Pile core soil cleaning equipment and cleaning spray head

Abstract

The utility model provides pile core soil cleaning equipment and a cleaning spray head, which are convenient for washing pile core soil by using high-pressure water and can improve the cleaning cleanliness of a pile core, and relates to the technical field of building construction auxiliary equipment. The pile core soil cleaning spray head comprises a water inlet pipe and a spray cap arranged at the lower end of the water inlet pipe in a covering mode, the spray cap is in running fit with the water inlet pipe so as to rotate around the water inlet pipe, and a leakage-proof sealing ring is arranged between the spray cap and the water inlet pipe. At least one side nozzle capable of generating recoil force enabling the spray cap to rotate around the water inlet pipe is arranged on the periphery of the spray cap, and at least two downward lower nozzles are arranged on the end face of the spray cap. The pile core soil cleaning device is convenient to use, and pile core soil cleaning cleanliness and cleaning efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction auxiliary equipment, in particular to a pile core soil cleaning device and a cleaning nozzle. Background Art

[0002] Prefabricated pipe piles are used in engineering. Hammer pile sinking technology is mainly used for construction in fill strata. Pipe piles are used in foundation design. According to the specifications and project characteristics, the foundation pile core is generally designed to connect with the foundation pedestal within a depth of 1.5m to 3m from the top of the pile. During the construction process, due to the early construction time of the pile foundation project, after the construction of the prestressed hollow pipe piles is completed, earth excavation, temporary road construction on site, and foundation bottoming are required. Even if protective measures are taken, soil will still fall into the pile hole, resulting in a reduction in the anchor length of the reinforced concrete of the pile core anchor connection structure, which cannot meet the design requirements. In order to ensure the length of the reinforced concrete anchored in the pile core, it is necessary to quickly remove the soil that falls from the pile core and ensure construction safety.

[0003] The commonly used pile core soil cleaning equipment is a spiral excavator, such as: Patent No. CN217204084U discloses a new type of simple prefabricated pile core soil cleaning device. When using a spiral excavator to clean the pile core soil, there is a problem that the cleaning is not thorough and a lot of soil is left on the pipe wall.

[0004] Generally speaking, flushing soil with high-pressure water has the advantages of high efficiency, easy operation and clean cleaning. However, for pile core soil cleaning, because the pile core space is small and deep, directly inserting the high-pressure water pipe into the pile core for flushing and cleaning is inconvenient to use and difficult to control the water outlet direction of the water pipe. When used in pile core soil cleaning, it is not as convenient to operate and efficient as the spiral excavator. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a pile core soil cleaning device and a cleaning nozzle which can conveniently utilize high-pressure water to wash the pile core soil and improve the cleanliness of the pile core.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a pile core soil cleaning nozzle, including a water inlet pipe and a spray cap covered at the lower end of the water inlet pipe, the spray cap rotatably cooperates with the water inlet pipe to be able to rotate around the water inlet pipe, a leak-proof sealing ring is provided between the spray cap and the water inlet pipe, the outer periphery of the spray cap is provided with at least one side nozzle that can generate a recoil force that causes the spray cap to rotate around the water inlet pipe, and at least two downwardly arranged lower nozzles are provided on the end face of the spray cap.

[0007] Furthermore, there are at least three lower nozzles, including a central nozzle arranged at the rotation center of the end surface of the spray cap and at least two outer edge nozzles arranged around the central nozzle.

[0008] Furthermore, the outer edge nozzle is arranged obliquely outwardly relative to the axis of the spray cap.

[0009] Furthermore, the side nozzle is arranged along the tangential direction of the spray cap.

[0010] Furthermore, there are three side nozzles evenly distributed on the periphery of the spray cap.

[0011] Pile core soil cleaning equipment, including a submersible mud pump, a cleaning bracket and the above-mentioned pile core soil cleaning nozzle;

[0012] The cleaning bracket is provided with a vertically arranged pull rod, the submersible mud pump is downwardly mounted on the cleaning bracket, and the pile core soil cleaning nozzle is downwardly mounted on the cleaning bracket and is located below the submersible mud pump.

[0013] Furthermore, the pull rod adopts a telescopic rod structure with adjustable length.

[0014] Furthermore, it also includes a high-pressure pump for connecting to the water inlet pipe.

[0015] Furthermore, the water inlet of the submersible mud pump is provided with a water suction pipe whose lower end extends to below the pile core soil cleaning nozzle.

[0016] The beneficial effects of the utility model are as follows: the pile core soil cleaning equipment and cleaning nozzle of the utility model make it more convenient to use high-pressure water to flush the pile core soil. When flushing the soil in the pile core, the spray cap can automatically rotate to adjust the position. The spray cap can flush the soil below it as well as the soil around it. There is no need to rotate the water inlet pipe. Only the pile core soil cleaning nozzle needs to be slowly and vertically penetrated into the pipe pile to quickly and efficiently flush the soil in the pile core. It is easy to use and improves the cleanliness and cleaning efficiency of the pile core soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a pile core soil cleaning nozzle of the utility model;

[0018] Figure 2 yes Figure 1 A half-section view of

[0019] Figure 3 yes Figure 1 Bottom view of

[0020] Figure 4 It is a structural schematic diagram of the pile core soil cleaning equipment of the utility model;

[0021] As shown in the figure: a pile core soil cleaning nozzle 1, a submersible mud pump 2, a cleaning bracket 3, a water inlet pipe 11, a spray cap 12, a sealing ring 13, a side nozzle 121, a lower nozzle 122, a center nozzle 1221, an outer edge nozzle 1222, a pull rod 31, and a water suction pipe 32. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figures 1 to 3 As shown, the pile core soil cleaning nozzle 1 of the utility model comprises a water inlet pipe 11 and a spray cap 12 which is covered at the lower end of the water inlet pipe. The specific length of the water inlet pipe 11 is set as required. The spray cap 12 is rotatably matched with the water inlet pipe 11 so as to be able to rotate around the water inlet pipe 11. A leak-proof sealing ring 13 is provided between the spray cap 12 and the water inlet pipe 11. The outer periphery of the spray cap 12 is provided with at least one side nozzle 121 which can generate a recoil force for the spray cap 12 to rotate around the water inlet pipe 11. The end surface (top surface) of the spray cap 12 is provided with at least two downwardly arranged lower nozzles 122 for flushing and cleaning the pile core soil.

[0024] In order to ensure the cleaning effect and efficiency, Figure 2 and Figure 3 As shown, in this practical embodiment, there are at least three lower nozzles 122, including a central nozzle 1221 arranged at the rotation center of the end face of the spray cap 12 and a plurality of outer edge nozzles 1222 arranged around the central nozzle 1221. The outer edge nozzles 1222 can be any number of two or more, and are generally set according to the aperture sizes of the outer edge nozzles 1222 and the central nozzles 1221. The smaller the apertures of the outer edge nozzles 1222 and the central nozzles 1221, the greater the number of outer edge nozzles 1222. The outer edge nozzles 1222 can be arranged on the same concentric ring, or they can be arranged on concentric rings of different radii. The outer edge nozzles 1222 can be set vertically downward, or they can be set obliquely downward. In the utility model, preferably, the outer edge nozzles 1222 are arranged obliquely outward relative to the axis of the spray cap 12. The above structure can not only ensure the flushing and cleaning effect and efficiency of the pile core soil cleaning nozzle 1, but also, compared with other methods, under the premise that the water pressure is satisfied, the lower nozzle 122) is tilted outward relative to the axis of the spray cap 12, which can improve the coverage of the pile core soil cleaning nozzle 1, so that it can be applied to the cleaning of the core soil of pipe piles within a certain inner diameter range, that is, the application range of the pile core soil cleaning nozzle 1 can be wider. The specific outward tilt angle of the outer edge nozzle 1222 can be set arbitrarily, generally not exceeding 45°.

[0025] When the outer edge nozzles 1222 are arranged at a higher density, in some embodiments, the central nozzle 1221 is not arranged on the spray cap 12 .

[0026] When the utility model is used, the water inlet pipe 11 is connected to the water outlet pipe of the high-pressure pump. If the water outlet pipe of the high-pressure pump is a steel pipe, the pile core soil cleaning nozzle 1 can be directly passed through the steel pipe to gradually penetrate vertically into the pipe pile; if the water outlet pipe of the high-pressure pump is a hose, the pile core soil cleaning nozzle 1 can be fixed downward at the end of a vertical rod, and the pile core soil cleaning nozzle 1 can be controlled to penetrate into the pipe pile through the vertical rod. During cleaning, high-pressure water enters the spray cap 12 through the water inlet pipe 11, and then sprays out at high speed through the lower nozzle 122 and the side nozzle 121. The lower nozzle 122 flushes the soil in the pile core to loosen it to form mud, and the side nozzle 121 can not only flush the soil on the outside of the spray cap 12 and the pile wall, but also generate a recoil force that rotates around the water inlet pipe 11. The recoil force can make the spray cap 12 rotate relative to the water inlet pipe 11, so that the positions of the side nozzle 121 and the lower nozzle 122 change, and different positions can be flushed, so that the soil in the pile core can be quickly and efficiently flushed down and formed into smaller particles, so that it is suspended in the water to form mud, which is convenient for its discharge. The discharge of the mud can be discharged specifically by a mud pump. The pile core soil cleaning nozzle 1 of the utility model makes it more convenient to use high-pressure water to flush the pile core soil. When flushing the soil in the pile core, the spray cap 12 can automatically rotate to adjust the position. The spray cap 12 can flush the soil below it and the soil around it. There is no need to rotate the water inlet pipe 11, that is, there is no need to constantly adjust and control the water outlet direction of the high-pressure water. It only needs to slowly vertically penetrate the pile core soil cleaning nozzle 1 into the pipe pile to quickly and efficiently flush the soil in the pile core. It is easy to use and improves the cleanliness and cleaning efficiency of the pile core soil.

[0027] Specifically, the side nozzles 121 can be arranged along the tangential direction of the spray cap 12, so as to generate the side nozzles 121 that can generate the recoil force that rotates around the water inlet pipe 11. In some embodiments, the side nozzles 121 can also be inclined at a certain angle relative to the tangential direction of the spray cap 12, that is, they are arranged roughly along the tangential direction of the spray cap 12. The number of side nozzles 121 can be 1 or any number above 1, and the arrangement method is generally uniformly distributed on the outer periphery of the spray cap 12. In the embodiment of the utility model, there are three side nozzles 121 and they are uniformly distributed on the outer periphery of the spray cap 12.

[0028] like Figure 4 As shown, the utility model also provides a pile core soil cleaning device, including a submersible mud pump 2, a cleaning bracket 3 and the above-mentioned pile core soil cleaning nozzle 1. The cleaning bracket 3 is provided with a vertically arranged pull rod 31, the submersible mud pump 2 is downwardly mounted on the cleaning bracket 3, so that its water inlet is at its lowest point, the pile core soil cleaning nozzle 1 is downwardly mounted on the cleaning bracket 3, so that the spray cap 12 is downward, and the pile core soil cleaning nozzle 1 is located below the submersible mud pump 2.

[0029] When the pile core soil cleaning device of the utility model is used, the outlet pipe of the high-pressure pump is connected to the water inlet pipe 11 of the pile core soil cleaning nozzle 1, the outlet of the submersible mud pump 2 is connected to the outlet pipe, the cleaning device is placed in the pipe pile through the pull rod 31, and the placement depth of the device is controlled. When flushing, the high-pressure pump is first turned on, and the high-pressure water enters the spray cap 12 through the water inlet pipe 11, and then is sprayed out at high speed through the lower nozzle 122 and the side nozzle 121. The lower nozzle 122 flushes the soil in the pile core to loosen it to form mud, and the side nozzle 121 can not only flush the soil on the outside of the spray cap 12 and the pile wall, but also can generate a recoil force to rotate around the water inlet pipe 11. The recoil force can cause the spray cap 12 to rotate relative to the water inlet pipe 11, thereby changing the positions of the side nozzle 121 and the lower nozzle 122, flushing different positions, and then quickly and efficiently flushing the soil in the pile core and forming smaller particles, which are suspended in the water to form mud. When the mud in the pipe pile reaches a certain level, the submersible mud pump 2 can be started to discharge the mud. After the mud is discharged, the submersible mud pump 2 can be started again to perform the next cycle of flushing operations until the mud in the pipe pile is cleaned. In some embodiments, if the pressure of the high-pressure pump is large enough, the high-pressure pump is also used to pump water to flush the soil in the pipe pile while the submersible mud pump 2 discharges the mud.

[0030] In some embodiments, the pile core soil cleaning device is further provided with a high-pressure pump (not shown) for connecting to the water inlet pipe 11. The high-pressure pump is generally connected to the water inlet pipe 11 through a hose.

[0031] In order to facilitate the folding and unfolding, in the utility model, the pull rod 31 adopts a telescopic rod structure with adjustable length. That is, the pull rod 31 is formed by a plurality of pull rod sections plugged in in sequence, and a locking mechanism is provided between adjacent pull rod sections to lock the relative position relationship between adjacent pull rod sections. The locking mechanism can specifically be a screw, a spring pin, etc. In this way, the pull rod 31 can be shortened when not in use, and can be gradually extended as needed when in use to adjust the position of the cleaning equipment (the depth in the pile).

[0032] In the embodiment of the utility model, the water inlet of the submersible mud pump 2 is provided with a water suction pipe 32 whose lower end extends to below the pile core soil cleaning nozzle 1. In this way, the water in the pipe pile can be pumped shallower during pumping, which is more convenient for the next circulating pile core soil cleaning nozzle to flush the soil in the pipe pile. The lower end of the water suction pipe 32 generally extends to 5 to 20 mm below the pile core soil cleaning nozzle 1.

Claims

1. Pile core soil cleaning nozzle, characterized by: The invention comprises a water inlet pipe (11) and a spray cap (12) which is arranged at the lower end of the water inlet pipe, wherein the spray cap (12) is rotatably matched with the water inlet pipe (11) so as to be able to rotate around the water inlet pipe (11), a leak-proof sealing ring (13) is arranged between the spray cap (12) and the water inlet pipe (11), at least one side nozzle (121) is arranged on the outer periphery of the spray cap (12) and can generate a recoil force causing the spray cap (12) to rotate around the water inlet pipe (11), and at least two downwardly arranged lower nozzles (122) are arranged on the end surface of the spray cap (12).

2. The pile core soil cleaning nozzle according to claim 1, characterized in that: There are at least three lower nozzles (122), including a central nozzle (1221) arranged at the rotation center of the end surface of the spray cap (12) and at least two outer edge nozzles (1222) arranged around the central nozzle (1221).

3. The pile core soil cleaning nozzle according to claim 2, characterized in that: The outer edge nozzle (1222) is arranged obliquely outwardly relative to the axis of the spray cap (12).

4. The pile core soil cleaning nozzle according to claim 1, characterized in that: The side nozzle (121) is arranged along the tangential direction of the spray cap (12).

5. The pile core soil cleaning nozzle according to claim 1 or 4, characterized in that: There are three side nozzles (121) evenly distributed on the outer circumference of the spray cap (12).

6. Pile core soil cleaning equipment, characterized by: It comprises a submersible mud pump (2), a cleaning bracket (3) and a pile core soil cleaning nozzle (1) as claimed in any one of claims 1 to 5; The cleaning bracket (3) is provided with a vertically arranged pull rod (31), the submersible mud pump (2) is installed on the cleaning bracket (3), and the pile core soil cleaning nozzle (1) is installed downward on the cleaning bracket (3) and is located below the submersible mud pump (2).

7. The pile core soil cleaning device according to claim 6, characterized in that: The pull rod (31) adopts a telescopic rod structure with adjustable length.

8. The pile core soil cleaning device according to claim 6, characterized in that: It also includes a high-pressure pump for connecting to the water inlet pipe (11).

9. The pile core soil cleaning device according to claim 6 or 8, characterized in that: The water inlet of the submersible mud pump (2) is provided with a water suction pipe (32) whose lower end extends to below the pile core soil cleaning nozzle (1).

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