CN109235433B

CN109235433B - Quick piling construction machine for soft soil highway base

Info

Publication number: CN109235433B
Application number: CN201811161145.4A
Authority: CN
Inventors: 黄伟彬
Original assignee: Taizhou Jiuda Foundation Engineering Co Ltd
Current assignee: Taizhou Jiuda Foundation Engineering Co., Ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2020-10-02
Anticipated expiration: 2038-09-30
Also published as: CN109235433A

Abstract

The invention discloses a quick piling construction machine for a soft soil highway base, which structurally comprises parallel bars, a main body and a drill bit, wherein the main body is of a cylindrical structure, the drill bit is arranged at the bottom of the main body, two symmetrical parallel bars are arranged at the top end of the main body opposite to the drill bit, the parallel bars and the main body are horizontally welded, the main body mainly comprises a drainage structure, a soil cavity and a shell, the shell and the parallel bars are horizontally fixed, the inner space of the shell is the soil cavity, the shell is internally and externally provided with two layers, and the drainage structure is arranged in the shell.

Description

Quick piling construction machine for soft soil highway base

Technical Field

The invention relates to the field of soft soil highway bases, in particular to a quick piling construction machine for a soft soil highway base.

Background

The soft soil foundation is mainly a soil layer structure formed by organic soil, peat with larger pores, soft and loose sand and the like, and the soil layer structure mainly comprises fine particles such as clay and silt, so the soft soil foundation is slow in consolidation, large in deformation, low in strength and high in water content, the soft soil foundation in a high-reservoir area can be frozen at low temperature to form frozen soil, vehicles can run in winter with severe weather, once the temperature rises again in summer, the frozen soil can be settled, a cooling structure needs to be installed when the frozen soil in the high-reservoir area is not dissolved, the road is cooled when the temperature rises again, collapse is avoided, and the following problems are found when piling is carried out at present:

1. although the hardness of the frozen soil of the soft soil foundation is not higher than that of concrete, the hardness of the frozen soil of the soft soil foundation is higher than that of common frozen soil, when construction machinery such as an excavator is adopted for shoveling soil, the tip of the bucket is generally a triangular plate, the bucket is easy to break, and the damaged area is large;

2. after the pile is driven, the frozen soil cannot be completely taken out, and secondary freezing can be generated and frozen on the construction machine.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: soft soil highway base's quick pile construction machinery, its structure includes that the parallel bars are held hands, main part, drill bit, the main part is the cylinder structure, the main part bottom is equipped with the drill bit, and the main part top relative with the drill bit is equipped with the parallel bars of two symmetries of each other and holds hands, the parallel bars are held hands and main part horizontal welding.

As the further optimization of this technical scheme, the main part mainly comprises drainage structure, soil cavity and casing, the casing is fixed with the parallel bars level of shaking hands, casing inner space is the soil cavity, the casing is equipped with inside and outside bilayer and inside and is equipped with drainage structure.

As the further optimization of this technical scheme, drainage structures mainly comprises for putting outlet pipe, trunk line, trapezoidal water inlet to one side, the trunk line is that loop configuration and its top are installed and is put the outlet pipe to one side, and the trunk line opposite side relative with putting the outlet pipe to one side is equipped with the trapezoidal water inlet more than two, the end width that trapezoidal water inlet and trunk line meet is greater than the other end, trapezoidal water inlet and soil chamber intercommunication, put the outlet pipe to one side and be located the parallel bars and hold the hand below, put the outlet pipe position ratio down to one side, the water outlet is less than and shakes hands, prevents that the frozen water of play water from drenching at the staff injured, causes the frost.

As the further optimization of this technical scheme, the drill bit mainly comprises clamp plate, three angular cone, outer steel body, inlayer iron sheet, annular arch, inner chamber, outer steel body and inlayer iron sheet bottom link up fixedly, the outer steel body and inlayer iron sheet other end and casing welding form the inner space together and be the inner chamber, outer steel body and inlayer iron sheet quiescent condition all are olive form, the fixed annular arch that is equipped with in outer steel body inner wall turn department, annular arch and three angular cone cooperate, three angular cone passes through L type and links up the union piece and fixes in the clamp plate bottom, clamp plate and trapezoidal water inlet cooperate.

As a further optimization of the technical scheme, the outer surface of the bottom of the outer layer steel body is welded with threads, and the end, away from the drill bit, of the threads is thinner.

As a further optimization of the technical scheme, more than two convex cones are arranged on the inner wall of the shell adjacent to the soil cavity.

Advantageous effects

Compared with the prior art, the quick piling construction machine for the soft soil highway base has the following advantages:

1. the olive-shaped drill bit is provided with the threads which are matched, the parallel bars are held by hands to screw the lower pressing head, and frozen soil is directly pressed and drilled by the lower pressing head relative to the triangular plate, so that the mode is safer and more labor-saving, the drill bit is not easy to damage, the drill bit cannot rebound and break like the triangular plate, if the surrounding frozen soil collapses in the soil drilling process, the olive shape is more stable and cannot deviate, the inclined plane design is easier to take out the device, and the damage area is smaller.

2. The drainage structure is matched with the drill bit together, in the drilling process, as the drill bit is gradually pressed down, frozen soil is broken, crushed ice in the frozen soil is gradually melted in the friction of the convex cone, water is generated at the position in contact with the drill bit, the water is gradually accumulated after entering from the trapezoidal water inlet of the drainage structure and then is discharged from the inclined water outlet pipe, and the frozen soil is prevented from being frozen in the main body again and cannot be taken out.

3. The triangular cone, the inner layer iron sheet and the annular bulge of the drill bit are matched together, the triangular cone descends, the inner layer iron sheet is extruded due to the existence of the annular bulge, the inner layer iron sheet deforms, frozen soil in a soil cavity is extruded, and piling is smoother.

4. The invention is provided with the triangular cone matched with the drill bit, the drill bit fetches earth, and then the periphery of frozen earth is softened through the triangular cone, so that the frozen earth is more convenient to take out.

5. The trapezoidal water inlet is designed in a trapezoidal structure, frozen soil is narrow and wide after entering, and the diameter of the pipeline is gradually increased, so that blockage is not easy to cause.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a fast piling construction machine of a soft soil highway base of the present invention.

FIG. 2 is a schematic view of the dynamic structure of the pressing plate of the present invention when pressed down.

Fig. 3 is a schematic sectional view showing the construction machine for fast piling of a soft soil road base according to the present invention.

In the figure: the water-saving device comprises a parallel bar handle 1, a main body 2, a drill bit 3, a drainage structure 2a, a soil cavity 2b, a shell 2c, an inclined water outlet pipe 2a-1, a main pipe 2a-2, a trapezoidal water inlet 2a-3, a pressure plate 31, a triangular cone 32, an outer layer steel body 33, an inner layer iron sheet 34, an annular bulge 35, an inner cavity 36, threads 4 and a convex cone 2 c-1.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-3, the invention provides a quick pile driving construction machine for a soft soil road base, which structurally comprises a parallel bar handle 1, a main body 2 and a drill bit 3, wherein the main body 2 is of a cylindrical structure, the drill bit 3 is arranged at the bottom of the main body 2, two mutually symmetrical parallel bar handles 1 are arranged at the top end of the main body 2 opposite to the drill bit 3, and the parallel bar handles 1 and the main body 2 are horizontally welded.

Main part 2 mainly comprises drainage structure 2a, soil cavity 2b and

casing

2c, 1 level is fixed is shaken hands with the parallel bars to casing 2c, casing 2c inner space is soil cavity 2b, casing 2c is equipped with inside and outside double-deck and inside drainage structure 2a that is equipped with.

The drainage structure 2a mainly comprises an inclined water outlet pipe 2a-1, a main pipeline 2a-2 and a trapezoidal water inlet 2a-3, wherein the main pipeline 2a-2 is of an annular structure, the inclined water outlet pipe 2a-1 is installed at the top end of the main pipeline 2a-2, more than two trapezoidal water inlets 2a-3 are arranged on the other side of the main pipeline 2a-2 opposite to the inclined water outlet pipe 2a-1, the width of the end, connected with the main pipeline 2a-2, of the trapezoidal water inlet 2a-3 is larger than that of the other end of the main pipeline, the trapezoidal water inlets 2a-3 are communicated with a soil cavity 2b, the inclined water outlet pipe 2a-1 is positioned below the double-bar handle 1, the position of the inclined water outlet pipe 2a-1 is lower, and a water outlet is lower than the handle, so that.

Drill bit 3 mainly comprises clamp plate 31, triangular pyramid 32, outer steel body 33, inlayer iron sheet 34, annular protrusion 35, inner chamber 36, outer steel body 33 and the bottom of inlayer iron sheet 34 link up fixedly, outer steel body 33 and the welding of inlayer iron sheet 34 other end and casing 2c form the inner space together and be inner chamber 36, outer steel body 33 and the static state of inlayer iron sheet 34 all are olive form, the fixed annular protrusion 35 that is equipped with in outer steel body 33 inner wall turn department, annular protrusion 35 and triangular pyramid 32 cooperate, triangular pyramid 32 passes through L type link up to be fixed in clamp plate 31 bottom, clamp plate 31 and trapezoidal water inlet 2a-3 cooperate.

The outer surface welding of outer steel body 33 bottom has screw thread 4, the end that has screw thread 4 to keep away from drill bit 3 more is thinner, makes things convenient for to bore soil.

More than two convex cones 2c-1 are arranged on the inner wall of the shell 2c adjacent to the soil cavity 2b, and loose blocks are loosened on frozen soil in the soil cavity 2b in the process of pressing down the drill bit, so that the soil taking effect is improved.

When the double-lever type pile driving device is used, a drill bit 3 is aligned to a position needing to be driven, the double-lever handle 1 is held by a hand to rotate the main body 2, the double-lever handle 1 is gradually screwed and pressed downwards, frozen soil is gradually circled and simultaneously broken, ice in the frozen soil is gradually melted in friction of the convex cone 2c-1, moisture is generated at a position in contact with the drill bit, the ice gradually accumulates after entering from the trapezoidal water inlet 2a-3 of the drainage structure 2a and then is discharged from the inclined water outlet pipe 2a-1, then the pressing plate 31 is pressed downwards, the trapezoidal water inlet 2a-3 is sealed, the triangular cone 32 descends, the inner iron sheet 34 is extruded due to the existence of the annular protrusion 35, the inner iron sheet 34 is deformed, frozen soil in the soil cavity 2b is extruded, and punching of a.

The problem solved by the invention is that although the hardness of the frozen soil of the soft soil foundation is not higher than that of concrete, the hardness is higher than that of the frozen soil of the soft soil foundation, when construction machinery such as an excavator is adopted for shoveling soil, the tip of the bucket is generally a triangular plate, the bucket is easy to break, and the damaged area is larger; after the pile driving is finished, the frozen soil cannot be completely taken out, and secondary freezing is also generated and frozen on construction machinery, through the mutual combination of the parts, the frozen soil of the soft foundation road is taken out by spirally pressing through the equal phase matching of the drill bit 3 and the drainage structure 2a, the pile driving mode is safer and more labor-saving, and in the process, the ice water which is rubbed and melted is discharged through the drainage structure 2a, so that the secondary freezing in the soil cavity 2b is avoided.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Soft soil highway base's quick pile construction machinery, its characterized in that: the structure of the novel multifunctional parallel bar holding hand comprises a parallel bar holding hand (1), a main body (2) and a drill bit (3), wherein the main body (2) is of a cylindrical structure, the drill bit (3) is arranged at the bottom of the main body (2), and two mutually symmetrical parallel bar holding hands (1) are arranged at the top end of the main body (2) opposite to the drill bit (3);

the main body (2) mainly comprises a drainage structure (2a), a soil cavity (2b) and a shell (2c), the shell (2c) and the parallel bars handle (1) are horizontally fixed, the soil cavity (2b) is arranged in the inner space of the shell (2c), the shell (2c) is provided with an inner layer and an outer layer, and the drainage structure (2a) is arranged in the shell;

the drainage structure (2a) mainly comprises an inclined water outlet pipe (2a-1), a main pipeline (2a-2) and a trapezoidal water inlet (2a-3), wherein the main pipeline (2a-2) is of an annular structure, the inclined water outlet pipe (2a-1) is installed at the top end of the main pipeline (2a-2), more than two trapezoidal water inlets (2a-3) are arranged at the other side of the main pipeline (2a-2) opposite to the inclined water outlet pipe (2a-1), the width of the end, connected with the main pipeline (2a-2), of the trapezoidal water inlet (2a-3) is larger than that of the other end of the main pipeline, and the trapezoidal water inlet (2a-3) is communicated with the soil cavity (2 b;

drill bit (3) mainly constitute for clamp plate (31), triangular pyramid (32), outer steel body (33), inlayer iron sheet (34), annular arch (35), inner chamber (36), outer steel body (33) and inlayer iron sheet (34) bottom link up fixedly, outer steel body (33) and inlayer iron sheet (34) other end and casing (2c) welding form the inner space together and be inner chamber (36), outer steel body (33) and inlayer iron sheet (34) quiescent condition all are olive form, outer steel body (33) inner wall turn department is fixed and is equipped with annular arch (35), annular arch (35) and triangular pyramid (32) cooperate, triangular pyramid (32) are fixed in clamp plate (31) bottom through L type link up, clamp plate (31) and trapezoidal water inlet (2a-3) cooperate.

2. The fast pile driving construction machine of a soft soil road base of claim 1, characterized in that: the outer surface of the bottom of the outer layer steel body (33) is welded with threads (4).

3. The fast pile driving construction machine of a soft soil road base of claim 1, characterized in that: more than two convex cones (2c-1) are arranged on the inner wall of the shell (2c) adjacent to the soil cavity (2 b).