Device for measuring underwater concrete pouring height of cast-in-place pile

Abstract

The utility model relates to a cast-in-place pile underwater concrete pouring height measuring device which comprises an assembly type gravity hammer, a multi-cavity cylinder body, a wireless pressure box and a water storage bag, the multi-cavity cylinder body comprises an outer cylinder body and an inner cylinder body, and the wireless pressure box is arranged on the outer side of the outer cylinder body; a base is arranged at the bottom of the multi-cavity cylinder body, and the lower end of the base is connected with an assembly type gravity hammer. An inner cavity is formed in the inner barrel, and a water storage bag is installed in the inner cavity. A water valve is arranged at the top of the water storage bag and connected with a water pipe which is connected with a water pump. The volume weight of the device can be changed through the water storage amount in the water storage bag, the device is suitable for cast-in-place piles with different concrete strengths, the interface elevation of a slurry layer, a slurry concrete mixing layer and a concrete layer is accurately recognized through data of the wireless pressure box on the outer surface, and therefore dynamic measurement of the underwater concrete pouring height of the cast-in-place piles is achieved. The technical and economic benefits are obvious.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cofferdam construction technical field, concretely relates to a steel sheet pile cofferdam structure. BACKGROUND

[0002] The construction quality of the cast-in-place pile plays a vital role in the stability and safety of the whole engineering structure, and the accurate control of the concrete pouring elevation is one of the key links to ensure the construction quality of the cast-in-place pile. The traditional method for measuring the concrete pouring elevation of the cast-in-place pile is easily disturbed by the mixed layer between the concrete and the mud, so that it is difficult to quickly and accurately measure the height of the concrete surface layer by the sounding weight; at the same time, the traditional method cannot realize real-time and continuous monitoring, and can only be measured at a specific stage of concrete pouring, which leads to the fact that once the deviation of the pouring elevation is found, the best adjustment opportunity may have been missed, thereby affecting the overall quality of the cast-in-place pile.

[0003] Therefore, how to accurately measure the height of the concrete surface layer in different specific gravity mixtures in real time to control the concrete pouring speed is a problem to be solved in the construction process of the cast-in-place pile. The application provides a cast-in-place pile underwater concrete pouring height measuring device, which can realize dynamic measurement of the underwater concrete pouring height of the cast-in-place pile. SUMMARY

[0004] The utility model discloses a kind of cast-in-place pile underwater concrete pouring height measuring devices of real-time high efficiency, to solve the deficiencies in prior art.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme: a cast-in-place pile underwater concrete pouring height measuring device, including assembly type gravity hammer, multi-chamber barrel body, wireless pressure box, water storage bag, the multi-chamber barrel body includes outer cylinder, inner cylinder, and the outer side of the outer cylinder is provided with wireless pressure box;Multi-chamber barrel body bottom is provided with base, and the lower end of the base is connected with assembly type gravity hammer;Inner cylinder is provided with internal chamber, and the internal chamber is installed with water storage bag;Water valve is arranged on the top of water storage bag, and water valve is connected with water pipe, and water pipe is connected with water pump.

[0006] Preferably, the outer side of the outer cylinder is uniformly distributed with a plurality of outer wall chambers, and the wireless pressure box is arranged in the outer wall chambers.

[0007] Preferably, the outer side of the outer cylinder is uniformly arranged with six outer wall chambers, and the interval angle between the adjacent two outer wall chambers is 60 degrees.

[0008] Preferably, the assembly type gravity hammer and the base are connected and fixed by a through anchor rod.

[0009] As preferred, the assembled gravity hammer is provided with a first connecting hole, and the base is provided with a second connecting hole corresponding to the first connecting hole; when the assembled gravity hammer is connected with the base, the through anchor rod passes through the first connecting hole and the second connecting hole at the same time.

[0010] As preferred, the top of the multi-chamber barrel is provided with an ear, the ear is connected with a lifting rope, and the lifting rope is connected with a winch.

[0011] The utility model has the following characteristics and beneficial effects:

[0012] (1) The utility model can select the assembled gravity hammer matched with the concrete bulk density to work, and the water storage capacity of the water storage bag can be used to further dynamically adjust the bulk density during the work, so that the utility model is suitable for the determination of the underwater concrete pouring height of the cast-in-place pile in different concrete strengths and different media, has a wide application range and is easy to operate.

[0013] (2) The utility model can accurately identify the interface elevation between the layers according to the different lateral pressures generated by the mud layer, the mud concrete mixed layer and the concrete layer due to different bulk densities, so that the high-precision real-time determination of the underwater concrete pouring height of the cast-in-place pile is realized, the working efficiency is high, and the data is stable and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structure schematic view of the cast-in-place pile underwater concrete pouring height determination device.

[0015] Figure 2 is Figure 1 A-A sectional view in the figure.

[0016] Figure 3 is a working schematic view of the cast-in-place pile underwater concrete pouring height determination device.

[0017] The figure mark explanation: 1-lifting rope; 2-water pipe; 3-chamber outer wall; 4-wireless pressure box; 5-chamber inner wall; 6-base; 7-through anchor rod; 8-assembled gravity hammer; 9-ear; 10-water valve; 11-water storage bag; 12-water; 13-hopper; 14-mud layer; 15-mud concrete mixed layer; 16-foundation soil; 17-water pump; 18-winch; 20-conduit; 21-concrete layer. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art belong to the protection scope of the utility model.

[0019] As Figures 1-2 , the pouring pile underwater concrete pouring height measuring device, including the assembled gravity hammer 8, base 6, multi-chamber barrel, wireless pressure box 4, water storage bag 11, multi-chamber barrel includes outer cylinder 3, inner cylinder 5, inner cylinder 5 is arranged in the inside of outer cylinder 3, the outside of outer cylinder 3 is provided with wireless pressure box 4. Multi-chamber barrel bottom is provided with base 6, the lower end of base 6 is connected with assembled gravity hammer 8. The wireless pressure box 4 used in the present application is prior art, and can be specifically seen from the utility model patent with the publication number CN 211042555 U and the name of a wireless three-dimensional soil pressure box.

[0020] Wherein, the inner cylinder 5 is provided with an internal chamber, and the water storage bag 11 is installed in the internal chamber. The outer side of the outer cylinder 3 is uniformly distributed with a plurality of outer wall chambers, and the wireless pressure box 4 is arranged in the outer wall chamber. In the embodiment, the outer side of the outer cylinder 3 is uniformly arranged with six outer wall chambers, and the interval angle between the adjacent two outer wall chambers is 60 degrees.

[0021] Further, the assembled gravity hammer 8 is in a conical structure, and the assembled gravity hammer 8 can be selected in multiple sizes. The assembled gravity hammer 8 and the base 6 are connected and fixed through the through anchor rod 7. Wherein, the first connecting hole is arranged on the assembled gravity hammer 8, and the second connecting hole corresponding to the first connecting hole is arranged on the base 6; when the assembled gravity hammer 8 is connected with the base 6, the through anchor rod 7 passes through the first connecting hole and the second connecting hole at the same time.

[0022] The top of the multi-chamber barrel is provided with an ear 9. The ear 9 is connected with a lifting rope 1, and the lifting rope 1 is connected with a winch 18. The movement of the multi-chamber barrel in the concrete is controlled through the winch 18.

[0023] Further, the water valve 10 is arranged on the top of the water storage bag 11, the water pipe 2 is connected with the water valve 10, and the water pipe 2 is connected with the water pump 17. The water storage bag 11 is filled with water or pumped through the water pump 17 and the water pipe 2, so as to adjust the water storage capacity of the water storage bag 11.

[0024] As Figure 3As shown, during the construction of the cast-in-place pile, concrete is poured into the foundation pit of the foundation soil 16 through the guide pipe 20, forming a concrete layer 21 at the bottom of the pit. Above the concrete layer 21 is a mud-concrete mixture layer 15, and above the mud-concrete mixture layer 15 is a mud layer 14. A hopper 13 is provided at the upper end of the guide pipe 20. The underwater concrete pouring height measuring device of the cast-in-place pile is lowered into the pit by the winch 18 and the hoisting rope 1. The lateral pressure is measured by the wireless pressure box 4. Due to the different lateral pressures generated by the different densities of the mud layer 14, the mud-concrete mixture layer 15 and the concrete layer 21, the data obtained by the wireless pressure box 4 on the outer surface of the multi-chamber cylinder can accurately identify the interface elevation between each layer, thereby realizing high-precision real-time measurement of the underwater concrete pouring height of the cast-in-place pile.

[0025] This utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A device for measuring the height of underwater concrete pouring of a cast-in-place pile, characterized in that, The utility model relates to a water conservancy equipment, including assembly type gravity hammer (8), multi -chamber cylinder body, wireless pressure box (4), water storage bag (11), multi -chamber cylinder body includes outer cylinder (3), inner cylinder (5), the outside of outer cylinder (3) is provided with wireless pressure box (4);Multi -chamber cylinder body bottom is provided with base (6), and the lower end of base (6) is connected with assembly type gravity hammer (8);Inner cylinder (5) is provided with internal chamber, and internal chamber is installed with water storage bag (11);Water storage bag (11) top is provided with water valve (10), and water valve (10) is connected with water pipe (2), and water pipe (2) is connected with water pump (17).

2. The device for measuring the height of underwater concrete pouring of a cast-in-place pile according to claim 1, characterized in that, The outer side of the outer cylinder (3) is uniformly distributed with a plurality of outer wall cavities, and the wireless pressure box (4) is arranged in the outer wall cavities.

3. The device for measuring the height of underwater concrete pouring of a cast-in-place pile according to claim 2, characterized in that, The outer side of the outer cylinder (3) is uniformly arranged with six outer wall cavities, and the interval angle between adjacent two outer wall cavities is 60 degrees.

4. The device for measuring the height of underwater concrete pouring of a cast-in-place pile according to claim 1, characterized in that, The assembly type gravity hammer (8) and the base (6) are connected and fixed through the through anchor rod (7).

5. The device for measuring the height of underwater concrete pouring of a cast-in-place pile according to claim 4, characterized in that, The assembly type gravity hammer (8) is provided with a first connecting hole, and the base (6) is provided with a second connecting hole corresponding to the first connecting hole; when the assembly type gravity hammer (8) is connected with the base (6), the through anchor rod (7) passes through the first connecting hole and the second connecting hole at the same time.

6. The device for measuring the height of underwater concrete pouring of a cast-in-place pile according to claim 1, characterized in that, The top of the multi-chamber cylinder body is provided with an ear (9), the ear (9) is connected with a lifting rope (1), and the lifting rope (1) is connected with a winch (18).

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