retention cavity 113.

[0052] When connecting, grasp the engaging portion 103 and the plugging portion 104 as a whole that can rotate on the outer shell 108 respectively, and then align the plugging protrusion 116 on the plugging portion 104 with the opening formed between the two limiting protrusions 111 on the engaging portion 103. Furthermore, since the limiting protrusion 111 and the plugging protrusion 116 both have matching inclined surfaces, specifically, the limiting protrusion 111 is provided with an inclined surface, and the inclined surfaces of the two limiting protrusions 111 are reflected on the two elastic walls 110 as being opposite to each other, and the opening is located between the inclined surfaces of the two limiting protrusions 111, and the plugging protrusion 116 is provided with two inclined surfaces, and the two inclined surfaces of the plugging protrusion 116 correspond to the inclined surfaces of the two limiting protrusions 111, and since the maximum diameter of the plugging protrusion 116 is larger than the diameter of the opening, the limiting protrusion 111 can be connected to the plugging protrusion 116 by the limiting protrusion 111. When the protrusion 111 enters the opening, it will slide and cut the expansion limiting protrusion 111 until the maximum diameter of the plug-in protrusion 116 passes through the opening. Then the limiting protrusion 111 is elastically reset by the elastic wall 110 without expansion force, so that the plug-in protrusion 116 enters the retention cavity 113 formed between the two elastic walls 110 and the two limiting protrusions 111. When the plug-in protrusion 116 is located in the retention cavity 113, the positioning protrusion 115 contacts the two limiting protrusions 111 to prevent the plug-in protrusion 116 from further moving in the retention cavity 113 in the connection direction. At the same time, the anti-slip plates 117 at both ends of the plug-in protrusion 116 are located on both sides of the retention cavity 113 to limit the plug-in protrusion 116 from escaping from the retention cavity 113 in the width direction of the connector 102, so as to firmly connect the two fixed bodies 101.

[0053] When disconnecting, in some embodiments, a pulling force is manually applied to one or both of the elastic walls 110, and the opening is expanded to a diameter larger than the maximum diameter of the plug-in protrusion 116 by pulling to disengage and disconnect. However, in this embodiment, it is preferred to provide an expansion pulling force to the elastic wall 110 with the help of a pressing plate 112. Specifically, the two pressing plates 112 that leak out of the elastic wall 110 are pressed inward at the same time. Since the two pressing plates 112 are staggered and connected to the other elastic wall 110, the inward pressing force of the pressing plate 112 will cause the two elastic walls 110 to expand to one side respectively, and the plug-in protrusion 116 will be removed from the retention cavity 113, thereby disconnecting the two fixed bodies 101.

[0054] like Figure 6 As shown, the trigger part includes a trigger mechanism 105, a signal transmission device 106, a box 121, a power supply 123 and a GPS module 124. Specifically, the front and rear sides of the box 121 are connected to fasteners 107, and a partition is integrally connected inside. The trigger mechanism 105 is located above the partition and passes through the partition and the box 121 to be connected to the fixed body 101 located at the other end of the follower part. Since the box 121 is fixed by the fastener 107, the follower part will not drive the box 121 when it collapses and moves, but will drive the trigger mechanism 105 inside the box 121 to start and stop, and the start and stop of the trigger mechanism 105 is used to trigger the signal transmission device 106 to start or stop signal transmission; the power supply 123 and the GPS module 124 are fixed in the internal area of ​​the box 121 under the partition, and the power supply 123 supplies power to part of the trigger mechanism 105 and the signal transmission device 106.

[0055] like Figure 7 Shown and referenced Figure 9 The trigger mechanism 105 includes a circuit breaker 118, a pull belt 119 and multiple sets of guide shafts 120. One end of the pull belt 119 is fixed to the switch of the circuit breaker 118, and the other end of the pull belt 119 is fixed to one side of the outer shell 108 at the end by passing through the multiple sets of guide shafts 120. When the trigger part falls, the pull belt 119 will be pulled by the fixed body 101 at the end, and the pull belt 119 will pull the switch of the circuit breaker 118 under the guidance of the multiple sets of guide shafts 120, so that the circuit breaker 118 cuts off or opens the circuit connecting the signal transmission device 106 and the power supply 123. The signal transmission device 106 serves as a warning by connecting current to transmit signals wirelessly normally, or the signal transmission device 106 serves as a warning by disconnecting current and not transmitting signals wirelessly normally.

[0056] Furthermore, a positioning pin 122 is detachably connected to the box body 121, and the positioning pin 122 is detachably connected to the pull strap 119 through a through hole opened on the pull strap 119. The pull strap 119 is locked by the positioning pin 122 to avoid triggering the circuit breaker 118 by the pull strap 119 during installation. After installation, the positioning pin 122 is removed so that the pull strap 119 is affected by the movement of the follower part to trigger the circuit breaker 118.

[0057] like Figure 8 As shown, the road and bridge collapse warning system includes several road and bridge collapse warning structures 100 as described above, and further includes:

[0058] An acquisition module 200 is configured to receive an early warning signal from one or more of the early warning structures 100. Specifically, in this embodiment, the signal transmission device 106 preferably transmits a signal wirelessly by receiving an electric current to provide an early warning, and the signal transmission device 106 is configured to drive the operation of its internal electronic components and circuits through the electric current, thereby generating and transmitting a wireless signal. The acquisition module 200 is wirelessly connected to the signal transmission device 106 via a preselected channel to obtain the early warning signal from the early warning structure 100.

[0059] The processing module 300 is used to record the warning signal and dispatch the coordinate information of the triggering warning signal. It can be understood that the warning signal is a wireless signal, and the wireless signal is configured to be accompanied by a data code, and the data code corresponds to the coordinate information provided by the GPS module 124. The coordinate information of the plurality of warning structures 100 is stored in the processing module 300 and can be called by the processing module 300.

[0060] The generation module 400 is used to determine the collapsed road section based on the coordinate information and generate early warning prompt information; specifically, the data encoding of the warning signal is obtained to retrieve the coordinate information provided by the GPS module 124 corresponding to the data encoding, and finally the source location of the warning information is determined through the coordinate information of the generation module 400, and at the same time, text and / or image warning prompt information is generated.

[0061] The sending module 500 is used to send warning information to the user end in the collapsed road section area. Specifically, the text and / or image warning information is transmitted to the user end through the operator base station. The user end can be a mobile phone end, TV end, computer end or broadcast end, so that people in the collapsed road section area can be informed.

[0062] like Figure 9As shown, the circuit breaker 118, the signal transmission device 106 and the power supply 123 are connected in series in sequence, wherein QF is the circuit breaker 118; V is the power supply 123; I / O is the signal transmission device 106; ANT is the antenna; the series circuit is opened or closed by triggering the switch of the circuit breaker 118; the signal transmission device 106 is in a powered state, and the electronic components and circuits inside it operate to generate a wireless signal, which is transmitted within the channel through the antenna until it is captured and received by the acquisition module 200.

[0063] like Figure 10 As shown, it also includes a road surface 600, which is provided with a plurality of grooves, and a plurality of early warning structures 100 are arranged in the grooves. Compared with the early warning structure 100 pre-buried in the roadbed, it can be used not only on the built roads, but also on bridges for early warning monitoring.

[0064] In some embodiments, the groove is opened on the road surface 600 at an inclined angle so that the early warning structures 100 arranged in the groove form a plurality of Figure 10 The structure shown is preferably suitable for urban roads;

[0065] In some embodiments, the groove is opened on one side flush with the length direction of the road surface 600 (not shown in the figure but understandable). This layout structure is preferably suitable for bridges. When laid out on a bridge, the early warning structure 100 is one, and the head and tail ends of the early warning structure 100 are located at the connection point between the bridge and the road.

[0066] In some embodiments, the layout of the warning structures 100 on the road surface 600 can be determined according to actual applications, for example, they can be arranged on the road surface 600 in a ladder shape.

[0067] In some embodiments, the follower part of the warning structure 100 can be fixed in a groove of the road surface 600, and a barrier is installed in the groove to block the groove to prevent other impurities from entering the groove. The height of the barrier is set flush with the road surface 600.

Claims

1. A road bridge collapse early warning structure, comprising an early warning structure (100), characterized in that: The early warning structure (100) further includes: The following part is composed of a plurality of fixed bodies (101) and a plurality of connecting bodies (102), wherein the plurality of connecting bodies (102) are staggered between the plurality of fixed bodies (101) to form the following part, wherein the plurality of connecting bodies (102) each include a clamping portion (103) and an inserting portion (104) located on both sides of the fixed body (101); The triggering part includes a trigger mechanism (105) and a signal transmission device (106), wherein the trigger mechanism (105) is connected to one of the fixed bodies (101) located at the end of the follower part, and the signal transmission device (106) is configured to transmit an early warning signal according to the trigger mechanism (105); and At least two groups of fasteners (107), one group of fasteners (107) is connected to a fixed body (101) located at the other end of the follower part, and the other group of fasteners (107) is connected to the trigger part.

2. The road and bridge collapse early warning structure according to claim 1, characterized in that: Several of the fixed bodies (101) include an outer shell (108) and a counterweight body (109), wherein the outer shell (108) is hollowed out along a first direction, and the counterweight body (109) is fixed inside the outer shell (108); The trigger mechanism is connected to one side of the outer shell (108) at the end; The engaging portion (103) and the plug-in portion (104) are connected to two sides of the outer shell (108); One group of the fasteners (107) is connected to one side of the outer shell (108) at the end through a belt body.

3. The road and bridge collapse early warning structure according to claim 2, characterized in that: The engaging portion (103) comprises two elastic walls (110), two limiting protrusions (111), two pressing plates (112) and a first base (125), wherein the first base (125) is rotatably connected to one side of the fixed body (101), the two elastic walls (110) are integrally connected to the first base (125) in a relative manner along the second direction, the two limiting protrusions (111) are respectively integrally connected to the ends of the two elastic walls (110), so that a retention cavity (113) is formed between the two elastic walls (110) and the two limiting protrusions (111), and the two pressing plates (112) respectively penetrate one of the elastic walls (110) and are connected to the other elastic wall (110), so that the elastic wall (110) is opened along the second direction through the pressing plate (112); The plug-in portion (104) includes a second base (114), a positioning protrusion (115), a plug-in protrusion (116) and two anti-slip plates (117). The second base (114) is rotatably connected to the other side of the outer shell (108). The second base (114), the positioning protrusion (115) and the plug-in protrusion (116) are connected as a whole in sequence. The two anti-slip plates (117) are respectively fixed to the two ends of the plug-in protrusion (116). The plug-in protrusion (116) can enter the retention cavity (113).

4. The road and bridge collapse early warning structure according to claim 2, characterized in that: The trigger mechanism (105) includes a circuit breaker (118), a pull belt (119) and multiple sets of guide shafts (120). One end of the pull belt (119) is fixed to the switch of the circuit breaker (118), and the other end of the pull belt (119) passes around the multiple sets of guide shafts (120) and is fixed to one side of the outer shell (108) located at the end.

5. The road and bridge collapse early warning structure according to claim 4, characterized in that: The triggering part further comprises a box (121), a power supply (123) and a GPS module (124); the triggering mechanism (105), the signal transmission device (106), the power supply (123) and the GPS module (124) are all located in the box (121); and the signal circuit breaker (118), the signal transmission device (106) and the power supply (123) are sequentially connected in series.

6. The road and bridge collapse early warning structure according to claim 5, characterized in that: A positioning pin (122) is detachably connected to the box body (121), and the positioning pin (122) is detachably connected to the drawstring (119) via a through hole provided on the drawstring (119).

7. A road bridge collapse warning system, comprising a plurality of warning structures (100) according to any one of claims 1 to 6, characterized in that: Also includes: an acquisition module (200) for receiving warning signals from one or more warning structures (100); A processing module (300) is used to record the warning signal and dispatch the coordinate information that triggers the warning signal; A generation module (400) is used to determine the collapsed road section according to the coordinate information and generate early warning prompt information; The sending module (500) is used to send the warning prompt information to the user terminal in the collapsed road section area.

8. The road and bridge collapse early warning system according to claim 7, characterized in that: It also includes a road surface (600), wherein the road surface (600) is provided with a plurality of grooves that are inclined or flush with the length direction of the road surface (600), and a plurality of the early warning structures (100) are arranged in the plurality of grooves.

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