Culvert cover plate reinforcing and protecting device

By designing a reinforced protective device for culvert cover plates, including a support fixing mechanism and a cover plate casting and forming mechanism, the problem of highway culvert cover plates being difficult to trough in the rock layer and being unable to splice, achieving improvements in the stability and construction convenience of the cover plates.

CN223033870UActive Publication Date: 2025-06-27ROAD & BRIDGE INT CO LTD +1
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Patent Information

Application Number
CN202422225093.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-06-27
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The existing highway culvert covers are difficult to trough when encountering rock layers, cannot be spliced ​​and lack reinforced protective structures, resulting in high construction difficulty and low cover stability.

Method used

A culvert cover reinforcement protection device is designed, including a support fixing mechanism and a cover pouring shaping mechanism. The support fixing mechanism fixes the support frame to the inner wall of the culvert through a threaded sleeve and a first threaded rod, and the support plate and the cover plate casting and shaping mechanism are supported to avoid opening the reserved groove in advance. The cover plate casting setting mechanism realizes the splicing of the cover plate through the sliding groove and slider design.

Benefits of technology

It effectively solves the problem of difficult troughing of rock layers, realizes splicing of culvert covers, and improves the stability of the covers and the convenience of construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a culvert cover plate reinforcing and protecting device, which belongs to the technical field of pavement construction and comprises a supporting and fixing mechanism and a cover plate pouring and shaping mechanism. The supporting and fixing mechanism comprises a supporting plate, a supporting frame fixedly arranged at the bottom end of the supporting plate, a first threaded hole formed in the side wall, close to the inner wall of the culvert, of the supporting frame, a threaded sleeve fixed to the inner wall of the culvert, and a first threaded rod with the end penetrating through the first threaded hole and connected with the threaded sleeve through threads. The cover plate pouring and shaping mechanism comprises a fixing frame with the bottom end fixed to the top end of the supporting plate, a reinforcing plate with the two ends fixed to the inner side wall of the fixing frame, a reinforcing column longitudinally penetrating through the reinforcing plate and clamping and fixing mechanisms arranged at the two ends, located on the outer side of the fixing frame, of the reinforcing column. The two opposite outer side walls of the fixing frame are provided with sliding grooves and sliding blocks matched with the sliding grooves respectively. By means of the cover plate, the problems that in the prior art, a cover plate is large in grooving difficulty when encountering a rock layer, splicing cannot be achieved, and a reinforcing protection structure does not exist can be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pavement construction, and more specifically, to a reinforcing and protecting device for culvert covers. Background Art

[0002] Highway culverts are water or pedestrian passages that cross under the highway. In rainy seasons or areas with flowing water, they help drain the road surface water to ensure the normal passage of the highway. In some special sections, they provide passages for surrounding residents or small vehicles to cross the highway to meet their travel needs. A culvert includes a culvert cover.

[0003] The highway culvert cover is a plate-shaped member placed at the top opening of the culvert, which has a load-bearing capacity and a protective function. It can bear the weight of the vehicles driving on the highway, prevent garbage from accumulating in the culvert and affecting drainage, or prevent the internal corrosion and damage of the culvert caused by long-term intrusion of rainwater.

[0004] Currently, the highway culvert covers used in construction are flat structures cast from steel bars and concrete. Before construction, it is necessary to pre-open reserved grooves on both sides of the top of the culvert body. When encountering a rock culvert body, the grooving is difficult, the culvert covers cannot be spliced, there is no reinforcement structure, the construction difficulty is large, and the stability of the culvert covers is reduced. Summary of the Utility Model

[0005] In view of the above problems, the purpose of the utility model is to provide a reinforcing and protecting device for culvert covers to solve the problems in the prior art that it is difficult to groove when the cover encounters a rock layer, cannot be spliced, and there is no reinforcement and protection structure.

[0006] The reinforcing and protecting device for culvert covers provided by the utility model includes a support and fixation mechanism and a cover casting and shaping mechanism; wherein,

[0007] The support and fixation mechanism includes a support plate, a support frame fixedly arranged around the bottom end of the support plate, a first threaded hole arranged on the side wall of the support frame close to the inner wall of the culvert, a threaded sleeve fixed on the inner wall of the culvert, and a first threaded rod whose end passes through the first threaded hole and is threadedly connected to the threaded sleeve;

[0008] The cover casting and shaping mechanism includes a fixing frame fixedly arranged at the top end of the support plate, reinforcing plates fixedly arranged at both ends on two opposite inner side walls of the fixing frame, reinforcing columns longitudinally passing through the reinforcing plates and slidably passing through both ends of the fixing frame at both ends respectively, and clamping and fixing mechanisms arranged at both ends of the reinforcing columns located outside the fixing frame;

[0009] Chute grooves are respectively arranged on two opposite outer side walls of the fixing frame, and sliding blocks matching the chute grooves are arranged.

[0010] In addition, a preferred structure is that the support frame is a triangular prism structure with both ends open and horizontally arranged. One right-angled surface of the support frame is fixed to the bottom end of the support plate, and the other right-angled surface is close to the inner wall of the culvert. A triangular beam is fixedly arranged on the inner side wall of the support frame in close contact with the inner side wall of the support frame.

[0011] In addition, a preferred structure is that a rubber pad is arranged on the outer side wall of the support frame close to the inner wall of the culvert, and a second threaded hole is opened in the rubber pad, and the first threaded rod passes through the second threaded hole.

[0012] In addition, a preferred structure is that a first positioning plate is arranged on the outer side wall of the support frame far from the inner wall of the culvert. First bolts are threadedly connected to the outer periphery of the first positioning plate. The first positioning plate is threadedly connected to the support frame through the first bolts, and a lighting lamp is fixedly connected to the outer side surface of the first positioning plate.

[0013] In addition, a preferred structure is that a second positioning plate is arranged in the middle of the bottom end of the support plate. At least two second bolts are threadedly connected to the inside of the second positioning plate. The second positioning plate is threadedly connected to the support plate through the second bolts. An alarm is arranged on one side of the bottom end of the support plate where the second positioning plate is located.

[0014] A button electrically connected to the alarm is fixedly connected to the middle of the bottom end of the second positioning plate. A barrel sleeve is fixedly connected to the bottom of the second positioning plate. The top end of the barrel sleeve is sleeved on the outer periphery of the button. A float is slidably connected to the inside of the barrel sleeve, and the top end of the float corresponds to the position of the button.

[0015] In addition, a preferred structure is that the number of the reinforcement plates is at least two; the reinforcement plates are fixedly arranged in the fixed frame at equal intervals.

[0016] In addition, a preferred structure is that the number of the reinforcement columns is at least two.

[0017] In addition, a preferred structure is that the clamping and fixing mechanism includes a clamping ring slidably sleeved on the outer side of the end of the reinforcement column; a second threaded rod is threadedly connected to the top end of the clamping ring.

[0018] In addition, a preferred structure is that T-shaped stress blocks are fixedly arranged on the outer walls at both ends of the fixed frame; a lifting ring is rotatably connected to the T-shaped stress block.

[0019] In addition, a preferred structure is that a nut is fixedly connected to the end of the first threaded rod, and a cross groove is opened at the top end of the nut; the first threaded rod is fixedly connected to the support frame through the nut.

[0020] As can be seen from the above technical solution, for the culvert cover reinforcement and protection device provided by the present utility model, through the structural design of the support and fixation mechanism, the threaded sleeve is fixed on the two side walls inside the culvert according to the pre-determined position, and then the outer side of the support frame is fixed on the inner side wall of the culvert through the first threaded rod. The support frame supports the support plate and the cover pouring and shaping mechanism. There is no need to pre-open reserved grooves on both sides of the top of the culvert body before construction, effectively solving the problem of difficult grooving when encountering a rock culvert body in the prior art; by respectively opening a chute and a slider matching the chute on two opposite outer side walls of the fixed frame, multiple cover pouring and shaping mechanisms can be spliced to realize the splicing of the culvert cover, effectively solving the problem of the influence of the over-wide road surface on the stability of the highway culvert cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By referring to the following description in conjunction with the drawings, and with a more comprehensive understanding of the present utility model, other objects and results of the present utility model will become more apparent and easier to understand.

[0022] Figure 1 FIG. is a schematic structural diagram of the culvert cover reinforcement and protection device according to an embodiment of the present utility model;

[0023] Figure 2 FIG. is a side view of the culvert cover reinforcement and protection device according to an embodiment of the present utility model;

[0024] Figure 3 is Figure 2 an enlarged view of part A in

[0025] Figure 4 FIG. is an end side view of the culvert cover reinforcement and protection device according to an embodiment of the present utility model;

[0026] Figure 5 FIG. is an exploded schematic diagram of the support frame according to an embodiment of the present utility model;

[0027] Figure 6 FIG. is a schematic structural diagram of the T-shaped force-bearing block and the lifting ring according to an embodiment of the present utility model;

[0028] Figure 7 FIG. is an exploded structural schematic diagram of the cover pouring and shaping mechanism according to an embodiment of the present utility model.

[0029] In the drawings, 11 - support plate, 12 - support frame, 13 - first threaded hole, 14 - threaded sleeve, 15 - first threaded rod, 151 - nut, 152 - cross groove, 21 - fixed frame, 22 - reinforcement plate, 23 - reinforcement column, 24 - chute, 25 - slider, 3 - triangular beam, 4 - rubber pad, 41 - second threaded hole, 51 - first positioning plate, 52 - first bolt, 53 - lighting lamp, 61 - second positioning plate, 62 - second bolt, 63 - alarm, 64 - button, 65 - barrel sleeve, 66 - float, 71 - clamping ring, 72 - second threaded rod, 81 - T-shaped force-receiving block, 82 - lifting ring.

[0030] In all the drawings, the same reference numerals indicate similar or corresponding features or functions. Detailed implementation manners

[0031] In view of the problems mentioned above, in the prior art, the cover plate has difficulties in grooving when encountering rock layers, cannot be spliced, and has no reinforcement and protection structure. A reinforcement and protection device for culvert cover plates is proposed.

[0032] The following will describe in detail the specific embodiments of the present invention with reference to the drawings.

[0033] To illustrate the reinforcement and protection device for culvert cover plates provided by the present invention, Figure 1 shows the structure of the reinforcement and protection device for culvert cover plates according to an embodiment of the present invention; Figure 2 shows the side structure of the reinforcement and protection device for culvert cover plates according to an embodiment of the present invention; Figure 3 shows Figure 2 the enlarged structure of part A in Figure 4 shows the end-side structure of the reinforcement and protection device for culvert cover plates according to an embodiment of the present invention; Figure 5 shows the disassembled structure of the support frame according to an embodiment of the present invention; Figure 6 shows the structure of the T-shaped force-receiving block and the lifting ring according to an embodiment of the present invention; Figure 7 shows the disassembled structure of the cover plate pouring and shaping mechanism according to an embodiment of the present invention.

[0034] As Figures 1 to 7 collectively shown, the reinforcement and protection device for culvert cover plates provided by the present invention includes a support and fixation mechanism and a cover plate pouring and shaping mechanism; wherein,

[0035] The support and fixation mechanism includes a support plate 11, a support frame 12 fixedly arranged around the bottom end of the support plate 11, a first threaded hole 13 arranged on the side wall of the support frame 12 close to the inner wall of the culvert, a threaded sleeve 14 fixed on the inner wall of the culvert, and a first threaded rod 15 whose end passes through the first threaded hole 13 and is threadedly connected to the threaded sleeve 14;

[0036] The cover plate pouring and shaping mechanism includes a fixed frame 21 with its bottom end fixed to the top end of the support plate 11, reinforcing plates 22 with both ends fixed to two opposite inner side walls of the fixed frame 21, a reinforcing column 23 longitudinally passing through the reinforcing plates 22 and with both ends respectively sliding through the two end walls of the fixed frame 21, and clamping and fixing mechanisms arranged at both ends of the reinforcing column 23 outside the fixed frame 21;

[0037] Chute grooves 24 are respectively formed on two opposite outer side walls of the fixed frame 21, and sliders 25 matching the chute grooves 24 are provided.

[0038] Through the structural design of the support and fixing mechanism, the threaded sleeve 14 is fixed on the two side walls inside the culvert according to a predetermined position, and then the outside of the support frame 12 is fixed to the inner side wall of the culvert through the first threaded rod 15. The support frame 12 supports the support plate 11 and the cover plate pouring and shaping mechanism. There is no need to pre-open reserved grooves on both sides of the top of the culvert body before construction, effectively solving the problem of difficult grooving when encountering a rock culvert body in the prior art; by respectively forming chute grooves 24 and sliders 25 matching the chute grooves 24 on two opposite outer side walls of the fixed frame 21, multiple cover plate pouring and shaping mechanisms can be spliced to realize the splicing of the culvert cover plates, effectively solving the problem of the influence of the over-wide road surface on the stability of the highway culvert cover plates.

[0039] Among them, the fixed frame 21 can be fixed to the top end of the support plate 11 by welding or bolts, etc., and the present utility model does not make special limitations on this.

[0040] As a preferred embodiment of the present utility model, the support frame 12 is a triangular prism structure with both ends open and horizontally arranged. One right-angled surface of the support frame 12 is fixed to the bottom end of the support plate 11, and the other right-angled surface is close to the inner wall of the culvert; a triangular beam 3 is fixedly arranged on the inner side wall of the support frame 12 in the support frame 12.

[0041] Specifically, the outside of the support frame 12 is fixed to the inner wall of the culvert by using the first threaded rod 15. The top of the support frame 12 can be fixedly connected to the support plate 11 by bolts or welding, etc. The triangular beam 3 is fixed inside the support frame 12, thereby improving the supporting force of the support frame 12 and playing a strong protective role for the highway culvert cover plate.

[0042] As a preferred embodiment of the present utility model, a rubber pad 4 is arranged on the outer side wall of the support frame 12 close to the inner wall of the culvert, and a second threaded hole 41 is formed in the rubber pad 4. The first threaded rod 15 passes through the second threaded hole 41.

[0043] Specifically, multiple second threaded holes 41, first threaded holes 13, and threaded sleeves 14 are provided, and the numbers of the second threaded holes 41, first threaded holes 13, and threaded sleeves 14 are preferably equal. The specific numbers can be determined according to actual needs, and their positions correspond one by one. Through the structural design of the rubber pad 4, the friction between the support frame 12 and the inner wall of the culvert is increased, facilitating the fixing of the support frame 12 on the inner wall of the culvert and protecting the side wall of the support frame 12.

[0044] The installation method of the support and fixing mechanism on the culvert is as follows: First, determine the horizontal position of the threaded sleeve 14, install the threaded sleeve 14 in the culvert wall on both sides of the support frame 12. The first threaded rods 15 respectively penetrate through the corresponding first threaded holes 13 and second threaded holes 41, threadedly connect and fix the rubber pad 4 to the support frame 12, move the support frame 12 towards the threaded sleeve 14 side, and threadedly connect the first threaded rods 15 with the threaded sleeve 14 to fix the side of the support frame 12 close to the inner wall of the culvert on the inner wall of the culvert. The top end of the support frame 12 is fixedly connected to the support plate 11, and the triangular beam 3 is fixedly connected to the inner wall of the support frame 12 to enhance the structural stability.

[0045] As a preferred solution of the present utility model, a first positioning plate 51 is provided on the outer side wall of the support frame 12 away from the inner wall of the culvert. First bolts 52 are threadedly connected around the outer wall of the first positioning plate 51. The first positioning plate 51 is threadedly connected to the support frame 12 through the first bolts 52, and a lighting lamp 53 is fixedly connected to the outer side surface of the first positioning plate 51. The lighting lamp 53 facilitates the installation operation of the support and fixing mechanism.

[0046] As a preferred solution of the present utility model, a second positioning plate 61 is provided in the middle of the bottom end of the support plate 11. At least two second bolts 62 are threadedly connected inside the second positioning plate 61. The second positioning plate 61 is threadedly connected to the support plate 11 through the second bolts 62; an alarm 63 is provided on one side of the bottom end of the support plate 11 where the second positioning plate 61 is located; a button 64 electrically connected to the alarm 63 is fixedly connected to the middle of the bottom end of the second positioning plate 61. A barrel sleeve 65 is fixedly connected to the bottom of the second positioning plate 61. The top end of the barrel sleeve 65 is sleeved on the outer periphery of the button 64, and a floating float 66 is slidably connected inside the barrel sleeve 65. The top end of the floating float 66 corresponds to the position of the button 64.

[0047] Specifically, the second positioning plate 61 is threadedly connected to the bottom of the support plate 11 through the second bolt 62, facilitating the disassembly of the second positioning plate 61. The upper end inside the barrel sleeve 65 covers the button 64 and is fixedly connected to the bottom of the second positioning plate 61. The float 66 is inserted into the barrel sleeve 65, and the alarm 63 is fixed to the bottom of the support plate 11. When the water level rises, the float 66 moves upward. When the water level rises to the set value, the top of the float 66 touches the button 64, and the alarm 63 emits an alarm, indicating that the water level has risen to the dangerous range.

[0048] As a preferred solution of the present utility model, the number of the reinforcing plates 22 is at least two; the reinforcing plates 22 are fixedly arranged inside the fixed frame 21 at equal intervals.

[0049] As a preferred solution of the present utility model, the number of the reinforcing columns 23 is at least two.

[0050] It should be noted that: the numbers of the reinforcing plates 22 and the reinforcing columns 23 in the present utility model can be determined according to actual needs, and the present utility model does not make special limitations thereto.

[0051] As a preferred solution of the present utility model, the clamping and fixing mechanism includes a clamping ring 71 slidably sleeved on the outer side of the end of the reinforcing column 23; a second threaded rod 72 is threadedly connected to the top end of the clamping ring 71.

[0052] Specifically, during the installation of the cover plate pouring and shaping mechanism, the support plate 11 is fixed to the bottom end of the fixed frame 21. Then, the reinforcing plates 22 are inserted into the inner cavity of the fixed frame 21 at equal distances, and both ends of the reinforcing plates 22 are vertically fixed to the fixed frame 21. After that, the reinforcing columns 23 are inserted from the outer wall of the fixed frame 21 to ensure that they can slide smoothly between the frame walls. At the same time, the outer wall of the reinforcing column 23 slides through multiple reinforcing plates 23. When encountering a wider road, the slider 25 on the second fixed frame can be inserted into the chute 24 on the first fixed frame, which can make the connection of the two culvert cover plates more firm; when encountering rock layers on both sides, the second threaded rod 72 can be loosened to slide the reinforcing column 23 left and right. When the appropriate position is adjusted, the clamping ring 71 is pressed against the fixed frame 21, and then the second threaded rod 72 is tightened to fix the reinforcing column 23.

[0053] As a preferred solution of the present utility model, T-shaped stress blocks 81 are respectively fixedly arranged on the outer walls at both ends of the fixed frame 21; a lifting ring 82 is rotatably connected to the T-shaped stress block 81.

[0054] Specifically, when it is necessary to lift the fixed frame 21, the rope can be tied to the lifting rings 82 at both ends of the fixed frame 21, which is convenient for the crane to lift the fixed frame 21.

[0055] As a preferred embodiment of the present utility model, a nut 151 is fixedly connected to the end of the first threaded rod 15, and a cross groove 152 is opened at the top of the nut 151; the first threaded rod 15 is fixedly connected to the support frame 12 through the nut 151.

[0056] Specifically, when fixing the support frame 12 on the inner wall of the culvert through the first threaded rod 15, rotate the nut 151 of the first threaded rod 15 with the cross groove 152, thereby driving the first threaded rod 15 to rotate, so that the first threaded rod 15 is threadedly connected to the threaded sleeve 14.

[0057] The working principle of the present utility model is as follows: Before using the device, first determine the position of the threaded sleeve 14 in the inner wall of the culvert, and then drive multiple threaded sleeves 14 into the wall. Fix the support frame 12 and the rubber pad 4 through the corresponding first threaded rod 15 by threaded connection. The first threaded rod 15 is threadedly connected to the threaded sleeve 14 to fix the support frame 12 and the rubber pad 4 on the inner wall of the culvert. Fix the first positioning plate 51 on the outside of the support frame 12 through the first bolt 52, fix the triangular beam 3 on the inner wall of the support frame 12, and then fixedly connect the top of the support frame 12 to the support plate 11 to enhance the support for the upper cover plate.

[0058] Pass the rope through the lifting rings 82 on the outer sides of both ends of the fixed frame 21, lift the fixed frame 21 and align it with the support plate 11, fix the fixed frame 21 on the support plate 11, and then vertically fix both ends of multiple reinforcing plates 22 inside the fixed frame 21 in sequence. Slide the reinforcing column 23 through the fixed frame 21 and multiple reinforcing plates 22, and respectively put the clamping rings 71 on the ends of the reinforcing column 23. After sliding the reinforcing column 23 to an appropriate position, tighten the second threaded rod 72 on the clamping ring 71 to fix the reinforcing column 23. When encountering a wider road surface, slide and connect the slider 25 on the second fixed frame to the chute 24 on the first fixed frame, and then concrete pouring can be carried out.

[0059] It can be seen from the above specific implementation manners that the culvert cover plate reinforcement and protection device provided by the present utility model, through the structural design of the support and fixation mechanism, fixes the threaded sleeves on the two side walls inside the culvert according to the pre-determined positions, and then fixes the outside of the support frame on the inner wall of the culvert through the first threaded rod. The support frame supports the support plate and the cover plate pouring and shaping mechanism. There is no need to pre-open reserved slots on both sides of the top of the culvert body before construction, effectively solving the problem of difficult slotting when encountering a rock culvert body in the prior art; by respectively opening a chute and a slider matching the chute on two opposite outer side walls of the fixed frame, multiple cover plate pouring and shaping mechanisms can be spliced to realize the splicing of the culvert cover plate, effectively solving the problem of the influence of the width of the road surface on the stability of the highway culvert cover plate.

[0060] The culvert cover reinforcement and protection device proposed according to the present utility model has been described by way of example with reference to the accompanying drawings. However, those skilled in the art should understand that various improvements can be made to the above-mentioned culvert cover reinforcement and protection device proposed by the present utility model without departing from the content of the present utility model. Therefore, the protection scope of the present utility model should be determined by the content of the appended claims.

Claims

1. A culvert cover reinforcement protection device, characterized in that: It includes a supporting and fixing mechanism and a cover plate casting and shaping mechanism; wherein, The support and fixing mechanism comprises a support plate, a support frame fixed around the bottom end of the support plate, a first threaded hole arranged on the side wall of the support frame close to the inner wall of the culvert, a threaded sleeve fixed on the inner wall of the culvert, and a first threaded rod with an end passing through the first threaded hole and connected to the threaded sleeve by threading; The cover plate casting and shaping mechanism comprises a fixing frame whose bottom end is fixed to the top of the support plate, a reinforcing plate whose two ends are fixed to two opposite inner side walls of the fixing frame, a reinforcing column which longitudinally passes through the reinforcing plate and whose two ends are respectively slidably arranged on the two end walls of the fixing frame, and a clamping and fixing mechanism arranged at the two ends of the reinforcing column located outside the fixing frame; A sliding groove and a sliding block matching the sliding groove are respectively provided on two opposite outer side walls of the fixing frame.

2. The culvert cover reinforcement and protection device according to claim 1 is characterized in that: The support frame is a triangular prism structure with two ends open and arranged transversely, one right-angled surface of the support frame is fixed to the bottom end of the support plate, and the other right-angled surface is close to the inner wall of the culvert; A triangular beam is fixedly arranged on the inner side wall of the support frame which is in close contact with the support frame.

3. The culvert cover reinforcement and protection device according to claim 1, characterized in that: A rubber pad is arranged on the outer side wall of the support frame close to the inner wall of the culvert, a second threaded hole is opened on the rubber pad, and the first threaded rod passes through the second threaded hole.

4. The culvert cover reinforcement and protection device according to claim 1, characterized in that: A first positioning plate is arranged on the outer wall of the support frame away from the inner wall of the culvert, and first bolts are threadedly connected around the outer wall of the first positioning plate. The first positioning plate is threadedly connected to the support frame through the first bolts, and a lighting lamp is fixedly connected to the outer surface of the first positioning plate.

5. The culvert cover reinforcement and protection device according to claim 1, characterized in that: A second positioning plate is provided at the middle of the bottom end of the support plate, at least two second bolts are connected to the inner thread of the second positioning plate, and the second positioning plate is threadedly connected to the support plate through the second bolts; an alarm is provided at one side of the second positioning plate at the bottom end of the support plate; A button electrically connected to the alarm is fixedly connected to the middle of the bottom end of the second positioning plate, and a sleeve is fixedly connected to the bottom of the second positioning plate. The top end of the sleeve is sleeved on the outer periphery of the button, and a float is slidably connected to the inside of the sleeve, and the top end of the float corresponds to the position of the button.

6. The culvert cover reinforcement and protection device according to claim 1, characterized in that: The number of the reinforcement plates is at least two; The reinforcement plates are fixed inside the fixing frame at equal intervals.

7. The culvert cover reinforcement and protection device according to claim 1, characterized in that: The number of the reinforcement columns is at least two.

8. The culvert cover reinforcement and protection device according to claim 1, characterized in that: The clamping and fixing mechanism comprises a clamping ring slidably sleeved on the outer side of the end of the reinforcement column; A second threaded rod is threadedly connected to the top end of the clamping ring.

9. The culvert cover reinforcement and protection device according to claim 1, characterized in that: T-shaped force-bearing blocks are respectively fixedly provided on the outer walls at both ends of the fixing frame; A lifting ring is rotatably connected to the T-shaped force-bearing block.

10. The culvert cover reinforcement and protection device according to claim 1, characterized in that: A nut is fixedly connected to the end of the first threaded rod, and a cross slot is provided at the top of the nut; the first threaded rod is fixedly connected to the support frame through the nut.