CN216788292U

CN216788292U - Novel structure and reamer and pile driver with same

Info

Publication number: CN216788292U
Application number: CN202121791406.8U
Authority: CN
Inventors: 杨亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-06-21
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a novel structure, a hole expanding device with the structure and a pile driver, and particularly relates to the technical field of pile drivers.

Description

Novel structure and reamer and pile driver with same

Technical Field

The utility model relates to the technical field of pile drivers, in particular to a novel structure, a reamer with the structure and a pile driver.

Background

The ground building is built on the ground, the ground bears great pressure, in order to ensure that the ground has enough strength to resist the pressure, the ground is generally required to be piled, the piling is to smash a timber pile or a stone pile and the like into the ground, most of the weight of the building is transmitted to a deep position below the ground through the pile, so that the foundation of the building is firm, the timber pile is less used at present, a concrete pile is generally adopted, the concrete pile can be prefabricated or cast in place, and the piling machine is a building machine for driving the pile into the ground.

However, when the conventional pile driver performs grouting, the reamer positioned inside the drill bit is easily damaged after being damaged by the impact of cement, and the reamer positioned inside the drill bit is difficult to repair after being damaged.

Disclosure of Invention

One of the objects of the present invention is to solve the technical problem that a reamer located inside a drill bit is difficult to maintain.

In order to achieve one of the purposes, the utility model adopts the following scheme: a novel structure, comprising: a drill floor located above the pile driver, a drilling tool connected below the drill floor, the drilling tool comprising: the drilling rod, this drilling rod is connected in the below of this rig floor, and the upper and lower both ends of this drilling rod respectively are provided with a flange, and this drilling rod can set up the multiunit, and the spiral plate, this spiral plate are connected on this drilling rod surface, and this spiral plate includes: go up the helicoid, this top helicoid is located the upper strata of this spiral plate, this top helicoid sets up many circles, the lower helicoid, this lower helicoid is located the lower floor of this spiral plate, this lower helicoid sets up many circles, the side helicoid, this side helicoid is located the side of this spiral plate, the drill bit, this drill bit is connected in the below of this drilling tool, the surface of this drill bit is provided with this spiral plate equally, this spiral plate surface of this drill bit surface is provided with the installation hole, the enlarger, this enlarger is connected in the installation hole of this spiral plate of this drill bit surface, this enlarger includes: fixing device, this fixing device connects in the installation hole of this spiral plate of this drill bit surface, and this fixing device is cavity, and this fixing device's side is provided with two branch pipes, and this fixing device's branch pipe inner wall is provided with the screw thread, and reaming device, this reaming device connect in this fixing device, and this reaming device sets up to cavity, and this reaming device's side is provided with a branch pipe, and this reaming device's branch pipe inner wall is provided with the screw thread, and this reaming device includes: the reaming piece, the lower extreme of this reaming piece is connected in the spinal canal of this reaming device side, and the lower extreme surface of this reaming piece is provided with the screw thread, and the bottom and the top of this reaming piece are perforated, and the bottom hole of this reaming piece is greater than the top hole of this reaming piece, pipeline, this pipeline connection is on this drilling tool.

Further, in an embodiment of the present invention, the fixing device includes: the fixing piece is connected in the branch pipe on the side face of the fixing device, threads are arranged on the lower end surface of the fixing piece, a semicircle is arranged at the bottom of the fixing piece, and the bottom of the fixing piece abuts against the surface of the reaming device.

Further, in the embodiment of the present invention, the reaming members are provided in two sets, and the other set of reaming members is connected to the bottom of the reaming device.

Further, in an embodiment of the utility model, the drill floor is flanged to the drill, and the drill is flanged to the drill bit.

Further, in an embodiment of the utility model, the spiral plate is provided with a plurality of turns, the top of the spiral plate is welded to the top of the drill rod, and the bottom of the spiral plate is welded to the bottom of the drill rod.

Further, in the embodiment of the present invention, the reamer may be provided in two sets which are bilaterally symmetrical.

Further, in an embodiment of the present invention, the drill rod is provided to be hollow.

Further, in an embodiment of the utility model, the delivery conduit is connected to the top of the reaming means.

A novel structure and a use method of a reamer and a pile driver with the structure comprise the following steps:

before piling, the top of the reaming device is inserted into the fixing device, the upper fixing piece and the lower fixing piece are rotated to lock the reaming device, and the top of the reaming device is connected with the conveying pipeline.

When needs carry out the pile, through the drilling platform rotatory drilling rod that drives the drilling platform lower extreme, when the degree of depth of pile is increased to needs, increase the quantity of drilling rod, connect fixedly through the flange of drilling rod upper and lower extreme, after the pile driver accomplishes the pile degree of depth of prediction, set up in the pipeline of drilling rod outer end with rivers drainage to the enlarger in, the enlarger erodees the hole bottom through the shower nozzle of lateral shower nozzle and bottom, erodees the hole bottom through the double spray nozzle and enlarges.

Has the advantages that: through setting up at the outside pipeline of pile driver drilling rod, when needs maintain or change pipeline, be located the outside pipeline of drilling rod and can be more convenient find the damage position, when changing or maintaining, be located outside pipeline and also make things convenient for the maintenance more.

Drawings

Fig. 1 is a perspective view of a novel structure according to an embodiment of the present invention.

Fig. 2 is a front view of a novel structure according to an embodiment of the utility model.

FIG. 3 is a top view of a drill bit according to an embodiment of the present invention.

FIG. 4 is a front view of a drill bit according to an embodiment of the present invention.

Fig. 5 is a perspective view of an underreamer according to an embodiment of the present invention.

Fig. 6 is a perspective view of a reamer member according to embodiments of the present invention.

1. Drill floor 2, drilling tool 3 and conveying pipeline

4. Drill bit 5 and reamer

21. Drill rod 22, screw plate

51 fixing device 52, reaming device

511. Fixing piece 521 and reaming piece

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the utility model and are not limiting of the utility model, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

The first embodiment is as follows:

a novel structure, comprising:

and the drill floor is positioned above the pile driver.

Drilling tool 2, drilling tool 2 is connected in the below of rig floor, and the rig floor passes through flange joint with drilling tool 2, and drilling tool 2 passes through flange joint with drill bit 4, and drilling tool 2 includes: drilling rod 21, drilling rod 21 are connected in the below of rig floor, and the upper and lower both ends of drilling rod 21 respectively are provided with a flange, and drilling rod 21 can set up the multiunit, and drilling rod 21 sets up to cavity, and spiral plate 22, spiral plate 22 are connected on drilling rod 21 surface, and spiral plate 22 is provided with two circles or three circles, preferentially is two circles, and the top welding of spiral plate 22 is at the top of drilling rod 21, and the bottom welding of spiral plate 22 is in the bottom of drilling rod 21, and spiral plate 22 includes: go up the helicoid, go up the helicoid and be located the upper strata of spiral plate 22, go up the helicoid and set up two circles or three circles, preferentially be two circles, down the helicoid is located the lower floor of spiral plate 22, down the helicoid sets up two circles or three circles, preferentially be two circles, the side is revolved the face and is located the side of spiral plate 22, drill bit 4 connects the below at drilling tool 2, the surface of drill bit 4 is provided with spiral plate 22 equally, the spiral plate 22 surface of 4 surfaces of drill bit is provided with the installation hole.

The underreamer 5, underreamer 5 connects in the installation hole of the external surface spiral board 22 of drill bit 4, underreamer 5 can set up bilaterally symmetrical two sets, underreamer 5 includes: fixing device 51, fixing device 51 connect in the installation hole of drill bit 4 surface spiral plate 22, and fixing device 51 is cavity, and fixing device 51's side is provided with two branch pipes, and fixing device 51's branch pipe inner wall is provided with the screw thread, and fixing device 51 includes: and a fixing member 511, the fixing member 511 being coupled in a branch pipe at a side of the fixing device 51, a lower end surface of the fixing member 512 being provided with a screw thread, a bottom of the fixing member 511 being provided with a semicircular shape, and a bottom of the fixing member 511 abutting against a surface of the reaming means 52. When the underreamer 5 is damaged or blocked by silt and needs to be replaced and cleaned, the underreamer 5 is fixed on the surface of the drill bit 4, the drill bit 4 does not need to be opened, replacement and maintenance can be directly carried out, and the technical problem that the underreamer 5 inside the drill bit 4 is difficult to maintain is solved.

Reaming device 52, reaming device 52 connect in fixing device 51, and reaming device 52 sets up to cavity, and reaming device 52's side is provided with a branch pipe, and reaming device 52's branch pipe inner wall is provided with the screw thread, and reaming device 52 includes: reaming piece 512, the lower extreme of reaming piece 512 is connected in the pillar of reaming device 52 side, and the lower extreme surface of reaming piece 512 is provided with the screw thread, and the bottom and the top of reaming piece 512 are perforated, and the bottom hole of reaming piece 512 is greater than the top hole of reaming piece 512, and reaming piece 512 is provided with two sets ofly, and another group of reaming piece 512 is connected in the bottom of reaming device 52. The design of the through hole of the large-to-small hole expanding piece 521 ensures the hole expanding strength of the hole expander 5, when the hole expander 5 with double-head design is used for expanding holes, the nozzles at the lower part and the side position can quickly expand the hole bottom side surface, and can also wash the slurry on the drill bit 4 and the slurry at the hole bottom, so that the adhesion of soil blocks is avoided, and the technical problem that when the pile driver expands the holes, the drill bit 4 sends out soil, and the accumulated soil blocks are easily generated is solved.

And a conveying pipeline 3, wherein the conveying pipeline 3 is connected to the drilling tool 2, and the conveying pipeline 3 is connected to the top of the reaming device 52.

Example two:

an underreamer, comprising the novel structure as set forth in any one of the above embodiments.

Example three:

a pile driver is characterized in that the novel pile driver is composed of a novel pile driver reamer 5, a drill stem 21, a drilling tool 2 arranged at the upper end of the drill stem 21 and a drill bit 4 arranged at the lower end of the drill stem 21, and the novel pile driver is provided with the reamer in the second embodiment.

Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.

Claims

1. A novel structure, comprising:

a drill floor located above the pile driver;

a drilling tool connected below the drill floor, the drilling tool comprising:

the drill rod is connected below the drill floor, the upper end and the lower end of the drill rod are respectively provided with a flange, and the drill rods can be provided with a plurality of groups;

a spiral plate attached to the surface of the drill rod, the spiral plate comprising:

the upper spiral surface is positioned on the upper layer of the spiral plate and is provided with a plurality of circles;

the lower spiral surface is positioned on the lower layer of the spiral plate and is provided with a plurality of circles;

the side rotary surface is positioned on the side surface of the spiral plate;

the drill bit is connected below the drilling tool, the spiral plate is also arranged on the outer surface of the drill bit, and the surface of the spiral plate on the outer surface of the drill bit is provided with an installation hole;

a reamer coupled to an outer surface of the drill bit within the mounting bore of the spiral plate, the reamer comprising:

the fixing device is connected to the outer surface of the drill bit in the mounting hole of the spiral plate, the fixing device is hollow, two branch pipes are arranged on the side surface of the fixing device, and threads are arranged on the inner walls of the branch pipes of the fixing device;

reaming device, reaming device connects in the fixing device, reaming device sets up to cavity, reaming device's side is provided with a branch pipe, reaming device's branch pipe inner wall is provided with the screw thread, reaming device includes:

the lower end of the hole expanding piece is connected into the branch pipe on the side face of the hole expanding device, threads are arranged on the surface of the lower end of the hole expanding piece, the bottom and the top of the hole expanding piece are perforated, and a hole at the bottom of the hole expanding piece is larger than a hole at the top of the hole expanding piece;

a delivery conduit connected to the drilling tool.

2. A novel structure as claimed in claim 1 wherein said securing means comprises:

the fixing piece is connected in the branch pipe on the side face of the fixing device, threads are arranged on the lower end surface of the fixing piece, a semicircle is arranged at the bottom of the fixing piece, and the bottom of the fixing piece abuts against the surface of the reaming device.

3. A novel arrangement according to claim 1, wherein there are two sets of reaming members, the members being connected at the bottom of the reaming means.

4. The novel structure of claim 1 wherein said drill floor is flanged to said drill and said drill is flanged to said drill bit.

5. A novel structure as claimed in claim 1 wherein the spiral plate is provided with a plurality of turns, the top of the spiral plate being welded to the top of the drill pipe and the bottom of the spiral plate being welded to the bottom of the drill pipe.

6. The novel structure as claimed in claim 1, wherein said reamer can be provided in two sets which are bilaterally symmetrical.

7. The novel structure as claimed in claim 1, wherein the drill rod is provided as a hollow.

8. A novel arrangement according to claim 1, wherein the delivery conduit is connected at the top of the reaming means.

9. An underreamer having the novel structure as claimed in any one of claims 1 to 8.

10. A pile driver comprising said underreamer, said drill rod, said drill bit mounted at an upper end of said drill rod, and said drill bit mounted at a lower end of said drill rod, said pile driver including said underreamer of claim 9.