CN210659939U

CN210659939U - Novel drill bit of single-piece self-advancing anchor rod under super-thick silt geological condition

Info

Publication number: CN210659939U
Application number: CN201921387700.5U
Authority: CN
Inventors: 包希吉; 陈国光; 翟正杰; 刘亚东; 岳钊
Original assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-02
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a stock drill bit technical field specifically is a novel drill bit of monolithic formula self-feeding stock under super thick silt geological conditions, including the stock, stock bottom integrated into one piece sets up first cylinder, avris equidistance and runs through and sets up the round hole, first cylinder one end welding have the monolithic drill bit stock lateral wall integrated into one piece symmetry sets up the connecting rod, the welding of the connecting rod other end is on the sleeve inside wall, sleeve bottom integrated into one piece sets up second cylinder, avris symmetry and sets up the second notch, the stock runs through the second cylinder, through the utility model discloses not only save the alloy material of stock drill bit, also easy pore-forming in silt to can keep the slip casting passageway unblocked, the phenomenon that the slip casting passageway blockked can not appear, improve slip casting efficiency, and then improve the work efficiency of construction.

Description

Novel drill bit of single-piece self-advancing anchor rod under super-thick silt geological condition

Technical Field

The utility model relates to an anchor rod drill bit technical field specifically is a novel drill bit of single-piece formula self-advancing anchor rod under super thick silt geological conditions.

Background

With the continuous development of economy and society and the continuous acceleration of urban modernization process, urban land is increasingly tense, and for the cities in offshore areas, the offshore beach culture area is backfilled, which becomes one of the methods for solving the land shortage in the process of the offshore cities, the offshore beach backfill area has super-thick mucky soil, a mucky layer is in flow plasticity, large in thickness and easy to collapse, a self-propelled anchor rod sequentially penetrates through the super-thick flow-plastic silt powdery clay layer and the powdery clay layer to reach a medium sand and coarse sand anchoring layer, when the anchor rod penetrates through the super-thick flow-plastic silt powdery clay layer, the powdery clay layer and the medium coarse sand layer, the traditional 'prestressed anchor rope pile anchor support' is difficult to form holes in the mucky area, and the traditional self-propelled anchor rod pile anchor adopts a plurality of crossed arrow-shaped hard alloy drill bits, so that the waste of hard alloy materials exists, and silt enters a grouting channel, and then cause slip casting passageway to block up, slip casting difficulty, the difficult problem of overpressure slip casting, and then reduce construction work efficiency, for this, the utility model provides a novel drill bit of single-piece formula self-feeding stock is used for solving above-mentioned problem under the super thick silt geological conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel drill bit of single-piece formula self-feeding stock under super thick silt geological conditions to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel single-piece self-feeding anchor rod drill bit under the geological condition of ultra-thick sludge comprises an anchor rod, wherein a first cylinder is integrally formed at the bottom end of the anchor rod, a circular hole is formed in a penetrating manner at equal intervals on the lateral side of the anchor rod, a single-piece drill bit is welded at one end of the first cylinder, a conical lug is integrally formed at the other end of the first cylinder, connecting rods are symmetrically arranged on the lateral wall of the anchor rod in an integrally formed manner, the other end of each connecting rod is welded on the inner lateral wall of a sleeve, a second cylinder is integrally formed at the bottom end of the sleeve, second notches are symmetrically arranged on the lateral side of the first cylinder, first fixing blocks are symmetrically arranged on the lateral wall of the anchor rod in an integrally formed manner, springs are arranged on the first fixing blocks in an integrally formed manner, the other ends of the springs, the bolt is inserted in the second through hole, the bolt is in threaded connection with the nut, the second through hole is symmetrically arranged on the support frame, the support frame is integrally formed on the second fixing block, and the second fixing block is symmetrically arranged on two sides of the anchor rod.

Preferably, the diameter of the sleeve is equal to the diameter of the circle in which the single piece drill is rotated.

Preferably, the width of the baffle is equal to the width of the second notch, the width of the baffle is greater than the width of the first notch, and the second notch corresponds to the position where the first notch is arranged.

Preferably, the diameter of the second through hole, the major diameter of the screw thread and the diameter of the first through hole are equal, and the width of the baffle is equal to the distance between the two second through holes.

Preferably, the distance from the first fixing block to the single-piece drill is smaller than the distance from the conical bump to the single-piece drill.

Compared with the prior art, the beneficial effects of the utility model are that:

through the utility model discloses not only save the alloy material of stock drill bit, also easily pore-forming in silt to can keep the slip casting passageway unblocked, the obstructed phenomenon of slip casting passageway can not appear, improves slip casting efficiency, and then improves construction work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the top connection structure of the present invention;

FIG. 3 is a schematic view of the structural connection of the anchor rod drill of the present invention;

FIG. 4 is a schematic partial cross-sectional view of the drill bit connection structure of the present invention;

FIG. 5 is a schematic view of the inner connection structure of the cylinder of the present invention;

fig. 6 is a schematic view of the connection between the fixing block, the supporting frame, the spring and the baffle structure of the present invention.

In the figure: the anchor rod comprises an anchor rod 1, a first cylinder 2, a conical bump 3, a round hole 4, a single-piece drill bit 5, a connecting rod 6, a sleeve 7, a second cylinder 8, a first notch 9, a second notch 10, a first fixing block 11, a spring 12, a baffle 13, a first through hole 14, a screw 15, a second through hole 16, a nut 17, a support frame 18 and a second fixing block 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a single-piece self-advancing anchor rod novel drill bit under the geological condition of super-thick sludge is disclosed, the utility model comprises an anchor rod 1, a first cylinder 2 is integrally formed at the bottom end of the anchor rod 1, round holes 4 are arranged at equal intervals on the side, the round holes 4 are arranged to facilitate the outflow of the stock solution, a plurality of groups are arranged at equal intervals, the stock solution speed can be improved, the blocking of the stock solution can be avoided, the grouting efficiency can also be improved, a single-piece drill bit 5 is welded at one end of the first cylinder 2, a conical lug 3 is integrally formed at the other end, the conical lug 3 is arranged to enable the round lug 3 to well place the stock solution to be accumulated in the anchor rod 1 when the grouting work is carried out, the waste of the stock solution can not be caused, the alloy metal resource is saved by the single-piece drill bit 5, the waste of the alloy metal resource is avoided, and a connecting rod 6 is, and the other end of the connecting rod 6 is welded on the inner side wall of the sleeve 7, the diameter of the sleeve 7 is equal to the rotating circular diameter of the single-piece drill 5, so that the sleeve can better enter the drilled hole along with the rotation of the single-piece drill 5, and the drilled hole in the sludge cannot collapse due to the arrangement of the sleeve 7.

The bottom end of the sleeve 7 is integrally formed with a second cylinder 8, the sides of the sleeve are symmetrically provided with second notches 10, the anchor rod 1 penetrates through the second cylinder 8, the second cylinder 8 is also symmetrically provided with first notches 9, the outer side wall of the anchor rod 1 is integrally formed with first fixing blocks 11, the distance from the first fixing blocks 11 to the single-piece drill bit 5 is required to be smaller than the distance from the conical lugs 3 to the single-piece drill bit 5, so that pulp flows out of the anchor rod 1 and flows out through the second notches 10 to realize grouting work, the first fixing blocks 11 are integrally formed with springs 12, the other ends of the springs 12 are welded on baffle plates 13, the springs 12 are in a compression state, the baffle plates 13 are pressed at the bottom end of the second notches 10 by the springs 12, the width of the baffle plates 13 is equal to that of the second notches 10, the width of the baffle plates 13 is larger than that of the first notches 9, and the second notches 10 correspond to the first notches 9, one end of the baffle 13 is provided with a first through hole 14 in a penetrating manner, a screw 15 is inserted into the first through hole 14, the screw 15 is inserted into a second through hole 16, the diameter of the second through hole 16, the thread diameter of the screw 15 and the diameter of the first through hole 14 are equal, the width of the baffle 13 and the distance between the two second through holes 16 are equal, the screw 15 is in threaded connection with a nut 17, the second through hole 16 is symmetrically arranged on a support frame 18, the support frame 18 is integrally arranged on a second fixed block 19, the second fixed block 19 is integrally and symmetrically arranged on two sides of the anchor rod 1, when the anchor rod 1 and the single-piece drill bit 5 are drilled, the sleeve 7 is arranged to avoid collapse of the drilled hole, when the drilled hole is drilled, sludge can enter the first notch 9, when excessive accumulation is caused, the sludge can extrude the baffle 13 and further push the baffle 13 to move upwards, baffle 13 reaches the up end of second notch 10, because the blockking of baffle 13, silt just can flow out from second notch 10, when carrying out the slip casting, flows out from round hole 4, gets into in the sleeve 7, and the head flow can push down baffle 13 to under the effect of spring 12, baffle 13 gets back to initial position again, and then flows out from second notch 10, realizes slip casting work smoothly.

The working principle is as follows: through the utility model, the alloy material of the anchor rod drill bit is saved, the hole is easy to form in the sludge, the grouting channel can be kept smooth, the phenomenon of blocking of the grouting channel can not occur, the grouting efficiency is improved, the construction work efficiency is further improved, when the anchor rod 1 and the single-piece drill bit 5 are used for drilling, the sleeve 7 is arranged to avoid collapse of the drilled hole, the sludge can enter the first notch 9 during drilling, when excessive accumulation occurs, the sludge can extrude the baffle 13 and further push the baffle 13 to move upwards, the baffle 13 reaches the upper end face of the second notch 10, due to the blocking of the baffle 13, the sludge can flow out of the second notch 10, when grouting is performed, the stock flow flows out of the round hole 4 and enters the sleeve 7, the baffle 13 is pressed downwards by the stock flow, and under the action of the spring 12, the baffle 13 returns to the initial position again, and the stock flow flows out of the second notch 10, and then can carry out drilling slip casting work smoothly, guarantee slip casting construction work efficiency, consequently the utility model discloses fine practical value and spreading value have.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel drill bit of single-piece formula of advancing stock under super thick silt geological conditions, includes stock (1), its characterized in that: the anchor rod (1) bottom integrated into one piece sets up the first cylinder (2), the avris equidistance runs through and sets up the round hole (4), the welding of first cylinder (2) one end has monolithic drill bit (5), other end integrated into one piece sets up circular cone lug (3), the anchor rod (1) lateral wall integrated into one piece symmetry sets up connecting rod (6), the welding of the other end of connecting rod (6) is on the sleeve (7) inside wall, sleeve (7) bottom integrated into one piece sets up the second cylinder (8), the avris symmetry sets up the second notch (10), the anchor rod (1) runs through the second cylinder (8), the symmetry sets up first notch (9) on the second cylinder (8), the anchor rod (1) lateral wall integrated into one piece symmetry sets up first fixed block (11), first fixed block (11) integrated into one piece sets up spring (12), the welding of the other end of spring (12) is on baffle (, one end of the baffle (13) penetrates through a first through hole (14), a screw (15) is inserted into the first through hole (14), the screw (15) is inserted into a second through hole (16), the screw (15) is in threaded connection with a nut (17), the second through hole (16) is symmetrically arranged on a support frame (18), the support frame (18) is integrally arranged on a second fixing block (19), and the second fixing block (19) is symmetrically arranged on two sides of the anchor rod (1).

2. The novel drill bit of single-piece self-advancing anchor rod in the ultra-thick sludge geological condition is characterized in that: the diameter of the sleeve (7) is equal to the diameter of a circle rotated by the single-piece drill bit (5).

3. The novel drill bit of single-piece self-advancing anchor rod in the ultra-thick sludge geological condition is characterized in that: the width of the baffle (13) is equal to that of the second notch (10), the width of the baffle (13) is larger than that of the first notch (9), and the second notch (10) corresponds to the arrangement position of the first notch (9).

4. The novel drill bit of single-piece self-advancing anchor rod in the ultra-thick sludge geological condition is characterized in that: the diameter of the second through hole (16), the thread major diameter of the screw (15) and the diameter of the first through hole (14) are equal, and the width of the baffle (13) and the distance between the two second through holes (16) are equal.

5. The novel drill bit of single-piece self-advancing anchor rod in the ultra-thick sludge geological condition is characterized in that: the distance from the first fixing block (11) to the single-piece drill bit (5) is smaller than the distance from the conical bump (3) to the single-piece drill bit (5).