Highway roadbed slope antiskid device

Abstract

The utility model relates to the technical field of civil engineering, in particular to a highway subgrade slope anti-skid device which comprises a bottom plate, a first rotating plate fixedly connected to the top end of the left side of the bottom plate, a fixing shaft rotatably connected to the interior of the first rotating plate, a second rotating plate rotatably connected to the outer side of the fixing shaft, and a slope plate fixedly connected to the top of the second rotating plate. A limiting sliding plate is slidably connected into the slope plate, an inner plate is fixedly connected to the top of the limiting sliding plate, and a first through hole is formed in the slope plate; through design cooperation of the inner plate and the second fixing nails, the longitudinal height of the side slope plate making contact with the side slope can be increased, the device can adapt to changes of different gradients and terrains, a more flexible protection scheme is provided, the extending inner plate can increase the contact area of the side slope plate and the side slope, and therefore the stability of the whole structure is improved, and the service life of the device is prolonged. And soil and stones sliding from the upper part are more effectively blocked, and the damage of landslide and debris flow to the highway subgrade is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering technical field especially relates to a highway subgrade slope antiskid device. BACKGROUND

[0002] The highway subgrade slope refers to the inclined surface formed on the both sides or one side of the subgrade in highway construction to support the pavement and ensure its stability.

[0003] The patent specification with the publication number CN217078796U discloses a highway subgrade slope antiskid device, which comprises a fixed plate, a one-way screw rod connected to the top end of the fixed plate through a bearing, a rocker fixedly connected to the top end of the one-way screw rod, a pressing plate hingedly connected to one end of the fixed plate, an adjusting assembly provided on the outer wall of the one-way screw rod and used to adjust the angle of the pressing plate, a movable plate slidingly matched with the pressing plate and provided in the pressing plate, and a positioning assembly provided on the outer wall of the pressing plate and used to limit the movable plate.

[0004] However, in the implementation of the related technology, the above-mentioned highway subgrade slope antiskid device has the following problems: in the existing highway subgrade slope protection technology, the L-shaped foldable slope antiskid plate is a commonly used protection device, but the height of the traditional antiskid plate is fixed, which may not effectively block the large-scale soil and stone sliding in some cases, especially in areas with high slope height or frequent soil and stone flow activities, and the existing antiskid plate usually has a fixed height, which limits their adaptability to different slope gradients and terrain changes, and cannot provide the optimal protection scheme for various slope conditions, therefore, a highway subgrade slope antiskid device is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the defects in the prior art and provides a highway subgrade slope antiskid device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a highway roadbed slope anti -skidding device, including the bottom plate, the bottom plate left side top fixedly connected with first rotating plate, the first rotating plate inside rotation is connected with fixed shaft, the fixed shaft outside rotation is connected with second rotating plate, the second rotating plate top fixedly connected with the slope board, the limit slide of the slope board inside slide connection, the limit slide top fixedly connected with the inner plate, the first through -hole of the slope board inside is set up, the second through -hole is set up in the inner plate, the first fixed nail of the bottom plate inside slide connection has, the first through -hole in the slope board interior slide connection has the second fixed nail, the second fixed nail right side top outside rotation is connected with the limit ring, the limit ring inboard top fixedly connected with the connecting plate.

[0007] As further description of the above technical scheme: the first rotating plate inside and the second rotating plate outside rotation is connected, the slope board inside upper surface and the inner plate surface slide connection, the second through -hole inner wall in the inner plate and the second fixed nail slide connection, the inner plate of extension can increase the contact area of slope board and slope, thereby improve the stability of the overall structure, more effectively block the soil and stone falling from above, reduce the damage of landslide and debris flow to highway roadbed.

[0008] As further description of the above technical scheme: the slope board inside is set up with the groove, and the groove in the slope board inside transverse section shape size and the transverse section shape size of limit slide are matched, the through -going groove is set up in the slope board top, and the through -going groove and the groove in the slope board inside intercommunication, the through -going groove transverse section shape size and the inner plate transverse section shape size are matched, can let the inner plate slide in the slope board inside, and the inner plate cannot leave the slope board inside.

[0009] As further description of the above technical scheme: the first through -hole number position in the slope board inside and the second through -hole number position in the inner plate inside correspond, and the first through -hole and the second through -hole are all set up and are arranged longitudinally from front to back in the slope board and the inner plate, can let the second fixed nail be arranged longitudinally and be inserted into the slope board and the inner plate inside, realize the purpose of fixed.

[0010] As further description of the above technical scheme: the distance of the first fixed nail from front to back arrangement is twice the distance of the second fixed nail from front to back arrangement, and four of the first fixed nail are distributed at the four corner positions in the bottom plate, can let the bottom plate be fixed at the ground, avoid the situation that the bottom of the slope board is not fixed stably.

[0011] As a further description of the above technical solutions: the angle of the slope plate rotatable under the restriction of the fixed shaft is 180° from above to below the top end of the left side of the bottom plate, and the front-to-back length of the slope plate matches the front-to-back length of the bottom plate, which can adapt to changes in different slopes and terrains, and provide a more flexible protection scheme.

[0012] As a further description of the above technical solutions: the outer side of the top end of the right side of the second fixing nail is provided with an annular groove, and the width and depth of the annular groove match the thickness and wall thickness of the limiting ring, which can limit the second fixing nail arranged transversely and connected, and preferentially fix the second fixing nails at the top ends of both sides, and the remaining second fixing nails can be quickly inserted into the first through hole and fixed on the slope surface, which improves the installation efficiency to a certain extent.

[0013] The utility model has the advantages of:

[0014] The highway subgrade slope anti-skid device designed by the utility model prolongs the longitudinal height of the slope plate in contact with the slope through the design and cooperation of the inner plate and the second fixing nail, can adapt to changes in different slopes and terrains, provides a more flexible protection scheme, and the extended inner plate can increase the contact area of the slope plate and the slope, thereby improving the stability of the overall structure, more effectively blocking the falling soil and rock from above, reducing the damage of landslides and debris flow to the highway subgrade, and the right side top end of the second fixing nail penetrating the slope plate and the inner plate is provided with a limiting ring and a connecting plate on the outer side, which can limit the second fixing nail arranged transversely and connected, preferentially fix the second fixing nails at the top ends of both sides, and the remaining second fixing nails can be quickly inserted into the first through hole and fixed on the slope surface, which improves the installation efficiency to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a slope plate longitudinal section structure schematic view of the utility model;

[0017] Fig. 3 It is a whole structure schematic view of the utility model that rotates 180° transversely and then turns 90° longitudinally;

[0018] Fig. 4 It is a second fixing nail explosion structure schematic view of the utility model.

[0019] LEGEND:

[0020] 1, bottom plate; 2, first rotating plate; 3, fixed shaft; 4, slope plate; 5, first fixing nail; 6, first through hole; 7, inner plate; 8, second through hole; 9, second fixing nail; 10, connecting plate; 11, second rotating plate; 12, limiting slide plate; 13, limiting ring. DETAILED DESCRIPTION

[0021] With reference Figs. 1 to 4 The utility model provides a highway roadbed slope anti -skidding device, including bottom plate 1, the first rotating plate 2 of bottom plate 1 left side top end welding, the inside of first rotating plate 2 is fixed shaft 3 and is penetrated and rotates, the outside of fixed shaft 3 is penetrated the inside of second rotating plate 11, second rotating plate 11 top welding slope board 4, the inside of slope board 4 is inserted and slides by limiting slide 12, limiting slide 12 top welding inner plate 7, the first through -hole 6 of inside of slope board 4 is set up, the second through -hole 8 of inside of inner plate 7 is set up, the inside of bottom plate 1 is penetrated by first fixed nail 5, the first through -hole 6 in the inside of slope board 4 is penetrated by second fixed nail 9, the outside of second fixed nail 9 right side top end is covered and rotates by limiting ring 13, the inside top end of limiting ring 13 is welded with connecting plate 10, the inside of first rotating plate 2 is connected with the outside of second rotating plate 11 rotationally, the inside upper of slope board 4 and the surface of inner plate 7 are slidably connected, the second through -hole 8 inner wall of inside of inner plate 7 and second fixed nail 9 are slidably connected, and the contact area of slope board 4 and slope can be increased by the extended inner plate 7, thereby the stability of overall structure is improved, the soil and rock falling from above is more effectively blocked, and the damage of landslide and debris flow to highway roadbed is reduced.

[0022] As a further embodiment of the above technical solution: the inside of slope board 4 is provided with a groove, and the size and shape of the groove in the inside of slope board 4 match the size and shape of the transverse section of limiting slide 12, the top of slope board 4 is provided with a through groove, and the through groove is in communication with the groove in the inside of slope board 4, the size and shape of the transverse section of the through groove provided on the top of slope board 4 match the size and shape of the transverse section of inner plate 7, which allows the inner plate 7 to slide up and down in the inside of slope board 4, and the inner plate 7 cannot leave the inside of slope board 4.

[0023] As a further embodiment of the above technical solution: the number and position of the first through -hole 6 provided in the inside of slope board 4 correspond to the number and position of the second through -hole 8 provided in the inside of inner plate 7, and the first through -hole 6 and the second through -hole 8 are arranged longitudinally from front to back on slope board 4 and inner plate 7, which allows the second fixed nail 9 to be arranged longitudinally and inserted into the inside of slope board 4 and inner plate 7 to achieve the purpose of fixation.

[0024] As a further embodiment of the above technical solution: the distance between the first fixed nail 5 arranged from front to back is twice the distance between the second fixed nail 9 arranged from front to back, and four of the first fixed nails 5 are distributed at the four corner positions in the inside of bottom plate 1, which allows the bottom plate 1 to be fixed to the ground to avoid the instability of the bottom of slope board 4.

[0025] As a further implementation of the above technical solution: the slope plate 4 can rotate 180° from the top left side of the bottom plate 1 to the bottom under the restriction of the fixed shaft 3, and the front and rear length of the slope plate 4 matches the front and rear length of the bottom plate 1, which can adapt to different slopes and terrain changes and provide a more flexible protection solution.

[0026] As a further implementation of the above technical solution: an annular groove is provided on the outer side of the top right side of the second fixing nail 9, and the width and depth of the annular groove are matched with the thickness and wall thickness of the limiting ring 13. This can limit the second fixing nails 9 that are arranged horizontally, and prioritize the fixing of the second fixing nails 9 at the top two sides. The remaining second fixing nails 9 can be quickly inserted into the first through hole 6 and fixed on the slope surface, which improves the installation efficiency to a certain extent.

[0027] Working principle:

[0028] When using this invention, place the base plate 1 on the road surface adjacent to the slope. First, remove four first fixing nails 5 and insert them into the four corners inside the base plate 1. Then, evenly insert the remaining first fixing nails 5 into the base plate 1 and fix it to the ground. Next, push the slope plate 4 at the top left side of the base plate 1. The second rotating plate 11 at the bottom of the slope plate 4 rotates under the restriction of the first rotating plate 2 at the top left side of the base plate 1 and the internal fixing shaft 3. At this time, the slope plate 4 contacts the slope surface. If the height of the slope plate 4 is lower than the height of the slope, then... Pull the inner plate 7 inside the slope plate 4. The inner plate 7 moves upward under the restriction of the limiting slide plate 12. When the height of the inner plate 7 reaches the set requirement, observe whether the second through hole 8 inside the inner plate 7 is flush with the first through hole 6 inside the slope plate 4. If they are flush, insert the second fixing nail 9, which is connected to the limiting ring 13 and the connecting plate 10 in advance, from right to left on the right end face of the slope plate 4. Prioritize fixing the second fixing nail 9 at the top of both sides. The remaining second fixing nails 9 can be quickly inserted into the first through hole 6 and fixed to the slope surface. The installation is complete.

[0029] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A roadbed slope anti-skid device, comprising a base plate (1), characterized in that: The bottom plate (1) is fixedly connected to the top left side of the first rotating plate (2). The first rotating plate (2) is rotatably connected to the inside of the first rotating plate (2). The fixed shaft (3) is rotatably connected to the outside of the fixed shaft (3). The second rotating plate (11) is fixedly connected to the top of the second rotating plate (11). The slope plate (4) is slidably connected to the inside of the slope plate (4). The inner plate (7) is fixedly connected to the top of the limit plate (12). The slope plate (4) has a first through hole (6) inside. The inner plate (7) has a second through hole (8) inside. The bottom plate (1) is slidably connected to the inside of the first rotating plate (1). The second fixing nail (9) is slidably connected to the first through hole (6) inside the slope plate (4). The second fixing nail (9) is rotatably connected to the outside right side of the top of the second fixing nail (9). The inner top of the limit ring (13) is fixedly connected to the top of the inner side of the limit ring (13).

2. The anti-skid device for highway subgrade slope according to claim 1, characterized in that: The inner side of the first rotating plate (2) is rotatably connected to the outer side of the second rotating plate (11), the upper part of the slope plate (4) is slidably connected to the surface of the inner plate (7), and the inner wall of the second through hole (8) inside the inner plate (7) is slidably connected to the second fixing nail (9).

3. The anti-skid device for highway subgrade slope according to claim 1, characterized in that: The slope plate (4) has a groove inside, and the cross-sectional shape and size of the groove inside the slope plate (4) match the cross-sectional shape and size of the limiting slide plate (12). The top of the slope plate (4) has a through groove, and the through groove communicates with the groove inside the slope plate (4). The cross-sectional shape and size of the through groove on the top of the slope plate (4) match the cross-sectional shape and size of the inner plate (7).

4. The anti-skid device for highway subgrade slope according to claim 1, characterized in that: The number and position of the first through holes (6) inside the slope plate (4) correspond to the number and position of the second through holes (8) inside the inner plate (7), and the first through holes (6) and the second through holes (8) are arranged longitudinally from front to back on the slope plate (4) and the inner plate (7).

5. The anti-skid device for highway subgrade slope according to claim 1, characterized in that: The distance between the first fixing nail (5) arranged from front to back is twice the distance between the second fixing nail (9) arranged from front to back, and four of the first fixing nails (5) are distributed at the four corners inside the base plate (1).

6. The anti-skid device for highway subgrade slope according to claim 1, characterized in that: The slope plate (4) can rotate 180° from the top left side of the bottom plate (1) to the bottom side under the restriction of the fixed shaft (3), and the front and rear lengths of the slope plate (4) match the front and rear lengths of the bottom plate (1).

7. The anti-skid device for highway subgrade slope according to claim 1, characterized in that: An annular groove is provided on the outer side of the top right side of the second fixing nail (9), and the width and depth of the annular groove are matched with the thickness and wall thickness of the limiting ring (13).

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