Roadbed edge protection device for highway construction

Abstract

The utility model discloses a roadbed edge protection device for highway construction, and relates to the technical field of roadbed edge protection for highway construction, the roadbed edge protection device comprises a bottom plate, a first vertical plate and a second vertical plate, the first vertical plate is hinged to the bottom plate, and a first groove is formed in the center of the bottom plate. A screw rod is rotated, so that the screw rod drives a moving block to move along a first groove path, then the moving block drives a connecting plate moving rod and a connecting plate to move along a sliding groove path under the action of a sliding block, then the connecting plate pushes a supporting rod, and the supporting rod pushes a first vertical plate to perform angle adjustment; and the sliding block is limited through the limiting assembly till the first vertical plate makes contact with the edge wall face of the roadbed, the first vertical plate is prevented from rotating, in order to make the first vertical plate better accord with the height of the edge wall face of the roadbed, the second vertical plate is installed on the first vertical plate through the splicing assembly, and the second vertical plate is supported and fixed through the supporting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of subgrade edge protection for highway construction, and specifically relates to a subgrade edge protection device for highway construction. Background Technique

[0002] During highway subgrade construction, it is easily damaged by mechanical equipment or workers, which in turn affects the construction speed of the highway and prolongs the construction time. Therefore, it is necessary to use a subgrade edge protection device to protect the subgrade edge;

[0003] For example, in the utility model patent with the name of a subgrade edge protection device for highway construction and the publication number of CN217378955U, a device is designed which includes a bottom plate. The front side of the top of the bottom plate is movably connected with a protection plate through a pin. An adjustment mechanism is installed on the rear side of the protection plate. The adjustment mechanism includes a movable block and a positioning plate. The surface of the movable block is movably connected with the inner wall of the bottom plate, and the front side of the positioning plate is fixedly connected with the bottom plate. A stretching mechanism is installed on the top of the protection plate. The stretching mechanism includes a protection shell. The bottom of the protection shell is movably connected with the protection plate. The front side of the inner cavity of the protection shell is movably connected with a stretching plate;

[0004] However, when the existing protection device is in use, after the stretching plate extends out from the protection plate, it cannot be effectively supported, which in turn causes the stretching plate to be unable to effectively support the subgrade edge, making the stretching plate prone to damage. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the utility model provides a subgrade edge protection device for highway construction, which solves the technical problem that when the existing protection device is in use, after the stretching plate extends out from the protection plate, it cannot be effectively supported, which in turn causes the stretching plate to be unable to effectively support the subgrade edge, making the stretching plate prone to damage.

[0006] To achieve the above object, the utility model is realized by the following technical solutions: A roadbed edge protection device for road construction, including a bottom plate, a first vertical plate and a second vertical plate. The first vertical plate is hinged to the bottom plate. A first groove is opened at the center of the bottom plate. A moving block is slidably installed in the first groove. A first threaded hole is opened on the moving block. A lead screw is rotatably installed between the two side wall surfaces of the first groove. One end of the lead screw penetrates through the first groove and is exposed outside the bottom plate. The moving block is meshed and connected with the lead screw through the first threaded hole. Chutes are respectively opened on both sides of the first groove on the bottom plate. Guide grooves are respectively opened on the two side wall surfaces of the chute. A slider is slidably installed in the chute. A connecting plate is fixedly installed between the slider and the upper wall surface of the moving block. A pair of support rods are hinged to the connecting plate. The upper ends of the support rods are hinged to the first vertical plate. A limiting component is arranged between the slider and the chute. A splicing component is arranged between the first vertical plate and the second vertical plate. A support component is arranged between the second vertical plate and the connecting plate.

[0007] Preferably, the limiting component includes a first cylinder body. An installation hole is opened on the slider on one side of the connecting plate. The first cylinder body is fixedly installed in the installation hole. Second cylinder bodies are fixedly installed on both sides of the slider. The first cylinder body communicates with the second cylinder bodies. The second cylinder bodies are slidably installed in the guide grooves. First guide grooves are respectively opened on the upper and lower wall surfaces of the second cylinder bodies. First guide blocks are slidably installed in the first guide grooves. A ejector rod is fixedly installed between the first guide blocks. One end of the ejector rod penetrates through the side wall surface of the second cylinder body. A baffle is fixedly installed on the ejector rod. A spring is fixedly installed between the baffle and the second cylinder body. The spring is sleeved on the ejector rod. The other end of the ejector rod is provided with an inclined slope. A first bolt is rotatably installed between the upper and lower wall surfaces of the first cylinder body. Second guide grooves are respectively opened on the front and rear wall surfaces of the first cylinder body. Second guide blocks are slidably installed in the second guide grooves. A top block is fixedly installed between the second guide blocks. A second threaded hole is opened on the top block. The top block is meshed and connected with the first bolt through the second threaded hole.

[0008] Preferably, the cross-sectional shape of the top block is an isosceles trapezoid structure, and the hypotenuse of the isosceles trapezoid structure of the top block matches the inclined slope at the other end of the ejector rod.

[0009] Preferably, the splicing component includes an insertion block. An opening is opened on the upper wall surface of the first vertical plate. A convex block is fixedly installed on the lower wall surface of the second vertical plate. The insertion blocks are fixedly installed on both side wall surfaces of the convex block. Slots are opened on both side wall surfaces of the opening. The second vertical plate is inserted into the opening through the convex block. The insertion blocks are inserted into the slots. A third threaded hole is opened on the side wall surface of the slot. A threaded groove is opened on the side wall surface of the insertion block. A screw is meshed and connected in the third threaded hole. The screw is meshed and connected in the threaded groove.

[0010] Preferably, the support assembly includes a pair of lower U-shaped seats and a pair of upper U-shaped seats. The pair of lower U-shaped seats are fixedly installed on the connecting plate. The second vertical plate is hinged to the hollow cylinder. An expansion rod is inserted into the hollow cylinder. Limiting rods are fixedly installed on the two side wall surfaces of the lower end of the expansion rod. The limiting rods are installed on the lower U-shaped seats. The upper U-shaped seats are covered on the lower U-shaped seats. A second bolt is connected between the lower U-shaped seats and the upper U-shaped seats. Notches are respectively formed on the two side wall surfaces of the lower end of the hollow cylinder. A seat tube clamp is fixedly installed at the lower end of the hollow cylinder. The seat tube clamp covers the notches.

[0011] Preferably, a plurality of ground nails are fixedly installed on the lower wall surface of the bottom plate.

[0012] Beneficial effects

[0013] The utility model provides a roadbed edge protection device for road construction, which solves the technical problem that when the existing protection device is in use, after the extension plate extends out from the protection plate, it cannot be effectively supported, and thus the extension plate cannot effectively support the roadbed edge, making the extension plate prone to damage. After placing the bottom plate on the horizontal plane, the screw rod is rotated, so that the screw rod drives the moving block to move along the path of the first groove, and then the moving block drives the connecting rod of the connecting plate. Under the action of the sliding block, the connecting plate moves along the path of the sliding groove, and then the connecting plate pushes the support rod, so that the support rod pushes the first vertical plate to adjust the angle until the first vertical plate contacts the wall surface of the roadbed edge. At this time, the sliding block is limited by the limiting component to prevent the first vertical plate from rotating. In order to make the first vertical plate more conform to the height of the wall surface of the roadbed edge, the second vertical plate is installed on the first vertical plate through the splicing component, and the second vertical plate is supported and fixed through the support component. Description of the drawings

[0014] Figure 1 It is the front view structural schematic diagram of a roadbed edge protection device for road construction described in the utility model.

[0015] Figure 2 It is the side view structural schematic diagram of a roadbed edge protection device for road construction described in the utility model.

[0016] Figure 3 It is the structural schematic diagram of the limiting component of a roadbed edge protection device for road construction described in the utility model.

[0017] Figure 4 It is the top view structural schematic diagram of the splicing component of a roadbed edge protection device for road construction described in the utility model.

[0018] In the figure: 1, bottom plate; 2, first vertical plate; 3, second vertical plate; 4, first groove; 5, moving block; 6, lead screw; 7, sliding groove; 8, guide groove; 9, slider; 10, connecting plate; 11, support rod; 12, first cylinder; 13, second cylinder; 14, ejector rod; 15, baffle; 16, spring; 17, first bolt; 18, top block; 19, insertion block; 20, opening; 21, convex block; 22, slot; 23, screw; 24, lower U-shaped seat; 25, upper U-shaped seat; 26, hollow cylinder; 27, telescopic rod; 28, limiting rod; 29, notch; 30, seat tube clamp. Specific implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides a technical solution: a subgrade edge protection device for highway construction, including a bottom plate 1, a first vertical plate 2 and a second vertical plate 3. The first vertical plate 2 is hinged to the bottom plate 1. A first groove 4 is opened at the center of the bottom plate 1. A moving block 5 is slidably installed in the first groove 4. A first threaded hole is opened on the moving block 5. A lead screw 6 is rotatably installed between the two side wall surfaces in the first groove 4. One end of the lead screw 6 penetrates through the first groove 4 and is exposed outside the bottom plate 1. The moving block 5 is meshed and connected with the lead screw 6 through the first threaded hole. Sliding grooves 7 are respectively opened on both sides of the bottom plate 1 and located on both sides of the first groove 4. Guide grooves 8 are respectively opened on the two side wall surfaces in the sliding grooves 7. A slider 9 is slidably installed in the sliding grooves 7. A connecting plate 10 is fixedly installed between the slider 9 and the upper wall surface of the moving block 5. A pair of support rods 11 are hinged to the connecting plate 10. The upper ends of the support rods 11 are hinged to the first vertical plate 2. A limiting component is arranged between the slider 9 and the sliding groove 7. A splicing component is arranged between the first vertical plate 2 and the second vertical plate 3. A support component is arranged between the second vertical plate 3 and the connecting plate 10;

[0021] After placing the bottom plate 1 on the horizontal plane, rotate the lead screw 6 so that the lead screw 6 drives the moving block 5 to move along the path of the first groove 4. Further, the moving block 5 drives the connecting plate 10 and the moving rod. Under the action of the slider 9, the connecting plate 10 moves along the path of the chute 7. Further, the connecting plate 10 pushes the support rod 11, so that the support rod 11 pushes the first vertical plate 2 for angle adjustment until the first vertical plate 2 contacts the roadbed edge wall surface. At this time, the slider 9 is limited by the limiting component to prevent the first vertical plate 2 from rotating. In order to make the first vertical plate 2 more conform to the height of the roadbed edge wall surface, the second vertical plate 3 is installed on the first vertical plate 2 through the splicing component, and the second vertical plate 3 is supported and fixed by the support component.

[0022] In this embodiment, it is further set that the limiting component includes a first cylinder body 12. An installation hole is opened on the slider 9 and on one side of the connecting plate 10. The first cylinder body 12 is fixedly installed in the installation hole. Second cylinder bodies 13 are fixedly installed on both sides of the slider 9. The first cylinder body 12 communicates with the second cylinder bodies 13. The second cylinder bodies 13 are slidably installed in the guide grooves 8. First guide grooves are respectively opened on the upper and lower wall surfaces of the second cylinder bodies 13. First guide blocks are slidably installed in the first guide grooves. A top rod 14 is fixedly installed between the first guide blocks. One end of the top rod 14 penetrates through the side wall surface of the second cylinder body 13. A baffle 15 is fixedly installed on the top rod 14. A spring 16 is fixedly installed between the baffle 15 and the second cylinder body 13. The spring 16 is sleeved on the top rod 14. An inclined slope is opened at the other end of the top rod 14. A first bolt 17 is rotatably installed between the upper and lower wall surfaces of the first cylinder body 12. Second guide grooves are respectively opened on the front and rear wall surfaces of the first cylinder body 12. Second guide blocks are slidably installed in the second guide grooves 8. A top block 18 is fixedly installed between the second guide blocks. A second threaded hole is opened on the top block 18. The top block 18 is meshed and connected with the first bolt 17 through the second threaded hole.

[0023] In this embodiment, it is further set that the cross-sectional shape of the top block 18 is an isosceles trapezoid structure, and the hypotenuse of the isosceles trapezoid structure of the top block 18 matches the inclined slope at the other end of the top rod 14;

[0024] Rotate the first bolt 17. The first bolt 17 has a driving effect on the top block 18. The top block 18 moves upward along the path of the second guide groove under the action of the second guide block. At this time, the top block 18 moves upward and pushes the top rod 14. The top rod 14 moves along the path of the first guide groove under the action of the first guide block. Further, one end of the top rod 14 moves out of the second cylinder body 13, and the top rod 14 contacts and presses against the wall surface of the guide groove 8, so that the slider 9 is limited.

[0025] In this embodiment, it is further set that the splicing component includes an insertion block 19. An opening 20 is formed on the upper wall surface of the first vertical plate 2. A convex block 21 is fixedly installed on the lower wall surface of the second vertical plate 3. The insertion block 19 is fixedly installed on the two side wall surfaces of the convex block 21. Slots 22 are formed on the two side wall surfaces inside the opening 20. The second vertical plate 3 is inserted into the opening 20 through the convex block 21, and the insertion block 19 is inserted into the slots 22. A third threaded hole is formed on the side wall surface of the slot 22, and a threaded groove is formed on the side wall surface of the insertion block 19. A screw 23 is engaged in the third threaded hole, and the screw 23 is engaged in the threaded groove;

[0026] Insert the second vertical plate 3 into the opening 20 on the first vertical plate 2 through the convex block 21, and make the insertion block 19 inserted into the slots 22. Screw the screw 23 into the third threaded hole and the threaded groove, so that the first vertical plate 2 and the second vertical plate 3 are spliced.

[0027] In this embodiment, it is further set that the support component includes a pair of lower U-shaped seats 24 and a pair of upper U-shaped seats 25. The pair of lower U-shaped seats 24 are fixedly installed on the connecting plate 10. The second vertical plate 3 is hinged to a hollow cylinder 26. A telescopic rod 27 is inserted into the hollow cylinder 26. Limiting rods 28 are respectively fixedly installed on the two side wall surfaces at the lower end of the telescopic rod 27. The limiting rods 28 are installed on the lower U-shaped seats 24. The upper U-shaped seats 25 are covered on the lower U-shaped seats 24. A second bolt is connected between the lower U-shaped seats 24 and the upper U-shaped seats 25. Notches 29 are respectively formed on the two side wall surfaces at the lower end of the hollow cylinder 26. A seat tube clamp 30 is fixedly installed at the lower end of the hollow cylinder 26. The seat tube clamp 30 covers the notches 29;

[0028] Pull the telescopic rod 27 to make the telescopic rod 27 move out of the hollow cylinder 26, so that the limiting rods 28 are in contact with the lower U-shaped seats 24. At this time, close the seat tube clamp 30, so that the wall surfaces of the hollow cylinder 26 on both sides of the notch 29 clamp and limit the telescopic rod 27. Buckle the upper U-shaped seat 25 on the lower U-shaped seat, and fix the upper U-shaped seat 25 and the lower U-shaped seat 24 through the second bolt.

[0029] In this embodiment, it is further set that a plurality of ground nails are fixedly installed on the lower wall surface of the bottom plate 1.

[0030] The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0031] Embodiment: As can be seen from the accompanying drawings of the specification, after placing the bottom plate 1 on a horizontal plane, rotate the lead screw 6 so that the lead screw 6 drives the moving block 5 to move along the path of the first groove 4, and further causes the moving block 5 to drive the connecting plate 10 and the moving rod. The connecting plate 10 moves along the path of the sliding groove 7 under the action of the slider 9, and further causes the connecting plate 10 to push the support rod 11, so that the support rod 11 pushes the first vertical plate 2 for angle adjustment until the first vertical plate 2 contacts the wall surface of the roadbed edge. Rotate the first bolt 17, and the first bolt 17 has a driving effect on the top block 18. The top block 18 moves upward along the path of the second guiding groove under the action of the second guiding block. At this time, the top block 18 moves upward and pushes the ejector rod 14. The ejector rod 14 moves along the path of the first guiding groove under the action of the first guiding block, and further causes one end of the ejector rod 14 to move out of the second cylinder 13 and makes the ejector rod 14 contact and press against the wall surface of the guiding groove 8, so that the slider 9 is limited. In order to make the first vertical plate 2 more conform to the height of the roadbed edge wall surface, insert the second vertical plate 3 into the opening 20 on the first vertical plate 2 through the convex block 21, and make the insert block 19 insert into the slot 22. Screw the screw 23 into the third threaded hole and the threaded groove, so that the first vertical plate 2 and the second vertical plate 3 are spliced. Pull the telescopic rod 27 so that the telescopic rod 27 moves out of the hollow cylinder 26, and further makes the limiting rod 28 contact the lower U-shaped seat 24. At this time, close the seat pipe clamp 30, and the wall surfaces of the hollow cylinder 26 on both sides of the notch 29 clamp and limit the telescopic rod 27. Buckle the upper U-shaped seat 25 on the lower U-shaped seat and fix the upper U-shaped seat 25 and the lower U-shaped seat 24 through the second bolt, so that the second vertical plate 3 is supported and fixed.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A roadbed edge protection device for highway construction, comprising a base plate (1), a first vertical plate (2) and a second vertical plate (3), characterized in that: The first vertical plate (2) is hingedly connected to the bottom plate (1), a first groove (4) is provided at the center of the bottom plate (1), a moving block (5) is slidably installed in the first groove (4), a first threaded hole is provided on the moving block (5), a screw rod (6) is rotatably installed between the two side walls in the first groove (4), one end of the screw rod (6) passes through the first groove (4) and is exposed on the bottom plate (1), the moving block (5) is meshed and connected with the screw rod (6) through the first threaded hole, and sliding grooves (7) are respectively provided on the bottom plate (1) and located on both sides of the first groove (4). Guide grooves (8) are respectively provided on the inner wall surfaces of both sides of the slide groove (7), a slider (9) is slidably installed in the slide groove (7), a connecting plate (10) is fixedly installed between the slider (9) and the upper wall surface of the moving block (5), a pair of support rods (11) are hingedly connected to the connecting plate (10), and the upper ends of the support rods (11) are hingedly connected to the first vertical plate (2), a limiting component is provided between the slider (9) and the slide groove (7), a splicing component is provided between the first vertical plate (2) and the second vertical plate (3), and a supporting component is provided between the second vertical plate (3) and the connecting plate (10).

2. A roadbed edge protection device for highway construction according to claim 1, characterized in that The limiting assembly comprises a first cylinder (12), a mounting hole is provided on the slider (9) and located on one side of the connecting plate (10), the first cylinder (12) is fixedly installed in the mounting hole, and second cylinders (13) are fixedly installed on both sides of the slider (9), the first cylinder (12) is communicated with the second cylinder (13), the second cylinder (13) is slidably installed in the guide groove (8), the upper and lower walls of the second cylinder (13) are respectively provided with first guide grooves, a first guide block is slidably installed in the first guide groove, a push rod (14) is fixedly installed between the first guide blocks, one end of the push rod (14) passes through the side wall of the second cylinder (13), and the push rod ( A baffle (15) is fixedly installed on the first cylinder (14), a spring (16) is fixedly installed between the baffle (15) and the second cylinder (13), the spring (16) is sleeved on the push rod (14), the other end of the push rod (14) is provided with an inclined surface, a first bolt (17) is rotatably installed between the upper and lower wall surfaces of the first cylinder (12), the front and rear wall surfaces of the first cylinder (12) are respectively provided with second guide grooves, a second guide block is slidably installed in the second guide groove, a push block (18) is fixedly installed between the second guide blocks, a second threaded hole is provided on the push block (18), and the push block (18) is meshed and connected with the first bolt (17) through the second threaded hole.

3. A roadbed edge protection device for highway construction according to claim 2, characterized in that The cross-sectional shape of the top block (18) is an isosceles trapezoidal structure, and the hypotenuse of the isosceles trapezoidal structure of the top block (18) matches the inclined surface of the other end of the top rod (14).

4. A roadbed edge protection device for highway construction according to claim 1, characterized in that The splicing assembly comprises an insert block (19), an opening (20) is provided on the upper wall surface of the first vertical plate (2), a protrusion (21) is fixedly installed on the lower wall surface of the second vertical plate (3), the insert block (19) is fixedly installed on the side wall surfaces of the protrusion (21), and the side wall surfaces of the opening (20) are provided with slots (22), the second vertical plate (3) is inserted into the opening (20) through the protrusion (21), the insert block (19) is inserted into the slot (22), a third threaded hole is provided on the side wall surface of the slot (22), a threaded groove is provided on the side wall surface of the insert block (19), a screw (23) is meshedly connected in the third threaded hole, and the screw (23) is meshedly connected in the threaded groove.

5. A roadbed edge protection device for highway construction according to claim 1, characterized in that The support assembly comprises a pair of lower U-shaped seats (24) and a pair of upper U-shaped seats (25), wherein the pair of lower U-shaped seats (24) are fixedly mounted on the connecting plate (10), the second vertical plate (3) is hingedly connected to the hollow cylinder (26), a telescopic rod (27) is inserted into the hollow cylinder (26), and the two side walls of the lower end of the telescopic rod (27) are respectively fixedly mounted with limit rods (28), the limit rods (28) are mounted on the lower U-shaped seat (24), the upper U-shaped seat (25) is covered on the lower U-shaped seat (24), a second bolt is connected between the lower U-shaped seat (24) and the upper U-shaped seat (25), notches (29) are respectively opened on the two side walls of the lower end of the hollow cylinder (26), a seat tube clamp (30) is fixedly mounted on the lower end of the hollow cylinder (26), and the seat tube clamp (30) covers the notch (29).

6. A roadbed edge protection device for highway construction according to claim 1, characterized in that A plurality of ground nails are fixedly installed on the lower wall surface of the base plate (1).

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