TW201927128A - Impact typed high-pressure hydraulic digging device for forming cylindrical holes in soil characterized in that the hollow portion is used to lead in sand-containing water and to mix it with a strong water jet so as to enhance impacting force and digging effect - Google Patents

Abstract

An impact typed high-pressure hydraulic digging device for forming cylindrical holes in soil, which includes: a nozzle used to be connected to the bottom end of an ejecting tube and equipped with a water outlet used to eject a strong water jet; and an impacting head having a cylinder sleeve shape and jointed to the nozzle, wherein the impacting head has a cylinder-shaped body which extends beyond the end of the nozzle by a predetermined length, and defines an opening of the cylinder-shaped body as an ejecting hole used to outwards eject the strong water jet, the end of the cylinder-shaped body is equipped with a breaking portion used to contact and impact soil; the cylinder-shaped body is installed with at least one penetrating hollow portion from a side surface toward the interior thereof. The hollow portion is used to lead in sand-containing water and to mix it with the strong water jet, thereby achieving the effect of enhancing impacting force and making the digging effect better.

Description

Impact type high-pressure hydraulic excavation device for forming columnar holes in soil

The invention relates to an impact type high-pressure hydraulic excavating device for forming columnar holes in soil.

The Republic of China I581699 patent discloses an impact-type high-pressure hydraulic excavation device for forming columnar cavities in the soil where trees are grown. This case has detailed in the prior art why the soil needs to be excavated from columnar cavities in order to improve the soil environment. Provides large soil particle pores, continuous soil gap, and deep effective pores, so that the roots of the trees can grow in an environment with good oxygen and water content, so that the trees can grow. The case also cites several prior techniques that illustrate the prior art improvements in soil in a pneumatic, mechanical, and hydraulic manner, however, some of which are missing to be improved.

The aforementioned patent of the Republic of China I581699 has the technical features of a nozzle, a nozzle, and the main technical feature is that it has an impact head, which uses the breaking portion at the front end of the impact head to impact the soil, and uses the exit hole at the center of the impact head to emit strong force. Water jets flood the soil to form a columnar hole that can reach the hard disk layer of the soil. Although the technology of this case can achieve the purpose of excavating columnar cavities, however, the powerful water jet ejected from it is only a simple water column. If the mud sand can be mixed in the process of spraying, it will help to improve the efficiency of digging holes.

The main object of the present invention is to provide an impact type high-pressure hydraulic excavating device for forming columnar cavities in soil, which can introduce mud sand from the side of the impact head when flushing out the strong water jet, and further mix with the strong water jet to make the punch The powerful water jet has muddy sand and has a stronger impulse, which further helps to improve the efficiency of digging holes.

In order to achieve the above object, the present invention provides an impact type high-pressure hydraulic excavation device for forming a columnar hole in soil, comprising: a nozzle for connecting to a bottom end of a nozzle, the nozzle having a water outlet for discharging strong force a water jet; and an impact head coupled to the spray head in a sleeve shape, the impact head having a cylindrical body extending beyond the tip end of the spray head by a predetermined length, and defining the opening of the tubular body as an exit hole For injecting the strong water jet outwardly, the end of the tubular body has a breaking portion for contacting and impacting the soil; the cylindrical body is provided with at least one hollow portion penetrating from the side inward. The at least one hollow portion has a hole shape and is closed around.

In addition, the present invention also provides an impact high-pressure hydraulic excavation device for forming a columnar hole in the soil, comprising: a nozzle for connecting to a bottom end of a nozzle, the nozzle having a water outlet for discharging strong water a jet head; and an impact head coupled to the spray head in a sleeve shape, the impact head having a cylindrical body extending beyond the tip end of the spray head by a predetermined length, and defining the opening of the tubular body as an exit hole, For ejecting the strong water jet outwardly, the end of the tubular body has a striking portion for contacting and impacting the soil; the cylindrical body is provided with at least one hollow portion penetrating from the side inward, the The at least one hollow portion has a long trough shape and extends from the side of the tubular body to the end, and the end of the at least one hollow portion is open, and the end of the at least one hollow portion is not larger than the at least one hollow The caliber of other parts of the department.

By the excavating device provided by the above invention, the hollow portion can be introduced into the exit hole by the hollow portion, and further mixed with the strong water jet, so that the strong water jet that is punched out has muddy sand and is stronger. The impulse is further helpful in improving the efficiency of digging holes.

In order to explain the technical features of the present invention in detail, the preferred embodiments of the present invention are described in the following description, in which .

As shown in FIG. 1 to FIG. 3, an impact type high-pressure hydraulic excavation device 10 for forming a columnar hole in a soil according to a first preferred embodiment of the present invention is mainly composed of a nozzle 21 and an impact head 31. ,among them:

The nozzle 21 is connected to a bottom end of a nozzle 11 , and the nozzle is connected to a high-pressure water source 12 . The nozzle 21 has a water outlet 22 through which water supplied from the high-pressure water source 12 reaches the nozzle 11 . After the nozzle 21, it is used to spray a strong water jet. The spray head 21 has a joint 24 which may be threaded in practice.

The impact head 31 is sleeve-shaped and detachably coupled to the head 21, and the impact head 31 has a cylindrical body portion 35 extending beyond a predetermined length of the end of the head 21, and the barrel body 35 is The opening is defined as an exit hole 36 for ejecting the strong water jet. The end of the cylindrical body 35 has a breaking portion 37 for contacting and impacting the soil, and the breaking portion 37 can be in various forms. The changes are as set forth in Patent No. I581699 and will not be repeated here. The impact head 31 has a pair of connecting portions 32, which may be threaded in actual implementation. In the state of the thread, the abutting portion 32 and the joint portion 24 are slidably coupled to be detachable, thereby combining the impact head 31. In the nozzle 21, the aforementioned manner of screwing is merely an example, and is not limited to this manner. In addition, the diameter of the exit hole 36 of the impact head 31 can be designed to be larger than the diameter of the water outlet 22, thereby facilitating the ejection of the strong water jet.

The tubular body portion 35 is provided with a plurality of hollowed-out portions 38 penetrating inwardly from the side surface, and each of the hollow portions 38 has a hole shape and is closed around. The number of the hollow portions 38 may be one or more, and the effect of the plurality of hollow portions 38 may be better. Further, the hollow portions 38 may be circular holes or other shapes of holes, such as square holes or polygonal holes or Irregularly shaped holes. The primary function of these hollow portions 38 is to allow muddy sand to enter the exit aperture 36 from the outside.

The architecture of the first embodiment has been described above, and the operational state of the first embodiment will be described next.

Please refer to FIG. 4 in conjunction with FIGS. 1 to 3. When the hole is to be excavated into the soil, the impact head 31 of the present invention is placed on the surface of the soil, and the high-pressure water source 12 is turned on, and the nozzle 21 is sprayed with a high pressure. The water jet is strong and impacts on the surface of the soil. In addition, the user can also face the nozzle 11 to impact downward, so that the breaking portion 37 at the end of the cylindrical body 35 impacts the soil, impacts on the water to soften the soil and breaks Part 37 physical impact under the double force of crushing the hardened soil, the soil surface can be easily excavated downward into a deep cavity 91 (shown in Figure 5), thereby allowing the impact head 31 to penetrate down to The hole 91 is in the hole.

As shown in FIG. 5, when the impact head 31 enters the hole 91 until the depth of the plurality of hollow portions can enter the hole 91, the strong water jet is flushed outward from the exit hole 36. In effect, the water mixed with the muddy sand in the hole 91 enters the exit hole 36 from the outside of the impact head 31 via the plurality of hollow portions, and merges with the strong water jet to rush out of the exit hole 36. Thereby, the flushed water can be mixed with muddy sand, and the water flow mixed with the solid matter has a stronger impulse than the liquid flow of the simple liquid, so that the soil can be more effectively pulsated and softened. Improve the efficiency of the excavation hole 91.

As shown in Fig. 6, after continuously digging down, a columnar hole 91 deep into the soil hard disk layer can be formed. As for the advantageous effect of the columnar hole 91 on the tree and the time it can be maintained, it can also be referred to the invention description of the patent No. I581699, which will not be repeated here.

As shown in FIG. 7, the head 21 and the impact head 31 disclosed in the first embodiment can be integrally formed in the implementation, instead of being assembled by disassembling the two components. This approach makes manufacturing simpler and more cost effective.

Referring to Figures 8 to 10, an impact type high-pressure hydraulic excavation device 10' for forming a columnar hole in soil according to a second preferred embodiment of the present invention is mainly similar to the first embodiment disclosed above. It is:

The plurality of hollow portions 38' are not in the shape of a hole, but have a long groove shape and extend from the side surface of the tubular body portion 35' to the end, and the ends of the hollow portions 38' are open, and each of the hollow portions 38 is open. The end of the 'caliber' is not larger than the caliber of other portions of the hollow portion 38', that is, the same or smaller than the caliber of other portions. The technical feature that this end section is not larger than the other section caliber is mainly for reducing the amount of mud sand entering from the end of the cylindrical body portion 35' to the exit hole 36'. Since the position where the muddy sand enters the exit hole 36' is as far as possible from the end of the cylindrical body 35', the mud sand can be allowed to stay in the exit hole 36' for a longer period of time, thereby making the mud sand The better the condition of mixing into the strong water jet, the greater the diameter of the end section of each of the hollow portions 38' will cause the amount of muddy sand to enter at the end position, which will be at the end. The formation of muddy sand water blocks the effect of water flow. The caliber of each of the hollow portions 38' of the second embodiment is not larger than the caliber of the other portions, and it is ensured that the above problem does not occur.

As shown in Fig. 7, each of the hollow portions 38' has a straight groove shape and the groove widths thereof are uniform. In this case, the diameter of the end portion of each of the hollow portions 38' is the same as that of the other portions, and the mud sand may be allowed to enter the exit hole 36 from the outside of the cylindrical body portion 35' by the plurality of hollow portions 38' during use. 'Inner, and then mixed with the strong water jet to punch out the exit hole 36', has better mining effect than the prior art.

As shown in Fig. 8, it is another deformed state of the hollow portion 38', wherein each of the hollow portions 38' has a curved long groove shape and the groove width is also uniform. This structure can also achieve better mining results than the prior art.

As shown in Fig. 9, it is a further deformed state of the hollow portion 38', wherein the width of each of the hollow portions 38' is the closer to the end. This structure can also achieve better mining results than the prior art.

The remaining structure of the second embodiment and the achievable effects are the same as those of the first embodiment, and will not be further described.

10‧‧‧ Impact high-pressure hydraulic excavation device for forming columnar holes in soil

11‧‧‧ nozzle

12‧‧‧High-pressure water source

21‧‧‧ sprinkler

22‧‧‧Water outlet

24‧‧‧Combination Department

31‧‧‧ impact head

32‧‧‧Docking Department

35‧‧‧Cylindrical body

36‧‧‧Outlet

37‧‧‧Break Department

38‧‧‧镂空部

10'‧‧‧ Impact high-pressure hydraulic excavation device for forming columnar holes in soil

35’‧‧‧Body body

36’‧‧‧Outlet

38’‧‧‧镂空部

91‧‧‧ holes (columnar holes)

Figure 1 is a perspective view of a first preferred embodiment of the present invention. Fig. 2 is a cross-sectional view taken along line 2-2 of Fig. 1. Figure 3 is a cross-sectional view taken along line 3-3 of Figure 2; Figure 4 is a schematic view showing the operation of the first preferred embodiment of the present invention. Figure 5 is a schematic view showing still another operation of the first preferred embodiment of the present invention. Figure 6 is a schematic view showing still another operation of the first preferred embodiment of the present invention. Figure 7 is a cross-sectional view showing another embodiment of the first preferred embodiment of the present invention. Figure 8 is a schematic cross-sectional view showing a second preferred embodiment of the present invention. Figure 9 is a schematic cross-sectional view showing a second preferred embodiment of the present invention. Figure 10 is a further cross-sectional view showing a second preferred embodiment of the present invention.

Claims (14)

An impact type high-pressure hydraulic excavation device for forming a columnar hole in a soil, comprising: a nozzle for connecting to a bottom end of a nozzle, the nozzle having a water outlet for discharging a strong water jet; and an impact head; Bonded to the spray head, the impact head has a cylindrical body extending beyond the tip end of the spray head by a predetermined length, and the opening of the tubular body is defined as an exit hole for the strong water spray The flow is outwardly ejected, and the end of the tubular body has a breaking portion for contacting and impacting the soil; and the tubular body is provided with at least one hollow portion penetrating from the side inward, the at least one hollowed out The part is in the shape of a hole and is closed around. An impact type high-pressure hydraulic excavation device for forming a columnar hole in a soil according to the first aspect of the patent application, wherein: the at least one hollow portion is plural, and each of the hollow portions has a circular hole shape. An impact type high-pressure hydraulic excavating device for forming a columnar hole in a soil according to the first aspect of the patent application, wherein: the impact head is detachably coupled to the nozzle, the nozzle has a joint; the impact head has a a docking portion for coupling to the joint portion. An impact type high-pressure hydraulic excavating device for forming a columnar hole in a soil according to the first aspect of the patent application, wherein the joint portion and the abutting portion are threaded. An impact type high-pressure hydraulic excavating device for forming a columnar hole in soil according to the first aspect of the patent application, wherein the impact head is integrally formed with the nozzle. An impact type high-pressure hydraulic excavation device for forming a columnar hole in a soil according to the first aspect of the patent application, wherein: the diameter of the exit hole is larger than the diameter of the water outlet. An impact type high-pressure hydraulic excavation device for forming a columnar hole in a soil, comprising: a nozzle for connecting to a bottom end of a nozzle, the nozzle having a water outlet for discharging a strong water jet; and an impact head; Bonded to the spray head, the impact head has a cylindrical body extending beyond the tip end of the spray head by a predetermined length, and the opening of the tubular body is defined as an exit hole for the strong water spray The flow is outwardly ejected, and the end of the tubular body has a breaking portion for contacting and impacting the soil; and the tubular body is provided with at least one hollow portion penetrating from the side inward, the at least one hollowed out The portion is elongated and extends from the side of the tubular body to the end, and the end of the at least one hollow portion is open, and the end of the at least one hollow portion is not larger than the other of the at least one hollow portion. Location caliber. An impact type high-pressure hydraulic excavating device for forming a columnar hole in a soil according to the seventh aspect of the patent application, wherein: the impact head is detachably coupled to the nozzle, the nozzle has a joint; the impact head has a a docking portion for coupling to the joint portion. An impact type high-pressure hydraulic excavating device for forming a columnar hole in a soil according to the eighth aspect of the patent application, wherein the joint portion and the abutting portion are threaded. An impact type high-pressure hydraulic excavating device for forming a columnar hole in a soil according to the seventh aspect of the patent application, wherein the impact head is integrally formed with the nozzle. An impact type high-pressure hydraulic excavation device for forming a columnar hole in soil according to the seventh aspect of the patent application, wherein: the diameter of the exit hole is larger than the diameter of the water outlet. An impact type high-pressure hydraulic excavating device for forming a columnar hole in a soil according to the seventh aspect of the patent application, wherein: the at least one hollow portion is plural, each of the hollow portions has a linear long groove shape, and the groove width thereof is Consistent. An impact type high-pressure hydraulic excavating device for forming a columnar hole in a soil according to the seventh aspect of the patent application, wherein: the at least one hollow portion is plural, each of the hollow portions has a curved long groove shape, and the groove width thereof is Consistent. An impact type high-pressure hydraulic excavating device for forming a columnar hole in soil according to the seventh aspect of the patent application, wherein: the at least one hollow portion is plural, each of the hollow portions is long grooved, and the groove width is more The smaller the end, the smaller.