Cast-in-place pile elevation control device and construction method thereof

Abstract

The invention provides a cast-in-place pile elevation control device which comprises a scaleplate and an aluminum alloy bottom plate, the bottom end of the scaleplate is fixed to the bottom plate, a slurry passing hole is formed in the bottom plate, the scaleplate is a telescopic rod, and elevation dimensions are sprayed on the telescopic rod. The invention further provides a construction method of the cast-in-place pile elevation control device. The aluminum alloy bottom plate and the slurry passing holes formed in the aluminum alloy bottom plate are utilized, so that the problem of inaccurate elevation measurement caused by the fact that a conventional measuring rope is difficult to sink to the bottom during elevation measurement is solved. The shaping component has the advantages of being simple in structure, easy to operate and wide in adaptability.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a cast-in-place pile elevation control device and a construction method thereof. Background Art

[0002] At present, when the elevation of the top of the bored pile is controlled at the construction site, a measuring rope is generally used for measurement. Since the measuring rope itself is light and has a large resistance when placed in the mud, it is impossible to effectively judge whether the measuring rope has sunk to the bottom or sunk too deep, resulting in a certain deviation in the final measurement result and easily causing over-casting. Summary of the invention

[0003] In order to overcome the problems existing in the prior art, the present invention provides a cast-in-place pile elevation control device and a construction method thereof.

[0004] A cast-in-place pile elevation control device comprises a ruler and an aluminum alloy bottom plate, wherein the bottom end of the ruler is fixed to the aluminum alloy bottom plate, a slurry hole is arranged on the aluminum alloy bottom plate, and the ruler is a telescopic rod, on which the elevation size is sprayed.

[0005] Furthermore, the aluminum alloy bottom plate is circular, the slurry holes are arranged as a plurality of concentric ring gaps centered on the center of the aluminum alloy bottom plate, and the scale is fixed between two concentric ring gaps.

[0006] Furthermore, the telescopic rod is a hollow rod, comprising an upper telescopic rod and a lower telescopic rod, the diameter of the upper telescopic rod is smaller than the diameter of the lower telescopic rod, the upper telescopic rod is inserted into the lower telescopic rod for buckle connection, a plurality of buckles are evenly spaced one measurement unit at the bottom of the upper telescopic rod, the buckle is fixed to the bottom of the upper telescopic rod through a first spring, one end of the first spring is fixed to the lower part of the upper telescopic rod, and the other end of the first spring is fixedly connected to the buckle, a slot is provided on the upper part of the lower telescopic rod, a plurality of the slots are evenly spaced one measurement unit at the upper part of the lower telescopic rod, and the positions and numbers of the slots and buckles correspond one to one.

[0007] Furthermore, a press buckle is arranged at the lower part of the upper telescopic rod through a second spring, and a circumferential press buckle is arranged at the upper part of the press buckle through a third spring. The top end of the lower telescopic rod is concave inwardly, and the inwardly concave arc is used to limit the circumferential press buckle. A plurality of slots are arranged at even intervals of one measurement unit at the upper part of the lower telescopic rod, and the upper telescopic rod and the lower telescopic rod are connected with the slots through the press buckle. Furthermore, the telescopic rod is a circular hollow rod, a fixing hole is arranged between the two concentric ring gaps, an internal thread is arranged in the fixing hole, an external thread is arranged at the bottom end of the lower telescopic rod, and the bottom of the lower telescopic rod is fixed in the fixing hole by the combination of internal and external threads.

[0008] Furthermore, the telescopic rod is a square hollow rod, and the bottom end of the lower telescopic rod is welded and fixed between the gaps of two concentric circular rings.

[0009] Furthermore, it also includes a tuck plate, which is fixed on the aluminum alloy bottom plate around the lower telescopic rod, and the tuck plate is fixedly connected to the lower telescopic rod.

[0010] Furthermore, there are four tucking plates, which are evenly arranged around the lower telescopic rod at a quarter arc interval and fixed to the aluminum alloy base plate. The tucking plates are aluminum alloy triangular plates, one side of which is welded and fixed to the aluminum alloy base plate, and the other side of the triangular plate steel plate is welded and fixed to the lower telescopic rod.

[0011] The second technical solution provided by the present invention is: A construction method for a cast-in-place pile elevation control device comprises the following steps: Step 1: Prepare the cast-in-place pile elevation control device, fix the scale on the aluminum alloy bottom plate, and weld and fix the tuck plate around the scale; Step 2, according to the design drawings, cast the bored piles, when the amount of poured concrete reaches the design requirements, adjust the ruler length of the bored pile elevation control device, so that the length of the ruler reaches the bored pile process design requirements elevation, put the bored pile elevation control device with the adjusted elevation into the bored pile, and perform bored pile elevation detection, the aluminum alloy bottom plate of the bored pile elevation control device passes through the mud in the bored pile due to its own weight to reach the cross section where the mud and the poured concrete meet, the poured concrete aggregate particles are too large to pass through the slurry holes of the aluminum alloy bottom plate, so the aluminum alloy bottom plate of the bored pile elevation control device stays on the poured concrete, at this time, the elevation of the bored pile can be measured by the bored pile elevation measuring device; Step 3: If the elevation of the bored pile reaches the elevation of the bored pile elevation control device, stop the bored pile concrete pouring; if the elevation of the bored pile does not reach the elevation of the bored pile elevation control device, continue the bored pile concrete pouring. During the pouring process, use the bored pile elevation control device to measure at any time until the bored pile elevation reaches the elevation of the bored pile elevation control device, and the bored pile concrete pouring is completed.

[0012] Further, in step 3, the ruler is a telescopic rod, and the adjustment of the ruler length is displayed by adjusting the length of the telescopic rod. To extend the length of the telescopic rod, the buckle at the lower end of the upper telescopic rod is aligned and inserted into the uppermost slot of the lower telescopic rod, and the telescopic rod is extended to reach the longest length. In order to shorten the length of the telescopic rod, the buckle at the upper end of the upper telescopic rod is aligned and inserted into the lowermost slot of the lower telescopic rod, and the telescopic rod is shortened to the shortest length. According to the elevation required by the process design, that is, the required length of the ruler, the buckle at the corresponding position of the upper telescopic rod is inserted into the slot at the corresponding position of the lower telescopic rod to obtain the process design elevation.

[0013] The beneficial effects of the present invention are as follows: the present invention utilizes the aluminum alloy bottom plate and the slurry holes provided on the aluminum alloy bottom plate, so that the present invention can sink into the cast-in-place pile by the weight of the aluminum alloy bottom plate itself, and then the slurry in the cast-in-place pile passes through the slurry holes provided on the aluminum alloy bottom plate, thereby reducing the resistance of the aluminum alloy bottom plate to sink, and solving the problem of inaccurate elevation measurement caused by the difficulty of sinking to the bottom when measuring elevation with a conventional measuring rope. The present invention sprays the elevation size on the telescopic rod to make a ruler, and with the variable performance of the telescopic rod length, it can adapt to the use of cast-in-place pile measurements of different elevations. The present invention is a shaped component, which has the advantages of simple structure, simple operation, and wide adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of a cast-in-place pile elevation control device of the present invention; Figure 2 Yes Figure 1 A magnified view of the structure of the midpoint a; Figure 3 It is a structural schematic diagram of a cast-in-place pile elevation control device in measurement according to the present invention; Figure 4 It is a top view of the structure of one quarter of the aluminum alloy base plate in an embodiment of a cast-in-place pile elevation control device of the present invention.

[0015] Explanation of symbols in the accompanying drawings: 1. Ruler, 2. Sleeve of cast-in-place pile, 3. Grouting pipe, 4. Mud, 5. Cast concrete, 6. Original ground, 7. Aluminum alloy base plate, 8. Grouting hole, 9. Fixing hole, 10. Yige plate, 11. Annular gap, 12. Upper telescopic rod, 13. Lower telescopic rod, 14. Press buckle, 15. Arc gap, 16 Arc gap, 17. Circumferential press buckle, 18. Inward concave arc. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0018] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0019] In the description of this patent, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] A cast-in-place pile elevation control device, such as Figures 1 to 4 As shown, it includes a ruler 1 and an aluminum alloy base plate 7. The bottom end of the ruler 1 is fixed to the aluminum alloy base plate 7. The aluminum alloy base plate 7 is provided with a slurry hole 8. The ruler 1 is a telescopic rod, and the elevation size is sprayed on the telescopic rod.

[0021] The existing bored pile elevation measurement generally adopts a measuring rope for measurement. Since the measuring deviation of the measuring rope is large, it is easy to cause over-pouring, increase the amount of concrete used, and increase the amount of excess concrete blocks to be chiseled out, thereby increasing the project cost. The present invention utilizes an aluminum alloy bottom plate 7 and a ruler 1 fixed on the aluminum alloy bottom plate to form a bored pile elevation control device. Due to the deadweight of the aluminum alloy bottom plate 7 and the structure of the slurry hole 8 provided on the aluminum alloy bottom plate 7, the bored pile elevation control device can be sunk into the bored pile, thereby solving the problem that the conventional measuring rope is difficult to sink to the bottom and causes inaccurate elevation measurement. The present invention designs the ruler into a telescopic rod form, and the elevation size is sprayed on the telescopic rod to make the ruler. With the help of the change of the length of the telescopic rod, it can adapt to the measurement of bored piles of different elevations, thereby expanding the scope of application of the present invention. The present invention is a stereotyped structure with the advantages of simple structure, simple operation and wide adaptability.

[0022] The invention also discloses a construction method of a cast-in-place pile elevation control device, comprising the following steps: Step 1: Prepare the cast-in-place pile elevation control device, fix the scale on the aluminum alloy bottom plate, weld and fix the tuck plate around the scale, and set the slurry holes on the aluminum alloy bottom plate; Step 2, according to the design drawings, cast the bored piles, when the amount of poured concrete reaches the design requirements, adjust the ruler length of the bored pile elevation control device, so that the length of the ruler reaches the required elevation of the bored pile process design, put the bored pile elevation control device with the adjusted elevation into the bored pile, and perform bored pile elevation detection, put the bored pile elevation control device into the bored pile on one side of the drill rod 3, the sleeve 2 of the bored pile, the aluminum alloy bottom plate of the bored pile elevation control device passes through the mud in the bored pile due to its own weight to reach the cross section where the mud 4 and the poured concrete 5 meet, the poured concrete cannot pass through the slurry holes on the aluminum alloy bottom plate, so the aluminum alloy bottom plate of the bored pile elevation control device stays on the poured concrete, at this time, the elevation of the bored pile can be measured by the bored pile elevation measuring device; Step 3: If the elevation of the bored pile reaches the elevation of the bored pile elevation control device, stop the bored pile concrete pouring; if the elevation of the bored pile does not reach the elevation of the bored pile elevation control device, continue the bored pile concrete pouring. During the pouring process, use the bored pile elevation control device to measure at any time until the bored pile elevation reaches the elevation of the bored pile elevation control device, and the bored pile concrete pouring is completed.

[0023] Further, in step 3, the ruler is a telescopic rod, and the adjustment of the ruler length is displayed by adjusting the length of the telescopic rod. To extend the length of the telescopic rod, the buckle at the lower end of the upper telescopic rod is aligned and inserted into the uppermost slot of the lower telescopic rod, and the telescopic rod is extended to reach the longest length. In order to shorten the length of the telescopic rod, the buckle at the upper end of the upper telescopic rod is aligned and inserted into the lowermost slot of the lower telescopic rod, and the telescopic rod is shortened to the shortest length. According to the elevation required by the process design, that is, the required length of the ruler, the buckle at the corresponding position of the upper telescopic rod is inserted into the slot at the corresponding position of the lower telescopic rod to obtain the process design elevation.

[0024] Example 1 like Figures 1 to 4 As shown, the aluminum alloy bottom plate 7 is circular, the slurry holes 8 are arranged as a plurality of concentric circular ring gaps 11 centered at the center of the aluminum alloy bottom plate, or as arc gaps 15 , and the telescopic rod is fixed between two concentric circular ring gaps 11 .

[0025] Further, if Figures 1 to 4As shown, the telescopic rod is a hollow rod, including an upper telescopic rod 12 and a lower telescopic rod 13. The diameter of the upper telescopic rod 12 is smaller than that of the lower telescopic rod 13. The upper telescopic rod 12 is inserted into the lower telescopic rod 13 and connected by a buckle. A plurality of buckles are evenly spaced one measurement unit at the bottom of the upper telescopic rod 12. The buckle is fixed to the bottom of the upper telescopic rod 12 through a first spring. One end of the first spring is fixed to the lower part of the upper telescopic rod 12, and the other end of the first spring is fixedly connected to the buckle. A slot is provided on the upper part of the lower telescopic rod 13. A plurality of the slots are evenly spaced one measurement unit at the upper part of the lower telescopic rod, and the positions and numbers of the slots and buckles correspond one to one.

[0026] Further, if Figures 1 to 4 As shown, the telescopic rod is a circular hollow rod, and a fixing hole 9 is arranged between the two concentric ring gaps. An internal thread is arranged in the fixing hole 9, and an external thread is arranged at the bottom end of the lower telescopic rod. The bottom of the lower telescopic rod is fixed in the fixing hole 9 by the combination of internal and external threads.

[0027] Further, if Figures 1 to 4 As shown, it also includes a tucking plate 10, which is fixed on the aluminum alloy bottom plate 7 around the lower telescopic rod 13, and the tucking plate 10 is fixedly connected to the lower telescopic rod 13.

[0028] Further, if Figures 1 to 4 As shown, there are four tucking plates 10, which are evenly spaced at a quarter arc and arranged around the lower telescopic rod 13 and fixed on the aluminum alloy base plate 7. The tucking plates 10 are aluminum alloy triangular plates, one side of which is welded and fixed to the aluminum alloy base plate 7, and the other side of the aluminum alloy triangular plate is welded and fixed to the lower telescopic rod 13.

[0029] In Example 2, the same parts as in Example 1 are not described again.

[0030] like Figure 2As shown, the lower part of the upper telescopic rod 12 is provided with a press buckle 14 through a second spring, and the upper part of the press buckle is provided with a circumferential press buckle 17 through a third spring. The top of the lower telescopic rod is concave inwardly 18, and the concave inwardly 18 is used to limit the circumferential press buckle 17. A plurality of slots 19 are evenly spaced one measurement unit apart on the upper part of the lower telescopic rod, and the upper telescopic rod and the lower telescopic rod are connected with the slots 19 through the press buckle 14. In this embodiment, the telescopic length of the telescopic rod is extended and retracted by the slots 19 corresponding to different positions of the press buckle 14 to achieve the telescopic change of the length of the telescopic rod. When the press buckle 14 is inserted into the uppermost slot 19 on the lower telescopic rod 13, the length of the telescopic rod reaches the longest; when the press buckle 14 is inserted into the lowermost slot 19 on the lower telescopic rod 13, the length of the telescopic rod reaches the shortest. According to the design elevation length, a slot 19 at a suitable position is selected, and the press buckle 14 is inserted into the slot 19 at a suitable position to obtain the design elevation length.

[0031] Further, if Figure 4 As shown, the telescopic rod is a square hollow rod, and the bottom end of the lower telescopic rod is welded and fixed between two concentric circular ring gaps 11.

[0032] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. A cast-in-place pile elevation control device, characterized in that: It comprises a ruler (1) and an aluminum alloy bottom plate (7), wherein the bottom end of the ruler (1) is fixed to the aluminum alloy bottom plate (7), a slurry hole (8) is provided on the aluminum alloy bottom plate (7), and the ruler (1) is a telescopic rod, on which the elevation dimension is sprayed.

2. The cast-in-place pile elevation control device according to claim 1, characterized in that: The aluminum alloy bottom plate (7) is circular, the slurry passage holes (8) are arranged as a plurality of concentric circular ring gaps (11) centered on the center of the aluminum alloy bottom plate, or as arc gaps (15), and the telescopic rod is fixed between two concentric circular ring gaps (11).

3. The cast-in-place pile elevation control device according to claim 2, characterized in that: The telescopic rod is a hollow rod, comprising an upper telescopic rod (12) and a lower telescopic rod (13); the diameter of the upper telescopic rod (12) is smaller than that of the lower telescopic rod (13); the upper telescopic rod (12) is inserted into the lower telescopic rod (13) for buckle connection; a plurality of buckles are evenly arranged at intervals of one measurement unit at the bottom of the upper telescopic rod (12); the buckles are fixed to the bottom of the upper telescopic rod (12) via a first spring; one end of the first spring is fixed to the bottom of the upper telescopic rod (12); the other end of the first spring is fixedly connected to the buckle; a slot is arranged on the top of the lower telescopic rod (13); a plurality of the slots are evenly arranged at intervals of one measurement unit at the top of the lower telescopic rod; and the positions and numbers of the slots and the buckles correspond one to one.

4. The cast-in-place pile elevation control device according to claim 3, characterized in that: A pressing buckle (14) is arranged at the lower part of the upper telescopic rod (12) via a second spring, and a circumferential pressing buckle (17) is arranged at the upper part of the pressing buckle via a third spring. The top end of the lower telescopic rod has an inwardly concave arc (18), and the inwardly concave arc (18) is used to limit the circumferential pressing buckle (17). A plurality of slots (19) are arranged at even intervals of one measurement unit at the upper part of the lower telescopic rod, and the upper telescopic rod and the lower telescopic rod are connected to each other via the pressing buckle (14) and the slots (19).

5. The cast-in-place pile elevation control device according to claim 3, characterized in that: The telescopic rod is a circular hollow rod, and a fixing hole (9) is provided between the two concentric circular ring gaps. An internal thread is provided in the fixing hole (9), and an external thread is provided at the bottom end of the lower telescopic rod. The bottom of the lower telescopic rod is fixed in the fixing hole (9) by the cooperation of the internal and external threads.

6. The cast-in-place pile elevation control device according to claim 3, characterized in that: The telescopic rod is a square hollow rod, and the bottom end of the lower telescopic rod is welded and fixed between two concentric circular gaps (11).

7. The cast-in-place pile elevation control device according to claim 4 or 5, characterized in that: It also includes a tuck plate (10), wherein the tuck plate (10) is fixed on the aluminum alloy bottom plate (7) around the lower telescopic rod (13), and the tuck plate (10) is fixedly connected to the lower telescopic rod (13).

8. The cast-in-place pile elevation control device according to claim 7, characterized in that: There are four tuck plates (10), which are evenly spaced at a quarter arc interval and arranged around the lower telescopic rod (13) and fixed to the aluminum alloy bottom plate (7). The tuck plates (10) are aluminum alloy triangular plates, one side of which is welded and fixed to the aluminum alloy bottom plate (7), and the other side of the triangular plate steel plate is welded and fixed to the lower telescopic rod (13).

9. A method for constructing a cast-in-place pile elevation control device according to claim 8, comprising the following steps: Step 1: Prepare the cast-in-place pile elevation control device, fix the scale on the aluminum alloy bottom plate, weld and fix the tuck plate around the scale, and set the slurry holes on the aluminum alloy bottom plate; Step 2, according to the design drawings, cast the bored piles, when the amount of poured concrete reaches the design requirements, adjust the ruler length of the bored pile elevation control device, so that the length of the ruler reaches the bored pile process design requirements elevation, put the bored pile elevation control device with the adjusted elevation into the bored pile, and perform bored pile elevation detection, the aluminum alloy bottom plate of the bored pile elevation control device passes through the mud in the bored pile due to its own weight to reach the cross section where the mud and the poured concrete meet, the poured concrete aggregate particles are too large to pass through the slurry holes of the aluminum alloy bottom plate, so the aluminum alloy bottom plate of the bored pile elevation control device stays on the poured concrete, at this time, the elevation of the bored pile can be measured by the bored pile elevation measuring device; Step 3: If the elevation of the bored pile reaches the elevation of the bored pile elevation control device, stop the bored pile concrete pouring; if the elevation of the bored pile does not reach the elevation of the bored pile elevation control device, continue the bored pile concrete pouring. During the pouring process, use the bored pile elevation control device to measure at any time until the bored pile elevation reaches the elevation of the bored pile elevation control device, and the bored pile concrete pouring is completed.

10. The method for constructing a cast-in-place pile elevation control device according to claim 9, characterized in that: In step 3, the ruler is a telescopic rod. The adjustment of the ruler length is displayed by adjusting the length of the telescopic rod. To extend the length of the telescopic rod, align the buckle at the lower end of the upper telescopic rod and insert it into the uppermost slot of the lower telescopic rod to extend the telescopic rod to the longest length. To shorten the length of the telescopic rod, align the buckle at the upper end of the upper telescopic rod and insert it into the lowermost slot of the lower telescopic rod to shorten the telescopic rod to the shortest length. According to the elevation required by the process design, that is, the length required by the ruler, align the buckle at the corresponding position of the upper telescopic rod and insert it into the slot at the corresponding position of the lower telescopic rod to obtain the process design elevation.

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