Roadbed reinforcing structure

Abstract

The utility model discloses a roadbed reinforcing structure, and relates to the technical field of road maintenance, the roadbed reinforcing structure comprises a connecting frame and a plurality of anchor rods inserted in a roadbed, the anchor rods are respectively arranged at two sides of a crack, the connecting frame is provided with a plurality of groups of fixing mechanisms, each group of fixing mechanisms is in one-to-one correspondence with the anchor rods, and the fixing mechanisms are arranged on the connecting frame. And the fixing mechanism is used for fixing the anchor rod on the connecting frame. The road crack repairing method has the effect of improving the structural stability after road crack repairing is completed.

Description

Technical Field

[0001] The present application relates to the technical field of road maintenance, and in particular to a roadbed reinforcement structure. Background Art

[0002] In daily use, due to inadequate maintenance, roads are prone to internal fractures in the roadbed, which in turn causes cracks in the road surface. The current general repair method is to pour concrete into the cracks and cover the surface with asphalt to fill them. However, the concrete poured in this way cannot be completely mixed with the original roadbed, and it is very easy to crack again at the cracks. Utility Model Content

[0003] In order to improve the structural stability after the road cracks are repaired, the present application provides a roadbed reinforcement structure.

[0004] This application provides a roadbed reinforcement structure, which adopts the following technical solutions:

[0005] A roadbed reinforcement structure includes a connecting frame and a plurality of anchor rods inserted into the roadbed, wherein the anchor rods are arranged on both sides of a crack. The connecting frame is provided with multiple groups of fixing mechanisms, each group of the fixing mechanisms corresponds to an anchor rod one-to-one, and the fixing mechanisms are used to fix the anchor rods on the connecting frame.

[0006] Optionally, each anchor rod is inserted into the roadbed in an oblique downward direction, and the anchor rod gradually approaches the crack from the top end to the bottom end of the anchor rod.

[0007] Optionally, the connecting frame includes a first frame, a second frame and a limit member, the second frame is slidably arranged on the first frame in a direction close to or away from the first frame, the limit member is used to prevent the first frame and the second frame from sliding relative to each other, and each group of the fixing mechanisms is arranged on the first frame or the second frame.

[0008] Optionally, the limiting member includes a tensioning screw, a first through hole is opened on the first frame, a second through hole is opened on the second frame, two ends of the tensioning screw are respectively passed through the first through hole and the second through hole, and both ends of the tensioning screw are threadedly connected with nuts.

[0009] Optionally, the fixing mechanism includes a fixing sleeve and a fixing assembly, the fixing sleeve is fixedly provided on the first frame or the second frame, and the fixing sleeve is adapted to the anchor rod, and the fixing assembly is used to prevent the anchor rod from sliding in the fixing sleeve.

[0010] Optionally, the fixing assembly includes an insert block, a limiting sleeve and a fixing piece, the side wall of the fixing sleeve is provided with a mounting hole for inserting the insert block, the side wall of the anchor rod is provided with a plug-in groove for inserting the insert block, the limiting sleeve is slidably mounted on the fixing sleeve and is used to close the mounting hole, and the fixing piece is used to prevent the limiting sleeve from sliding on the fixing sleeve.

[0011] Optionally, a plurality of barbs are fixedly provided on the side wall of the anchor rod.

[0012] Optionally, a grouting cavity is provided inside the anchor rod, a grouting port communicating with the grouting cavity is provided at the end of the anchor rod, and a plurality of grouting holes communicating with the grouting cavity are provided on the side wall of the anchor rod.

[0013] In summary, this application includes at least one of the following beneficial technical effects:

[0014] 1. When repairing road cracks, the road surface at the crack location is dug up, and several anchor rods are driven into the roadbed on both sides of the crack location. Then, a connecting frame is installed at the crack location, and each anchor rod is fixed to the connecting frame through a fixing mechanism. After that, concrete is poured into the dug crack and the concrete surface is covered with asphalt to fill it. The connecting frame and anchor piles are used to prevent the crack location from further expanding, thereby improving the structural stability after the road crack repair is completed.

[0015] 2. This application sets the connecting frame into a first frame and a second frame, and makes the first frame and the second frame slidably connected. When reinforcing the crack position, the first frame and the second frame are first fixed to the anchor rods on both sides of the crack respectively, and then the first frame and the second frame are driven close to each other, and the anchor rods on both sides of the crack are tightened, thereby further increasing the structural stability after the road crack repair is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0017] Figure 2 This is a schematic diagram of the structure of the anchor rod used in the embodiment of the present application;

[0018] Figure 3 This is a schematic diagram of the structure of the connecting frame used in the embodiment of the present application;

[0019] Figure 4 It is a structural diagram used to express the fixing mechanism in an embodiment of the present application.

[0020] Explanation of the accompanying reference numerals: 1. Connecting frame; 11. First frame; 12. Second frame; 13. Tension screw; 131. Nut; 2. Anchor rod; 21. Grouting chamber; 22. Grouting port; 23. Grouting hole; 24. Barb; 25. Connecting groove; 3. Fixing sleeve; 31. Insert block; 32. Limiting sleeve; 33. Mounting hole; 34. Bolt. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The present application embodiment discloses a roadbed reinforcement structure. Figure 1 , including a connecting frame 1 and several anchor rods 2. The connecting frame 1 is set at the crack position of the road. The anchor rods 2 are set on both sides of the crack and inserted into the roadbed. When repairing the road cracks, the road surface at the crack position is dug up, and several anchor rods 2 are respectively driven into the roadbed on both sides of the crack position. When installing the anchor rods 2, anchor holes are first drilled on the roadbed, and then the anchor rods 2 are installed in the anchor holes. When drilling the anchor holes on the roadbed, they are opened in an oblique downward direction, and the anchor holes gradually approach the cracks from the top to the bottom.

[0023] Reference Figure 2 A grouting cavity 21 is provided inside the anchor rod 2, a grouting port 22 communicating with the grouting cavity 21 is provided at the top of the anchor rod 2, a plurality of slurry holes 23 communicating with the grouting cavity 21 are provided on the side wall of the anchor rod 2, and a plurality of barbs 24 are fixedly provided on the side wall of the anchor rod 2. After the anchor rod 2 is installed, concrete is poured into the grouting cavity 21 through the grouting port 22, and then the concrete flows out through the slurry holes 23 and fills the anchor hole. The structural strength of the anchor rod 2 after installation is increased by the setting of the barbs 24.

[0024] Reference Figure 3 The connecting frame 1 includes a first frame body 11, a second frame body 12 and a limit member. A slide groove is provided on the first frame body 11, and a slider is fixedly provided on the second frame body 12. The cross-section of the slider is T-shaped, the slide groove is adapted to the slider, and the slider is slidably arranged in the slide groove. The limit member includes a tension screw 13. A first through hole is provided on the first frame body 11, and a second through hole is provided on the second frame body 12. The two ends of the tension screw 13 are respectively passed through the first through hole and the second through hole, and the length direction of the tension screw 13 is parallel to the sliding direction of the second frame body 12. Both ends of the tension screw 13 are threadedly connected with nuts 131.

[0025] Reference Figure 3 、 4, multiple sets of fixing mechanisms are provided on the first frame 11 and the second frame 12. When the connecting frame 1 is installed, the first frame 11 and the second frame 12 are respectively located on both sides of the crack, and the fixing mechanisms correspond one-to-one to the anchor rod 2. The fixing mechanism includes a fixing sleeve 3 and a fixing assembly. The fixing sleeve 3 is fixedly set on the first frame 11 or the second frame 12, and the fixing sleeve 3 is adapted to the anchor rod 2.

[0026] Reference Figure 4 The fixing assembly includes an insert block 31, a limiting sleeve 32 and a fixing piece. The side wall of the fixing sleeve 3 is provided with a mounting hole 33, which is adapted to the insert block 31. The side wall of the anchor rod 2 is provided with a plug slot 25 for inserting the insert block 31. The limiting sleeve 32 is slidably sleeved on the fixing sleeve 3. The fixing piece includes a bolt 34. The side wall of the limiting sleeve 32 is provided with a connecting hole. The side wall of the fixing sleeve 3 is provided with a threaded hole adapted to the bolt 34. When the connecting frame 1 is installed at the crack position of the road, each fixing sleeve 3 is respectively sleeved on the corresponding anchor rod 2, and the fixing sleeve 3 is The mounting hole 33 on the bracket is aligned with the insertion slot 25 on the anchor rod 2, and then the plug block 31 is inserted into the mounting hole 33 and the insertion slot 25, and then the limiting sleeve 32 is slid to cover the mounting hole 33 to prevent the plug block 31 from detaching from the insertion slot 25 of the anchor rod 2. After that, the connecting hole on the limiting sleeve 32 is aligned with the threaded hole on the fixing sleeve 3, and the bolt 34 is inserted into the connecting hole and threadedly connected to the threaded hole on the fixing sleeve 3, thereby preventing the limiting sleeve 32 from sliding on the fixing sleeve 3, thereby fixing the anchor rod 2 on the first frame 11 or the second frame 12.

[0027] The implementation principle of a roadbed reinforcement structure in an embodiment of the present application is: when repairing road cracks, the road surface at the crack location is dug up, and then a plurality of anchor holes are opened in the roadbed on both sides of the road crack location. When opening the anchor holes on the roadbed, they are opened in an oblique downward direction, and the anchor holes gradually approach the cracks from the top to the bottom, and then the anchor rods 2 are installed in the anchor holes.

[0028] The fixing sleeves 33 are respectively sleeved on the corresponding anchor rods 2, and the mounting holes 33 on the fixing sleeves 3 are aligned with the insertion slots 25 on the anchor rods 2. Then, the plug block 31 is inserted into the mounting hole 33 and the insertion slots 25. Then, the limiting sleeve 32 is slid to cover the mounting hole 33 to prevent the plug block 31 from detaching from the insertion slots 25 of the anchor rods 2. Then, the connecting hole on the limiting sleeve 32 is aligned with the threaded hole on the fixing sleeve 3. The bolt 34 is inserted into the connecting hole and threadedly connected to the threaded hole on the fixing sleeve 3, thereby preventing the limiting sleeve 32 from sliding on the fixing sleeve 3, thereby fixing the anchor rod 2 on the first frame 11 or the second frame 12.

[0029] Concrete is poured into the grouting cavity 21 through the grouting port 22, and then the concrete flows out through the slurry outlet 23 and fills the anchor hole. After the concrete solidifies, the first frame 11 and the second frame 12 are tightened by the tension bolts 34. Then, concrete is poured into the excavated crack, and the concrete surface is covered with asphalt to fill it. The connecting frame 1 and the anchor pile are used to prevent the crack position from further expanding, thereby improving the structural stability after the road crack repair is completed.

[0030] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A roadbed reinforcement structure, characterized in that: The invention comprises a connecting frame (1) and a plurality of anchor rods (2) inserted into the roadbed, wherein each anchor rod (2) is arranged on both sides of a crack, and the connecting frame (1) is provided with a plurality of fixing mechanisms, each fixing mechanism corresponds to an anchor rod (2) one by one, and the fixing mechanisms are used to fix the anchor rod (2) on the connecting frame (1).

2. A roadbed reinforcement structure according to claim 1, characterized in that: Each anchor rod (2) is inserted into the roadbed in an oblique downward direction, and the anchor rod (2) gradually approaches the crack from the top end to the bottom end of the anchor rod (2).

3. A roadbed reinforcement structure according to claim 1, characterized in that: The connecting frame (1) comprises a first frame body (11), a second frame body (12) and a limiting member, wherein the second frame body (12) is slidably arranged on the first frame body (11) in a direction approaching or moving away from the first frame body (11), and the limiting member is used to prevent the first frame body (11) and the second frame body (12) from sliding relative to each other, and each group of the fixing mechanisms is arranged on the first frame body (11) or the second frame body (12).

4. A roadbed reinforcement structure according to claim 3, characterized in that: The limiting member comprises a tensioning screw rod (13), a first through hole is formed on the first frame body (11), a second through hole is formed on the second frame body (12), two ends of the tensioning screw rod (13) are respectively inserted into the first through hole and the second through hole, and both ends of the tensioning screw rod (13) are threadedly connected with nuts (131).

5. A roadbed reinforcement structure according to claim 3, characterized in that: The fixing mechanism comprises a fixing sleeve (3) and a fixing assembly. The fixing sleeve (3) is fixedly arranged on the first frame (11) or the second frame (12), and the fixing sleeve (3) is adapted to the anchor rod (2). The fixing assembly is used to prevent the anchor rod (2) from sliding in the fixing sleeve (3).

6. A roadbed reinforcement structure according to claim 5, characterized in that: The fixing assembly comprises an insert block (31), a limiting sleeve (32) and a fixing piece. The side wall of the fixing sleeve (3) is provided with a mounting hole (33) for inserting the insert block (31). The side wall of the anchor rod (2) is provided with a plug-in slot (25) for inserting the insert block (31). The limiting sleeve (32) is slidably mounted on the fixing sleeve (3) and is used to close the mounting hole (33). The fixing piece is used to prevent the limiting sleeve (32) from sliding on the fixing sleeve (3).

7. A roadbed reinforcement structure according to claim 1, characterized in that: A plurality of barbs (24) are fixedly arranged on the side wall of the anchor rod (2).

8. A roadbed reinforcement structure according to claim 7, characterized in that: A grouting cavity (21) is provided inside the anchor rod (2), a grouting port (22) communicating with the grouting cavity (21) is provided at the end of the anchor rod (2), and a plurality of grouting holes (23) communicating with the grouting cavity (21) are provided on the side wall of the anchor rod (2).

Images