Pile nail for road structure layer construction and construction method

Abstract

The invention relates to the technical field of municipal road construction, in particular to a pile nail for road structure layer construction and a construction method.The pile nail comprises a threaded pile rod, and scale marks are arranged on the threaded pile rod; the elevation control disc is connected to the threaded pile rod in a threaded mode, an elevation line is arranged on the elevation control disc, a hook is arranged at the end of the elevation line, and a hooking hole used for hooking the hook is further formed in the elevation control disc; the pile nail is easy to manufacture and operate, safe, reliable, low in manufacturing cost and very suitable for being used on site. By means of the pile nail, the transverse slope ratio and the longitudinal slope ratio of a road surface can be controlled, accurate positioning is guaranteed, repeated and reciprocating steel chisel hitting and wire pulling are not needed, the problems of elevation point loss and large elevation error deviation are avoided, by means of the steel chisel device, the construction flexibility and efficiency are greatly improved, and the construction cost is reduced. And the error of repeated measurement and the cost investment of machinery are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of municipal road construction, in particular to a pile nail for road structure layer construction and a construction method. Background Art

[0002] The traditional method of controlling the elevation of the structural layer is to stake out and drive steel bar edge stakes. After determining the elevation of the road structure layer, the hanging line elevation is measured on the steel bar and a steel wire is hung for elevation positioning. During construction, it was found that the traditional construction method has the following shortcomings: 1. It is difficult to ensure accurate positioning during the hanging line process; 2. As the construction of the structural layer proceeds, the steel wire will sag, resulting in the loss of elevation points. Repeated measurement positions may be offset, resulting in large elevation error deviations; 3. The three-dimensional elevation is not obvious enough, and the slope of crossroads, single-slope to two-slope roads, etc. is not easy to control. Summary of the invention

[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide a pile nail and a construction method for a road structure layer construction which can ensure the accuracy of the elevation of the road structure layer and make the road construction more convenient.

[0004] The technical solution adopted by the present invention to solve its technical problem is: A pile nail for road structure layer construction includes a threaded pile rod with scale marks on it; it also includes an elevation control disc threadedly connected to the threaded pile rod, the elevation control disc is provided with an elevation line, a hook is provided at the end of the elevation line, and the elevation control disc is also provided with a hook hole for hooking the hook.

[0005] Preferably, a further technical solution of the present invention is: Preferably, a self-locking nut is provided at the bottom of the elevation control disc, the self-locking nut is coaxially arranged with the center hole of the elevation control disc, and the elevation control disc is connected to the threaded pile rod through the self-locking nut.

[0006] Preferably, the elevation control disc is provided with a wire storage slot, which is connected to the center hole; a bearing is provided at the center hole, and a winding shaft for winding the elevation wire is rotatably connected via the bearing, and a rotating handle is connected to the winding shaft; the elevation control disc is also provided with an annular groove for rotating the rotating handle; the rotating handle is Z-shaped, the end of the lower horizontal part is connected to the winding shaft, and the vertical part passes through the annular groove.

[0007] Preferably, the vertical portion of the rotating handle is rotatably connected to the lower horizontal portion and the upper horizontal portion.

[0008] Preferably, it also includes an E-shaped limit rod, the uppermost horizontal rod of the E-shaped limit rod is slidably sleeved on the upper horizontal part of the rotating handle, and the distance between the middle horizontal rod and the lowermost horizontal rod can be fixed by clamping with the elevation control disk.

[0009] Preferably, the elevation line is a red, green or blue elevation line.

[0010] Preferably, a plurality of hook-connecting holes are provided, and the plurality of hook-connecting holes are evenly distributed in the circumferential direction along the elevation control disk.

[0011] Preferably, the lower end of the threaded pile rod is configured as a pointed end.

[0012] The present invention also discloses a road structure layer construction method, which is carried out using pile nails for road structure layer construction, and the specific steps are as follows: S1: After the main road subgrade surface layer is constructed, the threaded pile rods are nailed to the preset pile number node positions on the center line and side line of the main road. When nailing the threaded pile rods, the zero scale mark on the threaded pile rods is controlled to be flush with the subgrade surface layer elevation of the main road; S2: According to the preset elevations on the centerline and sideline of the structure layer to be constructed, the elevation control disk at each position is rotated and raised to the elevation of the structure layer to be constructed at the corresponding position; S3: In the road section to be constructed, the elevation control disc on the center line is connected with the elevation control discs on the side lines on both sides by elevation lines to control the transverse slope of the main road; the elevation control discs on the center line are connected by elevation lines or the elevation control discs on the same side lines are connected by elevation lines to control the longitudinal slope of the main road; S4: Construct the structure layer to be constructed according to the height of the elevation line. After the construction is completed, retract the elevation line into the elevation control disc; S5: Mark the pile number and the pile number of the turning point of the edge gradient segment on the corresponding elevation control disc, conduct acceptance according to the pile number marked on the elevation control disc, and conduct random inspection of the thickness of the structural layer at this position according to the scale of the elevation control disc; S6: Repeat S2-S5 until all surface layers are completed; S7: Use elevation lines to connect the elevation control discs on the same side line in series, that is, hook the hook on the elevation control disc on the side line to the hook connection hole on the next elevation control disc, and use the elevation lines, pile number markings on the elevation control discs and measuring instruments to mark the positions of the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road; S8: inserting a threaded pile rod at a preset pile number node position on the outer edge of the sidewalk, and controlling the corresponding scale of the threaded pile rod to be flush with the sidewalk subgrade surface elevation according to the difference between the subgrade surface elevation of the sidewalk and the subgrade surface elevation of the main road; S9: Same as the main road construction, when constructing the sidewalk, according to the height difference between the corresponding structural layer of the sidewalk and the main road subgrade surface layer, adjust the elevation control disc connected to the threaded pile rod nailed on the main road sideline and the outer sidewalk to the corresponding position. In the section to be constructed, connect the elevation control discs on the main road sideline and the outer sidewalk with the elevation line to control the transverse slope of the road; connect the elevation control discs on the outer sidewalk with the elevation line to control the longitudinal slope of the road, and complete the construction of each structural layer of the sidewalk in sequence from bottom to top; after each structural layer is constructed, check and accept it according to the pile number marked on the elevation control disc, and conduct random inspection of the thickness of the structural layer at this position according to the scale of the elevation control disc; S10: According to the positions of the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road marked in step S7, the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road are constructed.

[0013] Compared with the prior art, the present invention adopting the above technical solution has the following outstanding features: The pile nail is relatively simple to manufacture and operate, safe and reliable, and has a low manufacturing cost, and is very suitable for on-site use. The use of the pile nails in the present invention can control the transverse slope and longitudinal slope of the road surface, ensuring accurate positioning, without the need for multiple, reciprocating steel drills and wire pulling, thus avoiding the problems of loss of elevation points and large elevation error deviations. The use of the steel drill device in the present application greatly improves the flexibility and efficiency of construction, and reduces the errors of repeated measurements and the cost investment of machinery. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the structure of a pile nail in an embodiment of the present invention; Figure 2 is a schematic cross-sectional structural diagram of an elevation control disc in an embodiment of the present invention; Figure 3 is another structural schematic diagram of a pile nail in an embodiment of the present invention; Figure 4 It is a structural schematic diagram of the road construction in an embodiment of the present invention.

[0015] Explanation of the reference numerals in the accompanying drawings: 1. Threaded pile rod; 101. Scale mark; 102. Tip; 2. Elevation control disk; 201. Hook hole; 202. Wire storage slot; 203. Annular groove; 3. Elevation line; 4. Hook; 5. Self-locking nut; 6. Bearing; 7. Winding shaft; 8. Turning handle; 9. Limit rod; 10. Subgrade surface layer of the main road; 11. Subgrade surface layer of the sidewalk. DETAILED DESCRIPTION

[0016] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0017] like Figures 1 to 3 As shown, this embodiment provides a pile nail for road structure layer construction, including a threaded pile rod 1, the lower end of the threaded pile rod 1 is set as a tip 102, and the rod body of the threaded pile rod 1 is provided with a scale mark 101; it also includes an elevation control disk 2 threadedly connected to the threaded pile rod 1, the elevation control disk 2 is provided with an elevation line 3, the end of the elevation line 3 is provided with a hook 4, and the elevation control disk 2 is also provided with a hook hole 201 for hooking the hook 4, and the hook hole 201 is provided with a plurality of hook holes 201, and the plurality of hook holes 201 are uniformly distributed along the circumferential direction of the elevation control disk 2; wherein the elevation line 3 is red, green or blue, and the color is bright, which is convenient for construction personnel to observe.

[0018] A self-locking nut 5 is provided at the bottom of the elevation control disc 2 . The self-locking nut 5 is coaxially arranged with the center hole of the elevation control disc 2 . The elevation control disc 2 is connected to the threaded pile rod 1 through the self-locking nut 5 .

[0019] The elevation control disc 2 is provided with a wire storage slot 202, which is communicated with the center hole; a bearing 6 is provided at the center hole, through which a winding shaft 7 for winding the elevation line 3 is rotatably connected, and a rotating handle 8 is connected to the winding shaft 7; the elevation control disc 2 is also provided with an annular groove 203 for rotating the rotating handle 8; the rotating handle 8 is Z-shaped, the end of the lower horizontal part is connected to the winding shaft 7, and the vertical part passes through the annular groove 203; wherein, the vertical part of the rotating handle 8 is rotatably connected to the lower horizontal part and the upper horizontal part.

[0020] It also includes an E-shaped limit rod 9, the uppermost horizontal rod of the E-shaped limit rod 9 is slidably sleeved on the upper horizontal part of the rotating handle 8, and the distance between the middle horizontal rod and the lowermost horizontal rod can be clamped and fixed with the elevation control disk 2.

[0021] When the middle horizontal rod and the lowermost horizontal rod are pulled out from the elevation control disc 2 by sliding the limit rod 9, the handle 8 can be rotated to reel in and out the elevation line 3; when the middle horizontal rod and the lowermost horizontal rod are clamped on the elevation control disc 2 by sliding the limit rod 9, the reeling in and out of the elevation line 3 is stopped; when the hook 4 at the end of the elevation line 3 on the elevation control disc 2 is hooked into the hook hole 201 of the other elevation control disc 2, the elevation line 3 is in a straight line between the two elevation control discs 2, which can be used for elevation positioning when constructing the structural layer; the accuracy of the elevation positioning is guaranteed; the height control disc can be used in different construction projects, reducing the construction cost.

[0022] like Figures 1 to 4 As shown, this embodiment provides a road structure layer construction method, which is carried out using pile nails for road structure layer construction. The specific steps are as follows: S1: After the construction of the roadbed surface layer 10 of the main road is completed, the threaded pile rod 1 is nailed to the preset pile number node positions of the center line and the side line of the main road. When the threaded pile rod 1 is nailed, the zero scale mark 101 on the threaded pile rod 1 is controlled to be flush with the elevation of the roadbed surface layer 10 of the main road.

[0023] S2: According to the preset elevations on the center line and the side line of the structure layer to be constructed, the elevation control disk 2 at each position is rotated and raised to the elevation of the structure layer to be constructed at the corresponding position.

[0024] S3: On the road section to be constructed, connect the elevation control disc 2 on the center line with the elevation control discs 2 on the side lines on both sides using elevation lines 3, such as Figure 4 As shown, the transverse slope of the main road is controlled; the elevation control discs 2 on the center line are connected with elevation lines 3 or the elevation control discs 2 on the same side line are connected with elevation lines 3 to control the longitudinal slope of the main road.

[0025] S4: Construct the structure layer to be constructed according to the height of the elevation line 3. After the construction is completed, retract the elevation line 3 into the elevation control disc 2.

[0026] S5: Mark the pile number and the pile number of the turning point of the edge gradient segment on the corresponding elevation control disc 2, perform acceptance according to the pile number marked on the elevation control disc 2, and perform random inspection on the thickness of the structural layer at this position according to the scale of the elevation control disc 2.

[0027] S6: Repeat S2-S5 until all surface layers are completed.

[0028] S7: Use the elevation line 3 to connect the elevation control disks 2 on the same side line in series, that is, hook the hook 4 on the elevation control disk 2 on the side line on the hook hole 201 on the next elevation control disk 2, and use the elevation line 3 in conjunction with the pile number marking on the elevation control disk 2 and the measuring instrument to mark the rainwater outlets, street lamp foundations, and curb positions on both sides of the main road; the measuring instrument can be a ruler, GPS locator, theodolite, total station, etc.

[0029] S8: Figure 4 , insert the threaded pile rod 1 at the preset pile number node position on the outer edge of the sidewalk, and control the corresponding scale of the threaded pile rod 1 to be flush with the elevation of the sidewalk subgrade surface layer 11 according to the difference between the elevation of the sidewalk subgrade surface layer 11 and the elevation of the main road subgrade surface layer 10.

[0030] S9: Same as the main road construction, during the sidewalk construction, according to the height difference between the corresponding structural surface layer of the sidewalk and the main road subgrade surface layer, the elevation control disc 2 connected to the threaded pile rod 1 nailed on the main road sideline and the outer edge of the sidewalk is adjusted to the corresponding position; in the section to be constructed, the elevation control disc 2 on the main road sideline and the outer edge of the sidewalk is connected with the elevation line 3 to control the transverse slope of the road; the elevation control disc 2 on the outer edge of the sidewalk is connected with the elevation line 3 to control the longitudinal slope of the road, and the construction of each structural layer of the sidewalk is completed in sequence from bottom to top; after each structural layer is constructed, it is inspected according to the pile number marked on the elevation control disc 2, and the thickness of the structural layer at this position is randomly inspected according to the scale of the elevation control disc 2.

[0031] S10: According to the positions of the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road marked in step S7, the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road are constructed.

[0032] The application of the stakes in the present invention can control the transverse slope and longitudinal slope of the road surface, realize three-dimensional elevation control, ensure precise positioning, and eliminate the need for multiple and reciprocating steel drills and wire pulling, thereby avoiding the loss of elevation points and large elevation error deviations. The application of the steel drill device in this application greatly improves the flexibility and efficiency of construction, and reduces the errors of repeated measurements and the cost investment of machinery.

[0033] The above description is only the preferred embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made by using the contents of the present invention specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A pile nail for road structure layer construction, characterized in that: It includes a threaded pile rod with scale markings on it; it also includes an elevation control disc threadedly connected to the threaded pile rod, the elevation control disc is provided with an elevation line, a hook is provided at the end of the elevation line, and the elevation control disc is also provided with a hook hole for hooking the hook.

2. The pile nail for road structure layer construction according to claim 1, characterized in that: A self-locking nut is arranged at the bottom of the elevation control disc. The self-locking nut is arranged coaxially with the center hole of the elevation control disc. The elevation control disc is connected to the threaded pile rod through the self-locking nut.

3. The pile nail for road structure layer construction according to claim 2, characterized in that: The elevation control disc is provided with a wire storage slot, which is connected to the center hole; a bearing is provided at the center hole, and a winding shaft for winding the elevation wire is rotatably connected through the bearing, and a rotating handle is connected to the winding shaft; the elevation control disc is also provided with an annular groove for rotating the rotating handle; the rotating handle is Z-shaped, the end of the lower horizontal part is connected to the winding shaft, and the vertical part passes through the annular groove.

4. The pile nail for road structure layer construction according to claim 3, characterized in that: The vertical part of the rotating handle is rotatably connected with the lower horizontal part and the upper horizontal part.

5. The pile nail for road structure layer construction according to claim 4, characterized in that: It also includes an E-shaped limit rod, the uppermost horizontal rod of the E-shaped limit rod is slidably sleeved on the upper horizontal part of the rotating handle, and the distance between the middle horizontal rod and the lowermost horizontal rod can be fixed by the elevation control disc.

6. The pile nail for road structure layer construction according to claim 1, characterized in that: Elevation lines are red, green or blue.

7. The pile nail for road structure layer construction according to claim 1, characterized in that: A plurality of hook-connecting holes are arranged, and the plurality of hook-connecting holes are evenly distributed along the circumferential direction of the elevation control disk.

8. The pile nail for road structure layer construction according to claim 1, characterized in that: The lower end of the threaded pile rod is arranged as a pointed end.

9. A road structure layer construction method, characterized in that: The method of using the pile nails for road structure layer construction according to any one of claims 1 to 8 is carried out in the following specific steps: S1: After the main road subgrade surface layer is constructed, the threaded pile rods are nailed to the preset pile number node positions on the center line and side line of the main road. When nailing the threaded pile rods, the zero scale mark on the threaded pile rods is controlled to be flush with the subgrade surface layer elevation of the main road; S2: According to the preset elevations on the centerline and sideline of the structure layer to be constructed, the elevation control disk at each position is rotated and raised to the elevation of the structure layer to be constructed at the corresponding position; S3: In the road section to be constructed, the elevation control disc on the center line is connected with the elevation control discs on the side lines on both sides by elevation lines to control the transverse slope of the main road; the elevation control discs on the center line are connected by elevation lines or the elevation control discs on the same side lines are connected by elevation lines to control the longitudinal slope of the main road; S4: Construct the structure layer to be constructed according to the height of the elevation line. After the construction is completed, retract the elevation line into the elevation control disc; S5: Mark the pile number and the pile number of the turning point of the edge gradient segment on the corresponding elevation control disc, conduct acceptance according to the pile number marked on the elevation control disc, and conduct random inspection of the thickness of the structural layer at this position according to the scale of the elevation control disc; S6: Repeat S2-S5 until all surface layers are completed; S7: Use elevation lines to connect the elevation control discs on the same side line in series, that is, hook the hook on the elevation control disc on the side line to the hook connection hole on the next elevation control disc, and use the elevation lines, pile number markings on the elevation control discs and measuring instruments to mark the positions of the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road; S8: inserting a threaded pile rod at a preset pile number node position on the outer edge of the sidewalk, and controlling the corresponding scale of the threaded pile rod to be flush with the sidewalk subgrade surface elevation according to the difference between the subgrade surface elevation of the sidewalk and the subgrade surface elevation of the main road; S9: Same as the main road construction, when constructing the sidewalk, according to the height difference between the corresponding structural layer of the sidewalk and the main road subgrade surface layer, adjust the elevation control disc connected to the threaded pile rod nailed on the main road sideline and the outer sidewalk to the corresponding position. In the section to be constructed, connect the elevation control discs on the main road sideline and the outer sidewalk with the elevation line to control the transverse slope of the road; connect the elevation control discs on the outer sidewalk with the elevation line to control the longitudinal slope of the road, and complete the construction of each structural layer of the sidewalk in sequence from bottom to top; after each structural layer is constructed, check and accept it according to the pile number marked on the elevation control disc, and conduct random inspection of the thickness of the structural layer at this position according to the scale of the elevation control disc; S10: According to the positions of the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road marked in step S7, the rainwater inlets, street lamp foundations, and curbstones on both sides of the main road are constructed.

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